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(function (window) {
    'use strict';

    /*global define, module, exports, require */

    var c3 = {version: "0.4.11"};

    var c3_chart_fn,
        c3_chart_internal_fn,
        c3_chart_internal_axis_fn;

    function API(owner) {
        this.owner = owner;
    }

    function inherit(base, derived) {

        if (Object.create) {
            derived.prototype = Object.create(base.prototype);
        } else {
            var f = function f() {
            };
            f.prototype = base.prototype;
            derived.prototype = new f();
        }

        derived.prototype.constructor = derived;

        return derived;
    }

    function Chart(config) {
        var $$ = this.internal = new ChartInternal(this);
        $$.loadConfig(config);

        $$.beforeInit(config);
        $$.init();
        $$.afterInit(config);

        // bind "this" to nested API
        (function bindThis(fn, target, argThis) {
            Object.keys(fn).forEach(function (key) {
                target[key] = fn[key].bind(argThis);
                if (Object.keys(fn[key]).length > 0) {
                    bindThis(fn[key], target[key], argThis);
                }
            });
        })(c3_chart_fn, this, this);
    }

    function ChartInternal(api) {
        var $$ = this;
        $$.d3 = window.d3 ? window.d3 : typeof require !== 'undefined' ? require("d3") : undefined;
        $$.api = api;
        $$.config = $$.getDefaultConfig();
        $$.data = {};
        $$.cache = {};
        $$.axes = {};
    }

    c3.generate = function (config) {
        return new Chart(config);
    };

    c3.chart = {
        fn: Chart.prototype,
        internal: {
            fn: ChartInternal.prototype,
            axis: {
                fn: Axis.prototype
            }
        }
    };
    c3_chart_fn = c3.chart.fn;
    c3_chart_internal_fn = c3.chart.internal.fn;
    c3_chart_internal_axis_fn = c3.chart.internal.axis.fn;

    c3_chart_internal_fn.beforeInit = function () {
        // can do something
    };
    c3_chart_internal_fn.afterInit = function () {
        // can do something
    };
    c3_chart_internal_fn.init = function () {
        var $$ = this, config = $$.config;

        $$.initParams();

        if (config.data_url) {
            $$.convertUrlToData(config.data_url, config.data_mimeType, config.data_headers, config.data_keys, $$.initWithData);
        }
        else if (config.data_json) {
            $$.initWithData($$.convertJsonToData(config.data_json, config.data_keys));
        }
        else if (config.data_rows) {
            $$.initWithData($$.convertRowsToData(config.data_rows));
        }
        else if (config.data_columns) {
            $$.initWithData($$.convertColumnsToData(config.data_columns));
        }
        else {
            throw Error('url or json or rows or columns is required.');
        }
    };

    c3_chart_internal_fn.initParams = function () {
        var $$ = this, d3 = $$.d3, config = $$.config;

        // MEMO: clipId needs to be unique because it conflicts when multiple charts exist
        $$.clipId = "c3-" + (+new Date()) + '-clip',
            $$.clipIdForXAxis = $$.clipId + '-xaxis',
            $$.clipIdForYAxis = $$.clipId + '-yaxis',
            $$.clipIdForGrid = $$.clipId + '-grid',
            $$.clipIdForSubchart = $$.clipId + '-subchart',
            $$.clipPath = $$.getClipPath($$.clipId),
            $$.clipPathForXAxis = $$.getClipPath($$.clipIdForXAxis),
            $$.clipPathForYAxis = $$.getClipPath($$.clipIdForYAxis);
        $$.clipPathForGrid = $$.getClipPath($$.clipIdForGrid),
            $$.clipPathForSubchart = $$.getClipPath($$.clipIdForSubchart),

            $$.dragStart = null;
        $$.dragging = false;
        $$.flowing = false;
        $$.cancelClick = false;
        $$.mouseover = false;
        $$.transiting = false;

        $$.color = $$.generateColor();
        $$.levelColor = $$.generateLevelColor();

        $$.dataTimeFormat = config.data_xLocaltime ? d3.time.format : d3.time.format.utc;
        $$.axisTimeFormat = config.axis_x_localtime ? d3.time.format : d3.time.format.utc;
        $$.defaultAxisTimeFormat = $$.axisTimeFormat.multi([
            [".%L", function (d) {
                return d.getMilliseconds();
            }],
            [":%S", function (d) {
                return d.getSeconds();
            }],
            ["%I:%M", function (d) {
                return d.getMinutes();
            }],
            ["%I %p", function (d) {
                return d.getHours();
            }],
            ["%-m/%-d", function (d) {
                return d.getDay() && d.getDate() !== 1;
            }],
            ["%-m/%-d", function (d) {
                return d.getDate() !== 1;
            }],
            ["%-m/%-d", function (d) {
                return d.getMonth();
            }],
            ["%Y/%-m/%-d", function () {
                return true;
            }]
        ]);

        $$.hiddenTargetIds = [];
        $$.hiddenLegendIds = [];
        $$.focusedTargetIds = [];
        $$.defocusedTargetIds = [];

        $$.xOrient = config.axis_rotated ? "left" : "bottom";
        $$.yOrient = config.axis_rotated ? (config.axis_y_inner ? "top" : "bottom") : (config.axis_y_inner ? "right" : "left");
        $$.y2Orient = config.axis_rotated ? (config.axis_y2_inner ? "bottom" : "top") : (config.axis_y2_inner ? "left" : "right");
        $$.subXOrient = config.axis_rotated ? "left" : "bottom";

        $$.isLegendRight = config.legend_position === 'right';
        $$.isLegendInset = config.legend_position === 'inset';
        $$.isLegendTop = config.legend_inset_anchor === 'top-left' || config.legend_inset_anchor === 'top-right';
        $$.isLegendLeft = config.legend_inset_anchor === 'top-left' || config.legend_inset_anchor === 'bottom-left';
        $$.legendStep = 0;
        $$.legendItemWidth = 0;
        $$.legendItemHeight = 0;

        $$.currentMaxTickWidths = {
            x: 0,
            y: 0,
            y2: 0
        };

        $$.rotated_padding_left = 30;
        $$.rotated_padding_right = config.axis_rotated && !config.axis_x_show ? 0 : 30;
        $$.rotated_padding_top = 5;

        $$.withoutFadeIn = {};

        $$.intervalForObserveInserted = undefined;

        $$.axes.subx = d3.selectAll([]); // needs when excluding subchart.js
    };

    c3_chart_internal_fn.initChartElements = function () {
        if (this.initBar) {
            this.initBar();
        }
        if (this.initLine) {
            this.initLine();
        }
        if (this.initArc) {
            this.initArc();
        }
        if (this.initGauge) {
            this.initGauge();
        }
        if (this.initText) {
            this.initText();
        }
    };

    c3_chart_internal_fn.initWithData = function (data) {
        var $$ = this, d3 = $$.d3, config = $$.config;
        var defs, main, binding = true;

        $$.axis = new Axis($$);

        if ($$.initPie) {
            $$.initPie();
        }
        if ($$.initBrush) {
            $$.initBrush();
        }
        if ($$.initZoom) {
            $$.initZoom();
        }

        if (!config.bindto) {
            $$.selectChart = d3.selectAll([]);
        }
        else if (typeof config.bindto.node === 'function') {
            $$.selectChart = config.bindto;
        }
        else {
            $$.selectChart = d3.select(config.bindto);
        }
        if ($$.selectChart.empty()) {
            $$.selectChart = d3.select(document.createElement('div')).style('opacity', 0);
            $$.observeInserted($$.selectChart);
            binding = false;
        }
        $$.selectChart.html("").classed("c3", true);

        // Init data as targets
        $$.data.xs = {};
        $$.data.targets = $$.convertDataToTargets(data);

        if (config.data_filter) {
            $$.data.targets = $$.data.targets.filter(config.data_filter);
        }

        // Set targets to hide if needed
        if (config.data_hide) {
            $$.addHiddenTargetIds(config.data_hide === true ? $$.mapToIds($$.data.targets) : config.data_hide);
        }
        if (config.legend_hide) {
            $$.addHiddenLegendIds(config.legend_hide === true ? $$.mapToIds($$.data.targets) : config.legend_hide);
        }

        // when gauge, hide legend // TODO: fix
        if ($$.hasType('gauge')) {
            config.legend_show = false;
        }

        // Init sizes and scales
        $$.updateSizes();
        $$.updateScales();

        // Set domains for each scale
        $$.x.domain(d3.extent($$.getXDomain($$.data.targets)));
        $$.y.domain($$.getYDomain($$.data.targets, 'y'));
        $$.y2.domain($$.getYDomain($$.data.targets, 'y2'));
        $$.subX.domain($$.x.domain());
        $$.subY.domain($$.y.domain());
        $$.subY2.domain($$.y2.domain());

        // Save original x domain for zoom update
        $$.orgXDomain = $$.x.domain();

        // Set initialized scales to brush and zoom
        if ($$.brush) {
            $$.brush.scale($$.subX);
        }
        if (config.zoom_enabled) {
            $$.zoom.scale($$.x);
        }

        /*-- Basic Elements --*/

        // Define svgs
        $$.svg = $$.selectChart.append("svg")
            .style("overflow", "hidden")
            .on('mouseenter', function () {
                return config.onmouseover.call($$);
            })
            .on('mouseleave', function () {
                return config.onmouseout.call($$);
            });

        if ($$.config.svg_classname) {
            $$.svg.attr('class', $$.config.svg_classname);
        }

        // Define defs
        defs = $$.svg.append("defs");
        $$.clipChart = $$.appendClip(defs, $$.clipId);
        $$.clipXAxis = $$.appendClip(defs, $$.clipIdForXAxis);
        $$.clipYAxis = $$.appendClip(defs, $$.clipIdForYAxis);
        $$.clipGrid = $$.appendClip(defs, $$.clipIdForGrid);
        $$.clipSubchart = $$.appendClip(defs, $$.clipIdForSubchart);
        $$.updateSvgSize();

        // Define regions
        main = $$.main = $$.svg.append("g").attr("transform", $$.getTranslate('main'));

        if ($$.initSubchart) {
            $$.initSubchart();
        }
        if ($$.initTooltip) {
            $$.initTooltip();
        }
        if ($$.initLegend) {
            $$.initLegend();
        }
        if ($$.initTitle) {
            $$.initTitle();
        }

        /*-- Main Region --*/

        // text when empty
        main.append("text")
            .attr("class", CLASS.text + ' ' + CLASS.empty)
            .attr("text-anchor", "middle") // horizontal centering of text at x position in all browsers.
            .attr("dominant-baseline", "middle"); // vertical centering of text at y position in all browsers, except IE.

        // Regions
        $$.initRegion();

        // Grids
        $$.initGrid();

        // Define g for chart area
        main.append('g')
            .attr("clip-path", $$.clipPath)
            .attr('class', CLASS.chart);

        // Grid lines
        if (config.grid_lines_front) {
            $$.initGridLines();
        }

        // Cover whole with rects for events
        $$.initEventRect();

        // Define g for chart
        $$.initChartElements();

        // if zoom privileged, insert rect to forefront
        // TODO: is this needed?
        main.insert('rect', config.zoom_privileged ? null : 'g.' + CLASS.regions)
            .attr('class', CLASS.zoomRect)
            .attr('width', $$.width)
            .attr('height', $$.height)
            .style('opacity', 0)
            .on("dblclick.zoom", null);

        // Set default extent if defined
        if (config.axis_x_extent) {
            $$.brush.extent($$.getDefaultExtent());
        }

        // Add Axis
        $$.axis.init();

        // Set targets
        $$.updateTargets($$.data.targets);

        // Draw with targets
        if (binding) {
            $$.updateDimension();
            $$.config.oninit.call($$);
            $$.redraw({
                withTransition: false,
                withTransform: true,
                withUpdateXDomain: true,
                withUpdateOrgXDomain: true,
                withTransitionForAxis: false
            });
        }

        // Bind resize event
        $$.bindResize();

        // export element of the chart
        $$.api.element = $$.selectChart.node();
    };

    c3_chart_internal_fn.smoothLines = function (el, type) {
        var $$ = this;
        if (type === 'grid') {
            el.each(function () {
                var g = $$.d3.select(this),
                    x1 = g.attr('x1'),
                    x2 = g.attr('x2'),
                    y1 = g.attr('y1'),
                    y2 = g.attr('y2');
                g.attr({
                    'x1': Math.ceil(x1),
                    'x2': Math.ceil(x2),
                    'y1': Math.ceil(y1),
                    'y2': Math.ceil(y2)
                });
            });
        }
    };


    c3_chart_internal_fn.updateSizes = function () {
        var $$ = this, config = $$.config;
        var legendHeight = $$.legend ? $$.getLegendHeight() : 0,
            legendWidth = $$.legend ? $$.getLegendWidth() : 0,
            legendHeightForBottom = $$.isLegendRight || $$.isLegendInset ? 0 : legendHeight,
            hasArc = $$.hasArcType(),
            xAxisHeight = config.axis_rotated || hasArc ? 0 : $$.getHorizontalAxisHeight('x'),
            subchartHeight = config.subchart_show && !hasArc ? (config.subchart_size_height + xAxisHeight) : 0;

        $$.currentWidth = $$.getCurrentWidth();
        $$.currentHeight = $$.getCurrentHeight();

        // for main
        $$.margin = config.axis_rotated ? {
            top: $$.getHorizontalAxisHeight('y2') + $$.getCurrentPaddingTop(),
            right: hasArc ? 0 : $$.getCurrentPaddingRight(),
            bottom: $$.getHorizontalAxisHeight('y') + legendHeightForBottom + $$.getCurrentPaddingBottom(),
            left: subchartHeight + (hasArc ? 0 : $$.getCurrentPaddingLeft())
        } : {
            top: 4 + $$.getCurrentPaddingTop(), // for top tick text
            right: hasArc ? 0 : $$.getCurrentPaddingRight(),
            bottom: xAxisHeight + subchartHeight + legendHeightForBottom + $$.getCurrentPaddingBottom(),
            left: hasArc ? 0 : $$.getCurrentPaddingLeft()
        };

        // for subchart
        $$.margin2 = config.axis_rotated ? {
            top: $$.margin.top,
            right: NaN,
            bottom: 20 + legendHeightForBottom,
            left: $$.rotated_padding_left
        } : {
            top: $$.currentHeight - subchartHeight - legendHeightForBottom,
            right: NaN,
            bottom: xAxisHeight + legendHeightForBottom,
            left: $$.margin.left
        };

        // for legend
        $$.margin3 = {
            top: 0,
            right: NaN,
            bottom: 0,
            left: 0
        };
        if ($$.updateSizeForLegend) {
            $$.updateSizeForLegend(legendHeight, legendWidth);
        }

        $$.width = $$.currentWidth - $$.margin.left - $$.margin.right;
        $$.height = $$.currentHeight - $$.margin.top - $$.margin.bottom;
        if ($$.width < 0) {
            $$.width = 0;
        }
        if ($$.height < 0) {
            $$.height = 0;
        }

        $$.width2 = config.axis_rotated ? $$.margin.left - $$.rotated_padding_left - $$.rotated_padding_right : $$.width;
        $$.height2 = config.axis_rotated ? $$.height : $$.currentHeight - $$.margin2.top - $$.margin2.bottom;
        if ($$.width2 < 0) {
            $$.width2 = 0;
        }
        if ($$.height2 < 0) {
            $$.height2 = 0;
        }

        // for arc
        $$.arcWidth = $$.width - ($$.isLegendRight ? legendWidth + 10 : 0);
        $$.arcHeight = $$.height - ($$.isLegendRight ? 0 : 10);
        if ($$.hasType('gauge') && !config.gauge_fullCircle) {
            $$.arcHeight += $$.height - $$.getGaugeLabelHeight();
        }
        if ($$.updateRadius) {
            $$.updateRadius();
        }

        if ($$.isLegendRight && hasArc) {
            $$.margin3.left = $$.arcWidth / 2 + $$.radiusExpanded * 1.1;
        }
    };

    c3_chart_internal_fn.updateTargets = function (targets) {
        var $$ = this;

        /*-- Main --*/

        //-- Text --//
        $$.updateTargetsForText(targets);

        //-- Bar --//
        $$.updateTargetsForBar(targets);

        //-- Line --//
        $$.updateTargetsForLine(targets);

        //-- Arc --//
        if ($$.hasArcType() && $$.updateTargetsForArc) {
            $$.updateTargetsForArc(targets);
        }

        /*-- Sub --*/

        if ($$.updateTargetsForSubchart) {
            $$.updateTargetsForSubchart(targets);
        }

        // Fade-in each chart
        $$.showTargets();
    };
    c3_chart_internal_fn.showTargets = function () {
        var $$ = this;
        $$.svg.selectAll('.' + CLASS.target).filter(function (d) {
            return $$.isTargetToShow(d.id);
        })
            .transition().duration($$.config.transition_duration)
            .style("opacity", 1);
    };

    c3_chart_internal_fn.redraw = function (options, transitions) {
        var $$ = this, main = $$.main, d3 = $$.d3, config = $$.config;
        var areaIndices = $$.getShapeIndices($$.isAreaType), barIndices = $$.getShapeIndices($$.isBarType),
            lineIndices = $$.getShapeIndices($$.isLineType);
        var withY, withSubchart, withTransition, withTransitionForExit, withTransitionForAxis,
            withTransform, withUpdateXDomain, withUpdateOrgXDomain, withTrimXDomain, withLegend,
            withEventRect, withDimension, withUpdateXAxis;
        var hideAxis = $$.hasArcType();
        var drawArea, drawBar, drawLine, xForText, yForText;
        var duration, durationForExit, durationForAxis;
        var waitForDraw, flow;
        var targetsToShow = $$.filterTargetsToShow($$.data.targets), tickValues, i, intervalForCulling, xDomainForZoom;
        var xv = $$.xv.bind($$), cx, cy;

        options = options || {};
        withY = getOption(options, "withY", true);
        withSubchart = getOption(options, "withSubchart", true);
        withTransition = getOption(options, "withTransition", true);
        withTransform = getOption(options, "withTransform", false);
        withUpdateXDomain = getOption(options, "withUpdateXDomain", false);
        withUpdateOrgXDomain = getOption(options, "withUpdateOrgXDomain", false);
        withTrimXDomain = getOption(options, "withTrimXDomain", true);
        withUpdateXAxis = getOption(options, "withUpdateXAxis", withUpdateXDomain);
        withLegend = getOption(options, "withLegend", false);
        withEventRect = getOption(options, "withEventRect", true);
        withDimension = getOption(options, "withDimension", true);
        withTransitionForExit = getOption(options, "withTransitionForExit", withTransition);
        withTransitionForAxis = getOption(options, "withTransitionForAxis", withTransition);

        duration = withTransition ? config.transition_duration : 0;
        durationForExit = withTransitionForExit ? duration : 0;
        durationForAxis = withTransitionForAxis ? duration : 0;

        transitions = transitions || $$.axis.generateTransitions(durationForAxis);

        // update legend and transform each g
        if (withLegend && config.legend_show) {
            $$.updateLegend($$.mapToIds($$.data.targets), options, transitions);
        } else if (withDimension) {
            // need to update dimension (e.g. axis.y.tick.values) because y tick values should change
            // no need to update axis in it because they will be updated in redraw()
            $$.updateDimension(true);
        }

        // MEMO: needed for grids calculation
        if ($$.isCategorized() && targetsToShow.length === 0) {
            $$.x.domain([0, $$.axes.x.selectAll('.tick').size()]);
        }

        if (targetsToShow.length) {
            $$.updateXDomain(targetsToShow, withUpdateXDomain, withUpdateOrgXDomain, withTrimXDomain);
            if (!config.axis_x_tick_values) {
                tickValues = $$.axis.updateXAxisTickValues(targetsToShow);
            }
        } else {
            $$.xAxis.tickValues([]);
            $$.subXAxis.tickValues([]);
        }

        if (config.zoom_rescale && !options.flow) {
            xDomainForZoom = $$.x.orgDomain();
        }

        $$.y.domain($$.getYDomain(targetsToShow, 'y', xDomainForZoom));
        $$.y2.domain($$.getYDomain(targetsToShow, 'y2', xDomainForZoom));

        if (!config.axis_y_tick_values && config.axis_y_tick_count) {
            $$.yAxis.tickValues($$.axis.generateTickValues($$.y.domain(), config.axis_y_tick_count));
        }
        if (!config.axis_y2_tick_values && config.axis_y2_tick_count) {
            $$.y2Axis.tickValues($$.axis.generateTickValues($$.y2.domain(), config.axis_y2_tick_count));
        }

        // axes
        $$.axis.redraw(transitions, hideAxis);

        // Update axis label
        $$.axis.updateLabels(withTransition);

        // show/hide if manual culling needed
        if ((withUpdateXDomain || withUpdateXAxis) && targetsToShow.length) {
            if (config.axis_x_tick_culling && tickValues) {
                for (i = 1; i < tickValues.length; i++) {
                    if (tickValues.length / i < config.axis_x_tick_culling_max) {
                        intervalForCulling = i;
                        break;
                    }
                }
                $$.svg.selectAll('.' + CLASS.axisX + ' .tick text').each(function (e) {
                    var index = tickValues.indexOf(e);
                    if (index >= 0) {
                        d3.select(this).style('display', index % intervalForCulling ? 'none' : 'block');
                    }
                });
            } else {
                $$.svg.selectAll('.' + CLASS.axisX + ' .tick text').style('display', 'block');
            }
        }

        // setup drawer - MEMO: these must be called after axis updated
        drawArea = $$.generateDrawArea ? $$.generateDrawArea(areaIndices, false) : undefined;
        drawBar = $$.generateDrawBar ? $$.generateDrawBar(barIndices) : undefined;
        drawLine = $$.generateDrawLine ? $$.generateDrawLine(lineIndices, false) : undefined;
        xForText = $$.generateXYForText(areaIndices, barIndices, lineIndices, true);
        yForText = $$.generateXYForText(areaIndices, barIndices, lineIndices, false);

        // Update sub domain
        if (withY) {
            $$.subY.domain($$.getYDomain(targetsToShow, 'y'));
            $$.subY2.domain($$.getYDomain(targetsToShow, 'y2'));
        }

        // xgrid focus
        $$.updateXgridFocus();

        // Data empty label positioning and text.
        main.select("text." + CLASS.text + '.' + CLASS.empty)
            .attr("x", $$.width / 2)
            .attr("y", $$.height / 2)
            .text(config.data_empty_label_text)
            .transition()
            .style('opacity', targetsToShow.length ? 0 : 1);

        // grid
        $$.updateGrid(duration);

        // rect for regions
        $$.updateRegion(duration);

        // bars
        $$.updateBar(durationForExit);

        // lines, areas and cricles
        $$.updateLine(durationForExit);
        $$.updateArea(durationForExit);
        $$.updateCircle();

        // text
        if ($$.hasDataLabel()) {
            $$.updateText(durationForExit);
        }

        // title
        if ($$.redrawTitle) {
            $$.redrawTitle();
        }

        // arc
        if ($$.redrawArc) {
            $$.redrawArc(duration, durationForExit, withTransform);
        }

        // subchart
        if ($$.redrawSubchart) {
            $$.redrawSubchart(withSubchart, transitions, duration, durationForExit, areaIndices, barIndices, lineIndices);
        }

        // circles for select
        main.selectAll('.' + CLASS.selectedCircles)
            .filter($$.isBarType.bind($$))
            .selectAll('circle')
            .remove();

        // event rects will redrawn when flow called
        if (config.interaction_enabled && !options.flow && withEventRect) {
            $$.redrawEventRect();
            if ($$.updateZoom) {
                $$.updateZoom();
            }
        }

        // update circleY based on updated parameters
        $$.updateCircleY();

        // generate circle x/y functions depending on updated params
        cx = ($$.config.axis_rotated ? $$.circleY : $$.circleX).bind($$);
        cy = ($$.config.axis_rotated ? $$.circleX : $$.circleY).bind($$);

        if (options.flow) {
            flow = $$.generateFlow({
                targets: targetsToShow,
                flow: options.flow,
                duration: options.flow.duration,
                drawBar: drawBar,
                drawLine: drawLine,
                drawArea: drawArea,
                cx: cx,
                cy: cy,
                xv: xv,
                xForText: xForText,
                yForText: yForText
            });
        }

        if ((duration || flow) && $$.isTabVisible()) { // Only use transition if tab visible. See #938.
            // transition should be derived from one transition
            d3.transition().duration(duration).each(function () {
                var transitionsToWait = [];

                // redraw and gather transitions
                [
                    $$.redrawBar(drawBar, true),
                    $$.redrawLine(drawLine, true),
                    $$.redrawArea(drawArea, true),
                    $$.redrawCircle(cx, cy, true),
                    $$.redrawText(xForText, yForText, options.flow, true),
                    $$.redrawRegion(true),
                    $$.redrawGrid(true),
                ].forEach(function (transitions) {
                    transitions.forEach(function (transition) {
                        transitionsToWait.push(transition);
                    });
                });

                // Wait for end of transitions to call flow and onrendered callback
                waitForDraw = $$.generateWait();
                transitionsToWait.forEach(function (t) {
                    waitForDraw.add(t);
                });
            })
                .call(waitForDraw, function () {
                    if (flow) {
                        flow();
                    }
                    if (config.onrendered) {
                        config.onrendered.call($$);
                    }
                });
        }
        else {
            $$.redrawBar(drawBar);
            $$.redrawLine(drawLine);
            $$.redrawArea(drawArea);
            $$.redrawCircle(cx, cy);
            $$.redrawText(xForText, yForText, options.flow);
            $$.redrawRegion();
            $$.redrawGrid();
            if (config.onrendered) {
                config.onrendered.call($$);
            }
        }

        // update fadein condition
        $$.mapToIds($$.data.targets).forEach(function (id) {
            $$.withoutFadeIn[id] = true;
        });
    };

    c3_chart_internal_fn.updateAndRedraw = function (options) {
        var $$ = this, config = $$.config, transitions;
        options = options || {};
        // same with redraw
        options.withTransition = getOption(options, "withTransition", true);
        options.withTransform = getOption(options, "withTransform", false);
        options.withLegend = getOption(options, "withLegend", false);
        // NOT same with redraw
        options.withUpdateXDomain = true;
        options.withUpdateOrgXDomain = true;
        options.withTransitionForExit = false;
        options.withTransitionForTransform = getOption(options, "withTransitionForTransform", options.withTransition);
        // MEMO: this needs to be called before updateLegend and it means this ALWAYS needs to be called)
        $$.updateSizes();
        // MEMO: called in updateLegend in redraw if withLegend
        if (!(options.withLegend && config.legend_show)) {
            transitions = $$.axis.generateTransitions(options.withTransitionForAxis ? config.transition_duration : 0);
            // Update scales
            $$.updateScales();
            $$.updateSvgSize();
            // Update g positions
            $$.transformAll(options.withTransitionForTransform, transitions);
        }
        // Draw with new sizes & scales
        $$.redraw(options, transitions);
    };
    c3_chart_internal_fn.redrawWithoutRescale = function () {
        this.redraw({
            withY: false,
            withSubchart: false,
            withEventRect: false,
            withTransitionForAxis: false
        });
    };

    c3_chart_internal_fn.isTimeSeries = function () {
        return this.config.axis_x_type === 'timeseries';
    };
    c3_chart_internal_fn.isCategorized = function () {
        return this.config.axis_x_type.indexOf('categor') >= 0;
    };
    c3_chart_internal_fn.isCustomX = function () {
        var $$ = this, config = $$.config;
        return !$$.isTimeSeries() && (config.data_x || notEmpty(config.data_xs));
    };

    c3_chart_internal_fn.isTimeSeriesY = function () {
        return this.config.axis_y_type === 'timeseries';
    };

    c3_chart_internal_fn.getTranslate = function (target) {
        var $$ = this, config = $$.config, x, y;
        if (target === 'main') {
            x = asHalfPixel($$.margin.left);
            y = asHalfPixel($$.margin.top);
        } else if (target === 'context') {
            x = asHalfPixel($$.margin2.left);
            y = asHalfPixel($$.margin2.top);
        } else if (target === 'legend') {
            x = $$.margin3.left;
            y = $$.margin3.top;
        } else if (target === 'x') {
            x = 0;
            y = config.axis_rotated ? 0 : $$.height;
        } else if (target === 'y') {
            x = 0;
            y = config.axis_rotated ? $$.height : 0;
        } else if (target === 'y2') {
            x = config.axis_rotated ? 0 : $$.width;
            y = config.axis_rotated ? 1 : 0;
        } else if (target === 'subx') {
            x = 0;
            y = config.axis_rotated ? 0 : $$.height2;
        } else if (target === 'arc') {
            x = $$.arcWidth / 2;
            y = $$.arcHeight / 2;
        }
        return "translate(" + x + "," + y + ")";
    };
    c3_chart_internal_fn.initialOpacity = function (d) {
        return d.value !== null && this.withoutFadeIn[d.id] ? 1 : 0;
    };
    c3_chart_internal_fn.initialOpacityForCircle = function (d) {
        return d.value !== null && this.withoutFadeIn[d.id] ? this.opacityForCircle(d) : 0;
    };
    c3_chart_internal_fn.opacityForCircle = function (d) {
        var opacity = this.config.point_show ? 1 : 0;
        return isValue(d.value) ? (this.isScatterType(d) ? 0.5 : opacity) : 0;
    };
    c3_chart_internal_fn.opacityForText = function () {
        return this.hasDataLabel() ? 1 : 0;
    };
    c3_chart_internal_fn.xx = function (d) {
        return d ? this.x(d.x) : null;
    };
    c3_chart_internal_fn.xv = function (d) {
        var $$ = this, value = d.value;
        if ($$.isTimeSeries()) {
            value = $$.parseDate(d.value);
        }
        else if ($$.isCategorized() && typeof d.value === 'string') {
            value = $$.config.axis_x_categories.indexOf(d.value);
        }
        return Math.ceil($$.x(value));
    };
    c3_chart_internal_fn.yv = function (d) {
        var $$ = this,
            yScale = d.axis && d.axis === 'y2' ? $$.y2 : $$.y;
        return Math.ceil(yScale(d.value));
    };
    c3_chart_internal_fn.subxx = function (d) {
        return d ? this.subX(d.x) : null;
    };

    c3_chart_internal_fn.transformMain = function (withTransition, transitions) {
        var $$ = this,
            xAxis, yAxis, y2Axis;
        if (transitions && transitions.axisX) {
            xAxis = transitions.axisX;
        } else {
            xAxis = $$.main.select('.' + CLASS.axisX);
            if (withTransition) {
                xAxis = xAxis.transition();
            }
        }
        if (transitions && transitions.axisY) {
            yAxis = transitions.axisY;
        } else {
            yAxis = $$.main.select('.' + CLASS.axisY);
            if (withTransition) {
                yAxis = yAxis.transition();
            }
        }
        if (transitions && transitions.axisY2) {
            y2Axis = transitions.axisY2;
        } else {
            y2Axis = $$.main.select('.' + CLASS.axisY2);
            if (withTransition) {
                y2Axis = y2Axis.transition();
            }
        }
        (withTransition ? $$.main.transition() : $$.main).attr("transform", $$.getTranslate('main'));
        xAxis.attr("transform", $$.getTranslate('x'));
        yAxis.attr("transform", $$.getTranslate('y'));
        y2Axis.attr("transform", $$.getTranslate('y2'));
        $$.main.select('.' + CLASS.chartArcs).attr("transform", $$.getTranslate('arc'));
    };
    c3_chart_internal_fn.transformAll = function (withTransition, transitions) {
        var $$ = this;
        $$.transformMain(withTransition, transitions);
        if ($$.config.subchart_show) {
            $$.transformContext(withTransition, transitions);
        }
        if ($$.legend) {
            $$.transformLegend(withTransition);
        }
    };

    c3_chart_internal_fn.updateSvgSize = function () {
        var $$ = this,
            brush = $$.svg.select(".c3-brush .background");
        $$.svg.attr('width', $$.currentWidth).attr('height', $$.currentHeight);
        $$.svg.selectAll(['#' + $$.clipId, '#' + $$.clipIdForGrid]).select('rect')
            .attr('width', $$.width)
            .attr('height', $$.height);
        $$.svg.select('#' + $$.clipIdForXAxis).select('rect')
            .attr('x', $$.getXAxisClipX.bind($$))
            .attr('y', $$.getXAxisClipY.bind($$))
            .attr('width', $$.getXAxisClipWidth.bind($$))
            .attr('height', $$.getXAxisClipHeight.bind($$));
        $$.svg.select('#' + $$.clipIdForYAxis).select('rect')
            .attr('x', $$.getYAxisClipX.bind($$))
            .attr('y', $$.getYAxisClipY.bind($$))
            .attr('width', $$.getYAxisClipWidth.bind($$))
            .attr('height', $$.getYAxisClipHeight.bind($$));
        $$.svg.select('#' + $$.clipIdForSubchart).select('rect')
            .attr('width', $$.width)
            .attr('height', brush.size() ? brush.attr('height') : 0);
        $$.svg.select('.' + CLASS.zoomRect)
            .attr('width', $$.width)
            .attr('height', $$.height);
        // MEMO: parent div's height will be bigger than svg when 
        $$.selectChart.style('max-height', $$.currentHeight + "px");
    };


    c3_chart_internal_fn.updateDimension = function (withoutAxis) {
        var $$ = this;
        if (!withoutAxis) {
            if ($$.config.axis_rotated) {
                $$.axes.x.call($$.xAxis);
                $$.axes.subx.call($$.subXAxis);
            } else {
                $$.axes.y.call($$.yAxis);
                $$.axes.y2.call($$.y2Axis);
            }
        }
        $$.updateSizes();
        $$.updateScales();
        $$.updateSvgSize();
        $$.transformAll(false);
    };

    c3_chart_internal_fn.observeInserted = function (selection) {
        var $$ = this, observer;
        if (typeof MutationObserver === 'undefined') {
            window.console.error("MutationObserver not defined.");
            return;
        }
        observer = new MutationObserver(function (mutations) {
            mutations.forEach(function (mutation) {
                if (mutation.type === 'childList' && mutation.previousSibling) {
                    observer.disconnect();
                    // need to wait for completion of load because size calculation requires the actual sizes determined after that completion
                    $$.intervalForObserveInserted = window.setInterval(function () {
                        // parentNode will NOT be null when completed
                        if (selection.node().parentNode) {
                            window.clearInterval($$.intervalForObserveInserted);
                            $$.updateDimension();
                            if ($$.brush) {
                                $$.brush.update();
                            }
                            $$.config.oninit.call($$);
                            $$.redraw({
                                withTransform: true,
                                withUpdateXDomain: true,
                                withUpdateOrgXDomain: true,
                                withTransition: false,
                                withTransitionForTransform: false,
                                withLegend: true
                            });
                            selection.transition().style('opacity', 1);
                        }
                    }, 10);
                }
            });
        });
        observer.observe(selection.node(), {attributes: true, childList: true, characterData: true});
    };

    c3_chart_internal_fn.bindResize = function () {
        var $$ = this, config = $$.config;

        $$.resizeFunction = $$.generateResize();

        $$.resizeFunction.add(function () {
            config.onresize.call($$);
        });
        if (config.resize_auto) {
            $$.resizeFunction.add(function () {
                if ($$.resizeTimeout !== undefined) {
                    window.clearTimeout($$.resizeTimeout);
                }
                $$.resizeTimeout = window.setTimeout(function () {
                    delete $$.resizeTimeout;
                    $$.api.flush();
                }, 100);
            });
        }
        $$.resizeFunction.add(function () {
            config.onresized.call($$);
        });

        if (window.attachEvent) {
            window.attachEvent('onresize', $$.resizeFunction);
        } else if (window.addEventListener) {
            window.addEventListener('resize', $$.resizeFunction, false);
        } else {
            // fallback to this, if this is a very old browser
            var wrapper = window.onresize;
            if (!wrapper) {
                // create a wrapper that will call all charts
                wrapper = $$.generateResize();
            } else if (!wrapper.add || !wrapper.remove) {
                // there is already a handler registered, make sure we call it too
                wrapper = $$.generateResize();
                wrapper.add(window.onresize);
            }
            // add this graph to the wrapper, we will be removed if the user calls destroy
            wrapper.add($$.resizeFunction);
            window.onresize = wrapper;
        }
    };

    c3_chart_internal_fn.generateResize = function () {
        var resizeFunctions = [];

        function callResizeFunctions() {
            resizeFunctions.forEach(function (f) {
                f();
            });
        }

        callResizeFunctions.add = function (f) {
            resizeFunctions.push(f);
        };
        callResizeFunctions.remove = function (f) {
            for (var i = 0; i < resizeFunctions.length; i++) {
                if (resizeFunctions[i] === f) {
                    resizeFunctions.splice(i, 1);
                    break;
                }
            }
        };
        return callResizeFunctions;
    };

    c3_chart_internal_fn.endall = function (transition, callback) {
        var n = 0;
        transition
            .each(function () {
                ++n;
            })
            .each("end", function () {
                if (!--n) {
                    callback.apply(this, arguments);
                }
            });
    };
    c3_chart_internal_fn.generateWait = function () {
        var transitionsToWait = [],
            f = function (transition, callback) {
                var timer = setInterval(function () {
                    var done = 0;
                    transitionsToWait.forEach(function (t) {
                        if (t.empty()) {
                            done += 1;
                            return;
                        }
                        try {
                            t.transition();
                        } catch (e) {
                            done += 1;
                        }
                    });
                    if (done === transitionsToWait.length) {
                        clearInterval(timer);
                        if (callback) {
                            callback();
                        }
                    }
                }, 10);
            };
        f.add = function (transition) {
            transitionsToWait.push(transition);
        };
        return f;
    };

    c3_chart_internal_fn.parseDate = function (date) {
        var $$ = this, parsedDate;
        if (date instanceof Date) {
            parsedDate = date;
        } else if (typeof date === 'string') {
            parsedDate = $$.dataTimeFormat($$.config.data_xFormat).parse(date);
        } else if (typeof date === 'number' && !isNaN(date)) {
            parsedDate = new Date(+date);
        }
        if (!parsedDate || isNaN(+parsedDate)) {
            window.console.error("Failed to parse x '" + date + "' to Date object");
        }
        return parsedDate;
    };

    c3_chart_internal_fn.isTabVisible = function () {
        var hidden;
        if (typeof document.hidden !== "undefined") { // Opera 12.10 and Firefox 18 and later support
            hidden = "hidden";
        } else if (typeof document.mozHidden !== "undefined") {
            hidden = "mozHidden";
        } else if (typeof document.msHidden !== "undefined") {
            hidden = "msHidden";
        } else if (typeof document.webkitHidden !== "undefined") {
            hidden = "webkitHidden";
        }

        return document[hidden] ? false : true;
    };

    c3_chart_internal_fn.getDefaultConfig = function () {
        var config = {
            bindto: '#chart',
            svg_classname: undefined,
            size_width: undefined,
            size_height: undefined,
            padding_left: undefined,
            padding_right: undefined,
            padding_top: undefined,
            padding_bottom: undefined,
            resize_auto: true,
            zoom_enabled: false,
            zoom_extent: undefined,
            zoom_privileged: false,
            zoom_rescale: false,
            zoom_onzoom: function () {
            },
            zoom_onzoomstart: function () {
            },
            zoom_onzoomend: function () {
            },
            zoom_x_min: undefined,
            zoom_x_max: undefined,
            interaction_brighten: true,
            interaction_enabled: true,
            onmouseover: function () {
            },
            onmouseout: function () {
            },
            onresize: function () {
            },
            onresized: function () {
            },
            oninit: function () {
            },
            onrendered: function () {
            },
            transition_duration: 350,
            data_x: undefined,
            data_xs: {},
            data_xFormat: '%Y-%m-%d',
            data_xLocaltime: true,
            data_xSort: true,
            data_idConverter: function (id) {
                return id;
            },
            data_names: {},
            data_classes: {},
            data_groups: [],
            data_axes: {},
            data_type: undefined,
            data_types: {},
            data_labels: {},
            data_order: 'desc',
            data_regions: {},
            data_color: undefined,
            data_colors: {},
            data_hide: false,
            data_filter: undefined,
            data_selection_enabled: false,
            data_selection_grouped: false,
            data_selection_isselectable: function () {
                return true;
            },
            data_selection_multiple: true,
            data_selection_draggable: false,
            data_onclick: function () {
            },
            data_onmouseover: function () {
            },
            data_onmouseout: function () {
            },
            data_onselected: function () {
            },
            data_onunselected: function () {
            },
            data_url: undefined,
            data_headers: undefined,
            data_json: undefined,
            data_rows: undefined,
            data_columns: undefined,
            data_mimeType: undefined,
            data_keys: undefined,
            // configuration for no plot-able data supplied.
            data_empty_label_text: "",
            // subchart
            subchart_show: false,
            subchart_size_height: 60,
            subchart_axis_x_show: true,
            subchart_onbrush: function () {
            },
            // color
            color_pattern: [],
            color_threshold: {},
            // legend
            legend_show: true,
            legend_hide: false,
            legend_position: 'bottom',
            legend_inset_anchor: 'top-left',
            legend_inset_x: 10,
            legend_inset_y: 0,
            legend_inset_step: undefined,
            legend_item_onclick: undefined,
            legend_item_onmouseover: undefined,
            legend_item_onmouseout: undefined,
            legend_equally: false,
            legend_padding: 0,
            legend_item_tile_width: 10,
            legend_item_tile_height: 10,
            // axis
            axis_rotated: false,
            axis_x_show: true,
            axis_x_type: 'indexed',
            axis_x_localtime: true,
            axis_x_categories: [],
            axis_x_tick_centered: false,
            axis_x_tick_format: undefined,
            axis_x_tick_culling: {},
            axis_x_tick_culling_max: 10,
            axis_x_tick_count: undefined,
            axis_x_tick_fit: true,
            axis_x_tick_values: null,
            axis_x_tick_rotate: 0,
            axis_x_tick_outer: true,
            axis_x_tick_multiline: true,
            axis_x_tick_width: null,
            axis_x_max: undefined,
            axis_x_min: undefined,
            axis_x_padding: {},
            axis_x_height: undefined,
            axis_x_extent: undefined,
            axis_x_label: {},
            axis_y_show: true,
            axis_y_type: undefined,
            axis_y_max: undefined,
            axis_y_min: undefined,
            axis_y_inverted: false,
            axis_y_center: undefined,
            axis_y_inner: undefined,
            axis_y_label: {},
            axis_y_tick_format: undefined,
            axis_y_tick_outer: true,
            axis_y_tick_values: null,
            axis_y_tick_rotate: 0,
            axis_y_tick_count: undefined,
            axis_y_tick_time_value: undefined,
            axis_y_tick_time_interval: undefined,
            axis_y_padding: {},
            axis_y_default: undefined,
            axis_y2_show: false,
            axis_y2_max: undefined,
            axis_y2_min: undefined,
            axis_y2_inverted: false,
            axis_y2_center: undefined,
            axis_y2_inner: undefined,
            axis_y2_label: {},
            axis_y2_tick_format: undefined,
            axis_y2_tick_outer: true,
            axis_y2_tick_values: null,
            axis_y2_tick_count: undefined,
            axis_y2_padding: {},
            axis_y2_default: undefined,
            // grid
            grid_x_show: false,
            grid_x_type: 'tick',
            grid_x_lines: [],
            grid_y_show: false,
            // not used
            // grid_y_type: 'tick',
            grid_y_lines: [],
            grid_y_ticks: 10,
            grid_focus_show: true,
            grid_lines_front: true,
            // point - point of each data
            point_show: true,
            point_r: 2.5,
            point_sensitivity: 10,
            point_focus_expand_enabled: true,
            point_focus_expand_r: undefined,
            point_select_r: undefined,
            // line
            line_connectNull: false,
            line_step_type: 'step',
            // bar
            bar_width: undefined,
            bar_width_ratio: 0.6,
            bar_width_max: undefined,
            bar_zerobased: true,
            // area
            area_zerobased: true,
            area_above: false,
            // pie
            pie_label_show: true,
            pie_label_format: undefined,
            pie_label_threshold: 0.05,
            pie_label_ratio: undefined,
            pie_expand: {},
            pie_expand_duration: 50,
            // gauge
            gauge_fullCircle: false,
            gauge_label_show: true,
            gauge_label_format: undefined,
            gauge_min: 0,
            gauge_max: 100,
            gauge_startingAngle: -1 * Math.PI / 2,
            gauge_units: undefined,
            gauge_width: undefined,
            gauge_expand: {},
            gauge_expand_duration: 50,
            // donut
            donut_label_show: true,
            donut_label_format: undefined,
            donut_label_threshold: 0.05,
            donut_label_ratio: undefined,
            donut_width: undefined,
            donut_title: "",
            donut_expand: {},
            donut_expand_duration: 50,
            // spline
            spline_interpolation_type: 'cardinal',
            // region - region to change style
            regions: [],
            // tooltip - show when mouseover on each data
            tooltip_show: true,
            tooltip_grouped: true,
            tooltip_format_title: undefined,
            tooltip_format_name: undefined,
            tooltip_format_value: undefined,
            tooltip_position: undefined,
            tooltip_contents: function (d, defaultTitleFormat, defaultValueFormat, color) {
                return this.getTooltipContent ? this.getTooltipContent(d, defaultTitleFormat, defaultValueFormat, color) : '';
            },
            tooltip_init_show: false,
            tooltip_init_x: 0,
            tooltip_init_position: {top: '0px', left: '50px'},
            tooltip_onshow: function () {
            },
            tooltip_onhide: function () {
            },
            // title
            title_text: undefined,
            title_padding: {
                top: 0,
                right: 0,
                bottom: 0,
                left: 0
            },
            title_position: 'top-center',
        };

        Object.keys(this.additionalConfig).forEach(function (key) {
            config[key] = this.additionalConfig[key];
        }, this);

        return config;
    };
    c3_chart_internal_fn.additionalConfig = {};

    c3_chart_internal_fn.loadConfig = function (config) {
        var this_config = this.config, target, keys, read;

        function find() {
            var key = keys.shift();
            //        console.log("key =>", key, ", target =>", target);
            if (key && target && typeof target === 'object' && key in target) {
                target = target[key];
                return find();
            }
            else if (!key) {
                return target;
            }
            else {
                return undefined;
            }
        }

        Object.keys(this_config).forEach(function (key) {
            target = config;
            keys = key.split('_');
            read = find();
            //        console.log("CONFIG : ", key, read);
            if (isDefined(read)) {
                this_config[key] = read;
            }
        });
    };

    c3_chart_internal_fn.getScale = function (min, max, forTimeseries) {
        return (forTimeseries ? this.d3.time.scale() : this.d3.scale.linear()).range([min, max]);
    };
    c3_chart_internal_fn.getX = function (min, max, domain, offset) {
        var $$ = this,
            scale = $$.getScale(min, max, $$.isTimeSeries()),
            _scale = domain ? scale.domain(domain) : scale, key;
        // Define customized scale if categorized axis
        if ($$.isCategorized()) {
            offset = offset || function () {
                return 0;
            };
            scale = function (d, raw) {
                var v = _scale(d) + offset(d);
                return raw ? v : Math.ceil(v);
            };
        } else {
            scale = function (d, raw) {
                var v = _scale(d);
                return raw ? v : Math.ceil(v);
            };
        }
        // define functions
        for (key in _scale) {
            scale[key] = _scale[key];
        }
        scale.orgDomain = function () {
            return _scale.domain();
        };
        // define custom domain() for categorized axis
        if ($$.isCategorized()) {
            scale.domain = function (domain) {
                if (!arguments.length) {
                    domain = this.orgDomain();
                    return [domain[0], domain[1] + 1];
                }
                _scale.domain(domain);
                return scale;
            };
        }
        return scale;
    };
    c3_chart_internal_fn.getY = function (min, max, domain) {
        var scale = this.getScale(min, max, this.isTimeSeriesY());
        if (domain) {
            scale.domain(domain);
        }
        return scale;
    };
    c3_chart_internal_fn.getYScale = function (id) {
        return this.axis.getId(id) === 'y2' ? this.y2 : this.y;
    };
    c3_chart_internal_fn.getSubYScale = function (id) {
        return this.axis.getId(id) === 'y2' ? this.subY2 : this.subY;
    };
    c3_chart_internal_fn.updateScales = function () {
        var $$ = this, config = $$.config,
            forInit = !$$.x;
        // update edges
        $$.xMin = config.axis_rotated ? 1 : 0;
        $$.xMax = config.axis_rotated ? $$.height : $$.width;
        $$.yMin = config.axis_rotated ? 0 : $$.height;
        $$.yMax = config.axis_rotated ? $$.width : 1;
        $$.subXMin = $$.xMin;
        $$.subXMax = $$.xMax;
        $$.subYMin = config.axis_rotated ? 0 : $$.height2;
        $$.subYMax = config.axis_rotated ? $$.width2 : 1;
        // update scales
        $$.x = $$.getX($$.xMin, $$.xMax, forInit ? undefined : $$.x.orgDomain(), function () {
            return $$.xAxis.tickOffset();
        });
        $$.y = $$.getY($$.yMin, $$.yMax, forInit ? config.axis_y_default : $$.y.domain());
        $$.y2 = $$.getY($$.yMin, $$.yMax, forInit ? config.axis_y2_default : $$.y2.domain());
        $$.subX = $$.getX($$.xMin, $$.xMax, $$.orgXDomain, function (d) {
            return d % 1 ? 0 : $$.subXAxis.tickOffset();
        });
        $$.subY = $$.getY($$.subYMin, $$.subYMax, forInit ? config.axis_y_default : $$.subY.domain());
        $$.subY2 = $$.getY($$.subYMin, $$.subYMax, forInit ? config.axis_y2_default : $$.subY2.domain());
        // update axes
        $$.xAxisTickFormat = $$.axis.getXAxisTickFormat();
        $$.xAxisTickValues = $$.axis.getXAxisTickValues();
        $$.yAxisTickValues = $$.axis.getYAxisTickValues();
        $$.y2AxisTickValues = $$.axis.getY2AxisTickValues();

        $$.xAxis = $$.axis.getXAxis($$.x, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues, config.axis_x_tick_outer);
        $$.subXAxis = $$.axis.getXAxis($$.subX, $$.subXOrient, $$.xAxisTickFormat, $$.xAxisTickValues, config.axis_x_tick_outer);
        $$.yAxis = $$.axis.getYAxis($$.y, $$.yOrient, config.axis_y_tick_format, $$.yAxisTickValues, config.axis_y_tick_outer);
        $$.y2Axis = $$.axis.getYAxis($$.y2, $$.y2Orient, config.axis_y2_tick_format, $$.y2AxisTickValues, config.axis_y2_tick_outer);

        // Set initialized scales to brush and zoom
        if (!forInit) {
            if ($$.brush) {
                $$.brush.scale($$.subX);
            }
            if (config.zoom_enabled) {
                $$.zoom.scale($$.x);
            }
        }
        // update for arc
        if ($$.updateArc) {
            $$.updateArc();
        }
    };

    c3_chart_internal_fn.getYDomainMin = function (targets) {
        var $$ = this, config = $$.config,
            ids = $$.mapToIds(targets), ys = $$.getValuesAsIdKeyed(targets),
            j, k, baseId, idsInGroup, id, hasNegativeValue;
        if (config.data_groups.length > 0) {
            hasNegativeValue = $$.hasNegativeValueInTargets(targets);
            for (j = 0; j < config.data_groups.length; j++) {
                // Determine baseId
                idsInGroup = config.data_groups[j].filter(function (id) {
                    return ids.indexOf(id) >= 0;
                });
                if (idsInGroup.length === 0) {
                    continue;
                }
                baseId = idsInGroup[0];
                // Consider negative values
                if (hasNegativeValue && ys[baseId]) {
                    ys[baseId].forEach(function (v, i) {
                        ys[baseId][i] = v < 0 ? v : 0;
                    });
                }
                // Compute min
                for (k = 1; k < idsInGroup.length; k++) {
                    id = idsInGroup[k];
                    if (!ys[id]) {
                        continue;
                    }
                    ys[id].forEach(function (v, i) {
                        if ($$.axis.getId(id) === $$.axis.getId(baseId) && ys[baseId] && !(hasNegativeValue && +v > 0)) {
                            ys[baseId][i] += +v;
                        }
                    });
                }
            }
        }
        return $$.d3.min(Object.keys(ys).map(function (key) {
            return $$.d3.min(ys[key]);
        }));
    };
    c3_chart_internal_fn.getYDomainMax = function (targets) {
        var $$ = this, config = $$.config,
            ids = $$.mapToIds(targets), ys = $$.getValuesAsIdKeyed(targets),
            j, k, baseId, idsInGroup, id, hasPositiveValue;
        if (config.data_groups.length > 0) {
            hasPositiveValue = $$.hasPositiveValueInTargets(targets);
            for (j = 0; j < config.data_groups.length; j++) {
                // Determine baseId
                idsInGroup = config.data_groups[j].filter(function (id) {
                    return ids.indexOf(id) >= 0;
                });
                if (idsInGroup.length === 0) {
                    continue;
                }
                baseId = idsInGroup[0];
                // Consider positive values
                if (hasPositiveValue && ys[baseId]) {
                    ys[baseId].forEach(function (v, i) {
                        ys[baseId][i] = v > 0 ? v : 0;
                    });
                }
                // Compute max
                for (k = 1; k < idsInGroup.length; k++) {
                    id = idsInGroup[k];
                    if (!ys[id]) {
                        continue;
                    }
                    ys[id].forEach(function (v, i) {
                        if ($$.axis.getId(id) === $$.axis.getId(baseId) && ys[baseId] && !(hasPositiveValue && +v < 0)) {
                            ys[baseId][i] += +v;
                        }
                    });
                }
            }
        }
        return $$.d3.max(Object.keys(ys).map(function (key) {
            return $$.d3.max(ys[key]);
        }));
    };
    c3_chart_internal_fn.getYDomain = function (targets, axisId, xDomain) {
        var $$ = this, config = $$.config,
            targetsByAxisId = targets.filter(function (t) {
                return $$.axis.getId(t.id) === axisId;
            }),
            yTargets = xDomain ? $$.filterByXDomain(targetsByAxisId, xDomain) : targetsByAxisId,
            yMin = axisId === 'y2' ? config.axis_y2_min : config.axis_y_min,
            yMax = axisId === 'y2' ? config.axis_y2_max : config.axis_y_max,
            yDomainMin = $$.getYDomainMin(yTargets),
            yDomainMax = $$.getYDomainMax(yTargets),
            domain, domainLength, padding, padding_top, padding_bottom,
            center = axisId === 'y2' ? config.axis_y2_center : config.axis_y_center,
            yDomainAbs, lengths, diff, ratio, isAllPositive, isAllNegative,
            isZeroBased = ($$.hasType('bar', yTargets) && config.bar_zerobased) || ($$.hasType('area', yTargets) && config.area_zerobased),
            isInverted = axisId === 'y2' ? config.axis_y2_inverted : config.axis_y_inverted,
            showHorizontalDataLabel = $$.hasDataLabel() && config.axis_rotated,
            showVerticalDataLabel = $$.hasDataLabel() && !config.axis_rotated;

        // MEMO: avoid inverting domain unexpectedly
        yDomainMin = isValue(yMin) ? yMin : isValue(yMax) ? (yDomainMin < yMax ? yDomainMin : yMax - 10) : yDomainMin;
        yDomainMax = isValue(yMax) ? yMax : isValue(yMin) ? (yMin < yDomainMax ? yDomainMax : yMin + 10) : yDomainMax;

        if (yTargets.length === 0) { // use current domain if target of axisId is none
            return axisId === 'y2' ? $$.y2.domain() : $$.y.domain();
        }
        if (isNaN(yDomainMin)) { // set minimum to zero when not number
            yDomainMin = 0;
        }
        if (isNaN(yDomainMax)) { // set maximum to have same value as yDomainMin
            yDomainMax = yDomainMin;
        }
        if (yDomainMin === yDomainMax) {
            yDomainMin < 0 ? yDomainMax = 0 : yDomainMin = 0;
        }
        isAllPositive = yDomainMin >= 0 && yDomainMax >= 0;
        isAllNegative = yDomainMin <= 0 && yDomainMax <= 0;

        // Cancel zerobased if axis_*_min / axis_*_max specified
        if ((isValue(yMin) && isAllPositive) || (isValue(yMax) && isAllNegative)) {
            isZeroBased = false;
        }

        // Bar/Area chart should be 0-based if all positive|negative
        if (isZeroBased) {
            if (isAllPositive) {
                yDomainMin = 0;
            }
            if (isAllNegative) {
                yDomainMax = 0;
            }
        }

        domainLength = Math.abs(yDomainMax - yDomainMin);
        padding = padding_top = padding_bottom = domainLength * 0.1;

        if (typeof center !== 'undefined') {
            yDomainAbs = Math.max(Math.abs(yDomainMin), Math.abs(yDomainMax));
            yDomainMax = center + yDomainAbs;
            yDomainMin = center - yDomainAbs;
        }
        // add padding for data label
        if (showHorizontalDataLabel) {
            lengths = $$.getDataLabelLength(yDomainMin, yDomainMax, 'width');
            diff = diffDomain($$.y.range());
            ratio = [lengths[0] / diff, lengths[1] / diff];
            padding_top += domainLength * (ratio[1] / (1 - ratio[0] - ratio[1]));
            padding_bottom += domainLength * (ratio[0] / (1 - ratio[0] - ratio[1]));
        } else if (showVerticalDataLabel) {
            lengths = $$.getDataLabelLength(yDomainMin, yDomainMax, 'height');
            padding_top += $$.axis.convertPixelsToAxisPadding(lengths[1], domainLength);
            padding_bottom += $$.axis.convertPixelsToAxisPadding(lengths[0], domainLength);
        }
        if (axisId === 'y' && notEmpty(config.axis_y_padding)) {
            padding_top = $$.axis.getPadding(config.axis_y_padding, 'top', padding_top, domainLength);
            padding_bottom = $$.axis.getPadding(config.axis_y_padding, 'bottom', padding_bottom, domainLength);
        }
        if (axisId === 'y2' && notEmpty(config.axis_y2_padding)) {
            padding_top = $$.axis.getPadding(config.axis_y2_padding, 'top', padding_top, domainLength);
            padding_bottom = $$.axis.getPadding(config.axis_y2_padding, 'bottom', padding_bottom, domainLength);
        }
        // Bar/Area chart should be 0-based if all positive|negative
        if (isZeroBased) {
            if (isAllPositive) {
                padding_bottom = yDomainMin;
            }
            if (isAllNegative) {
                padding_top = -yDomainMax;
            }
        }
        domain = [yDomainMin - padding_bottom, yDomainMax + padding_top];
        return isInverted ? domain.reverse() : domain;
    };
    c3_chart_internal_fn.getXDomainMin = function (targets) {
        var $$ = this, config = $$.config;
        return isDefined(config.axis_x_min) ?
            ($$.isTimeSeries() ? this.parseDate(config.axis_x_min) : config.axis_x_min) :
            $$.d3.min(targets, function (t) {
                return $$.d3.min(t.values, function (v) {
                    return v.x;
                });
            });
    };
    c3_chart_internal_fn.getXDomainMax = function (targets) {
        var $$ = this, config = $$.config;
        return isDefined(config.axis_x_max) ?
            ($$.isTimeSeries() ? this.parseDate(config.axis_x_max) : config.axis_x_max) :
            $$.d3.max(targets, function (t) {
                return $$.d3.max(t.values, function (v) {
                    return v.x;
                });
            });
    };
    c3_chart_internal_fn.getXDomainPadding = function (domain) {
        var $$ = this, config = $$.config,
            diff = domain[1] - domain[0],
            maxDataCount, padding, paddingLeft, paddingRight;
        if ($$.isCategorized()) {
            padding = 0;
        } else if ($$.hasType('bar')) {
            maxDataCount = $$.getMaxDataCount();
            padding = maxDataCount > 1 ? (diff / (maxDataCount - 1)) / 2 : 0.5;
        } else {
            padding = diff * 0.01;
        }
        if (typeof config.axis_x_padding === 'object' && notEmpty(config.axis_x_padding)) {
            paddingLeft = isValue(config.axis_x_padding.left) ? config.axis_x_padding.left : padding;
            paddingRight = isValue(config.axis_x_padding.right) ? config.axis_x_padding.right : padding;
        } else if (typeof config.axis_x_padding === 'number') {
            paddingLeft = paddingRight = config.axis_x_padding;
        } else {
            paddingLeft = paddingRight = padding;
        }
        return {left: paddingLeft, right: paddingRight};
    };
    c3_chart_internal_fn.getXDomain = function (targets) {
        var $$ = this,
            xDomain = [$$.getXDomainMin(targets), $$.getXDomainMax(targets)],
            firstX = xDomain[0], lastX = xDomain[1],
            padding = $$.getXDomainPadding(xDomain),
            min = 0, max = 0;
        // show center of x domain if min and max are the same
        if ((firstX - lastX) === 0 && !$$.isCategorized()) {
            if ($$.isTimeSeries()) {
                firstX = new Date(firstX.getTime() * 0.5);
                lastX = new Date(lastX.getTime() * 1.5);
            } else {
                firstX = firstX === 0 ? 1 : (firstX * 0.5);
                lastX = lastX === 0 ? -1 : (lastX * 1.5);
            }
        }
        if (firstX || firstX === 0) {
            min = $$.isTimeSeries() ? new Date(firstX.getTime() - padding.left) : firstX - padding.left;
        }
        if (lastX || lastX === 0) {
            max = $$.isTimeSeries() ? new Date(lastX.getTime() + padding.right) : lastX + padding.right;
        }
        return [min, max];
    };
    c3_chart_internal_fn.updateXDomain = function (targets, withUpdateXDomain, withUpdateOrgXDomain, withTrim, domain) {
        var $$ = this, config = $$.config;

        if (withUpdateOrgXDomain) {
            $$.x.domain(domain ? domain : $$.d3.extent($$.getXDomain(targets)));
            $$.orgXDomain = $$.x.domain();
            if (config.zoom_enabled) {
                $$.zoom.scale($$.x).updateScaleExtent();
            }
            $$.subX.domain($$.x.domain());
            if ($$.brush) {
                $$.brush.scale($$.subX);
            }
        }
        if (withUpdateXDomain) {
            $$.x.domain(domain ? domain : (!$$.brush || $$.brush.empty()) ? $$.orgXDomain : $$.brush.extent());
            if (config.zoom_enabled) {
                $$.zoom.scale($$.x).updateScaleExtent();
            }
        }

        // Trim domain when too big by zoom mousemove event
        if (withTrim) {
            $$.x.domain($$.trimXDomain($$.x.orgDomain()));
        }

        return $$.x.domain();
    };
    c3_chart_internal_fn.trimXDomain = function (domain) {
        var zoomDomain = this.getZoomDomain(),
            min = zoomDomain[0], max = zoomDomain[1];
        if (domain[0] <= min) {
            domain[1] = +domain[1] + (min - domain[0]);
            domain[0] = min;
        }
        if (max <= domain[1]) {
            domain[0] = +domain[0] - (domain[1] - max);
            domain[1] = max;
        }
        return domain;
    };

    c3_chart_internal_fn.isX = function (key) {
        var $$ = this, config = $$.config;
        return (config.data_x && key === config.data_x) || (notEmpty(config.data_xs) && hasValue(config.data_xs, key));
    };
    c3_chart_internal_fn.isNotX = function (key) {
        return !this.isX(key);
    };
    c3_chart_internal_fn.getXKey = function (id) {
        var $$ = this, config = $$.config;
        return config.data_x ? config.data_x : notEmpty(config.data_xs) ? config.data_xs[id] : null;
    };
    c3_chart_internal_fn.getXValuesOfXKey = function (key, targets) {
        var $$ = this,
            xValues, ids = targets && notEmpty(targets) ? $$.mapToIds(targets) : [];
        ids.forEach(function (id) {
            if ($$.getXKey(id) === key) {
                xValues = $$.data.xs[id];
            }
        });
        return xValues;
    };
    c3_chart_internal_fn.getIndexByX = function (x) {
        var $$ = this,
            data = $$.filterByX($$.data.targets, x);
        return data.length ? data[0].index : null;
    };
    c3_chart_internal_fn.getXValue = function (id, i) {
        var $$ = this;
        return id in $$.data.xs && $$.data.xs[id] && isValue($$.data.xs[id][i]) ? $$.data.xs[id][i] : i;
    };
    c3_chart_internal_fn.getOtherTargetXs = function () {
        var $$ = this,
            idsForX = Object.keys($$.data.xs);
        return idsForX.length ? $$.data.xs[idsForX[0]] : null;
    };
    c3_chart_internal_fn.getOtherTargetX = function (index) {
        var xs = this.getOtherTargetXs();
        return xs && index < xs.length ? xs[index] : null;
    };
    c3_chart_internal_fn.addXs = function (xs) {
        var $$ = this;
        Object.keys(xs).forEach(function (id) {
            $$.config.data_xs[id] = xs[id];
        });
    };
    c3_chart_internal_fn.hasMultipleX = function (xs) {
        return this.d3.set(Object.keys(xs).map(function (id) {
            return xs[id];
        })).size() > 1;
    };
    c3_chart_internal_fn.isMultipleX = function () {
        return notEmpty(this.config.data_xs) || !this.config.data_xSort || this.hasType('scatter');
    };
    c3_chart_internal_fn.addName = function (data) {
        var $$ = this, name;
        if (data) {
            name = $$.config.data_names[data.id];
            data.name = name !== undefined ? name : data.id;
        }
        return data;
    };
    c3_chart_internal_fn.getValueOnIndex = function (values, index) {
        var valueOnIndex = values.filter(function (v) {
            return v.index === index;
        });
        return valueOnIndex.length ? valueOnIndex[0] : null;
    };
    c3_chart_internal_fn.updateTargetX = function (targets, x) {
        var $$ = this;
        targets.forEach(function (t) {
            t.values.forEach(function (v, i) {
                v.x = $$.generateTargetX(x[i], t.id, i);
            });
            $$.data.xs[t.id] = x;
        });
    };
    c3_chart_internal_fn.updateTargetXs = function (targets, xs) {
        var $$ = this;
        targets.forEach(function (t) {
            if (xs[t.id]) {
                $$.updateTargetX([t], xs[t.id]);
            }
        });
    };
    c3_chart_internal_fn.generateTargetX = function (rawX, id, index) {
        var $$ = this, x;
        if ($$.isTimeSeries()) {
            x = rawX ? $$.parseDate(rawX) : $$.parseDate($$.getXValue(id, index));
        }
        else if ($$.isCustomX() && !$$.isCategorized()) {
            x = isValue(rawX) ? +rawX : $$.getXValue(id, index);
        }
        else {
            x = index;
        }
        return x;
    };
    c3_chart_internal_fn.cloneTarget = function (target) {
        return {
            id: target.id,
            id_org: target.id_org,
            values: target.values.map(function (d) {
                return {x: d.x, value: d.value, id: d.id};
            })
        };
    };
    c3_chart_internal_fn.updateXs = function () {
        var $$ = this;
        if ($$.data.targets.length) {
            $$.xs = [];
            $$.data.targets[0].values.forEach(function (v) {
                $$.xs[v.index] = v.x;
            });
        }
    };
    c3_chart_internal_fn.getPrevX = function (i) {
        var x = this.xs[i - 1];
        return typeof x !== 'undefined' ? x : null;
    };
    c3_chart_internal_fn.getNextX = function (i) {
        var x = this.xs[i + 1];
        return typeof x !== 'undefined' ? x : null;
    };
    c3_chart_internal_fn.getMaxDataCount = function () {
        var $$ = this;
        return $$.d3.max($$.data.targets, function (t) {
            return t.values.length;
        });
    };
    c3_chart_internal_fn.getMaxDataCountTarget = function (targets) {
        var length = targets.length, max = 0, maxTarget;
        if (length > 1) {
            targets.forEach(function (t) {
                if (t.values.length > max) {
                    maxTarget = t;
                    max = t.values.length;
                }
            });
        } else {
            maxTarget = length ? targets[0] : null;
        }
        return maxTarget;
    };
    c3_chart_internal_fn.getEdgeX = function (targets) {
        var $$ = this;
        return !targets.length ? [0, 0] : [
            $$.d3.min(targets, function (t) {
                return t.values[0].x;
            }),
            $$.d3.max(targets, function (t) {
                return t.values[t.values.length - 1].x;
            })
        ];
    };
    c3_chart_internal_fn.mapToIds = function (targets) {
        return targets.map(function (d) {
            return d.id;
        });
    };
    c3_chart_internal_fn.mapToTargetIds = function (ids) {
        var $$ = this;
        return ids ? [].concat(ids) : $$.mapToIds($$.data.targets);
    };
    c3_chart_internal_fn.hasTarget = function (targets, id) {
        var ids = this.mapToIds(targets), i;
        for (i = 0; i < ids.length; i++) {
            if (ids[i] === id) {
                return true;
            }
        }
        return false;
    };
    c3_chart_internal_fn.isTargetToShow = function (targetId) {
        return this.hiddenTargetIds.indexOf(targetId) < 0;
    };
    c3_chart_internal_fn.isLegendToShow = function (targetId) {
        return this.hiddenLegendIds.indexOf(targetId) < 0;
    };
    c3_chart_internal_fn.filterTargetsToShow = function (targets) {
        var $$ = this;
        return targets.filter(function (t) {
            return $$.isTargetToShow(t.id);
        });
    };
    c3_chart_internal_fn.mapTargetsToUniqueXs = function (targets) {
        var $$ = this;
        var xs = $$.d3.set($$.d3.merge(targets.map(function (t) {
            return t.values.map(function (v) {
                return +v.x;
            });
        }))).values();
        xs = $$.isTimeSeries() ? xs.map(function (x) {
            return new Date(+x);
        }) : xs.map(function (x) {
            return +x;
        });
        return xs.sort(function (a, b) {
            return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
        });
    };
    c3_chart_internal_fn.addHiddenTargetIds = function (targetIds) {
        this.hiddenTargetIds = this.hiddenTargetIds.concat(targetIds);
    };
    c3_chart_internal_fn.removeHiddenTargetIds = function (targetIds) {
        this.hiddenTargetIds = this.hiddenTargetIds.filter(function (id) {
            return targetIds.indexOf(id) < 0;
        });
    };
    c3_chart_internal_fn.addHiddenLegendIds = function (targetIds) {
        this.hiddenLegendIds = this.hiddenLegendIds.concat(targetIds);
    };
    c3_chart_internal_fn.removeHiddenLegendIds = function (targetIds) {
        this.hiddenLegendIds = this.hiddenLegendIds.filter(function (id) {
            return targetIds.indexOf(id) < 0;
        });
    };
    c3_chart_internal_fn.getValuesAsIdKeyed = function (targets) {
        var ys = {};
        targets.forEach(function (t) {
            ys[t.id] = [];
            t.values.forEach(function (v) {
                ys[t.id].push(v.value);
            });
        });
        return ys;
    };
    c3_chart_internal_fn.checkValueInTargets = function (targets, checker) {
        var ids = Object.keys(targets), i, j, values;
        for (i = 0; i < ids.length; i++) {
            values = targets[ids[i]].values;
            for (j = 0; j < values.length; j++) {
                if (checker(values[j].value)) {
                    return true;
                }
            }
        }
        return false;
    };
    c3_chart_internal_fn.hasNegativeValueInTargets = function (targets) {
        return this.checkValueInTargets(targets, function (v) {
            return v < 0;
        });
    };
    c3_chart_internal_fn.hasPositiveValueInTargets = function (targets) {
        return this.checkValueInTargets(targets, function (v) {
            return v > 0;
        });
    };
    c3_chart_internal_fn.isOrderDesc = function () {
        var config = this.config;
        return typeof(config.data_order) === 'string' && config.data_order.toLowerCase() === 'desc';
    };
    c3_chart_internal_fn.isOrderAsc = function () {
        var config = this.config;
        return typeof(config.data_order) === 'string' && config.data_order.toLowerCase() === 'asc';
    };
    c3_chart_internal_fn.orderTargets = function (targets) {
        var $$ = this, config = $$.config, orderAsc = $$.isOrderAsc(), orderDesc = $$.isOrderDesc();
        if (orderAsc || orderDesc) {
            targets.sort(function (t1, t2) {
                var reducer = function (p, c) {
                    return p + Math.abs(c.value);
                };
                var t1Sum = t1.values.reduce(reducer, 0),
                    t2Sum = t2.values.reduce(reducer, 0);
                return orderAsc ? t2Sum - t1Sum : t1Sum - t2Sum;
            });
        } else if (isFunction(config.data_order)) {
            targets.sort(config.data_order);
        } // TODO: accept name array for order
        return targets;
    };
    c3_chart_internal_fn.filterByX = function (targets, x) {
        return this.d3.merge(targets.map(function (t) {
            return t.values;
        })).filter(function (v) {
            return v.x - x === 0;
        });
    };
    c3_chart_internal_fn.filterRemoveNull = function (data) {
        return data.filter(function (d) {
            return isValue(d.value);
        });
    };
    c3_chart_internal_fn.filterByXDomain = function (targets, xDomain) {
        return targets.map(function (t) {
            return {
                id: t.id,
                id_org: t.id_org,
                values: t.values.filter(function (v) {
                    return xDomain[0] <= v.x && v.x <= xDomain[1];
                })
            };
        });
    };
    c3_chart_internal_fn.hasDataLabel = function () {
        var config = this.config;
        if (typeof config.data_labels === 'boolean' && config.data_labels) {
            return true;
        } else if (typeof config.data_labels === 'object' && notEmpty(config.data_labels)) {
            return true;
        }
        return false;
    };
    c3_chart_internal_fn.getDataLabelLength = function (min, max, key) {
        var $$ = this,
            lengths = [0, 0], paddingCoef = 1.3;
        $$.selectChart.select('svg').selectAll('.dummy')
            .data([min, max])
            .enter().append('text')
            .text(function (d) {
                return $$.dataLabelFormat(d.id)(d);
            })
            .each(function (d, i) {
                lengths[i] = this.getBoundingClientRect()[key] * paddingCoef;
            })
            .remove();
        return lengths;
    };
    c3_chart_internal_fn.isNoneArc = function (d) {
        return this.hasTarget(this.data.targets, d.id);
    },
        c3_chart_internal_fn.isArc = function (d) {
            return 'data' in d && this.hasTarget(this.data.targets, d.data.id);
        };
    c3_chart_internal_fn.findSameXOfValues = function (values, index) {
        var i, targetX = values[index].x, sames = [];
        for (i = index - 1; i >= 0; i--) {
            if (targetX !== values[i].x) {
                break;
            }
            sames.push(values[i]);
        }
        for (i = index; i < values.length; i++) {
            if (targetX !== values[i].x) {
                break;
            }
            sames.push(values[i]);
        }
        return sames;
    };

    c3_chart_internal_fn.findClosestFromTargets = function (targets, pos) {
        var $$ = this, candidates;

        // map to array of closest points of each target
        candidates = targets.map(function (target) {
            return $$.findClosest(target.values, pos);
        });

        // decide closest point and return
        return $$.findClosest(candidates, pos);
    };
    c3_chart_internal_fn.findClosest = function (values, pos) {
        var $$ = this, minDist = $$.config.point_sensitivity, closest;

        // find mouseovering bar
        values.filter(function (v) {
            return v && $$.isBarType(v.id);
        }).forEach(function (v) {
            var shape = $$.main.select('.' + CLASS.bars + $$.getTargetSelectorSuffix(v.id) + ' .' + CLASS.bar + '-' + v.index).node();
            if (!closest && $$.isWithinBar(shape)) {
                closest = v;
            }
        });

        // find closest point from non-bar
        values.filter(function (v) {
            return v && !$$.isBarType(v.id);
        }).forEach(function (v) {
            var d = $$.dist(v, pos);
            if (d < minDist) {
                minDist = d;
                closest = v;
            }
        });

        return closest;
    };
    c3_chart_internal_fn.dist = function (data, pos) {
        var $$ = this, config = $$.config,
            xIndex = config.axis_rotated ? 1 : 0,
            yIndex = config.axis_rotated ? 0 : 1,
            y = $$.circleY(data, data.index),
            x = $$.x(data.x);
        return Math.sqrt(Math.pow(x - pos[xIndex], 2) + Math.pow(y - pos[yIndex], 2));
    };
    c3_chart_internal_fn.convertValuesToStep = function (values) {
        var converted = [].concat(values), i;

        if (!this.isCategorized()) {
            return values;
        }

        for (i = values.length + 1; 0 < i; i--) {
            converted[i] = converted[i - 1];
        }

        converted[0] = {
            x: converted[0].x - 1,
            value: converted[0].value,
            id: converted[0].id
        };
        converted[values.length + 1] = {
            x: converted[values.length].x + 1,
            value: converted[values.length].value,
            id: converted[values.length].id
        };

        return converted;
    };
    c3_chart_internal_fn.updateDataAttributes = function (name, attrs) {
        var $$ = this, config = $$.config, current = config['data_' + name];
        if (typeof attrs === 'undefined') {
            return current;
        }
        Object.keys(attrs).forEach(function (id) {
            current[id] = attrs[id];
        });
        $$.redraw({withLegend: true});
        return current;
    };

    c3_chart_internal_fn.convertUrlToData = function (url, mimeType, headers, keys, done) {
        var $$ = this, type = mimeType ? mimeType : 'csv';
        var req = $$.d3.xhr(url);
        if (headers) {
            Object.keys(headers).forEach(function (header) {
                req.header(header, headers[header]);
            });
        }
        req.get(function (error, data) {
            var d;
            if (!data) {
                throw new Error(error.responseURL + ' ' + error.status + ' (' + error.statusText + ')');
            }
            if (type === 'json') {
                d = $$.convertJsonToData(JSON.parse(data.response), keys);
            } else if (type === 'tsv') {
                d = $$.convertTsvToData(data.response);
            } else {
                d = $$.convertCsvToData(data.response);
            }
            done.call($$, d);
        });
    };
    c3_chart_internal_fn.convertXsvToData = function (xsv, parser) {
        var rows = parser.parseRows(xsv), d;
        if (rows.length === 1) {
            d = [{}];
            rows[0].forEach(function (id) {
                d[0][id] = null;
            });
        } else {
            d = parser.parse(xsv);
        }
        return d;
    };
    c3_chart_internal_fn.convertCsvToData = function (csv) {
        return this.convertXsvToData(csv, this.d3.csv);
    };
    c3_chart_internal_fn.convertTsvToData = function (tsv) {
        return this.convertXsvToData(tsv, this.d3.tsv);
    };
    c3_chart_internal_fn.convertJsonToData = function (json, keys) {
        var $$ = this,
            new_rows = [], targetKeys, data;
        if (keys) { // when keys specified, json would be an array that includes objects
            if (keys.x) {
                targetKeys = keys.value.concat(keys.x);
                $$.config.data_x = keys.x;
            } else {
                targetKeys = keys.value;
            }
            new_rows.push(targetKeys);
            json.forEach(function (o) {
                var new_row = [];
                targetKeys.forEach(function (key) {
                    // convert undefined to null because undefined data will be removed in convertDataToTargets()
                    var v = $$.findValueInJson(o, key);
                    if (isUndefined(v)) {
                        v = null;
                    }
                    new_row.push(v);
                });
                new_rows.push(new_row);
            });
            data = $$.convertRowsToData(new_rows);
        } else {
            Object.keys(json).forEach(function (key) {
                new_rows.push([key].concat(json[key]));
            });
            data = $$.convertColumnsToData(new_rows);
        }
        return data;
    };
    c3_chart_internal_fn.findValueInJson = function (object, path) {
        path = path.replace(/\[(\w+)\]/g, '.$1'); // convert indexes to properties (replace [] with .)
        path = path.replace(/^\./, '');           // strip a leading dot
        var pathArray = path.split('.');
        for (var i = 0; i < pathArray.length; ++i) {
            var k = pathArray[i];
            if (k in object) {
                object = object[k];
            } else {
                return;
            }
        }
        return object;
    };
    c3_chart_internal_fn.convertRowsToData = function (rows) {
        var keys = rows[0], new_row = {}, new_rows = [], i, j;
        for (i = 1; i < rows.length; i++) {
            new_row = {};
            for (j = 0; j < rows[i].length; j++) {
                if (isUndefined(rows[i][j])) {
                    throw new Error("Source data is missing a component at (" + i + "," + j + ")!");
                }
                new_row[keys[j]] = rows[i][j];
            }
            new_rows.push(new_row);
        }
        return new_rows;
    };
    c3_chart_internal_fn.convertColumnsToData = function (columns) {
        var new_rows = [], i, j, key;
        for (i = 0; i < columns.length; i++) {
            key = columns[i][0];
            for (j = 1; j < columns[i].length; j++) {
                if (isUndefined(new_rows[j - 1])) {
                    new_rows[j - 1] = {};
                }
                if (isUndefined(columns[i][j])) {
                    throw new Error("Source data is missing a component at (" + i + "," + j + ")!");
                }
                new_rows[j - 1][key] = columns[i][j];
            }
        }
        return new_rows;
    };
    c3_chart_internal_fn.convertDataToTargets = function (data, appendXs) {
        var $$ = this, config = $$.config,
            ids = $$.d3.keys(data[0]).filter($$.isNotX, $$),
            xs = $$.d3.keys(data[0]).filter($$.isX, $$),
            targets;

        // save x for update data by load when custom x and c3.x API
        ids.forEach(function (id) {
            var xKey = $$.getXKey(id);

            if ($$.isCustomX() || $$.isTimeSeries()) {
                // if included in input data
                if (xs.indexOf(xKey) >= 0) {
                    $$.data.xs[id] = (appendXs && $$.data.xs[id] ? $$.data.xs[id] : []).concat(
                        data.map(function (d) {
                            return d[xKey];
                        })
                            .filter(isValue)
                            .map(function (rawX, i) {
                                return $$.generateTargetX(rawX, id, i);
                            })
                    );
                }
                // if not included in input data, find from preloaded data of other id's x
                else if (config.data_x) {
                    $$.data.xs[id] = $$.getOtherTargetXs();
                }
                // if not included in input data, find from preloaded data
                else if (notEmpty(config.data_xs)) {
                    $$.data.xs[id] = $$.getXValuesOfXKey(xKey, $$.data.targets);
                }
                // MEMO: if no x included, use same x of current will be used
            } else {
                $$.data.xs[id] = data.map(function (d, i) {
                    return i;
                });
            }
        });


        // check x is defined
        ids.forEach(function (id) {
            if (!$$.data.xs[id]) {
                throw new Error('x is not defined for id = "' + id + '".');
            }
        });

        // convert to target
        targets = ids.map(function (id, index) {
            var convertedId = config.data_idConverter(id);
            return {
                id: convertedId,
                id_org: id,
                values: data.map(function (d, i) {
                    var xKey = $$.getXKey(id), rawX = d[xKey],
                        value = d[id] !== null && !isNaN(d[id]) ? +d[id] : null, x;
                    // use x as categories if custom x and categorized
                    if ($$.isCustomX() && $$.isCategorized() && index === 0 && !isUndefined(rawX)) {
                        if (index === 0 && i === 0) {
                            config.axis_x_categories = [];
                        }
                        x = config.axis_x_categories.indexOf(rawX);
                        if (x === -1) {
                            x = config.axis_x_categories.length;
                            config.axis_x_categories.push(rawX);
                        }
                    } else {
                        x = $$.generateTargetX(rawX, id, i);
                    }
                    // mark as x = undefined if value is undefined and filter to remove after mapped
                    if (isUndefined(d[id]) || $$.data.xs[id].length <= i) {
                        x = undefined;
                    }
                    return {x: x, value: value, id: convertedId};
                }).filter(function (v) {
                    return isDefined(v.x);
                })
            };
        });

        // finish targets
        targets.forEach(function (t) {
            var i;
            // sort values by its x
            if (config.data_xSort) {
                t.values = t.values.sort(function (v1, v2) {
                    var x1 = v1.x || v1.x === 0 ? v1.x : Infinity,
                        x2 = v2.x || v2.x === 0 ? v2.x : Infinity;
                    return x1 - x2;
                });
            }
            // indexing each value
            i = 0;
            t.values.forEach(function (v) {
                v.index = i++;
            });
            // this needs to be sorted because its index and value.index is identical
            $$.data.xs[t.id].sort(function (v1, v2) {
                return v1 - v2;
            });
        });

        // cache information about values
        $$.hasNegativeValue = $$.hasNegativeValueInTargets(targets);
        $$.hasPositiveValue = $$.hasPositiveValueInTargets(targets);

        // set target types
        if (config.data_type) {
            $$.setTargetType($$.mapToIds(targets).filter(function (id) {
                return !(id in config.data_types);
            }), config.data_type);
        }

        // cache as original id keyed
        targets.forEach(function (d) {
            $$.addCache(d.id_org, d);
        });

        return targets;
    };

    c3_chart_internal_fn.load = function (targets, args) {
        var $$ = this;
        if (targets) {
            // filter loading targets if needed
            if (args.filter) {
                targets = targets.filter(args.filter);
            }
            // set type if args.types || args.type specified
            if (args.type || args.types) {
                targets.forEach(function (t) {
                    var type = args.types && args.types[t.id] ? args.types[t.id] : args.type;
                    $$.setTargetType(t.id, type);
                });
            }
            // Update/Add data
            $$.data.targets.forEach(function (d) {
                for (var i = 0; i < targets.length; i++) {
                    if (d.id === targets[i].id) {
                        d.values = targets[i].values;
                        targets.splice(i, 1);
                        break;
                    }
                }
            });
            $$.data.targets = $$.data.targets.concat(targets); // add remained
        }

        // Set targets
        $$.updateTargets($$.data.targets);

        // Redraw with new targets
        $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true});

        if (args.done) {
            args.done();
        }
    };
    c3_chart_internal_fn.loadFromArgs = function (args) {
        var $$ = this;
        if (args.data) {
            $$.load($$.convertDataToTargets(args.data), args);
        }
        else if (args.url) {
            $$.convertUrlToData(args.url, args.mimeType, args.headers, args.keys, function (data) {
                $$.load($$.convertDataToTargets(data), args);
            });
        }
        else if (args.json) {
            $$.load($$.convertDataToTargets($$.convertJsonToData(args.json, args.keys)), args);
        }
        else if (args.rows) {
            $$.load($$.convertDataToTargets($$.convertRowsToData(args.rows)), args);
        }
        else if (args.columns) {
            $$.load($$.convertDataToTargets($$.convertColumnsToData(args.columns)), args);
        }
        else {
            $$.load(null, args);
        }
    };
    c3_chart_internal_fn.unload = function (targetIds, done) {
        var $$ = this;
        if (!done) {
            done = function () {
            };
        }
        // filter existing target
        targetIds = targetIds.filter(function (id) {
            return $$.hasTarget($$.data.targets, id);
        });
        // If no target, call done and return
        if (!targetIds || targetIds.length === 0) {
            done();
            return;
        }
        $$.svg.selectAll(targetIds.map(function (id) {
            return $$.selectorTarget(id);
        }))
            .transition()
            .style('opacity', 0)
            .remove()
            .call($$.endall, done);
        targetIds.forEach(function (id) {
            // Reset fadein for future load
            $$.withoutFadeIn[id] = false;
            // Remove target's elements
            if ($$.legend) {
                $$.legend.selectAll('.' + CLASS.legendItem + $$.getTargetSelectorSuffix(id)).remove();
            }
            // Remove target
            $$.data.targets = $$.data.targets.filter(function (t) {
                return t.id !== id;
            });
        });
    };

    c3_chart_internal_fn.categoryName = function (i) {
        var config = this.config;
        return i < config.axis_x_categories.length ? config.axis_x_categories[i] : i;
    };

    c3_chart_internal_fn.initEventRect = function () {
        var $$ = this;
        $$.main.select('.' + CLASS.chart).append("g")
            .attr("class", CLASS.eventRects)
            .style('fill-opacity', 0);
    };
    c3_chart_internal_fn.redrawEventRect = function () {
        var $$ = this, config = $$.config,
            eventRectUpdate, maxDataCountTarget,
            isMultipleX = $$.isMultipleX();

        // rects for mouseover
        var eventRects = $$.main.select('.' + CLASS.eventRects)
            .style('cursor', config.zoom_enabled ? config.axis_rotated ? 'ns-resize' : 'ew-resize' : null)
            .classed(CLASS.eventRectsMultiple, isMultipleX)
            .classed(CLASS.eventRectsSingle, !isMultipleX);

        // clear old rects
        eventRects.selectAll('.' + CLASS.eventRect).remove();

        // open as public variable
        $$.eventRect = eventRects.selectAll('.' + CLASS.eventRect);

        if (isMultipleX) {
            eventRectUpdate = $$.eventRect.data([0]);
            // enter : only one rect will be added
            $$.generateEventRectsForMultipleXs(eventRectUpdate.enter());
            // update
            $$.updateEventRect(eventRectUpdate);
            // exit : not needed because always only one rect exists
        }
        else {
            // Set data and update $$.eventRect
            maxDataCountTarget = $$.getMaxDataCountTarget($$.data.targets);
            eventRects.datum(maxDataCountTarget ? maxDataCountTarget.values : []);
            $$.eventRect = eventRects.selectAll('.' + CLASS.eventRect);
            eventRectUpdate = $$.eventRect.data(function (d) {
                return d;
            });
            // enter
            $$.generateEventRectsForSingleX(eventRectUpdate.enter());
            // update
            $$.updateEventRect(eventRectUpdate);
            // exit
            eventRectUpdate.exit().remove();
        }
    };
    c3_chart_internal_fn.updateEventRect = function (eventRectUpdate) {
        var $$ = this, config = $$.config,
            x, y, w, h, rectW, rectX;

        // set update selection if null
        eventRectUpdate = eventRectUpdate || $$.eventRect.data(function (d) {
            return d;
        });

        if ($$.isMultipleX()) {
            // TODO: rotated not supported yet
            x = 0;
            y = 0;
            w = $$.width;
            h = $$.height;
        }
        else {
            if (($$.isCustomX() || $$.isTimeSeries()) && !$$.isCategorized()) {

                // update index for x that is used by prevX and nextX
                $$.updateXs();

                rectW = function (d) {
                    var prevX = $$.getPrevX(d.index), nextX = $$.getNextX(d.index);

                    // if there this is a single data point make the eventRect full width (or height)
                    if (prevX === null && nextX === null) {
                        return config.axis_rotated ? $$.height : $$.width;
                    }

                    if (prevX === null) {
                        prevX = $$.x.domain()[0];
                    }
                    if (nextX === null) {
                        nextX = $$.x.domain()[1];
                    }

                    return Math.max(0, ($$.x(nextX) - $$.x(prevX)) / 2);
                };
                rectX = function (d) {
                    var prevX = $$.getPrevX(d.index), nextX = $$.getNextX(d.index),
                        thisX = $$.data.xs[d.id][d.index];

                    // if there this is a single data point position the eventRect at 0
                    if (prevX === null && nextX === null) {
                        return 0;
                    }

                    if (prevX === null) {
                        prevX = $$.x.domain()[0];
                    }

                    return ($$.x(thisX) + $$.x(prevX)) / 2;
                };
            } else {
                rectW = $$.getEventRectWidth();
                rectX = function (d) {
                    return $$.x(d.x) - (rectW / 2);
                };
            }
            x = config.axis_rotated ? 0 : rectX;
            y = config.axis_rotated ? rectX : 0;
            w = config.axis_rotated ? $$.width : rectW;
            h = config.axis_rotated ? rectW : $$.height;
        }

        eventRectUpdate
            .attr('class', $$.classEvent.bind($$))
            .attr("x", x)
            .attr("y", y)
            .attr("width", w)
            .attr("height", h);
    };
    c3_chart_internal_fn.generateEventRectsForSingleX = function (eventRectEnter) {
        var $$ = this, d3 = $$.d3, config = $$.config;
        eventRectEnter.append("rect")
            .attr("class", $$.classEvent.bind($$))
            .style("cursor", config.data_selection_enabled && config.data_selection_grouped ? "pointer" : null)
            .on('mouseover', function (d) {
                var index = d.index;

                if ($$.dragging || $$.flowing) {
                    return;
                } // do nothing while dragging/flowing
                if ($$.hasArcType()) {
                    return;
                }

                // Expand shapes for selection
                if (config.point_focus_expand_enabled) {
                    $$.expandCircles(index, null, true);
                }
                $$.expandBars(index, null, true);

                // Call event handler
                $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
                    config.data_onmouseover.call($$.api, d);
                });
            })
            .on('mouseout', function (d) {
                var index = d.index;
                if (!$$.config) {
                    return;
                } // chart is destroyed
                if ($$.hasArcType()) {
                    return;
                }
                $$.hideXGridFocus();
                $$.hideTooltip();
                // Undo expanded shapes
                $$.unexpandCircles();
                $$.unexpandBars();
                // Call event handler
                $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
                    config.data_onmouseout.call($$.api, d);
                });
            })
            .on('mousemove', function (d) {
                var selectedData, index = d.index,
                    eventRect = $$.svg.select('.' + CLASS.eventRect + '-' + index);

                if ($$.dragging || $$.flowing) {
                    return;
                } // do nothing while dragging/flowing
                if ($$.hasArcType()) {
                    return;
                }

                if ($$.isStepType(d) && $$.config.line_step_type === 'step-after' && d3.mouse(this)[0] < $$.x($$.getXValue(d.id, index))) {
                    index -= 1;
                }

                // Show tooltip
                selectedData = $$.filterTargetsToShow($$.data.targets).map(function (t) {
                    return $$.addName($$.getValueOnIndex(t.values, index));
                });

                if (config.tooltip_grouped) {
                    $$.showTooltip(selectedData, this);
                    $$.showXGridFocus(selectedData);
                }

                if (config.tooltip_grouped && (!config.data_selection_enabled || config.data_selection_grouped)) {
                    return;
                }

                $$.main.selectAll('.' + CLASS.shape + '-' + index)
                    .each(function () {
                        d3.select(this).classed(CLASS.EXPANDED, true);
                        if (config.data_selection_enabled) {
                            eventRect.style('cursor', config.data_selection_grouped ? 'pointer' : null);
                        }
                        if (!config.tooltip_grouped) {
                            $$.hideXGridFocus();
                            $$.hideTooltip();
                            if (!config.data_selection_grouped) {
                                $$.unexpandCircles(index);
                                $$.unexpandBars(index);
                            }
                        }
                    })
                    .filter(function (d) {
                        return $$.isWithinShape(this, d);
                    })
                    .each(function (d) {
                        if (config.data_selection_enabled && (config.data_selection_grouped || config.data_selection_isselectable(d))) {
                            eventRect.style('cursor', 'pointer');
                        }
                        if (!config.tooltip_grouped) {
                            $$.showTooltip([d], this);
                            $$.showXGridFocus([d]);
                            if (config.point_focus_expand_enabled) {
                                $$.expandCircles(index, d.id, true);
                            }
                            $$.expandBars(index, d.id, true);
                        }
                    });
            })
            .on('click', function (d) {
                var index = d.index;
                if ($$.hasArcType() || !$$.toggleShape) {
                    return;
                }
                if ($$.cancelClick) {
                    $$.cancelClick = false;
                    return;
                }
                if ($$.isStepType(d) && config.line_step_type === 'step-after' && d3.mouse(this)[0] < $$.x($$.getXValue(d.id, index))) {
                    index -= 1;
                }
                $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
                    if (config.data_selection_grouped || $$.isWithinShape(this, d)) {
                        $$.toggleShape(this, d, index);
                        $$.config.data_onclick.call($$.api, d, this);
                    }
                });
            })
            .call(
                config.data_selection_draggable && $$.drag ? (
                    d3.behavior.drag().origin(Object)
                        .on('drag', function () {
                            $$.drag(d3.mouse(this));
                        })
                        .on('dragstart', function () {
                            $$.dragstart(d3.mouse(this));
                        })
                        .on('dragend', function () {
                            $$.dragend();
                        })
                ) : function () {
                }
            );
    };

    c3_chart_internal_fn.generateEventRectsForMultipleXs = function (eventRectEnter) {
        var $$ = this, d3 = $$.d3, config = $$.config;

        function mouseout() {
            $$.svg.select('.' + CLASS.eventRect).style('cursor', null);
            $$.hideXGridFocus();
            $$.hideTooltip();
            $$.unexpandCircles();
            $$.unexpandBars();
        }

        eventRectEnter.append('rect')
            .attr('x', 0)
            .attr('y', 0)
            .attr('width', $$.width)
            .attr('height', $$.height)
            .attr('class', CLASS.eventRect)
            .on('mouseout', function () {
                if (!$$.config) {
                    return;
                } // chart is destroyed
                if ($$.hasArcType()) {
                    return;
                }
                mouseout();
            })
            .on('mousemove', function () {
                var targetsToShow = $$.filterTargetsToShow($$.data.targets);
                var mouse, closest, sameXData, selectedData;

                if ($$.dragging) {
                    return;
                } // do nothing when dragging
                if ($$.hasArcType(targetsToShow)) {
                    return;
                }

                mouse = d3.mouse(this);
                closest = $$.findClosestFromTargets(targetsToShow, mouse);

                if ($$.mouseover && (!closest || closest.id !== $$.mouseover.id)) {
                    config.data_onmouseout.call($$.api, $$.mouseover);
                    $$.mouseover = undefined;
                }

                if (!closest) {
                    mouseout();
                    return;
                }

                if ($$.isScatterType(closest) || !config.tooltip_grouped) {
                    sameXData = [closest];
                } else {
                    sameXData = $$.filterByX(targetsToShow, closest.x);
                }

                // show tooltip when cursor is close to some point
                selectedData = sameXData.map(function (d) {
                    return $$.addName(d);
                });
                $$.showTooltip(selectedData, this);

                // expand points
                if (config.point_focus_expand_enabled) {
                    $$.expandCircles(closest.index, closest.id, true);
                }
                $$.expandBars(closest.index, closest.id, true);

                // Show xgrid focus line
                $$.showXGridFocus(selectedData);

                // Show cursor as pointer if point is close to mouse position
                if ($$.isBarType(closest.id) || $$.dist(closest, mouse) < config.point_sensitivity) {
                    $$.svg.select('.' + CLASS.eventRect).style('cursor', 'pointer');
                    if (!$$.mouseover) {
                        config.data_onmouseover.call($$.api, closest);
                        $$.mouseover = closest;
                    }
                }
            })
            .on('click', function () {
                var targetsToShow = $$.filterTargetsToShow($$.data.targets);
                var mouse, closest;
                if ($$.hasArcType(targetsToShow)) {
                    return;
                }

                mouse = d3.mouse(this);
                closest = $$.findClosestFromTargets(targetsToShow, mouse);
                if (!closest) {
                    return;
                }
                // select if selection enabled
                if ($$.isBarType(closest.id) || $$.dist(closest, mouse) < config.point_sensitivity) {
                    $$.main.selectAll('.' + CLASS.shapes + $$.getTargetSelectorSuffix(closest.id)).selectAll('.' + CLASS.shape + '-' + closest.index).each(function () {
                        if (config.data_selection_grouped || $$.isWithinShape(this, closest)) {
                            $$.toggleShape(this, closest, closest.index);
                            $$.config.data_onclick.call($$.api, closest, this);
                        }
                    });
                }
            })
            .call(
                config.data_selection_draggable && $$.drag ? (
                    d3.behavior.drag().origin(Object)
                        .on('drag', function () {
                            $$.drag(d3.mouse(this));
                        })
                        .on('dragstart', function () {
                            $$.dragstart(d3.mouse(this));
                        })
                        .on('dragend', function () {
                            $$.dragend();
                        })
                ) : function () {
                }
            );
    };
    c3_chart_internal_fn.dispatchEvent = function (type, index, mouse) {
        var $$ = this,
            selector = '.' + CLASS.eventRect + (!$$.isMultipleX() ? '-' + index : ''),
            eventRect = $$.main.select(selector).node(),
            box = eventRect.getBoundingClientRect(),
            x = box.left + (mouse ? mouse[0] : 0),
            y = box.top + (mouse ? mouse[1] : 0),
            event = document.createEvent("MouseEvents");

        event.initMouseEvent(type, true, true, window, 0, x, y, x, y,
            false, false, false, false, 0, null);
        eventRect.dispatchEvent(event);
    };

    c3_chart_internal_fn.getCurrentWidth = function () {
        var $$ = this, config = $$.config;
        return config.size_width ? config.size_width : $$.getParentWidth();
    };
    c3_chart_internal_fn.getCurrentHeight = function () {
        var $$ = this, config = $$.config,
            h = config.size_height ? config.size_height : $$.getParentHeight();
        return h > 0 ? h : 320 / ($$.hasType('gauge') && !config.gauge_fullCircle ? 2 : 1);
    };
    c3_chart_internal_fn.getCurrentPaddingTop = function () {
        var $$ = this,
            config = $$.config,
            padding = isValue(config.padding_top) ? config.padding_top : 0;
        if ($$.title && $$.title.node()) {
            padding += $$.getTitlePadding();
        }
        return padding;
    };
    c3_chart_internal_fn.getCurrentPaddingBottom = function () {
        var config = this.config;
        return isValue(config.padding_bottom) ? config.padding_bottom : 0;
    };
    c3_chart_internal_fn.getCurrentPaddingLeft = function (withoutRecompute) {
        var $$ = this, config = $$.config;
        if (isValue(config.padding_left)) {
            return config.padding_left;
        } else if (config.axis_rotated) {
            return !config.axis_x_show ? 1 : Math.max(ceil10($$.getAxisWidthByAxisId('x', withoutRecompute)), 40);
        } else if (!config.axis_y_show || config.axis_y_inner) { // && !config.axis_rotated
            return $$.axis.getYAxisLabelPosition().isOuter ? 30 : 1;
        } else {
            return ceil10($$.getAxisWidthByAxisId('y', withoutRecompute));
        }
    };
    c3_chart_internal_fn.getCurrentPaddingRight = function () {
        var $$ = this, config = $$.config,
            defaultPadding = 10, legendWidthOnRight = $$.isLegendRight ? $$.getLegendWidth() + 20 : 0;
        if (isValue(config.padding_right)) {
            return config.padding_right + 1; // 1 is needed not to hide tick line
        } else if (config.axis_rotated) {
            return defaultPadding + legendWidthOnRight;
        } else if (!config.axis_y2_show || config.axis_y2_inner) { // && !config.axis_rotated
            return 2 + legendWidthOnRight + ($$.axis.getY2AxisLabelPosition().isOuter ? 20 : 0);
        } else {
            return ceil10($$.getAxisWidthByAxisId('y2')) + legendWidthOnRight;
        }
    };

    c3_chart_internal_fn.getParentRectValue = function (key) {
        var parent = this.selectChart.node(), v;
        while (parent && parent.tagName !== 'BODY') {
            try {
                v = parent.getBoundingClientRect()[key];
            } catch (e) {
                if (key === 'width') {
                    // In IE in certain cases getBoundingClientRect
                    // will cause an "unspecified error"
                    v = parent.offsetWidth;
                }
            }
            if (v) {
                break;
            }
            parent = parent.parentNode;
        }
        return v;
    };
    c3_chart_internal_fn.getParentWidth = function () {
        return this.getParentRectValue('width');
    };
    c3_chart_internal_fn.getParentHeight = function () {
        var h = this.selectChart.style('height');
        return h.indexOf('px') > 0 ? +h.replace('px', '') : 0;
    };


    c3_chart_internal_fn.getSvgLeft = function (withoutRecompute) {
        var $$ = this, config = $$.config,
            hasLeftAxisRect = config.axis_rotated || (!config.axis_rotated && !config.axis_y_inner),
            leftAxisClass = config.axis_rotated ? CLASS.axisX : CLASS.axisY,
            leftAxis = $$.main.select('.' + leftAxisClass).node(),
            svgRect = leftAxis && hasLeftAxisRect ? leftAxis.getBoundingClientRect() : {right: 0},
            chartRect = $$.selectChart.node().getBoundingClientRect(),
            hasArc = $$.hasArcType(),
            svgLeft = svgRect.right - chartRect.left - (hasArc ? 0 : $$.getCurrentPaddingLeft(withoutRecompute));
        return svgLeft > 0 ? svgLeft : 0;
    };


    c3_chart_internal_fn.getAxisWidthByAxisId = function (id, withoutRecompute) {
        var $$ = this, position = $$.axis.getLabelPositionById(id);
        return $$.axis.getMaxTickWidth(id, withoutRecompute) + (position.isInner ? 20 : 40);
    };
    c3_chart_internal_fn.getHorizontalAxisHeight = function (axisId) {
        var $$ = this, config = $$.config, h = 30;
        if (axisId === 'x' && !config.axis_x_show) {
            return 8;
        }
        if (axisId === 'x' && config.axis_x_height) {
            return config.axis_x_height;
        }
        if (axisId === 'y' && !config.axis_y_show) {
            return config.legend_show && !$$.isLegendRight && !$$.isLegendInset ? 10 : 1;
        }
        if (axisId === 'y2' && !config.axis_y2_show) {
            return $$.rotated_padding_top;
        }
        // Calculate x axis height when tick rotated
        if (axisId === 'x' && !config.axis_rotated && config.axis_x_tick_rotate) {
            h = 30 + $$.axis.getMaxTickWidth(axisId) * Math.cos(Math.PI * (90 - config.axis_x_tick_rotate) / 180);
        }
        // Calculate y axis height when tick rotated
        if (axisId === 'y' && config.axis_rotated && config.axis_y_tick_rotate) {
            h = 30 + $$.axis.getMaxTickWidth(axisId) * Math.cos(Math.PI * (90 - config.axis_y_tick_rotate) / 180);
        }
        return h + ($$.axis.getLabelPositionById(axisId).isInner ? 0 : 10) + (axisId === 'y2' ? -10 : 0);
    };

    c3_chart_internal_fn.getEventRectWidth = function () {
        return Math.max(0, this.xAxis.tickInterval());
    };

    c3_chart_internal_fn.getShapeIndices = function (typeFilter) {
        var $$ = this, config = $$.config,
            indices = {}, i = 0, j, k;
        $$.filterTargetsToShow($$.data.targets.filter(typeFilter, $$)).forEach(function (d) {
            for (j = 0; j < config.data_groups.length; j++) {
                if (config.data_groups[j].indexOf(d.id) < 0) {
                    continue;
                }
                for (k = 0; k < config.data_groups[j].length; k++) {
                    if (config.data_groups[j][k] in indices) {
                        indices[d.id] = indices[config.data_groups[j][k]];
                        break;
                    }
                }
            }
            if (isUndefined(indices[d.id])) {
                indices[d.id] = i++;
            }
        });
        indices.__max__ = i - 1;
        return indices;
    };
    c3_chart_internal_fn.getShapeX = function (offset, targetsNum, indices, isSub) {
        var $$ = this, scale = isSub ? $$.subX : $$.x;
        return function (d) {
            var index = d.id in indices ? indices[d.id] : 0;
            return d.x || d.x === 0 ? scale(d.x) - offset * (targetsNum / 2 - index) : 0;
        };
    };
    c3_chart_internal_fn.getShapeY = function (isSub) {
        var $$ = this;
        return function (d) {
            var scale = isSub ? $$.getSubYScale(d.id) : $$.getYScale(d.id);
            return scale(d.value);
        };
    };
    c3_chart_internal_fn.getShapeOffset = function (typeFilter, indices, isSub) {
        var $$ = this,
            targets = $$.orderTargets($$.filterTargetsToShow($$.data.targets.filter(typeFilter, $$))),
            targetIds = targets.map(function (t) {
                return t.id;
            });
        return function (d, i) {
            var scale = isSub ? $$.getSubYScale(d.id) : $$.getYScale(d.id),
                y0 = scale(0), offset = y0;
            targets.forEach(function (t) {
                var values = $$.isStepType(d) ? $$.convertValuesToStep(t.values) : t.values;
                if (t.id === d.id || indices[t.id] !== indices[d.id]) {
                    return;
                }
                if (targetIds.indexOf(t.id) < targetIds.indexOf(d.id)) {
                    // check if the x values line up
                    if (typeof values[i] === 'undefined' || +values[i].x !== +d.x) {  // "+" for timeseries
                        // if not, try to find the value that does line up
                        i = -1;
                        values.forEach(function (v, j) {
                            if (v.x === d.x) {
                                i = j;
                            }
                        });
                    }
                    if (i in values && values[i].value * d.value >= 0) {
                        offset += scale(values[i].value) - y0;
                    }
                }
            });
            return offset;
        };
    };
    c3_chart_internal_fn.isWithinShape = function (that, d) {
        var $$ = this,
            shape = $$.d3.select(that), isWithin;
        if (!$$.isTargetToShow(d.id)) {
            isWithin = false;
        }
        else if (that.nodeName === 'circle') {
            isWithin = $$.isStepType(d) ? $$.isWithinStep(that, $$.getYScale(d.id)(d.value)) : $$.isWithinCircle(that, $$.pointSelectR(d) * 1.5);
        }
        else if (that.nodeName === 'path') {
            isWithin = shape.classed(CLASS.bar) ? $$.isWithinBar(that) : true;
        }
        return isWithin;
    };


    c3_chart_internal_fn.getInterpolate = function (d) {
        var $$ = this,
            interpolation = $$.isInterpolationType($$.config.spline_interpolation_type) ? $$.config.spline_interpolation_type : 'cardinal';
        return $$.isSplineType(d) ? interpolation : $$.isStepType(d) ? $$.config.line_step_type : "linear";
    };

    c3_chart_internal_fn.initLine = function () {
        var $$ = this;
        $$.main.select('.' + CLASS.chart).append("g")
            .attr("class", CLASS.chartLines);
    };
    c3_chart_internal_fn.updateTargetsForLine = function (targets) {
        var $$ = this, config = $$.config,
            mainLineUpdate, mainLineEnter,
            classChartLine = $$.classChartLine.bind($$),
            classLines = $$.classLines.bind($$),
            classAreas = $$.classAreas.bind($$),
            classCircles = $$.classCircles.bind($$),
            classFocus = $$.classFocus.bind($$);
        mainLineUpdate = $$.main.select('.' + CLASS.chartLines).selectAll('.' + CLASS.chartLine)
            .data(targets)
            .attr('class', function (d) {
                return classChartLine(d) + classFocus(d);
            });
        mainLineEnter = mainLineUpdate.enter().append('g')
            .attr('class', classChartLine)
            .style('opacity', 0)
            .style("pointer-events", "none");
        // Lines for each data
        mainLineEnter.append('g')
            .attr("class", classLines);
        // Areas
        mainLineEnter.append('g')
            .attr('class', classAreas);
        // Circles for each data point on lines
        mainLineEnter.append('g')
            .attr("class", function (d) {
                return $$.generateClass(CLASS.selectedCircles, d.id);
            });
        mainLineEnter.append('g')
            .attr("class", classCircles)
            .style("cursor", function (d) {
                return config.data_selection_isselectable(d) ? "pointer" : null;
            });
        // Update date for selected circles
        targets.forEach(function (t) {
            $$.main.selectAll('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(t.id)).selectAll('.' + CLASS.selectedCircle).each(function (d) {
                d.value = t.values[d.index].value;
            });
        });
        // MEMO: can not keep same color...
        //mainLineUpdate.exit().remove();
    };
    c3_chart_internal_fn.updateLine = function (durationForExit) {
        var $$ = this;
        $$.mainLine = $$.main.selectAll('.' + CLASS.lines).selectAll('.' + CLASS.line)
            .data($$.lineData.bind($$));
        $$.mainLine.enter().append('path')
            .attr('class', $$.classLine.bind($$))
            .style("stroke", $$.color);
        $$.mainLine
            .style("opacity", $$.initialOpacity.bind($$))
            .style('shape-rendering', function (d) {
                return $$.isStepType(d) ? 'crispEdges' : '';
            })
            .attr('transform', null);
        $$.mainLine.exit().transition().duration(durationForExit)
            .style('opacity', 0)
            .remove();
    };
    c3_chart_internal_fn.redrawLine = function (drawLine, withTransition) {
        return [
            (withTransition ? this.mainLine.transition(Math.random().toString()) : this.mainLine)
                .attr("d", drawLine)
                .style("stroke", this.color)
                .style("opacity", 1)
        ];
    };
    c3_chart_internal_fn.generateDrawLine = function (lineIndices, isSub) {
        var $$ = this, config = $$.config,
            line = $$.d3.svg.line(),
            getPoints = $$.generateGetLinePoints(lineIndices, isSub),
            yScaleGetter = isSub ? $$.getSubYScale : $$.getYScale,
            xValue = function (d) {
                return (isSub ? $$.subxx : $$.xx).call($$, d);
            },
            yValue = function (d, i) {
                return config.data_groups.length > 0 ? getPoints(d, i)[0][1] : yScaleGetter.call($$, d.id)(d.value);
            };

        line = config.axis_rotated ? line.x(yValue).y(xValue) : line.x(xValue).y(yValue);
        if (!config.line_connectNull) {
            line = line.defined(function (d) {
                return d.value != null;
            });
        }
        return function (d) {
            var values = config.line_connectNull ? $$.filterRemoveNull(d.values) : d.values,
                x = isSub ? $$.x : $$.subX, y = yScaleGetter.call($$, d.id), x0 = 0, y0 = 0, path;
            if ($$.isLineType(d)) {
                if (config.data_regions[d.id]) {
                    path = $$.lineWithRegions(values, x, y, config.data_regions[d.id]);
                } else {
                    if ($$.isStepType(d)) {
                        values = $$.convertValuesToStep(values);
                    }
                    path = line.interpolate($$.getInterpolate(d))(values);
                }
            } else {
                if (values[0]) {
                    x0 = x(values[0].x);
                    y0 = y(values[0].value);
                }
                path = config.axis_rotated ? "M " + y0 + " " + x0 : "M " + x0 + " " + y0;
            }
            return path ? path : "M 0 0";
        };
    };
    c3_chart_internal_fn.generateGetLinePoints = function (lineIndices, isSub) { // partial duplication of generateGetBarPoints
        var $$ = this, config = $$.config,
            lineTargetsNum = lineIndices.__max__ + 1,
            x = $$.getShapeX(0, lineTargetsNum, lineIndices, !!isSub),
            y = $$.getShapeY(!!isSub),
            lineOffset = $$.getShapeOffset($$.isLineType, lineIndices, !!isSub),
            yScale = isSub ? $$.getSubYScale : $$.getYScale;
        return function (d, i) {
            var y0 = yScale.call($$, d.id)(0),
                offset = lineOffset(d, i) || y0, // offset is for stacked area chart
                posX = x(d), posY = y(d);
            // fix posY not to overflow opposite quadrant
            if (config.axis_rotated) {
                if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) {
                    posY = y0;
                }
            }
            // 1 point that marks the line position
            return [
                [posX, posY - (y0 - offset)],
                [posX, posY - (y0 - offset)], // needed for compatibility
                [posX, posY - (y0 - offset)], // needed for compatibility
                [posX, posY - (y0 - offset)]  // needed for compatibility
            ];
        };
    };


    c3_chart_internal_fn.lineWithRegions = function (d, x, y, _regions) {
        var $$ = this, config = $$.config,
            prev = -1, i, j,
            s = "M", sWithRegion,
            xp, yp, dx, dy, dd, diff, diffx2,
            xOffset = $$.isCategorized() ? 0.5 : 0,
            xValue, yValue,
            regions = [];

        function isWithinRegions(x, regions) {
            var i;
            for (i = 0; i < regions.length; i++) {
                if (regions[i].start < x && x <= regions[i].end) {
                    return true;
                }
            }
            return false;
        }

        // Check start/end of regions
        if (isDefined(_regions)) {
            for (i = 0; i < _regions.length; i++) {
                regions[i] = {};
                if (isUndefined(_regions[i].start)) {
                    regions[i].start = d[0].x;
                } else {
                    regions[i].start = $$.isTimeSeries() ? $$.parseDate(_regions[i].start) : _regions[i].start;
                }
                if (isUndefined(_regions[i].end)) {
                    regions[i].end = d[d.length - 1].x;
                } else {
                    regions[i].end = $$.isTimeSeries() ? $$.parseDate(_regions[i].end) : _regions[i].end;
                }
            }
        }

        // Set scales
        xValue = config.axis_rotated ? function (d) {
            return y(d.value);
        } : function (d) {
            return x(d.x);
        };
        yValue = config.axis_rotated ? function (d) {
            return x(d.x);
        } : function (d) {
            return y(d.value);
        };

        // Define svg generator function for region
        function generateM(points) {
            return 'M' + points[0][0] + ' ' + points[0][1] + ' ' + points[1][0] + ' ' + points[1][1];
        }

        if ($$.isTimeSeries()) {
            sWithRegion = function (d0, d1, j, diff) {
                var x0 = d0.x.getTime(), x_diff = d1.x - d0.x,
                    xv0 = new Date(x0 + x_diff * j),
                    xv1 = new Date(x0 + x_diff * (j + diff)),
                    points;
                if (config.axis_rotated) {
                    points = [[y(yp(j)), x(xv0)], [y(yp(j + diff)), x(xv1)]];
                } else {
                    points = [[x(xv0), y(yp(j))], [x(xv1), y(yp(j + diff))]];
                }
                return generateM(points);
            };
        } else {
            sWithRegion = function (d0, d1, j, diff) {
                var points;
                if (config.axis_rotated) {
                    points = [[y(yp(j), true), x(xp(j))], [y(yp(j + diff), true), x(xp(j + diff))]];
                } else {
                    points = [[x(xp(j), true), y(yp(j))], [x(xp(j + diff), true), y(yp(j + diff))]];
                }
                return generateM(points);
            };
        }

        // Generate
        for (i = 0; i < d.length; i++) {

            // Draw as normal
            if (isUndefined(regions) || !isWithinRegions(d[i].x, regions)) {
                s += " " + xValue(d[i]) + " " + yValue(d[i]);
            }
            // Draw with region // TODO: Fix for horizotal charts
            else {
                xp = $$.getScale(d[i - 1].x + xOffset, d[i].x + xOffset, $$.isTimeSeries());
                yp = $$.getScale(d[i - 1].value, d[i].value);

                dx = x(d[i].x) - x(d[i - 1].x);
                dy = y(d[i].value) - y(d[i - 1].value);
                dd = Math.sqrt(Math.pow(dx, 2) + Math.pow(dy, 2));
                diff = 2 / dd;
                diffx2 = diff * 2;

                for (j = diff; j <= 1; j += diffx2) {
                    s += sWithRegion(d[i - 1], d[i], j, diff);
                }
            }
            prev = d[i].x;
        }

        return s;
    };


    c3_chart_internal_fn.updateArea = function (durationForExit) {
        var $$ = this, d3 = $$.d3;
        $$.mainArea = $$.main.selectAll('.' + CLASS.areas).selectAll('.' + CLASS.area)
            .data($$.lineData.bind($$));
        $$.mainArea.enter().append('path')
            .attr("class", $$.classArea.bind($$))
            .style("fill", $$.color)
            .style("opacity", function () {
                $$.orgAreaOpacity = +d3.select(this).style('opacity');
                return 0;
            });
        $$.mainArea
            .style("opacity", $$.orgAreaOpacity);
        $$.mainArea.exit().transition().duration(durationForExit)
            .style('opacity', 0)
            .remove();
    };
    c3_chart_internal_fn.redrawArea = function (drawArea, withTransition) {
        return [
            (withTransition ? this.mainArea.transition(Math.random().toString()) : this.mainArea)
                .attr("d", drawArea)
                .style("fill", this.color)
                .style("opacity", this.orgAreaOpacity)
        ];
    };
    c3_chart_internal_fn.generateDrawArea = function (areaIndices, isSub) {
        var $$ = this, config = $$.config, area = $$.d3.svg.area(),
            getPoints = $$.generateGetAreaPoints(areaIndices, isSub),
            yScaleGetter = isSub ? $$.getSubYScale : $$.getYScale,
            xValue = function (d) {
                return (isSub ? $$.subxx : $$.xx).call($$, d);
            },
            value0 = function (d, i) {
                return config.data_groups.length > 0 ? getPoints(d, i)[0][1] : yScaleGetter.call($$, d.id)($$.getAreaBaseValue(d.id));
            },
            value1 = function (d, i) {
                return config.data_groups.length > 0 ? getPoints(d, i)[1][1] : yScaleGetter.call($$, d.id)(d.value);
            };

        area = config.axis_rotated ? area.x0(value0).x1(value1).y(xValue) : area.x(xValue).y0(config.area_above ? 0 : value0).y1(value1);
        if (!config.line_connectNull) {
            area = area.defined(function (d) {
                return d.value !== null;
            });
        }

        return function (d) {
            var values = config.line_connectNull ? $$.filterRemoveNull(d.values) : d.values,
                x0 = 0, y0 = 0, path;
            if ($$.isAreaType(d)) {
                if ($$.isStepType(d)) {
                    values = $$.convertValuesToStep(values);
                }
                path = area.interpolate($$.getInterpolate(d))(values);
            } else {
                if (values[0]) {
                    x0 = $$.x(values[0].x);
                    y0 = $$.getYScale(d.id)(values[0].value);
                }
                path = config.axis_rotated ? "M " + y0 + " " + x0 : "M " + x0 + " " + y0;
            }
            return path ? path : "M 0 0";
        };
    };
    c3_chart_internal_fn.getAreaBaseValue = function () {
        return 0;
    };
    c3_chart_internal_fn.generateGetAreaPoints = function (areaIndices, isSub) { // partial duplication of generateGetBarPoints
        var $$ = this, config = $$.config,
            areaTargetsNum = areaIndices.__max__ + 1,
            x = $$.getShapeX(0, areaTargetsNum, areaIndices, !!isSub),
            y = $$.getShapeY(!!isSub),
            areaOffset = $$.getShapeOffset($$.isAreaType, areaIndices, !!isSub),
            yScale = isSub ? $$.getSubYScale : $$.getYScale;
        return function (d, i) {
            var y0 = yScale.call($$, d.id)(0),
                offset = areaOffset(d, i) || y0, // offset is for stacked area chart
                posX = x(d), posY = y(d);
            // fix posY not to overflow opposite quadrant
            if (config.axis_rotated) {
                if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) {
                    posY = y0;
                }
            }
            // 1 point that marks the area position
            return [
                [posX, offset],
                [posX, posY - (y0 - offset)],
                [posX, posY - (y0 - offset)], // needed for compatibility
                [posX, offset] // needed for compatibility
            ];
        };
    };


    c3_chart_internal_fn.updateCircle = function () {
        var $$ = this;
        $$.mainCircle = $$.main.selectAll('.' + CLASS.circles).selectAll('.' + CLASS.circle)
            .data($$.lineOrScatterData.bind($$));
        $$.mainCircle.enter().append("circle")
            .attr("class", $$.classCircle.bind($$))
            .attr("r", $$.pointR.bind($$))
            .style("fill", $$.color);
        $$.mainCircle
            .style("opacity", $$.initialOpacityForCircle.bind($$));
        $$.mainCircle.exit().remove();
    };
    c3_chart_internal_fn.redrawCircle = function (cx, cy, withTransition) {
        var selectedCircles = this.main.selectAll('.' + CLASS.selectedCircle);
        return [
            (withTransition ? this.mainCircle.transition(Math.random().toString()) : this.mainCircle)
                .style('opacity', this.opacityForCircle.bind(this))
                .style("fill", this.color)
                .attr("cx", cx)
                .attr("cy", cy),
            (withTransition ? selectedCircles.transition(Math.random().toString()) : selectedCircles)
                .attr("cx", cx)
                .attr("cy", cy)
        ];
    };
    c3_chart_internal_fn.circleX = function (d) {
        return d.x || d.x === 0 ? this.x(d.x) : null;
    };
    c3_chart_internal_fn.updateCircleY = function () {
        var $$ = this, lineIndices, getPoints;
        if ($$.config.data_groups.length > 0) {
            lineIndices = $$.getShapeIndices($$.isLineType),
                getPoints = $$.generateGetLinePoints(lineIndices);
            $$.circleY = function (d, i) {
                return getPoints(d, i)[0][1];
            };
        } else {
            $$.circleY = function (d) {
                return $$.getYScale(d.id)(d.value);
            };
        }
    };
    c3_chart_internal_fn.getCircles = function (i, id) {
        var $$ = this;
        return (id ? $$.main.selectAll('.' + CLASS.circles + $$.getTargetSelectorSuffix(id)) : $$.main).selectAll('.' + CLASS.circle + (isValue(i) ? '-' + i : ''));
    };
    c3_chart_internal_fn.expandCircles = function (i, id, reset) {
        var $$ = this,
            r = $$.pointExpandedR.bind($$);
        if (reset) {
            $$.unexpandCircles();
        }
        $$.getCircles(i, id)
            .classed(CLASS.EXPANDED, true)
            .attr('r', r);
    };
    c3_chart_internal_fn.unexpandCircles = function (i) {
        var $$ = this,
            r = $$.pointR.bind($$);
        $$.getCircles(i)
            .filter(function () {
                return $$.d3.select(this).classed(CLASS.EXPANDED);
            })
            .classed(CLASS.EXPANDED, false)
            .attr('r', r);
    };
    c3_chart_internal_fn.pointR = function (d) {
        var $$ = this, config = $$.config;
        return $$.isStepType(d) ? 0 : (isFunction(config.point_r) ? config.point_r(d) : config.point_r);
    };
    c3_chart_internal_fn.pointExpandedR = function (d) {
        var $$ = this, config = $$.config;
        return config.point_focus_expand_enabled ? (config.point_focus_expand_r ? config.point_focus_expand_r : $$.pointR(d) * 1.75) : $$.pointR(d);
    };
    c3_chart_internal_fn.pointSelectR = function (d) {
        var $$ = this, config = $$.config;
        return isFunction(config.point_select_r) ? config.point_select_r(d) : ((config.point_select_r) ? config.point_select_r : $$.pointR(d) * 4);
    };
    c3_chart_internal_fn.isWithinCircle = function (that, r) {
        var d3 = this.d3,
            mouse = d3.mouse(that), d3_this = d3.select(that),
            cx = +d3_this.attr("cx"), cy = +d3_this.attr("cy");
        return Math.sqrt(Math.pow(cx - mouse[0], 2) + Math.pow(cy - mouse[1], 2)) < r;
    };
    c3_chart_internal_fn.isWithinStep = function (that, y) {
        return Math.abs(y - this.d3.mouse(that)[1]) < 30;
    };

    c3_chart_internal_fn.initBar = function () {
        var $$ = this;
        $$.main.select('.' + CLASS.chart).append("g")
            .attr("class", CLASS.chartBars);
    };
    c3_chart_internal_fn.updateTargetsForBar = function (targets) {
        var $$ = this, config = $$.config,
            mainBarUpdate, mainBarEnter,
            classChartBar = $$.classChartBar.bind($$),
            classBars = $$.classBars.bind($$),
            classFocus = $$.classFocus.bind($$);
        mainBarUpdate = $$.main.select('.' + CLASS.chartBars).selectAll('.' + CLASS.chartBar)
            .data(targets)
            .attr('class', function (d) {
                return classChartBar(d) + classFocus(d);
            });
        mainBarEnter = mainBarUpdate.enter().append('g')
            .attr('class', classChartBar)
            .style('opacity', 0)
            .style("pointer-events", "none");
        // Bars for each data
        mainBarEnter.append('g')
            .attr("class", classBars)
            .style("cursor", function (d) {
                return config.data_selection_isselectable(d) ? "pointer" : null;
            });

    };
    c3_chart_internal_fn.updateBar = function (durationForExit) {
        var $$ = this,
            barData = $$.barData.bind($$),
            classBar = $$.classBar.bind($$),
            initialOpacity = $$.initialOpacity.bind($$),
            color = function (d) {
                return $$.color(d.id);
            };
        $$.mainBar = $$.main.selectAll('.' + CLASS.bars).selectAll('.' + CLASS.bar)
            .data(barData);
        $$.mainBar.enter().append('path')
            .attr("class", classBar)
            .style("stroke", color)
            .style("fill", color);
        $$.mainBar
            .style("opacity", initialOpacity);
        $$.mainBar.exit().transition().duration(durationForExit)
            .style('opacity', 0)
            .remove();
    };
    c3_chart_internal_fn.redrawBar = function (drawBar, withTransition) {
        return [
            (withTransition ? this.mainBar.transition(Math.random().toString()) : this.mainBar)
                .attr('d', drawBar)
                .style("fill", this.color)
                .style("opacity", 1)
        ];
    };
    c3_chart_internal_fn.getBarW = function (axis, barTargetsNum) {
        var $$ = this, config = $$.config,
            w = typeof config.bar_width === 'number' ? config.bar_width : barTargetsNum ? (axis.tickInterval() * config.bar_width_ratio) / barTargetsNum : 0;
        return config.bar_width_max && w > config.bar_width_max ? config.bar_width_max : w;
    };
    c3_chart_internal_fn.getBars = function (i, id) {
        var $$ = this;
        return (id ? $$.main.selectAll('.' + CLASS.bars + $$.getTargetSelectorSuffix(id)) : $$.main).selectAll('.' + CLASS.bar + (isValue(i) ? '-' + i : ''));
    };
    c3_chart_internal_fn.expandBars = function (i, id, reset) {
        var $$ = this;
        if (reset) {
            $$.unexpandBars();
        }
        $$.getBars(i, id).classed(CLASS.EXPANDED, true);
    };
    c3_chart_internal_fn.unexpandBars = function (i) {
        var $$ = this;
        $$.getBars(i).classed(CLASS.EXPANDED, false);
    };
    c3_chart_internal_fn.generateDrawBar = function (barIndices, isSub) {
        var $$ = this, config = $$.config,
            getPoints = $$.generateGetBarPoints(barIndices, isSub);
        return function (d, i) {
            // 4 points that make a bar
            var points = getPoints(d, i);

            // switch points if axis is rotated, not applicable for sub chart
            var indexX = config.axis_rotated ? 1 : 0;
            var indexY = config.axis_rotated ? 0 : 1;

            var path = 'M ' + points[0][indexX] + ',' + points[0][indexY] + ' ' +
                'L' + points[1][indexX] + ',' + points[1][indexY] + ' ' +
                'L' + points[2][indexX] + ',' + points[2][indexY] + ' ' +
                'L' + points[3][indexX] + ',' + points[3][indexY] + ' ' +
                'z';

            return path;
        };
    };
    c3_chart_internal_fn.generateGetBarPoints = function (barIndices, isSub) {
        var $$ = this,
            axis = isSub ? $$.subXAxis : $$.xAxis,
            barTargetsNum = barIndices.__max__ + 1,
            barW = $$.getBarW(axis, barTargetsNum),
            barX = $$.getShapeX(barW, barTargetsNum, barIndices, !!isSub),
            barY = $$.getShapeY(!!isSub),
            barOffset = $$.getShapeOffset($$.isBarType, barIndices, !!isSub),
            yScale = isSub ? $$.getSubYScale : $$.getYScale;
        return function (d, i) {
            var y0 = yScale.call($$, d.id)(0),
                offset = barOffset(d, i) || y0, // offset is for stacked bar chart
                posX = barX(d), posY = barY(d);
            // fix posY not to overflow opposite quadrant
            if ($$.config.axis_rotated) {
                if ((0 < d.value && posY < y0) || (d.value < 0 && y0 < posY)) {
                    posY = y0;
                }
            }
            // 4 points that make a bar
            return [
                [posX, offset],
                [posX, posY - (y0 - offset)],
                [posX + barW, posY - (y0 - offset)],
                [posX + barW, offset]
            ];
        };
    };
    c3_chart_internal_fn.isWithinBar = function (that) {
        var mouse = this.d3.mouse(that), box = that.getBoundingClientRect(),
            seg0 = that.pathSegList.getItem(0), seg1 = that.pathSegList.getItem(1),
            x = Math.min(seg0.x, seg1.x), y = Math.min(seg0.y, seg1.y),
            w = box.width, h = box.height, offset = 2,
            sx = x - offset, ex = x + w + offset, sy = y + h + offset, ey = y - offset;
        return sx < mouse[0] && mouse[0] < ex && ey < mouse[1] && mouse[1] < sy;
    };

    c3_chart_internal_fn.initText = function () {
        var $$ = this;
        $$.main.select('.' + CLASS.chart).append("g")
            .attr("class", CLASS.chartTexts);
        $$.mainText = $$.d3.selectAll([]);
    };
    c3_chart_internal_fn.updateTargetsForText = function (targets) {
        var $$ = this, mainTextUpdate, mainTextEnter,
            classChartText = $$.classChartText.bind($$),
            classTexts = $$.classTexts.bind($$),
            classFocus = $$.classFocus.bind($$);
        mainTextUpdate = $$.main.select('.' + CLASS.chartTexts).selectAll('.' + CLASS.chartText)
            .data(targets)
            .attr('class', function (d) {
                return classChartText(d) + classFocus(d);
            });
        mainTextEnter = mainTextUpdate.enter().append('g')
            .attr('class', classChartText)
            .style('opacity', 0)
            .style("pointer-events", "none");
        mainTextEnter.append('g')
            .attr('class', classTexts);
    };
    c3_chart_internal_fn.updateText = function (durationForExit) {
        var $$ = this, config = $$.config,
            barOrLineData = $$.barOrLineData.bind($$),
            classText = $$.classText.bind($$);
        $$.mainText = $$.main.selectAll('.' + CLASS.texts).selectAll('.' + CLASS.text)
            .data(barOrLineData);
        $$.mainText.enter().append('text')
            .attr("class", classText)
            .attr('text-anchor', function (d) {
                return config.axis_rotated ? (d.value < 0 ? 'end' : 'start') : 'middle';
            })
            .style("stroke", 'none')
            .style("fill", function (d) {
                return $$.color(d);
            })
            .style("fill-opacity", 0);
        $$.mainText
            .text(function (d, i, j) {
                return $$.dataLabelFormat(d.id)(d.value, d.id, i, j);
            });
        $$.mainText.exit()
            .transition().duration(durationForExit)
            .style('fill-opacity', 0)
            .remove();
    };
    c3_chart_internal_fn.redrawText = function (xForText, yForText, forFlow, withTransition) {
        return [
            (withTransition ? this.mainText.transition() : this.mainText)
                .attr('x', xForText)
                .attr('y', yForText)
                .style("fill", this.color)
                .style("fill-opacity", forFlow ? 0 : this.opacityForText.bind(this))
        ];
    };
    c3_chart_internal_fn.getTextRect = function (text, cls, element) {
        var dummy = this.d3.select('body').append('div').classed('c3', true),
            svg = dummy.append("svg").style('visibility', 'hidden').style('position', 'fixed').style('top', 0).style('left', 0),
            font = this.d3.select(element).style('font'),
            rect;
        svg.selectAll('.dummy')
            .data([text])
            .enter().append('text')
            .classed(cls ? cls : "", true)
            .style('font', font)
            .text(text)
            .each(function () {
                rect = this.getBoundingClientRect();
            });
        dummy.remove();
        return rect;
    };
    c3_chart_internal_fn.generateXYForText = function (areaIndices, barIndices, lineIndices, forX) {
        var $$ = this,
            getAreaPoints = $$.generateGetAreaPoints(areaIndices, false),
            getBarPoints = $$.generateGetBarPoints(barIndices, false),
            getLinePoints = $$.generateGetLinePoints(lineIndices, false),
            getter = forX ? $$.getXForText : $$.getYForText;
        return function (d, i) {
            var getPoints = $$.isAreaType(d) ? getAreaPoints : $$.isBarType(d) ? getBarPoints : getLinePoints;
            return getter.call($$, getPoints(d, i), d, this);
        };
    };
    c3_chart_internal_fn.getXForText = function (points, d, textElement) {
        var $$ = this,
            box = textElement.getBoundingClientRect(), xPos, padding;
        if ($$.config.axis_rotated) {
            padding = $$.isBarType(d) ? 4 : 6;
            xPos = points[2][1] + padding * (d.value < 0 ? -1 : 1);
        } else {
            xPos = $$.hasType('bar') ? (points[2][0] + points[0][0]) / 2 : points[0][0];
        }
        // show labels regardless of the domain if value is null
        if (d.value === null) {
            if (xPos > $$.width) {
                xPos = $$.width - box.width;
            } else if (xPos < 0) {
                xPos = 4;
            }
        }
        return xPos;
    };
    c3_chart_internal_fn.getYForText = function (points, d, textElement) {
        var $$ = this,
            box = textElement.getBoundingClientRect(),
            yPos;
        if ($$.config.axis_rotated) {
            yPos = (points[0][0] + points[2][0] + box.height * 0.6) / 2;
        } else {
            yPos = points[2][1];
            if (d.value < 0 || (d.value === 0 && !$$.hasPositiveValue)) {
                yPos += box.height;
                if ($$.isBarType(d) && $$.isSafari()) {
                    yPos -= 3;
                }
                else if (!$$.isBarType(d) && $$.isChrome()) {
                    yPos += 3;
                }
            } else {
                yPos += $$.isBarType(d) ? -3 : -6;
            }
        }
        // show labels regardless of the domain if value is null
        if (d.value === null && !$$.config.axis_rotated) {
            if (yPos < box.height) {
                yPos = box.height;
            } else if (yPos > this.height) {
                yPos = this.height - 4;
            }
        }
        return yPos;
    };

    c3_chart_internal_fn.setTargetType = function (targetIds, type) {
        var $$ = this, config = $$.config;
        $$.mapToTargetIds(targetIds).forEach(function (id) {
            $$.withoutFadeIn[id] = (type === config.data_types[id]);
            config.data_types[id] = type;
        });
        if (!targetIds) {
            config.data_type = type;
        }
    };
    c3_chart_internal_fn.hasType = function (type, targets) {
        var $$ = this, types = $$.config.data_types, has = false;
        targets = targets || $$.data.targets;
        if (targets && targets.length) {
            targets.forEach(function (target) {
                var t = types[target.id];
                if ((t && t.indexOf(type) >= 0) || (!t && type === 'line')) {
                    has = true;
                }
            });
        } else if (Object.keys(types).length) {
            Object.keys(types).forEach(function (id) {
                if (types[id] === type) {
                    has = true;
                }
            });
        } else {
            has = $$.config.data_type === type;
        }
        return has;
    };
    c3_chart_internal_fn.hasArcType = function (targets) {
        return this.hasType('pie', targets) || this.hasType('donut', targets) || this.hasType('gauge', targets);
    };
    c3_chart_internal_fn.isLineType = function (d) {
        var config = this.config, id = isString(d) ? d : d.id;
        return !config.data_types[id] || ['line', 'spline', 'area', 'area-spline', 'step', 'area-step'].indexOf(config.data_types[id]) >= 0;
    };
    c3_chart_internal_fn.isStepType = function (d) {
        var id = isString(d) ? d : d.id;
        return ['step', 'area-step'].indexOf(this.config.data_types[id]) >= 0;
    };
    c3_chart_internal_fn.isSplineType = function (d) {
        var id = isString(d) ? d : d.id;
        return ['spline', 'area-spline'].indexOf(this.config.data_types[id]) >= 0;
    };
    c3_chart_internal_fn.isAreaType = function (d) {
        var id = isString(d) ? d : d.id;
        return ['area', 'area-spline', 'area-step'].indexOf(this.config.data_types[id]) >= 0;
    };
    c3_chart_internal_fn.isBarType = function (d) {
        var id = isString(d) ? d : d.id;
        return this.config.data_types[id] === 'bar';
    };
    c3_chart_internal_fn.isScatterType = function (d) {
        var id = isString(d) ? d : d.id;
        return this.config.data_types[id] === 'scatter';
    };
    c3_chart_internal_fn.isPieType = function (d) {
        var id = isString(d) ? d : d.id;
        return this.config.data_types[id] === 'pie';
    };
    c3_chart_internal_fn.isGaugeType = function (d) {
        var id = isString(d) ? d : d.id;
        return this.config.data_types[id] === 'gauge';
    };
    c3_chart_internal_fn.isDonutType = function (d) {
        var id = isString(d) ? d : d.id;
        return this.config.data_types[id] === 'donut';
    };
    c3_chart_internal_fn.isArcType = function (d) {
        return this.isPieType(d) || this.isDonutType(d) || this.isGaugeType(d);
    };
    c3_chart_internal_fn.lineData = function (d) {
        return this.isLineType(d) ? [d] : [];
    };
    c3_chart_internal_fn.arcData = function (d) {
        return this.isArcType(d.data) ? [d] : [];
    };
    /* not used
     function scatterData(d) {
     return isScatterType(d) ? d.values : [];
     }
     */
    c3_chart_internal_fn.barData = function (d) {
        return this.isBarType(d) ? d.values : [];
    };
    c3_chart_internal_fn.lineOrScatterData = function (d) {
        return this.isLineType(d) || this.isScatterType(d) ? d.values : [];
    };
    c3_chart_internal_fn.barOrLineData = function (d) {
        return this.isBarType(d) || this.isLineType(d) ? d.values : [];
    };
    c3_chart_internal_fn.isInterpolationType = function (type) {
        return ['linear', 'linear-closed', 'basis', 'basis-open', 'basis-closed', 'bundle', 'cardinal', 'cardinal-open', 'cardinal-closed', 'monotone'].indexOf(type) >= 0;
    };

    c3_chart_internal_fn.initGrid = function () {
        var $$ = this, config = $$.config, d3 = $$.d3;
        $$.grid = $$.main.append('g')
            .attr("clip-path", $$.clipPathForGrid)
            .attr('class', CLASS.grid);
        if (config.grid_x_show) {
            $$.grid.append("g").attr("class", CLASS.xgrids);
        }
        if (config.grid_y_show) {
            $$.grid.append('g').attr('class', CLASS.ygrids);
        }
        if (config.grid_focus_show) {
            $$.grid.append('g')
                .attr("class", CLASS.xgridFocus)
                .append('line')
                .attr('class', CLASS.xgridFocus);
        }
        $$.xgrid = d3.selectAll([]);
        if (!config.grid_lines_front) {
            $$.initGridLines();
        }
    };
    c3_chart_internal_fn.initGridLines = function () {
        var $$ = this, d3 = $$.d3;
        $$.gridLines = $$.main.append('g')
            .attr("clip-path", $$.clipPathForGrid)
            .attr('class', CLASS.grid + ' ' + CLASS.gridLines);
        $$.gridLines.append('g').attr("class", CLASS.xgridLines);
        $$.gridLines.append('g').attr('class', CLASS.ygridLines);
        $$.xgridLines = d3.selectAll([]);
    };
    c3_chart_internal_fn.updateXGrid = function (withoutUpdate) {
        var $$ = this, config = $$.config, d3 = $$.d3,
            xgridData = $$.generateGridData(config.grid_x_type, $$.x),
            tickOffset = $$.isCategorized() ? $$.xAxis.tickOffset() : 0;

        $$.xgridAttr = config.axis_rotated ? {
            'x1': 0,
            'x2': $$.width,
            'y1': function (d) {
                return $$.x(d) - tickOffset;
            },
            'y2': function (d) {
                return $$.x(d) - tickOffset;
            }
        } : {
            'x1': function (d) {
                return $$.x(d) + tickOffset;
            },
            'x2': function (d) {
                return $$.x(d) + tickOffset;
            },
            'y1': 0,
            'y2': $$.height
        };

        $$.xgrid = $$.main.select('.' + CLASS.xgrids).selectAll('.' + CLASS.xgrid)
            .data(xgridData);
        $$.xgrid.enter().append('line').attr("class", CLASS.xgrid);
        if (!withoutUpdate) {
            $$.xgrid.attr($$.xgridAttr)
                .style("opacity", function () {
                    return +d3.select(this).attr(config.axis_rotated ? 'y1' : 'x1') === (config.axis_rotated ? $$.height : 0) ? 0 : 1;
                });
        }
        $$.xgrid.exit().remove();
    };

    c3_chart_internal_fn.updateYGrid = function () {
        var $$ = this, config = $$.config,
            gridValues = $$.yAxis.tickValues() || $$.y.ticks(config.grid_y_ticks);
        $$.ygrid = $$.main.select('.' + CLASS.ygrids).selectAll('.' + CLASS.ygrid)
            .data(gridValues);
        $$.ygrid.enter().append('line')
            .attr('class', CLASS.ygrid);
        $$.ygrid.attr("x1", config.axis_rotated ? $$.y : 0)
            .attr("x2", config.axis_rotated ? $$.y : $$.width)
            .attr("y1", config.axis_rotated ? 0 : $$.y)
            .attr("y2", config.axis_rotated ? $$.height : $$.y);
        $$.ygrid.exit().remove();
        $$.smoothLines($$.ygrid, 'grid');
    };

    c3_chart_internal_fn.gridTextAnchor = function (d) {
        return d.position ? d.position : "end";
    };
    c3_chart_internal_fn.gridTextDx = function (d) {
        return d.position === 'start' ? 4 : d.position === 'middle' ? 0 : -4;
    };
    c3_chart_internal_fn.xGridTextX = function (d) {
        return d.position === 'start' ? -this.height : d.position === 'middle' ? -this.height / 2 : 0;
    };
    c3_chart_internal_fn.yGridTextX = function (d) {
        return d.position === 'start' ? 0 : d.position === 'middle' ? this.width / 2 : this.width;
    };
    c3_chart_internal_fn.updateGrid = function (duration) {
        var $$ = this, main = $$.main, config = $$.config,
            xgridLine, ygridLine, yv;

        // hide if arc type
        $$.grid.style('visibility', $$.hasArcType() ? 'hidden' : 'visible');

        main.select('line.' + CLASS.xgridFocus).style("visibility", "hidden");
        if (config.grid_x_show) {
            $$.updateXGrid();
        }
        $$.xgridLines = main.select('.' + CLASS.xgridLines).selectAll('.' + CLASS.xgridLine)
            .data(config.grid_x_lines);
        // enter
        xgridLine = $$.xgridLines.enter().append('g')
            .attr("class", function (d) {
                return CLASS.xgridLine + (d['class'] ? ' ' + d['class'] : '');
            });
        xgridLine.append('line')
            .style("opacity", 0);
        xgridLine.append('text')
            .attr("text-anchor", $$.gridTextAnchor)
            .attr("transform", config.axis_rotated ? "" : "rotate(-90)")
            .attr('dx', $$.gridTextDx)
            .attr('dy', -5)
            .style("opacity", 0);
        // udpate
        // done in d3.transition() of the end of this function
        // exit
        $$.xgridLines.exit().transition().duration(duration)
            .style("opacity", 0)
            .remove();

        // Y-Grid
        if (config.grid_y_show) {
            $$.updateYGrid();
        }
        $$.ygridLines = main.select('.' + CLASS.ygridLines).selectAll('.' + CLASS.ygridLine)
            .data(config.grid_y_lines);
        // enter
        ygridLine = $$.ygridLines.enter().append('g')
            .attr("class", function (d) {
                return CLASS.ygridLine + (d['class'] ? ' ' + d['class'] : '');
            });
        ygridLine.append('line')
            .style("opacity", 0);
        ygridLine.append('text')
            .attr("text-anchor", $$.gridTextAnchor)
            .attr("transform", config.axis_rotated ? "rotate(-90)" : "")
            .attr('dx', $$.gridTextDx)
            .attr('dy', -5)
            .style("opacity", 0);
        // update
        yv = $$.yv.bind($$);
        $$.ygridLines.select('line')
            .transition().duration(duration)
            .attr("x1", config.axis_rotated ? yv : 0)
            .attr("x2", config.axis_rotated ? yv : $$.width)
            .attr("y1", config.axis_rotated ? 0 : yv)
            .attr("y2", config.axis_rotated ? $$.height : yv)
            .style("opacity", 1);
        $$.ygridLines.select('text')
            .transition().duration(duration)
            .attr("x", config.axis_rotated ? $$.xGridTextX.bind($$) : $$.yGridTextX.bind($$))
            .attr("y", yv)
            .text(function (d) {
                return d.text;
            })
            .style("opacity", 1);
        // exit
        $$.ygridLines.exit().transition().duration(duration)
            .style("opacity", 0)
            .remove();
    };
    c3_chart_internal_fn.redrawGrid = function (withTransition) {
        var $$ = this, config = $$.config, xv = $$.xv.bind($$),
            lines = $$.xgridLines.select('line'),
            texts = $$.xgridLines.select('text');
        return [
            (withTransition ? lines.transition() : lines)
                .attr("x1", config.axis_rotated ? 0 : xv)
                .attr("x2", config.axis_rotated ? $$.width : xv)
                .attr("y1", config.axis_rotated ? xv : 0)
                .attr("y2", config.axis_rotated ? xv : $$.height)
                .style("opacity", 1),
            (withTransition ? texts.transition() : texts)
                .attr("x", config.axis_rotated ? $$.yGridTextX.bind($$) : $$.xGridTextX.bind($$))
                .attr("y", xv)
                .text(function (d) {
                    return d.text;
                })
                .style("opacity", 1)
        ];
    };
    c3_chart_internal_fn.showXGridFocus = function (selectedData) {
        var $$ = this, config = $$.config,
            dataToShow = selectedData.filter(function (d) {
                return d && isValue(d.value);
            }),
            focusEl = $$.main.selectAll('line.' + CLASS.xgridFocus),
            xx = $$.xx.bind($$);
        if (!config.tooltip_show) {
            return;
        }
        // Hide when scatter plot exists
        if ($$.hasType('scatter') || $$.hasArcType()) {
            return;
        }
        focusEl
            .style("visibility", "visible")
            .data([dataToShow[0]])
            .attr(config.axis_rotated ? 'y1' : 'x1', xx)
            .attr(config.axis_rotated ? 'y2' : 'x2', xx);
        $$.smoothLines(focusEl, 'grid');
    };
    c3_chart_internal_fn.hideXGridFocus = function () {
        this.main.select('line.' + CLASS.xgridFocus).style("visibility", "hidden");
    };
    c3_chart_internal_fn.updateXgridFocus = function () {
        var $$ = this, config = $$.config;
        $$.main.select('line.' + CLASS.xgridFocus)
            .attr("x1", config.axis_rotated ? 0 : -10)
            .attr("x2", config.axis_rotated ? $$.width : -10)
            .attr("y1", config.axis_rotated ? -10 : 0)
            .attr("y2", config.axis_rotated ? -10 : $$.height);
    };
    c3_chart_internal_fn.generateGridData = function (type, scale) {
        var $$ = this,
            gridData = [], xDomain, firstYear, lastYear, i,
            tickNum = $$.main.select("." + CLASS.axisX).selectAll('.tick').size();
        if (type === 'year') {
            xDomain = $$.getXDomain();
            firstYear = xDomain[0].getFullYear();
            lastYear = xDomain[1].getFullYear();
            for (i = firstYear; i <= lastYear; i++) {
                gridData.push(new Date(i + '-01-01 00:00:00'));
            }
        } else {
            gridData = scale.ticks(10);
            if (gridData.length > tickNum) { // use only int
                gridData = gridData.filter(function (d) {
                    return ("" + d).indexOf('.') < 0;
                });
            }
        }
        return gridData;
    };
    c3_chart_internal_fn.getGridFilterToRemove = function (params) {
        return params ? function (line) {
            var found = false;
            [].concat(params).forEach(function (param) {
                if ((('value' in param && line.value === param.value) || ('class' in param && line['class'] === param['class']))) {
                    found = true;
                }
            });
            return found;
        } : function () {
            return true;
        };
    };
    c3_chart_internal_fn.removeGridLines = function (params, forX) {
        var $$ = this, config = $$.config,
            toRemove = $$.getGridFilterToRemove(params),
            toShow = function (line) {
                return !toRemove(line);
            },
            classLines = forX ? CLASS.xgridLines : CLASS.ygridLines,
            classLine = forX ? CLASS.xgridLine : CLASS.ygridLine;
        $$.main.select('.' + classLines).selectAll('.' + classLine).filter(toRemove)
            .transition().duration(config.transition_duration)
            .style('opacity', 0).remove();
        if (forX) {
            config.grid_x_lines = config.grid_x_lines.filter(toShow);
        } else {
            config.grid_y_lines = config.grid_y_lines.filter(toShow);
        }
    };

    c3_chart_internal_fn.initTooltip = function () {
        var $$ = this, config = $$.config, i;
        $$.tooltip = $$.selectChart
            .style("position", "relative")
            .append("div")
            .attr('class', CLASS.tooltipContainer)
            .style("position", "absolute")
            .style("pointer-events", "none")
            .style("display", "none");
        // Show tooltip if needed
        if (config.tooltip_init_show) {
            if ($$.isTimeSeries() && isString(config.tooltip_init_x)) {
                config.tooltip_init_x = $$.parseDate(config.tooltip_init_x);
                for (i = 0; i < $$.data.targets[0].values.length; i++) {
                    if (($$.data.targets[0].values[i].x - config.tooltip_init_x) === 0) {
                        break;
                    }
                }
                config.tooltip_init_x = i;
            }
            $$.tooltip.html(config.tooltip_contents.call($$, $$.data.targets.map(function (d) {
                return $$.addName(d.values[config.tooltip_init_x]);
            }), $$.axis.getXAxisTickFormat(), $$.getYFormat($$.hasArcType()), $$.color));
            $$.tooltip.style("top", config.tooltip_init_position.top)
                .style("left", config.tooltip_init_position.left)
                .style("display", "block");
        }
    };
    c3_chart_internal_fn.getTooltipContent = function (d, defaultTitleFormat, defaultValueFormat, color) {
        var $$ = this, config = $$.config,
            titleFormat = config.tooltip_format_title || defaultTitleFormat,
            nameFormat = config.tooltip_format_name || function (name) {
                return name;
            },
            valueFormat = config.tooltip_format_value || defaultValueFormat,
            text, i, title, value, name, bgcolor,
            orderAsc = $$.isOrderAsc();

        if (config.data_groups.length === 0) {
            d.sort(function (a, b) {
                var v1 = a ? a.value : null, v2 = b ? b.value : null;
                return orderAsc ? v1 - v2 : v2 - v1;
            });
        } else {
            var ids = $$.orderTargets($$.data.targets).map(function (i) {
                return i.id;
            });
            d.sort(function (a, b) {
                var v1 = a ? a.value : null, v2 = b ? b.value : null;
                if (v1 > 0 && v2 > 0) {
                    v1 = a ? ids.indexOf(a.id) : null;
                    v2 = b ? ids.indexOf(b.id) : null;
                }
                return orderAsc ? v1 - v2 : v2 - v1;
            });
        }

        for (i = 0; i < d.length; i++) {
            if (!(d[i] && (d[i].value || d[i].value === 0))) {
                continue;
            }

            if (!text) {
                title = sanitise(titleFormat ? titleFormat(d[i].x) : d[i].x);
                text = "" + (title || title === 0 ? "" : "");
            }

            value = sanitise(valueFormat(d[i].value, d[i].ratio, d[i].id, d[i].index, d));
            if (value !== undefined) {
                // Skip elements when their name is set to null
                if (d[i].name === null) {
                    continue;
                }
                name = sanitise(nameFormat(d[i].name, d[i].ratio, d[i].id, d[i].index));
                bgcolor = $$.levelColor ? $$.levelColor(d[i].value) : color(d[i].id);

                text += "";
                text += "";
                text += "";
                text += "";
            }
        }
        return text + "
" + title + "
" + name + "" + value + "
"; }; c3_chart_internal_fn.tooltipPosition = function (dataToShow, tWidth, tHeight, element) { var $$ = this, config = $$.config, d3 = $$.d3; var svgLeft, tooltipLeft, tooltipRight, tooltipTop, chartRight; var forArc = $$.hasArcType(), mouse = d3.mouse(element); // Determin tooltip position if (forArc) { tooltipLeft = (($$.width - ($$.isLegendRight ? $$.getLegendWidth() : 0)) / 2) + mouse[0]; tooltipTop = ($$.height / 2) + mouse[1] + 20; } else { svgLeft = $$.getSvgLeft(true); if (config.axis_rotated) { tooltipLeft = svgLeft + mouse[0] + 100; tooltipRight = tooltipLeft + tWidth; chartRight = $$.currentWidth - $$.getCurrentPaddingRight(); tooltipTop = $$.x(dataToShow[0].x) + 20; } else { tooltipLeft = svgLeft + $$.getCurrentPaddingLeft(true) + $$.x(dataToShow[0].x) + 20; tooltipRight = tooltipLeft + tWidth; chartRight = svgLeft + $$.currentWidth - $$.getCurrentPaddingRight(); tooltipTop = mouse[1] + 15; } if (tooltipRight > chartRight) { // 20 is needed for Firefox to keep tooltip width tooltipLeft -= tooltipRight - chartRight + 20; } if (tooltipTop + tHeight > $$.currentHeight) { tooltipTop -= tHeight + 30; } } if (tooltipTop < 0) { tooltipTop = 0; } return {top: tooltipTop, left: tooltipLeft}; }; c3_chart_internal_fn.showTooltip = function (selectedData, element) { var $$ = this, config = $$.config; var tWidth, tHeight, position; var forArc = $$.hasArcType(), dataToShow = selectedData.filter(function (d) { return d && isValue(d.value); }), positionFunction = config.tooltip_position || c3_chart_internal_fn.tooltipPosition; if (dataToShow.length === 0 || !config.tooltip_show) { return; } $$.tooltip.html(config.tooltip_contents.call($$, selectedData, $$.axis.getXAxisTickFormat(), $$.getYFormat(forArc), $$.color)).style("display", "block"); // Get tooltip dimensions tWidth = $$.tooltip.property('offsetWidth'); tHeight = $$.tooltip.property('offsetHeight'); position = positionFunction.call(this, dataToShow, tWidth, tHeight, element); // Set tooltip $$.tooltip .style("top", position.top + "px") .style("left", position.left + 'px'); }; c3_chart_internal_fn.hideTooltip = function () { this.tooltip.style("display", "none"); }; c3_chart_internal_fn.initLegend = function () { var $$ = this; $$.legendItemTextBox = {}; $$.legendHasRendered = false; $$.legend = $$.svg.append("g").attr("transform", $$.getTranslate('legend')); if (!$$.config.legend_show) { $$.legend.style('visibility', 'hidden'); $$.hiddenLegendIds = $$.mapToIds($$.data.targets); return; } // MEMO: call here to update legend box and tranlate for all // MEMO: translate will be upated by this, so transform not needed in updateLegend() $$.updateLegendWithDefaults(); }; c3_chart_internal_fn.updateLegendWithDefaults = function () { var $$ = this; $$.updateLegend($$.mapToIds($$.data.targets), { withTransform: false, withTransitionForTransform: false, withTransition: false }); }; c3_chart_internal_fn.updateSizeForLegend = function (legendHeight, legendWidth) { var $$ = this, config = $$.config, insetLegendPosition = { top: $$.isLegendTop ? $$.getCurrentPaddingTop() + config.legend_inset_y + 5.5 : $$.currentHeight - legendHeight - $$.getCurrentPaddingBottom() - config.legend_inset_y, left: $$.isLegendLeft ? $$.getCurrentPaddingLeft() + config.legend_inset_x + 0.5 : $$.currentWidth - legendWidth - $$.getCurrentPaddingRight() - config.legend_inset_x + 0.5 }; $$.margin3 = { top: $$.isLegendRight ? 0 : $$.isLegendInset ? insetLegendPosition.top : $$.currentHeight - legendHeight, right: NaN, bottom: 0, left: $$.isLegendRight ? $$.currentWidth - legendWidth : $$.isLegendInset ? insetLegendPosition.left : 0 }; }; c3_chart_internal_fn.transformLegend = function (withTransition) { var $$ = this; (withTransition ? $$.legend.transition() : $$.legend).attr("transform", $$.getTranslate('legend')); }; c3_chart_internal_fn.updateLegendStep = function (step) { this.legendStep = step; }; c3_chart_internal_fn.updateLegendItemWidth = function (w) { this.legendItemWidth = w; }; c3_chart_internal_fn.updateLegendItemHeight = function (h) { this.legendItemHeight = h; }; c3_chart_internal_fn.getLegendWidth = function () { var $$ = this; return $$.config.legend_show ? $$.isLegendRight || $$.isLegendInset ? $$.legendItemWidth * ($$.legendStep + 1) : $$.currentWidth : 0; }; c3_chart_internal_fn.getLegendHeight = function () { var $$ = this, h = 0; if ($$.config.legend_show) { if ($$.isLegendRight) { h = $$.currentHeight; } else { h = Math.max(20, $$.legendItemHeight) * ($$.legendStep + 1); } } return h; }; c3_chart_internal_fn.opacityForLegend = function (legendItem) { return legendItem.classed(CLASS.legendItemHidden) ? null : 1; }; c3_chart_internal_fn.opacityForUnfocusedLegend = function (legendItem) { return legendItem.classed(CLASS.legendItemHidden) ? null : 0.3; }; c3_chart_internal_fn.toggleFocusLegend = function (targetIds, focus) { var $$ = this; targetIds = $$.mapToTargetIds(targetIds); $$.legend.selectAll('.' + CLASS.legendItem) .filter(function (id) { return targetIds.indexOf(id) >= 0; }) .classed(CLASS.legendItemFocused, focus) .transition().duration(100) .style('opacity', function () { var opacity = focus ? $$.opacityForLegend : $$.opacityForUnfocusedLegend; return opacity.call($$, $$.d3.select(this)); }); }; c3_chart_internal_fn.revertLegend = function () { var $$ = this, d3 = $$.d3; $$.legend.selectAll('.' + CLASS.legendItem) .classed(CLASS.legendItemFocused, false) .transition().duration(100) .style('opacity', function () { return $$.opacityForLegend(d3.select(this)); }); }; c3_chart_internal_fn.showLegend = function (targetIds) { var $$ = this, config = $$.config; if (!config.legend_show) { config.legend_show = true; $$.legend.style('visibility', 'visible'); if (!$$.legendHasRendered) { $$.updateLegendWithDefaults(); } } $$.removeHiddenLegendIds(targetIds); $$.legend.selectAll($$.selectorLegends(targetIds)) .style('visibility', 'visible') .transition() .style('opacity', function () { return $$.opacityForLegend($$.d3.select(this)); }); }; c3_chart_internal_fn.hideLegend = function (targetIds) { var $$ = this, config = $$.config; if (config.legend_show && isEmpty(targetIds)) { config.legend_show = false; $$.legend.style('visibility', 'hidden'); } $$.addHiddenLegendIds(targetIds); $$.legend.selectAll($$.selectorLegends(targetIds)) .style('opacity', 0) .style('visibility', 'hidden'); }; c3_chart_internal_fn.clearLegendItemTextBoxCache = function () { this.legendItemTextBox = {}; }; c3_chart_internal_fn.updateLegend = function (targetIds, options, transitions) { var $$ = this, config = $$.config; var xForLegend, xForLegendText, xForLegendRect, yForLegend, yForLegendText, yForLegendRect, x1ForLegendTile, x2ForLegendTile, yForLegendTile; var paddingTop = 4, paddingRight = 10, maxWidth = 0, maxHeight = 0, posMin = 10, tileWidth = config.legend_item_tile_width + 5; var l, totalLength = 0, offsets = {}, widths = {}, heights = {}, margins = [0], steps = {}, step = 0; var withTransition, withTransitionForTransform; var texts, rects, tiles, background; // Skip elements when their name is set to null targetIds = targetIds.filter(function (id) { return !isDefined(config.data_names[id]) || config.data_names[id] !== null; }); options = options || {}; withTransition = getOption(options, "withTransition", true); withTransitionForTransform = getOption(options, "withTransitionForTransform", true); function getTextBox(textElement, id) { if (!$$.legendItemTextBox[id]) { $$.legendItemTextBox[id] = $$.getTextRect(textElement.textContent, CLASS.legendItem, textElement); } return $$.legendItemTextBox[id]; } function updatePositions(textElement, id, index) { var reset = index === 0, isLast = index === targetIds.length - 1, box = getTextBox(textElement, id), itemWidth = box.width + tileWidth + (isLast && !($$.isLegendRight || $$.isLegendInset) ? 0 : paddingRight) + config.legend_padding, itemHeight = box.height + paddingTop, itemLength = $$.isLegendRight || $$.isLegendInset ? itemHeight : itemWidth, areaLength = $$.isLegendRight || $$.isLegendInset ? $$.getLegendHeight() : $$.getLegendWidth(), margin, maxLength; // MEMO: care about condifion of step, totalLength function updateValues(id, withoutStep) { if (!withoutStep) { margin = (areaLength - totalLength - itemLength) / 2; if (margin < posMin) { margin = (areaLength - itemLength) / 2; totalLength = 0; step++; } } steps[id] = step; margins[step] = $$.isLegendInset ? 10 : margin; offsets[id] = totalLength; totalLength += itemLength; } if (reset) { totalLength = 0; step = 0; maxWidth = 0; maxHeight = 0; } if (config.legend_show && !$$.isLegendToShow(id)) { widths[id] = heights[id] = steps[id] = offsets[id] = 0; return; } widths[id] = itemWidth; heights[id] = itemHeight; if (!maxWidth || itemWidth >= maxWidth) { maxWidth = itemWidth; } if (!maxHeight || itemHeight >= maxHeight) { maxHeight = itemHeight; } maxLength = $$.isLegendRight || $$.isLegendInset ? maxHeight : maxWidth; if (config.legend_equally) { Object.keys(widths).forEach(function (id) { widths[id] = maxWidth; }); Object.keys(heights).forEach(function (id) { heights[id] = maxHeight; }); margin = (areaLength - maxLength * targetIds.length) / 2; if (margin < posMin) { totalLength = 0; step = 0; targetIds.forEach(function (id) { updateValues(id); }); } else { updateValues(id, true); } } else { updateValues(id); } } if ($$.isLegendInset) { step = config.legend_inset_step ? config.legend_inset_step : targetIds.length; $$.updateLegendStep(step); } if ($$.isLegendRight) { xForLegend = function (id) { return maxWidth * steps[id]; }; yForLegend = function (id) { return margins[steps[id]] + offsets[id]; }; } else if ($$.isLegendInset) { xForLegend = function (id) { return maxWidth * steps[id] + 10; }; yForLegend = function (id) { return margins[steps[id]] + offsets[id]; }; } else { xForLegend = function (id) { return margins[steps[id]] + offsets[id]; }; yForLegend = function (id) { return maxHeight * steps[id]; }; } xForLegendText = function (id, i) { return xForLegend(id, i) + 4 + config.legend_item_tile_width; }; yForLegendText = function (id, i) { return yForLegend(id, i) + 9; }; xForLegendRect = function (id, i) { return xForLegend(id, i); }; yForLegendRect = function (id, i) { return yForLegend(id, i) - 5; }; x1ForLegendTile = function (id, i) { return xForLegend(id, i) - 2; }; x2ForLegendTile = function (id, i) { return xForLegend(id, i) - 2 + config.legend_item_tile_width; }; yForLegendTile = function (id, i) { return yForLegend(id, i) + 4; }; // Define g for legend area l = $$.legend.selectAll('.' + CLASS.legendItem) .data(targetIds) .enter().append('g') .attr('class', function (id) { return $$.generateClass(CLASS.legendItem, id); }) .style('visibility', function (id) { return $$.isLegendToShow(id) ? 'visible' : 'hidden'; }) .style('cursor', 'pointer') .on('click', function (id) { if (config.legend_item_onclick) { config.legend_item_onclick.call($$, id); } else { if ($$.d3.event.altKey) { $$.api.hide(); $$.api.show(id); } else { $$.api.toggle(id); $$.isTargetToShow(id) ? $$.api.focus(id) : $$.api.revert(); } } }) .on('mouseover', function (id) { if (config.legend_item_onmouseover) { config.legend_item_onmouseover.call($$, id); } else { $$.d3.select(this).classed(CLASS.legendItemFocused, true); if (!$$.transiting && $$.isTargetToShow(id)) { $$.api.focus(id); } } }) .on('mouseout', function (id) { if (config.legend_item_onmouseout) { config.legend_item_onmouseout.call($$, id); } else { $$.d3.select(this).classed(CLASS.legendItemFocused, false); $$.api.revert(); } }); l.append('text') .text(function (id) { return isDefined(config.data_names[id]) ? config.data_names[id] : id; }) .each(function (id, i) { updatePositions(this, id, i); }) .style("pointer-events", "none") .attr('x', $$.isLegendRight || $$.isLegendInset ? xForLegendText : -200) .attr('y', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendText); l.append('rect') .attr("class", CLASS.legendItemEvent) .style('fill-opacity', 0) .attr('x', $$.isLegendRight || $$.isLegendInset ? xForLegendRect : -200) .attr('y', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendRect); l.append('line') .attr('class', CLASS.legendItemTile) .style('stroke', $$.color) .style("pointer-events", "none") .attr('x1', $$.isLegendRight || $$.isLegendInset ? x1ForLegendTile : -200) .attr('y1', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendTile) .attr('x2', $$.isLegendRight || $$.isLegendInset ? x2ForLegendTile : -200) .attr('y2', $$.isLegendRight || $$.isLegendInset ? -200 : yForLegendTile) .attr('stroke-width', config.legend_item_tile_height); // Set background for inset legend background = $$.legend.select('.' + CLASS.legendBackground + ' rect'); if ($$.isLegendInset && maxWidth > 0 && background.size() === 0) { background = $$.legend.insert('g', '.' + CLASS.legendItem) .attr("class", CLASS.legendBackground) .append('rect'); } texts = $$.legend.selectAll('text') .data(targetIds) .text(function (id) { return isDefined(config.data_names[id]) ? config.data_names[id] : id; }) // MEMO: needed for update .each(function (id, i) { updatePositions(this, id, i); }); (withTransition ? texts.transition() : texts) .attr('x', xForLegendText) .attr('y', yForLegendText); rects = $$.legend.selectAll('rect.' + CLASS.legendItemEvent) .data(targetIds); (withTransition ? rects.transition() : rects) .attr('width', function (id) { return widths[id]; }) .attr('height', function (id) { return heights[id]; }) .attr('x', xForLegendRect) .attr('y', yForLegendRect); tiles = $$.legend.selectAll('line.' + CLASS.legendItemTile) .data(targetIds); (withTransition ? tiles.transition() : tiles) .style('stroke', $$.color) .attr('x1', x1ForLegendTile) .attr('y1', yForLegendTile) .attr('x2', x2ForLegendTile) .attr('y2', yForLegendTile); if (background) { (withTransition ? background.transition() : background) .attr('height', $$.getLegendHeight() - 12) .attr('width', maxWidth * (step + 1) + 10); } // toggle legend state $$.legend.selectAll('.' + CLASS.legendItem) .classed(CLASS.legendItemHidden, function (id) { return !$$.isTargetToShow(id); }); // Update all to reflect change of legend $$.updateLegendItemWidth(maxWidth); $$.updateLegendItemHeight(maxHeight); $$.updateLegendStep(step); // Update size and scale $$.updateSizes(); $$.updateScales(); $$.updateSvgSize(); // Update g positions $$.transformAll(withTransitionForTransform, transitions); $$.legendHasRendered = true; }; c3_chart_internal_fn.initTitle = function () { var $$ = this; $$.title = $$.svg.append("text") .text($$.config.title_text) .attr("class", $$.CLASS.title); }; c3_chart_internal_fn.redrawTitle = function () { var $$ = this; $$.title .attr("x", $$.xForTitle.bind($$)) .attr("y", $$.yForTitle.bind($$)); }; c3_chart_internal_fn.xForTitle = function () { var $$ = this, config = $$.config, position = config.title_position || 'left', x; if (position.indexOf('right') >= 0) { x = $$.currentWidth - $$.getTextRect($$.title.node().textContent, $$.CLASS.title, $$.title.node()).width - config.title_padding.right; } else if (position.indexOf('center') >= 0) { x = ($$.currentWidth - $$.getTextRect($$.title.node().textContent, $$.CLASS.title, $$.title.node()).width) / 2; } else { // left x = config.title_padding.left; } return x; }; c3_chart_internal_fn.yForTitle = function () { var $$ = this; return $$.config.title_padding.top + $$.getTextRect($$.title.node().textContent, $$.CLASS.title, $$.title.node()).height; }; c3_chart_internal_fn.getTitlePadding = function () { var $$ = this; return $$.yForTitle() + $$.config.title_padding.bottom; }; function Axis(owner) { API.call(this, owner); } inherit(API, Axis); Axis.prototype.init = function init() { var $$ = this.owner, config = $$.config, main = $$.main; $$.axes.x = main.append("g") .attr("class", CLASS.axis + ' ' + CLASS.axisX) .attr("clip-path", $$.clipPathForXAxis) .attr("transform", $$.getTranslate('x')) .style("visibility", config.axis_x_show ? 'visible' : 'hidden'); $$.axes.x.append("text") .attr("class", CLASS.axisXLabel) .attr("transform", config.axis_rotated ? "rotate(-90)" : "") .style("text-anchor", this.textAnchorForXAxisLabel.bind(this)); $$.axes.y = main.append("g") .attr("class", CLASS.axis + ' ' + CLASS.axisY) .attr("clip-path", config.axis_y_inner ? "" : $$.clipPathForYAxis) .attr("transform", $$.getTranslate('y')) .style("visibility", config.axis_y_show ? 'visible' : 'hidden'); $$.axes.y.append("text") .attr("class", CLASS.axisYLabel) .attr("transform", config.axis_rotated ? "" : "rotate(-90)") .style("text-anchor", this.textAnchorForYAxisLabel.bind(this)); $$.axes.y2 = main.append("g") .attr("class", CLASS.axis + ' ' + CLASS.axisY2) // clip-path? .attr("transform", $$.getTranslate('y2')) .style("visibility", config.axis_y2_show ? 'visible' : 'hidden'); $$.axes.y2.append("text") .attr("class", CLASS.axisY2Label) .attr("transform", config.axis_rotated ? "" : "rotate(-90)") .style("text-anchor", this.textAnchorForY2AxisLabel.bind(this)); }; Axis.prototype.getXAxis = function getXAxis(scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition, withoutRotateTickText) { var $$ = this.owner, config = $$.config, axisParams = { isCategory: $$.isCategorized(), withOuterTick: withOuterTick, tickMultiline: config.axis_x_tick_multiline, tickWidth: config.axis_x_tick_width, tickTextRotate: withoutRotateTickText ? 0 : config.axis_x_tick_rotate, withoutTransition: withoutTransition, }, axis = c3_axis($$.d3, axisParams).scale(scale).orient(orient); if ($$.isTimeSeries() && tickValues && typeof tickValues !== "function") { tickValues = tickValues.map(function (v) { return $$.parseDate(v); }); } // Set tick axis.tickFormat(tickFormat).tickValues(tickValues); if ($$.isCategorized()) { axis.tickCentered(config.axis_x_tick_centered); if (isEmpty(config.axis_x_tick_culling)) { config.axis_x_tick_culling = false; } } return axis; }; Axis.prototype.updateXAxisTickValues = function updateXAxisTickValues(targets, axis) { var $$ = this.owner, config = $$.config, tickValues; if (config.axis_x_tick_fit || config.axis_x_tick_count) { tickValues = this.generateTickValues($$.mapTargetsToUniqueXs(targets), config.axis_x_tick_count, $$.isTimeSeries()); } if (axis) { axis.tickValues(tickValues); } else { $$.xAxis.tickValues(tickValues); $$.subXAxis.tickValues(tickValues); } return tickValues; }; Axis.prototype.getYAxis = function getYAxis(scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition, withoutRotateTickText) { var $$ = this.owner, config = $$.config, axisParams = { withOuterTick: withOuterTick, withoutTransition: withoutTransition, tickTextRotate: withoutRotateTickText ? 0 : config.axis_y_tick_rotate }, axis = c3_axis($$.d3, axisParams).scale(scale).orient(orient).tickFormat(tickFormat); if ($$.isTimeSeriesY()) { axis.ticks($$.d3.time[config.axis_y_tick_time_value], config.axis_y_tick_time_interval); } else { axis.tickValues(tickValues); } return axis; }; Axis.prototype.getId = function getId(id) { var config = this.owner.config; return id in config.data_axes ? config.data_axes[id] : 'y'; }; Axis.prototype.getXAxisTickFormat = function getXAxisTickFormat() { var $$ = this.owner, config = $$.config, format = $$.isTimeSeries() ? $$.defaultAxisTimeFormat : $$.isCategorized() ? $$.categoryName : function (v) { return v < 0 ? v.toFixed(0) : v; }; if (config.axis_x_tick_format) { if (isFunction(config.axis_x_tick_format)) { format = config.axis_x_tick_format; } else if ($$.isTimeSeries()) { format = function (date) { return date ? $$.axisTimeFormat(config.axis_x_tick_format)(date) : ""; }; } } return isFunction(format) ? function (v) { return format.call($$, v); } : format; }; Axis.prototype.getTickValues = function getTickValues(tickValues, axis) { return tickValues ? tickValues : axis ? axis.tickValues() : undefined; }; Axis.prototype.getXAxisTickValues = function getXAxisTickValues() { return this.getTickValues(this.owner.config.axis_x_tick_values, this.owner.xAxis); }; Axis.prototype.getYAxisTickValues = function getYAxisTickValues() { return this.getTickValues(this.owner.config.axis_y_tick_values, this.owner.yAxis); }; Axis.prototype.getY2AxisTickValues = function getY2AxisTickValues() { return this.getTickValues(this.owner.config.axis_y2_tick_values, this.owner.y2Axis); }; Axis.prototype.getLabelOptionByAxisId = function getLabelOptionByAxisId(axisId) { var $$ = this.owner, config = $$.config, option; if (axisId === 'y') { option = config.axis_y_label; } else if (axisId === 'y2') { option = config.axis_y2_label; } else if (axisId === 'x') { option = config.axis_x_label; } return option; }; Axis.prototype.getLabelText = function getLabelText(axisId) { var option = this.getLabelOptionByAxisId(axisId); return isString(option) ? option : option ? option.text : null; }; Axis.prototype.setLabelText = function setLabelText(axisId, text) { var $$ = this.owner, config = $$.config, option = this.getLabelOptionByAxisId(axisId); if (isString(option)) { if (axisId === 'y') { config.axis_y_label = text; } else if (axisId === 'y2') { config.axis_y2_label = text; } else if (axisId === 'x') { config.axis_x_label = text; } } else if (option) { option.text = text; } }; Axis.prototype.getLabelPosition = function getLabelPosition(axisId, defaultPosition) { var option = this.getLabelOptionByAxisId(axisId), position = (option && typeof option === 'object' && option.position) ? option.position : defaultPosition; return { isInner: position.indexOf('inner') >= 0, isOuter: position.indexOf('outer') >= 0, isLeft: position.indexOf('left') >= 0, isCenter: position.indexOf('center') >= 0, isRight: position.indexOf('right') >= 0, isTop: position.indexOf('top') >= 0, isMiddle: position.indexOf('middle') >= 0, isBottom: position.indexOf('bottom') >= 0 }; }; Axis.prototype.getXAxisLabelPosition = function getXAxisLabelPosition() { return this.getLabelPosition('x', this.owner.config.axis_rotated ? 'inner-top' : 'inner-right'); }; Axis.prototype.getYAxisLabelPosition = function getYAxisLabelPosition() { return this.getLabelPosition('y', this.owner.config.axis_rotated ? 'inner-right' : 'inner-top'); }; Axis.prototype.getY2AxisLabelPosition = function getY2AxisLabelPosition() { return this.getLabelPosition('y2', this.owner.config.axis_rotated ? 'inner-right' : 'inner-top'); }; Axis.prototype.getLabelPositionById = function getLabelPositionById(id) { return id === 'y2' ? this.getY2AxisLabelPosition() : id === 'y' ? this.getYAxisLabelPosition() : this.getXAxisLabelPosition(); }; Axis.prototype.textForXAxisLabel = function textForXAxisLabel() { return this.getLabelText('x'); }; Axis.prototype.textForYAxisLabel = function textForYAxisLabel() { return this.getLabelText('y'); }; Axis.prototype.textForY2AxisLabel = function textForY2AxisLabel() { return this.getLabelText('y2'); }; Axis.prototype.xForAxisLabel = function xForAxisLabel(forHorizontal, position) { var $$ = this.owner; if (forHorizontal) { return position.isLeft ? 0 : position.isCenter ? $$.width / 2 : $$.width; } else { return position.isBottom ? -$$.height : position.isMiddle ? -$$.height / 2 : 0; } }; Axis.prototype.dxForAxisLabel = function dxForAxisLabel(forHorizontal, position) { if (forHorizontal) { return position.isLeft ? "0.5em" : position.isRight ? "-0.5em" : "0"; } else { return position.isTop ? "-0.5em" : position.isBottom ? "0.5em" : "0"; } }; Axis.prototype.textAnchorForAxisLabel = function textAnchorForAxisLabel(forHorizontal, position) { if (forHorizontal) { return position.isLeft ? 'start' : position.isCenter ? 'middle' : 'end'; } else { return position.isBottom ? 'start' : position.isMiddle ? 'middle' : 'end'; } }; Axis.prototype.xForXAxisLabel = function xForXAxisLabel() { return this.xForAxisLabel(!this.owner.config.axis_rotated, this.getXAxisLabelPosition()); }; Axis.prototype.xForYAxisLabel = function xForYAxisLabel() { return this.xForAxisLabel(this.owner.config.axis_rotated, this.getYAxisLabelPosition()); }; Axis.prototype.xForY2AxisLabel = function xForY2AxisLabel() { return this.xForAxisLabel(this.owner.config.axis_rotated, this.getY2AxisLabelPosition()); }; Axis.prototype.dxForXAxisLabel = function dxForXAxisLabel() { return this.dxForAxisLabel(!this.owner.config.axis_rotated, this.getXAxisLabelPosition()); }; Axis.prototype.dxForYAxisLabel = function dxForYAxisLabel() { return this.dxForAxisLabel(this.owner.config.axis_rotated, this.getYAxisLabelPosition()); }; Axis.prototype.dxForY2AxisLabel = function dxForY2AxisLabel() { return this.dxForAxisLabel(this.owner.config.axis_rotated, this.getY2AxisLabelPosition()); }; Axis.prototype.dyForXAxisLabel = function dyForXAxisLabel() { var $$ = this.owner, config = $$.config, position = this.getXAxisLabelPosition(); if (config.axis_rotated) { return position.isInner ? "1.2em" : -25 - this.getMaxTickWidth('x'); } else { return position.isInner ? "-0.5em" : config.axis_x_height ? config.axis_x_height - 10 : "3em"; } }; Axis.prototype.dyForYAxisLabel = function dyForYAxisLabel() { var $$ = this.owner, position = this.getYAxisLabelPosition(); if ($$.config.axis_rotated) { return position.isInner ? "-0.5em" : "3em"; } else { return position.isInner ? "1.2em" : -10 - ($$.config.axis_y_inner ? 0 : (this.getMaxTickWidth('y') + 10)); } }; Axis.prototype.dyForY2AxisLabel = function dyForY2AxisLabel() { var $$ = this.owner, position = this.getY2AxisLabelPosition(); if ($$.config.axis_rotated) { return position.isInner ? "1.2em" : "-2.2em"; } else { return position.isInner ? "-0.5em" : 15 + ($$.config.axis_y2_inner ? 0 : (this.getMaxTickWidth('y2') + 15)); } }; Axis.prototype.textAnchorForXAxisLabel = function textAnchorForXAxisLabel() { var $$ = this.owner; return this.textAnchorForAxisLabel(!$$.config.axis_rotated, this.getXAxisLabelPosition()); }; Axis.prototype.textAnchorForYAxisLabel = function textAnchorForYAxisLabel() { var $$ = this.owner; return this.textAnchorForAxisLabel($$.config.axis_rotated, this.getYAxisLabelPosition()); }; Axis.prototype.textAnchorForY2AxisLabel = function textAnchorForY2AxisLabel() { var $$ = this.owner; return this.textAnchorForAxisLabel($$.config.axis_rotated, this.getY2AxisLabelPosition()); }; Axis.prototype.getMaxTickWidth = function getMaxTickWidth(id, withoutRecompute) { var $$ = this.owner, config = $$.config, maxWidth = 0, targetsToShow, scale, axis, dummy, svg; if (withoutRecompute && $$.currentMaxTickWidths[id]) { return $$.currentMaxTickWidths[id]; } if ($$.svg) { targetsToShow = $$.filterTargetsToShow($$.data.targets); if (id === 'y') { scale = $$.y.copy().domain($$.getYDomain(targetsToShow, 'y')); axis = this.getYAxis(scale, $$.yOrient, config.axis_y_tick_format, $$.yAxisTickValues, false, true, true); } else if (id === 'y2') { scale = $$.y2.copy().domain($$.getYDomain(targetsToShow, 'y2')); axis = this.getYAxis(scale, $$.y2Orient, config.axis_y2_tick_format, $$.y2AxisTickValues, false, true, true); } else { scale = $$.x.copy().domain($$.getXDomain(targetsToShow)); axis = this.getXAxis(scale, $$.xOrient, $$.xAxisTickFormat, $$.xAxisTickValues, false, true, true); this.updateXAxisTickValues(targetsToShow, axis); } dummy = $$.d3.select('body').append('div').classed('c3', true); svg = dummy.append("svg").style('visibility', 'hidden').style('position', 'fixed').style('top', 0).style('left', 0), svg.append('g').call(axis).each(function () { $$.d3.select(this).selectAll('text').each(function () { var box = this.getBoundingClientRect(); if (maxWidth < box.width) { maxWidth = box.width; } }); dummy.remove(); }); } $$.currentMaxTickWidths[id] = maxWidth <= 0 ? $$.currentMaxTickWidths[id] : maxWidth; return $$.currentMaxTickWidths[id]; }; Axis.prototype.updateLabels = function updateLabels(withTransition) { var $$ = this.owner; var axisXLabel = $$.main.select('.' + CLASS.axisX + ' .' + CLASS.axisXLabel), axisYLabel = $$.main.select('.' + CLASS.axisY + ' .' + CLASS.axisYLabel), axisY2Label = $$.main.select('.' + CLASS.axisY2 + ' .' + CLASS.axisY2Label); (withTransition ? axisXLabel.transition() : axisXLabel) .attr("x", this.xForXAxisLabel.bind(this)) .attr("dx", this.dxForXAxisLabel.bind(this)) .attr("dy", this.dyForXAxisLabel.bind(this)) .text(this.textForXAxisLabel.bind(this)); (withTransition ? axisYLabel.transition() : axisYLabel) .attr("x", this.xForYAxisLabel.bind(this)) .attr("dx", this.dxForYAxisLabel.bind(this)) .attr("dy", this.dyForYAxisLabel.bind(this)) .text(this.textForYAxisLabel.bind(this)); (withTransition ? axisY2Label.transition() : axisY2Label) .attr("x", this.xForY2AxisLabel.bind(this)) .attr("dx", this.dxForY2AxisLabel.bind(this)) .attr("dy", this.dyForY2AxisLabel.bind(this)) .text(this.textForY2AxisLabel.bind(this)); }; Axis.prototype.getPadding = function getPadding(padding, key, defaultValue, domainLength) { var p = typeof padding === 'number' ? padding : padding[key]; if (!isValue(p)) { return defaultValue; } if (padding.unit === 'ratio') { return padding[key] * domainLength; } // assume padding is pixels if unit is not specified return this.convertPixelsToAxisPadding(p, domainLength); }; Axis.prototype.convertPixelsToAxisPadding = function convertPixelsToAxisPadding(pixels, domainLength) { var $$ = this.owner, length = $$.config.axis_rotated ? $$.width : $$.height; return domainLength * (pixels / length); }; Axis.prototype.generateTickValues = function generateTickValues(values, tickCount, forTimeSeries) { var tickValues = values, targetCount, start, end, count, interval, i, tickValue; if (tickCount) { targetCount = isFunction(tickCount) ? tickCount() : tickCount; // compute ticks according to tickCount if (targetCount === 1) { tickValues = [values[0]]; } else if (targetCount === 2) { tickValues = [values[0], values[values.length - 1]]; } else if (targetCount > 2) { count = targetCount - 2; start = values[0]; end = values[values.length - 1]; interval = (end - start) / (count + 1); // re-construct unique values tickValues = [start]; for (i = 0; i < count; i++) { tickValue = +start + interval * (i + 1); tickValues.push(forTimeSeries ? new Date(tickValue) : tickValue); } tickValues.push(end); } } if (!forTimeSeries) { tickValues = tickValues.sort(function (a, b) { return a - b; }); } return tickValues; }; Axis.prototype.generateTransitions = function generateTransitions(duration) { var $$ = this.owner, axes = $$.axes; return { axisX: duration ? axes.x.transition().duration(duration) : axes.x, axisY: duration ? axes.y.transition().duration(duration) : axes.y, axisY2: duration ? axes.y2.transition().duration(duration) : axes.y2, axisSubX: duration ? axes.subx.transition().duration(duration) : axes.subx }; }; Axis.prototype.redraw = function redraw(transitions, isHidden) { var $$ = this.owner; $$.axes.x.style("opacity", isHidden ? 0 : 1); $$.axes.y.style("opacity", isHidden ? 0 : 1); $$.axes.y2.style("opacity", isHidden ? 0 : 1); $$.axes.subx.style("opacity", isHidden ? 0 : 1); transitions.axisX.call($$.xAxis); transitions.axisY.call($$.yAxis); transitions.axisY2.call($$.y2Axis); transitions.axisSubX.call($$.subXAxis); }; c3_chart_internal_fn.getClipPath = function (id) { var isIE9 = window.navigator.appVersion.toLowerCase().indexOf("msie 9.") >= 0; return "url(" + (isIE9 ? "" : document.URL.split('#')[0]) + "#" + id + ")"; }; c3_chart_internal_fn.appendClip = function (parent, id) { return parent.append("clipPath").attr("id", id).append("rect"); }; c3_chart_internal_fn.getAxisClipX = function (forHorizontal) { // axis line width + padding for left var left = Math.max(30, this.margin.left); return forHorizontal ? -(1 + left) : -(left - 1); }; c3_chart_internal_fn.getAxisClipY = function (forHorizontal) { return forHorizontal ? -20 : -this.margin.top; }; c3_chart_internal_fn.getXAxisClipX = function () { var $$ = this; return $$.getAxisClipX(!$$.config.axis_rotated); }; c3_chart_internal_fn.getXAxisClipY = function () { var $$ = this; return $$.getAxisClipY(!$$.config.axis_rotated); }; c3_chart_internal_fn.getYAxisClipX = function () { var $$ = this; return $$.config.axis_y_inner ? -1 : $$.getAxisClipX($$.config.axis_rotated); }; c3_chart_internal_fn.getYAxisClipY = function () { var $$ = this; return $$.getAxisClipY($$.config.axis_rotated); }; c3_chart_internal_fn.getAxisClipWidth = function (forHorizontal) { var $$ = this, left = Math.max(30, $$.margin.left), right = Math.max(30, $$.margin.right); // width + axis line width + padding for left/right return forHorizontal ? $$.width + 2 + left + right : $$.margin.left + 20; }; c3_chart_internal_fn.getAxisClipHeight = function (forHorizontal) { // less than 20 is not enough to show the axis label 'outer' without legend return (forHorizontal ? this.margin.bottom : (this.margin.top + this.height)) + 20; }; c3_chart_internal_fn.getXAxisClipWidth = function () { var $$ = this; return $$.getAxisClipWidth(!$$.config.axis_rotated); }; c3_chart_internal_fn.getXAxisClipHeight = function () { var $$ = this; return $$.getAxisClipHeight(!$$.config.axis_rotated); }; c3_chart_internal_fn.getYAxisClipWidth = function () { var $$ = this; return $$.getAxisClipWidth($$.config.axis_rotated) + ($$.config.axis_y_inner ? 20 : 0); }; c3_chart_internal_fn.getYAxisClipHeight = function () { var $$ = this; return $$.getAxisClipHeight($$.config.axis_rotated); }; c3_chart_internal_fn.initPie = function () { var $$ = this, d3 = $$.d3, config = $$.config; $$.pie = d3.layout.pie().value(function (d) { return d.values.reduce(function (a, b) { return a + b.value; }, 0); }); if (!config.data_order) { $$.pie.sort(null); } }; c3_chart_internal_fn.updateRadius = function () { var $$ = this, config = $$.config, w = config.gauge_width || config.donut_width; $$.radiusExpanded = Math.min($$.arcWidth, $$.arcHeight) / 2; $$.radius = $$.radiusExpanded * 0.95; $$.innerRadiusRatio = w ? ($$.radius - w) / $$.radius : 0.6; $$.innerRadius = $$.hasType('donut') || $$.hasType('gauge') ? $$.radius * $$.innerRadiusRatio : 0; }; c3_chart_internal_fn.updateArc = function () { var $$ = this; $$.svgArc = $$.getSvgArc(); $$.svgArcExpanded = $$.getSvgArcExpanded(); $$.svgArcExpandedSub = $$.getSvgArcExpanded(0.98); }; c3_chart_internal_fn.updateAngle = function (d) { var $$ = this, config = $$.config, found = false, index = 0, gMin, gMax, gTic, gValue; if (!config) { return null; } $$.pie($$.filterTargetsToShow($$.data.targets)).forEach(function (t) { if (!found && t.data.id === d.data.id) { found = true; d = t; d.index = index; } index++; }); if (isNaN(d.startAngle)) { d.startAngle = 0; } if (isNaN(d.endAngle)) { d.endAngle = d.startAngle; } if ($$.isGaugeType(d.data)) { gMin = config.gauge_min; gMax = config.gauge_max; gTic = (Math.PI * (config.gauge_fullCircle ? 2 : 1)) / (gMax - gMin); gValue = d.value < gMin ? 0 : d.value < gMax ? d.value - gMin : (gMax - gMin); d.startAngle = config.gauge_startingAngle; d.endAngle = d.startAngle + gTic * gValue; } return found ? d : null; }; c3_chart_internal_fn.getSvgArc = function () { var $$ = this, arc = $$.d3.svg.arc().outerRadius($$.radius).innerRadius($$.innerRadius), newArc = function (d, withoutUpdate) { var updated; if (withoutUpdate) { return arc(d); } // for interpolate updated = $$.updateAngle(d); return updated ? arc(updated) : "M 0 0"; }; // TODO: extends all function newArc.centroid = arc.centroid; return newArc; }; c3_chart_internal_fn.getSvgArcExpanded = function (rate) { var $$ = this, arc = $$.d3.svg.arc().outerRadius($$.radiusExpanded * (rate ? rate : 1)).innerRadius($$.innerRadius); return function (d) { var updated = $$.updateAngle(d); return updated ? arc(updated) : "M 0 0"; }; }; c3_chart_internal_fn.getArc = function (d, withoutUpdate, force) { return force || this.isArcType(d.data) ? this.svgArc(d, withoutUpdate) : "M 0 0"; }; c3_chart_internal_fn.transformForArcLabel = function (d) { var $$ = this, config = $$.config, updated = $$.updateAngle(d), c, x, y, h, ratio, translate = ""; if (updated && !$$.hasType('gauge')) { c = this.svgArc.centroid(updated); x = isNaN(c[0]) ? 0 : c[0]; y = isNaN(c[1]) ? 0 : c[1]; h = Math.sqrt(x * x + y * y); if ($$.hasType('donut') && config.donut_label_ratio) { ratio = isFunction(config.donut_label_ratio) ? config.donut_label_ratio(d, $$.radius, h) : config.donut_label_ratio; } else if ($$.hasType('pie') && config.pie_label_ratio) { ratio = isFunction(config.pie_label_ratio) ? config.pie_label_ratio(d, $$.radius, h) : config.pie_label_ratio; } else { ratio = $$.radius && h ? (36 / $$.radius > 0.375 ? 1.175 - 36 / $$.radius : 0.8) * $$.radius / h : 0; } translate = "translate(" + (x * ratio) + ',' + (y * ratio) + ")"; } return translate; }; c3_chart_internal_fn.getArcRatio = function (d) { var $$ = this, config = $$.config, whole = Math.PI * ($$.hasType('gauge') && !config.gauge_fullCircle ? 1 : 2); return d ? (d.endAngle - d.startAngle) / whole : null; }; c3_chart_internal_fn.convertToArcData = function (d) { return this.addName({ id: d.data.id, value: d.value, ratio: this.getArcRatio(d), index: d.index }); }; c3_chart_internal_fn.textForArcLabel = function (d) { var $$ = this, updated, value, ratio, id, format; if (!$$.shouldShowArcLabel()) { return ""; } updated = $$.updateAngle(d); value = updated ? updated.value : null; ratio = $$.getArcRatio(updated); id = d.data.id; if (!$$.hasType('gauge') && !$$.meetsArcLabelThreshold(ratio)) { return ""; } format = $$.getArcLabelFormat(); return format ? format(value, ratio, id) : $$.defaultArcValueFormat(value, ratio); }; c3_chart_internal_fn.expandArc = function (targetIds) { var $$ = this, interval; // MEMO: avoid to cancel transition if ($$.transiting) { interval = window.setInterval(function () { if (!$$.transiting) { window.clearInterval(interval); if ($$.legend.selectAll('.c3-legend-item-focused').size() > 0) { $$.expandArc(targetIds); } } }, 10); return; } targetIds = $$.mapToTargetIds(targetIds); $$.svg.selectAll($$.selectorTargets(targetIds, '.' + CLASS.chartArc)).each(function (d) { if (!$$.shouldExpand(d.data.id)) { return; } $$.d3.select(this).selectAll('path') .transition().duration($$.expandDuration(d.data.id)) .attr("d", $$.svgArcExpanded) .transition().duration($$.expandDuration(d.data.id) * 2) .attr("d", $$.svgArcExpandedSub) .each(function (d) { if ($$.isDonutType(d.data)) { // callback here } }); }); }; c3_chart_internal_fn.unexpandArc = function (targetIds) { var $$ = this; if ($$.transiting) { return; } targetIds = $$.mapToTargetIds(targetIds); $$.svg.selectAll($$.selectorTargets(targetIds, '.' + CLASS.chartArc)).selectAll('path') .transition().duration(function (d) { return $$.expandDuration(d.data.id); }) .attr("d", $$.svgArc); $$.svg.selectAll('.' + CLASS.arc) .style("opacity", 1); }; c3_chart_internal_fn.expandDuration = function (id) { var $$ = this, config = $$.config; if ($$.isDonutType(id)) { return config.donut_expand_duration; } else if ($$.isGaugeType(id)) { return config.gauge_expand_duration; } else if ($$.isPieType(id)) { return config.pie_expand_duration; } else { return 50; } }; c3_chart_internal_fn.shouldExpand = function (id) { var $$ = this, config = $$.config; return ($$.isDonutType(id) && config.donut_expand) || ($$.isGaugeType(id) && config.gauge_expand) || ($$.isPieType(id) && config.pie_expand); }; c3_chart_internal_fn.shouldShowArcLabel = function () { var $$ = this, config = $$.config, shouldShow = true; if ($$.hasType('donut')) { shouldShow = config.donut_label_show; } else if ($$.hasType('pie')) { shouldShow = config.pie_label_show; } // when gauge, always true return shouldShow; }; c3_chart_internal_fn.meetsArcLabelThreshold = function (ratio) { var $$ = this, config = $$.config, threshold = $$.hasType('donut') ? config.donut_label_threshold : config.pie_label_threshold; return ratio >= threshold; }; c3_chart_internal_fn.getArcLabelFormat = function () { var $$ = this, config = $$.config, format = config.pie_label_format; if ($$.hasType('gauge')) { format = config.gauge_label_format; } else if ($$.hasType('donut')) { format = config.donut_label_format; } return format; }; c3_chart_internal_fn.getArcTitle = function () { var $$ = this; return $$.hasType('donut') ? $$.config.donut_title : ""; }; c3_chart_internal_fn.updateTargetsForArc = function (targets) { var $$ = this, main = $$.main, mainPieUpdate, mainPieEnter, classChartArc = $$.classChartArc.bind($$), classArcs = $$.classArcs.bind($$), classFocus = $$.classFocus.bind($$); mainPieUpdate = main.select('.' + CLASS.chartArcs).selectAll('.' + CLASS.chartArc) .data($$.pie(targets)) .attr("class", function (d) { return classChartArc(d) + classFocus(d.data); }); mainPieEnter = mainPieUpdate.enter().append("g") .attr("class", classChartArc); mainPieEnter.append('g') .attr('class', classArcs); mainPieEnter.append("text") .attr("dy", $$.hasType('gauge') ? "-.1em" : ".35em") .style("opacity", 0) .style("text-anchor", "middle") .style("pointer-events", "none"); // MEMO: can not keep same color..., but not bad to update color in redraw //mainPieUpdate.exit().remove(); }; c3_chart_internal_fn.initArc = function () { var $$ = this; $$.arcs = $$.main.select('.' + CLASS.chart).append("g") .attr("class", CLASS.chartArcs) .attr("transform", $$.getTranslate('arc')); $$.arcs.append('text') .attr('class', CLASS.chartArcsTitle) .style("text-anchor", "middle") .text($$.getArcTitle()); }; c3_chart_internal_fn.redrawArc = function (duration, durationForExit, withTransform) { var $$ = this, d3 = $$.d3, config = $$.config, main = $$.main, mainArc; mainArc = main.selectAll('.' + CLASS.arcs).selectAll('.' + CLASS.arc) .data($$.arcData.bind($$)); mainArc.enter().append('path') .attr("class", $$.classArc.bind($$)) .style("fill", function (d) { return $$.color(d.data); }) .style("cursor", function (d) { return config.interaction_enabled && config.data_selection_isselectable(d) ? "pointer" : null; }) .style("opacity", 0) .each(function (d) { if ($$.isGaugeType(d.data)) { d.startAngle = d.endAngle = config.gauge_startingAngle; } this._current = d; }); mainArc .attr("transform", function (d) { return !$$.isGaugeType(d.data) && withTransform ? "scale(0)" : ""; }) .style("opacity", function (d) { return d === this._current ? 0 : 1; }) .on('mouseover', config.interaction_enabled ? function (d) { var updated, arcData; if ($$.transiting) { // skip while transiting return; } updated = $$.updateAngle(d); if (updated) { arcData = $$.convertToArcData(updated); // transitions $$.expandArc(updated.data.id); $$.api.focus(updated.data.id); $$.toggleFocusLegend(updated.data.id, true); $$.config.data_onmouseover(arcData, this); } } : null) .on('mousemove', config.interaction_enabled ? function (d) { var updated = $$.updateAngle(d), arcData, selectedData; if (updated) { arcData = $$.convertToArcData(updated), selectedData = [arcData]; $$.showTooltip(selectedData, this); } } : null) .on('mouseout', config.interaction_enabled ? function (d) { var updated, arcData; if ($$.transiting) { // skip while transiting return; } updated = $$.updateAngle(d); if (updated) { arcData = $$.convertToArcData(updated); // transitions $$.unexpandArc(updated.data.id); $$.api.revert(); $$.revertLegend(); $$.hideTooltip(); $$.config.data_onmouseout(arcData, this); } } : null) .on('click', config.interaction_enabled ? function (d, i) { var updated = $$.updateAngle(d), arcData; if (updated) { arcData = $$.convertToArcData(updated); if ($$.toggleShape) { $$.toggleShape(this, arcData, i); } $$.config.data_onclick.call($$.api, arcData, this); } } : null) .each(function () { $$.transiting = true; }) .transition().duration(duration) .attrTween("d", function (d) { var updated = $$.updateAngle(d), interpolate; if (!updated) { return function () { return "M 0 0"; }; } // if (this._current === d) { // this._current = { // startAngle: Math.PI*2, // endAngle: Math.PI*2, // }; // } if (isNaN(this._current.startAngle)) { this._current.startAngle = 0; } if (isNaN(this._current.endAngle)) { this._current.endAngle = this._current.startAngle; } interpolate = d3.interpolate(this._current, updated); this._current = interpolate(0); return function (t) { var interpolated = interpolate(t); interpolated.data = d.data; // data.id will be updated by interporator return $$.getArc(interpolated, true); }; }) .attr("transform", withTransform ? "scale(1)" : "") .style("fill", function (d) { return $$.levelColor ? $$.levelColor(d.data.values[0].value) : $$.color(d.data.id); }) // Where gauge reading color would receive customization. .style("opacity", 1) .call($$.endall, function () { $$.transiting = false; }); mainArc.exit().transition().duration(durationForExit) .style('opacity', 0) .remove(); main.selectAll('.' + CLASS.chartArc).select('text') .style("opacity", 0) .attr('class', function (d) { return $$.isGaugeType(d.data) ? CLASS.gaugeValue : ''; }) .text($$.textForArcLabel.bind($$)) .attr("transform", $$.transformForArcLabel.bind($$)) .style('font-size', function (d) { return $$.isGaugeType(d.data) ? Math.round($$.radius / 5) + 'px' : ''; }) .transition().duration(duration) .style("opacity", function (d) { return $$.isTargetToShow(d.data.id) && $$.isArcType(d.data) ? 1 : 0; }); main.select('.' + CLASS.chartArcsTitle) .style("opacity", $$.hasType('donut') || $$.hasType('gauge') ? 1 : 0); if ($$.hasType('gauge')) { $$.arcs.select('.' + CLASS.chartArcsBackground) .attr("d", function () { var d = { data: [{value: config.gauge_max}], startAngle: config.gauge_startingAngle, endAngle: -1 * config.gauge_startingAngle }; return $$.getArc(d, true, true); }); $$.arcs.select('.' + CLASS.chartArcsGaugeUnit) .attr("dy", ".75em") .text(config.gauge_label_show ? config.gauge_units : ''); $$.arcs.select('.' + CLASS.chartArcsGaugeMin) .attr("dx", -1 * ($$.innerRadius + (($$.radius - $$.innerRadius) / (config.gauge_fullCircle ? 1 : 2))) + "px") .attr("dy", "1.2em") .text(config.gauge_label_show ? config.gauge_min : ''); $$.arcs.select('.' + CLASS.chartArcsGaugeMax) .attr("dx", $$.innerRadius + (($$.radius - $$.innerRadius) / (config.gauge_fullCircle ? 1 : 2)) + "px") .attr("dy", "1.2em") .text(config.gauge_label_show ? config.gauge_max : ''); } }; c3_chart_internal_fn.initGauge = function () { var arcs = this.arcs; if (this.hasType('gauge')) { arcs.append('path') .attr("class", CLASS.chartArcsBackground); arcs.append("text") .attr("class", CLASS.chartArcsGaugeUnit) .style("text-anchor", "middle") .style("pointer-events", "none"); arcs.append("text") .attr("class", CLASS.chartArcsGaugeMin) .style("text-anchor", "middle") .style("pointer-events", "none"); arcs.append("text") .attr("class", CLASS.chartArcsGaugeMax) .style("text-anchor", "middle") .style("pointer-events", "none"); } }; c3_chart_internal_fn.getGaugeLabelHeight = function () { return this.config.gauge_label_show ? 20 : 0; }; c3_chart_internal_fn.initRegion = function () { var $$ = this; $$.region = $$.main.append('g') .attr("clip-path", $$.clipPath) .attr("class", CLASS.regions); }; c3_chart_internal_fn.updateRegion = function (duration) { var $$ = this, config = $$.config; // hide if arc type $$.region.style('visibility', $$.hasArcType() ? 'hidden' : 'visible'); $$.mainRegion = $$.main.select('.' + CLASS.regions).selectAll('.' + CLASS.region) .data(config.regions); $$.mainRegion.enter().append('g') .append('rect') .style("fill-opacity", 0); $$.mainRegion .attr('class', $$.classRegion.bind($$)); $$.mainRegion.exit().transition().duration(duration) .style("opacity", 0) .remove(); }; c3_chart_internal_fn.redrawRegion = function (withTransition) { var $$ = this, regions = $$.mainRegion.selectAll('rect').each(function () { // data is binded to g and it's not transferred to rect (child node) automatically, // then data of each rect has to be updated manually. // TODO: there should be more efficient way to solve this? var parentData = $$.d3.select(this.parentNode).datum(); $$.d3.select(this).datum(parentData); }), x = $$.regionX.bind($$), y = $$.regionY.bind($$), w = $$.regionWidth.bind($$), h = $$.regionHeight.bind($$); return [ (withTransition ? regions.transition() : regions) .attr("x", x) .attr("y", y) .attr("width", w) .attr("height", h) .style("fill-opacity", function (d) { return isValue(d.opacity) ? d.opacity : 0.1; }) ]; }; c3_chart_internal_fn.regionX = function (d) { var $$ = this, config = $$.config, xPos, yScale = d.axis === 'y' ? $$.y : $$.y2; if (d.axis === 'y' || d.axis === 'y2') { xPos = config.axis_rotated ? ('start' in d ? yScale(d.start) : 0) : 0; } else { xPos = config.axis_rotated ? 0 : ('start' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.start) : d.start) : 0); } return xPos; }; c3_chart_internal_fn.regionY = function (d) { var $$ = this, config = $$.config, yPos, yScale = d.axis === 'y' ? $$.y : $$.y2; if (d.axis === 'y' || d.axis === 'y2') { yPos = config.axis_rotated ? 0 : ('end' in d ? yScale(d.end) : 0); } else { yPos = config.axis_rotated ? ('start' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.start) : d.start) : 0) : 0; } return yPos; }; c3_chart_internal_fn.regionWidth = function (d) { var $$ = this, config = $$.config, start = $$.regionX(d), end, yScale = d.axis === 'y' ? $$.y : $$.y2; if (d.axis === 'y' || d.axis === 'y2') { end = config.axis_rotated ? ('end' in d ? yScale(d.end) : $$.width) : $$.width; } else { end = config.axis_rotated ? $$.width : ('end' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.end) : d.end) : $$.width); } return end < start ? 0 : end - start; }; c3_chart_internal_fn.regionHeight = function (d) { var $$ = this, config = $$.config, start = this.regionY(d), end, yScale = d.axis === 'y' ? $$.y : $$.y2; if (d.axis === 'y' || d.axis === 'y2') { end = config.axis_rotated ? $$.height : ('start' in d ? yScale(d.start) : $$.height); } else { end = config.axis_rotated ? ('end' in d ? $$.x($$.isTimeSeries() ? $$.parseDate(d.end) : d.end) : $$.height) : $$.height; } return end < start ? 0 : end - start; }; c3_chart_internal_fn.isRegionOnX = function (d) { return !d.axis || d.axis === 'x'; }; c3_chart_internal_fn.drag = function (mouse) { var $$ = this, config = $$.config, main = $$.main, d3 = $$.d3; var sx, sy, mx, my, minX, maxX, minY, maxY; if ($$.hasArcType()) { return; } if (!config.data_selection_enabled) { return; } // do nothing if not selectable if (config.zoom_enabled && !$$.zoom.altDomain) { return; } // skip if zoomable because of conflict drag dehavior if (!config.data_selection_multiple) { return; } // skip when single selection because drag is used for multiple selection sx = $$.dragStart[0]; sy = $$.dragStart[1]; mx = mouse[0]; my = mouse[1]; minX = Math.min(sx, mx); maxX = Math.max(sx, mx); minY = (config.data_selection_grouped) ? $$.margin.top : Math.min(sy, my); maxY = (config.data_selection_grouped) ? $$.height : Math.max(sy, my); main.select('.' + CLASS.dragarea) .attr('x', minX) .attr('y', minY) .attr('width', maxX - minX) .attr('height', maxY - minY); // TODO: binary search when multiple xs main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape) .filter(function (d) { return config.data_selection_isselectable(d); }) .each(function (d, i) { var shape = d3.select(this), isSelected = shape.classed(CLASS.SELECTED), isIncluded = shape.classed(CLASS.INCLUDED), _x, _y, _w, _h, toggle, isWithin = false, box; if (shape.classed(CLASS.circle)) { _x = shape.attr("cx") * 1; _y = shape.attr("cy") * 1; toggle = $$.togglePoint; isWithin = minX < _x && _x < maxX && minY < _y && _y < maxY; } else if (shape.classed(CLASS.bar)) { box = getPathBox(this); _x = box.x; _y = box.y; _w = box.width; _h = box.height; toggle = $$.togglePath; isWithin = !(maxX < _x || _x + _w < minX) && !(maxY < _y || _y + _h < minY); } else { // line/area selection not supported yet return; } if (isWithin ^ isIncluded) { shape.classed(CLASS.INCLUDED, !isIncluded); // TODO: included/unincluded callback here shape.classed(CLASS.SELECTED, !isSelected); toggle.call($$, !isSelected, shape, d, i); } }); }; c3_chart_internal_fn.dragstart = function (mouse) { var $$ = this, config = $$.config; if ($$.hasArcType()) { return; } if (!config.data_selection_enabled) { return; } // do nothing if not selectable $$.dragStart = mouse; $$.main.select('.' + CLASS.chart).append('rect') .attr('class', CLASS.dragarea) .style('opacity', 0.1); $$.dragging = true; }; c3_chart_internal_fn.dragend = function () { var $$ = this, config = $$.config; if ($$.hasArcType()) { return; } if (!config.data_selection_enabled) { return; } // do nothing if not selectable $$.main.select('.' + CLASS.dragarea) .transition().duration(100) .style('opacity', 0) .remove(); $$.main.selectAll('.' + CLASS.shape) .classed(CLASS.INCLUDED, false); $$.dragging = false; }; c3_chart_internal_fn.selectPoint = function (target, d, i) { var $$ = this, config = $$.config, cx = (config.axis_rotated ? $$.circleY : $$.circleX).bind($$), cy = (config.axis_rotated ? $$.circleX : $$.circleY).bind($$), r = $$.pointSelectR.bind($$); config.data_onselected.call($$.api, d, target.node()); // add selected-circle on low layer g $$.main.select('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(d.id)).selectAll('.' + CLASS.selectedCircle + '-' + i) .data([d]) .enter().append('circle') .attr("class", function () { return $$.generateClass(CLASS.selectedCircle, i); }) .attr("cx", cx) .attr("cy", cy) .attr("stroke", function () { return $$.color(d); }) .attr("r", function (d) { return $$.pointSelectR(d) * 1.4; }) .transition().duration(100) .attr("r", r); }; c3_chart_internal_fn.unselectPoint = function (target, d, i) { var $$ = this; $$.config.data_onunselected.call($$.api, d, target.node()); // remove selected-circle from low layer g $$.main.select('.' + CLASS.selectedCircles + $$.getTargetSelectorSuffix(d.id)).selectAll('.' + CLASS.selectedCircle + '-' + i) .transition().duration(100).attr('r', 0) .remove(); }; c3_chart_internal_fn.togglePoint = function (selected, target, d, i) { selected ? this.selectPoint(target, d, i) : this.unselectPoint(target, d, i); }; c3_chart_internal_fn.selectPath = function (target, d) { var $$ = this; $$.config.data_onselected.call($$, d, target.node()); if ($$.config.interaction_brighten) { target.transition().duration(100) .style("fill", function () { return $$.d3.rgb($$.color(d)).brighter(0.75); }); } }; c3_chart_internal_fn.unselectPath = function (target, d) { var $$ = this; $$.config.data_onunselected.call($$, d, target.node()); if ($$.config.interaction_brighten) { target.transition().duration(100) .style("fill", function () { return $$.color(d); }); } }; c3_chart_internal_fn.togglePath = function (selected, target, d, i) { selected ? this.selectPath(target, d, i) : this.unselectPath(target, d, i); }; c3_chart_internal_fn.getToggle = function (that, d) { var $$ = this, toggle; if (that.nodeName === 'circle') { if ($$.isStepType(d)) { // circle is hidden in step chart, so treat as within the click area toggle = function () { }; // TODO: how to select step chart? } else { toggle = $$.togglePoint; } } else if (that.nodeName === 'path') { toggle = $$.togglePath; } return toggle; }; c3_chart_internal_fn.toggleShape = function (that, d, i) { var $$ = this, d3 = $$.d3, config = $$.config, shape = d3.select(that), isSelected = shape.classed(CLASS.SELECTED), toggle = $$.getToggle(that, d).bind($$); if (config.data_selection_enabled && config.data_selection_isselectable(d)) { if (!config.data_selection_multiple) { $$.main.selectAll('.' + CLASS.shapes + (config.data_selection_grouped ? $$.getTargetSelectorSuffix(d.id) : "")).selectAll('.' + CLASS.shape).each(function (d, i) { var shape = d3.select(this); if (shape.classed(CLASS.SELECTED)) { toggle(false, shape.classed(CLASS.SELECTED, false), d, i); } }); } shape.classed(CLASS.SELECTED, !isSelected); toggle(!isSelected, shape, d, i); } }; c3_chart_internal_fn.initBrush = function () { var $$ = this, d3 = $$.d3; $$.brush = d3.svg.brush().on("brush", function () { $$.redrawForBrush(); }); $$.brush.update = function () { if ($$.context) { $$.context.select('.' + CLASS.brush).call(this); } return this; }; $$.brush.scale = function (scale) { return $$.config.axis_rotated ? this.y(scale) : this.x(scale); }; }; c3_chart_internal_fn.initSubchart = function () { var $$ = this, config = $$.config, context = $$.context = $$.svg.append("g").attr("transform", $$.getTranslate('context')), visibility = config.subchart_show ? 'visible' : 'hidden'; context.style('visibility', visibility); // Define g for chart area context.append('g') .attr("clip-path", $$.clipPathForSubchart) .attr('class', CLASS.chart); // Define g for bar chart area context.select('.' + CLASS.chart).append("g") .attr("class", CLASS.chartBars); // Define g for line chart area context.select('.' + CLASS.chart).append("g") .attr("class", CLASS.chartLines); // Add extent rect for Brush context.append("g") .attr("clip-path", $$.clipPath) .attr("class", CLASS.brush) .call($$.brush); // ATTENTION: This must be called AFTER chart added // Add Axis $$.axes.subx = context.append("g") .attr("class", CLASS.axisX) .attr("transform", $$.getTranslate('subx')) .attr("clip-path", config.axis_rotated ? "" : $$.clipPathForXAxis) .style("visibility", config.subchart_axis_x_show ? visibility : 'hidden'); }; c3_chart_internal_fn.updateTargetsForSubchart = function (targets) { var $$ = this, context = $$.context, config = $$.config, contextLineEnter, contextLineUpdate, contextBarEnter, contextBarUpdate, classChartBar = $$.classChartBar.bind($$), classBars = $$.classBars.bind($$), classChartLine = $$.classChartLine.bind($$), classLines = $$.classLines.bind($$), classAreas = $$.classAreas.bind($$); if (config.subchart_show) { //-- Bar --// contextBarUpdate = context.select('.' + CLASS.chartBars).selectAll('.' + CLASS.chartBar) .data(targets) .attr('class', classChartBar); contextBarEnter = contextBarUpdate.enter().append('g') .style('opacity', 0) .attr('class', classChartBar); // Bars for each data contextBarEnter.append('g') .attr("class", classBars); //-- Line --// contextLineUpdate = context.select('.' + CLASS.chartLines).selectAll('.' + CLASS.chartLine) .data(targets) .attr('class', classChartLine); contextLineEnter = contextLineUpdate.enter().append('g') .style('opacity', 0) .attr('class', classChartLine); // Lines for each data contextLineEnter.append("g") .attr("class", classLines); // Area contextLineEnter.append("g") .attr("class", classAreas); //-- Brush --// context.selectAll('.' + CLASS.brush + ' rect') .attr(config.axis_rotated ? "width" : "height", config.axis_rotated ? $$.width2 : $$.height2); } }; c3_chart_internal_fn.updateBarForSubchart = function (durationForExit) { var $$ = this; $$.contextBar = $$.context.selectAll('.' + CLASS.bars).selectAll('.' + CLASS.bar) .data($$.barData.bind($$)); $$.contextBar.enter().append('path') .attr("class", $$.classBar.bind($$)) .style("stroke", 'none') .style("fill", $$.color); $$.contextBar .style("opacity", $$.initialOpacity.bind($$)); $$.contextBar.exit().transition().duration(durationForExit) .style('opacity', 0) .remove(); }; c3_chart_internal_fn.redrawBarForSubchart = function (drawBarOnSub, withTransition, duration) { (withTransition ? this.contextBar.transition(Math.random().toString()).duration(duration) : this.contextBar) .attr('d', drawBarOnSub) .style('opacity', 1); }; c3_chart_internal_fn.updateLineForSubchart = function (durationForExit) { var $$ = this; $$.contextLine = $$.context.selectAll('.' + CLASS.lines).selectAll('.' + CLASS.line) .data($$.lineData.bind($$)); $$.contextLine.enter().append('path') .attr('class', $$.classLine.bind($$)) .style('stroke', $$.color); $$.contextLine .style("opacity", $$.initialOpacity.bind($$)); $$.contextLine.exit().transition().duration(durationForExit) .style('opacity', 0) .remove(); }; c3_chart_internal_fn.redrawLineForSubchart = function (drawLineOnSub, withTransition, duration) { (withTransition ? this.contextLine.transition(Math.random().toString()).duration(duration) : this.contextLine) .attr("d", drawLineOnSub) .style('opacity', 1); }; c3_chart_internal_fn.updateAreaForSubchart = function (durationForExit) { var $$ = this, d3 = $$.d3; $$.contextArea = $$.context.selectAll('.' + CLASS.areas).selectAll('.' + CLASS.area) .data($$.lineData.bind($$)); $$.contextArea.enter().append('path') .attr("class", $$.classArea.bind($$)) .style("fill", $$.color) .style("opacity", function () { $$.orgAreaOpacity = +d3.select(this).style('opacity'); return 0; }); $$.contextArea .style("opacity", 0); $$.contextArea.exit().transition().duration(durationForExit) .style('opacity', 0) .remove(); }; c3_chart_internal_fn.redrawAreaForSubchart = function (drawAreaOnSub, withTransition, duration) { (withTransition ? this.contextArea.transition(Math.random().toString()).duration(duration) : this.contextArea) .attr("d", drawAreaOnSub) .style("fill", this.color) .style("opacity", this.orgAreaOpacity); }; c3_chart_internal_fn.redrawSubchart = function (withSubchart, transitions, duration, durationForExit, areaIndices, barIndices, lineIndices) { var $$ = this, d3 = $$.d3, config = $$.config, drawAreaOnSub, drawBarOnSub, drawLineOnSub; $$.context.style('visibility', config.subchart_show ? 'visible' : 'hidden'); // subchart if (config.subchart_show) { // reflect main chart to extent on subchart if zoomed if (d3.event && d3.event.type === 'zoom') { $$.brush.extent($$.x.orgDomain()).update(); } // update subchart elements if needed if (withSubchart) { // extent rect if (!$$.brush.empty()) { $$.brush.extent($$.x.orgDomain()).update(); } // setup drawer - MEMO: this must be called after axis updated drawAreaOnSub = $$.generateDrawArea(areaIndices, true); drawBarOnSub = $$.generateDrawBar(barIndices, true); drawLineOnSub = $$.generateDrawLine(lineIndices, true); $$.updateBarForSubchart(duration); $$.updateLineForSubchart(duration); $$.updateAreaForSubchart(duration); $$.redrawBarForSubchart(drawBarOnSub, duration, duration); $$.redrawLineForSubchart(drawLineOnSub, duration, duration); $$.redrawAreaForSubchart(drawAreaOnSub, duration, duration); } } }; c3_chart_internal_fn.redrawForBrush = function () { var $$ = this, x = $$.x; $$.redraw({ withTransition: false, withY: $$.config.zoom_rescale, withSubchart: false, withUpdateXDomain: true, withDimension: false }); $$.config.subchart_onbrush.call($$.api, x.orgDomain()); }; c3_chart_internal_fn.transformContext = function (withTransition, transitions) { var $$ = this, subXAxis; if (transitions && transitions.axisSubX) { subXAxis = transitions.axisSubX; } else { subXAxis = $$.context.select('.' + CLASS.axisX); if (withTransition) { subXAxis = subXAxis.transition(); } } $$.context.attr("transform", $$.getTranslate('context')); subXAxis.attr("transform", $$.getTranslate('subx')); }; c3_chart_internal_fn.getDefaultExtent = function () { var $$ = this, config = $$.config, extent = isFunction(config.axis_x_extent) ? config.axis_x_extent($$.getXDomain($$.data.targets)) : config.axis_x_extent; if ($$.isTimeSeries()) { extent = [$$.parseDate(extent[0]), $$.parseDate(extent[1])]; } return extent; }; c3_chart_internal_fn.initZoom = function () { var $$ = this, d3 = $$.d3, config = $$.config, startEvent; $$.zoom = d3.behavior.zoom() .on("zoomstart", function () { startEvent = d3.event.sourceEvent; $$.zoom.altDomain = d3.event.sourceEvent.altKey ? $$.x.orgDomain() : null; config.zoom_onzoomstart.call($$.api, d3.event.sourceEvent); }) .on("zoom", function () { $$.redrawForZoom.call($$); }) .on('zoomend', function () { var event = d3.event.sourceEvent; // if click, do nothing. otherwise, click interaction will be canceled. if (event && startEvent.clientX === event.clientX && startEvent.clientY === event.clientY) { return; } $$.redrawEventRect(); $$.updateZoom(); config.zoom_onzoomend.call($$.api, $$.x.orgDomain()); }); $$.zoom.scale = function (scale) { return config.axis_rotated ? this.y(scale) : this.x(scale); }; $$.zoom.orgScaleExtent = function () { var extent = config.zoom_extent ? config.zoom_extent : [1, 10]; return [extent[0], Math.max($$.getMaxDataCount() / extent[1], extent[1])]; }; $$.zoom.updateScaleExtent = function () { var ratio = diffDomain($$.x.orgDomain()) / diffDomain($$.getZoomDomain()), extent = this.orgScaleExtent(); this.scaleExtent([extent[0] * ratio, extent[1] * ratio]); return this; }; }; c3_chart_internal_fn.getZoomDomain = function () { var $$ = this, config = $$.config, d3 = $$.d3, min = d3.min([$$.orgXDomain[0], config.zoom_x_min]), max = d3.max([$$.orgXDomain[1], config.zoom_x_max]); return [min, max]; }; c3_chart_internal_fn.updateZoom = function () { var $$ = this, z = $$.config.zoom_enabled ? $$.zoom : function () { }; $$.main.select('.' + CLASS.zoomRect).call(z).on("dblclick.zoom", null); $$.main.selectAll('.' + CLASS.eventRect).call(z).on("dblclick.zoom", null); }; c3_chart_internal_fn.redrawForZoom = function () { var $$ = this, d3 = $$.d3, config = $$.config, zoom = $$.zoom, x = $$.x; if (!config.zoom_enabled) { return; } if ($$.filterTargetsToShow($$.data.targets).length === 0) { return; } if (d3.event.sourceEvent.type === 'mousemove' && zoom.altDomain) { x.domain(zoom.altDomain); zoom.scale(x).updateScaleExtent(); return; } if ($$.isCategorized() && x.orgDomain()[0] === $$.orgXDomain[0]) { x.domain([$$.orgXDomain[0] - 1e-10, x.orgDomain()[1]]); } $$.redraw({ withTransition: false, withY: config.zoom_rescale, withSubchart: false, withEventRect: false, withDimension: false }); if (d3.event.sourceEvent.type === 'mousemove') { $$.cancelClick = true; } config.zoom_onzoom.call($$.api, x.orgDomain()); }; c3_chart_internal_fn.generateColor = function () { var $$ = this, config = $$.config, d3 = $$.d3, colors = config.data_colors, pattern = notEmpty(config.color_pattern) ? config.color_pattern : d3.scale.category10().range(), callback = config.data_color, ids = []; return function (d) { var id = d.id || (d.data && d.data.id) || d, color; // if callback function is provided if (colors[id] instanceof Function) { color = colors[id](d); } // if specified, choose that color else if (colors[id]) { color = colors[id]; } // if not specified, choose from pattern else { if (ids.indexOf(id) < 0) { ids.push(id); } color = pattern[ids.indexOf(id) % pattern.length]; colors[id] = color; } return callback instanceof Function ? callback(color, d) : color; }; }; c3_chart_internal_fn.generateLevelColor = function () { var $$ = this, config = $$.config, colors = config.color_pattern, threshold = config.color_threshold, asValue = threshold.unit === 'value', values = threshold.values && threshold.values.length ? threshold.values : [], max = threshold.max || 100; return notEmpty(config.color_threshold) ? function (value) { var i, v, color = colors[colors.length - 1]; for (i = 0; i < values.length; i++) { v = asValue ? value : (value * 100 / max); if (v < values[i]) { color = colors[i]; break; } } return color; } : null; }; c3_chart_internal_fn.getYFormat = function (forArc) { var $$ = this, formatForY = forArc && !$$.hasType('gauge') ? $$.defaultArcValueFormat : $$.yFormat, formatForY2 = forArc && !$$.hasType('gauge') ? $$.defaultArcValueFormat : $$.y2Format; return function (v, ratio, id) { var format = $$.axis.getId(id) === 'y2' ? formatForY2 : formatForY; return format.call($$, v, ratio); }; }; c3_chart_internal_fn.yFormat = function (v) { var $$ = this, config = $$.config, format = config.axis_y_tick_format ? config.axis_y_tick_format : $$.defaultValueFormat; return format(v); }; c3_chart_internal_fn.y2Format = function (v) { var $$ = this, config = $$.config, format = config.axis_y2_tick_format ? config.axis_y2_tick_format : $$.defaultValueFormat; return format(v); }; c3_chart_internal_fn.defaultValueFormat = function (v) { return isValue(v) ? +v : ""; }; c3_chart_internal_fn.defaultArcValueFormat = function (v, ratio) { return (ratio * 100).toFixed(1) + '%'; }; c3_chart_internal_fn.dataLabelFormat = function (targetId) { var $$ = this, data_labels = $$.config.data_labels, format, defaultFormat = function (v) { return isValue(v) ? +v : ""; }; // find format according to axis id if (typeof data_labels.format === 'function') { format = data_labels.format; } else if (typeof data_labels.format === 'object') { if (data_labels.format[targetId]) { format = data_labels.format[targetId] === true ? defaultFormat : data_labels.format[targetId]; } else { format = function () { return ''; }; } } else { format = defaultFormat; } return format; }; c3_chart_internal_fn.hasCaches = function (ids) { for (var i = 0; i < ids.length; i++) { if (!(ids[i] in this.cache)) { return false; } } return true; }; c3_chart_internal_fn.addCache = function (id, target) { this.cache[id] = this.cloneTarget(target); }; c3_chart_internal_fn.getCaches = function (ids) { var targets = [], i; for (i = 0; i < ids.length; i++) { if (ids[i] in this.cache) { targets.push(this.cloneTarget(this.cache[ids[i]])); } } return targets; }; var CLASS = c3_chart_internal_fn.CLASS = { target: 'c3-target', chart: 'c3-chart', chartLine: 'c3-chart-line', chartLines: 'c3-chart-lines', chartBar: 'c3-chart-bar', chartBars: 'c3-chart-bars', chartText: 'c3-chart-text', chartTexts: 'c3-chart-texts', chartArc: 'c3-chart-arc', chartArcs: 'c3-chart-arcs', chartArcsTitle: 'c3-chart-arcs-title', chartArcsBackground: 'c3-chart-arcs-background', chartArcsGaugeUnit: 'c3-chart-arcs-gauge-unit', chartArcsGaugeMax: 'c3-chart-arcs-gauge-max', chartArcsGaugeMin: 'c3-chart-arcs-gauge-min', selectedCircle: 'c3-selected-circle', selectedCircles: 'c3-selected-circles', eventRect: 'c3-event-rect', eventRects: 'c3-event-rects', eventRectsSingle: 'c3-event-rects-single', eventRectsMultiple: 'c3-event-rects-multiple', zoomRect: 'c3-zoom-rect', brush: 'c3-brush', focused: 'c3-focused', defocused: 'c3-defocused', region: 'c3-region', regions: 'c3-regions', title: 'c3-title', tooltipContainer: 'c3-tooltip-container', tooltip: 'c3-tooltip', tooltipName: 'c3-tooltip-name', shape: 'c3-shape', shapes: 'c3-shapes', line: 'c3-line', lines: 'c3-lines', bar: 'c3-bar', bars: 'c3-bars', circle: 'c3-circle', circles: 'c3-circles', arc: 'c3-arc', arcs: 'c3-arcs', area: 'c3-area', areas: 'c3-areas', empty: 'c3-empty', text: 'c3-text', texts: 'c3-texts', gaugeValue: 'c3-gauge-value', grid: 'c3-grid', gridLines: 'c3-grid-lines', xgrid: 'c3-xgrid', xgrids: 'c3-xgrids', xgridLine: 'c3-xgrid-line', xgridLines: 'c3-xgrid-lines', xgridFocus: 'c3-xgrid-focus', ygrid: 'c3-ygrid', ygrids: 'c3-ygrids', ygridLine: 'c3-ygrid-line', ygridLines: 'c3-ygrid-lines', axis: 'c3-axis', axisX: 'c3-axis-x', axisXLabel: 'c3-axis-x-label', axisY: 'c3-axis-y', axisYLabel: 'c3-axis-y-label', axisY2: 'c3-axis-y2', axisY2Label: 'c3-axis-y2-label', legendBackground: 'c3-legend-background', legendItem: 'c3-legend-item', legendItemEvent: 'c3-legend-item-event', legendItemTile: 'c3-legend-item-tile', legendItemHidden: 'c3-legend-item-hidden', legendItemFocused: 'c3-legend-item-focused', dragarea: 'c3-dragarea', EXPANDED: '_expanded_', SELECTED: '_selected_', INCLUDED: '_included_' }; c3_chart_internal_fn.generateClass = function (prefix, targetId) { return " " + prefix + " " + prefix + this.getTargetSelectorSuffix(targetId); }; c3_chart_internal_fn.classText = function (d) { return this.generateClass(CLASS.text, d.index); }; c3_chart_internal_fn.classTexts = function (d) { return this.generateClass(CLASS.texts, d.id); }; c3_chart_internal_fn.classShape = function (d) { return this.generateClass(CLASS.shape, d.index); }; c3_chart_internal_fn.classShapes = function (d) { return this.generateClass(CLASS.shapes, d.id); }; c3_chart_internal_fn.classLine = function (d) { return this.classShape(d) + this.generateClass(CLASS.line, d.id); }; c3_chart_internal_fn.classLines = function (d) { return this.classShapes(d) + this.generateClass(CLASS.lines, d.id); }; c3_chart_internal_fn.classCircle = function (d) { return this.classShape(d) + this.generateClass(CLASS.circle, d.index); }; c3_chart_internal_fn.classCircles = function (d) { return this.classShapes(d) + this.generateClass(CLASS.circles, d.id); }; c3_chart_internal_fn.classBar = function (d) { return this.classShape(d) + this.generateClass(CLASS.bar, d.index); }; c3_chart_internal_fn.classBars = function (d) { return this.classShapes(d) + this.generateClass(CLASS.bars, d.id); }; c3_chart_internal_fn.classArc = function (d) { return this.classShape(d.data) + this.generateClass(CLASS.arc, d.data.id); }; c3_chart_internal_fn.classArcs = function (d) { return this.classShapes(d.data) + this.generateClass(CLASS.arcs, d.data.id); }; c3_chart_internal_fn.classArea = function (d) { return this.classShape(d) + this.generateClass(CLASS.area, d.id); }; c3_chart_internal_fn.classAreas = function (d) { return this.classShapes(d) + this.generateClass(CLASS.areas, d.id); }; c3_chart_internal_fn.classRegion = function (d, i) { return this.generateClass(CLASS.region, i) + ' ' + ('class' in d ? d['class'] : ''); }; c3_chart_internal_fn.classEvent = function (d) { return this.generateClass(CLASS.eventRect, d.index); }; c3_chart_internal_fn.classTarget = function (id) { var $$ = this; var additionalClassSuffix = $$.config.data_classes[id], additionalClass = ''; if (additionalClassSuffix) { additionalClass = ' ' + CLASS.target + '-' + additionalClassSuffix; } return $$.generateClass(CLASS.target, id) + additionalClass; }; c3_chart_internal_fn.classFocus = function (d) { return this.classFocused(d) + this.classDefocused(d); }; c3_chart_internal_fn.classFocused = function (d) { return ' ' + (this.focusedTargetIds.indexOf(d.id) >= 0 ? CLASS.focused : ''); }; c3_chart_internal_fn.classDefocused = function (d) { return ' ' + (this.defocusedTargetIds.indexOf(d.id) >= 0 ? CLASS.defocused : ''); }; c3_chart_internal_fn.classChartText = function (d) { return CLASS.chartText + this.classTarget(d.id); }; c3_chart_internal_fn.classChartLine = function (d) { return CLASS.chartLine + this.classTarget(d.id); }; c3_chart_internal_fn.classChartBar = function (d) { return CLASS.chartBar + this.classTarget(d.id); }; c3_chart_internal_fn.classChartArc = function (d) { return CLASS.chartArc + this.classTarget(d.data.id); }; c3_chart_internal_fn.getTargetSelectorSuffix = function (targetId) { return targetId || targetId === 0 ? ('-' + targetId).replace(/[\s?!@#$%^&*()_=+,.<>'":;\[\]\/|~`{}\\]/g, '-') : ''; }; c3_chart_internal_fn.selectorTarget = function (id, prefix) { return (prefix || '') + '.' + CLASS.target + this.getTargetSelectorSuffix(id); }; c3_chart_internal_fn.selectorTargets = function (ids, prefix) { var $$ = this; ids = ids || []; return ids.length ? ids.map(function (id) { return $$.selectorTarget(id, prefix); }) : null; }; c3_chart_internal_fn.selectorLegend = function (id) { return '.' + CLASS.legendItem + this.getTargetSelectorSuffix(id); }; c3_chart_internal_fn.selectorLegends = function (ids) { var $$ = this; return ids && ids.length ? ids.map(function (id) { return $$.selectorLegend(id); }) : null; }; var isValue = c3_chart_internal_fn.isValue = function (v) { return v || v === 0; }, isFunction = c3_chart_internal_fn.isFunction = function (o) { return typeof o === 'function'; }, isString = c3_chart_internal_fn.isString = function (o) { return typeof o === 'string'; }, isUndefined = c3_chart_internal_fn.isUndefined = function (v) { return typeof v === 'undefined'; }, isDefined = c3_chart_internal_fn.isDefined = function (v) { return typeof v !== 'undefined'; }, ceil10 = c3_chart_internal_fn.ceil10 = function (v) { return Math.ceil(v / 10) * 10; }, asHalfPixel = c3_chart_internal_fn.asHalfPixel = function (n) { return Math.ceil(n) + 0.5; }, diffDomain = c3_chart_internal_fn.diffDomain = function (d) { return d[1] - d[0]; }, isEmpty = c3_chart_internal_fn.isEmpty = function (o) { return typeof o === 'undefined' || o === null || (isString(o) && o.length === 0) || (typeof o === 'object' && Object.keys(o).length === 0); }, notEmpty = c3_chart_internal_fn.notEmpty = function (o) { return !c3_chart_internal_fn.isEmpty(o); }, getOption = c3_chart_internal_fn.getOption = function (options, key, defaultValue) { return isDefined(options[key]) ? options[key] : defaultValue; }, hasValue = c3_chart_internal_fn.hasValue = function (dict, value) { var found = false; Object.keys(dict).forEach(function (key) { if (dict[key] === value) { found = true; } }); return found; }, sanitise = c3_chart_internal_fn.sanitise = function (str) { return typeof str === 'string' ? str.replace(//g, '>') : str; }, getPathBox = c3_chart_internal_fn.getPathBox = function (path) { var box = path.getBoundingClientRect(), items = [path.pathSegList.getItem(0), path.pathSegList.getItem(1)], minX = items[0].x, minY = Math.min(items[0].y, items[1].y); return {x: minX, y: minY, width: box.width, height: box.height}; }; c3_chart_fn.focus = function (targetIds) { var $$ = this.internal, candidates; targetIds = $$.mapToTargetIds(targetIds); candidates = $$.svg.selectAll($$.selectorTargets(targetIds.filter($$.isTargetToShow, $$))), this.revert(); this.defocus(); candidates.classed(CLASS.focused, true).classed(CLASS.defocused, false); if ($$.hasArcType()) { $$.expandArc(targetIds); } $$.toggleFocusLegend(targetIds, true); $$.focusedTargetIds = targetIds; $$.defocusedTargetIds = $$.defocusedTargetIds.filter(function (id) { return targetIds.indexOf(id) < 0; }); }; c3_chart_fn.defocus = function (targetIds) { var $$ = this.internal, candidates; targetIds = $$.mapToTargetIds(targetIds); candidates = $$.svg.selectAll($$.selectorTargets(targetIds.filter($$.isTargetToShow, $$))), candidates.classed(CLASS.focused, false).classed(CLASS.defocused, true); if ($$.hasArcType()) { $$.unexpandArc(targetIds); } $$.toggleFocusLegend(targetIds, false); $$.focusedTargetIds = $$.focusedTargetIds.filter(function (id) { return targetIds.indexOf(id) < 0; }); $$.defocusedTargetIds = targetIds; }; c3_chart_fn.revert = function (targetIds) { var $$ = this.internal, candidates; targetIds = $$.mapToTargetIds(targetIds); candidates = $$.svg.selectAll($$.selectorTargets(targetIds)); // should be for all targets candidates.classed(CLASS.focused, false).classed(CLASS.defocused, false); if ($$.hasArcType()) { $$.unexpandArc(targetIds); } if ($$.config.legend_show) { $$.showLegend(targetIds.filter($$.isLegendToShow.bind($$))); $$.legend.selectAll($$.selectorLegends(targetIds)) .filter(function () { return $$.d3.select(this).classed(CLASS.legendItemFocused); }) .classed(CLASS.legendItemFocused, false); } $$.focusedTargetIds = []; $$.defocusedTargetIds = []; }; c3_chart_fn.show = function (targetIds, options) { var $$ = this.internal, targets; targetIds = $$.mapToTargetIds(targetIds); options = options || {}; $$.removeHiddenTargetIds(targetIds); targets = $$.svg.selectAll($$.selectorTargets(targetIds)); targets.transition() .style('opacity', 1, 'important') .call($$.endall, function () { targets.style('opacity', null).style('opacity', 1); }); if (options.withLegend) { $$.showLegend(targetIds); } $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true}); }; c3_chart_fn.hide = function (targetIds, options) { var $$ = this.internal, targets; targetIds = $$.mapToTargetIds(targetIds); options = options || {}; $$.addHiddenTargetIds(targetIds); targets = $$.svg.selectAll($$.selectorTargets(targetIds)); targets.transition() .style('opacity', 0, 'important') .call($$.endall, function () { targets.style('opacity', null).style('opacity', 0); }); if (options.withLegend) { $$.hideLegend(targetIds); } $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true}); }; c3_chart_fn.toggle = function (targetIds, options) { var that = this, $$ = this.internal; $$.mapToTargetIds(targetIds).forEach(function (targetId) { $$.isTargetToShow(targetId) ? that.hide(targetId, options) : that.show(targetId, options); }); }; c3_chart_fn.zoom = function (domain) { var $$ = this.internal; if (domain) { if ($$.isTimeSeries()) { domain = domain.map(function (x) { return $$.parseDate(x); }); } $$.brush.extent(domain); $$.redraw({withUpdateXDomain: true, withY: $$.config.zoom_rescale}); $$.config.zoom_onzoom.call(this, $$.x.orgDomain()); } return $$.brush.extent(); }; c3_chart_fn.zoom.enable = function (enabled) { var $$ = this.internal; $$.config.zoom_enabled = enabled; $$.updateAndRedraw(); }; c3_chart_fn.unzoom = function () { var $$ = this.internal; $$.brush.clear().update(); $$.redraw({withUpdateXDomain: true}); }; c3_chart_fn.zoom.max = function (max) { var $$ = this.internal, config = $$.config, d3 = $$.d3; if (max === 0 || max) { config.zoom_x_max = d3.max([$$.orgXDomain[1], max]); } else { return config.zoom_x_max; } }; c3_chart_fn.zoom.min = function (min) { var $$ = this.internal, config = $$.config, d3 = $$.d3; if (min === 0 || min) { config.zoom_x_min = d3.min([$$.orgXDomain[0], min]); } else { return config.zoom_x_min; } }; c3_chart_fn.zoom.range = function (range) { if (arguments.length) { if (isDefined(range.max)) { this.domain.max(range.max); } if (isDefined(range.min)) { this.domain.min(range.min); } } else { return { max: this.domain.max(), min: this.domain.min() }; } }; c3_chart_fn.load = function (args) { var $$ = this.internal, config = $$.config; // update xs if specified if (args.xs) { $$.addXs(args.xs); } // update names if exists if ('names' in args) { c3_chart_fn.data.names.bind(this)(args.names); } // update classes if exists if ('classes' in args) { Object.keys(args.classes).forEach(function (id) { config.data_classes[id] = args.classes[id]; }); } // update categories if exists if ('categories' in args && $$.isCategorized()) { config.axis_x_categories = args.categories; } // update axes if exists if ('axes' in args) { Object.keys(args.axes).forEach(function (id) { config.data_axes[id] = args.axes[id]; }); } // update colors if exists if ('colors' in args) { Object.keys(args.colors).forEach(function (id) { config.data_colors[id] = args.colors[id]; }); } // use cache if exists if ('cacheIds' in args && $$.hasCaches(args.cacheIds)) { $$.load($$.getCaches(args.cacheIds), args.done); return; } // unload if needed if ('unload' in args) { // TODO: do not unload if target will load (included in url/rows/columns) $$.unload($$.mapToTargetIds((typeof args.unload === 'boolean' && args.unload) ? null : args.unload), function () { $$.loadFromArgs(args); }); } else { $$.loadFromArgs(args); } }; c3_chart_fn.unload = function (args) { var $$ = this.internal; args = args || {}; if (args instanceof Array) { args = {ids: args}; } else if (typeof args === 'string') { args = {ids: [args]}; } $$.unload($$.mapToTargetIds(args.ids), function () { $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true, withLegend: true}); if (args.done) { args.done(); } }); }; c3_chart_fn.flow = function (args) { var $$ = this.internal, targets, data, notfoundIds = [], orgDataCount = $$.getMaxDataCount(), dataCount, domain, baseTarget, baseValue, length = 0, tail = 0, diff, to; if (args.json) { data = $$.convertJsonToData(args.json, args.keys); } else if (args.rows) { data = $$.convertRowsToData(args.rows); } else if (args.columns) { data = $$.convertColumnsToData(args.columns); } else { return; } targets = $$.convertDataToTargets(data, true); // Update/Add data $$.data.targets.forEach(function (t) { var found = false, i, j; for (i = 0; i < targets.length; i++) { if (t.id === targets[i].id) { found = true; if (t.values[t.values.length - 1]) { tail = t.values[t.values.length - 1].index + 1; } length = targets[i].values.length; for (j = 0; j < length; j++) { targets[i].values[j].index = tail + j; if (!$$.isTimeSeries()) { targets[i].values[j].x = tail + j; } } t.values = t.values.concat(targets[i].values); targets.splice(i, 1); break; } } if (!found) { notfoundIds.push(t.id); } }); // Append null for not found targets $$.data.targets.forEach(function (t) { var i, j; for (i = 0; i < notfoundIds.length; i++) { if (t.id === notfoundIds[i]) { tail = t.values[t.values.length - 1].index + 1; for (j = 0; j < length; j++) { t.values.push({ id: t.id, index: tail + j, x: $$.isTimeSeries() ? $$.getOtherTargetX(tail + j) : tail + j, value: null }); } } } }); // Generate null values for new target if ($$.data.targets.length) { targets.forEach(function (t) { var i, missing = []; for (i = $$.data.targets[0].values[0].index; i < tail; i++) { missing.push({ id: t.id, index: i, x: $$.isTimeSeries() ? $$.getOtherTargetX(i) : i, value: null }); } t.values.forEach(function (v) { v.index += tail; if (!$$.isTimeSeries()) { v.x += tail; } }); t.values = missing.concat(t.values); }); } $$.data.targets = $$.data.targets.concat(targets); // add remained // check data count because behavior needs to change when it's only one dataCount = $$.getMaxDataCount(); baseTarget = $$.data.targets[0]; baseValue = baseTarget.values[0]; // Update length to flow if needed if (isDefined(args.to)) { length = 0; to = $$.isTimeSeries() ? $$.parseDate(args.to) : args.to; baseTarget.values.forEach(function (v) { if (v.x < to) { length++; } }); } else if (isDefined(args.length)) { length = args.length; } // If only one data, update the domain to flow from left edge of the chart if (!orgDataCount) { if ($$.isTimeSeries()) { if (baseTarget.values.length > 1) { diff = baseTarget.values[baseTarget.values.length - 1].x - baseValue.x; } else { diff = baseValue.x - $$.getXDomain($$.data.targets)[0]; } } else { diff = 1; } domain = [baseValue.x - diff, baseValue.x]; $$.updateXDomain(null, true, true, false, domain); } else if (orgDataCount === 1) { if ($$.isTimeSeries()) { diff = (baseTarget.values[baseTarget.values.length - 1].x - baseValue.x) / 2; domain = [new Date(+baseValue.x - diff), new Date(+baseValue.x + diff)]; $$.updateXDomain(null, true, true, false, domain); } } // Set targets $$.updateTargets($$.data.targets); // Redraw with new targets $$.redraw({ flow: { index: baseValue.index, length: length, duration: isValue(args.duration) ? args.duration : $$.config.transition_duration, done: args.done, orgDataCount: orgDataCount, }, withLegend: true, withTransition: orgDataCount > 1, withTrimXDomain: false, withUpdateXAxis: true, }); }; c3_chart_internal_fn.generateFlow = function (args) { var $$ = this, config = $$.config, d3 = $$.d3; return function () { var targets = args.targets, flow = args.flow, drawBar = args.drawBar, drawLine = args.drawLine, drawArea = args.drawArea, cx = args.cx, cy = args.cy, xv = args.xv, xForText = args.xForText, yForText = args.yForText, duration = args.duration; var translateX, scaleX = 1, transform, flowIndex = flow.index, flowLength = flow.length, flowStart = $$.getValueOnIndex($$.data.targets[0].values, flowIndex), flowEnd = $$.getValueOnIndex($$.data.targets[0].values, flowIndex + flowLength), orgDomain = $$.x.domain(), domain, durationForFlow = flow.duration || duration, done = flow.done || function () { }, wait = $$.generateWait(); var xgrid = $$.xgrid || d3.selectAll([]), xgridLines = $$.xgridLines || d3.selectAll([]), mainRegion = $$.mainRegion || d3.selectAll([]), mainText = $$.mainText || d3.selectAll([]), mainBar = $$.mainBar || d3.selectAll([]), mainLine = $$.mainLine || d3.selectAll([]), mainArea = $$.mainArea || d3.selectAll([]), mainCircle = $$.mainCircle || d3.selectAll([]); // set flag $$.flowing = true; // remove head data after rendered $$.data.targets.forEach(function (d) { d.values.splice(0, flowLength); }); // update x domain to generate axis elements for flow domain = $$.updateXDomain(targets, true, true); // update elements related to x scale if ($$.updateXGrid) { $$.updateXGrid(true); } // generate transform to flow if (!flow.orgDataCount) { // if empty if ($$.data.targets[0].values.length !== 1) { translateX = $$.x(orgDomain[0]) - $$.x(domain[0]); } else { if ($$.isTimeSeries()) { flowStart = $$.getValueOnIndex($$.data.targets[0].values, 0); flowEnd = $$.getValueOnIndex($$.data.targets[0].values, $$.data.targets[0].values.length - 1); translateX = $$.x(flowStart.x) - $$.x(flowEnd.x); } else { translateX = diffDomain(domain) / 2; } } } else if (flow.orgDataCount === 1 || (flowStart && flowStart.x) === (flowEnd && flowEnd.x)) { translateX = $$.x(orgDomain[0]) - $$.x(domain[0]); } else { if ($$.isTimeSeries()) { translateX = ($$.x(orgDomain[0]) - $$.x(domain[0])); } else { translateX = ($$.x(flowStart.x) - $$.x(flowEnd.x)); } } scaleX = (diffDomain(orgDomain) / diffDomain(domain)); transform = 'translate(' + translateX + ',0) scale(' + scaleX + ',1)'; $$.hideXGridFocus(); d3.transition().ease('linear').duration(durationForFlow).each(function () { wait.add($$.axes.x.transition().call($$.xAxis)); wait.add(mainBar.transition().attr('transform', transform)); wait.add(mainLine.transition().attr('transform', transform)); wait.add(mainArea.transition().attr('transform', transform)); wait.add(mainCircle.transition().attr('transform', transform)); wait.add(mainText.transition().attr('transform', transform)); wait.add(mainRegion.filter($$.isRegionOnX).transition().attr('transform', transform)); wait.add(xgrid.transition().attr('transform', transform)); wait.add(xgridLines.transition().attr('transform', transform)); }) .call(wait, function () { var i, shapes = [], texts = [], eventRects = []; // remove flowed elements if (flowLength) { for (i = 0; i < flowLength; i++) { shapes.push('.' + CLASS.shape + '-' + (flowIndex + i)); texts.push('.' + CLASS.text + '-' + (flowIndex + i)); eventRects.push('.' + CLASS.eventRect + '-' + (flowIndex + i)); } $$.svg.selectAll('.' + CLASS.shapes).selectAll(shapes).remove(); $$.svg.selectAll('.' + CLASS.texts).selectAll(texts).remove(); $$.svg.selectAll('.' + CLASS.eventRects).selectAll(eventRects).remove(); $$.svg.select('.' + CLASS.xgrid).remove(); } // draw again for removing flowed elements and reverting attr xgrid .attr('transform', null) .attr($$.xgridAttr); xgridLines .attr('transform', null); xgridLines.select('line') .attr("x1", config.axis_rotated ? 0 : xv) .attr("x2", config.axis_rotated ? $$.width : xv); xgridLines.select('text') .attr("x", config.axis_rotated ? $$.width : 0) .attr("y", xv); mainBar .attr('transform', null) .attr("d", drawBar); mainLine .attr('transform', null) .attr("d", drawLine); mainArea .attr('transform', null) .attr("d", drawArea); mainCircle .attr('transform', null) .attr("cx", cx) .attr("cy", cy); mainText .attr('transform', null) .attr('x', xForText) .attr('y', yForText) .style('fill-opacity', $$.opacityForText.bind($$)); mainRegion .attr('transform', null); mainRegion.select('rect').filter($$.isRegionOnX) .attr("x", $$.regionX.bind($$)) .attr("width", $$.regionWidth.bind($$)); if (config.interaction_enabled) { $$.redrawEventRect(); } // callback for end of flow done(); $$.flowing = false; }); }; }; c3_chart_fn.selected = function (targetId) { var $$ = this.internal, d3 = $$.d3; return d3.merge( $$.main.selectAll('.' + CLASS.shapes + $$.getTargetSelectorSuffix(targetId)).selectAll('.' + CLASS.shape) .filter(function () { return d3.select(this).classed(CLASS.SELECTED); }) .map(function (d) { return d.map(function (d) { var data = d.__data__; return data.data ? data.data : data; }); }) ); }; c3_chart_fn.select = function (ids, indices, resetOther) { var $$ = this.internal, d3 = $$.d3, config = $$.config; if (!config.data_selection_enabled) { return; } $$.main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape).each(function (d, i) { var shape = d3.select(this), id = d.data ? d.data.id : d.id, toggle = $$.getToggle(this, d).bind($$), isTargetId = config.data_selection_grouped || !ids || ids.indexOf(id) >= 0, isTargetIndex = !indices || indices.indexOf(i) >= 0, isSelected = shape.classed(CLASS.SELECTED); // line/area selection not supported yet if (shape.classed(CLASS.line) || shape.classed(CLASS.area)) { return; } if (isTargetId && isTargetIndex) { if (config.data_selection_isselectable(d) && !isSelected) { toggle(true, shape.classed(CLASS.SELECTED, true), d, i); } } else if (isDefined(resetOther) && resetOther) { if (isSelected) { toggle(false, shape.classed(CLASS.SELECTED, false), d, i); } } }); }; c3_chart_fn.unselect = function (ids, indices) { var $$ = this.internal, d3 = $$.d3, config = $$.config; if (!config.data_selection_enabled) { return; } $$.main.selectAll('.' + CLASS.shapes).selectAll('.' + CLASS.shape).each(function (d, i) { var shape = d3.select(this), id = d.data ? d.data.id : d.id, toggle = $$.getToggle(this, d).bind($$), isTargetId = config.data_selection_grouped || !ids || ids.indexOf(id) >= 0, isTargetIndex = !indices || indices.indexOf(i) >= 0, isSelected = shape.classed(CLASS.SELECTED); // line/area selection not supported yet if (shape.classed(CLASS.line) || shape.classed(CLASS.area)) { return; } if (isTargetId && isTargetIndex) { if (config.data_selection_isselectable(d)) { if (isSelected) { toggle(false, shape.classed(CLASS.SELECTED, false), d, i); } } } }); }; c3_chart_fn.transform = function (type, targetIds) { var $$ = this.internal, options = ['pie', 'donut'].indexOf(type) >= 0 ? {withTransform: true} : null; $$.transformTo(targetIds, type, options); }; c3_chart_internal_fn.transformTo = function (targetIds, type, optionsForRedraw) { var $$ = this, withTransitionForAxis = !$$.hasArcType(), options = optionsForRedraw || {withTransitionForAxis: withTransitionForAxis}; options.withTransitionForTransform = false; $$.transiting = false; $$.setTargetType(targetIds, type); $$.updateTargets($$.data.targets); // this is needed when transforming to arc $$.updateAndRedraw(options); }; c3_chart_fn.groups = function (groups) { var $$ = this.internal, config = $$.config; if (isUndefined(groups)) { return config.data_groups; } config.data_groups = groups; $$.redraw(); return config.data_groups; }; c3_chart_fn.xgrids = function (grids) { var $$ = this.internal, config = $$.config; if (!grids) { return config.grid_x_lines; } config.grid_x_lines = grids; $$.redrawWithoutRescale(); return config.grid_x_lines; }; c3_chart_fn.xgrids.add = function (grids) { var $$ = this.internal; return this.xgrids($$.config.grid_x_lines.concat(grids ? grids : [])); }; c3_chart_fn.xgrids.remove = function (params) { // TODO: multiple var $$ = this.internal; $$.removeGridLines(params, true); }; c3_chart_fn.ygrids = function (grids) { var $$ = this.internal, config = $$.config; if (!grids) { return config.grid_y_lines; } config.grid_y_lines = grids; $$.redrawWithoutRescale(); return config.grid_y_lines; }; c3_chart_fn.ygrids.add = function (grids) { var $$ = this.internal; return this.ygrids($$.config.grid_y_lines.concat(grids ? grids : [])); }; c3_chart_fn.ygrids.remove = function (params) { // TODO: multiple var $$ = this.internal; $$.removeGridLines(params, false); }; c3_chart_fn.regions = function (regions) { var $$ = this.internal, config = $$.config; if (!regions) { return config.regions; } config.regions = regions; $$.redrawWithoutRescale(); return config.regions; }; c3_chart_fn.regions.add = function (regions) { var $$ = this.internal, config = $$.config; if (!regions) { return config.regions; } config.regions = config.regions.concat(regions); $$.redrawWithoutRescale(); return config.regions; }; c3_chart_fn.regions.remove = function (options) { var $$ = this.internal, config = $$.config, duration, classes, regions; options = options || {}; duration = $$.getOption(options, "duration", config.transition_duration); classes = $$.getOption(options, "classes", [CLASS.region]); regions = $$.main.select('.' + CLASS.regions).selectAll(classes.map(function (c) { return '.' + c; })); (duration ? regions.transition().duration(duration) : regions) .style('opacity', 0) .remove(); config.regions = config.regions.filter(function (region) { var found = false; if (!region['class']) { return true; } region['class'].split(' ').forEach(function (c) { if (classes.indexOf(c) >= 0) { found = true; } }); return !found; }); return config.regions; }; c3_chart_fn.data = function (targetIds) { var targets = this.internal.data.targets; return typeof targetIds === 'undefined' ? targets : targets.filter(function (t) { return [].concat(targetIds).indexOf(t.id) >= 0; }); }; c3_chart_fn.data.shown = function (targetIds) { return this.internal.filterTargetsToShow(this.data(targetIds)); }; c3_chart_fn.data.values = function (targetId) { var targets, values = null; if (targetId) { targets = this.data(targetId); values = targets[0] ? targets[0].values.map(function (d) { return d.value; }) : null; } return values; }; c3_chart_fn.data.names = function (names) { this.internal.clearLegendItemTextBoxCache(); return this.internal.updateDataAttributes('names', names); }; c3_chart_fn.data.colors = function (colors) { return this.internal.updateDataAttributes('colors', colors); }; c3_chart_fn.data.axes = function (axes) { return this.internal.updateDataAttributes('axes', axes); }; c3_chart_fn.category = function (i, category) { var $$ = this.internal, config = $$.config; if (arguments.length > 1) { config.axis_x_categories[i] = category; $$.redraw(); } return config.axis_x_categories[i]; }; c3_chart_fn.categories = function (categories) { var $$ = this.internal, config = $$.config; if (!arguments.length) { return config.axis_x_categories; } config.axis_x_categories = categories; $$.redraw(); return config.axis_x_categories; }; // TODO: fix c3_chart_fn.color = function (id) { var $$ = this.internal; return $$.color(id); // more patterns }; c3_chart_fn.x = function (x) { var $$ = this.internal; if (arguments.length) { $$.updateTargetX($$.data.targets, x); $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true}); } return $$.data.xs; }; c3_chart_fn.xs = function (xs) { var $$ = this.internal; if (arguments.length) { $$.updateTargetXs($$.data.targets, xs); $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true}); } return $$.data.xs; }; c3_chart_fn.axis = function () { }; c3_chart_fn.axis.labels = function (labels) { var $$ = this.internal; if (arguments.length) { Object.keys(labels).forEach(function (axisId) { $$.axis.setLabelText(axisId, labels[axisId]); }); $$.axis.updateLabels(); } // TODO: return some values? }; c3_chart_fn.axis.max = function (max) { var $$ = this.internal, config = $$.config; if (arguments.length) { if (typeof max === 'object') { if (isValue(max.x)) { config.axis_x_max = max.x; } if (isValue(max.y)) { config.axis_y_max = max.y; } if (isValue(max.y2)) { config.axis_y2_max = max.y2; } } else { config.axis_y_max = config.axis_y2_max = max; } $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true}); } else { return { x: config.axis_x_max, y: config.axis_y_max, y2: config.axis_y2_max }; } }; c3_chart_fn.axis.min = function (min) { var $$ = this.internal, config = $$.config; if (arguments.length) { if (typeof min === 'object') { if (isValue(min.x)) { config.axis_x_min = min.x; } if (isValue(min.y)) { config.axis_y_min = min.y; } if (isValue(min.y2)) { config.axis_y2_min = min.y2; } } else { config.axis_y_min = config.axis_y2_min = min; } $$.redraw({withUpdateOrgXDomain: true, withUpdateXDomain: true}); } else { return { x: config.axis_x_min, y: config.axis_y_min, y2: config.axis_y2_min }; } }; c3_chart_fn.axis.range = function (range) { if (arguments.length) { if (isDefined(range.max)) { this.axis.max(range.max); } if (isDefined(range.min)) { this.axis.min(range.min); } } else { return { max: this.axis.max(), min: this.axis.min() }; } }; c3_chart_fn.legend = function () { }; c3_chart_fn.legend.show = function (targetIds) { var $$ = this.internal; $$.showLegend($$.mapToTargetIds(targetIds)); $$.updateAndRedraw({withLegend: true}); }; c3_chart_fn.legend.hide = function (targetIds) { var $$ = this.internal; $$.hideLegend($$.mapToTargetIds(targetIds)); $$.updateAndRedraw({withLegend: true}); }; c3_chart_fn.resize = function (size) { var $$ = this.internal, config = $$.config; config.size_width = size ? size.width : null; config.size_height = size ? size.height : null; this.flush(); }; c3_chart_fn.flush = function () { var $$ = this.internal; $$.updateAndRedraw({withLegend: true, withTransition: false, withTransitionForTransform: false}); }; c3_chart_fn.destroy = function () { var $$ = this.internal; window.clearInterval($$.intervalForObserveInserted); if ($$.resizeTimeout !== undefined) { window.clearTimeout($$.resizeTimeout); } if (window.detachEvent) { window.detachEvent('onresize', $$.resizeFunction); } else if (window.removeEventListener) { window.removeEventListener('resize', $$.resizeFunction); } else { var wrapper = window.onresize; // check if no one else removed our wrapper and remove our resizeFunction from it if (wrapper && wrapper.add && wrapper.remove) { wrapper.remove($$.resizeFunction); } } $$.selectChart.classed('c3', false).html(""); // MEMO: this is needed because the reference of some elements will not be released, then memory leak will happen. Object.keys($$).forEach(function (key) { $$[key] = null; }); return null; }; c3_chart_fn.tooltip = function () { }; c3_chart_fn.tooltip.show = function (args) { var $$ = this.internal, index, mouse; // determine mouse position on the chart if (args.mouse) { mouse = args.mouse; } // determine focus data if (args.data) { if ($$.isMultipleX()) { // if multiple xs, target point will be determined by mouse mouse = [$$.x(args.data.x), $$.getYScale(args.data.id)(args.data.value)]; index = null; } else { // TODO: when tooltip_grouped = false index = isValue(args.data.index) ? args.data.index : $$.getIndexByX(args.data.x); } } else if (typeof args.x !== 'undefined') { index = $$.getIndexByX(args.x); } else if (typeof args.index !== 'undefined') { index = args.index; } // emulate mouse events to show $$.dispatchEvent('mouseover', index, mouse); $$.dispatchEvent('mousemove', index, mouse); $$.config.tooltip_onshow.call($$, args.data); }; c3_chart_fn.tooltip.hide = function () { // TODO: get target data by checking the state of focus this.internal.dispatchEvent('mouseout', 0); this.internal.config.tooltip_onhide.call(this); }; // Features: // 1. category axis // 2. ceil values of translate/x/y to int for half pixel antialiasing // 3. multiline tick text var tickTextCharSize; function c3_axis(d3, params) { var scale = d3.scale.linear(), orient = "bottom", innerTickSize = 6, outerTickSize, tickPadding = 3, tickValues = null, tickFormat, tickArguments; var tickOffset = 0, tickCulling = true, tickCentered; params = params || {}; outerTickSize = params.withOuterTick ? 6 : 0; function axisX(selection, x) { selection.attr("transform", function (d) { return "translate(" + Math.ceil(x(d) + tickOffset) + ", 0)"; }); } function axisY(selection, y) { selection.attr("transform", function (d) { return "translate(0," + Math.ceil(y(d)) + ")"; }); } function scaleExtent(domain) { var start = domain[0], stop = domain[domain.length - 1]; return start < stop ? [start, stop] : [stop, start]; } function generateTicks(scale) { var i, domain, ticks = []; if (scale.ticks) { return scale.ticks.apply(scale, tickArguments); } domain = scale.domain(); for (i = Math.ceil(domain[0]); i < domain[1]; i++) { ticks.push(i); } if (ticks.length > 0 && ticks[0] > 0) { ticks.unshift(ticks[0] - (ticks[1] - ticks[0])); } return ticks; } function copyScale() { var newScale = scale.copy(), domain; if (params.isCategory) { domain = scale.domain(); newScale.domain([domain[0], domain[1] - 1]); } return newScale; } function textFormatted(v) { var formatted = tickFormat ? tickFormat(v) : v; return typeof formatted !== 'undefined' ? formatted : ''; } function getSizeFor1Char(tick) { if (tickTextCharSize) { return tickTextCharSize; } var size = { h: 11.5, w: 5.5 }; tick.select('text').text(textFormatted).each(function (d) { var box = this.getBoundingClientRect(), text = textFormatted(d), h = box.height, w = text ? (box.width / text.length) : undefined; if (h && w) { size.h = h; size.w = w; } }).text(''); tickTextCharSize = size; return size; } function transitionise(selection) { return params.withoutTransition ? selection : d3.transition(selection); } function axis(g) { g.each(function () { var g = axis.g = d3.select(this); var scale0 = this.__chart__ || scale, scale1 = this.__chart__ = copyScale(); var ticks = tickValues ? tickValues : generateTicks(scale1), tick = g.selectAll(".tick").data(ticks, scale1), tickEnter = tick.enter().insert("g", ".domain").attr("class", "tick").style("opacity", 1e-6), // MEMO: No exit transition. The reason is this transition affects max tick width calculation because old tick will be included in the ticks. tickExit = tick.exit().remove(), tickUpdate = transitionise(tick).style("opacity", 1), tickTransform, tickX, tickY; var range = scale.rangeExtent ? scale.rangeExtent() : scaleExtent(scale.range()), path = g.selectAll(".domain").data([0]), pathUpdate = (path.enter().append("path").attr("class", "domain"), transitionise(path)); tickEnter.append("line"); tickEnter.append("text"); var lineEnter = tickEnter.select("line"), lineUpdate = tickUpdate.select("line"), textEnter = tickEnter.select("text"), textUpdate = tickUpdate.select("text"); if (params.isCategory) { tickOffset = Math.ceil((scale1(1) - scale1(0)) / 2); tickX = tickCentered ? 0 : tickOffset; tickY = tickCentered ? tickOffset : 0; } else { tickOffset = tickX = 0; } var text, tspan, sizeFor1Char = getSizeFor1Char(g.select('.tick')), counts = []; var tickLength = Math.max(innerTickSize, 0) + tickPadding, isVertical = orient === 'left' || orient === 'right'; // this should be called only when category axis function splitTickText(d, maxWidth) { var tickText = textFormatted(d), subtext, spaceIndex, textWidth, splitted = []; if (Object.prototype.toString.call(tickText) === "[object Array]") { return tickText; } if (!maxWidth || maxWidth <= 0) { maxWidth = isVertical ? 95 : params.isCategory ? (Math.ceil(scale1(ticks[1]) - scale1(ticks[0])) - 12) : 110; } function split(splitted, text) { spaceIndex = undefined; for (var i = 1; i < text.length; i++) { if (text.charAt(i) === ' ') { spaceIndex = i; } subtext = text.substr(0, i + 1); textWidth = sizeFor1Char.w * subtext.length; // if text width gets over tick width, split by space index or crrent index if (maxWidth < textWidth) { return split( splitted.concat(text.substr(0, spaceIndex ? spaceIndex : i)), text.slice(spaceIndex ? spaceIndex + 1 : i) ); } } return splitted.concat(text); } return split(splitted, tickText + ""); } function tspanDy(d, i) { var dy = sizeFor1Char.h; if (i === 0) { if (orient === 'left' || orient === 'right') { dy = -((counts[d.index] - 1) * (sizeFor1Char.h / 2) - 3); } else { dy = ".71em"; } } return dy; } function tickSize(d) { var tickPosition = scale(d) + (tickCentered ? 0 : tickOffset); return range[0] < tickPosition && tickPosition < range[1] ? innerTickSize : 0; } text = tick.select("text"); tspan = text.selectAll('tspan') .data(function (d, i) { var splitted = params.tickMultiline ? splitTickText(d, params.tickWidth) : [].concat(textFormatted(d)); counts[i] = splitted.length; return splitted.map(function (s) { return {index: i, splitted: s}; }); }); tspan.enter().append('tspan'); tspan.exit().remove(); tspan.text(function (d) { return d.splitted; }); var rotate = params.tickTextRotate; function textAnchorForText(rotate) { if (!rotate) { return 'middle'; } return rotate > 0 ? "start" : "end"; } function textTransform(rotate) { if (!rotate) { return ''; } return "rotate(" + rotate + ")"; } function dxForText(rotate) { if (!rotate) { return 0; } return 8 * Math.sin(Math.PI * (rotate / 180)); } function yForText(rotate) { if (!rotate) { return tickLength; } return 11.5 - 2.5 * (rotate / 15) * (rotate > 0 ? 1 : -1); } switch (orient) { case "bottom": { tickTransform = axisX; lineEnter.attr("y2", innerTickSize); textEnter.attr("y", tickLength); lineUpdate.attr("x1", tickX).attr("x2", tickX).attr("y2", tickSize); textUpdate.attr("x", 0).attr("y", yForText(rotate)) .style("text-anchor", textAnchorForText(rotate)) .attr("transform", textTransform(rotate)); tspan.attr('x', 0).attr("dy", tspanDy).attr('dx', dxForText(rotate)); pathUpdate.attr("d", "M" + range[0] + "," + outerTickSize + "V0H" + range[1] + "V" + outerTickSize); break; } case "top": { // TODO: rotated tick text tickTransform = axisX; lineEnter.attr("y2", -innerTickSize); textEnter.attr("y", -tickLength); lineUpdate.attr("x2", 0).attr("y2", -innerTickSize); textUpdate.attr("x", 0).attr("y", -tickLength); text.style("text-anchor", "middle"); tspan.attr('x', 0).attr("dy", "0em"); pathUpdate.attr("d", "M" + range[0] + "," + -outerTickSize + "V0H" + range[1] + "V" + -outerTickSize); break; } case "left": { tickTransform = axisY; lineEnter.attr("x2", -innerTickSize); textEnter.attr("x", -tickLength); lineUpdate.attr("x2", -innerTickSize).attr("y1", tickY).attr("y2", tickY); textUpdate.attr("x", -tickLength).attr("y", tickOffset); text.style("text-anchor", "end"); tspan.attr('x', -tickLength).attr("dy", tspanDy); pathUpdate.attr("d", "M" + -outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + -outerTickSize); break; } case "right": { tickTransform = axisY; lineEnter.attr("x2", innerTickSize); textEnter.attr("x", tickLength); lineUpdate.attr("x2", innerTickSize).attr("y2", 0); textUpdate.attr("x", tickLength).attr("y", 0); text.style("text-anchor", "start"); tspan.attr('x', tickLength).attr("dy", tspanDy); pathUpdate.attr("d", "M" + outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + outerTickSize); break; } } if (scale1.rangeBand) { var x = scale1, dx = x.rangeBand() / 2; scale0 = scale1 = function (d) { return x(d) + dx; }; } else if (scale0.rangeBand) { scale0 = scale1; } else { tickExit.call(tickTransform, scale1); } tickEnter.call(tickTransform, scale0); tickUpdate.call(tickTransform, scale1); }); } axis.scale = function (x) { if (!arguments.length) { return scale; } scale = x; return axis; }; axis.orient = function (x) { if (!arguments.length) { return orient; } orient = x in {top: 1, right: 1, bottom: 1, left: 1} ? x + "" : "bottom"; return axis; }; axis.tickFormat = function (format) { if (!arguments.length) { return tickFormat; } tickFormat = format; return axis; }; axis.tickCentered = function (isCentered) { if (!arguments.length) { return tickCentered; } tickCentered = isCentered; return axis; }; axis.tickOffset = function () { return tickOffset; }; axis.tickInterval = function () { var interval, length; if (params.isCategory) { interval = tickOffset * 2; } else { length = axis.g.select('path.domain').node().getTotalLength() - outerTickSize * 2; interval = length / axis.g.selectAll('line').size(); } return interval === Infinity ? 0 : interval; }; axis.ticks = function () { if (!arguments.length) { return tickArguments; } tickArguments = arguments; return axis; }; axis.tickCulling = function (culling) { if (!arguments.length) { return tickCulling; } tickCulling = culling; return axis; }; axis.tickValues = function (x) { if (typeof x === 'function') { tickValues = function () { return x(scale.domain()); }; } else { if (!arguments.length) { return tickValues; } tickValues = x; } return axis; }; return axis; } c3_chart_internal_fn.isSafari = function () { var ua = window.navigator.userAgent; return ua.indexOf('Safari') >= 0 && ua.indexOf('Chrome') < 0; }; c3_chart_internal_fn.isChrome = function () { var ua = window.navigator.userAgent; return ua.indexOf('Chrome') >= 0; }; /* jshint ignore:start */ // PhantomJS doesn't have support for Function.prototype.bind, which has caused confusion. Use // this polyfill to avoid the confusion. // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind#Polyfill if (!Function.prototype.bind) { Function.prototype.bind = function (oThis) { if (typeof this !== 'function') { // closest thing possible to the ECMAScript 5 // internal IsCallable function throw new TypeError('Function.prototype.bind - what is trying to be bound is not callable'); } var aArgs = Array.prototype.slice.call(arguments, 1), fToBind = this, fNOP = function () { }, fBound = function () { return fToBind.apply(this instanceof fNOP ? this : oThis, aArgs.concat(Array.prototype.slice.call(arguments))); }; fNOP.prototype = this.prototype; fBound.prototype = new fNOP(); return fBound; }; } //SVGPathSeg API polyfill //https://github.com/progers/pathseg // //This is a drop-in replacement for the SVGPathSeg and SVGPathSegList APIs that were removed from //SVG2 (https://lists.w3.org/Archives/Public/www-svg/2015Jun/0044.html), including the latest spec //changes which were implemented in Firefox 43 and Chrome 46. //Chrome 48 removes these APIs, so this polyfill is required. (function () { "use strict"; if (!("SVGPathSeg" in window)) { // Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSeg window.SVGPathSeg = function (type, typeAsLetter, owningPathSegList) { this.pathSegType = type; this.pathSegTypeAsLetter = typeAsLetter; this._owningPathSegList = owningPathSegList; } SVGPathSeg.PATHSEG_UNKNOWN = 0; SVGPathSeg.PATHSEG_CLOSEPATH = 1; SVGPathSeg.PATHSEG_MOVETO_ABS = 2; SVGPathSeg.PATHSEG_MOVETO_REL = 3; SVGPathSeg.PATHSEG_LINETO_ABS = 4; SVGPathSeg.PATHSEG_LINETO_REL = 5; SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS = 6; SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL = 7; SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS = 8; SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL = 9; SVGPathSeg.PATHSEG_ARC_ABS = 10; SVGPathSeg.PATHSEG_ARC_REL = 11; SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS = 12; SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL = 13; SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS = 14; SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL = 15; SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS = 16; SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL = 17; SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS = 18; SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL = 19; // Notify owning PathSegList on any changes so they can be synchronized back to the path element. SVGPathSeg.prototype._segmentChanged = function () { if (this._owningPathSegList) this._owningPathSegList.segmentChanged(this); } window.SVGPathSegClosePath = function (owningPathSegList) { SVGPathSeg.call(this, SVGPathSeg.PATHSEG_CLOSEPATH, "z", owningPathSegList); } SVGPathSegClosePath.prototype = Object.create(SVGPathSeg.prototype); SVGPathSegClosePath.prototype.toString = function () { return "[object SVGPathSegClosePath]"; } SVGPathSegClosePath.prototype._asPathString = function () { return this.pathSegTypeAsLetter; } SVGPathSegClosePath.prototype.clone = function () { return new SVGPathSegClosePath(undefined); } window.SVGPathSegMovetoAbs = function (owningPathSegList, x, y) { SVGPathSeg.call(this, SVGPathSeg.PATHSEG_MOVETO_ABS, "M", owningPathSegList); this._x = x; this._y = y; } SVGPathSegMovetoAbs.prototype = Object.create(SVGPathSeg.prototype); SVGPathSegMovetoAbs.prototype.toString = function () { return "[object SVGPathSegMovetoAbs]"; } SVGPathSegMovetoAbs.prototype._asPathString = function () { return this.pathSegTypeAsLetter + " " + this._x + " " + this._y; } SVGPathSegMovetoAbs.prototype.clone = function () { return new SVGPathSegMovetoAbs(undefined, this._x, this._y); } Object.defineProperty(SVGPathSegMovetoAbs.prototype, "x", { get: function () { return this._x; }, set: function (x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegMovetoAbs.prototype, "y", { get: function () { return this._y; }, set: function (y) { this._y = y; this._segmentChanged(); }, enumerable: true }); window.SVGPathSegMovetoRel = function (owningPathSegList, x, y) { SVGPathSeg.call(this, SVGPathSeg.PATHSEG_MOVETO_REL, "m", owningPathSegList); this._x = x; this._y = y; } SVGPathSegMovetoRel.prototype = Object.create(SVGPathSeg.prototype); SVGPathSegMovetoRel.prototype.toString = function () { return "[object SVGPathSegMovetoRel]"; } SVGPathSegMovetoRel.prototype._asPathString = function () { return this.pathSegTypeAsLetter + " " + this._x + " " + this._y; } SVGPathSegMovetoRel.prototype.clone = function () { return new SVGPathSegMovetoRel(undefined, this._x, this._y); } Object.defineProperty(SVGPathSegMovetoRel.prototype, "x", { get: function () { return this._x; }, set: function (x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegMovetoRel.prototype, "y", { get: function () { return this._y; }, set: function (y) { this._y = y; this._segmentChanged(); }, enumerable: true }); window.SVGPathSegLinetoAbs = function (owningPathSegList, x, y) { SVGPathSeg.call(this, SVGPathSeg.PATHSEG_LINETO_ABS, "L", owningPathSegList); this._x = x; this._y = y; } SVGPathSegLinetoAbs.prototype = Object.create(SVGPathSeg.prototype); SVGPathSegLinetoAbs.prototype.toString = function () { return "[object SVGPathSegLinetoAbs]"; } SVGPathSegLinetoAbs.prototype._asPathString = function () { return this.pathSegTypeAsLetter + " " + this._x + " " + this._y; } SVGPathSegLinetoAbs.prototype.clone = function () { return new SVGPathSegLinetoAbs(undefined, this._x, this._y); } Object.defineProperty(SVGPathSegLinetoAbs.prototype, "x", { get: function () { return this._x; }, set: function (x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegLinetoAbs.prototype, "y", { get: function () { return this._y; }, set: function (y) { this._y = y; this._segmentChanged(); }, enumerable: true }); window.SVGPathSegLinetoRel = function (owningPathSegList, x, y) { SVGPathSeg.call(this, SVGPathSeg.PATHSEG_LINETO_REL, "l", owningPathSegList); this._x = x; this._y = y; } SVGPathSegLinetoRel.prototype = Object.create(SVGPathSeg.prototype); SVGPathSegLinetoRel.prototype.toString = function () { return "[object SVGPathSegLinetoRel]"; } SVGPathSegLinetoRel.prototype._asPathString = function () { return this.pathSegTypeAsLetter + " " + this._x + " " + this._y; } SVGPathSegLinetoRel.prototype.clone = function () { return new SVGPathSegLinetoRel(undefined, this._x, this._y); } Object.defineProperty(SVGPathSegLinetoRel.prototype, "x", { get: function () { return this._x; }, set: function (x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegLinetoRel.prototype, "y", { get: function () { return this._y; }, set: function (y) { this._y = y; this._segmentChanged(); }, enumerable: true }); window.SVGPathSegCurvetoCubicAbs = function (owningPathSegList, x, y, x1, y1, x2, y2) { SVGPathSeg.call(this, SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS, "C", owningPathSegList); this._x = x; this._y = y; this._x1 = x1; this._y1 = y1; this._x2 = x2; this._y2 = y2; } SVGPathSegCurvetoCubicAbs.prototype = Object.create(SVGPathSeg.prototype); SVGPathSegCurvetoCubicAbs.prototype.toString = function () { return "[object SVGPathSegCurvetoCubicAbs]"; } SVGPathSegCurvetoCubicAbs.prototype._asPathString = function () { return this.pathSegTypeAsLetter + " " + this._x1 + " " + this._y1 + " " + this._x2 + " " + this._y2 + " " + this._x + " " + this._y; } SVGPathSegCurvetoCubicAbs.prototype.clone = function () { return new SVGPathSegCurvetoCubicAbs(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2); } Object.defineProperty(SVGPathSegCurvetoCubicAbs.prototype, "x", { get: function () { return this._x; }, set: function (x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegCurvetoCubicAbs.prototype, "y", { get: function () { return this._y; }, set: function (y) { this._y = y; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegCurvetoCubicAbs.prototype, "x1", { get: function () { return this._x1; }, set: function (x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegCurvetoCubicAbs.prototype, "y1", { get: function () { return this._y1; }, set: function (y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegCurvetoCubicAbs.prototype, "x2", { get: function () { return this._x2; }, set: function (x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegCurvetoCubicAbs.prototype, "y2", { get: function () { return this._y2; }, set: function (y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true }); window.SVGPathSegCurvetoCubicRel = function (owningPathSegList, x, y, x1, y1, x2, y2) { SVGPathSeg.call(this, SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL, "c", owningPathSegList); this._x = x; this._y = y; this._x1 = x1; this._y1 = y1; this._x2 = x2; this._y2 = y2; } SVGPathSegCurvetoCubicRel.prototype = Object.create(SVGPathSeg.prototype); SVGPathSegCurvetoCubicRel.prototype.toString = function () { return "[object SVGPathSegCurvetoCubicRel]"; } SVGPathSegCurvetoCubicRel.prototype._asPathString = function () { return this.pathSegTypeAsLetter + " " + this._x1 + " " + this._y1 + " " + this._x2 + " " + this._y2 + " " + this._x + " " + this._y; } SVGPathSegCurvetoCubicRel.prototype.clone = function () { return new SVGPathSegCurvetoCubicRel(undefined, this._x, this._y, this._x1, this._y1, this._x2, this._y2); } Object.defineProperty(SVGPathSegCurvetoCubicRel.prototype, "x", { get: function () { return this._x; }, set: function (x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegCurvetoCubicRel.prototype, "y", { get: function () { return this._y; }, set: function (y) { this._y = y; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegCurvetoCubicRel.prototype, "x1", { get: function () { return this._x1; }, set: function (x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegCurvetoCubicRel.prototype, "y1", { get: function () { return this._y1; }, set: function (y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegCurvetoCubicRel.prototype, "x2", { get: function () { return this._x2; }, set: function (x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegCurvetoCubicRel.prototype, "y2", { get: function () { return this._y2; }, set: function (y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true }); window.SVGPathSegCurvetoQuadraticAbs = function (owningPathSegList, x, y, x1, y1) { SVGPathSeg.call(this, SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS, "Q", owningPathSegList); this._x = x; this._y = y; this._x1 = x1; this._y1 = y1; } SVGPathSegCurvetoQuadraticAbs.prototype = Object.create(SVGPathSeg.prototype); SVGPathSegCurvetoQuadraticAbs.prototype.toString = function () { return "[object SVGPathSegCurvetoQuadraticAbs]"; } SVGPathSegCurvetoQuadraticAbs.prototype._asPathString = function () { return this.pathSegTypeAsLetter + " " + this._x1 + " " + this._y1 + " " + this._x + " " + this._y; } SVGPathSegCurvetoQuadraticAbs.prototype.clone = function () { return new SVGPathSegCurvetoQuadraticAbs(undefined, this._x, this._y, this._x1, this._y1); } Object.defineProperty(SVGPathSegCurvetoQuadraticAbs.prototype, "x", { get: function () { return this._x; }, set: function (x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegCurvetoQuadraticAbs.prototype, "y", { get: function () { return this._y; }, set: function (y) { this._y = y; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegCurvetoQuadraticAbs.prototype, "x1", { get: function () { return this._x1; }, set: function (x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegCurvetoQuadraticAbs.prototype, "y1", { get: function () { return this._y1; }, set: function (y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true }); window.SVGPathSegCurvetoQuadraticRel = function (owningPathSegList, x, y, x1, y1) { SVGPathSeg.call(this, SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL, "q", owningPathSegList); this._x = x; this._y = y; this._x1 = x1; this._y1 = y1; } SVGPathSegCurvetoQuadraticRel.prototype = Object.create(SVGPathSeg.prototype); SVGPathSegCurvetoQuadraticRel.prototype.toString = function () { return "[object SVGPathSegCurvetoQuadraticRel]"; } SVGPathSegCurvetoQuadraticRel.prototype._asPathString = function () { return this.pathSegTypeAsLetter + " " + this._x1 + " " + this._y1 + " " + this._x + " " + this._y; } SVGPathSegCurvetoQuadraticRel.prototype.clone = function () { return new SVGPathSegCurvetoQuadraticRel(undefined, this._x, this._y, this._x1, this._y1); } Object.defineProperty(SVGPathSegCurvetoQuadraticRel.prototype, "x", { get: function () { return this._x; }, set: function (x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegCurvetoQuadraticRel.prototype, "y", { get: function () { return this._y; }, set: function (y) { this._y = y; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegCurvetoQuadraticRel.prototype, "x1", { get: function () { return this._x1; }, set: function (x1) { this._x1 = x1; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegCurvetoQuadraticRel.prototype, "y1", { get: function () { return this._y1; }, set: function (y1) { this._y1 = y1; this._segmentChanged(); }, enumerable: true }); window.SVGPathSegArcAbs = function (owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) { SVGPathSeg.call(this, SVGPathSeg.PATHSEG_ARC_ABS, "A", owningPathSegList); this._x = x; this._y = y; this._r1 = r1; this._r2 = r2; this._angle = angle; this._largeArcFlag = largeArcFlag; this._sweepFlag = sweepFlag; } SVGPathSegArcAbs.prototype = Object.create(SVGPathSeg.prototype); SVGPathSegArcAbs.prototype.toString = function () { return "[object SVGPathSegArcAbs]"; } SVGPathSegArcAbs.prototype._asPathString = function () { return this.pathSegTypeAsLetter + " " + this._r1 + " " + this._r2 + " " + this._angle + " " + (this._largeArcFlag ? "1" : "0") + " " + (this._sweepFlag ? "1" : "0") + " " + this._x + " " + this._y; } SVGPathSegArcAbs.prototype.clone = function () { return new SVGPathSegArcAbs(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag); } Object.defineProperty(SVGPathSegArcAbs.prototype, "x", { get: function () { return this._x; }, set: function (x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegArcAbs.prototype, "y", { get: function () { return this._y; }, set: function (y) { this._y = y; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegArcAbs.prototype, "r1", { get: function () { return this._r1; }, set: function (r1) { this._r1 = r1; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegArcAbs.prototype, "r2", { get: function () { return this._r2; }, set: function (r2) { this._r2 = r2; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegArcAbs.prototype, "angle", { get: function () { return this._angle; }, set: function (angle) { this._angle = angle; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegArcAbs.prototype, "largeArcFlag", { get: function () { return this._largeArcFlag; }, set: function (largeArcFlag) { this._largeArcFlag = largeArcFlag; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegArcAbs.prototype, "sweepFlag", { get: function () { return this._sweepFlag; }, set: function (sweepFlag) { this._sweepFlag = sweepFlag; this._segmentChanged(); }, enumerable: true }); window.SVGPathSegArcRel = function (owningPathSegList, x, y, r1, r2, angle, largeArcFlag, sweepFlag) { SVGPathSeg.call(this, SVGPathSeg.PATHSEG_ARC_REL, "a", owningPathSegList); this._x = x; this._y = y; this._r1 = r1; this._r2 = r2; this._angle = angle; this._largeArcFlag = largeArcFlag; this._sweepFlag = sweepFlag; } SVGPathSegArcRel.prototype = Object.create(SVGPathSeg.prototype); SVGPathSegArcRel.prototype.toString = function () { return "[object SVGPathSegArcRel]"; } SVGPathSegArcRel.prototype._asPathString = function () { return this.pathSegTypeAsLetter + " " + this._r1 + " " + this._r2 + " " + this._angle + " " + (this._largeArcFlag ? "1" : "0") + " " + (this._sweepFlag ? "1" : "0") + " " + this._x + " " + this._y; } SVGPathSegArcRel.prototype.clone = function () { return new SVGPathSegArcRel(undefined, this._x, this._y, this._r1, this._r2, this._angle, this._largeArcFlag, this._sweepFlag); } Object.defineProperty(SVGPathSegArcRel.prototype, "x", { get: function () { return this._x; }, set: function (x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegArcRel.prototype, "y", { get: function () { return this._y; }, set: function (y) { this._y = y; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegArcRel.prototype, "r1", { get: function () { return this._r1; }, set: function (r1) { this._r1 = r1; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegArcRel.prototype, "r2", { get: function () { return this._r2; }, set: function (r2) { this._r2 = r2; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegArcRel.prototype, "angle", { get: function () { return this._angle; }, set: function (angle) { this._angle = angle; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegArcRel.prototype, "largeArcFlag", { get: function () { return this._largeArcFlag; }, set: function (largeArcFlag) { this._largeArcFlag = largeArcFlag; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegArcRel.prototype, "sweepFlag", { get: function () { return this._sweepFlag; }, set: function (sweepFlag) { this._sweepFlag = sweepFlag; this._segmentChanged(); }, enumerable: true }); window.SVGPathSegLinetoHorizontalAbs = function (owningPathSegList, x) { SVGPathSeg.call(this, SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS, "H", owningPathSegList); this._x = x; } SVGPathSegLinetoHorizontalAbs.prototype = Object.create(SVGPathSeg.prototype); SVGPathSegLinetoHorizontalAbs.prototype.toString = function () { return "[object SVGPathSegLinetoHorizontalAbs]"; } SVGPathSegLinetoHorizontalAbs.prototype._asPathString = function () { return this.pathSegTypeAsLetter + " " + this._x; } SVGPathSegLinetoHorizontalAbs.prototype.clone = function () { return new SVGPathSegLinetoHorizontalAbs(undefined, this._x); } Object.defineProperty(SVGPathSegLinetoHorizontalAbs.prototype, "x", { get: function () { return this._x; }, set: function (x) { this._x = x; this._segmentChanged(); }, enumerable: true }); window.SVGPathSegLinetoHorizontalRel = function (owningPathSegList, x) { SVGPathSeg.call(this, SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL, "h", owningPathSegList); this._x = x; } SVGPathSegLinetoHorizontalRel.prototype = Object.create(SVGPathSeg.prototype); SVGPathSegLinetoHorizontalRel.prototype.toString = function () { return "[object SVGPathSegLinetoHorizontalRel]"; } SVGPathSegLinetoHorizontalRel.prototype._asPathString = function () { return this.pathSegTypeAsLetter + " " + this._x; } SVGPathSegLinetoHorizontalRel.prototype.clone = function () { return new SVGPathSegLinetoHorizontalRel(undefined, this._x); } Object.defineProperty(SVGPathSegLinetoHorizontalRel.prototype, "x", { get: function () { return this._x; }, set: function (x) { this._x = x; this._segmentChanged(); }, enumerable: true }); window.SVGPathSegLinetoVerticalAbs = function (owningPathSegList, y) { SVGPathSeg.call(this, SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS, "V", owningPathSegList); this._y = y; } SVGPathSegLinetoVerticalAbs.prototype = Object.create(SVGPathSeg.prototype); SVGPathSegLinetoVerticalAbs.prototype.toString = function () { return "[object SVGPathSegLinetoVerticalAbs]"; } SVGPathSegLinetoVerticalAbs.prototype._asPathString = function () { return this.pathSegTypeAsLetter + " " + this._y; } SVGPathSegLinetoVerticalAbs.prototype.clone = function () { return new SVGPathSegLinetoVerticalAbs(undefined, this._y); } Object.defineProperty(SVGPathSegLinetoVerticalAbs.prototype, "y", { get: function () { return this._y; }, set: function (y) { this._y = y; this._segmentChanged(); }, enumerable: true }); window.SVGPathSegLinetoVerticalRel = function (owningPathSegList, y) { SVGPathSeg.call(this, SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL, "v", owningPathSegList); this._y = y; } SVGPathSegLinetoVerticalRel.prototype = Object.create(SVGPathSeg.prototype); SVGPathSegLinetoVerticalRel.prototype.toString = function () { return "[object SVGPathSegLinetoVerticalRel]"; } SVGPathSegLinetoVerticalRel.prototype._asPathString = function () { return this.pathSegTypeAsLetter + " " + this._y; } SVGPathSegLinetoVerticalRel.prototype.clone = function () { return new SVGPathSegLinetoVerticalRel(undefined, this._y); } Object.defineProperty(SVGPathSegLinetoVerticalRel.prototype, "y", { get: function () { return this._y; }, set: function (y) { this._y = y; this._segmentChanged(); }, enumerable: true }); window.SVGPathSegCurvetoCubicSmoothAbs = function (owningPathSegList, x, y, x2, y2) { SVGPathSeg.call(this, SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS, "S", owningPathSegList); this._x = x; this._y = y; this._x2 = x2; this._y2 = y2; } SVGPathSegCurvetoCubicSmoothAbs.prototype = Object.create(SVGPathSeg.prototype); SVGPathSegCurvetoCubicSmoothAbs.prototype.toString = function () { return "[object SVGPathSegCurvetoCubicSmoothAbs]"; } SVGPathSegCurvetoCubicSmoothAbs.prototype._asPathString = function () { return this.pathSegTypeAsLetter + " " + this._x2 + " " + this._y2 + " " + this._x + " " + this._y; } SVGPathSegCurvetoCubicSmoothAbs.prototype.clone = function () { return new SVGPathSegCurvetoCubicSmoothAbs(undefined, this._x, this._y, this._x2, this._y2); } Object.defineProperty(SVGPathSegCurvetoCubicSmoothAbs.prototype, "x", { get: function () { return this._x; }, set: function (x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegCurvetoCubicSmoothAbs.prototype, "y", { get: function () { return this._y; }, set: function (y) { this._y = y; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegCurvetoCubicSmoothAbs.prototype, "x2", { get: function () { return this._x2; }, set: function (x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegCurvetoCubicSmoothAbs.prototype, "y2", { get: function () { return this._y2; }, set: function (y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true }); window.SVGPathSegCurvetoCubicSmoothRel = function (owningPathSegList, x, y, x2, y2) { SVGPathSeg.call(this, SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL, "s", owningPathSegList); this._x = x; this._y = y; this._x2 = x2; this._y2 = y2; } SVGPathSegCurvetoCubicSmoothRel.prototype = Object.create(SVGPathSeg.prototype); SVGPathSegCurvetoCubicSmoothRel.prototype.toString = function () { return "[object SVGPathSegCurvetoCubicSmoothRel]"; } SVGPathSegCurvetoCubicSmoothRel.prototype._asPathString = function () { return this.pathSegTypeAsLetter + " " + this._x2 + " " + this._y2 + " " + this._x + " " + this._y; } SVGPathSegCurvetoCubicSmoothRel.prototype.clone = function () { return new SVGPathSegCurvetoCubicSmoothRel(undefined, this._x, this._y, this._x2, this._y2); } Object.defineProperty(SVGPathSegCurvetoCubicSmoothRel.prototype, "x", { get: function () { return this._x; }, set: function (x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegCurvetoCubicSmoothRel.prototype, "y", { get: function () { return this._y; }, set: function (y) { this._y = y; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegCurvetoCubicSmoothRel.prototype, "x2", { get: function () { return this._x2; }, set: function (x2) { this._x2 = x2; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegCurvetoCubicSmoothRel.prototype, "y2", { get: function () { return this._y2; }, set: function (y2) { this._y2 = y2; this._segmentChanged(); }, enumerable: true }); window.SVGPathSegCurvetoQuadraticSmoothAbs = function (owningPathSegList, x, y) { SVGPathSeg.call(this, SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS, "T", owningPathSegList); this._x = x; this._y = y; } SVGPathSegCurvetoQuadraticSmoothAbs.prototype = Object.create(SVGPathSeg.prototype); SVGPathSegCurvetoQuadraticSmoothAbs.prototype.toString = function () { return "[object SVGPathSegCurvetoQuadraticSmoothAbs]"; } SVGPathSegCurvetoQuadraticSmoothAbs.prototype._asPathString = function () { return this.pathSegTypeAsLetter + " " + this._x + " " + this._y; } SVGPathSegCurvetoQuadraticSmoothAbs.prototype.clone = function () { return new SVGPathSegCurvetoQuadraticSmoothAbs(undefined, this._x, this._y); } Object.defineProperty(SVGPathSegCurvetoQuadraticSmoothAbs.prototype, "x", { get: function () { return this._x; }, set: function (x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegCurvetoQuadraticSmoothAbs.prototype, "y", { get: function () { return this._y; }, set: function (y) { this._y = y; this._segmentChanged(); }, enumerable: true }); window.SVGPathSegCurvetoQuadraticSmoothRel = function (owningPathSegList, x, y) { SVGPathSeg.call(this, SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL, "t", owningPathSegList); this._x = x; this._y = y; } SVGPathSegCurvetoQuadraticSmoothRel.prototype = Object.create(SVGPathSeg.prototype); SVGPathSegCurvetoQuadraticSmoothRel.prototype.toString = function () { return "[object SVGPathSegCurvetoQuadraticSmoothRel]"; } SVGPathSegCurvetoQuadraticSmoothRel.prototype._asPathString = function () { return this.pathSegTypeAsLetter + " " + this._x + " " + this._y; } SVGPathSegCurvetoQuadraticSmoothRel.prototype.clone = function () { return new SVGPathSegCurvetoQuadraticSmoothRel(undefined, this._x, this._y); } Object.defineProperty(SVGPathSegCurvetoQuadraticSmoothRel.prototype, "x", { get: function () { return this._x; }, set: function (x) { this._x = x; this._segmentChanged(); }, enumerable: true }); Object.defineProperty(SVGPathSegCurvetoQuadraticSmoothRel.prototype, "y", { get: function () { return this._y; }, set: function (y) { this._y = y; this._segmentChanged(); }, enumerable: true }); // Add createSVGPathSeg* functions to SVGPathElement. // Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathElement. SVGPathElement.prototype.createSVGPathSegClosePath = function () { return new SVGPathSegClosePath(undefined); } SVGPathElement.prototype.createSVGPathSegMovetoAbs = function (x, y) { return new SVGPathSegMovetoAbs(undefined, x, y); } SVGPathElement.prototype.createSVGPathSegMovetoRel = function (x, y) { return new SVGPathSegMovetoRel(undefined, x, y); } SVGPathElement.prototype.createSVGPathSegLinetoAbs = function (x, y) { return new SVGPathSegLinetoAbs(undefined, x, y); } SVGPathElement.prototype.createSVGPathSegLinetoRel = function (x, y) { return new SVGPathSegLinetoRel(undefined, x, y); } SVGPathElement.prototype.createSVGPathSegCurvetoCubicAbs = function (x, y, x1, y1, x2, y2) { return new SVGPathSegCurvetoCubicAbs(undefined, x, y, x1, y1, x2, y2); } SVGPathElement.prototype.createSVGPathSegCurvetoCubicRel = function (x, y, x1, y1, x2, y2) { return new SVGPathSegCurvetoCubicRel(undefined, x, y, x1, y1, x2, y2); } SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticAbs = function (x, y, x1, y1) { return new SVGPathSegCurvetoQuadraticAbs(undefined, x, y, x1, y1); } SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticRel = function (x, y, x1, y1) { return new SVGPathSegCurvetoQuadraticRel(undefined, x, y, x1, y1); } SVGPathElement.prototype.createSVGPathSegArcAbs = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) { return new SVGPathSegArcAbs(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag); } SVGPathElement.prototype.createSVGPathSegArcRel = function (x, y, r1, r2, angle, largeArcFlag, sweepFlag) { return new SVGPathSegArcRel(undefined, x, y, r1, r2, angle, largeArcFlag, sweepFlag); } SVGPathElement.prototype.createSVGPathSegLinetoHorizontalAbs = function (x) { return new SVGPathSegLinetoHorizontalAbs(undefined, x); } SVGPathElement.prototype.createSVGPathSegLinetoHorizontalRel = function (x) { return new SVGPathSegLinetoHorizontalRel(undefined, x); } SVGPathElement.prototype.createSVGPathSegLinetoVerticalAbs = function (y) { return new SVGPathSegLinetoVerticalAbs(undefined, y); } SVGPathElement.prototype.createSVGPathSegLinetoVerticalRel = function (y) { return new SVGPathSegLinetoVerticalRel(undefined, y); } SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothAbs = function (x, y, x2, y2) { return new SVGPathSegCurvetoCubicSmoothAbs(undefined, x, y, x2, y2); } SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothRel = function (x, y, x2, y2) { return new SVGPathSegCurvetoCubicSmoothRel(undefined, x, y, x2, y2); } SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothAbs = function (x, y) { return new SVGPathSegCurvetoQuadraticSmoothAbs(undefined, x, y); } SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothRel = function (x, y) { return new SVGPathSegCurvetoQuadraticSmoothRel(undefined, x, y); } } if (!("SVGPathSegList" in window)) { // Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSegList window.SVGPathSegList = function (pathElement) { this._pathElement = pathElement; this._list = this._parsePath(this._pathElement.getAttribute("d")); // Use a MutationObserver to catch changes to the path's "d" attribute. this._mutationObserverConfig = {"attributes": true, "attributeFilter": ["d"]}; this._pathElementMutationObserver = new MutationObserver(this._updateListFromPathMutations.bind(this)); this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig); } Object.defineProperty(SVGPathSegList.prototype, "numberOfItems", { get: function () { this._checkPathSynchronizedToList(); return this._list.length; }, enumerable: true }); // Add the pathSegList accessors to SVGPathElement. // Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGAnimatedPathData Object.defineProperty(SVGPathElement.prototype, "pathSegList", { get: function () { if (!this._pathSegList) this._pathSegList = new SVGPathSegList(this); return this._pathSegList; }, enumerable: true }); // FIXME: The following are not implemented and simply return SVGPathElement.pathSegList. Object.defineProperty(SVGPathElement.prototype, "normalizedPathSegList", { get: function () { return this.pathSegList; }, enumerable: true }); Object.defineProperty(SVGPathElement.prototype, "animatedPathSegList", { get: function () { return this.pathSegList; }, enumerable: true }); Object.defineProperty(SVGPathElement.prototype, "animatedNormalizedPathSegList", { get: function () { return this.pathSegList; }, enumerable: true }); // Process any pending mutations to the path element and update the list as needed. // This should be the first call of all public functions and is needed because // MutationObservers are not synchronous so we can have pending asynchronous mutations. SVGPathSegList.prototype._checkPathSynchronizedToList = function () { this._updateListFromPathMutations(this._pathElementMutationObserver.takeRecords()); } SVGPathSegList.prototype._updateListFromPathMutations = function (mutationRecords) { if (!this._pathElement) return; var hasPathMutations = false; mutationRecords.forEach(function (record) { if (record.attributeName == "d") hasPathMutations = true; }); if (hasPathMutations) this._list = this._parsePath(this._pathElement.getAttribute("d")); } // Serialize the list and update the path's 'd' attribute. SVGPathSegList.prototype._writeListToPath = function () { this._pathElementMutationObserver.disconnect(); this._pathElement.setAttribute("d", SVGPathSegList._pathSegArrayAsString(this._list)); this._pathElementMutationObserver.observe(this._pathElement, this._mutationObserverConfig); } // When a path segment changes the list needs to be synchronized back to the path element. SVGPathSegList.prototype.segmentChanged = function (pathSeg) { this._writeListToPath(); } SVGPathSegList.prototype.clear = function () { this._checkPathSynchronizedToList(); this._list.forEach(function (pathSeg) { pathSeg._owningPathSegList = null; }); this._list = []; this._writeListToPath(); } SVGPathSegList.prototype.initialize = function (newItem) { this._checkPathSynchronizedToList(); this._list = [newItem]; newItem._owningPathSegList = this; this._writeListToPath(); return newItem; } SVGPathSegList.prototype._checkValidIndex = function (index) { if (isNaN(index) || index < 0 || index >= this.numberOfItems) throw "INDEX_SIZE_ERR"; } SVGPathSegList.prototype.getItem = function (index) { this._checkPathSynchronizedToList(); this._checkValidIndex(index); return this._list[index]; } SVGPathSegList.prototype.insertItemBefore = function (newItem, index) { this._checkPathSynchronizedToList(); // Spec: If the index is greater than or equal to numberOfItems, then the new item is appended to the end of the list. if (index > this.numberOfItems) index = this.numberOfItems; if (newItem._owningPathSegList) { // SVG2 spec says to make a copy. newItem = newItem.clone(); } this._list.splice(index, 0, newItem); newItem._owningPathSegList = this; this._writeListToPath(); return newItem; } SVGPathSegList.prototype.replaceItem = function (newItem, index) { this._checkPathSynchronizedToList(); if (newItem._owningPathSegList) { // SVG2 spec says to make a copy. newItem = newItem.clone(); } this._checkValidIndex(index); this._list[index] = newItem; newItem._owningPathSegList = this; this._writeListToPath(); return newItem; } SVGPathSegList.prototype.removeItem = function (index) { this._checkPathSynchronizedToList(); this._checkValidIndex(index); var item = this._list[index]; this._list.splice(index, 1); this._writeListToPath(); return item; } SVGPathSegList.prototype.appendItem = function (newItem) { this._checkPathSynchronizedToList(); if (newItem._owningPathSegList) { // SVG2 spec says to make a copy. newItem = newItem.clone(); } this._list.push(newItem); newItem._owningPathSegList = this; // TODO: Optimize this to just append to the existing attribute. this._writeListToPath(); return newItem; } SVGPathSegList._pathSegArrayAsString = function (pathSegArray) { var string = ""; var first = true; pathSegArray.forEach(function (pathSeg) { if (first) { first = false; string += pathSeg._asPathString(); } else { string += " " + pathSeg._asPathString(); } }); return string; } // This closely follows SVGPathParser::parsePath from Source/core/svg/SVGPathParser.cpp. SVGPathSegList.prototype._parsePath = function (string) { if (!string || string.length == 0) return []; var owningPathSegList = this; var Builder = function () { this.pathSegList = []; } Builder.prototype.appendSegment = function (pathSeg) { this.pathSegList.push(pathSeg); } var Source = function (string) { this._string = string; this._currentIndex = 0; this._endIndex = this._string.length; this._previousCommand = SVGPathSeg.PATHSEG_UNKNOWN; this._skipOptionalSpaces(); } Source.prototype._isCurrentSpace = function () { var character = this._string[this._currentIndex]; return character <= " " && (character == " " || character == "\n" || character == "\t" || character == "\r" || character == "\f"); } Source.prototype._skipOptionalSpaces = function () { while (this._currentIndex < this._endIndex && this._isCurrentSpace()) this._currentIndex++; return this._currentIndex < this._endIndex; } Source.prototype._skipOptionalSpacesOrDelimiter = function () { if (this._currentIndex < this._endIndex && !this._isCurrentSpace() && this._string.charAt(this._currentIndex) != ",") return false; if (this._skipOptionalSpaces()) { if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) == ",") { this._currentIndex++; this._skipOptionalSpaces(); } } return this._currentIndex < this._endIndex; } Source.prototype.hasMoreData = function () { return this._currentIndex < this._endIndex; } Source.prototype.peekSegmentType = function () { var lookahead = this._string[this._currentIndex]; return this._pathSegTypeFromChar(lookahead); } Source.prototype._pathSegTypeFromChar = function (lookahead) { switch (lookahead) { case "Z": case "z": return SVGPathSeg.PATHSEG_CLOSEPATH; case "M": return SVGPathSeg.PATHSEG_MOVETO_ABS; case "m": return SVGPathSeg.PATHSEG_MOVETO_REL; case "L": return SVGPathSeg.PATHSEG_LINETO_ABS; case "l": return SVGPathSeg.PATHSEG_LINETO_REL; case "C": return SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS; case "c": return SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL; case "Q": return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS; case "q": return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL; case "A": return SVGPathSeg.PATHSEG_ARC_ABS; case "a": return SVGPathSeg.PATHSEG_ARC_REL; case "H": return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS; case "h": return SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL; case "V": return SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS; case "v": return SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL; case "S": return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS; case "s": return SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL; case "T": return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS; case "t": return SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL; default: return SVGPathSeg.PATHSEG_UNKNOWN; } } Source.prototype._nextCommandHelper = function (lookahead, previousCommand) { // Check for remaining coordinates in the current command. if ((lookahead == "+" || lookahead == "-" || lookahead == "." || (lookahead >= "0" && lookahead <= "9")) && previousCommand != SVGPathSeg.PATHSEG_CLOSEPATH) { if (previousCommand == SVGPathSeg.PATHSEG_MOVETO_ABS) return SVGPathSeg.PATHSEG_LINETO_ABS; if (previousCommand == SVGPathSeg.PATHSEG_MOVETO_REL) return SVGPathSeg.PATHSEG_LINETO_REL; return previousCommand; } return SVGPathSeg.PATHSEG_UNKNOWN; } Source.prototype.initialCommandIsMoveTo = function () { // If the path is empty it is still valid, so return true. if (!this.hasMoreData()) return true; var command = this.peekSegmentType(); // Path must start with moveTo. return command == SVGPathSeg.PATHSEG_MOVETO_ABS || command == SVGPathSeg.PATHSEG_MOVETO_REL; } // Parse a number from an SVG path. This very closely follows genericParseNumber(...) from Source/core/svg/SVGParserUtilities.cpp. // Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-PathDataBNF Source.prototype._parseNumber = function () { var exponent = 0; var integer = 0; var frac = 1; var decimal = 0; var sign = 1; var expsign = 1; var startIndex = this._currentIndex; this._skipOptionalSpaces(); // Read the sign. if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) == "+") this._currentIndex++; else if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) == "-") { this._currentIndex++; sign = -1; } if (this._currentIndex == this._endIndex || ((this._string.charAt(this._currentIndex) < "0" || this._string.charAt(this._currentIndex) > "9") && this._string.charAt(this._currentIndex) != ".")) // The first character of a number must be one of [0-9+-.]. return undefined; // Read the integer part, build right-to-left. var startIntPartIndex = this._currentIndex; while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= "0" && this._string.charAt(this._currentIndex) <= "9") this._currentIndex++; // Advance to first non-digit. if (this._currentIndex != startIntPartIndex) { var scanIntPartIndex = this._currentIndex - 1; var multiplier = 1; while (scanIntPartIndex >= startIntPartIndex) { integer += multiplier * (this._string.charAt(scanIntPartIndex--) - "0"); multiplier *= 10; } } // Read the decimals. if (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) == ".") { this._currentIndex++; // There must be a least one digit following the . if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < "0" || this._string.charAt(this._currentIndex) > "9") return undefined; while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= "0" && this._string.charAt(this._currentIndex) <= "9") decimal += (this._string.charAt(this._currentIndex++) - "0") * (frac *= 0.1); } // Read the exponent part. if (this._currentIndex != startIndex && this._currentIndex + 1 < this._endIndex && (this._string.charAt(this._currentIndex) == "e" || this._string.charAt(this._currentIndex) == "E") && (this._string.charAt(this._currentIndex + 1) != "x" && this._string.charAt(this._currentIndex + 1) != "m")) { this._currentIndex++; // Read the sign of the exponent. if (this._string.charAt(this._currentIndex) == "+") { this._currentIndex++; } else if (this._string.charAt(this._currentIndex) == "-") { this._currentIndex++; expsign = -1; } // There must be an exponent. if (this._currentIndex >= this._endIndex || this._string.charAt(this._currentIndex) < "0" || this._string.charAt(this._currentIndex) > "9") return undefined; while (this._currentIndex < this._endIndex && this._string.charAt(this._currentIndex) >= "0" && this._string.charAt(this._currentIndex) <= "9") { exponent *= 10; exponent += (this._string.charAt(this._currentIndex) - "0"); this._currentIndex++; } } var number = integer + decimal; number *= sign; if (exponent) number *= Math.pow(10, expsign * exponent); if (startIndex == this._currentIndex) return undefined; this._skipOptionalSpacesOrDelimiter(); return number; } Source.prototype._parseArcFlag = function () { if (this._currentIndex >= this._endIndex) return undefined; var flag = false; var flagChar = this._string.charAt(this._currentIndex++); if (flagChar == "0") flag = false; else if (flagChar == "1") flag = true; else return undefined; this._skipOptionalSpacesOrDelimiter(); return flag; } Source.prototype.parseSegment = function () { var lookahead = this._string[this._currentIndex]; var command = this._pathSegTypeFromChar(lookahead); if (command == SVGPathSeg.PATHSEG_UNKNOWN) { // Possibly an implicit command. Not allowed if this is the first command. if (this._previousCommand == SVGPathSeg.PATHSEG_UNKNOWN) return null; command = this._nextCommandHelper(lookahead, this._previousCommand); if (command == SVGPathSeg.PATHSEG_UNKNOWN) return null; } else { this._currentIndex++; } this._previousCommand = command; switch (command) { case SVGPathSeg.PATHSEG_MOVETO_REL: return new SVGPathSegMovetoRel(owningPathSegList, this._parseNumber(), this._parseNumber()); case SVGPathSeg.PATHSEG_MOVETO_ABS: return new SVGPathSegMovetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber()); case SVGPathSeg.PATHSEG_LINETO_REL: return new SVGPathSegLinetoRel(owningPathSegList, this._parseNumber(), this._parseNumber()); case SVGPathSeg.PATHSEG_LINETO_ABS: return new SVGPathSegLinetoAbs(owningPathSegList, this._parseNumber(), this._parseNumber()); case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL: return new SVGPathSegLinetoHorizontalRel(owningPathSegList, this._parseNumber()); case SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS: return new SVGPathSegLinetoHorizontalAbs(owningPathSegList, this._parseNumber()); case SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL: return new SVGPathSegLinetoVerticalRel(owningPathSegList, this._parseNumber()); case SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS: return new SVGPathSegLinetoVerticalAbs(owningPathSegList, this._parseNumber()); case SVGPathSeg.PATHSEG_CLOSEPATH: this._skipOptionalSpaces(); return new SVGPathSegClosePath(owningPathSegList); case SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL: var points = { x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() }; return new SVGPathSegCurvetoCubicRel(owningPathSegList, points.x, points.y, points.x1, points.y1, points.x2, points.y2); case SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS: var points = { x1: this._parseNumber(), y1: this._parseNumber(), x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() }; return new SVGPathSegCurvetoCubicAbs(owningPathSegList, points.x, points.y, points.x1, points.y1, points.x2, points.y2); case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL: var points = { x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() }; return new SVGPathSegCurvetoCubicSmoothRel(owningPathSegList, points.x, points.y, points.x2, points.y2); case SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS: var points = { x2: this._parseNumber(), y2: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() }; return new SVGPathSegCurvetoCubicSmoothAbs(owningPathSegList, points.x, points.y, points.x2, points.y2); case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL: var points = { x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() }; return new SVGPathSegCurvetoQuadraticRel(owningPathSegList, points.x, points.y, points.x1, points.y1); case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS: var points = { x1: this._parseNumber(), y1: this._parseNumber(), x: this._parseNumber(), y: this._parseNumber() }; return new SVGPathSegCurvetoQuadraticAbs(owningPathSegList, points.x, points.y, points.x1, points.y1); case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL: return new SVGPathSegCurvetoQuadraticSmoothRel(owningPathSegList, this._parseNumber(), this._parseNumber()); case SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS: return new SVGPathSegCurvetoQuadraticSmoothAbs(owningPathSegList, this._parseNumber(), this._parseNumber()); case SVGPathSeg.PATHSEG_ARC_REL: var points = { x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber() }; return new SVGPathSegArcRel(owningPathSegList, points.x, points.y, points.x1, points.y1, points.arcAngle, points.arcLarge, points.arcSweep); case SVGPathSeg.PATHSEG_ARC_ABS: var points = { x1: this._parseNumber(), y1: this._parseNumber(), arcAngle: this._parseNumber(), arcLarge: this._parseArcFlag(), arcSweep: this._parseArcFlag(), x: this._parseNumber(), y: this._parseNumber() }; return new SVGPathSegArcAbs(owningPathSegList, points.x, points.y, points.x1, points.y1, points.arcAngle, points.arcLarge, points.arcSweep); default: throw "Unknown path seg type." } } var builder = new Builder(); var source = new Source(string); if (!source.initialCommandIsMoveTo()) return []; while (source.hasMoreData()) { var pathSeg = source.parseSegment(); if (!pathSeg) return []; builder.appendSegment(pathSeg); } return builder.pathSegList; } } }()); /* jshint ignore:end */ if (typeof define === 'function' && define.amd) { define("c3", ["d3"], function () { return c3; }); } else if ('undefined' !== typeof exports && 'undefined' !== typeof module) { module.exports = c3; } else { window.c3 = c3; } })(window);




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