javascript.highchart-map.js Maven / Gradle / Ivy
/**
* @license Highmaps JS v4.2.3 (2016-02-08)
* Highmaps as a plugin for Highcharts 4.1.x or Highstock 2.1.x (x being the patch version of this file)
*
* (c) 2011-2016 Torstein Honsi
*
* License: www.highcharts.com/license
*/
/* eslint indent: [2, 4] */
(function (factory) {
if (typeof module === 'object' && module.exports) {
module.exports = factory;
} else {
factory(Highcharts);
}
}(function (Highcharts) {
var UNDEFINED,
Axis = Highcharts.Axis,
Chart = Highcharts.Chart,
Color = Highcharts.Color,
Point = Highcharts.Point,
Pointer = Highcharts.Pointer,
Legend = Highcharts.Legend,
LegendSymbolMixin = Highcharts.LegendSymbolMixin,
Renderer = Highcharts.Renderer,
Series = Highcharts.Series,
SVGRenderer = Highcharts.SVGRenderer,
VMLRenderer = Highcharts.VMLRenderer,
win = Highcharts.win,
doc = win.document,
addEvent = Highcharts.addEvent,
each = Highcharts.each,
error = Highcharts.error,
extend = Highcharts.extend,
extendClass = Highcharts.extendClass,
format = Highcharts.format,
merge = Highcharts.merge,
pick = Highcharts.pick,
defaultOptions = Highcharts.getOptions(),
seriesTypes = Highcharts.seriesTypes,
defaultPlotOptions = defaultOptions.plotOptions,
wrap = Highcharts.wrap,
noop = function () {};
/**
* Override to use the extreme coordinates from the SVG shape, not the
* data values
*/
wrap(Axis.prototype, 'getSeriesExtremes', function (proceed) {
var isXAxis = this.isXAxis,
dataMin,
dataMax,
xData = [],
useMapGeometry;
// Remove the xData array and cache it locally so that the proceed method doesn't use it
if (isXAxis) {
each(this.series, function (series, i) {
if (series.useMapGeometry) {
xData[i] = series.xData;
series.xData = [];
}
});
}
// Call base to reach normal cartesian series (like mappoint)
proceed.call(this);
// Run extremes logic for map and mapline
if (isXAxis) {
dataMin = pick(this.dataMin, Number.MAX_VALUE);
dataMax = pick(this.dataMax, -Number.MAX_VALUE);
each(this.series, function (series, i) {
if (series.useMapGeometry) {
dataMin = Math.min(dataMin, pick(series.minX, dataMin));
dataMax = Math.max(dataMax, pick(series.maxX, dataMin));
series.xData = xData[i]; // Reset xData array
useMapGeometry = true;
}
});
if (useMapGeometry) {
this.dataMin = dataMin;
this.dataMax = dataMax;
}
}
});
/**
* Override axis translation to make sure the aspect ratio is always kept
*/
wrap(Axis.prototype, 'setAxisTranslation', function (proceed) {
var chart = this.chart,
mapRatio,
plotRatio = chart.plotWidth / chart.plotHeight,
adjustedAxisLength,
xAxis = chart.xAxis[0],
padAxis,
fixTo,
fixDiff,
preserveAspectRatio;
// Run the parent method
proceed.call(this);
// Check for map-like series
if (this.coll === 'yAxis' && xAxis.transA !== UNDEFINED) {
each(this.series, function (series) {
if (series.preserveAspectRatio) {
preserveAspectRatio = true;
}
});
}
// On Y axis, handle both
if (preserveAspectRatio) {
// Use the same translation for both axes
this.transA = xAxis.transA = Math.min(this.transA, xAxis.transA);
mapRatio = plotRatio / ((xAxis.max - xAxis.min) / (this.max - this.min));
// What axis to pad to put the map in the middle
padAxis = mapRatio < 1 ? this : xAxis;
// Pad it
adjustedAxisLength = (padAxis.max - padAxis.min) * padAxis.transA;
padAxis.pixelPadding = padAxis.len - adjustedAxisLength;
padAxis.minPixelPadding = padAxis.pixelPadding / 2;
fixTo = padAxis.fixTo;
if (fixTo) {
fixDiff = fixTo[1] - padAxis.toValue(fixTo[0], true);
fixDiff *= padAxis.transA;
if (Math.abs(fixDiff) > padAxis.minPixelPadding || (padAxis.min === padAxis.dataMin && padAxis.max === padAxis.dataMax)) { // zooming out again, keep within restricted area
fixDiff = 0;
}
padAxis.minPixelPadding -= fixDiff;
}
}
});
/**
* Override Axis.render in order to delete the fixTo prop
*/
wrap(Axis.prototype, 'render', function (proceed) {
proceed.call(this);
this.fixTo = null;
});
/**
* The ColorAxis object for inclusion in gradient legends
*/
var ColorAxis = Highcharts.ColorAxis = function () {
this.isColorAxis = true;
this.init.apply(this, arguments);
};
extend(ColorAxis.prototype, Axis.prototype);
extend(ColorAxis.prototype, {
defaultColorAxisOptions: {
lineWidth: 0,
minPadding: 0,
maxPadding: 0,
gridLineWidth: 1,
tickPixelInterval: 72,
startOnTick: true,
endOnTick: true,
offset: 0,
marker: {
animation: {
duration: 50
},
color: 'gray',
width: 0.01
},
labels: {
overflow: 'justify'
},
minColor: '#EFEFFF',
maxColor: '#003875',
tickLength: 5
},
init: function (chart, userOptions) {
var horiz = chart.options.legend.layout !== 'vertical',
options;
// Build the options
options = merge(this.defaultColorAxisOptions, {
side: horiz ? 2 : 1,
reversed: !horiz
}, userOptions, {
opposite: !horiz,
showEmpty: false,
title: null,
isColor: true
});
Axis.prototype.init.call(this, chart, options);
// Base init() pushes it to the xAxis array, now pop it again
//chart[this.isXAxis ? 'xAxis' : 'yAxis'].pop();
// Prepare data classes
if (userOptions.dataClasses) {
this.initDataClasses(userOptions);
}
this.initStops(userOptions);
// Override original axis properties
this.horiz = horiz;
this.zoomEnabled = false;
},
/*
* Return an intermediate color between two colors, according to pos where 0
* is the from color and 1 is the to color.
* NOTE: Changes here should be copied
* to the same function in drilldown.src.js and solid-gauge-src.js.
*/
tweenColors: function (from, to, pos) {
// Check for has alpha, because rgba colors perform worse due to lack of
// support in WebKit.
var hasAlpha,
ret;
// Unsupported color, return to-color (#3920)
if (!to.rgba.length || !from.rgba.length) {
ret = to.input || 'none';
// Interpolate
} else {
from = from.rgba;
to = to.rgba;
hasAlpha = (to[3] !== 1 || from[3] !== 1);
ret = (hasAlpha ? 'rgba(' : 'rgb(') +
Math.round(to[0] + (from[0] - to[0]) * (1 - pos)) + ',' +
Math.round(to[1] + (from[1] - to[1]) * (1 - pos)) + ',' +
Math.round(to[2] + (from[2] - to[2]) * (1 - pos)) +
(hasAlpha ? (',' + (to[3] + (from[3] - to[3]) * (1 - pos))) : '') + ')';
}
return ret;
},
initDataClasses: function (userOptions) {
var axis = this,
chart = this.chart,
dataClasses,
colorCounter = 0,
options = this.options,
len = userOptions.dataClasses.length;
this.dataClasses = dataClasses = [];
this.legendItems = [];
each(userOptions.dataClasses, function (dataClass, i) {
var colors;
dataClass = merge(dataClass);
dataClasses.push(dataClass);
if (!dataClass.color) {
if (options.dataClassColor === 'category') {
colors = chart.options.colors;
dataClass.color = colors[colorCounter++];
// loop back to zero
if (colorCounter === colors.length) {
colorCounter = 0;
}
} else {
dataClass.color = axis.tweenColors(
Color(options.minColor),
Color(options.maxColor),
len < 2 ? 0.5 : i / (len - 1) // #3219
);
}
}
});
},
initStops: function (userOptions) {
this.stops = userOptions.stops || [
[0, this.options.minColor],
[1, this.options.maxColor]
];
each(this.stops, function (stop) {
stop.color = Color(stop[1]);
});
},
/**
* Extend the setOptions method to process extreme colors and color
* stops.
*/
setOptions: function (userOptions) {
Axis.prototype.setOptions.call(this, userOptions);
this.options.crosshair = this.options.marker;
this.coll = 'colorAxis';
},
setAxisSize: function () {
var symbol = this.legendSymbol,
chart = this.chart,
x,
y,
width,
height;
if (symbol) {
this.left = x = symbol.attr('x');
this.top = y = symbol.attr('y');
this.width = width = symbol.attr('width');
this.height = height = symbol.attr('height');
this.right = chart.chartWidth - x - width;
this.bottom = chart.chartHeight - y - height;
this.len = this.horiz ? width : height;
this.pos = this.horiz ? x : y;
}
},
/**
* Translate from a value to a color
*/
toColor: function (value, point) {
var pos,
stops = this.stops,
from,
to,
color,
dataClasses = this.dataClasses,
dataClass,
i;
if (dataClasses) {
i = dataClasses.length;
while (i--) {
dataClass = dataClasses[i];
from = dataClass.from;
to = dataClass.to;
if ((from === UNDEFINED || value >= from) && (to === UNDEFINED || value <= to)) {
color = dataClass.color;
if (point) {
point.dataClass = i;
}
break;
}
}
} else {
if (this.isLog) {
value = this.val2lin(value);
}
pos = 1 - ((this.max - value) / ((this.max - this.min) || 1));
i = stops.length;
while (i--) {
if (pos > stops[i][0]) {
break;
}
}
from = stops[i] || stops[i + 1];
to = stops[i + 1] || from;
// The position within the gradient
pos = 1 - (to[0] - pos) / ((to[0] - from[0]) || 1);
color = this.tweenColors(
from.color,
to.color,
pos
);
}
return color;
},
/**
* Override the getOffset method to add the whole axis groups inside the legend.
*/
getOffset: function () {
var group = this.legendGroup,
sideOffset = this.chart.axisOffset[this.side];
if (group) {
// Hook for the getOffset method to add groups to this parent group
this.axisParent = group;
// Call the base
Axis.prototype.getOffset.call(this);
// First time only
if (!this.added) {
this.added = true;
this.labelLeft = 0;
this.labelRight = this.width;
}
// Reset it to avoid color axis reserving space
this.chart.axisOffset[this.side] = sideOffset;
}
},
/**
* Create the color gradient
*/
setLegendColor: function () {
var grad,
horiz = this.horiz,
options = this.options,
reversed = this.reversed,
one = reversed ? 1 : 0,
zero = reversed ? 0 : 1;
grad = horiz ? [one, 0, zero, 0] : [0, zero, 0, one]; // #3190
this.legendColor = {
linearGradient: { x1: grad[0], y1: grad[1], x2: grad[2], y2: grad[3] },
stops: options.stops || [
[0, options.minColor],
[1, options.maxColor]
]
};
},
/**
* The color axis appears inside the legend and has its own legend symbol
*/
drawLegendSymbol: function (legend, item) {
var padding = legend.padding,
legendOptions = legend.options,
horiz = this.horiz,
width = pick(legendOptions.symbolWidth, horiz ? 200 : 12),
height = pick(legendOptions.symbolHeight, horiz ? 12 : 200),
labelPadding = pick(legendOptions.labelPadding, horiz ? 16 : 30),
itemDistance = pick(legendOptions.itemDistance, 10);
this.setLegendColor();
// Create the gradient
item.legendSymbol = this.chart.renderer.rect(
0,
legend.baseline - 11,
width,
height
).attr({
zIndex: 1
}).add(item.legendGroup);
// Set how much space this legend item takes up
this.legendItemWidth = width + padding + (horiz ? itemDistance : labelPadding);
this.legendItemHeight = height + padding + (horiz ? labelPadding : 0);
},
/**
* Fool the legend
*/
setState: noop,
visible: true,
setVisible: noop,
getSeriesExtremes: function () {
var series;
if (this.series.length) {
series = this.series[0];
this.dataMin = series.valueMin;
this.dataMax = series.valueMax;
}
},
drawCrosshair: function (e, point) {
var plotX = point && point.plotX,
plotY = point && point.plotY,
crossPos,
axisPos = this.pos,
axisLen = this.len;
if (point) {
crossPos = this.toPixels(point[point.series.colorKey]);
if (crossPos < axisPos) {
crossPos = axisPos - 2;
} else if (crossPos > axisPos + axisLen) {
crossPos = axisPos + axisLen + 2;
}
point.plotX = crossPos;
point.plotY = this.len - crossPos;
Axis.prototype.drawCrosshair.call(this, e, point);
point.plotX = plotX;
point.plotY = plotY;
if (this.cross) {
this.cross
.attr({
fill: this.crosshair.color
})
.add(this.legendGroup);
}
}
},
getPlotLinePath: function (a, b, c, d, pos) {
return typeof pos === 'number' ? // crosshairs only // #3969 pos can be 0 !!
(this.horiz ?
['M', pos - 4, this.top - 6, 'L', pos + 4, this.top - 6, pos, this.top, 'Z'] :
['M', this.left, pos, 'L', this.left - 6, pos + 6, this.left - 6, pos - 6, 'Z']
) :
Axis.prototype.getPlotLinePath.call(this, a, b, c, d);
},
update: function (newOptions, redraw) {
var chart = this.chart,
legend = chart.legend;
each(this.series, function (series) {
series.isDirtyData = true; // Needed for Axis.update when choropleth colors change
});
// When updating data classes, destroy old items and make sure new ones are created (#3207)
if (newOptions.dataClasses && legend.allItems) {
each(legend.allItems, function (item) {
if (item.isDataClass) {
item.legendGroup.destroy();
}
});
chart.isDirtyLegend = true;
}
// Keep the options structure updated for export. Unlike xAxis and yAxis, the colorAxis is
// not an array. (#3207)
chart.options[this.coll] = merge(this.userOptions, newOptions);
Axis.prototype.update.call(this, newOptions, redraw);
if (this.legendItem) {
this.setLegendColor();
legend.colorizeItem(this, true);
}
},
/**
* Get the legend item symbols for data classes
*/
getDataClassLegendSymbols: function () {
var axis = this,
chart = this.chart,
legendItems = this.legendItems,
legendOptions = chart.options.legend,
valueDecimals = legendOptions.valueDecimals,
valueSuffix = legendOptions.valueSuffix || '',
name;
if (!legendItems.length) {
each(this.dataClasses, function (dataClass, i) {
var vis = true,
from = dataClass.from,
to = dataClass.to;
// Assemble the default name. This can be overridden by legend.options.labelFormatter
name = '';
if (from === UNDEFINED) {
name = '< ';
} else if (to === UNDEFINED) {
name = '> ';
}
if (from !== UNDEFINED) {
name += Highcharts.numberFormat(from, valueDecimals) + valueSuffix;
}
if (from !== UNDEFINED && to !== UNDEFINED) {
name += ' - ';
}
if (to !== UNDEFINED) {
name += Highcharts.numberFormat(to, valueDecimals) + valueSuffix;
}
// Add a mock object to the legend items
legendItems.push(extend({
chart: chart,
name: name,
options: {},
drawLegendSymbol: LegendSymbolMixin.drawRectangle,
visible: true,
setState: noop,
isDataClass: true,
setVisible: function () {
vis = this.visible = !vis;
each(axis.series, function (series) {
each(series.points, function (point) {
if (point.dataClass === i) {
point.setVisible(vis);
}
});
});
chart.legend.colorizeItem(this, vis);
}
}, dataClass));
});
}
return legendItems;
},
name: '' // Prevents 'undefined' in legend in IE8
});
/**
* Handle animation of the color attributes directly
*/
each(['fill', 'stroke'], function (prop) {
Highcharts.Fx.prototype[prop + 'Setter'] = function () {
this.elem.attr(prop, ColorAxis.prototype.tweenColors(Color(this.start), Color(this.end), this.pos));
};
});
/**
* Extend the chart getAxes method to also get the color axis
*/
wrap(Chart.prototype, 'getAxes', function (proceed) {
var options = this.options,
colorAxisOptions = options.colorAxis;
proceed.call(this);
this.colorAxis = [];
if (colorAxisOptions) {
new ColorAxis(this, colorAxisOptions); // eslint-disable-line no-new
}
});
/**
* Wrap the legend getAllItems method to add the color axis. This also removes the
* axis' own series to prevent them from showing up individually.
*/
wrap(Legend.prototype, 'getAllItems', function (proceed) {
var allItems = [],
colorAxis = this.chart.colorAxis[0];
if (colorAxis) {
// Data classes
if (colorAxis.options.dataClasses) {
allItems = allItems.concat(colorAxis.getDataClassLegendSymbols());
// Gradient legend
} else {
// Add this axis on top
allItems.push(colorAxis);
}
// Don't add the color axis' series
each(colorAxis.series, function (series) {
series.options.showInLegend = false;
});
}
return allItems.concat(proceed.call(this));
});
/**
* Mixin for maps and heatmaps
*/
var colorPointMixin = {
/**
* Set the visibility of a single point
*/
setVisible: function (vis) {
var point = this,
method = vis ? 'show' : 'hide';
// Show and hide associated elements
each(['graphic', 'dataLabel'], function (key) {
if (point[key]) {
point[key][method]();
}
});
}
};
var colorSeriesMixin = {
pointAttrToOptions: { // mapping between SVG attributes and the corresponding options
stroke: 'borderColor',
'stroke-width': 'borderWidth',
fill: 'color',
dashstyle: 'dashStyle'
},
pointArrayMap: ['value'],
axisTypes: ['xAxis', 'yAxis', 'colorAxis'],
optionalAxis: 'colorAxis',
trackerGroups: ['group', 'markerGroup', 'dataLabelsGroup'],
getSymbol: noop,
parallelArrays: ['x', 'y', 'value'],
colorKey: 'value',
/**
* In choropleth maps, the color is a result of the value, so this needs translation too
*/
translateColors: function () {
var series = this,
nullColor = this.options.nullColor,
colorAxis = this.colorAxis,
colorKey = this.colorKey;
each(this.data, function (point) {
var value = point[colorKey],
color;
color = point.options.color ||
(value === null ? nullColor : (colorAxis && value !== undefined) ? colorAxis.toColor(value, point) : point.color || series.color);
if (color) {
point.color = color;
}
});
}
};
// Add events to the Chart object itself
extend(Chart.prototype, {
renderMapNavigation: function () {
var chart = this,
options = this.options.mapNavigation,
buttons = options.buttons,
n,
button,
buttonOptions,
attr,
states,
stopEvent = function (e) {
if (e) {
if (e.preventDefault) {
e.preventDefault();
}
if (e.stopPropagation) {
e.stopPropagation();
}
e.cancelBubble = true;
}
},
outerHandler = function (e) {
this.handler.call(chart, e);
stopEvent(e); // Stop default click event (#4444)
};
if (pick(options.enableButtons, options.enabled) && !chart.renderer.forExport) {
for (n in buttons) {
if (buttons.hasOwnProperty(n)) {
buttonOptions = merge(options.buttonOptions, buttons[n]);
attr = buttonOptions.theme;
attr.style = merge(buttonOptions.theme.style, buttonOptions.style); // #3203
states = attr.states;
button = chart.renderer.button(
buttonOptions.text,
0,
0,
outerHandler,
attr,
states && states.hover,
states && states.select,
0,
n === 'zoomIn' ? 'topbutton' : 'bottombutton'
)
.attr({
width: buttonOptions.width,
height: buttonOptions.height,
title: chart.options.lang[n],
zIndex: 5
})
.add();
button.handler = buttonOptions.onclick;
button.align(extend(buttonOptions, { width: button.width, height: 2 * button.height }), null, buttonOptions.alignTo);
addEvent(button.element, 'dblclick', stopEvent); // Stop double click event (#4444)
}
}
}
},
/**
* Fit an inner box to an outer. If the inner box overflows left or right, align it to the sides of the
* outer. If it overflows both sides, fit it within the outer. This is a pattern that occurs more places
* in Highcharts, perhaps it should be elevated to a common utility function.
*/
fitToBox: function (inner, outer) {
each([['x', 'width'], ['y', 'height']], function (dim) {
var pos = dim[0],
size = dim[1];
if (inner[pos] + inner[size] > outer[pos] + outer[size]) { // right overflow
if (inner[size] > outer[size]) { // the general size is greater, fit fully to outer
inner[size] = outer[size];
inner[pos] = outer[pos];
} else { // align right
inner[pos] = outer[pos] + outer[size] - inner[size];
}
}
if (inner[size] > outer[size]) {
inner[size] = outer[size];
}
if (inner[pos] < outer[pos]) {
inner[pos] = outer[pos];
}
});
return inner;
},
/**
* Zoom the map in or out by a certain amount. Less than 1 zooms in, greater than 1 zooms out.
*/
mapZoom: function (howMuch, centerXArg, centerYArg, mouseX, mouseY) {
/*if (this.isMapZooming) {
this.mapZoomQueue = arguments;
return;
}*/
var chart = this,
xAxis = chart.xAxis[0],
xRange = xAxis.max - xAxis.min,
centerX = pick(centerXArg, xAxis.min + xRange / 2),
newXRange = xRange * howMuch,
yAxis = chart.yAxis[0],
yRange = yAxis.max - yAxis.min,
centerY = pick(centerYArg, yAxis.min + yRange / 2),
newYRange = yRange * howMuch,
fixToX = mouseX ? ((mouseX - xAxis.pos) / xAxis.len) : 0.5,
fixToY = mouseY ? ((mouseY - yAxis.pos) / yAxis.len) : 0.5,
newXMin = centerX - newXRange * fixToX,
newYMin = centerY - newYRange * fixToY,
newExt = chart.fitToBox({
x: newXMin,
y: newYMin,
width: newXRange,
height: newYRange
}, {
x: xAxis.dataMin,
y: yAxis.dataMin,
width: xAxis.dataMax - xAxis.dataMin,
height: yAxis.dataMax - yAxis.dataMin
});
// When mousewheel zooming, fix the point under the mouse
if (mouseX) {
xAxis.fixTo = [mouseX - xAxis.pos, centerXArg];
}
if (mouseY) {
yAxis.fixTo = [mouseY - yAxis.pos, centerYArg];
}
// Zoom
if (howMuch !== undefined) {
xAxis.setExtremes(newExt.x, newExt.x + newExt.width, false);
yAxis.setExtremes(newExt.y, newExt.y + newExt.height, false);
// Reset zoom
} else {
xAxis.setExtremes(undefined, undefined, false);
yAxis.setExtremes(undefined, undefined, false);
}
// Prevent zooming until this one is finished animating
/*chart.holdMapZoom = true;
setTimeout(function () {
chart.holdMapZoom = false;
}, 200);*/
/*delay = animation ? animation.duration || 500 : 0;
if (delay) {
chart.isMapZooming = true;
setTimeout(function () {
chart.isMapZooming = false;
if (chart.mapZoomQueue) {
chart.mapZoom.apply(chart, chart.mapZoomQueue);
}
chart.mapZoomQueue = null;
}, delay);
}*/
chart.redraw();
}
});
/**
* Extend the Chart.render method to add zooming and panning
*/
wrap(Chart.prototype, 'render', function (proceed) {
var chart = this,
mapNavigation = chart.options.mapNavigation;
// Render the plus and minus buttons. Doing this before the shapes makes getBBox much quicker, at least in Chrome.
chart.renderMapNavigation();
proceed.call(chart);
// Add the double click event
if (pick(mapNavigation.enableDoubleClickZoom, mapNavigation.enabled) || mapNavigation.enableDoubleClickZoomTo) {
addEvent(chart.container, 'dblclick', function (e) {
chart.pointer.onContainerDblClick(e);
});
}
// Add the mousewheel event
if (pick(mapNavigation.enableMouseWheelZoom, mapNavigation.enabled)) {
addEvent(chart.container, doc.onmousewheel === undefined ? 'DOMMouseScroll' : 'mousewheel', function (e) {
chart.pointer.onContainerMouseWheel(e);
return false;
});
}
});
// Extend the Pointer
extend(Pointer.prototype, {
/**
* The event handler for the doubleclick event
*/
onContainerDblClick: function (e) {
var chart = this.chart;
e = this.normalize(e);
if (chart.options.mapNavigation.enableDoubleClickZoomTo) {
if (chart.pointer.inClass(e.target, 'highcharts-tracker')) {
chart.hoverPoint.zoomTo();
}
} else if (chart.isInsidePlot(e.chartX - chart.plotLeft, e.chartY - chart.plotTop)) {
chart.mapZoom(
0.5,
chart.xAxis[0].toValue(e.chartX),
chart.yAxis[0].toValue(e.chartY),
e.chartX,
e.chartY
);
}
},
/**
* The event handler for the mouse scroll event
*/
onContainerMouseWheel: function (e) {
var chart = this.chart,
delta;
e = this.normalize(e);
// Firefox uses e.detail, WebKit and IE uses wheelDelta
delta = e.detail || -(e.wheelDelta / 120);
if (chart.isInsidePlot(e.chartX - chart.plotLeft, e.chartY - chart.plotTop)) {
chart.mapZoom(
//delta > 0 ? 2 : 0.5,
Math.pow(2, delta),
chart.xAxis[0].toValue(e.chartX),
chart.yAxis[0].toValue(e.chartY),
e.chartX,
e.chartY
);
}
}
});
// Implement the pinchType option
wrap(Pointer.prototype, 'init', function (proceed, chart, options) {
proceed.call(this, chart, options);
// Pinch status
if (pick(options.mapNavigation.enableTouchZoom, options.mapNavigation.enabled)) {
this.pinchX = this.pinchHor = this.pinchY = this.pinchVert = this.hasZoom = true;
}
});
// Extend the pinchTranslate method to preserve fixed ratio when zooming
wrap(Pointer.prototype, 'pinchTranslate', function (proceed, pinchDown, touches, transform, selectionMarker, clip, lastValidTouch) {
var xBigger;
proceed.call(this, pinchDown, touches, transform, selectionMarker, clip, lastValidTouch);
// Keep ratio
if (this.chart.options.chart.type === 'map' && this.hasZoom) {
xBigger = transform.scaleX > transform.scaleY;
this.pinchTranslateDirection(
!xBigger,
pinchDown,
touches,
transform,
selectionMarker,
clip,
lastValidTouch,
xBigger ? transform.scaleX : transform.scaleY
);
}
});
// The vector-effect attribute is not supported in IE <= 11 (at least), so we need
// diffent logic (#3218)
var supportsVectorEffect = doc.documentElement.style.vectorEffect !== undefined;
/**
* Extend the default options with map options
*/
defaultPlotOptions.map = merge(defaultPlotOptions.scatter, {
allAreas: true,
animation: false, // makes the complex shapes slow
nullColor: '#F8F8F8',
borderColor: 'silver',
borderWidth: 1,
marker: null,
stickyTracking: false,
dataLabels: {
formatter: function () { // #2945
return this.point.value;
},
inside: true, // for the color
verticalAlign: 'middle',
crop: false,
overflow: false,
padding: 0
},
turboThreshold: 0,
tooltip: {
followPointer: true,
pointFormat: '{point.name}: {point.value}
'
},
states: {
normal: {
animation: true
},
hover: {
brightness: 0.2,
halo: null
}
}
});
/**
* The MapAreaPoint object
*/
var MapAreaPoint = extendClass(Point, extend({
/**
* Extend the Point object to split paths
*/
applyOptions: function (options, x) {
var point = Point.prototype.applyOptions.call(this, options, x),
series = this.series,
joinBy = series.joinBy,
mapPoint;
if (series.mapData) {
mapPoint = point[joinBy[1]] !== undefined && series.mapMap[point[joinBy[1]]];
if (mapPoint) {
// This applies only to bubbles
if (series.xyFromShape) {
point.x = mapPoint._midX;
point.y = mapPoint._midY;
}
extend(point, mapPoint); // copy over properties
} else {
point.value = point.value || null;
}
}
return point;
},
/**
* Stop the fade-out
*/
onMouseOver: function (e) {
clearTimeout(this.colorInterval);
if (this.value !== null) {
Point.prototype.onMouseOver.call(this, e);
} else { //#3401 Tooltip doesn't hide when hovering over null points
this.series.onMouseOut(e);
}
},
/**
* Custom animation for tweening out the colors. Animation reduces blinking when hovering
* over islands and coast lines. We run a custom implementation of animation becuase we
* need to be able to run this independently from other animations like zoom redraw. Also,
* adding color animation to the adapters would introduce almost the same amount of code.
*/
onMouseOut: function () {
var point = this,
start = +new Date(),
normalColor = Color(point.color),
hoverColor = Color(point.pointAttr.hover.fill),
animation = point.series.options.states.normal.animation,
duration = animation && (animation.duration || 500),
fill;
if (duration && normalColor.rgba.length === 4 && hoverColor.rgba.length === 4 && point.state !== 'select') {
fill = point.pointAttr[''].fill;
delete point.pointAttr[''].fill; // avoid resetting it in Point.setState
clearTimeout(point.colorInterval);
point.colorInterval = setInterval(function () {
var pos = (new Date() - start) / duration,
graphic = point.graphic;
if (pos > 1) {
pos = 1;
}
if (graphic) {
graphic.attr('fill', ColorAxis.prototype.tweenColors.call(0, hoverColor, normalColor, pos));
}
if (pos >= 1) {
clearTimeout(point.colorInterval);
}
}, 13);
}
Point.prototype.onMouseOut.call(point);
if (fill) {
point.pointAttr[''].fill = fill;
}
},
/**
* Zoom the chart to view a specific area point
*/
zoomTo: function () {
var point = this,
series = point.series;
series.xAxis.setExtremes(
point._minX,
point._maxX,
false
);
series.yAxis.setExtremes(
point._minY,
point._maxY,
false
);
series.chart.redraw();
}
}, colorPointMixin)
);
/**
* Add the series type
*/
seriesTypes.map = extendClass(seriesTypes.scatter, merge(colorSeriesMixin, {
type: 'map',
pointClass: MapAreaPoint,
supportsDrilldown: true,
getExtremesFromAll: true,
useMapGeometry: true, // get axis extremes from paths, not values
forceDL: true,
searchPoint: noop,
directTouch: true, // When tooltip is not shared, this series (and derivatives) requires direct touch/hover. KD-tree does not apply.
preserveAspectRatio: true, // X axis and Y axis must have same translation slope
/**
* Get the bounding box of all paths in the map combined.
*/
getBox: function (paths) {
var MAX_VALUE = Number.MAX_VALUE,
maxX = -MAX_VALUE,
minX = MAX_VALUE,
maxY = -MAX_VALUE,
minY = MAX_VALUE,
minRange = MAX_VALUE,
xAxis = this.xAxis,
yAxis = this.yAxis,
hasBox;
// Find the bounding box
each(paths || [], function (point) {
if (point.path) {
if (typeof point.path === 'string') {
point.path = Highcharts.splitPath(point.path);
}
var path = point.path || [],
i = path.length,
even = false, // while loop reads from the end
pointMaxX = -MAX_VALUE,
pointMinX = MAX_VALUE,
pointMaxY = -MAX_VALUE,
pointMinY = MAX_VALUE,
properties = point.properties;
// The first time a map point is used, analyze its box
if (!point._foundBox) {
while (i--) {
if (typeof path[i] === 'number' && !isNaN(path[i])) {
if (even) { // even = x
pointMaxX = Math.max(pointMaxX, path[i]);
pointMinX = Math.min(pointMinX, path[i]);
} else { // odd = Y
pointMaxY = Math.max(pointMaxY, path[i]);
pointMinY = Math.min(pointMinY, path[i]);
}
even = !even;
}
}
// Cache point bounding box for use to position data labels, bubbles etc
point._midX = pointMinX + (pointMaxX - pointMinX) *
(point.middleX || (properties && properties['hc-middle-x']) || 0.5); // pick is slower and very marginally needed
point._midY = pointMinY + (pointMaxY - pointMinY) *
(point.middleY || (properties && properties['hc-middle-y']) || 0.5);
point._maxX = pointMaxX;
point._minX = pointMinX;
point._maxY = pointMaxY;
point._minY = pointMinY;
point.labelrank = pick(point.labelrank, (pointMaxX - pointMinX) * (pointMaxY - pointMinY));
point._foundBox = true;
}
maxX = Math.max(maxX, point._maxX);
minX = Math.min(minX, point._minX);
maxY = Math.max(maxY, point._maxY);
minY = Math.min(minY, point._minY);
minRange = Math.min(point._maxX - point._minX, point._maxY - point._minY, minRange);
hasBox = true;
}
});
// Set the box for the whole series
if (hasBox) {
this.minY = Math.min(minY, pick(this.minY, MAX_VALUE));
this.maxY = Math.max(maxY, pick(this.maxY, -MAX_VALUE));
this.minX = Math.min(minX, pick(this.minX, MAX_VALUE));
this.maxX = Math.max(maxX, pick(this.maxX, -MAX_VALUE));
// If no minRange option is set, set the default minimum zooming range to 5 times the
// size of the smallest element
if (xAxis && xAxis.options.minRange === undefined) {
xAxis.minRange = Math.min(5 * minRange, (this.maxX - this.minX) / 5, xAxis.minRange || MAX_VALUE);
}
if (yAxis && yAxis.options.minRange === undefined) {
yAxis.minRange = Math.min(5 * minRange, (this.maxY - this.minY) / 5, yAxis.minRange || MAX_VALUE);
}
}
},
getExtremes: function () {
// Get the actual value extremes for colors
Series.prototype.getExtremes.call(this, this.valueData);
// Recalculate box on updated data
if (this.chart.hasRendered && this.isDirtyData) {
this.getBox(this.options.data);
}
this.valueMin = this.dataMin;
this.valueMax = this.dataMax;
// Extremes for the mock Y axis
this.dataMin = this.minY;
this.dataMax = this.maxY;
},
/**
* Translate the path so that it automatically fits into the plot area box
* @param {Object} path
*/
translatePath: function (path) {
var series = this,
even = false, // while loop reads from the end
xAxis = series.xAxis,
yAxis = series.yAxis,
xMin = xAxis.min,
xTransA = xAxis.transA,
xMinPixelPadding = xAxis.minPixelPadding,
yMin = yAxis.min,
yTransA = yAxis.transA,
yMinPixelPadding = yAxis.minPixelPadding,
i,
ret = []; // Preserve the original
// Do the translation
if (path) {
i = path.length;
while (i--) {
if (typeof path[i] === 'number') {
ret[i] = even ?
(path[i] - xMin) * xTransA + xMinPixelPadding :
(path[i] - yMin) * yTransA + yMinPixelPadding;
even = !even;
} else {
ret[i] = path[i];
}
}
}
return ret;
},
/**
* Extend setData to join in mapData. If the allAreas option is true, all areas
* from the mapData are used, and those that don't correspond to a data value
* are given null values.
*/
setData: function (data, redraw) {
var options = this.options,
mapData = options.mapData,
joinBy = options.joinBy,
joinByNull = joinBy === null,
dataUsed = [],
mapPoint,
transform,
mapTransforms,
props,
i;
if (joinByNull) {
joinBy = '_i';
}
joinBy = this.joinBy = Highcharts.splat(joinBy);
if (!joinBy[1]) {
joinBy[1] = joinBy[0];
}
// Pick up numeric values, add index
if (data) {
each(data, function (val, i) {
if (typeof val === 'number') {
data[i] = {
value: val
};
}
if (joinByNull) {
data[i]._i = i;
}
});
}
this.getBox(data);
if (mapData) {
if (mapData.type === 'FeatureCollection') {
if (mapData['hc-transform']) {
this.chart.mapTransforms = mapTransforms = mapData['hc-transform'];
// Cache cos/sin of transform rotation angle
for (transform in mapTransforms) {
if (mapTransforms.hasOwnProperty(transform) && transform.rotation) {
transform.cosAngle = Math.cos(transform.rotation);
transform.sinAngle = Math.sin(transform.rotation);
}
}
}
mapData = Highcharts.geojson(mapData, this.type, this);
}
this.getBox(mapData);
this.mapData = mapData;
this.mapMap = {};
for (i = 0; i < mapData.length; i++) {
mapPoint = mapData[i];
props = mapPoint.properties;
mapPoint._i = i;
// Copy the property over to root for faster access
if (joinBy[0] && props && props[joinBy[0]]) {
mapPoint[joinBy[0]] = props[joinBy[0]];
}
this.mapMap[mapPoint[joinBy[0]]] = mapPoint;
}
if (options.allAreas) {
data = data || [];
// Registered the point codes that actually hold data
if (joinBy[1]) {
each(data, function (point) {
dataUsed.push(point[joinBy[1]]);
});
}
// Add those map points that don't correspond to data, which will be drawn as null points
dataUsed = '|' + dataUsed.join('|') + '|'; // String search is faster than array.indexOf
each(mapData, function (mapPoint) {
if (!joinBy[0] || dataUsed.indexOf('|' + mapPoint[joinBy[0]] + '|') === -1) {
data.push(merge(mapPoint, { value: null }));
}
});
}
}
Series.prototype.setData.call(this, data, redraw);
},
/**
* No graph for the map series
*/
drawGraph: noop,
/**
* We need the points' bounding boxes in order to draw the data labels, so
* we skip it now and call it from drawPoints instead.
*/
drawDataLabels: noop,
/**
* Allow a quick redraw by just translating the area group. Used for zooming and panning
* in capable browsers.
*/
doFullTranslate: function () {
return this.isDirtyData || this.chart.isResizing || this.chart.renderer.isVML || !this.baseTrans;
},
/**
* Add the path option for data points. Find the max value for color calculation.
*/
translate: function () {
var series = this,
xAxis = series.xAxis,
yAxis = series.yAxis,
doFullTranslate = series.doFullTranslate();
series.generatePoints();
each(series.data, function (point) {
// Record the middle point (loosely based on centroid), determined
// by the middleX and middleY options.
point.plotX = xAxis.toPixels(point._midX, true);
point.plotY = yAxis.toPixels(point._midY, true);
if (doFullTranslate) {
point.shapeType = 'path';
point.shapeArgs = {
d: series.translatePath(point.path)
};
if (supportsVectorEffect) {
point.shapeArgs['vector-effect'] = 'non-scaling-stroke';
}
}
});
series.translateColors();
},
/**
* Use the drawPoints method of column, that is able to handle simple shapeArgs.
* Extend it by assigning the tooltip position.
*/
drawPoints: function () {
var series = this,
xAxis = series.xAxis,
yAxis = series.yAxis,
group = series.group,
chart = series.chart,
renderer = chart.renderer,
scaleX,
scaleY,
translateX,
translateY,
baseTrans = this.baseTrans;
// Set a group that handles transform during zooming and panning in order to preserve clipping
// on series.group
if (!series.transformGroup) {
series.transformGroup = renderer.g()
.attr({
scaleX: 1,
scaleY: 1
})
.add(group);
series.transformGroup.survive = true;
}
// Draw the shapes again
if (series.doFullTranslate()) {
// Individual point actions
if (chart.hasRendered && series.pointAttrToOptions.fill === 'color') {
each(series.points, function (point) {
// Reset color on update/redraw
if (point.shapeArgs) {
point.shapeArgs.fill = point.pointAttr[pick(point.state, '')].fill; // #3529
}
});
}
// If vector-effect is not supported, we set the stroke-width on the group element
// and let all point graphics inherit. That way we don't have to iterate over all
// points to update the stroke-width on zooming.
if (!supportsVectorEffect) {
each(series.points, function (point) {
var attr = point.pointAttr[''];
if (attr['stroke-width'] === series.pointAttr['']['stroke-width']) {
attr['stroke-width'] = 'inherit';
}
});
}
// Draw them in transformGroup
series.group = series.transformGroup;
seriesTypes.column.prototype.drawPoints.apply(series);
series.group = group; // Reset
// Add class names
each(series.points, function (point) {
if (point.graphic) {
if (point.name) {
point.graphic.addClass('highcharts-name-' + point.name.replace(' ', '-').toLowerCase());
}
if (point.properties && point.properties['hc-key']) {
point.graphic.addClass('highcharts-key-' + point.properties['hc-key'].toLowerCase());
}
if (!supportsVectorEffect) {
point.graphic['stroke-widthSetter'] = noop;
}
}
});
// Set the base for later scale-zooming. The originX and originY properties are the
// axis values in the plot area's upper left corner.
this.baseTrans = {
originX: xAxis.min - xAxis.minPixelPadding / xAxis.transA,
originY: yAxis.min - yAxis.minPixelPadding / yAxis.transA + (yAxis.reversed ? 0 : yAxis.len / yAxis.transA),
transAX: xAxis.transA,
transAY: yAxis.transA
};
// Reset transformation in case we're doing a full translate (#3789)
this.transformGroup.animate({
translateX: 0,
translateY: 0,
scaleX: 1,
scaleY: 1
});
// Just update the scale and transform for better performance
} else {
scaleX = xAxis.transA / baseTrans.transAX;
scaleY = yAxis.transA / baseTrans.transAY;
translateX = xAxis.toPixels(baseTrans.originX, true);
translateY = yAxis.toPixels(baseTrans.originY, true);
// Handle rounding errors in normal view (#3789)
if (scaleX > 0.99 && scaleX < 1.01 && scaleY > 0.99 && scaleY < 1.01) {
scaleX = 1;
scaleY = 1;
translateX = Math.round(translateX);
translateY = Math.round(translateY);
}
this.transformGroup.animate({
translateX: translateX,
translateY: translateY,
scaleX: scaleX,
scaleY: scaleY
});
}
// Set the stroke-width directly on the group element so the children inherit it. We need to use
// setAttribute directly, because the stroke-widthSetter method expects a stroke color also to be
// set.
if (!supportsVectorEffect) {
series.group.element.setAttribute('stroke-width', series.options.borderWidth / (scaleX || 1));
}
this.drawMapDataLabels();
},
/**
* Draw the data labels. Special for maps is the time that the data labels are drawn (after points),
* and the clipping of the dataLabelsGroup.
*/
drawMapDataLabels: function () {
Series.prototype.drawDataLabels.call(this);
if (this.dataLabelsGroup) {
this.dataLabelsGroup.clip(this.chart.clipRect);
}
},
/**
* Override render to throw in an async call in IE8. Otherwise it chokes on the US counties demo.
*/
render: function () {
var series = this,
render = Series.prototype.render;
// Give IE8 some time to breathe.
if (series.chart.renderer.isVML && series.data.length > 3000) {
setTimeout(function () {
render.call(series);
});
} else {
render.call(series);
}
},
/**
* The initial animation for the map series. By default, animation is disabled.
* Animation of map shapes is not at all supported in VML browsers.
*/
animate: function (init) {
var chart = this.chart,
animation = this.options.animation,
group = this.group,
xAxis = this.xAxis,
yAxis = this.yAxis,
left = xAxis.pos,
top = yAxis.pos;
if (chart.renderer.isSVG) {
if (animation === true) {
animation = {
duration: 1000
};
}
// Initialize the animation
if (init) {
// Scale down the group and place it in the center
group.attr({
translateX: left + xAxis.len / 2,
translateY: top + yAxis.len / 2,
scaleX: 0.001, // #1499
scaleY: 0.001
});
// Run the animation
} else {
group.animate({
translateX: left,
translateY: top,
scaleX: 1,
scaleY: 1
}, animation);
// Delete this function to allow it only once
this.animate = null;
}
}
},
/**
* Animate in the new series from the clicked point in the old series.
* Depends on the drilldown.js module
*/
animateDrilldown: function (init) {
var toBox = this.chart.plotBox,
level = this.chart.drilldownLevels[this.chart.drilldownLevels.length - 1],
fromBox = level.bBox,
animationOptions = this.chart.options.drilldown.animation,
scale;
if (!init) {
scale = Math.min(fromBox.width / toBox.width, fromBox.height / toBox.height);
level.shapeArgs = {
scaleX: scale,
scaleY: scale,
translateX: fromBox.x,
translateY: fromBox.y
};
each(this.points, function (point) {
if (point.graphic) {
point.graphic
.attr(level.shapeArgs)
.animate({
scaleX: 1,
scaleY: 1,
translateX: 0,
translateY: 0
}, animationOptions);
}
});
this.animate = null;
}
},
drawLegendSymbol: LegendSymbolMixin.drawRectangle,
/**
* When drilling up, pull out the individual point graphics from the lower series
* and animate them into the origin point in the upper series.
*/
animateDrillupFrom: function (level) {
seriesTypes.column.prototype.animateDrillupFrom.call(this, level);
},
/**
* When drilling up, keep the upper series invisible until the lower series has
* moved into place
*/
animateDrillupTo: function (init) {
seriesTypes.column.prototype.animateDrillupTo.call(this, init);
}
}));
// The mapline series type
defaultPlotOptions.mapline = merge(defaultPlotOptions.map, {
lineWidth: 1,
fillColor: 'none'
});
seriesTypes.mapline = extendClass(seriesTypes.map, {
type: 'mapline',
pointAttrToOptions: { // mapping between SVG attributes and the corresponding options
stroke: 'color',
'stroke-width': 'lineWidth',
fill: 'fillColor',
dashstyle: 'dashStyle'
},
drawLegendSymbol: seriesTypes.line.prototype.drawLegendSymbol
});
// The mappoint series type
defaultPlotOptions.mappoint = merge(defaultPlotOptions.scatter, {
dataLabels: {
enabled: true,
formatter: function () { // #2945
return this.point.name;
},
crop: false,
defer: false,
overflow: false,
style: {
color: '#000000'
}
}
});
seriesTypes.mappoint = extendClass(seriesTypes.scatter, {
type: 'mappoint',
forceDL: true,
pointClass: extendClass(Point, {
applyOptions: function (options, x) {
var point = Point.prototype.applyOptions.call(this, options, x);
if (options.lat !== undefined && options.lon !== undefined) {
point = extend(point, this.series.chart.fromLatLonToPoint(point));
}
return point;
}
})
});
// The mapbubble series type
if (seriesTypes.bubble) {
defaultPlotOptions.mapbubble = merge(defaultPlotOptions.bubble, {
animationLimit: 500,
tooltip: {
pointFormat: '{point.name}: {point.z}'
}
});
seriesTypes.mapbubble = extendClass(seriesTypes.bubble, {
pointClass: extendClass(Point, {
applyOptions: function (options, x) {
var point;
if (options && options.lat !== undefined && options.lon !== undefined) {
point = Point.prototype.applyOptions.call(this, options, x);
point = extend(point, this.series.chart.fromLatLonToPoint(point));
} else {
point = MapAreaPoint.prototype.applyOptions.call(this, options, x);
}
return point;
},
ttBelow: false
}),
xyFromShape: true,
type: 'mapbubble',
pointArrayMap: ['z'], // If one single value is passed, it is interpreted as z
/**
* Return the map area identified by the dataJoinBy option
*/
getMapData: seriesTypes.map.prototype.getMapData,
getBox: seriesTypes.map.prototype.getBox,
setData: seriesTypes.map.prototype.setData
});
}
/**
* Extend the default options with map options
*/
defaultOptions.plotOptions.heatmap = merge(defaultOptions.plotOptions.scatter, {
animation: false,
borderWidth: 0,
nullColor: '#F8F8F8',
dataLabels: {
formatter: function () { // #2945
return this.point.value;
},
inside: true,
verticalAlign: 'middle',
crop: false,
overflow: false,
padding: 0 // #3837
},
marker: null,
pointRange: null, // dynamically set to colsize by default
tooltip: {
pointFormat: '{point.x}, {point.y}: {point.value}
'
},
states: {
normal: {
animation: true
},
hover: {
halo: false, // #3406, halo is not required on heatmaps
brightness: 0.2
}
}
});
// The Heatmap series type
seriesTypes.heatmap = extendClass(seriesTypes.scatter, merge(colorSeriesMixin, {
type: 'heatmap',
pointArrayMap: ['y', 'value'],
hasPointSpecificOptions: true,
pointClass: extendClass(Point, colorPointMixin),
supportsDrilldown: true,
getExtremesFromAll: true,
directTouch: true,
/**
* Override the init method to add point ranges on both axes.
*/
init: function () {
var options;
seriesTypes.scatter.prototype.init.apply(this, arguments);
options = this.options;
options.pointRange = pick(options.pointRange, options.colsize || 1); // #3758, prevent resetting in setData
this.yAxis.axisPointRange = options.rowsize || 1; // general point range
},
translate: function () {
var series = this,
options = series.options,
xAxis = series.xAxis,
yAxis = series.yAxis,
between = function (x, a, b) {
return Math.min(Math.max(a, x), b);
};
series.generatePoints();
each(series.points, function (point) {
var xPad = (options.colsize || 1) / 2,
yPad = (options.rowsize || 1) / 2,
x1 = between(Math.round(xAxis.len - xAxis.translate(point.x - xPad, 0, 1, 0, 1)), 0, xAxis.len),
x2 = between(Math.round(xAxis.len - xAxis.translate(point.x + xPad, 0, 1, 0, 1)), 0, xAxis.len),
y1 = between(Math.round(yAxis.translate(point.y - yPad, 0, 1, 0, 1)), 0, yAxis.len),
y2 = between(Math.round(yAxis.translate(point.y + yPad, 0, 1, 0, 1)), 0, yAxis.len);
// Set plotX and plotY for use in K-D-Tree and more
point.plotX = point.clientX = (x1 + x2) / 2;
point.plotY = (y1 + y2) / 2;
point.shapeType = 'rect';
point.shapeArgs = {
x: Math.min(x1, x2),
y: Math.min(y1, y2),
width: Math.abs(x2 - x1),
height: Math.abs(y2 - y1)
};
});
series.translateColors();
// Make sure colors are updated on colorAxis update (#2893)
if (this.chart.hasRendered) {
each(series.points, function (point) {
point.shapeArgs.fill = point.options.color || point.color; // #3311
});
}
},
drawPoints: seriesTypes.column.prototype.drawPoints,
animate: noop,
getBox: noop,
drawLegendSymbol: LegendSymbolMixin.drawRectangle,
getExtremes: function () {
// Get the extremes from the value data
Series.prototype.getExtremes.call(this, this.valueData);
this.valueMin = this.dataMin;
this.valueMax = this.dataMax;
// Get the extremes from the y data
Series.prototype.getExtremes.call(this);
}
}));
/**
* Test for point in polygon. Polygon defined as array of [x,y] points.
*/
function pointInPolygon(point, polygon) {
var i, j, rel1, rel2, c = false,
x = point.x,
y = point.y;
for (i = 0, j = polygon.length - 1; i < polygon.length; j = i++) {
rel1 = polygon[i][1] > y;
rel2 = polygon[j][1] > y;
if (rel1 !== rel2 && (x < (polygon[j][0] - polygon[i][0]) * (y - polygon[i][1]) / (polygon[j][1] - polygon[i][1]) + polygon[i][0])) {
c = !c;
}
}
return c;
}
/**
* Get point from latLon using specified transform definition
*/
Chart.prototype.transformFromLatLon = function (latLon, transform) {
if (win.proj4 === undefined) {
error(21);
return {
x: 0,
y: null
};
}
var projected = win.proj4(transform.crs, [latLon.lon, latLon.lat]),
cosAngle = transform.cosAngle || (transform.rotation && Math.cos(transform.rotation)),
sinAngle = transform.sinAngle || (transform.rotation && Math.sin(transform.rotation)),
rotated = transform.rotation ? [projected[0] * cosAngle + projected[1] * sinAngle, -projected[0] * sinAngle + projected[1] * cosAngle] : projected;
return {
x: ((rotated[0] - (transform.xoffset || 0)) * (transform.scale || 1) + (transform.xpan || 0)) * (transform.jsonres || 1) + (transform.jsonmarginX || 0),
y: (((transform.yoffset || 0) - rotated[1]) * (transform.scale || 1) + (transform.ypan || 0)) * (transform.jsonres || 1) - (transform.jsonmarginY || 0)
};
};
/**
* Get latLon from point using specified transform definition
*/
Chart.prototype.transformToLatLon = function (point, transform) {
if (win.proj4 === undefined) {
error(21);
return;
}
var normalized = {
x: ((point.x - (transform.jsonmarginX || 0)) / (transform.jsonres || 1) - (transform.xpan || 0)) / (transform.scale || 1) + (transform.xoffset || 0),
y: ((-point.y - (transform.jsonmarginY || 0)) / (transform.jsonres || 1) + (transform.ypan || 0)) / (transform.scale || 1) + (transform.yoffset || 0)
},
cosAngle = transform.cosAngle || (transform.rotation && Math.cos(transform.rotation)),
sinAngle = transform.sinAngle || (transform.rotation && Math.sin(transform.rotation)),
// Note: Inverted sinAngle to reverse rotation direction
projected = win.proj4(transform.crs, 'WGS84', transform.rotation ? {
x: normalized.x * cosAngle + normalized.y * -sinAngle,
y: normalized.x * sinAngle + normalized.y * cosAngle
} : normalized);
return { lat: projected.y, lon: projected.x };
};
Chart.prototype.fromPointToLatLon = function (point) {
var transforms = this.mapTransforms,
transform;
if (!transforms) {
error(22);
return;
}
for (transform in transforms) {
if (transforms.hasOwnProperty(transform) && transforms[transform].hitZone &&
pointInPolygon({ x: point.x, y: -point.y }, transforms[transform].hitZone.coordinates[0])) {
return this.transformToLatLon(point, transforms[transform]);
}
}
return this.transformToLatLon(point, transforms['default']); // eslint-disable-line dot-notation
};
Chart.prototype.fromLatLonToPoint = function (latLon) {
var transforms = this.mapTransforms,
transform,
coords;
if (!transforms) {
error(22);
return {
x: 0,
y: null
};
}
for (transform in transforms) {
if (transforms.hasOwnProperty(transform) && transforms[transform].hitZone) {
coords = this.transformFromLatLon(latLon, transforms[transform]);
if (pointInPolygon({ x: coords.x, y: -coords.y }, transforms[transform].hitZone.coordinates[0])) {
return coords;
}
}
}
return this.transformFromLatLon(latLon, transforms['default']); // eslint-disable-line dot-notation
};
/**
* Convert a geojson object to map data of a given Highcharts type (map, mappoint or mapline).
*/
Highcharts.geojson = function (geojson, hType, series) {
var mapData = [],
path = [],
polygonToPath = function (polygon) {
var i,
len = polygon.length;
path.push('M');
for (i = 0; i < len; i++) {
if (i === 1) {
path.push('L');
}
path.push(polygon[i][0], -polygon[i][1]);
}
};
hType = hType || 'map';
each(geojson.features, function (feature) {
var geometry = feature.geometry,
type = geometry.type,
coordinates = geometry.coordinates,
properties = feature.properties,
point;
path = [];
if (hType === 'map' || hType === 'mapbubble') {
if (type === 'Polygon') {
each(coordinates, polygonToPath);
path.push('Z');
} else if (type === 'MultiPolygon') {
each(coordinates, function (items) {
each(items, polygonToPath);
});
path.push('Z');
}
if (path.length) {
point = { path: path };
}
} else if (hType === 'mapline') {
if (type === 'LineString') {
polygonToPath(coordinates);
} else if (type === 'MultiLineString') {
each(coordinates, polygonToPath);
}
if (path.length) {
point = { path: path };
}
} else if (hType === 'mappoint') {
if (type === 'Point') {
point = {
x: coordinates[0],
y: -coordinates[1]
};
}
}
if (point) {
mapData.push(extend(point, {
name: properties.name || properties.NAME,
properties: properties
}));
}
});
// Create a credits text that includes map source, to be picked up in Chart.showCredits
if (series && geojson.copyrightShort) {
series.chart.mapCredits = format(series.chart.options.credits.mapText, { geojson: geojson });
series.chart.mapCreditsFull = format(series.chart.options.credits.mapTextFull, { geojson: geojson });
}
return mapData;
};
/**
* Override showCredits to include map source by default
*/
wrap(Chart.prototype, 'showCredits', function (proceed, credits) {
// Disable credits link if map credits enabled. This to allow for in-text anchors.
if (this.mapCredits) {
credits.href = null;
}
proceed.call(this, Highcharts.merge(credits, {
text: credits.text + (this.mapCredits || '') // Add map credits to credits text
}));
// Add full map credits to hover
if (this.credits && this.mapCreditsFull) {
this.credits.attr({
title: this.mapCreditsFull
});
}
});
// Add language
extend(defaultOptions.lang, {
zoomIn: 'Zoom in',
zoomOut: 'Zoom out'
});
// Set the default map navigation options
defaultOptions.mapNavigation = {
buttonOptions: {
alignTo: 'plotBox',
align: 'left',
verticalAlign: 'top',
x: 0,
width: 18,
height: 18,
style: {
fontSize: '15px',
fontWeight: 'bold',
textAlign: 'center'
},
theme: {
'stroke-width': 1
}
},
buttons: {
zoomIn: {
onclick: function () {
this.mapZoom(0.5);
},
text: '+',
y: 0
},
zoomOut: {
onclick: function () {
this.mapZoom(2);
},
text: '-',
y: 28
}
}
// enabled: false,
// enableButtons: null, // inherit from enabled
// enableTouchZoom: null, // inherit from enabled
// enableDoubleClickZoom: null, // inherit from enabled
// enableDoubleClickZoomTo: false
// enableMouseWheelZoom: null, // inherit from enabled
};
/**
* Utility for reading SVG paths directly.
*/
Highcharts.splitPath = function (path) {
var i;
// Move letters apart
path = path.replace(/([A-Za-z])/g, ' $1 ');
// Trim
path = path.replace(/^\s*/, '').replace(/\s*$/, '');
// Split on spaces and commas
path = path.split(/[ ,]+/);
// Parse numbers
for (i = 0; i < path.length; i++) {
if (!/[a-zA-Z]/.test(path[i])) {
path[i] = parseFloat(path[i]);
}
}
return path;
};
// A placeholder for map definitions
Highcharts.maps = {};
// Create symbols for the zoom buttons
function selectiveRoundedRect(x, y, w, h, rTopLeft, rTopRight, rBottomRight, rBottomLeft) {
return ['M', x + rTopLeft, y,
// top side
'L', x + w - rTopRight, y,
// top right corner
'C', x + w - rTopRight / 2, y, x + w, y + rTopRight / 2, x + w, y + rTopRight,
// right side
'L', x + w, y + h - rBottomRight,
// bottom right corner
'C', x + w, y + h - rBottomRight / 2, x + w - rBottomRight / 2, y + h, x + w - rBottomRight, y + h,
// bottom side
'L', x + rBottomLeft, y + h,
// bottom left corner
'C', x + rBottomLeft / 2, y + h, x, y + h - rBottomLeft / 2, x, y + h - rBottomLeft,
// left side
'L', x, y + rTopLeft,
// top left corner
'C', x, y + rTopLeft / 2, x + rTopLeft / 2, y, x + rTopLeft, y,
'Z'
];
}
SVGRenderer.prototype.symbols.topbutton = function (x, y, w, h, attr) {
return selectiveRoundedRect(x - 1, y - 1, w, h, attr.r, attr.r, 0, 0);
};
SVGRenderer.prototype.symbols.bottombutton = function (x, y, w, h, attr) {
return selectiveRoundedRect(x - 1, y - 1, w, h, 0, 0, attr.r, attr.r);
};
// The symbol callbacks are generated on the SVGRenderer object in all browsers. Even
// VML browsers need this in order to generate shapes in export. Now share
// them with the VMLRenderer.
if (Renderer === VMLRenderer) {
each(['topbutton', 'bottombutton'], function (shape) {
VMLRenderer.prototype.symbols[shape] = SVGRenderer.prototype.symbols[shape];
});
}
/**
* A wrapper for Chart with all the default values for a Map
*/
Highcharts.Map = Highcharts.mapChart = function (a, b, c) {
var hasRenderToArg = typeof a === 'string' || a.nodeName,
options = arguments[hasRenderToArg ? 1 : 0],
hiddenAxis = {
endOnTick: false,
gridLineWidth: 0,
lineWidth: 0,
minPadding: 0,
maxPadding: 0,
startOnTick: false,
title: null,
tickPositions: []
},
seriesOptions,
defaultCreditsOptions = Highcharts.getOptions().credits;
/* For visual testing
hiddenAxis.gridLineWidth = 1;
hiddenAxis.gridZIndex = 10;
hiddenAxis.tickPositions = undefined;
// */
// Don't merge the data
seriesOptions = options.series;
options.series = null;
options = merge(
{
chart: {
panning: 'xy',
type: 'map'
},
credits: {
mapText: pick(defaultCreditsOptions.mapText, ' \u00a9 {geojson.copyrightShort}'),
mapTextFull: pick(defaultCreditsOptions.mapTextFull, '{geojson.copyright}')
},
xAxis: hiddenAxis,
yAxis: merge(hiddenAxis, { reversed: true })
},
options, // user's options
{ // forced options
chart: {
inverted: false,
alignTicks: false
}
}
);
options.series = seriesOptions;
return hasRenderToArg ?
new Chart(a, options, c) :
new Chart(options, b);
};
}));© 2015 - 2025 Weber Informatics LLC | Privacy Policy