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/**
* jqPlot
* Pure JavaScript plotting plugin using jQuery
*
* Version: 1.0.9
* Revision: d96a669
*
* Copyright (c) 2009-2016 Chris Leonello
* jqPlot is currently available for use in all personal or commercial projects
* under both the MIT (http://www.opensource.org/licenses/mit-license.php) and GPL
* version 2.0 (http://www.gnu.org/licenses/gpl-2.0.html) licenses. This means that you can
* choose the license that best suits your project and use it accordingly.
*
* Although not required, the author would appreciate an email letting him
* know of any substantial use of jqPlot. You can reach the author at:
* chris at jqplot dot com or see http://www.jqplot.com/info.php .
*
* If you are feeling kind and generous, consider supporting the project by
* making a donation at: http://www.jqplot.com/donate.php .
*
* sprintf functions contained in jqplot.sprintf.js by Ash Searle:
*
* version 2007.04.27
* author Ash Searle
* http://hexmen.com/blog/2007/03/printf-sprintf/
* http://hexmen.com/js/sprintf.js
* The author (Ash Searle) has placed this code in the public domain:
* "This code is unrestricted: you are free to use it however you like."
*
*/
(function ($) {
// class $.jqplot.EnhancedLegendRenderer
// Legend renderer which can specify the number of rows and/or columns in the legend.
$.jqplot.EnhancedLegendRenderer = function () {
$.jqplot.TableLegendRenderer.call(this);
};
$.jqplot.EnhancedLegendRenderer.prototype = new $.jqplot.TableLegendRenderer();
$.jqplot.EnhancedLegendRenderer.prototype.constructor = $.jqplot.EnhancedLegendRenderer;
// called with scope of legend.
$.jqplot.EnhancedLegendRenderer.prototype.init = function (options) {
// prop: numberRows
// Maximum number of rows in the legend. 0 or null for unlimited.
this.numberRows = null;
// prop: numberColumns
// Maximum number of columns in the legend. 0 or null for unlimited.
this.numberColumns = null;
// prop: seriesToggle
// false to not enable series on/off toggling on the legend.
// true or a fadein/fadeout speed (number of milliseconds or 'fast', 'normal', 'slow')
// to enable show/hide of series on click of legend item.
this.seriesToggle = 'normal';
// prop: seriesToggleReplot
// True to replot the chart after toggling series on/off.
// This will set the series show property to false.
// This allows for rescaling or other maniplation of chart.
// Set to an options object (e.g. {resetAxes: true}) for replot options.
this.seriesToggleReplot = false;
// prop: disableIEFading
// true to toggle series with a show/hide method only and not allow fading in/out.
// This is to overcome poor performance of fade in some versions of IE.
this.disableIEFading = true;
$.extend(true, this, options);
if (this.seriesToggle) {
$.jqplot.postDrawHooks.push(postDraw);
}
};
// called with scope of legend
$.jqplot.EnhancedLegendRenderer.prototype.draw = function (offsets, plot) {
var legend = this;
if (this.show) {
var series = this._series;
var s;
var ss = 'position:absolute;';
ss += (this.background) ? 'background:' + this.background + ';' : '';
ss += (this.border) ? 'border:' + this.border + ';' : '';
ss += (this.fontSize) ? 'font-size:' + this.fontSize + ';' : '';
ss += (this.fontFamily) ? 'font-family:' + this.fontFamily + ';' : '';
ss += (this.textColor) ? 'color:' + this.textColor + ';' : '';
ss += (this.marginTop != null) ? 'margin-top:' + this.marginTop + ';' : '';
ss += (this.marginBottom != null) ? 'margin-bottom:' + this.marginBottom + ';' : '';
ss += (this.marginLeft != null) ? 'margin-left:' + this.marginLeft + ';' : '';
ss += (this.marginRight != null) ? 'margin-right:' + this.marginRight + ';' : '';
this._elem = $('
');
if (this.seriesToggle) {
this._elem.css('z-index', '3');
}
var pad = false,
reverse = false,
nr, nc;
if (this.numberRows) {
nr = this.numberRows;
if (!this.numberColumns) {
nc = Math.ceil(series.length / nr);
}
else {
nc = this.numberColumns;
}
}
else if (this.numberColumns) {
nc = this.numberColumns;
nr = Math.ceil(series.length / this.numberColumns);
}
else {
nr = series.length;
nc = 1;
}
var i, j, tr, td1, td2, lt, rs, div, div0, div1;
var idx = 0;
// check to see if we need to reverse
for (i = series.length - 1; i >= 0; i--) {
if (nc == 1 && series[i]._stack || series[i].renderer.constructor == $.jqplot.BezierCurveRenderer) {
reverse = true;
}
}
for (i = 0; i < nr; i++) {
tr = $(document.createElement('tr'));
tr.addClass('jqplot-table-legend');
if (reverse) {
tr.prependTo(this._elem);
}
else {
tr.appendTo(this._elem);
}
for (j = 0; j < nc; j++) {
if (idx < series.length && (series[idx].show || series[idx].showLabel)) {
s = series[idx];
lt = this.labels[idx] || s.label.toString();
if (lt) {
var color = s.color;
if (!reverse) {
if (i > 0) {
pad = true;
}
else {
pad = false;
}
}
else {
if (i == nr - 1) {
pad = false;
}
else {
pad = true;
}
}
rs = (pad) ? this.rowSpacing : '0';
td1 = $(document.createElement('td'));
td1.addClass('jqplot-table-legend jqplot-table-legend-swatch');
td1.css({textAlign: 'center', paddingTop: rs});
div0 = $(document.createElement('div'));
div0.addClass('jqplot-table-legend-swatch-outline');
div1 = $(document.createElement('div'));
div1.addClass('jqplot-table-legend-swatch');
div1.css({backgroundColor: color, borderColor: color});
td1.append(div0.append(div1));
td2 = $(document.createElement('td'));
td2.addClass('jqplot-table-legend jqplot-table-legend-label');
td2.css('paddingTop', rs);
// td1 = $('
'+
// '
'+
// '
');
// td2 = $('
');
if (this.escapeHtml) {
td2.text(lt);
}
else {
td2.html(lt);
}
if (reverse) {
if (this.showLabels) {
td2.prependTo(tr);
}
if (this.showSwatches) {
td1.prependTo(tr);
}
}
else {
if (this.showSwatches) {
td1.appendTo(tr);
}
if (this.showLabels) {
td2.appendTo(tr);
}
}
if (this.seriesToggle) {
// add an overlay for clicking series on/off
// div0 = $(document.createElement('div'));
// div0.addClass('jqplot-table-legend-overlay');
// div0.css({position:'relative', left:0, top:0, height:'100%', width:'100%'});
// tr.append(div0);
var speed;
if (typeof(this.seriesToggle) === 'string' || typeof(this.seriesToggle) === 'number') {
if (!$.jqplot.use_excanvas || !this.disableIEFading) {
speed = this.seriesToggle;
}
}
if (this.showSwatches) {
td1.bind('click', {
series: s,
speed: speed,
plot: plot,
replot: this.seriesToggleReplot
}, handleToggle);
td1.addClass('jqplot-seriesToggle');
}
if (this.showLabels) {
td2.bind('click', {
series: s,
speed: speed,
plot: plot,
replot: this.seriesToggleReplot
}, handleToggle);
td2.addClass('jqplot-seriesToggle');
}
// for series that are already hidden, add the hidden class
if (!s.show && s.showLabel) {
td1.addClass('jqplot-series-hidden');
td2.addClass('jqplot-series-hidden');
}
}
pad = true;
}
}
idx++;
}
td1 = td2 = div0 = div1 = null;
}
}
return this._elem;
};
var handleToggle = function (ev) {
var d = ev.data,
s = d.series,
replot = d.replot,
plot = d.plot,
speed = d.speed,
sidx = s.index,
showing = false;
if (s.canvas._elem.is(':hidden') || !s.show) {
showing = true;
}
var doLegendToggle = function () {
if (replot) {
var opts = {};
if ($.isPlainObject(replot)) {
$.extend(true, opts, replot);
}
plot.replot(opts);
// if showing, there was no canvas element to fade in, so hide here
// and then do a fade in.
if (showing && speed) {
var s = plot.series[sidx];
if (s.shadowCanvas._elem) {
s.shadowCanvas._elem.hide().fadeIn(speed);
}
s.canvas._elem.hide().fadeIn(speed);
s.canvas._elem.nextAll('.jqplot-point-label.jqplot-series-' + s.index).hide().fadeIn(speed);
}
}
else {
var s = plot.series[sidx];
if (s.canvas._elem.is(':hidden') || !s.show) {
// Not sure if there is a better way to check for showSwatches and showLabels === true.
// Test for "undefined" since default values for both showSwatches and showLables is true.
if (typeof plot.options.legend.showSwatches === 'undefined' || plot.options.legend.showSwatches === true) {
plot.legend._elem.find('td').eq(sidx * 2).addClass('jqplot-series-hidden');
}
if (typeof plot.options.legend.showLabels === 'undefined' || plot.options.legend.showLabels === true) {
plot.legend._elem.find('td').eq((sidx * 2) + 1).addClass('jqplot-series-hidden');
}
}
else {
if (typeof plot.options.legend.showSwatches === 'undefined' || plot.options.legend.showSwatches === true) {
plot.legend._elem.find('td').eq(sidx * 2).removeClass('jqplot-series-hidden');
}
if (typeof plot.options.legend.showLabels === 'undefined' || plot.options.legend.showLabels === true) {
plot.legend._elem.find('td').eq((sidx * 2) + 1).removeClass('jqplot-series-hidden');
}
}
}
};
s.toggleDisplay(ev, doLegendToggle);
};
// called with scope of plot.
var postDraw = function () {
if (this.legend.renderer.constructor == $.jqplot.EnhancedLegendRenderer && this.legend.seriesToggle) {
var e = this.legend._elem.detach();
this.eventCanvas._elem.after(e);
}
};
})(jQuery);
