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-/**
- * jqPlot
- * Pure JavaScript plotting plugin using jQuery
- *
- * Version: 1.0.0b2_r792
- *
- * Copyright (c) 2009-2011 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.PieRenderer
- * Plugin renderer to draw a pie chart.
- * x values, if present, will be used as slice labels.
- * y values give slice size.
- *
- * To use this renderer, you need to include the
- * pie renderer plugin, for example:
- *
- * > <script type="text/javascript" src="plugins/jqplot.pieRenderer.js"></script>
- *
- * Properties described here are passed into the $.jqplot function
- * as options on the series renderer. For example:
- *
- * > plot2 = $.jqplot('chart2', [s1, s2], {
- * > seriesDefaults: {
- * > renderer:$.jqplot.PieRenderer,
- * > rendererOptions:{
- * > sliceMargin: 2,
- * > startAngle: -90
- * > }
- * > }
- * > });
- *
- * A pie plot will trigger events on the plot target
- * according to user interaction. All events return the event object,
- * the series index, the point (slice) index, and the point data for
- * the appropriate slice.
- *
- * 'jqplotDataMouseOver' - triggered when user mouseing over a slice.
- * 'jqplotDataHighlight' - triggered the first time user mouses over a slice,
- * if highlighting is enabled.
- * 'jqplotDataUnhighlight' - triggered when a user moves the mouse out of
- * a highlighted slice.
- * 'jqplotDataClick' - triggered when the user clicks on a slice.
- * 'jqplotDataRightClick' - tiggered when the user right clicks on a slice if
- * the "captureRightClick" option is set to true on the plot.
- */
- $.jqplot.PieRenderer = function(){
- $.jqplot.LineRenderer.call(this);
- };
-
- $.jqplot.PieRenderer.prototype = new $.jqplot.LineRenderer();
- $.jqplot.PieRenderer.prototype.constructor = $.jqplot.PieRenderer;
-
- // called with scope of a series
- $.jqplot.PieRenderer.prototype.init = function(options, plot) {
- // Group: Properties
- //
- // prop: diameter
- // Outer diameter of the pie, auto computed by default
- this.diameter = null;
- // prop: padding
- // padding between the pie and plot edges, legend, etc.
- this.padding = 20;
- // prop: sliceMargin
- // angular spacing between pie slices in degrees.
- this.sliceMargin = 0;
- // prop: fill
- // true or false, wether to fil the slices.
- this.fill = true;
- // prop: shadowOffset
- // offset of the shadow from the slice and offset of
- // each succesive stroke of the shadow from the last.
- this.shadowOffset = 2;
- // prop: shadowAlpha
- // transparency of the shadow (0 = transparent, 1 = opaque)
- this.shadowAlpha = 0.07;
- // prop: shadowDepth
- // number of strokes to apply to the shadow,
- // each stroke offset shadowOffset from the last.
- this.shadowDepth = 5;
- // prop: highlightMouseOver
- // True to highlight slice when moused over.
- // This must be false to enable highlightMouseDown to highlight when clicking on a slice.
- this.highlightMouseOver = true;
- // prop: highlightMouseDown
- // True to highlight when a mouse button is pressed over a slice.
- // This will be disabled if highlightMouseOver is true.
- this.highlightMouseDown = false;
- // prop: highlightColors
- // an array of colors to use when highlighting a slice.
- this.highlightColors = [];
- // prop: dataLabels
- // Either 'label', 'value', 'percent' or an array of labels to place on the pie slices.
- // Defaults to percentage of each pie slice.
- this.dataLabels = 'percent';
- // prop: showDataLabels
- // true to show data labels on slices.
- this.showDataLabels = false;
- // prop: dataLabelFormatString
- // Format string for data labels. If none, '%s' is used for "label" and for arrays, '%d' for value and '%d%%' for percentage.
- this.dataLabelFormatString = null;
- // prop: dataLabelThreshold
- // Threshhold in percentage (0-100) of pie area, below which no label will be displayed.
- // This applies to all label types, not just to percentage labels.
- this.dataLabelThreshold = 3;
- // prop: dataLabelPositionFactor
- // A Multiplier (0-1) of the pie radius which controls position of label on slice.
- // Increasing will slide label toward edge of pie, decreasing will slide label toward center of pie.
- this.dataLabelPositionFactor = 0.52;
- // prop: dataLabelNudge
- // Number of pixels to slide the label away from (+) or toward (-) the center of the pie.
- this.dataLabelNudge = 2;
- // prop: dataLabelCenterOn
- // True to center the data label at its position.
- // False to set the inside facing edge of the label at its position.
- this.dataLabelCenterOn = true;
- // prop: startAngle
- // Angle to start drawing pie in degrees.
- // According to orientation of canvas coordinate system:
- // 0 = on the positive x axis
- // -90 = on the positive y axis.
- // 90 = on the negaive y axis.
- // 180 or - 180 = on the negative x axis.
- this.startAngle = 0;
- this.tickRenderer = $.jqplot.PieTickRenderer;
- // Used as check for conditions where pie shouldn't be drawn.
- this._drawData = true;
- this._type = 'pie';
-
- // if user has passed in highlightMouseDown option and not set highlightMouseOver, disable highlightMouseOver
- if (options.highlightMouseDown && options.highlightMouseOver == null) {
- options.highlightMouseOver = false;
- }
-
- $.extend(true, this, options);
-
- if (this.sliceMargin < 0) {
- this.sliceMargin = 0;
- }
-
- this._diameter = null;
- this._radius = null;
- // array of [start,end] angles arrays, one for each slice. In radians.
- this._sliceAngles = [];
- // index of the currenty highlighted point, if any
- this._highlightedPoint = null;
-
- // set highlight colors if none provided
- if (this.highlightColors.length == 0) {
- for (var i=0; i<this.seriesColors.length; i++){
- var rgba = $.jqplot.getColorComponents(this.seriesColors[i]);
- var newrgb = [rgba[0], rgba[1], rgba[2]];
- var sum = newrgb[0] + newrgb[1] + newrgb[2];
- for (var j=0; j<3; j++) {
- // when darkening, lowest color component can be is 60.
- newrgb[j] = (sum > 570) ? newrgb[j] * 0.8 : newrgb[j] + 0.3 * (255 - newrgb[j]);
- newrgb[j] = parseInt(newrgb[j], 10);
- }
- this.highlightColors.push('rgb('+newrgb[0]+','+newrgb[1]+','+newrgb[2]+')');
- }
- }
-
- this.highlightColorGenerator = new $.jqplot.ColorGenerator(this.highlightColors);
-
- plot.postParseOptionsHooks.addOnce(postParseOptions);
- plot.postInitHooks.addOnce(postInit);
- plot.eventListenerHooks.addOnce('jqplotMouseMove', handleMove);
- plot.eventListenerHooks.addOnce('jqplotMouseDown', handleMouseDown);
- plot.eventListenerHooks.addOnce('jqplotMouseUp', handleMouseUp);
- plot.eventListenerHooks.addOnce('jqplotClick', handleClick);
- plot.eventListenerHooks.addOnce('jqplotRightClick', handleRightClick);
- plot.postDrawHooks.addOnce(postPlotDraw);
- };
-
- $.jqplot.PieRenderer.prototype.setGridData = function(plot) {
- // set gridData property. This will hold angle in radians of each data point.
- var stack = [];
- var td = [];
- var sa = this.startAngle/180*Math.PI;
- var tot = 0;
- // don't know if we have any valid data yet, so set plot to not draw.
- this._drawData = false;
- for (var i=0; i<this.data.length; i++){
- if (this.data[i][1] != 0) {
- // we have data, O.K. to draw.
- this._drawData = true;
- }
- stack.push(this.data[i][1]);
- td.push([this.data[i][0]]);
- if (i>0) {
- stack[i] += stack[i-1];
- }
- tot += this.data[i][1];
- }
- var fact = Math.PI*2/stack[stack.length - 1];
-
- for (var i=0; i<stack.length; i++) {
- td[i][1] = stack[i] * fact;
- td[i][2] = this.data[i][1]/tot;
- }
- this.gridData = td;
- };
-
- $.jqplot.PieRenderer.prototype.makeGridData = function(data, plot) {
- var stack = [];
- var td = [];
- var tot = 0;
- var sa = this.startAngle/180*Math.PI;
- // don't know if we have any valid data yet, so set plot to not draw.
- this._drawData = false;
- for (var i=0; i<data.length; i++){
- if (this.data[i][1] != 0) {
- // we have data, O.K. to draw.
- this._drawData = true;
- }
- stack.push(data[i][1]);
- td.push([data[i][0]]);
- if (i>0) {
- stack[i] += stack[i-1];
- }
- tot += data[i][1];
- }
- var fact = Math.PI*2/stack[stack.length - 1];
-
- for (var i=0; i<stack.length; i++) {
- td[i][1] = stack[i] * fact;
- td[i][2] = data[i][1]/tot;
- }
- return td;
- };
-
- function calcRadiusAdjustment(ang) {
- return Math.sin((ang - (ang-Math.PI) / 8 / Math.PI )/2.0);
- }
-
- function calcRPrime(ang1, ang2, sliceMargin, fill, lineWidth) {
- var rprime = 0;
- var ang = ang2 - ang1;
- var absang = Math.abs(ang);
- var sm = sliceMargin;
- if (fill == false) {
- sm += lineWidth;
- }
-
- if (sm > 0 && absang > 0.01 && absang < 6.282) {
- rprime = parseFloat(sm) / 2.0 / calcRadiusAdjustment(ang);
- }
-
- return rprime;
- }
-
- $.jqplot.PieRenderer.prototype.drawSlice = function (ctx, ang1, ang2, color, isShadow) {
- if (this._drawData) {
- var r = this._radius;
- var fill = this.fill;
- var lineWidth = this.lineWidth;
- var sm = this.sliceMargin;
- if (this.fill == false) {
- sm += this.lineWidth;
- }
- ctx.save();
- ctx.translate(this._center[0], this._center[1]);
-
- var rprime = calcRPrime(ang1, ang2, this.sliceMargin, this.fill, this.lineWidth);
-
- var transx = rprime * Math.cos((ang1 + ang2) / 2.0);
- var transy = rprime * Math.sin((ang1 + ang2) / 2.0);
-
- if ((ang2 - ang1) <= Math.PI) {
- r -= rprime;
- }
- else {
- r += rprime;
- }
-
- ctx.translate(transx, transy);
-
- if (isShadow) {
- for (var i=0, l=this.shadowDepth; i<l; i++) {
- ctx.save();
- ctx.translate(this.shadowOffset*Math.cos(this.shadowAngle/180*Math.PI), this.shadowOffset*Math.sin(this.shadowAngle/180*Math.PI));
- doDraw(r);
- }
- for (var i=0, l=this.shadowDepth; i<l; i++) {
- ctx.restore();
- }
- }
-
- else {
- doDraw(r);
- }
- ctx.restore();
- }
-
- function doDraw (rad) {
- // Fix for IE and Chrome that can't seem to draw circles correctly.
- // ang2 should always be <= 2 pi since that is the way the data is converted.
- // 2Pi = 6.2831853, Pi = 3.1415927
- if (ang2 > 6.282 + this.startAngle) {
- ang2 = 6.282 + this.startAngle;
- if (ang1 > ang2) {
- ang1 = 6.281 + this.startAngle;
- }
- }
- // Fix for IE, where it can't seem to handle 0 degree angles. Also avoids
- // ugly line on unfilled pies.
- if (ang1 >= ang2) {
- return;
- }
-
- ctx.beginPath();
- ctx.fillStyle = color;
- ctx.strokeStyle = color;
- ctx.lineWidth = lineWidth;
- ctx.arc(0, 0, rad, ang1, ang2, false);
- ctx.lineTo(0,0);
- ctx.closePath();
-
- if (fill) {
- ctx.fill();
- }
- else {
- ctx.stroke();
- }
- }
- };
-
- // called with scope of series
- $.jqplot.PieRenderer.prototype.draw = function (ctx, gd, options, plot) {
- var i;
- var opts = (options != undefined) ? options : {};
- // offset and direction of offset due to legend placement
- var offx = 0;
- var offy = 0;
- var trans = 1;
- var colorGenerator = new $.jqplot.ColorGenerator(this.seriesColors);
- if (options.legendInfo && options.legendInfo.placement == 'insideGrid') {
- var li = options.legendInfo;
- switch (li.location) {
- case 'nw':
- offx = li.width + li.xoffset;
- break;
- case 'w':
- offx = li.width + li.xoffset;
- break;
- case 'sw':
- offx = li.width + li.xoffset;
- break;
- case 'ne':
- offx = li.width + li.xoffset;
- trans = -1;
- break;
- case 'e':
- offx = li.width + li.xoffset;
- trans = -1;
- break;
- case 'se':
- offx = li.width + li.xoffset;
- trans = -1;
- break;
- case 'n':
- offy = li.height + li.yoffset;
- break;
- case 's':
- offy = li.height + li.yoffset;
- trans = -1;
- break;
- default:
- break;
- }
- }
-
- var shadow = (opts.shadow != undefined) ? opts.shadow : this.shadow;
- var fill = (opts.fill != undefined) ? opts.fill : this.fill;
- var cw = ctx.canvas.width;
- var ch = ctx.canvas.height;
- var w = cw - offx - 2 * this.padding;
- var h = ch - offy - 2 * this.padding;
- var mindim = Math.min(w,h);
- var d = mindim;
-
- // Fixes issue #272. Thanks hugwijst!
- // reset slice angles array.
- this._sliceAngles = [];
-
- var sm = this.sliceMargin;
- if (this.fill == false) {
- sm += this.lineWidth;
- }
-
- var rprime;
- var maxrprime = 0;
-
- var ang, ang1, ang2, shadowColor;
- var sa = this.startAngle / 180 * Math.PI;
-
- // have to pre-draw shadows, so loop throgh here and calculate some values also.
- for (var i=0, l=gd.length; i<l; i++) {
- ang1 = (i == 0) ? sa : gd[i-1][1] + sa;
- ang2 = gd[i][1] + sa;
-
- this._sliceAngles.push([ang1, ang2]);
-
- rprime = calcRPrime(ang1, ang2, this.sliceMargin, this.fill, this.lineWidth);
-
- if (Math.abs(ang2-ang1) > Math.PI) {
- maxrprime = Math.max(rprime, maxrprime);
- }
- }
-
- if (this.diameter != null && this.diameter > 0) {
- this._diameter = this.diameter - 2*maxrprime;
- }
- else {
- this._diameter = d - 2*maxrprime;
- }
-
- // Need to check for undersized pie. This can happen if
- // plot area too small and legend is too big.
- if (this._diameter < 6) {
- $.jqplot.log('Diameter of pie too small, not rendering.');
- return;
- }
-
- var r = this._radius = this._diameter/2;
-
- this._center = [(cw - trans * offx)/2 + trans * offx + maxrprime * Math.cos(sa), (ch - trans*offy)/2 + trans * offy + maxrprime * Math.sin(sa)];
-
- if (this.shadow) {
- for (var i=0, l=gd.length; i<l; i++) {
- shadowColor = 'rgba(0,0,0,'+this.shadowAlpha+')';
- this.renderer.drawSlice.call (this, ctx, this._sliceAngles[i][0], this._sliceAngles[i][1], shadowColor, true);
- }
- }
-
- for (var i=0; i<gd.length; i++) {
-
- this.renderer.drawSlice.call (this, ctx, this._sliceAngles[i][0], this._sliceAngles[i][1], colorGenerator.next(), false);
-
- if (this.showDataLabels && gd[i][2]*100 >= this.dataLabelThreshold) {
- var fstr, avgang = (this._sliceAngles[i][0] + this._sliceAngles[i][1])/2, label;
-
- if (this.dataLabels == 'label') {
- fstr = this.dataLabelFormatString || '%s';
- label = $.jqplot.sprintf(fstr, gd[i][0]);
- }
- else if (this.dataLabels == 'value') {
- fstr = this.dataLabelFormatString || '%d';
- label = $.jqplot.sprintf(fstr, this.data[i][1]);
- }
- else if (this.dataLabels == 'percent') {
- fstr = this.dataLabelFormatString || '%d%%';
- label = $.jqplot.sprintf(fstr, gd[i][2]*100);
- }
- else if (this.dataLabels.constructor == Array) {
- fstr = this.dataLabelFormatString || '%s';
- label = $.jqplot.sprintf(fstr, this.dataLabels[i]);
- }
-
- var fact = (this._radius ) * this.dataLabelPositionFactor + this.sliceMargin + this.dataLabelNudge;
-
- var x = this._center[0] + Math.cos(avgang) * fact + this.canvas._offsets.left;
- var y = this._center[1] + Math.sin(avgang) * fact + this.canvas._offsets.top;
-
- var labelelem = $('<div class="jqplot-pie-series jqplot-data-label" style="position:absolute;">' + label + '</div>').insertBefore(plot.eventCanvas._elem);
- if (this.dataLabelCenterOn) {
- x -= labelelem.width()/2;
- y -= labelelem.height()/2;
- }
- else {
- x -= labelelem.width() * Math.sin(avgang/2);
- y -= labelelem.height()/2;
- }
- x = Math.round(x);
- y = Math.round(y);
- labelelem.css({left: x, top: y});
- }
- }
- };
-
- $.jqplot.PieAxisRenderer = function() {
- $.jqplot.LinearAxisRenderer.call(this);
- };
-
- $.jqplot.PieAxisRenderer.prototype = new $.jqplot.LinearAxisRenderer();
- $.jqplot.PieAxisRenderer.prototype.constructor = $.jqplot.PieAxisRenderer;
-
-
- // There are no traditional axes on a pie chart. We just need to provide
- // dummy objects with properties so the plot will render.
- // called with scope of axis object.
- $.jqplot.PieAxisRenderer.prototype.init = function(options){
- //
- this.tickRenderer = $.jqplot.PieTickRenderer;
- $.extend(true, this, options);
- // I don't think I'm going to need _dataBounds here.
- // have to go Axis scaling in a way to fit chart onto plot area
- // and provide u2p and p2u functionality for mouse cursor, etc.
- // for convienence set _dataBounds to 0 and 100 and
- // set min/max to 0 and 100.
- this._dataBounds = {min:0, max:100};
- this.min = 0;
- this.max = 100;
- this.showTicks = false;
- this.ticks = [];
- this.showMark = false;
- this.show = false;
- };
-
-
-
-
- $.jqplot.PieLegendRenderer = function(){
- $.jqplot.TableLegendRenderer.call(this);
- };
-
- $.jqplot.PieLegendRenderer.prototype = new $.jqplot.TableLegendRenderer();
- $.jqplot.PieLegendRenderer.prototype.constructor = $.jqplot.PieLegendRenderer;
-
- /**
- * Class: $.jqplot.PieLegendRenderer
- * Legend Renderer specific to pie plots. Set by default
- * when user creates a pie plot.
- */
- $.jqplot.PieLegendRenderer.prototype.init = function(options) {
- // Group: Properties
- //
- // 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;
- $.extend(true, this, options);
- };
-
- // called with context of legend
- $.jqplot.PieLegendRenderer.prototype.draw = function() {
- var legend = this;
- if (this.show) {
- var series = this._series;
-
-
- this._elem = $(document.createElement('table'));
- this._elem.addClass('jqplot-table-legend');
-
- var ss = {position:'absolute'};
- if (this.background) {
- ss['background'] = this.background;
- }
- if (this.border) {
- ss['border'] = this.border;
- }
- if (this.fontSize) {
- ss['fontSize'] = this.fontSize;
- }
- if (this.fontFamily) {
- ss['fontFamily'] = this.fontFamily;
- }
- if (this.textColor) {
- ss['textColor'] = this.textColor;
- }
- if (this.marginTop != null) {
- ss['marginTop'] = this.marginTop;
- }
- if (this.marginBottom != null) {
- ss['marginBottom'] = this.marginBottom;
- }
- if (this.marginLeft != null) {
- ss['marginLeft'] = this.marginLeft;
- }
- if (this.marginRight != null) {
- ss['marginRight'] = this.marginRight;
- }
-
- this._elem.css(ss);
-
- // Pie charts legends don't go by number of series, but by number of data points
- // in the series. Refactor things here for that.
-
- var pad = false,
- reverse = false,
- nr,
- nc;
- var s = series[0];
- var colorGenerator = new $.jqplot.ColorGenerator(s.seriesColors);
-
- if (s.show) {
- var pd = s.data;
- if (this.numberRows) {
- nr = this.numberRows;
- if (!this.numberColumns){
- nc = Math.ceil(pd.length/nr);
- }
- else{
- nc = this.numberColumns;
- }
- }
- else if (this.numberColumns) {
- nc = this.numberColumns;
- nr = Math.ceil(pd.length/this.numberColumns);
- }
- else {
- nr = pd.length;
- nc = 1;
- }
-
- var i, j;
- var tr, td1, td2;
- var lt, rs, color;
- var idx = 0;
- var div0, div1;
-
- 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 < pd.length){
- lt = this.labels[idx] || pd[idx][0].toString();
- color = colorGenerator.next();
- 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');
- td1.css({textAlign: 'center', paddingTop: rs});
-
- div0 = $(document.createElement('div'));
- 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');
- td2.css('paddingTop', rs);
-
- if (this.escapeHtml){
- td2.text(lt);
- }
- else {
- td2.html(lt);
- }
- if (reverse) {
- td2.prependTo(tr);
- td1.prependTo(tr);
- }
- else {
- td1.appendTo(tr);
- td2.appendTo(tr);
- }
- pad = true;
- }
- idx++;
- }
- }
- }
- }
- return this._elem;
- };
-
- $.jqplot.PieRenderer.prototype.handleMove = function(ev, gridpos, datapos, neighbor, plot) {
- if (neighbor) {
- var ins = [neighbor.seriesIndex, neighbor.pointIndex, neighbor.data];
- plot.target.trigger('jqplotDataMouseOver', ins);
- if (plot.series[ins[0]].highlightMouseOver && !(ins[0] == plot.plugins.pieRenderer.highlightedSeriesIndex && ins[1] == plot.series[ins[0]]._highlightedPoint)) {
- plot.target.trigger('jqplotDataHighlight', ins);
- highlight (plot, ins[0], ins[1]);
- }
- }
- else if (neighbor == null) {
- unhighlight (plot);
- }
- };
-
-
- // this.eventCanvas._elem.bind($.jqplot.eventListenerHooks[i][0], {plot:this}, $.jqplot.eventListenerHooks[i][1]);
-
- // setup default renderers for axes and legend so user doesn't have to
- // called with scope of plot
- function preInit(target, data, options) {
- options = options || {};
- options.axesDefaults = options.axesDefaults || {};
- options.legend = options.legend || {};
- options.seriesDefaults = options.seriesDefaults || {};
- // only set these if there is a pie series
- var setopts = false;
- if (options.seriesDefaults.renderer == $.jqplot.PieRenderer) {
- setopts = true;
- }
- else if (options.series) {
- for (var i=0; i < options.series.length; i++) {
- if (options.series[i].renderer == $.jqplot.PieRenderer) {
- setopts = true;
- }
- }
- }
-
- if (setopts) {
- options.axesDefaults.renderer = $.jqplot.PieAxisRenderer;
- options.legend.renderer = $.jqplot.PieLegendRenderer;
- options.legend.preDraw = true;
- options.seriesDefaults.pointLabels = {show: false};
- }
- }
-
- function postInit(target, data, options) {
- for (var i=0; i<this.series.length; i++) {
- if (this.series[i].renderer.constructor == $.jqplot.PieRenderer) {
- // don't allow mouseover and mousedown at same time.
- if (this.series[i].highlightMouseOver) {
- this.series[i].highlightMouseDown = false;
- }
- }
- }
- this.target.bind('mouseout', {plot:this}, function (ev) { unhighlight(ev.data.plot); });
- }
-
- // called with scope of plot
- function postParseOptions(options) {
- for (var i=0; i<this.series.length; i++) {
- this.series[i].seriesColors = this.seriesColors;
- this.series[i].colorGenerator = this.colorGenerator;
- }
- }
-
- function highlight (plot, sidx, pidx) {
- var s = plot.series[sidx];
- var canvas = plot.plugins.pieRenderer.highlightCanvas;
- canvas._ctx.clearRect(0,0,canvas._ctx.canvas.width, canvas._ctx.canvas.height);
- s._highlightedPoint = pidx;
- plot.plugins.pieRenderer.highlightedSeriesIndex = sidx;
- s.renderer.drawSlice.call(s, canvas._ctx, s._sliceAngles[pidx][0], s._sliceAngles[pidx][1], s.highlightColorGenerator.get(pidx), false);
- }
-
- function unhighlight (plot) {
- var canvas = plot.plugins.pieRenderer.highlightCanvas;
- canvas._ctx.clearRect(0,0, canvas._ctx.canvas.width, canvas._ctx.canvas.height);
- for (var i=0; i<plot.series.length; i++) {
- plot.series[i]._highlightedPoint = null;
- }
- plot.plugins.pieRenderer.highlightedSeriesIndex = null;
- plot.target.trigger('jqplotDataUnhighlight');
- }
-
- function handleMove(ev, gridpos, datapos, neighbor, plot) {
- if (neighbor) {
- var ins = [neighbor.seriesIndex, neighbor.pointIndex, neighbor.data];
- var evt1 = jQuery.Event('jqplotDataMouseOver');
- evt1.pageX = ev.pageX;
- evt1.pageY = ev.pageY;
- plot.target.trigger(evt1, ins);
- if (plot.series[ins[0]].highlightMouseOver && !(ins[0] == plot.plugins.pieRenderer.highlightedSeriesIndex && ins[1] == plot.series[ins[0]]._highlightedPoint)) {
- var evt = jQuery.Event('jqplotDataHighlight');
- evt.pageX = ev.pageX;
- evt.pageY = ev.pageY;
- plot.target.trigger(evt, ins);
- highlight (plot, ins[0], ins[1]);
- }
- }
- else if (neighbor == null) {
- unhighlight (plot);
- }
- }
-
- function handleMouseDown(ev, gridpos, datapos, neighbor, plot) {
- if (neighbor) {
- var ins = [neighbor.seriesIndex, neighbor.pointIndex, neighbor.data];
- if (plot.series[ins[0]].highlightMouseDown && !(ins[0] == plot.plugins.pieRenderer.highlightedSeriesIndex && ins[1] == plot.series[ins[0]]._highlightedPoint)) {
- var evt = jQuery.Event('jqplotDataHighlight');
- evt.pageX = ev.pageX;
- evt.pageY = ev.pageY;
- plot.target.trigger(evt, ins);
- highlight (plot, ins[0], ins[1]);
- }
- }
- else if (neighbor == null) {
- unhighlight (plot);
- }
- }
-
- function handleMouseUp(ev, gridpos, datapos, neighbor, plot) {
- var idx = plot.plugins.pieRenderer.highlightedSeriesIndex;
- if (idx != null && plot.series[idx].highlightMouseDown) {
- unhighlight(plot);
- }
- }
-
- function handleClick(ev, gridpos, datapos, neighbor, plot) {
- if (neighbor) {
- var ins = [neighbor.seriesIndex, neighbor.pointIndex, neighbor.data];
- var evt = jQuery.Event('jqplotDataClick');
- evt.pageX = ev.pageX;
- evt.pageY = ev.pageY;
- plot.target.trigger(evt, ins);
- }
- }
-
- function handleRightClick(ev, gridpos, datapos, neighbor, plot) {
- if (neighbor) {
- var ins = [neighbor.seriesIndex, neighbor.pointIndex, neighbor.data];
- var idx = plot.plugins.pieRenderer.highlightedSeriesIndex;
- if (idx != null && plot.series[idx].highlightMouseDown) {
- unhighlight(plot);
- }
- var evt = jQuery.Event('jqplotDataRightClick');
- evt.pageX = ev.pageX;
- evt.pageY = ev.pageY;
- plot.target.trigger(evt, ins);
- }
- }
-
- // called within context of plot
- // create a canvas which we can draw on.
- // insert it before the eventCanvas, so eventCanvas will still capture events.
- function postPlotDraw() {
- // Memory Leaks patch
- if (this.plugins.pieRenderer && this.plugins.pieRenderer.highlightCanvas) {
- this.plugins.pieRenderer.highlightCanvas.resetCanvas();
- this.plugins.pieRenderer.highlightCanvas = null;
- }
-
- this.plugins.pieRenderer = {highlightedSeriesIndex:null};
- this.plugins.pieRenderer.highlightCanvas = new $.jqplot.GenericCanvas();
-
- // do we have any data labels? if so, put highlight canvas before those
- var labels = $(this.targetId+' .jqplot-data-label');
- if (labels.length) {
- $(labels[0]).before(this.plugins.pieRenderer.highlightCanvas.createElement(this._gridPadding, 'jqplot-pieRenderer-highlight-canvas', this._plotDimensions, this));
- }
- // else put highlight canvas before event canvas.
- else {
- this.eventCanvas._elem.before(this.plugins.pieRenderer.highlightCanvas.createElement(this._gridPadding, 'jqplot-pieRenderer-highlight-canvas', this._plotDimensions, this));
- }
-
- var hctx = this.plugins.pieRenderer.highlightCanvas.setContext();
- }
-
- $.jqplot.preInitHooks.push(preInit);
-
- $.jqplot.PieTickRenderer = function() {
- $.jqplot.AxisTickRenderer.call(this);
- };
-
- $.jqplot.PieTickRenderer.prototype = new $.jqplot.AxisTickRenderer();
- $.jqplot.PieTickRenderer.prototype.constructor = $.jqplot.PieTickRenderer;
-
-})(jQuery);
-
- \ No newline at end of file