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diff --git a/www/lib/Chart.js/src/Chart.PolarArea.js b/www/lib/Chart.js/src/Chart.PolarArea.js
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--- a/www/lib/Chart.js/src/Chart.PolarArea.js
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-(function(){
- "use strict";
-
- var root = this,
- Chart = root.Chart,
- //Cache a local reference to Chart.helpers
- helpers = Chart.helpers;
-
- var defaultConfig = {
- //Boolean - Show a backdrop to the scale label
- scaleShowLabelBackdrop : true,
-
- //String - The colour of the label backdrop
- scaleBackdropColor : "rgba(255,255,255,0.75)",
-
- // Boolean - Whether the scale should begin at zero
- scaleBeginAtZero : true,
-
- //Number - The backdrop padding above & below the label in pixels
- scaleBackdropPaddingY : 2,
-
- //Number - The backdrop padding to the side of the label in pixels
- scaleBackdropPaddingX : 2,
-
- //Boolean - Show line for each value in the scale
- scaleShowLine : true,
-
- //Boolean - Stroke a line around each segment in the chart
- segmentShowStroke : true,
-
- //String - The colour of the stroke on each segement.
- segmentStrokeColor : "#fff",
-
- //Number - The width of the stroke value in pixels
- segmentStrokeWidth : 2,
-
- //Number - Amount of animation steps
- animationSteps : 100,
-
- //String - Animation easing effect.
- animationEasing : "easeOutBounce",
-
- //Boolean - Whether to animate the rotation of the chart
- animateRotate : true,
-
- //Boolean - Whether to animate scaling the chart from the centre
- animateScale : false,
-
- //String - A legend template
- legendTemplate : "<ul class=\"<%=name.toLowerCase()%>-legend\"><% for (var i=0; i<segments.length; i++){%><li><span style=\"background-color:<%=segments[i].fillColor%>\"></span><%if(segments[i].label){%><%=segments[i].label%><%}%></li><%}%></ul>"
- };
-
-
- Chart.Type.extend({
- //Passing in a name registers this chart in the Chart namespace
- name: "PolarArea",
- //Providing a defaults will also register the deafults in the chart namespace
- defaults : defaultConfig,
- //Initialize is fired when the chart is initialized - Data is passed in as a parameter
- //Config is automatically merged by the core of Chart.js, and is available at this.options
- initialize: function(data){
- this.segments = [];
- //Declare segment class as a chart instance specific class, so it can share props for this instance
- this.SegmentArc = Chart.Arc.extend({
- showStroke : this.options.segmentShowStroke,
- strokeWidth : this.options.segmentStrokeWidth,
- strokeColor : this.options.segmentStrokeColor,
- ctx : this.chart.ctx,
- innerRadius : 0,
- x : this.chart.width/2,
- y : this.chart.height/2
- });
- this.scale = new Chart.RadialScale({
- display: this.options.showScale,
- fontStyle: this.options.scaleFontStyle,
- fontSize: this.options.scaleFontSize,
- fontFamily: this.options.scaleFontFamily,
- fontColor: this.options.scaleFontColor,
- showLabels: this.options.scaleShowLabels,
- showLabelBackdrop: this.options.scaleShowLabelBackdrop,
- backdropColor: this.options.scaleBackdropColor,
- backdropPaddingY : this.options.scaleBackdropPaddingY,
- backdropPaddingX: this.options.scaleBackdropPaddingX,
- lineWidth: (this.options.scaleShowLine) ? this.options.scaleLineWidth : 0,
- lineColor: this.options.scaleLineColor,
- lineArc: true,
- width: this.chart.width,
- height: this.chart.height,
- xCenter: this.chart.width/2,
- yCenter: this.chart.height/2,
- ctx : this.chart.ctx,
- templateString: this.options.scaleLabel,
- valuesCount: data.length
- });
-
- this.updateScaleRange(data);
-
- this.scale.update();
-
- helpers.each(data,function(segment,index){
- this.addData(segment,index,true);
- },this);
-
- //Set up tooltip events on the chart
- if (this.options.showTooltips){
- helpers.bindEvents(this, this.options.tooltipEvents, function(evt){
- var activeSegments = (evt.type !== 'mouseout') ? this.getSegmentsAtEvent(evt) : [];
- helpers.each(this.segments,function(segment){
- segment.restore(["fillColor"]);
- });
- helpers.each(activeSegments,function(activeSegment){
- activeSegment.fillColor = activeSegment.highlightColor;
- });
- this.showTooltip(activeSegments);
- });
- }
-
- this.render();
- },
- getSegmentsAtEvent : function(e){
- var segmentsArray = [];
-
- var location = helpers.getRelativePosition(e);
-
- helpers.each(this.segments,function(segment){
- if (segment.inRange(location.x,location.y)) segmentsArray.push(segment);
- },this);
- return segmentsArray;
- },
- addData : function(segment, atIndex, silent){
- var index = atIndex || this.segments.length;
-
- this.segments.splice(index, 0, new this.SegmentArc({
- fillColor: segment.color,
- highlightColor: segment.highlight || segment.color,
- label: segment.label,
- value: segment.value,
- outerRadius: (this.options.animateScale) ? 0 : this.scale.calculateCenterOffset(segment.value),
- circumference: (this.options.animateRotate) ? 0 : this.scale.getCircumference(),
- startAngle: Math.PI * 1.5
- }));
- if (!silent){
- this.reflow();
- this.update();
- }
- },
- removeData: function(atIndex){
- var indexToDelete = (helpers.isNumber(atIndex)) ? atIndex : this.segments.length-1;
- this.segments.splice(indexToDelete, 1);
- this.reflow();
- this.update();
- },
- calculateTotal: function(data){
- this.total = 0;
- helpers.each(data,function(segment){
- this.total += segment.value;
- },this);
- this.scale.valuesCount = this.segments.length;
- },
- updateScaleRange: function(datapoints){
- var valuesArray = [];
- helpers.each(datapoints,function(segment){
- valuesArray.push(segment.value);
- });
-
- var scaleSizes = (this.options.scaleOverride) ?
- {
- steps: this.options.scaleSteps,
- stepValue: this.options.scaleStepWidth,
- min: this.options.scaleStartValue,
- max: this.options.scaleStartValue + (this.options.scaleSteps * this.options.scaleStepWidth)
- } :
- helpers.calculateScaleRange(
- valuesArray,
- helpers.min([this.chart.width, this.chart.height])/2,
- this.options.scaleFontSize,
- this.options.scaleBeginAtZero,
- this.options.scaleIntegersOnly
- );
-
- helpers.extend(
- this.scale,
- scaleSizes,
- {
- size: helpers.min([this.chart.width, this.chart.height]),
- xCenter: this.chart.width/2,
- yCenter: this.chart.height/2
- }
- );
-
- },
- update : function(){
- this.calculateTotal(this.segments);
-
- helpers.each(this.segments,function(segment){
- segment.save();
- });
-
- this.reflow();
- this.render();
- },
- reflow : function(){
- helpers.extend(this.SegmentArc.prototype,{
- x : this.chart.width/2,
- y : this.chart.height/2
- });
- this.updateScaleRange(this.segments);
- this.scale.update();
-
- helpers.extend(this.scale,{
- xCenter: this.chart.width/2,
- yCenter: this.chart.height/2
- });
-
- helpers.each(this.segments, function(segment){
- segment.update({
- outerRadius : this.scale.calculateCenterOffset(segment.value)
- });
- }, this);
-
- },
- draw : function(ease){
- var easingDecimal = ease || 1;
- //Clear & draw the canvas
- this.clear();
- helpers.each(this.segments,function(segment, index){
- segment.transition({
- circumference : this.scale.getCircumference(),
- outerRadius : this.scale.calculateCenterOffset(segment.value)
- },easingDecimal);
-
- segment.endAngle = segment.startAngle + segment.circumference;
-
- // If we've removed the first segment we need to set the first one to
- // start at the top.
- if (index === 0){
- segment.startAngle = Math.PI * 1.5;
- }
-
- //Check to see if it's the last segment, if not get the next and update the start angle
- if (index < this.segments.length - 1){
- this.segments[index+1].startAngle = segment.endAngle;
- }
- segment.draw();
- }, this);
- this.scale.draw();
- }
- });
-
-}).call(this);
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