friendica-github/library/Chart.js-1.0.2/Chart.min.js

/*!
 * Chart.js
 * http://chartjs.org/
 * Version: 1.0.2
 *
 * Copyright 2015 Nick Downie
 * Released under the MIT license
 * https://github.com/nnnick/Chart.js/blob/master/LICENSE.md
 */
(function(){"use strict";var t=this,i=t.Chart,e=function(t){this.canvas=t.canvas,this.ctx=t;var i=function(t,i){return t["offset"+i]?t["offset"+i]:document.defaultView.getComputedStyle(t).getPropertyValue(i)},e=this.width=i(t.canvas,"Width"),n=this.height=i(t.canvas,"Height");t.canvas.width=e,t.canvas.height=n;var e=this.width=t.canvas.width,n=this.height=t.canvas.height;return this.aspectRatio=this.width/this.height,s.retinaScale(this),this};e.defaults={global:{animation:!0,animationSteps:60,animationEasing:"easeOutQuart",showScale:!0,scaleOverride:!1,scaleSteps:null,scaleStepWidth:null,scaleStartValue:null,scaleLineColor:"rgba(0,0,0,.1)",scaleLineWidth:1,scaleShowLabels:!0,scaleLabel:"<%=value%>",scaleIntegersOnly:!0,scaleBeginAtZero:!1,scaleFontFamily:"'Helvetica Neue', 'Helvetica', 'Arial', sans-serif",scaleFontSize:12,scaleFontStyle:"normal",scaleFontColor:"#666",responsive:!1,maintainAspectRatio:!0,showTooltips:!0,customTooltips:!1,tooltipEvents:["mousemove","touchstart","touchmove","mouseout"],tooltipFillColor:"rgba(0,0,0,0.8)",tooltipFontFamily:"'Helvetica Neue', 'Helvetica', 'Arial', sans-serif",tooltipFontSize:14,tooltipFontStyle:"normal",tooltipFontColor:"#fff",tooltipTitleFontFamily:"'Helvetica Neue', 'Helvetica', 'Arial', sans-serif",tooltipTitleFontSize:14,tooltipTitleFontStyle:"bold",tooltipTitleFontColor:"#fff",tooltipYPadding:6,tooltipXPadding:6,tooltipCaretSize:8,tooltipCornerRadius:6,tooltipXOffset:10,tooltipTemplate:"<%if (label){%><%=label%>: <%}%><%= value %>",multiTooltipTemplate:"<%= value %>",multiTooltipKeyBackground:"#fff",onAnimationProgress:function(){},onAnimationComplete:function(){}}},e.types={};var s=e.helpers={},n=s.each=function(t,i,e){var s=Array.prototype.slice.call(arguments,3);if(t)if(t.length===+t.length){var n;for(n=0;n<t.length;n++)i.apply(e,[t[n],n].concat(s))}else for(var o in t)i.apply(e,[t[o],o].concat(s))},o=s.clone=function(t){var i={};return n(t,function(e,s){t.hasOwnProperty(s)&&(i[s]=e)}),i},a=s.extend=function(t){return n(Array.prototype.slice.call(arguments,1),function(i){n(i,function(e,s){i.hasOwnProperty(s)&&(t[s]=e)})}),t},h=s.merge=function(){var t=Array.prototype.slice.call(arguments,0);return t.unshift({}),a.apply(null,t)},l=s.indexOf=function(t,i){if(Array.prototype.indexOf)return t.indexOf(i);for(var e=0;e<t.length;e++)if(t[e]===i)return e;return-1},r=(s.where=function(t,i){var e=[];return s.each(t,function(t){i(t)&&e.push(t)}),e},s.findNextWhere=function(t,i,e){e||(e=-1);for(var s=e+1;s<t.length;s++){var n=t[s];if(i(n))return n}},s.findPreviousWhere=function(t,i,e){e||(e=t.length);for(var s=e-1;s>=0;s--){var n=t[s];if(i(n))return n}},s.inherits=function(t){var i=this,e=t&&t.hasOwnProperty("constructor")?t.constructor:function(){return i.apply(this,arguments)},s=function(){this.constructor=e};return s.prototype=i.prototype,e.prototype=new s,e.extend=r,t&&a(e.prototype,t),e.__super__=i.prototype,e}),c=s.noop=function(){},u=s.uid=function(){var t=0;return function(){return"chart-"+t++}}(),d=s.warn=function(t){window.console&&"function"==typeof window.console.warn&&console.warn(t)},p=s.amd="function"==typeof define&&define.amd,f=s.isNumber=function(t){return!isNaN(parseFloat(t))&&isFinite(t)},g=s.max=function(t){return Math.max.apply(Math,t)},m=s.min=function(t){return Math.min.apply(Math,t)},v=(s.cap=function(t,i,e){if(f(i)){if(t>i)return i}else if(f(e)&&e>t)return e;return t},s.getDecimalPlaces=function(t){return t%1!==0&&f(t)?t.toString().split(".")[1].length:0}),S=s.radians=function(t){return t*(Math.PI/180)},x=(s.getAngleFromPoint=function(t,i){var e=i.x-t.x,s=i.y-t.y,n=Math.sqrt(e*e+s*s),o=2*Math.PI+Math.atan2(s,e);return 0>e&&0>s&&(o+=2*Math.PI),{angle:o,distance:n}},s.aliasPixel=function(t){return t%2===0?0:.5}),y=(s.splineCurve=function(t,i,e,s){var n=Math.sqrt(Math.pow(i.x-t.x,2)+Math.pow(i.y-t.y,2)),o=Math.sqrt(Math.pow(e.x-i.x,2)+Math.pow(e.y-i.y,2)),a=s*n/(n+o),h=s*o/(n+o);return{inner:{x:i.x-a*(e.x-t.x),y:i.y-a*(e.y-t.y)},outer:{x:i.x+h*(e.x-t.x),y:i.y+h*(e.y-t.y)}}},s.calculateOrderOfMagnitude=function(t){return Math.floor(Math.log(t)/Math.LN10)}),
},this),this.scale.addXLabel(i),this.update()},removeData:function(){this.scale.removeXLabel(),e.each(this.datasets,function(t){t.bars.shift()},this),this.update()},reflow:function(){e.extend(this.BarClass.prototype,{y:this.scale.endPoint,base:this.scale.endPoint});var t=e.extend({height:this.chart.height,width:this.chart.width});this.scale.update(t)},draw:function(t){var i=t||1;this.clear();this.chart.ctx;this.scale.draw(i),e.each(this.datasets,function(t,s){e.each(t.bars,function(t,e){t.hasValue()&&(t.base=this.scale.endPoint,t.transition({x:this.scale.calculateBarX(this.datasets.length,s,e),y:this.scale.calculateY(t.value),width:this.scale.calculateBarWidth(this.datasets.length)},i).draw())},this)},this)}})}.call(this),function(){"use strict";var t=this,i=t.Chart,e=i.helpers,s={segmentShowStroke:!0,segmentStrokeColor:"#fff",segmentStrokeWidth:2,percentageInnerCutout:50,animationSteps:100,animationEasing:"easeOutBounce",animateRotate:!0,animateScale:!1,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>'};i.Type.extend({name:"Doughnut",defaults:s,initialize:function(t){this.segments=[],this.outerRadius=(e.min([this.chart.width,this.chart.height])-this.options.segmentStrokeWidth/2)/2,this.SegmentArc=i.Arc.extend({ctx:this.chart.ctx,x:this.chart.width/2,y:this.chart.height/2}),this.options.showTooltips&&e.bindEvents(this,this.options.tooltipEvents,function(t){var i="mouseout"!==t.type?this.getSegmentsAtEvent(t):[];e.each(this.segments,function(t){t.restore(["fillColor"])}),e.each(i,function(t){t.fillColor=t.highlightColor}),this.showTooltip(i)}),this.calculateTotal(t),e.each(t,function(t,i){this.addData(t,i,!0)},this),this.render()},getSegmentsAtEvent:function(t){var i=[],s=e.getRelativePosition(t);return e.each(this.segments,function(t){t.inRange(s.x,s.y)&&i.push(t)},this),i},addData:function(t,i,e){var s=i||this.segments.length;this.segments.splice(s,0,new this.SegmentArc({value:t.value,outerRadius:this.options.animateScale?0:this.outerRadius,innerRadius:this.options.animateScale?0:this.outerRadius/100*this.options.percentageInnerCutout,fillColor:t.color,highlightColor:t.highlight||t.color,showStroke:this.options.segmentShowStroke,strokeWidth:this.options.segmentStrokeWidth,strokeColor:this.options.segmentStrokeColor,startAngle:1.5*Math.PI,circumference:this.options.animateRotate?0:this.calculateCircumference(t.value),label:t.label})),e||(this.reflow(),this.update())},calculateCircumference:function(t){return 2*Math.PI*(Math.abs(t)/this.total)},calculateTotal:function(t){this.total=0,e.each(t,function(t){this.total+=Math.abs(t.value)},this)},update:function(){this.calculateTotal(this.segments),e.each(this.activeElements,function(t){t.restore(["fillColor"])}),e.each(this.segments,function(t){t.save()}),this.render()},removeData:function(t){var i=e.isNumber(t)?t:this.segments.length-1;this.segments.splice(i,1),this.reflow(),this.update()},reflow:function(){e.extend(this.SegmentArc.prototype,{x:this.chart.width/2,y:this.chart.height/2}),this.outerRadius=(e.min([this.chart.width,this.chart.height])-this.options.segmentStrokeWidth/2)/2,e.each(this.segments,function(t){t.update({outerRadius:this.outerRadius,innerRadius:this.outerRadius/100*this.options.percentageInnerCutout})},this)},draw:function(t){var i=t?t:1;this.clear(),e.each(this.segments,function(t,e){t.transition({circumference:this.calculateCircumference(t.value),outerRadius:this.outerRadius,innerRadius:this.outerRadius/100*this.options.percentageInnerCutout},i),t.endAngle=t.startAngle+t.circumference,t.draw(),0===e&&(t.startAngle=1.5*Math.PI),e<this.segments.length-1&&(this.segments[e+1].startAngle=t.endAngle)},this)}}),i.types.Doughnut.extend({name:"Pie",defaults:e.merge(s,{percentageInnerCutout:0})})}.call(this),function(){"use strict";var t=this,i=t.Chart,e=i.helpers,s={scaleShowGridLines:!0,scaleGridLineColor:"rgba(0,0,0,.05)",scaleGridLineWidth:1,scaleShowHorizontalLines:!0