X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Fpybind%2Fmgr%2Fdashboard%2Fstatic%2FAdminLTE-2.3.7%2Fplugins%2Fchartjs%2FChart.js;fp=src%2Fceph%2Fsrc%2Fpybind%2Fmgr%2Fdashboard%2Fstatic%2FAdminLTE-2.3.7%2Fplugins%2Fchartjs%2FChart.js;h=0000000000000000000000000000000000000000;hb=7da45d65be36d36b880cc55c5036e96c24b53f00;hp=954fbe8bb6797ec010568604bff662c02cd31654;hpb=691462d09d0987b47e112d6ee8740375df3c51b2;p=stor4nfv.git diff --git a/src/ceph/src/pybind/mgr/dashboard/static/AdminLTE-2.3.7/plugins/chartjs/Chart.js b/src/ceph/src/pybind/mgr/dashboard/static/AdminLTE-2.3.7/plugins/chartjs/Chart.js deleted file mode 100755 index 954fbe8..0000000 --- a/src/ceph/src/pybind/mgr/dashboard/static/AdminLTE-2.3.7/plugins/chartjs/Chart.js +++ /dev/null @@ -1,3736 +0,0 @@ -/*! - * Chart.js - * http://chartjs.org/ - * Version: 1.1.1 - * - * Copyright 2015 Nick Downie - * Released under the MIT license - * https://github.com/nnnick/Chart.js/blob/master/LICENSE.md - */ - - -(function(){ - - "use strict"; - - //Declare root variable - window in the browser, global on the server - var root = this, - previous = root.Chart; - - //Occupy the global variable of Chart, and create a simple base class - var Chart = function(context){ - var chart = this; - this.canvas = context.canvas; - - this.ctx = context; - - //Variables global to the chart - var computeDimension = function(element,dimension) - { - if (element['offset'+dimension]) - { - return element['offset'+dimension]; - } - else - { - return document.defaultView.getComputedStyle(element).getPropertyValue(dimension); - } - }; - - var width = this.width = computeDimension(context.canvas,'Width') || context.canvas.width; - var height = this.height = computeDimension(context.canvas,'Height') || context.canvas.height; - - this.aspectRatio = this.width / this.height; - //High pixel density displays - multiply the size of the canvas height/width by the device pixel ratio, then scale. - helpers.retinaScale(this); - - return this; - }; - //Globally expose the defaults to allow for user updating/changing - Chart.defaults = { - global: { - // Boolean - Whether to animate the chart - animation: true, - - // Number - Number of animation steps - animationSteps: 60, - - // String - Animation easing effect - animationEasing: "easeOutQuart", - - // Boolean - If we should show the scale at all - showScale: true, - - // Boolean - If we want to override with a hard coded scale - scaleOverride: false, - - // ** Required if scaleOverride is true ** - // Number - The number of steps in a hard coded scale - scaleSteps: null, - // Number - The value jump in the hard coded scale - scaleStepWidth: null, - // Number - The scale starting value - scaleStartValue: null, - - // String - Colour of the scale line - scaleLineColor: "rgba(0,0,0,.1)", - - // Number - Pixel width of the scale line - scaleLineWidth: 1, - - // Boolean - Whether to show labels on the scale - scaleShowLabels: true, - - // Interpolated JS string - can access value - scaleLabel: "<%=value%>", - - // Boolean - Whether the scale should stick to integers, and not show any floats even if drawing space is there - scaleIntegersOnly: true, - - // Boolean - Whether the scale should start at zero, or an order of magnitude down from the lowest value - scaleBeginAtZero: false, - - // String - Scale label font declaration for the scale label - scaleFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif", - - // Number - Scale label font size in pixels - scaleFontSize: 12, - - // String - Scale label font weight style - scaleFontStyle: "normal", - - // String - Scale label font colour - scaleFontColor: "#666", - - // Boolean - whether or not the chart should be responsive and resize when the browser does. - responsive: false, - - // Boolean - whether to maintain the starting aspect ratio or not when responsive, if set to false, will take up entire container - maintainAspectRatio: true, - - // Boolean - Determines whether to draw tooltips on the canvas or not - attaches events to touchmove & mousemove - showTooltips: true, - - // Boolean - Determines whether to draw built-in tooltip or call custom tooltip function - customTooltips: false, - - // Array - Array of string names to attach tooltip events - tooltipEvents: ["mousemove", "touchstart", "touchmove", "mouseout"], - - // String - Tooltip background colour - tooltipFillColor: "rgba(0,0,0,0.8)", - - // String - Tooltip label font declaration for the scale label - tooltipFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif", - - // Number - Tooltip label font size in pixels - tooltipFontSize: 14, - - // String - Tooltip font weight style - tooltipFontStyle: "normal", - - // String - Tooltip label font colour - tooltipFontColor: "#fff", - - // String - Tooltip title font declaration for the scale label - tooltipTitleFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif", - - // Number - Tooltip title font size in pixels - tooltipTitleFontSize: 14, - - // String - Tooltip title font weight style - tooltipTitleFontStyle: "bold", - - // String - Tooltip title font colour - tooltipTitleFontColor: "#fff", - - // String - Tooltip title template - tooltipTitleTemplate: "<%= label%>", - - // Number - pixel width of padding around tooltip text - tooltipYPadding: 6, - - // Number - pixel width of padding around tooltip text - tooltipXPadding: 6, - - // Number - Size of the caret on the tooltip - tooltipCaretSize: 8, - - // Number - Pixel radius of the tooltip border - tooltipCornerRadius: 6, - - // Number - Pixel offset from point x to tooltip edge - tooltipXOffset: 10, - - // String - Template string for single tooltips - tooltipTemplate: "<%if (label){%><%=label%>: <%}%><%= value %>", - - // String - Template string for single tooltips - multiTooltipTemplate: "<%= datasetLabel %>: <%= value %>", - - // String - Colour behind the legend colour block - multiTooltipKeyBackground: '#fff', - - // Array - A list of colors to use as the defaults - segmentColorDefault: ["#A6CEE3", "#1F78B4", "#B2DF8A", "#33A02C", "#FB9A99", "#E31A1C", "#FDBF6F", "#FF7F00", "#CAB2D6", "#6A3D9A", "#B4B482", "#B15928" ], - - // Array - A list of highlight colors to use as the defaults - segmentHighlightColorDefaults: [ "#CEF6FF", "#47A0DC", "#DAFFB2", "#5BC854", "#FFC2C1", "#FF4244", "#FFE797", "#FFA728", "#F2DAFE", "#9265C2", "#DCDCAA", "#D98150" ], - - // Function - Will fire on animation progression. - onAnimationProgress: function(){}, - - // Function - Will fire on animation completion. - onAnimationComplete: function(){} - - } - }; - - //Create a dictionary of chart types, to allow for extension of existing types - Chart.types = {}; - - //Global Chart helpers object for utility methods and classes - var helpers = Chart.helpers = {}; - - //-- Basic js utility methods - var each = helpers.each = function(loopable,callback,self){ - var additionalArgs = Array.prototype.slice.call(arguments, 3); - // Check to see if null or undefined firstly. - if (loopable){ - if (loopable.length === +loopable.length){ - var i; - for (i=0; i= 0; i--) { - var currentItem = arrayToSearch[i]; - if (filterCallback(currentItem)){ - return currentItem; - } - } - }, - inherits = helpers.inherits = function(extensions){ - //Basic javascript inheritance based on the model created in Backbone.js - var parent = this; - var ChartElement = (extensions && extensions.hasOwnProperty("constructor")) ? extensions.constructor : function(){ return parent.apply(this, arguments); }; - - var Surrogate = function(){ this.constructor = ChartElement;}; - Surrogate.prototype = parent.prototype; - ChartElement.prototype = new Surrogate(); - - ChartElement.extend = inherits; - - if (extensions) extend(ChartElement.prototype, extensions); - - ChartElement.__super__ = parent.prototype; - - return ChartElement; - }, - noop = helpers.noop = function(){}, - uid = helpers.uid = (function(){ - var id=0; - return function(){ - return "chart-" + id++; - }; - })(), - warn = helpers.warn = function(str){ - //Method for warning of errors - if (window.console && typeof window.console.warn === "function") console.warn(str); - }, - amd = helpers.amd = (typeof define === 'function' && define.amd), - //-- Math methods - isNumber = helpers.isNumber = function(n){ - return !isNaN(parseFloat(n)) && isFinite(n); - }, - max = helpers.max = function(array){ - return Math.max.apply( Math, array ); - }, - min = helpers.min = function(array){ - return Math.min.apply( Math, array ); - }, - cap = helpers.cap = function(valueToCap,maxValue,minValue){ - if(isNumber(maxValue)) { - if( valueToCap > maxValue ) { - return maxValue; - } - } - else if(isNumber(minValue)){ - if ( valueToCap < minValue ){ - return minValue; - } - } - return valueToCap; - }, - getDecimalPlaces = helpers.getDecimalPlaces = function(num){ - if (num%1!==0 && isNumber(num)){ - var s = num.toString(); - if(s.indexOf("e-") < 0){ - // no exponent, e.g. 0.01 - return s.split(".")[1].length; - } - else if(s.indexOf(".") < 0) { - // no decimal point, e.g. 1e-9 - return parseInt(s.split("e-")[1]); - } - else { - // exponent and decimal point, e.g. 1.23e-9 - var parts = s.split(".")[1].split("e-"); - return parts[0].length + parseInt(parts[1]); - } - } - else { - return 0; - } - }, - toRadians = helpers.radians = function(degrees){ - return degrees * (Math.PI/180); - }, - // Gets the angle from vertical upright to the point about a centre. - getAngleFromPoint = helpers.getAngleFromPoint = function(centrePoint, anglePoint){ - var distanceFromXCenter = anglePoint.x - centrePoint.x, - distanceFromYCenter = anglePoint.y - centrePoint.y, - radialDistanceFromCenter = Math.sqrt( distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter); - - - var angle = Math.PI * 2 + Math.atan2(distanceFromYCenter, distanceFromXCenter); - - //If the segment is in the top left quadrant, we need to add another rotation to the angle - if (distanceFromXCenter < 0 && distanceFromYCenter < 0){ - angle += Math.PI*2; - } - - return { - angle: angle, - distance: radialDistanceFromCenter - }; - }, - aliasPixel = helpers.aliasPixel = function(pixelWidth){ - return (pixelWidth % 2 === 0) ? 0 : 0.5; - }, - splineCurve = helpers.splineCurve = function(FirstPoint,MiddlePoint,AfterPoint,t){ - //Props to Rob Spencer at scaled innovation for his post on splining between points - //http://scaledinnovation.com/analytics/splines/aboutSplines.html - var d01=Math.sqrt(Math.pow(MiddlePoint.x-FirstPoint.x,2)+Math.pow(MiddlePoint.y-FirstPoint.y,2)), - d12=Math.sqrt(Math.pow(AfterPoint.x-MiddlePoint.x,2)+Math.pow(AfterPoint.y-MiddlePoint.y,2)), - fa=t*d01/(d01+d12),// scaling factor for triangle Ta - fb=t*d12/(d01+d12); - return { - inner : { - x : MiddlePoint.x-fa*(AfterPoint.x-FirstPoint.x), - y : MiddlePoint.y-fa*(AfterPoint.y-FirstPoint.y) - }, - outer : { - x: MiddlePoint.x+fb*(AfterPoint.x-FirstPoint.x), - y : MiddlePoint.y+fb*(AfterPoint.y-FirstPoint.y) - } - }; - }, - calculateOrderOfMagnitude = helpers.calculateOrderOfMagnitude = function(val){ - return Math.floor(Math.log(val) / Math.LN10); - }, - calculateScaleRange = helpers.calculateScaleRange = function(valuesArray, drawingSize, textSize, startFromZero, integersOnly){ - - //Set a minimum step of two - a point at the top of the graph, and a point at the base - var minSteps = 2, - maxSteps = Math.floor(drawingSize/(textSize * 1.5)), - skipFitting = (minSteps >= maxSteps); - - // Filter out null values since these would min() to zero - var values = []; - each(valuesArray, function( v ){ - v == null || values.push( v ); - }); - var minValue = min(values), - maxValue = max(values); - - // We need some degree of separation here to calculate the scales if all the values are the same - // Adding/minusing 0.5 will give us a range of 1. - if (maxValue === minValue){ - maxValue += 0.5; - // So we don't end up with a graph with a negative start value if we've said always start from zero - if (minValue >= 0.5 && !startFromZero){ - minValue -= 0.5; - } - else{ - // Make up a whole number above the values - maxValue += 0.5; - } - } - - var valueRange = Math.abs(maxValue - minValue), - rangeOrderOfMagnitude = calculateOrderOfMagnitude(valueRange), - graphMax = Math.ceil(maxValue / (1 * Math.pow(10, rangeOrderOfMagnitude))) * Math.pow(10, rangeOrderOfMagnitude), - graphMin = (startFromZero) ? 0 : Math.floor(minValue / (1 * Math.pow(10, rangeOrderOfMagnitude))) * Math.pow(10, rangeOrderOfMagnitude), - graphRange = graphMax - graphMin, - stepValue = Math.pow(10, rangeOrderOfMagnitude), - numberOfSteps = Math.round(graphRange / stepValue); - - //If we have more space on the graph we'll use it to give more definition to the data - while((numberOfSteps > maxSteps || (numberOfSteps * 2) < maxSteps) && !skipFitting) { - if(numberOfSteps > maxSteps){ - stepValue *=2; - numberOfSteps = Math.round(graphRange/stepValue); - // Don't ever deal with a decimal number of steps - cancel fitting and just use the minimum number of steps. - if (numberOfSteps % 1 !== 0){ - skipFitting = true; - } - } - //We can fit in double the amount of scale points on the scale - else{ - //If user has declared ints only, and the step value isn't a decimal - if (integersOnly && rangeOrderOfMagnitude >= 0){ - //If the user has said integers only, we need to check that making the scale more granular wouldn't make it a float - if(stepValue/2 % 1 === 0){ - stepValue /=2; - numberOfSteps = Math.round(graphRange/stepValue); - } - //If it would make it a float break out of the loop - else{ - break; - } - } - //If the scale doesn't have to be an int, make the scale more granular anyway. - else{ - stepValue /=2; - numberOfSteps = Math.round(graphRange/stepValue); - } - - } - } - - if (skipFitting){ - numberOfSteps = minSteps; - stepValue = graphRange / numberOfSteps; - } - - return { - steps : numberOfSteps, - stepValue : stepValue, - min : graphMin, - max : graphMin + (numberOfSteps * stepValue) - }; - - }, - /* jshint ignore:start */ - // Blows up jshint errors based on the new Function constructor - //Templating methods - //Javascript micro templating by John Resig - source at http://ejohn.org/blog/javascript-micro-templating/ - template = helpers.template = function(templateString, valuesObject){ - - // If templateString is function rather than string-template - call the function for valuesObject - - if(templateString instanceof Function){ - return templateString(valuesObject); - } - - var cache = {}; - function tmpl(str, data){ - // Figure out if we're getting a template, or if we need to - // load the template - and be sure to cache the result. - var fn = !/\W/.test(str) ? - cache[str] = cache[str] : - - // Generate a reusable function that will serve as a template - // generator (and which will be cached). - new Function("obj", - "var p=[],print=function(){p.push.apply(p,arguments);};" + - - // Introduce the data as local variables using with(){} - "with(obj){p.push('" + - - // Convert the template into pure JavaScript - str - .replace(/[\r\t\n]/g, " ") - .split("<%").join("\t") - .replace(/((^|%>)[^\t]*)'/g, "$1\r") - .replace(/\t=(.*?)%>/g, "',$1,'") - .split("\t").join("');") - .split("%>").join("p.push('") - .split("\r").join("\\'") + - "');}return p.join('');" - ); - - // Provide some basic currying to the user - return data ? fn( data ) : fn; - } - return tmpl(templateString,valuesObject); - }, - /* jshint ignore:end */ - generateLabels = helpers.generateLabels = function(templateString,numberOfSteps,graphMin,stepValue){ - var labelsArray = new Array(numberOfSteps); - if (templateString){ - each(labelsArray,function(val,index){ - labelsArray[index] = template(templateString,{value: (graphMin + (stepValue*(index+1)))}); - }); - } - return labelsArray; - }, - //--Animation methods - //Easing functions adapted from Robert Penner's easing equations - //http://www.robertpenner.com/easing/ - easingEffects = helpers.easingEffects = { - linear: function (t) { - return t; - }, - easeInQuad: function (t) { - return t * t; - }, - easeOutQuad: function (t) { - return -1 * t * (t - 2); - }, - easeInOutQuad: function (t) { - if ((t /= 1 / 2) < 1){ - return 1 / 2 * t * t; - } - return -1 / 2 * ((--t) * (t - 2) - 1); - }, - easeInCubic: function (t) { - return t * t * t; - }, - easeOutCubic: function (t) { - return 1 * ((t = t / 1 - 1) * t * t + 1); - }, - easeInOutCubic: function (t) { - if ((t /= 1 / 2) < 1){ - return 1 / 2 * t * t * t; - } - return 1 / 2 * ((t -= 2) * t * t + 2); - }, - easeInQuart: function (t) { - return t * t * t * t; - }, - easeOutQuart: function (t) { - return -1 * ((t = t / 1 - 1) * t * t * t - 1); - }, - easeInOutQuart: function (t) { - if ((t /= 1 / 2) < 1){ - return 1 / 2 * t * t * t * t; - } - return -1 / 2 * ((t -= 2) * t * t * t - 2); - }, - easeInQuint: function (t) { - return 1 * (t /= 1) * t * t * t * t; - }, - easeOutQuint: function (t) { - return 1 * ((t = t / 1 - 1) * t * t * t * t + 1); - }, - easeInOutQuint: function (t) { - if ((t /= 1 / 2) < 1){ - return 1 / 2 * t * t * t * t * t; - } - return 1 / 2 * ((t -= 2) * t * t * t * t + 2); - }, - easeInSine: function (t) { - return -1 * Math.cos(t / 1 * (Math.PI / 2)) + 1; - }, - easeOutSine: function (t) { - return 1 * Math.sin(t / 1 * (Math.PI / 2)); - }, - easeInOutSine: function (t) { - return -1 / 2 * (Math.cos(Math.PI * t / 1) - 1); - }, - easeInExpo: function (t) { - return (t === 0) ? 1 : 1 * Math.pow(2, 10 * (t / 1 - 1)); - }, - easeOutExpo: function (t) { - return (t === 1) ? 1 : 1 * (-Math.pow(2, -10 * t / 1) + 1); - }, - easeInOutExpo: function (t) { - if (t === 0){ - return 0; - } - if (t === 1){ - return 1; - } - if ((t /= 1 / 2) < 1){ - return 1 / 2 * Math.pow(2, 10 * (t - 1)); - } - return 1 / 2 * (-Math.pow(2, -10 * --t) + 2); - }, - easeInCirc: function (t) { - if (t >= 1){ - return t; - } - return -1 * (Math.sqrt(1 - (t /= 1) * t) - 1); - }, - easeOutCirc: function (t) { - return 1 * Math.sqrt(1 - (t = t / 1 - 1) * t); - }, - easeInOutCirc: function (t) { - if ((t /= 1 / 2) < 1){ - return -1 / 2 * (Math.sqrt(1 - t * t) - 1); - } - return 1 / 2 * (Math.sqrt(1 - (t -= 2) * t) + 1); - }, - easeInElastic: function (t) { - var s = 1.70158; - var p = 0; - var a = 1; - if (t === 0){ - return 0; - } - if ((t /= 1) == 1){ - return 1; - } - if (!p){ - p = 1 * 0.3; - } - if (a < Math.abs(1)) { - a = 1; - s = p / 4; - } else{ - s = p / (2 * Math.PI) * Math.asin(1 / a); - } - return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * 1 - s) * (2 * Math.PI) / p)); - }, - easeOutElastic: function (t) { - var s = 1.70158; - var p = 0; - var a = 1; - if (t === 0){ - return 0; - } - if ((t /= 1) == 1){ - return 1; - } - if (!p){ - p = 1 * 0.3; - } - if (a < Math.abs(1)) { - a = 1; - s = p / 4; - } else{ - s = p / (2 * Math.PI) * Math.asin(1 / a); - } - return a * Math.pow(2, -10 * t) * Math.sin((t * 1 - s) * (2 * Math.PI) / p) + 1; - }, - easeInOutElastic: function (t) { - var s = 1.70158; - var p = 0; - var a = 1; - if (t === 0){ - return 0; - } - if ((t /= 1 / 2) == 2){ - return 1; - } - if (!p){ - p = 1 * (0.3 * 1.5); - } - if (a < Math.abs(1)) { - a = 1; - s = p / 4; - } else { - s = p / (2 * Math.PI) * Math.asin(1 / a); - } - if (t < 1){ - return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * 1 - s) * (2 * Math.PI) / p));} - return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t * 1 - s) * (2 * Math.PI) / p) * 0.5 + 1; - }, - easeInBack: function (t) { - var s = 1.70158; - return 1 * (t /= 1) * t * ((s + 1) * t - s); - }, - easeOutBack: function (t) { - var s = 1.70158; - return 1 * ((t = t / 1 - 1) * t * ((s + 1) * t + s) + 1); - }, - easeInOutBack: function (t) { - var s = 1.70158; - if ((t /= 1 / 2) < 1){ - return 1 / 2 * (t * t * (((s *= (1.525)) + 1) * t - s)); - } - return 1 / 2 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2); - }, - easeInBounce: function (t) { - return 1 - easingEffects.easeOutBounce(1 - t); - }, - easeOutBounce: function (t) { - if ((t /= 1) < (1 / 2.75)) { - return 1 * (7.5625 * t * t); - } else if (t < (2 / 2.75)) { - return 1 * (7.5625 * (t -= (1.5 / 2.75)) * t + 0.75); - } else if (t < (2.5 / 2.75)) { - return 1 * (7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375); - } else { - return 1 * (7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375); - } - }, - easeInOutBounce: function (t) { - if (t < 1 / 2){ - return easingEffects.easeInBounce(t * 2) * 0.5; - } - return easingEffects.easeOutBounce(t * 2 - 1) * 0.5 + 1 * 0.5; - } - }, - //Request animation polyfill - http://www.paulirish.com/2011/requestanimationframe-for-smart-animating/ - requestAnimFrame = helpers.requestAnimFrame = (function(){ - return window.requestAnimationFrame || - window.webkitRequestAnimationFrame || - window.mozRequestAnimationFrame || - window.oRequestAnimationFrame || - window.msRequestAnimationFrame || - function(callback) { - return window.setTimeout(callback, 1000 / 60); - }; - })(), - cancelAnimFrame = helpers.cancelAnimFrame = (function(){ - return window.cancelAnimationFrame || - window.webkitCancelAnimationFrame || - window.mozCancelAnimationFrame || - window.oCancelAnimationFrame || - window.msCancelAnimationFrame || - function(callback) { - return window.clearTimeout(callback, 1000 / 60); - }; - })(), - animationLoop = helpers.animationLoop = function(callback,totalSteps,easingString,onProgress,onComplete,chartInstance){ - - var currentStep = 0, - easingFunction = easingEffects[easingString] || easingEffects.linear; - - var animationFrame = function(){ - currentStep++; - var stepDecimal = currentStep/totalSteps; - var easeDecimal = easingFunction(stepDecimal); - - callback.call(chartInstance,easeDecimal,stepDecimal, currentStep); - onProgress.call(chartInstance,easeDecimal,stepDecimal); - if (currentStep < totalSteps){ - chartInstance.animationFrame = requestAnimFrame(animationFrame); - } else{ - onComplete.apply(chartInstance); - } - }; - requestAnimFrame(animationFrame); - }, - //-- DOM methods - getRelativePosition = helpers.getRelativePosition = function(evt){ - var mouseX, mouseY; - var e = evt.originalEvent || evt, - canvas = evt.currentTarget || evt.srcElement, - boundingRect = canvas.getBoundingClientRect(); - - if (e.touches){ - mouseX = e.touches[0].clientX - boundingRect.left; - mouseY = e.touches[0].clientY - boundingRect.top; - - } - else{ - mouseX = e.clientX - boundingRect.left; - mouseY = e.clientY - boundingRect.top; - } - - return { - x : mouseX, - y : mouseY - }; - - }, - addEvent = helpers.addEvent = function(node,eventType,method){ - if (node.addEventListener){ - node.addEventListener(eventType,method); - } else if (node.attachEvent){ - node.attachEvent("on"+eventType, method); - } else { - node["on"+eventType] = method; - } - }, - removeEvent = helpers.removeEvent = function(node, eventType, handler){ - if (node.removeEventListener){ - node.removeEventListener(eventType, handler, false); - } else if (node.detachEvent){ - node.detachEvent("on"+eventType,handler); - } else{ - node["on" + eventType] = noop; - } - }, - bindEvents = helpers.bindEvents = function(chartInstance, arrayOfEvents, handler){ - // Create the events object if it's not already present - if (!chartInstance.events) chartInstance.events = {}; - - each(arrayOfEvents,function(eventName){ - chartInstance.events[eventName] = function(){ - handler.apply(chartInstance, arguments); - }; - addEvent(chartInstance.chart.canvas,eventName,chartInstance.events[eventName]); - }); - }, - unbindEvents = helpers.unbindEvents = function (chartInstance, arrayOfEvents) { - each(arrayOfEvents, function(handler,eventName){ - removeEvent(chartInstance.chart.canvas, eventName, handler); - }); - }, - getMaximumWidth = helpers.getMaximumWidth = function(domNode){ - var container = domNode.parentNode, - padding = parseInt(getStyle(container, 'padding-left')) + parseInt(getStyle(container, 'padding-right')); - // TODO = check cross browser stuff with this. - return container ? container.clientWidth - padding : 0; - }, - getMaximumHeight = helpers.getMaximumHeight = function(domNode){ - var container = domNode.parentNode, - padding = parseInt(getStyle(container, 'padding-bottom')) + parseInt(getStyle(container, 'padding-top')); - // TODO = check cross browser stuff with this. - return container ? container.clientHeight - padding : 0; - }, - getStyle = helpers.getStyle = function (el, property) { - return el.currentStyle ? - el.currentStyle[property] : - document.defaultView.getComputedStyle(el, null).getPropertyValue(property); - }, - getMaximumSize = helpers.getMaximumSize = helpers.getMaximumWidth, // legacy support - retinaScale = helpers.retinaScale = function(chart){ - var ctx = chart.ctx, - width = chart.canvas.width, - height = chart.canvas.height; - - if (window.devicePixelRatio) { - ctx.canvas.style.width = width + "px"; - ctx.canvas.style.height = height + "px"; - ctx.canvas.height = height * window.devicePixelRatio; - ctx.canvas.width = width * window.devicePixelRatio; - ctx.scale(window.devicePixelRatio, window.devicePixelRatio); - } - }, - //-- Canvas methods - clear = helpers.clear = function(chart){ - chart.ctx.clearRect(0,0,chart.width,chart.height); - }, - fontString = helpers.fontString = function(pixelSize,fontStyle,fontFamily){ - return fontStyle + " " + pixelSize+"px " + fontFamily; - }, - longestText = helpers.longestText = function(ctx,font,arrayOfStrings){ - ctx.font = font; - var longest = 0; - each(arrayOfStrings,function(string){ - var textWidth = ctx.measureText(string).width; - longest = (textWidth > longest) ? textWidth : longest; - }); - return longest; - }, - drawRoundedRectangle = helpers.drawRoundedRectangle = function(ctx,x,y,width,height,radius){ - ctx.beginPath(); - ctx.moveTo(x + radius, y); - ctx.lineTo(x + width - radius, y); - ctx.quadraticCurveTo(x + width, y, x + width, y + radius); - ctx.lineTo(x + width, y + height - radius); - ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height); - ctx.lineTo(x + radius, y + height); - ctx.quadraticCurveTo(x, y + height, x, y + height - radius); - ctx.lineTo(x, y + radius); - ctx.quadraticCurveTo(x, y, x + radius, y); - ctx.closePath(); - }; - - - //Store a reference to each instance - allowing us to globally resize chart instances on window resize. - //Destroy method on the chart will remove the instance of the chart from this reference. - Chart.instances = {}; - - Chart.Type = function(data,options,chart){ - this.options = options; - this.chart = chart; - this.id = uid(); - //Add the chart instance to the global namespace - Chart.instances[this.id] = this; - - // Initialize is always called when a chart type is created - // By default it is a no op, but it should be extended - if (options.responsive){ - this.resize(); - } - this.initialize.call(this,data); - }; - - //Core methods that'll be a part of every chart type - extend(Chart.Type.prototype,{ - initialize : function(){return this;}, - clear : function(){ - clear(this.chart); - return this; - }, - stop : function(){ - // Stops any current animation loop occuring - Chart.animationService.cancelAnimation(this); - return this; - }, - resize : function(callback){ - this.stop(); - var canvas = this.chart.canvas, - newWidth = getMaximumWidth(this.chart.canvas), - newHeight = this.options.maintainAspectRatio ? newWidth / this.chart.aspectRatio : getMaximumHeight(this.chart.canvas); - - canvas.width = this.chart.width = newWidth; - canvas.height = this.chart.height = newHeight; - - retinaScale(this.chart); - - if (typeof callback === "function"){ - callback.apply(this, Array.prototype.slice.call(arguments, 1)); - } - return this; - }, - reflow : noop, - render : function(reflow){ - if (reflow){ - this.reflow(); - } - - if (this.options.animation && !reflow){ - var animation = new Chart.Animation(); - animation.numSteps = this.options.animationSteps; - animation.easing = this.options.animationEasing; - - // render function - animation.render = function(chartInstance, animationObject) { - var easingFunction = helpers.easingEffects[animationObject.easing]; - var stepDecimal = animationObject.currentStep / animationObject.numSteps; - var easeDecimal = easingFunction(stepDecimal); - - chartInstance.draw(easeDecimal, stepDecimal, animationObject.currentStep); - }; - - // user events - animation.onAnimationProgress = this.options.onAnimationProgress; - animation.onAnimationComplete = this.options.onAnimationComplete; - - Chart.animationService.addAnimation(this, animation); - } - else{ - this.draw(); - this.options.onAnimationComplete.call(this); - } - return this; - }, - generateLegend : function(){ - return helpers.template(this.options.legendTemplate, this); - }, - destroy : function(){ - this.stop(); - this.clear(); - unbindEvents(this, this.events); - var canvas = this.chart.canvas; - - // Reset canvas height/width attributes starts a fresh with the canvas context - canvas.width = this.chart.width; - canvas.height = this.chart.height; - - // < IE9 doesn't support removeProperty - if (canvas.style.removeProperty) { - canvas.style.removeProperty('width'); - canvas.style.removeProperty('height'); - } else { - canvas.style.removeAttribute('width'); - canvas.style.removeAttribute('height'); - } - - delete Chart.instances[this.id]; - }, - showTooltip : function(ChartElements, forceRedraw){ - // Only redraw the chart if we've actually changed what we're hovering on. - if (typeof this.activeElements === 'undefined') this.activeElements = []; - - var isChanged = (function(Elements){ - var changed = false; - - if (Elements.length !== this.activeElements.length){ - changed = true; - return changed; - } - - each(Elements, function(element, index){ - if (element !== this.activeElements[index]){ - changed = true; - } - }, this); - return changed; - }).call(this, ChartElements); - - if (!isChanged && !forceRedraw){ - return; - } - else{ - this.activeElements = ChartElements; - } - this.draw(); - if(this.options.customTooltips){ - this.options.customTooltips(false); - } - if (ChartElements.length > 0){ - // If we have multiple datasets, show a MultiTooltip for all of the data points at that index - if (this.datasets && this.datasets.length > 1) { - var dataArray, - dataIndex; - - for (var i = this.datasets.length - 1; i >= 0; i--) { - dataArray = this.datasets[i].points || this.datasets[i].bars || this.datasets[i].segments; - dataIndex = indexOf(dataArray, ChartElements[0]); - if (dataIndex !== -1){ - break; - } - } - var tooltipLabels = [], - tooltipColors = [], - medianPosition = (function(index) { - - // Get all the points at that particular index - var Elements = [], - dataCollection, - xPositions = [], - yPositions = [], - xMax, - yMax, - xMin, - yMin; - helpers.each(this.datasets, function(dataset){ - dataCollection = dataset.points || dataset.bars || dataset.segments; - if (dataCollection[dataIndex] && dataCollection[dataIndex].hasValue()){ - Elements.push(dataCollection[dataIndex]); - } - }); - - helpers.each(Elements, function(element) { - xPositions.push(element.x); - yPositions.push(element.y); - - - //Include any colour information about the element - tooltipLabels.push(helpers.template(this.options.multiTooltipTemplate, element)); - tooltipColors.push({ - fill: element._saved.fillColor || element.fillColor, - stroke: element._saved.strokeColor || element.strokeColor - }); - - }, this); - - yMin = min(yPositions); - yMax = max(yPositions); - - xMin = min(xPositions); - xMax = max(xPositions); - - return { - x: (xMin > this.chart.width/2) ? xMin : xMax, - y: (yMin + yMax)/2 - }; - }).call(this, dataIndex); - - new Chart.MultiTooltip({ - x: medianPosition.x, - y: medianPosition.y, - xPadding: this.options.tooltipXPadding, - yPadding: this.options.tooltipYPadding, - xOffset: this.options.tooltipXOffset, - fillColor: this.options.tooltipFillColor, - textColor: this.options.tooltipFontColor, - fontFamily: this.options.tooltipFontFamily, - fontStyle: this.options.tooltipFontStyle, - fontSize: this.options.tooltipFontSize, - titleTextColor: this.options.tooltipTitleFontColor, - titleFontFamily: this.options.tooltipTitleFontFamily, - titleFontStyle: this.options.tooltipTitleFontStyle, - titleFontSize: this.options.tooltipTitleFontSize, - cornerRadius: this.options.tooltipCornerRadius, - labels: tooltipLabels, - legendColors: tooltipColors, - legendColorBackground : this.options.multiTooltipKeyBackground, - title: template(this.options.tooltipTitleTemplate,ChartElements[0]), - chart: this.chart, - ctx: this.chart.ctx, - custom: this.options.customTooltips - }).draw(); - - } else { - each(ChartElements, function(Element) { - var tooltipPosition = Element.tooltipPosition(); - new Chart.Tooltip({ - x: Math.round(tooltipPosition.x), - y: Math.round(tooltipPosition.y), - xPadding: this.options.tooltipXPadding, - yPadding: this.options.tooltipYPadding, - fillColor: this.options.tooltipFillColor, - textColor: this.options.tooltipFontColor, - fontFamily: this.options.tooltipFontFamily, - fontStyle: this.options.tooltipFontStyle, - fontSize: this.options.tooltipFontSize, - caretHeight: this.options.tooltipCaretSize, - cornerRadius: this.options.tooltipCornerRadius, - text: template(this.options.tooltipTemplate, Element), - chart: this.chart, - custom: this.options.customTooltips - }).draw(); - }, this); - } - } - return this; - }, - toBase64Image : function(){ - return this.chart.canvas.toDataURL.apply(this.chart.canvas, arguments); - } - }); - - Chart.Type.extend = function(extensions){ - - var parent = this; - - var ChartType = function(){ - return parent.apply(this,arguments); - }; - - //Copy the prototype object of the this class - ChartType.prototype = clone(parent.prototype); - //Now overwrite some of the properties in the base class with the new extensions - extend(ChartType.prototype, extensions); - - ChartType.extend = Chart.Type.extend; - - if (extensions.name || parent.prototype.name){ - - var chartName = extensions.name || parent.prototype.name; - //Assign any potential default values of the new chart type - - //If none are defined, we'll use a clone of the chart type this is being extended from. - //I.e. if we extend a line chart, we'll use the defaults from the line chart if our new chart - //doesn't define some defaults of their own. - - var baseDefaults = (Chart.defaults[parent.prototype.name]) ? clone(Chart.defaults[parent.prototype.name]) : {}; - - Chart.defaults[chartName] = extend(baseDefaults,extensions.defaults); - - Chart.types[chartName] = ChartType; - - //Register this new chart type in the Chart prototype - Chart.prototype[chartName] = function(data,options){ - var config = merge(Chart.defaults.global, Chart.defaults[chartName], options || {}); - return new ChartType(data,config,this); - }; - } else{ - warn("Name not provided for this chart, so it hasn't been registered"); - } - return parent; - }; - - Chart.Element = function(configuration){ - extend(this,configuration); - this.initialize.apply(this,arguments); - this.save(); - }; - extend(Chart.Element.prototype,{ - initialize : function(){}, - restore : function(props){ - if (!props){ - extend(this,this._saved); - } else { - each(props,function(key){ - this[key] = this._saved[key]; - },this); - } - return this; - }, - save : function(){ - this._saved = clone(this); - delete this._saved._saved; - return this; - }, - update : function(newProps){ - each(newProps,function(value,key){ - this._saved[key] = this[key]; - this[key] = value; - },this); - return this; - }, - transition : function(props,ease){ - each(props,function(value,key){ - this[key] = ((value - this._saved[key]) * ease) + this._saved[key]; - },this); - return this; - }, - tooltipPosition : function(){ - return { - x : this.x, - y : this.y - }; - }, - hasValue: function(){ - return isNumber(this.value); - } - }); - - Chart.Element.extend = inherits; - - - Chart.Point = Chart.Element.extend({ - display: true, - inRange: function(chartX,chartY){ - var hitDetectionRange = this.hitDetectionRadius + this.radius; - return ((Math.pow(chartX-this.x, 2)+Math.pow(chartY-this.y, 2)) < Math.pow(hitDetectionRange,2)); - }, - draw : function(){ - if (this.display){ - var ctx = this.ctx; - ctx.beginPath(); - - ctx.arc(this.x, this.y, this.radius, 0, Math.PI*2); - ctx.closePath(); - - ctx.strokeStyle = this.strokeColor; - ctx.lineWidth = this.strokeWidth; - - ctx.fillStyle = this.fillColor; - - ctx.fill(); - ctx.stroke(); - } - - - //Quick debug for bezier curve splining - //Highlights control points and the line between them. - //Handy for dev - stripped in the min version. - - // ctx.save(); - // ctx.fillStyle = "black"; - // ctx.strokeStyle = "black" - // ctx.beginPath(); - // ctx.arc(this.controlPoints.inner.x,this.controlPoints.inner.y, 2, 0, Math.PI*2); - // ctx.fill(); - - // ctx.beginPath(); - // ctx.arc(this.controlPoints.outer.x,this.controlPoints.outer.y, 2, 0, Math.PI*2); - // ctx.fill(); - - // ctx.moveTo(this.controlPoints.inner.x,this.controlPoints.inner.y); - // ctx.lineTo(this.x, this.y); - // ctx.lineTo(this.controlPoints.outer.x,this.controlPoints.outer.y); - // ctx.stroke(); - - // ctx.restore(); - - - - } - }); - - Chart.Arc = Chart.Element.extend({ - inRange : function(chartX,chartY){ - - var pointRelativePosition = helpers.getAngleFromPoint(this, { - x: chartX, - y: chartY - }); - - // Normalize all angles to 0 - 2*PI (0 - 360°) - var pointRelativeAngle = pointRelativePosition.angle % (Math.PI * 2), - startAngle = (Math.PI * 2 + this.startAngle) % (Math.PI * 2), - endAngle = (Math.PI * 2 + this.endAngle) % (Math.PI * 2) || 360; - - // Calculate wether the pointRelativeAngle is between the start and the end angle - var betweenAngles = (endAngle < startAngle) ? - pointRelativeAngle <= endAngle || pointRelativeAngle >= startAngle: - pointRelativeAngle >= startAngle && pointRelativeAngle <= endAngle; - - //Check if within the range of the open/close angle - var withinRadius = (pointRelativePosition.distance >= this.innerRadius && pointRelativePosition.distance <= this.outerRadius); - - return (betweenAngles && withinRadius); - //Ensure within the outside of the arc centre, but inside arc outer - }, - tooltipPosition : function(){ - var centreAngle = this.startAngle + ((this.endAngle - this.startAngle) / 2), - rangeFromCentre = (this.outerRadius - this.innerRadius) / 2 + this.innerRadius; - return { - x : this.x + (Math.cos(centreAngle) * rangeFromCentre), - y : this.y + (Math.sin(centreAngle) * rangeFromCentre) - }; - }, - draw : function(animationPercent){ - - var easingDecimal = animationPercent || 1; - - var ctx = this.ctx; - - ctx.beginPath(); - - ctx.arc(this.x, this.y, this.outerRadius < 0 ? 0 : this.outerRadius, this.startAngle, this.endAngle); - - ctx.arc(this.x, this.y, this.innerRadius < 0 ? 0 : this.innerRadius, this.endAngle, this.startAngle, true); - - ctx.closePath(); - ctx.strokeStyle = this.strokeColor; - ctx.lineWidth = this.strokeWidth; - - ctx.fillStyle = this.fillColor; - - ctx.fill(); - ctx.lineJoin = 'bevel'; - - if (this.showStroke){ - ctx.stroke(); - } - } - }); - - Chart.Rectangle = Chart.Element.extend({ - draw : function(){ - var ctx = this.ctx, - halfWidth = this.width/2, - leftX = this.x - halfWidth, - rightX = this.x + halfWidth, - top = this.base - (this.base - this.y), - halfStroke = this.strokeWidth / 2; - - // Canvas doesn't allow us to stroke inside the width so we can - // adjust the sizes to fit if we're setting a stroke on the line - if (this.showStroke){ - leftX += halfStroke; - rightX -= halfStroke; - top += halfStroke; - } - - ctx.beginPath(); - - ctx.fillStyle = this.fillColor; - ctx.strokeStyle = this.strokeColor; - ctx.lineWidth = this.strokeWidth; - - // It'd be nice to keep this class totally generic to any rectangle - // and simply specify which border to miss out. - ctx.moveTo(leftX, this.base); - ctx.lineTo(leftX, top); - ctx.lineTo(rightX, top); - ctx.lineTo(rightX, this.base); - ctx.fill(); - if (this.showStroke){ - ctx.stroke(); - } - }, - height : function(){ - return this.base - this.y; - }, - inRange : function(chartX,chartY){ - return (chartX >= this.x - this.width/2 && chartX <= this.x + this.width/2) && (chartY >= this.y && chartY <= this.base); - } - }); - - Chart.Animation = Chart.Element.extend({ - currentStep: null, // the current animation step - numSteps: 60, // default number of steps - easing: "", // the easing to use for this animation - render: null, // render function used by the animation service - - onAnimationProgress: null, // user specified callback to fire on each step of the animation - onAnimationComplete: null, // user specified callback to fire when the animation finishes - }); - - Chart.Tooltip = Chart.Element.extend({ - draw : function(){ - - var ctx = this.chart.ctx; - - ctx.font = fontString(this.fontSize,this.fontStyle,this.fontFamily); - - this.xAlign = "center"; - this.yAlign = "above"; - - //Distance between the actual element.y position and the start of the tooltip caret - var caretPadding = this.caretPadding = 2; - - var tooltipWidth = ctx.measureText(this.text).width + 2*this.xPadding, - tooltipRectHeight = this.fontSize + 2*this.yPadding, - tooltipHeight = tooltipRectHeight + this.caretHeight + caretPadding; - - if (this.x + tooltipWidth/2 >this.chart.width){ - this.xAlign = "left"; - } else if (this.x - tooltipWidth/2 < 0){ - this.xAlign = "right"; - } - - if (this.y - tooltipHeight < 0){ - this.yAlign = "below"; - } - - - var tooltipX = this.x - tooltipWidth/2, - tooltipY = this.y - tooltipHeight; - - ctx.fillStyle = this.fillColor; - - // Custom Tooltips - if(this.custom){ - this.custom(this); - } - else{ - switch(this.yAlign) - { - case "above": - //Draw a caret above the x/y - ctx.beginPath(); - ctx.moveTo(this.x,this.y - caretPadding); - ctx.lineTo(this.x + this.caretHeight, this.y - (caretPadding + this.caretHeight)); - ctx.lineTo(this.x - this.caretHeight, this.y - (caretPadding + this.caretHeight)); - ctx.closePath(); - ctx.fill(); - break; - case "below": - tooltipY = this.y + caretPadding + this.caretHeight; - //Draw a caret below the x/y - ctx.beginPath(); - ctx.moveTo(this.x, this.y + caretPadding); - ctx.lineTo(this.x + this.caretHeight, this.y + caretPadding + this.caretHeight); - ctx.lineTo(this.x - this.caretHeight, this.y + caretPadding + this.caretHeight); - ctx.closePath(); - ctx.fill(); - break; - } - - switch(this.xAlign) - { - case "left": - tooltipX = this.x - tooltipWidth + (this.cornerRadius + this.caretHeight); - break; - case "right": - tooltipX = this.x - (this.cornerRadius + this.caretHeight); - break; - } - - drawRoundedRectangle(ctx,tooltipX,tooltipY,tooltipWidth,tooltipRectHeight,this.cornerRadius); - - ctx.fill(); - - ctx.fillStyle = this.textColor; - ctx.textAlign = "center"; - ctx.textBaseline = "middle"; - ctx.fillText(this.text, tooltipX + tooltipWidth/2, tooltipY + tooltipRectHeight/2); - } - } - }); - - Chart.MultiTooltip = Chart.Element.extend({ - initialize : function(){ - this.font = fontString(this.fontSize,this.fontStyle,this.fontFamily); - - this.titleFont = fontString(this.titleFontSize,this.titleFontStyle,this.titleFontFamily); - - this.titleHeight = this.title ? this.titleFontSize * 1.5 : 0; - this.height = (this.labels.length * this.fontSize) + ((this.labels.length-1) * (this.fontSize/2)) + (this.yPadding*2) + this.titleHeight; - - this.ctx.font = this.titleFont; - - var titleWidth = this.ctx.measureText(this.title).width, - //Label has a legend square as well so account for this. - labelWidth = longestText(this.ctx,this.font,this.labels) + this.fontSize + 3, - longestTextWidth = max([labelWidth,titleWidth]); - - this.width = longestTextWidth + (this.xPadding*2); - - - var halfHeight = this.height/2; - - //Check to ensure the height will fit on the canvas - if (this.y - halfHeight < 0 ){ - this.y = halfHeight; - } else if (this.y + halfHeight > this.chart.height){ - this.y = this.chart.height - halfHeight; - } - - //Decide whether to align left or right based on position on canvas - if (this.x > this.chart.width/2){ - this.x -= this.xOffset + this.width; - } else { - this.x += this.xOffset; - } - - - }, - getLineHeight : function(index){ - var baseLineHeight = this.y - (this.height/2) + this.yPadding, - afterTitleIndex = index-1; - - //If the index is zero, we're getting the title - if (index === 0){ - return baseLineHeight + this.titleHeight / 3; - } else{ - return baseLineHeight + ((this.fontSize * 1.5 * afterTitleIndex) + this.fontSize / 2) + this.titleHeight; - } - - }, - draw : function(){ - // Custom Tooltips - if(this.custom){ - this.custom(this); - } - else{ - drawRoundedRectangle(this.ctx,this.x,this.y - this.height/2,this.width,this.height,this.cornerRadius); - var ctx = this.ctx; - ctx.fillStyle = this.fillColor; - ctx.fill(); - ctx.closePath(); - - ctx.textAlign = "left"; - ctx.textBaseline = "middle"; - ctx.fillStyle = this.titleTextColor; - ctx.font = this.titleFont; - - ctx.fillText(this.title,this.x + this.xPadding, this.getLineHeight(0)); - - ctx.font = this.font; - helpers.each(this.labels,function(label,index){ - ctx.fillStyle = this.textColor; - ctx.fillText(label,this.x + this.xPadding + this.fontSize + 3, this.getLineHeight(index + 1)); - - //A bit gnarly, but clearing this rectangle breaks when using explorercanvas (clears whole canvas) - //ctx.clearRect(this.x + this.xPadding, this.getLineHeight(index + 1) - this.fontSize/2, this.fontSize, this.fontSize); - //Instead we'll make a white filled block to put the legendColour palette over. - - ctx.fillStyle = this.legendColorBackground; - ctx.fillRect(this.x + this.xPadding, this.getLineHeight(index + 1) - this.fontSize/2, this.fontSize, this.fontSize); - - ctx.fillStyle = this.legendColors[index].fill; - ctx.fillRect(this.x + this.xPadding, this.getLineHeight(index + 1) - this.fontSize/2, this.fontSize, this.fontSize); - - - },this); - } - } - }); - - Chart.Scale = Chart.Element.extend({ - initialize : function(){ - this.fit(); - }, - buildYLabels : function(){ - this.yLabels = []; - - var stepDecimalPlaces = getDecimalPlaces(this.stepValue); - - for (var i=0; i<=this.steps; i++){ - this.yLabels.push(template(this.templateString,{value:(this.min + (i * this.stepValue)).toFixed(stepDecimalPlaces)})); - } - this.yLabelWidth = (this.display && this.showLabels) ? longestText(this.ctx,this.font,this.yLabels) + 10 : 0; - }, - addXLabel : function(label){ - this.xLabels.push(label); - this.valuesCount++; - this.fit(); - }, - removeXLabel : function(){ - this.xLabels.shift(); - this.valuesCount--; - this.fit(); - }, - // Fitting loop to rotate x Labels and figure out what fits there, and also calculate how many Y steps to use - fit: function(){ - // First we need the width of the yLabels, assuming the xLabels aren't rotated - - // To do that we need the base line at the top and base of the chart, assuming there is no x label rotation - this.startPoint = (this.display) ? this.fontSize : 0; - this.endPoint = (this.display) ? this.height - (this.fontSize * 1.5) - 5 : this.height; // -5 to pad labels - - // Apply padding settings to the start and end point. - this.startPoint += this.padding; - this.endPoint -= this.padding; - - // Cache the starting endpoint, excluding the space for x labels - var cachedEndPoint = this.endPoint; - - // Cache the starting height, so can determine if we need to recalculate the scale yAxis - var cachedHeight = this.endPoint - this.startPoint, - cachedYLabelWidth; - - // Build the current yLabels so we have an idea of what size they'll be to start - /* - * This sets what is returned from calculateScaleRange as static properties of this class: - * - this.steps; - this.stepValue; - this.min; - this.max; - * - */ - this.calculateYRange(cachedHeight); - - // With these properties set we can now build the array of yLabels - // and also the width of the largest yLabel - this.buildYLabels(); - - this.calculateXLabelRotation(); - - while((cachedHeight > this.endPoint - this.startPoint)){ - cachedHeight = this.endPoint - this.startPoint; - cachedYLabelWidth = this.yLabelWidth; - - this.calculateYRange(cachedHeight); - this.buildYLabels(); - - // Only go through the xLabel loop again if the yLabel width has changed - if (cachedYLabelWidth < this.yLabelWidth){ - this.endPoint = cachedEndPoint; - this.calculateXLabelRotation(); - } - } - - }, - calculateXLabelRotation : function(){ - //Get the width of each grid by calculating the difference - //between x offsets between 0 and 1. - - this.ctx.font = this.font; - - var firstWidth = this.ctx.measureText(this.xLabels[0]).width, - lastWidth = this.ctx.measureText(this.xLabels[this.xLabels.length - 1]).width, - firstRotated, - lastRotated; - - - this.xScalePaddingRight = lastWidth/2 + 3; - this.xScalePaddingLeft = (firstWidth/2 > this.yLabelWidth) ? firstWidth/2 : this.yLabelWidth; - - this.xLabelRotation = 0; - if (this.display){ - var originalLabelWidth = longestText(this.ctx,this.font,this.xLabels), - cosRotation, - firstRotatedWidth; - this.xLabelWidth = originalLabelWidth; - //Allow 3 pixels x2 padding either side for label readability - var xGridWidth = Math.floor(this.calculateX(1) - this.calculateX(0)) - 6; - - //Max label rotate should be 90 - also act as a loop counter - while ((this.xLabelWidth > xGridWidth && this.xLabelRotation === 0) || (this.xLabelWidth > xGridWidth && this.xLabelRotation <= 90 && this.xLabelRotation > 0)){ - cosRotation = Math.cos(toRadians(this.xLabelRotation)); - - firstRotated = cosRotation * firstWidth; - lastRotated = cosRotation * lastWidth; - - // We're right aligning the text now. - if (firstRotated + this.fontSize / 2 > this.yLabelWidth){ - this.xScalePaddingLeft = firstRotated + this.fontSize / 2; - } - this.xScalePaddingRight = this.fontSize/2; - - - this.xLabelRotation++; - this.xLabelWidth = cosRotation * originalLabelWidth; - - } - if (this.xLabelRotation > 0){ - this.endPoint -= Math.sin(toRadians(this.xLabelRotation))*originalLabelWidth + 3; - } - } - else{ - this.xLabelWidth = 0; - this.xScalePaddingRight = this.padding; - this.xScalePaddingLeft = this.padding; - } - - }, - // Needs to be overidden in each Chart type - // Otherwise we need to pass all the data into the scale class - calculateYRange: noop, - drawingArea: function(){ - return this.startPoint - this.endPoint; - }, - calculateY : function(value){ - var scalingFactor = this.drawingArea() / (this.min - this.max); - return this.endPoint - (scalingFactor * (value - this.min)); - }, - calculateX : function(index){ - var isRotated = (this.xLabelRotation > 0), - // innerWidth = (this.offsetGridLines) ? this.width - offsetLeft - this.padding : this.width - (offsetLeft + halfLabelWidth * 2) - this.padding, - innerWidth = this.width - (this.xScalePaddingLeft + this.xScalePaddingRight), - valueWidth = innerWidth/Math.max((this.valuesCount - ((this.offsetGridLines) ? 0 : 1)), 1), - valueOffset = (valueWidth * index) + this.xScalePaddingLeft; - - if (this.offsetGridLines){ - valueOffset += (valueWidth/2); - } - - return Math.round(valueOffset); - }, - update : function(newProps){ - helpers.extend(this, newProps); - this.fit(); - }, - draw : function(){ - var ctx = this.ctx, - yLabelGap = (this.endPoint - this.startPoint) / this.steps, - xStart = Math.round(this.xScalePaddingLeft); - if (this.display){ - ctx.fillStyle = this.textColor; - ctx.font = this.font; - each(this.yLabels,function(labelString,index){ - var yLabelCenter = this.endPoint - (yLabelGap * index), - linePositionY = Math.round(yLabelCenter), - drawHorizontalLine = this.showHorizontalLines; - - ctx.textAlign = "right"; - ctx.textBaseline = "middle"; - if (this.showLabels){ - ctx.fillText(labelString,xStart - 10,yLabelCenter); - } - - // This is X axis, so draw it - if (index === 0 && !drawHorizontalLine){ - drawHorizontalLine = true; - } - - if (drawHorizontalLine){ - ctx.beginPath(); - } - - if (index > 0){ - // This is a grid line in the centre, so drop that - ctx.lineWidth = this.gridLineWidth; - ctx.strokeStyle = this.gridLineColor; - } else { - // This is the first line on the scale - ctx.lineWidth = this.lineWidth; - ctx.strokeStyle = this.lineColor; - } - - linePositionY += helpers.aliasPixel(ctx.lineWidth); - - if(drawHorizontalLine){ - ctx.moveTo(xStart, linePositionY); - ctx.lineTo(this.width, linePositionY); - ctx.stroke(); - ctx.closePath(); - } - - ctx.lineWidth = this.lineWidth; - ctx.strokeStyle = this.lineColor; - ctx.beginPath(); - ctx.moveTo(xStart - 5, linePositionY); - ctx.lineTo(xStart, linePositionY); - ctx.stroke(); - ctx.closePath(); - - },this); - - each(this.xLabels,function(label,index){ - var xPos = this.calculateX(index) + aliasPixel(this.lineWidth), - // Check to see if line/bar here and decide where to place the line - linePos = this.calculateX(index - (this.offsetGridLines ? 0.5 : 0)) + aliasPixel(this.lineWidth), - isRotated = (this.xLabelRotation > 0), - drawVerticalLine = this.showVerticalLines; - - // This is Y axis, so draw it - if (index === 0 && !drawVerticalLine){ - drawVerticalLine = true; - } - - if (drawVerticalLine){ - ctx.beginPath(); - } - - if (index > 0){ - // This is a grid line in the centre, so drop that - ctx.lineWidth = this.gridLineWidth; - ctx.strokeStyle = this.gridLineColor; - } else { - // This is the first line on the scale - ctx.lineWidth = this.lineWidth; - ctx.strokeStyle = this.lineColor; - } - - if (drawVerticalLine){ - ctx.moveTo(linePos,this.endPoint); - ctx.lineTo(linePos,this.startPoint - 3); - ctx.stroke(); - ctx.closePath(); - } - - - ctx.lineWidth = this.lineWidth; - ctx.strokeStyle = this.lineColor; - - - // Small lines at the bottom of the base grid line - ctx.beginPath(); - ctx.moveTo(linePos,this.endPoint); - ctx.lineTo(linePos,this.endPoint + 5); - ctx.stroke(); - ctx.closePath(); - - ctx.save(); - ctx.translate(xPos,(isRotated) ? this.endPoint + 12 : this.endPoint + 8); - ctx.rotate(toRadians(this.xLabelRotation)*-1); - ctx.font = this.font; - ctx.textAlign = (isRotated) ? "right" : "center"; - ctx.textBaseline = (isRotated) ? "middle" : "top"; - ctx.fillText(label, 0, 0); - ctx.restore(); - },this); - - } - } - - }); - - Chart.RadialScale = Chart.Element.extend({ - initialize: function(){ - this.size = min([this.height, this.width]); - this.drawingArea = (this.display) ? (this.size/2) - (this.fontSize/2 + this.backdropPaddingY) : (this.size/2); - }, - calculateCenterOffset: function(value){ - // Take into account half font size + the yPadding of the top value - var scalingFactor = this.drawingArea / (this.max - this.min); - - return (value - this.min) * scalingFactor; - }, - update : function(){ - if (!this.lineArc){ - this.setScaleSize(); - } else { - this.drawingArea = (this.display) ? (this.size/2) - (this.fontSize/2 + this.backdropPaddingY) : (this.size/2); - } - this.buildYLabels(); - }, - buildYLabels: function(){ - this.yLabels = []; - - var stepDecimalPlaces = getDecimalPlaces(this.stepValue); - - for (var i=0; i<=this.steps; i++){ - this.yLabels.push(template(this.templateString,{value:(this.min + (i * this.stepValue)).toFixed(stepDecimalPlaces)})); - } - }, - getCircumference : function(){ - return ((Math.PI*2) / this.valuesCount); - }, - setScaleSize: function(){ - /* - * Right, this is really confusing and there is a lot of maths going on here - * The gist of the problem is here: https://gist.github.com/nnnick/696cc9c55f4b0beb8fe9 - * - * Reaction: https://dl.dropboxusercontent.com/u/34601363/toomuchscience.gif - * - * Solution: - * - * We assume the radius of the polygon is half the size of the canvas at first - * at each index we check if the text overlaps. - * - * Where it does, we store that angle and that index. - * - * After finding the largest index and angle we calculate how much we need to remove - * from the shape radius to move the point inwards by that x. - * - * We average the left and right distances to get the maximum shape radius that can fit in the box - * along with labels. - * - * Once we have that, we can find the centre point for the chart, by taking the x text protrusion - * on each side, removing that from the size, halving it and adding the left x protrusion width. - * - * This will mean we have a shape fitted to the canvas, as large as it can be with the labels - * and position it in the most space efficient manner - * - * https://dl.dropboxusercontent.com/u/34601363/yeahscience.gif - */ - - - // Get maximum radius of the polygon. Either half the height (minus the text width) or half the width. - // Use this to calculate the offset + change. - Make sure L/R protrusion is at least 0 to stop issues with centre points - var largestPossibleRadius = min([(this.height/2 - this.pointLabelFontSize - 5), this.width/2]), - pointPosition, - i, - textWidth, - halfTextWidth, - furthestRight = this.width, - furthestRightIndex, - furthestRightAngle, - furthestLeft = 0, - furthestLeftIndex, - furthestLeftAngle, - xProtrusionLeft, - xProtrusionRight, - radiusReductionRight, - radiusReductionLeft, - maxWidthRadius; - this.ctx.font = fontString(this.pointLabelFontSize,this.pointLabelFontStyle,this.pointLabelFontFamily); - for (i=0;i furthestRight) { - furthestRight = pointPosition.x + halfTextWidth; - furthestRightIndex = i; - } - if (pointPosition.x - halfTextWidth < furthestLeft) { - furthestLeft = pointPosition.x - halfTextWidth; - furthestLeftIndex = i; - } - } - else if (i < this.valuesCount/2) { - // Less than half the values means we'll left align the text - if (pointPosition.x + textWidth > furthestRight) { - furthestRight = pointPosition.x + textWidth; - furthestRightIndex = i; - } - } - else if (i > this.valuesCount/2){ - // More than half the values means we'll right align the text - if (pointPosition.x - textWidth < furthestLeft) { - furthestLeft = pointPosition.x - textWidth; - furthestLeftIndex = i; - } - } - } - - xProtrusionLeft = furthestLeft; - - xProtrusionRight = Math.ceil(furthestRight - this.width); - - furthestRightAngle = this.getIndexAngle(furthestRightIndex); - - furthestLeftAngle = this.getIndexAngle(furthestLeftIndex); - - radiusReductionRight = xProtrusionRight / Math.sin(furthestRightAngle + Math.PI/2); - - radiusReductionLeft = xProtrusionLeft / Math.sin(furthestLeftAngle + Math.PI/2); - - // Ensure we actually need to reduce the size of the chart - radiusReductionRight = (isNumber(radiusReductionRight)) ? radiusReductionRight : 0; - radiusReductionLeft = (isNumber(radiusReductionLeft)) ? radiusReductionLeft : 0; - - this.drawingArea = largestPossibleRadius - (radiusReductionLeft + radiusReductionRight)/2; - - //this.drawingArea = min([maxWidthRadius, (this.height - (2 * (this.pointLabelFontSize + 5)))/2]) - this.setCenterPoint(radiusReductionLeft, radiusReductionRight); - - }, - setCenterPoint: function(leftMovement, rightMovement){ - - var maxRight = this.width - rightMovement - this.drawingArea, - maxLeft = leftMovement + this.drawingArea; - - this.xCenter = (maxLeft + maxRight)/2; - // Always vertically in the centre as the text height doesn't change - this.yCenter = (this.height/2); - }, - - getIndexAngle : function(index){ - var angleMultiplier = (Math.PI * 2) / this.valuesCount; - // Start from the top instead of right, so remove a quarter of the circle - - return index * angleMultiplier - (Math.PI/2); - }, - getPointPosition : function(index, distanceFromCenter){ - var thisAngle = this.getIndexAngle(index); - return { - x : (Math.cos(thisAngle) * distanceFromCenter) + this.xCenter, - y : (Math.sin(thisAngle) * distanceFromCenter) + this.yCenter - }; - }, - draw: function(){ - if (this.display){ - var ctx = this.ctx; - each(this.yLabels, function(label, index){ - // Don't draw a centre value - if (index > 0){ - var yCenterOffset = index * (this.drawingArea/this.steps), - yHeight = this.yCenter - yCenterOffset, - pointPosition; - - // Draw circular lines around the scale - if (this.lineWidth > 0){ - ctx.strokeStyle = this.lineColor; - ctx.lineWidth = this.lineWidth; - - if(this.lineArc){ - ctx.beginPath(); - ctx.arc(this.xCenter, this.yCenter, yCenterOffset, 0, Math.PI*2); - ctx.closePath(); - ctx.stroke(); - } else{ - ctx.beginPath(); - for (var i=0;i= 0; i--) { - var centerOffset = null, outerPosition = null; - - if (this.angleLineWidth > 0 && (i % this.angleLineInterval === 0)){ - centerOffset = this.calculateCenterOffset(this.max); - outerPosition = this.getPointPosition(i, centerOffset); - ctx.beginPath(); - ctx.moveTo(this.xCenter, this.yCenter); - ctx.lineTo(outerPosition.x, outerPosition.y); - ctx.stroke(); - ctx.closePath(); - } - - if (this.backgroundColors && this.backgroundColors.length == this.valuesCount) { - if (centerOffset == null) - centerOffset = this.calculateCenterOffset(this.max); - - if (outerPosition == null) - outerPosition = this.getPointPosition(i, centerOffset); - - var previousOuterPosition = this.getPointPosition(i === 0 ? this.valuesCount - 1 : i - 1, centerOffset); - var nextOuterPosition = this.getPointPosition(i === this.valuesCount - 1 ? 0 : i + 1, centerOffset); - - var previousOuterHalfway = { x: (previousOuterPosition.x + outerPosition.x) / 2, y: (previousOuterPosition.y + outerPosition.y) / 2 }; - var nextOuterHalfway = { x: (outerPosition.x + nextOuterPosition.x) / 2, y: (outerPosition.y + nextOuterPosition.y) / 2 }; - - ctx.beginPath(); - ctx.moveTo(this.xCenter, this.yCenter); - ctx.lineTo(previousOuterHalfway.x, previousOuterHalfway.y); - ctx.lineTo(outerPosition.x, outerPosition.y); - ctx.lineTo(nextOuterHalfway.x, nextOuterHalfway.y); - ctx.fillStyle = this.backgroundColors[i]; - ctx.fill(); - ctx.closePath(); - } - // Extra 3px out for some label spacing - var pointLabelPosition = this.getPointPosition(i, this.calculateCenterOffset(this.max) + 5); - ctx.font = fontString(this.pointLabelFontSize,this.pointLabelFontStyle,this.pointLabelFontFamily); - ctx.fillStyle = this.pointLabelFontColor; - - var labelsCount = this.labels.length, - halfLabelsCount = this.labels.length/2, - quarterLabelsCount = halfLabelsCount/2, - upperHalf = (i < quarterLabelsCount || i > labelsCount - quarterLabelsCount), - exactQuarter = (i === quarterLabelsCount || i === labelsCount - quarterLabelsCount); - if (i === 0){ - ctx.textAlign = 'center'; - } else if(i === halfLabelsCount){ - ctx.textAlign = 'center'; - } else if (i < halfLabelsCount){ - ctx.textAlign = 'left'; - } else { - ctx.textAlign = 'right'; - } - - // Set the correct text baseline based on outer positioning - if (exactQuarter){ - ctx.textBaseline = 'middle'; - } else if (upperHalf){ - ctx.textBaseline = 'bottom'; - } else { - ctx.textBaseline = 'top'; - } - - ctx.fillText(this.labels[i], pointLabelPosition.x, pointLabelPosition.y); - } - } - } - } - }); - - Chart.animationService = { - frameDuration: 17, - animations: [], - dropFrames: 0, - addAnimation: function(chartInstance, animationObject) { - for (var index = 0; index < this.animations.length; ++ index){ - if (this.animations[index].chartInstance === chartInstance){ - // replacing an in progress animation - this.animations[index].animationObject = animationObject; - return; - } - } - - this.animations.push({ - chartInstance: chartInstance, - animationObject: animationObject - }); - - // If there are no animations queued, manually kickstart a digest, for lack of a better word - if (this.animations.length == 1) { - helpers.requestAnimFrame.call(window, this.digestWrapper); - } - }, - // Cancel the animation for a given chart instance - cancelAnimation: function(chartInstance) { - var index = helpers.findNextWhere(this.animations, function(animationWrapper) { - return animationWrapper.chartInstance === chartInstance; - }); - - if (index) - { - this.animations.splice(index, 1); - } - }, - // calls startDigest with the proper context - digestWrapper: function() { - Chart.animationService.startDigest.call(Chart.animationService); - }, - startDigest: function() { - - var startTime = Date.now(); - var framesToDrop = 0; - - if(this.dropFrames > 1){ - framesToDrop = Math.floor(this.dropFrames); - this.dropFrames -= framesToDrop; - } - - for (var i = 0; i < this.animations.length; i++) { - - if (this.animations[i].animationObject.currentStep === null){ - this.animations[i].animationObject.currentStep = 0; - } - - this.animations[i].animationObject.currentStep += 1 + framesToDrop; - if(this.animations[i].animationObject.currentStep > this.animations[i].animationObject.numSteps){ - this.animations[i].animationObject.currentStep = this.animations[i].animationObject.numSteps; - } - - this.animations[i].animationObject.render(this.animations[i].chartInstance, this.animations[i].animationObject); - - // Check if executed the last frame. - if (this.animations[i].animationObject.currentStep == this.animations[i].animationObject.numSteps){ - // Call onAnimationComplete - this.animations[i].animationObject.onAnimationComplete.call(this.animations[i].chartInstance); - // Remove the animation. - this.animations.splice(i, 1); - // Keep the index in place to offset the splice - i--; - } - } - - var endTime = Date.now(); - var delay = endTime - startTime - this.frameDuration; - var frameDelay = delay / this.frameDuration; - - if(frameDelay > 1){ - this.dropFrames += frameDelay; - } - - // Do we have more stuff to animate? - if (this.animations.length > 0){ - helpers.requestAnimFrame.call(window, this.digestWrapper); - } - } - }; - - // Attach global event to resize each chart instance when the browser resizes - helpers.addEvent(window, "resize", (function(){ - // Basic debounce of resize function so it doesn't hurt performance when resizing browser. - var timeout; - return function(){ - clearTimeout(timeout); - timeout = setTimeout(function(){ - each(Chart.instances,function(instance){ - // If the responsive flag is set in the chart instance config - // Cascade the resize event down to the chart. - if (instance.options.responsive){ - instance.resize(instance.render, true); - } - }); - }, 50); - }; - })()); - - - if (amd) { - define('Chart', [], function(){ - return Chart; - }); - } else if (typeof module === 'object' && module.exports) { - module.exports = Chart; - } - - root.Chart = Chart; - - Chart.noConflict = function(){ - root.Chart = previous; - return Chart; - }; - -}).call(this); - -(function(){ - "use strict"; - - var root = this, - Chart = root.Chart, - helpers = Chart.helpers; - - - var defaultConfig = { - //Boolean - Whether the scale should start at zero, or an order of magnitude down from the lowest value - scaleBeginAtZero : true, - - //Boolean - Whether grid lines are shown across the chart - scaleShowGridLines : true, - - //String - Colour of the grid lines - scaleGridLineColor : "rgba(0,0,0,.05)", - - //Number - Width of the grid lines - scaleGridLineWidth : 1, - - //Boolean - Whether to show horizontal lines (except X axis) - scaleShowHorizontalLines: true, - - //Boolean - Whether to show vertical lines (except Y axis) - scaleShowVerticalLines: true, - - //Boolean - If there is a stroke on each bar - barShowStroke : true, - - //Number - Pixel width of the bar stroke - barStrokeWidth : 2, - - //Number - Spacing between each of the X value sets - barValueSpacing : 5, - - //Number - Spacing between data sets within X values - barDatasetSpacing : 1, - - //String - A legend template - legendTemplate : "
    -legend\"><% for (var i=0; i
  • -legend-icon\" style=\"background-color:<%=datasets[i].fillColor%>\">-legend-text\"><%if(datasets[i].label){%><%=datasets[i].label%><%}%>
    • <%}%>
" - - }; - - - Chart.Type.extend({ - name: "Bar", - defaults : defaultConfig, - initialize: function(data){ - - //Expose options as a scope variable here so we can access it in the ScaleClass - var options = this.options; - - this.ScaleClass = Chart.Scale.extend({ - offsetGridLines : true, - calculateBarX : function(datasetCount, datasetIndex, barIndex){ - //Reusable method for calculating the xPosition of a given bar based on datasetIndex & width of the bar - var xWidth = this.calculateBaseWidth(), - xAbsolute = this.calculateX(barIndex) - (xWidth/2), - barWidth = this.calculateBarWidth(datasetCount); - - return xAbsolute + (barWidth * datasetIndex) + (datasetIndex * options.barDatasetSpacing) + barWidth/2; - }, - calculateBaseWidth : function(){ - return (this.calculateX(1) - this.calculateX(0)) - (2*options.barValueSpacing); - }, - calculateBarWidth : function(datasetCount){ - //The padding between datasets is to the right of each bar, providing that there are more than 1 dataset - var baseWidth = this.calculateBaseWidth() - ((datasetCount - 1) * options.barDatasetSpacing); - - return (baseWidth / datasetCount); - } - }); - - this.datasets = []; - - //Set up tooltip events on the chart - if (this.options.showTooltips){ - helpers.bindEvents(this, this.options.tooltipEvents, function(evt){ - var activeBars = (evt.type !== 'mouseout') ? this.getBarsAtEvent(evt) : []; - - this.eachBars(function(bar){ - bar.restore(['fillColor', 'strokeColor']); - }); - helpers.each(activeBars, function(activeBar){ - if (activeBar) { - activeBar.fillColor = activeBar.highlightFill; - activeBar.strokeColor = activeBar.highlightStroke; - } - }); - this.showTooltip(activeBars); - }); - } - - //Declare the extension of the default point, to cater for the options passed in to the constructor - this.BarClass = Chart.Rectangle.extend({ - strokeWidth : this.options.barStrokeWidth, - showStroke : this.options.barShowStroke, - ctx : this.chart.ctx - }); - - //Iterate through each of the datasets, and build this into a property of the chart - helpers.each(data.datasets,function(dataset,datasetIndex){ - - var datasetObject = { - label : dataset.label || null, - fillColor : dataset.fillColor, - strokeColor : dataset.strokeColor, - bars : [] - }; - - this.datasets.push(datasetObject); - - helpers.each(dataset.data,function(dataPoint,index){ - //Add a new point for each piece of data, passing any required data to draw. - datasetObject.bars.push(new this.BarClass({ - value : dataPoint, - label : data.labels[index], - datasetLabel: dataset.label, - strokeColor : (typeof dataset.strokeColor == 'object') ? dataset.strokeColor[index] : dataset.strokeColor, - fillColor : (typeof dataset.fillColor == 'object') ? dataset.fillColor[index] : dataset.fillColor, - highlightFill : (dataset.highlightFill) ? (typeof dataset.highlightFill == 'object') ? dataset.highlightFill[index] : dataset.highlightFill : (typeof dataset.fillColor == 'object') ? dataset.fillColor[index] : dataset.fillColor, - highlightStroke : (dataset.highlightStroke) ? (typeof dataset.highlightStroke == 'object') ? dataset.highlightStroke[index] : dataset.highlightStroke : (typeof dataset.strokeColor == 'object') ? dataset.strokeColor[index] : dataset.strokeColor - })); - },this); - - },this); - - this.buildScale(data.labels); - - this.BarClass.prototype.base = this.scale.endPoint; - - this.eachBars(function(bar, index, datasetIndex){ - helpers.extend(bar, { - width : this.scale.calculateBarWidth(this.datasets.length), - x: this.scale.calculateBarX(this.datasets.length, datasetIndex, index), - y: this.scale.endPoint - }); - bar.save(); - }, this); - - this.render(); - }, - update : function(){ - this.scale.update(); - // Reset any highlight colours before updating. - helpers.each(this.activeElements, function(activeElement){ - activeElement.restore(['fillColor', 'strokeColor']); - }); - - this.eachBars(function(bar){ - bar.save(); - }); - this.render(); - }, - eachBars : function(callback){ - helpers.each(this.datasets,function(dataset, datasetIndex){ - helpers.each(dataset.bars, callback, this, datasetIndex); - },this); - }, - getBarsAtEvent : function(e){ - var barsArray = [], - eventPosition = helpers.getRelativePosition(e), - datasetIterator = function(dataset){ - barsArray.push(dataset.bars[barIndex]); - }, - barIndex; - - for (var datasetIndex = 0; datasetIndex < this.datasets.length; datasetIndex++) { - for (barIndex = 0; barIndex < this.datasets[datasetIndex].bars.length; barIndex++) { - if (this.datasets[datasetIndex].bars[barIndex].inRange(eventPosition.x,eventPosition.y)){ - helpers.each(this.datasets, datasetIterator); - return barsArray; - } - } - } - - return barsArray; - }, - buildScale : function(labels){ - var self = this; - - var dataTotal = function(){ - var values = []; - self.eachBars(function(bar){ - values.push(bar.value); - }); - return values; - }; - - var scaleOptions = { - templateString : this.options.scaleLabel, - height : this.chart.height, - width : this.chart.width, - ctx : this.chart.ctx, - textColor : this.options.scaleFontColor, - fontSize : this.options.scaleFontSize, - fontStyle : this.options.scaleFontStyle, - fontFamily : this.options.scaleFontFamily, - valuesCount : labels.length, - beginAtZero : this.options.scaleBeginAtZero, - integersOnly : this.options.scaleIntegersOnly, - calculateYRange: function(currentHeight){ - var updatedRanges = helpers.calculateScaleRange( - dataTotal(), - currentHeight, - this.fontSize, - this.beginAtZero, - this.integersOnly - ); - helpers.extend(this, updatedRanges); - }, - xLabels : labels, - font : helpers.fontString(this.options.scaleFontSize, this.options.scaleFontStyle, this.options.scaleFontFamily), - lineWidth : this.options.scaleLineWidth, - lineColor : this.options.scaleLineColor, - showHorizontalLines : this.options.scaleShowHorizontalLines, - showVerticalLines : this.options.scaleShowVerticalLines, - gridLineWidth : (this.options.scaleShowGridLines) ? this.options.scaleGridLineWidth : 0, - gridLineColor : (this.options.scaleShowGridLines) ? this.options.scaleGridLineColor : "rgba(0,0,0,0)", - padding : (this.options.showScale) ? 0 : (this.options.barShowStroke) ? this.options.barStrokeWidth : 0, - showLabels : this.options.scaleShowLabels, - display : this.options.showScale - }; - - if (this.options.scaleOverride){ - helpers.extend(scaleOptions, { - calculateYRange: helpers.noop, - steps: this.options.scaleSteps, - stepValue: this.options.scaleStepWidth, - min: this.options.scaleStartValue, - max: this.options.scaleStartValue + (this.options.scaleSteps * this.options.scaleStepWidth) - }); - } - - this.scale = new this.ScaleClass(scaleOptions); - }, - addData : function(valuesArray,label){ - //Map the values array for each of the datasets - helpers.each(valuesArray,function(value,datasetIndex){ - //Add a new point for each piece of data, passing any required data to draw. - this.datasets[datasetIndex].bars.push(new this.BarClass({ - value : value, - label : label, - datasetLabel: this.datasets[datasetIndex].label, - x: this.scale.calculateBarX(this.datasets.length, datasetIndex, this.scale.valuesCount+1), - y: this.scale.endPoint, - width : this.scale.calculateBarWidth(this.datasets.length), - base : this.scale.endPoint, - strokeColor : this.datasets[datasetIndex].strokeColor, - fillColor : this.datasets[datasetIndex].fillColor - })); - },this); - - this.scale.addXLabel(label); - //Then re-render the chart. - this.update(); - }, - removeData : function(){ - this.scale.removeXLabel(); - //Then re-render the chart. - helpers.each(this.datasets,function(dataset){ - dataset.bars.shift(); - },this); - this.update(); - }, - reflow : function(){ - helpers.extend(this.BarClass.prototype,{ - y: this.scale.endPoint, - base : this.scale.endPoint - }); - var newScaleProps = helpers.extend({ - height : this.chart.height, - width : this.chart.width - }); - this.scale.update(newScaleProps); - }, - draw : function(ease){ - var easingDecimal = ease || 1; - this.clear(); - - var ctx = this.chart.ctx; - - this.scale.draw(easingDecimal); - - //Draw all the bars for each dataset - helpers.each(this.datasets,function(dataset,datasetIndex){ - helpers.each(dataset.bars,function(bar,index){ - if (bar.hasValue()){ - bar.base = this.scale.endPoint; - //Transition then draw - bar.transition({ - x : this.scale.calculateBarX(this.datasets.length, datasetIndex, index), - y : this.scale.calculateY(bar.value), - width : this.scale.calculateBarWidth(this.datasets.length) - }, easingDecimal).draw(); - } - },this); - - },this); - } - }); - - -}).call(this); - -(function(){ - "use strict"; - - var root = this, - Chart = root.Chart, - //Cache a local reference to Chart.helpers - helpers = Chart.helpers; - - var defaultConfig = { - //Boolean - Whether we should show a stroke on each segment - segmentShowStroke : true, - - //String - The colour of each segment stroke - segmentStrokeColor : "#fff", - - //Number - The width of each segment stroke - segmentStrokeWidth : 2, - - //The percentage of the chart that we cut out of the middle. - percentageInnerCutout : 50, - - //Number - Amount of animation steps - animationSteps : 100, - - //String - Animation easing effect - animationEasing : "easeOutBounce", - - //Boolean - Whether we animate the rotation of the Doughnut - animateRotate : true, - - //Boolean - Whether we animate scaling the Doughnut from the centre - animateScale : false, - - //String - A legend template - legendTemplate : "
    -legend\"><% for (var i=0; i
  • -legend-icon\" style=\"background-color:<%=segments[i].fillColor%>\">-legend-text\"><%if(segments[i].label){%><%=segments[i].label%><%}%>
    • <%}%>
" - - }; - - Chart.Type.extend({ - //Passing in a name registers this chart in the Chart namespace - name: "Doughnut", - //Providing a defaults will also register the defaults 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){ - - //Declare segments as a static property to prevent inheriting across the Chart type prototype - this.segments = []; - this.outerRadius = (helpers.min([this.chart.width,this.chart.height]) - this.options.segmentStrokeWidth/2)/2; - - this.SegmentArc = Chart.Arc.extend({ - ctx : this.chart.ctx, - x : this.chart.width/2, - y : this.chart.height/2 - }); - - //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.calculateTotal(data); - - helpers.each(data,function(datapoint, index){ - if (!datapoint.color) { - datapoint.color = 'hsl(' + (360 * index / data.length) + ', 100%, 50%)'; - } - this.addData(datapoint, index, true); - },this); - - 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 !== undefined ? atIndex : this.segments.length; - if ( typeof(segment.color) === "undefined" ) { - segment.color = Chart.defaults.global.segmentColorDefault[index % Chart.defaults.global.segmentColorDefault.length]; - segment.highlight = Chart.defaults.global.segmentHighlightColorDefaults[index % Chart.defaults.global.segmentHighlightColorDefaults.length]; - } - this.segments.splice(index, 0, new this.SegmentArc({ - value : segment.value, - outerRadius : (this.options.animateScale) ? 0 : this.outerRadius, - innerRadius : (this.options.animateScale) ? 0 : (this.outerRadius/100) * this.options.percentageInnerCutout, - fillColor : segment.color, - highlightColor : segment.highlight || segment.color, - showStroke : this.options.segmentShowStroke, - strokeWidth : this.options.segmentStrokeWidth, - strokeColor : this.options.segmentStrokeColor, - startAngle : Math.PI * 1.5, - circumference : (this.options.animateRotate) ? 0 : this.calculateCircumference(segment.value), - label : segment.label - })); - if (!silent){ - this.reflow(); - this.update(); - } - }, - calculateCircumference : function(value) { - if ( this.total > 0 ) { - return (Math.PI*2)*(value / this.total); - } else { - return 0; - } - }, - calculateTotal : function(data){ - this.total = 0; - helpers.each(data,function(segment){ - this.total += Math.abs(segment.value); - },this); - }, - update : function(){ - this.calculateTotal(this.segments); - - // Reset any highlight colours before updating. - helpers.each(this.activeElements, function(activeElement){ - activeElement.restore(['fillColor']); - }); - - helpers.each(this.segments,function(segment){ - segment.save(); - }); - this.render(); - }, - - removeData: function(atIndex){ - var indexToDelete = (helpers.isNumber(atIndex)) ? atIndex : this.segments.length-1; - this.segments.splice(indexToDelete, 1); - this.reflow(); - this.update(); - }, - - reflow : function(){ - helpers.extend(this.SegmentArc.prototype,{ - x : this.chart.width/2, - y : this.chart.height/2 - }); - this.outerRadius = (helpers.min([this.chart.width,this.chart.height]) - this.options.segmentStrokeWidth/2)/2; - helpers.each(this.segments, function(segment){ - segment.update({ - outerRadius : this.outerRadius, - innerRadius : (this.outerRadius/100) * this.options.percentageInnerCutout - }); - }, this); - }, - draw : function(easeDecimal){ - var animDecimal = (easeDecimal) ? easeDecimal : 1; - this.clear(); - helpers.each(this.segments,function(segment,index){ - segment.transition({ - circumference : this.calculateCircumference(segment.value), - outerRadius : this.outerRadius, - innerRadius : (this.outerRadius/100) * this.options.percentageInnerCutout - },animDecimal); - - segment.endAngle = segment.startAngle + segment.circumference; - - segment.draw(); - 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; - } - },this); - - } - }); - - Chart.types.Doughnut.extend({ - name : "Pie", - defaults : helpers.merge(defaultConfig,{percentageInnerCutout : 0}) - }); - -}).call(this); - -(function(){ - "use strict"; - - var root = this, - Chart = root.Chart, - helpers = Chart.helpers; - - var defaultConfig = { - - ///Boolean - Whether grid lines are shown across the chart - scaleShowGridLines : true, - - //String - Colour of the grid lines - scaleGridLineColor : "rgba(0,0,0,.05)", - - //Number - Width of the grid lines - scaleGridLineWidth : 1, - - //Boolean - Whether to show horizontal lines (except X axis) - scaleShowHorizontalLines: true, - - //Boolean - Whether to show vertical lines (except Y axis) - scaleShowVerticalLines: true, - - //Boolean - Whether the line is curved between points - bezierCurve : true, - - //Number - Tension of the bezier curve between points - bezierCurveTension : 0.4, - - //Boolean - Whether to show a dot for each point - pointDot : true, - - //Number - Radius of each point dot in pixels - pointDotRadius : 4, - - //Number - Pixel width of point dot stroke - pointDotStrokeWidth : 1, - - //Number - amount extra to add to the radius to cater for hit detection outside the drawn point - pointHitDetectionRadius : 20, - - //Boolean - Whether to show a stroke for datasets - datasetStroke : true, - - //Number - Pixel width of dataset stroke - datasetStrokeWidth : 2, - - //Boolean - Whether to fill the dataset with a colour - datasetFill : true, - - //String - A legend template - legendTemplate : "
    -legend\"><% for (var i=0; i
  • -legend-icon\" style=\"background-color:<%=datasets[i].strokeColor%>\">-legend-text\"><%if(datasets[i].label){%><%=datasets[i].label%><%}%>
    • <%}%>
", - - //Boolean - Whether to horizontally center the label and point dot inside the grid - offsetGridLines : false - - }; - - - Chart.Type.extend({ - name: "Line", - defaults : defaultConfig, - initialize: function(data){ - //Declare the extension of the default point, to cater for the options passed in to the constructor - this.PointClass = Chart.Point.extend({ - offsetGridLines : this.options.offsetGridLines, - strokeWidth : this.options.pointDotStrokeWidth, - radius : this.options.pointDotRadius, - display: this.options.pointDot, - hitDetectionRadius : this.options.pointHitDetectionRadius, - ctx : this.chart.ctx, - inRange : function(mouseX){ - return (Math.pow(mouseX-this.x, 2) < Math.pow(this.radius + this.hitDetectionRadius,2)); - } - }); - - this.datasets = []; - - //Set up tooltip events on the chart - if (this.options.showTooltips){ - helpers.bindEvents(this, this.options.tooltipEvents, function(evt){ - var activePoints = (evt.type !== 'mouseout') ? this.getPointsAtEvent(evt) : []; - this.eachPoints(function(point){ - point.restore(['fillColor', 'strokeColor']); - }); - helpers.each(activePoints, function(activePoint){ - activePoint.fillColor = activePoint.highlightFill; - activePoint.strokeColor = activePoint.highlightStroke; - }); - this.showTooltip(activePoints); - }); - } - - //Iterate through each of the datasets, and build this into a property of the chart - helpers.each(data.datasets,function(dataset){ - - var datasetObject = { - label : dataset.label || null, - fillColor : dataset.fillColor, - strokeColor : dataset.strokeColor, - pointColor : dataset.pointColor, - pointStrokeColor : dataset.pointStrokeColor, - points : [] - }; - - this.datasets.push(datasetObject); - - - helpers.each(dataset.data,function(dataPoint,index){ - //Add a new point for each piece of data, passing any required data to draw. - datasetObject.points.push(new this.PointClass({ - value : dataPoint, - label : data.labels[index], - datasetLabel: dataset.label, - strokeColor : dataset.pointStrokeColor, - fillColor : dataset.pointColor, - highlightFill : dataset.pointHighlightFill || dataset.pointColor, - highlightStroke : dataset.pointHighlightStroke || dataset.pointStrokeColor - })); - },this); - - this.buildScale(data.labels); - - - this.eachPoints(function(point, index){ - helpers.extend(point, { - x: this.scale.calculateX(index), - y: this.scale.endPoint - }); - point.save(); - }, this); - - },this); - - - this.render(); - }, - update : function(){ - this.scale.update(); - // Reset any highlight colours before updating. - helpers.each(this.activeElements, function(activeElement){ - activeElement.restore(['fillColor', 'strokeColor']); - }); - this.eachPoints(function(point){ - point.save(); - }); - this.render(); - }, - eachPoints : function(callback){ - helpers.each(this.datasets,function(dataset){ - helpers.each(dataset.points,callback,this); - },this); - }, - getPointsAtEvent : function(e){ - var pointsArray = [], - eventPosition = helpers.getRelativePosition(e); - helpers.each(this.datasets,function(dataset){ - helpers.each(dataset.points,function(point){ - if (point.inRange(eventPosition.x,eventPosition.y)) pointsArray.push(point); - }); - },this); - return pointsArray; - }, - buildScale : function(labels){ - var self = this; - - var dataTotal = function(){ - var values = []; - self.eachPoints(function(point){ - values.push(point.value); - }); - - return values; - }; - - var scaleOptions = { - templateString : this.options.scaleLabel, - height : this.chart.height, - width : this.chart.width, - ctx : this.chart.ctx, - textColor : this.options.scaleFontColor, - offsetGridLines : this.options.offsetGridLines, - fontSize : this.options.scaleFontSize, - fontStyle : this.options.scaleFontStyle, - fontFamily : this.options.scaleFontFamily, - valuesCount : labels.length, - beginAtZero : this.options.scaleBeginAtZero, - integersOnly : this.options.scaleIntegersOnly, - calculateYRange : function(currentHeight){ - var updatedRanges = helpers.calculateScaleRange( - dataTotal(), - currentHeight, - this.fontSize, - this.beginAtZero, - this.integersOnly - ); - helpers.extend(this, updatedRanges); - }, - xLabels : labels, - font : helpers.fontString(this.options.scaleFontSize, this.options.scaleFontStyle, this.options.scaleFontFamily), - lineWidth : this.options.scaleLineWidth, - lineColor : this.options.scaleLineColor, - showHorizontalLines : this.options.scaleShowHorizontalLines, - showVerticalLines : this.options.scaleShowVerticalLines, - gridLineWidth : (this.options.scaleShowGridLines) ? this.options.scaleGridLineWidth : 0, - gridLineColor : (this.options.scaleShowGridLines) ? this.options.scaleGridLineColor : "rgba(0,0,0,0)", - padding: (this.options.showScale) ? 0 : this.options.pointDotRadius + this.options.pointDotStrokeWidth, - showLabels : this.options.scaleShowLabels, - display : this.options.showScale - }; - - if (this.options.scaleOverride){ - helpers.extend(scaleOptions, { - calculateYRange: helpers.noop, - steps: this.options.scaleSteps, - stepValue: this.options.scaleStepWidth, - min: this.options.scaleStartValue, - max: this.options.scaleStartValue + (this.options.scaleSteps * this.options.scaleStepWidth) - }); - } - - - this.scale = new Chart.Scale(scaleOptions); - }, - addData : function(valuesArray,label){ - //Map the values array for each of the datasets - - helpers.each(valuesArray,function(value,datasetIndex){ - //Add a new point for each piece of data, passing any required data to draw. - this.datasets[datasetIndex].points.push(new this.PointClass({ - value : value, - label : label, - datasetLabel: this.datasets[datasetIndex].label, - x: this.scale.calculateX(this.scale.valuesCount+1), - y: this.scale.endPoint, - strokeColor : this.datasets[datasetIndex].pointStrokeColor, - fillColor : this.datasets[datasetIndex].pointColor - })); - },this); - - this.scale.addXLabel(label); - //Then re-render the chart. - this.update(); - }, - removeData : function(){ - this.scale.removeXLabel(); - //Then re-render the chart. - helpers.each(this.datasets,function(dataset){ - dataset.points.shift(); - },this); - this.update(); - }, - reflow : function(){ - var newScaleProps = helpers.extend({ - height : this.chart.height, - width : this.chart.width - }); - this.scale.update(newScaleProps); - }, - draw : function(ease){ - var easingDecimal = ease || 1; - this.clear(); - - var ctx = this.chart.ctx; - - // Some helper methods for getting the next/prev points - var hasValue = function(item){ - return item.value !== null; - }, - nextPoint = function(point, collection, index){ - return helpers.findNextWhere(collection, hasValue, index) || point; - }, - previousPoint = function(point, collection, index){ - return helpers.findPreviousWhere(collection, hasValue, index) || point; - }; - - if (!this.scale) return; - this.scale.draw(easingDecimal); - - - helpers.each(this.datasets,function(dataset){ - var pointsWithValues = helpers.where(dataset.points, hasValue); - - //Transition each point first so that the line and point drawing isn't out of sync - //We can use this extra loop to calculate the control points of this dataset also in this loop - - helpers.each(dataset.points, function(point, index){ - if (point.hasValue()){ - point.transition({ - y : this.scale.calculateY(point.value), - x : this.scale.calculateX(index) - }, easingDecimal); - } - },this); - - - // Control points need to be calculated in a separate loop, because we need to know the current x/y of the point - // This would cause issues when there is no animation, because the y of the next point would be 0, so beziers would be skewed - if (this.options.bezierCurve){ - helpers.each(pointsWithValues, function(point, index){ - var tension = (index > 0 && index < pointsWithValues.length - 1) ? this.options.bezierCurveTension : 0; - point.controlPoints = helpers.splineCurve( - previousPoint(point, pointsWithValues, index), - point, - nextPoint(point, pointsWithValues, index), - tension - ); - - // Prevent the bezier going outside of the bounds of the graph - - // Cap puter bezier handles to the upper/lower scale bounds - if (point.controlPoints.outer.y > this.scale.endPoint){ - point.controlPoints.outer.y = this.scale.endPoint; - } - else if (point.controlPoints.outer.y < this.scale.startPoint){ - point.controlPoints.outer.y = this.scale.startPoint; - } - - // Cap inner bezier handles to the upper/lower scale bounds - if (point.controlPoints.inner.y > this.scale.endPoint){ - point.controlPoints.inner.y = this.scale.endPoint; - } - else if (point.controlPoints.inner.y < this.scale.startPoint){ - point.controlPoints.inner.y = this.scale.startPoint; - } - },this); - } - - - //Draw the line between all the points - ctx.lineWidth = this.options.datasetStrokeWidth; - ctx.strokeStyle = dataset.strokeColor; - ctx.beginPath(); - - helpers.each(pointsWithValues, function(point, index){ - if (index === 0){ - ctx.moveTo(point.x, point.y); - } - else{ - if(this.options.bezierCurve){ - var previous = previousPoint(point, pointsWithValues, index); - - ctx.bezierCurveTo( - previous.controlPoints.outer.x, - previous.controlPoints.outer.y, - point.controlPoints.inner.x, - point.controlPoints.inner.y, - point.x, - point.y - ); - } - else{ - ctx.lineTo(point.x,point.y); - } - } - }, this); - - if (this.options.datasetStroke) { - ctx.stroke(); - } - - if (this.options.datasetFill && pointsWithValues.length > 0){ - //Round off the line by going to the base of the chart, back to the start, then fill. - ctx.lineTo(pointsWithValues[pointsWithValues.length - 1].x, this.scale.endPoint); - ctx.lineTo(pointsWithValues[0].x, this.scale.endPoint); - ctx.fillStyle = dataset.fillColor; - ctx.closePath(); - ctx.fill(); - } - - //Now draw the points over the line - //A little inefficient double looping, but better than the line - //lagging behind the point positions - helpers.each(pointsWithValues,function(point){ - point.draw(); - }); - },this); - } - }); - - -}).call(this); - -(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 segment. - 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 : "
    -legend\"><% for (var i=0; i
  • -legend-icon\" style=\"background-color:<%=segments[i].fillColor%>\">-legend-text\"><%if(segments[i].label){%><%=segments[i].label%><%}%>
    • <%}%>
" - }; - - - Chart.Type.extend({ - //Passing in a name registers this chart in the Chart namespace - name: "PolarArea", - //Providing a defaults will also register the defaults 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); - -(function(){ - "use strict"; - - var root = this, - Chart = root.Chart, - helpers = Chart.helpers; - - - - Chart.Type.extend({ - name: "Radar", - defaults:{ - //Boolean - Whether to show lines for each scale point - scaleShowLine : true, - - //Boolean - Whether we show the angle lines out of the radar - angleShowLineOut : true, - - //Boolean - Whether to show labels on the scale - scaleShowLabels : false, - - // Boolean - Whether the scale should begin at zero - scaleBeginAtZero : true, - - //String - Colour of the angle line - angleLineColor : "rgba(0,0,0,.1)", - - //Number - Pixel width of the angle line - angleLineWidth : 1, - - //Number - Interval at which to draw angle lines ("every Nth point") - angleLineInterval: 1, - - //String - Point label font declaration - pointLabelFontFamily : "'Arial'", - - //String - Point label font weight - pointLabelFontStyle : "normal", - - //Number - Point label font size in pixels - pointLabelFontSize : 10, - - //String - Point label font colour - pointLabelFontColor : "#666", - - //Boolean - Whether to show a dot for each point - pointDot : true, - - //Number - Radius of each point dot in pixels - pointDotRadius : 3, - - //Number - Pixel width of point dot stroke - pointDotStrokeWidth : 1, - - //Number - amount extra to add to the radius to cater for hit detection outside the drawn point - pointHitDetectionRadius : 20, - - //Boolean - Whether to show a stroke for datasets - datasetStroke : true, - - //Number - Pixel width of dataset stroke - datasetStrokeWidth : 2, - - //Boolean - Whether to fill the dataset with a colour - datasetFill : true, - - //String - A legend template - legendTemplate : "
    -legend\"><% for (var i=0; i
  • -legend-icon\" style=\"background-color:<%=datasets[i].strokeColor%>\">-legend-text\"><%if(datasets[i].label){%><%=datasets[i].label%><%}%>
    • <%}%>
" - - }, - - initialize: function(data){ - this.PointClass = Chart.Point.extend({ - strokeWidth : this.options.pointDotStrokeWidth, - radius : this.options.pointDotRadius, - display: this.options.pointDot, - hitDetectionRadius : this.options.pointHitDetectionRadius, - ctx : this.chart.ctx - }); - - this.datasets = []; - - this.buildScale(data); - - //Set up tooltip events on the chart - if (this.options.showTooltips){ - helpers.bindEvents(this, this.options.tooltipEvents, function(evt){ - var activePointsCollection = (evt.type !== 'mouseout') ? this.getPointsAtEvent(evt) : []; - - this.eachPoints(function(point){ - point.restore(['fillColor', 'strokeColor']); - }); - helpers.each(activePointsCollection, function(activePoint){ - activePoint.fillColor = activePoint.highlightFill; - activePoint.strokeColor = activePoint.highlightStroke; - }); - - this.showTooltip(activePointsCollection); - }); - } - - //Iterate through each of the datasets, and build this into a property of the chart - helpers.each(data.datasets,function(dataset){ - - var datasetObject = { - label: dataset.label || null, - fillColor : dataset.fillColor, - strokeColor : dataset.strokeColor, - pointColor : dataset.pointColor, - pointStrokeColor : dataset.pointStrokeColor, - points : [] - }; - - this.datasets.push(datasetObject); - - helpers.each(dataset.data,function(dataPoint,index){ - //Add a new point for each piece of data, passing any required data to draw. - var pointPosition; - if (!this.scale.animation){ - pointPosition = this.scale.getPointPosition(index, this.scale.calculateCenterOffset(dataPoint)); - } - datasetObject.points.push(new this.PointClass({ - value : dataPoint, - label : data.labels[index], - datasetLabel: dataset.label, - x: (this.options.animation) ? this.scale.xCenter : pointPosition.x, - y: (this.options.animation) ? this.scale.yCenter : pointPosition.y, - strokeColor : dataset.pointStrokeColor, - fillColor : dataset.pointColor, - highlightFill : dataset.pointHighlightFill || dataset.pointColor, - highlightStroke : dataset.pointHighlightStroke || dataset.pointStrokeColor - })); - },this); - - },this); - - this.render(); - }, - eachPoints : function(callback){ - helpers.each(this.datasets,function(dataset){ - helpers.each(dataset.points,callback,this); - },this); - }, - - getPointsAtEvent : function(evt){ - var mousePosition = helpers.getRelativePosition(evt), - fromCenter = helpers.getAngleFromPoint({ - x: this.scale.xCenter, - y: this.scale.yCenter - }, mousePosition); - - var anglePerIndex = (Math.PI * 2) /this.scale.valuesCount, - pointIndex = Math.round((fromCenter.angle - Math.PI * 1.5) / anglePerIndex), - activePointsCollection = []; - - // If we're at the top, make the pointIndex 0 to get the first of the array. - if (pointIndex >= this.scale.valuesCount || pointIndex < 0){ - pointIndex = 0; - } - - if (fromCenter.distance <= this.scale.drawingArea){ - helpers.each(this.datasets, function(dataset){ - activePointsCollection.push(dataset.points[pointIndex]); - }); - } - - return activePointsCollection; - }, - - buildScale : function(data){ - 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, - backgroundColors: this.options.scaleBackgroundColors, - backdropPaddingY : this.options.scaleBackdropPaddingY, - backdropPaddingX: this.options.scaleBackdropPaddingX, - lineWidth: (this.options.scaleShowLine) ? this.options.scaleLineWidth : 0, - lineColor: this.options.scaleLineColor, - angleLineColor : this.options.angleLineColor, - angleLineWidth : (this.options.angleShowLineOut) ? this.options.angleLineWidth : 0, - angleLineInterval: (this.options.angleLineInterval) ? this.options.angleLineInterval : 1, - // Point labels at the edge of each line - pointLabelFontColor : this.options.pointLabelFontColor, - pointLabelFontSize : this.options.pointLabelFontSize, - pointLabelFontFamily : this.options.pointLabelFontFamily, - pointLabelFontStyle : this.options.pointLabelFontStyle, - height : this.chart.height, - width: this.chart.width, - xCenter: this.chart.width/2, - yCenter: this.chart.height/2, - ctx : this.chart.ctx, - templateString: this.options.scaleLabel, - labels: data.labels, - valuesCount: data.datasets[0].data.length - }); - - this.scale.setScaleSize(); - this.updateScaleRange(data.datasets); - this.scale.buildYLabels(); - }, - updateScaleRange: function(datasets){ - var valuesArray = (function(){ - var totalDataArray = []; - helpers.each(datasets,function(dataset){ - if (dataset.data){ - totalDataArray = totalDataArray.concat(dataset.data); - } - else { - helpers.each(dataset.points, function(point){ - totalDataArray.push(point.value); - }); - } - }); - return totalDataArray; - })(); - - - 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 - ); - - }, - addData : function(valuesArray,label){ - //Map the values array for each of the datasets - this.scale.valuesCount++; - helpers.each(valuesArray,function(value,datasetIndex){ - var pointPosition = this.scale.getPointPosition(this.scale.valuesCount, this.scale.calculateCenterOffset(value)); - this.datasets[datasetIndex].points.push(new this.PointClass({ - value : value, - label : label, - datasetLabel: this.datasets[datasetIndex].label, - x: pointPosition.x, - y: pointPosition.y, - strokeColor : this.datasets[datasetIndex].pointStrokeColor, - fillColor : this.datasets[datasetIndex].pointColor - })); - },this); - - this.scale.labels.push(label); - - this.reflow(); - - this.update(); - }, - removeData : function(){ - this.scale.valuesCount--; - this.scale.labels.shift(); - helpers.each(this.datasets,function(dataset){ - dataset.points.shift(); - },this); - this.reflow(); - this.update(); - }, - update : function(){ - this.eachPoints(function(point){ - point.save(); - }); - this.reflow(); - this.render(); - }, - reflow: function(){ - helpers.extend(this.scale, { - width : this.chart.width, - height: this.chart.height, - size : helpers.min([this.chart.width, this.chart.height]), - xCenter: this.chart.width/2, - yCenter: this.chart.height/2 - }); - this.updateScaleRange(this.datasets); - this.scale.setScaleSize(); - this.scale.buildYLabels(); - }, - draw : function(ease){ - var easeDecimal = ease || 1, - ctx = this.chart.ctx; - this.clear(); - this.scale.draw(); - - helpers.each(this.datasets,function(dataset){ - - //Transition each point first so that the line and point drawing isn't out of sync - helpers.each(dataset.points,function(point,index){ - if (point.hasValue()){ - point.transition(this.scale.getPointPosition(index, this.scale.calculateCenterOffset(point.value)), easeDecimal); - } - },this); - - - - //Draw the line between all the points - ctx.lineWidth = this.options.datasetStrokeWidth; - ctx.strokeStyle = dataset.strokeColor; - ctx.beginPath(); - helpers.each(dataset.points,function(point,index){ - if (index === 0){ - ctx.moveTo(point.x,point.y); - } - else{ - ctx.lineTo(point.x,point.y); - } - },this); - ctx.closePath(); - ctx.stroke(); - - ctx.fillStyle = dataset.fillColor; - if(this.options.datasetFill){ - ctx.fill(); - } - //Now draw the points over the line - //A little inefficient double looping, but better than the line - //lagging behind the point positions - helpers.each(dataset.points,function(point){ - if (point.hasValue()){ - point.draw(); - } - }); - - },this); - - } - - }); - - - - - -}).call(this);