RailsStudyGroup/redditgraphed

File Chart.js has 2453 lines of code (exceeds 250 allowed). Consider refactoring.

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/*!
* Chart.js
* http://chartjs.org/
*

Function showTooltip has 112 lines of code (exceeds 25 allowed). Consider refactoring.

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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){

Function draw has 89 lines of code (exceeds 25 allowed). Consider refactoring.

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draw: function(){
if (this.display){
var ctx = this.ctx;
each(this.yLabels, function(label, index){
// Don't draw a centre value

Function initialize has 69 lines of code (exceeds 25 allowed). Consider refactoring.

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initialize: function(data){

//Expose options as a scope variable here so we can access it in the ScaleClass
var options = this.options;

Function draw has 68 lines of code (exceeds 25 allowed). Consider refactoring.

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draw : function(){
var ctx = this.ctx,
yLabelGap = (this.endPoint - this.startPoint) / this.steps,
xStart = Math.round(this.xScalePaddingLeft);
if (this.display){

Function draw has 59 lines of code (exceeds 25 allowed). Consider refactoring.

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draw : function(ease){
var easingDecimal = ease || 1;
this.clear();

var ctx = this.chart.ctx;

Function initialize has 57 lines of code (exceeds 25 allowed). Consider refactoring.

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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({
strokeWidth : this.options.pointDotStrokeWidth,
radius : this.options.pointDotRadius,

Function calculateScaleRange has 55 lines of code (exceeds 25 allowed). Consider refactoring.

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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)),

Function draw has 54 lines of code (exceeds 25 allowed). Consider refactoring.

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draw : function(){

var ctx = this.chart.ctx;

ctx.font = fontString(this.fontSize,this.fontStyle,this.fontFamily);

Function setScaleSize has 54 lines of code (exceeds 25 allowed). Consider refactoring.

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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
*

Function initialize has 53 lines of code (exceeds 25 allowed). Consider refactoring.

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initialize: function(data){
this.PointClass = Chart.Point.extend({
strokeWidth : this.options.pointDotStrokeWidth,
radius : this.options.pointDotRadius,
display: this.options.pointDot,

Function buildScale has 50 lines of code (exceeds 25 allowed). Consider refactoring.

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buildScale : function(labels){
var self = this;

var dataTotal = function(){
var values = [];

Function buildScale has 50 lines of code (exceeds 25 allowed). Consider refactoring.

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buildScale : function(labels){
var self = this;

var dataTotal = function(){
var values = [];

Function initialize has 50 lines of code (exceeds 25 allowed). Consider refactoring.

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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,

Function calculateXLabelRotation has 34 lines of code (exceeds 25 allowed). Consider refactoring.

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calculateXLabelRotation : function(){
//Get the width of each grid by calculating the difference
//between x offsets between 0 and 1.

this.ctx.font = this.font;

Consider simplifying this complex logical expression.

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if (this.datasets && this.datasets.length > 1) {
var dataArray,
dataIndex;

for (var i = this.datasets.length - 1; i >= 0; i--) {

Function updateScaleRange has 32 lines of code (exceeds 25 allowed). Consider refactoring.

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updateScaleRange: function(datasets){
var valuesArray = (function(){
var totalDataArray = [];
helpers.each(datasets,function(dataset){
if (dataset.data){

Function buildScale has 31 lines of code (exceeds 25 allowed). Consider refactoring.

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buildScale : function(data){
this.scale = new Chart.RadialScale({
display: this.options.showScale,
fontStyle: this.options.scaleFontStyle,
fontSize: this.options.scaleFontSize,

Function medianPosition has 31 lines of code (exceeds 25 allowed). Consider refactoring.

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medianPosition = (function(index) {

// Get all the points at that particular index
var Elements = [],
dataCollection,

Function updateScaleRange has 27 lines of code (exceeds 25 allowed). Consider refactoring.

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updateScaleRange: function(datapoints){
var valuesArray = [];
helpers.each(datapoints,function(segment){
valuesArray.push(segment.value);
});

Function draw has 27 lines of code (exceeds 25 allowed). Consider refactoring.

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draw : function(ease){
var easeDecimal = ease || 1,
ctx = this.chart.ctx;
this.clear();
this.scale.draw();

Avoid deeply nested control flow statements.

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for (var i=0;i<this.valuesCount;i++)
{
pointPosition = this.getPointPosition(i, this.calculateCenterOffset(this.min + (index * this.stepValue)));
if (i === 0){
ctx.moveTo(pointPosition.x, pointPosition.y);

Function animationLoop has 6 arguments (exceeds 4 allowed). Consider refactoring.

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animationLoop = helpers.animationLoop = function(callback,totalSteps,easingString,onProgress,onComplete,chartInstance){

Function drawRoundedRectangle has 6 arguments (exceeds 4 allowed). Consider refactoring.

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drawRoundedRectangle = helpers.drawRoundedRectangle = function(ctx,x,y,width,height,radius){

Avoid deeply nested control flow statements.

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if (pointPosition.x - textWidth < furthestLeft) {
furthestLeft = pointPosition.x - textWidth;
furthestLeftIndex = i;
}

Function calculateScaleRange has 5 arguments (exceeds 4 allowed). Consider refactoring.

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calculateScaleRange = helpers.calculateScaleRange = function(valuesArray, drawingSize, textSize, startFromZero, integersOnly){

Similar blocks of code found in 3 locations. Consider refactoring.

Open

if (this.options.showTooltips){
helpers.bindEvents(this, this.options.tooltipEvents, function(evt){
var activeBars = (evt.type !== 'mouseout') ? this.getBarsAtEvent(evt) : [];

this.eachBars(function(bar){

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Similar blocks of code found in 3 locations. Consider refactoring.

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if (this.options.showTooltips){
helpers.bindEvents(this, this.options.tooltipEvents, function(evt){
var activePointsCollection = (evt.type !== 'mouseout') ? this.getPointsAtEvent(evt) : [];

this.eachPoints(function(point){

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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']);

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Similar blocks of code found in 2 locations. Consider refactoring.

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var scaleSizes = (this.options.scaleOverride) ?
{
steps: this.options.scaleSteps,
stepValue: this.options.scaleStepWidth,
min: this.options.scaleStartValue,

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var scaleSizes = (this.options.scaleOverride) ?
{
steps: this.options.scaleSteps,
stepValue: this.options.scaleStepWidth,
min: this.options.scaleStartValue,

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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"]);

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Similar blocks of code found in 2 locations. Consider refactoring.

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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){

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Similar blocks of code found in 2 locations. Consider refactoring.

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if (this.options.scaleOverride){
helpers.extend(scaleOptions, {
calculateYRange: helpers.noop,
steps: this.options.scaleSteps,
stepValue: this.options.scaleStepWidth,

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if (this.options.scaleOverride){
helpers.extend(scaleOptions, {
calculateYRange: helpers.noop,
steps: this.options.scaleSteps,
stepValue: this.options.scaleStepWidth,

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Similar blocks of code found in 2 locations. Consider refactoring.

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if (helpers.isNumber(dataPoint)){
//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],

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Similar blocks of code found in 2 locations. Consider refactoring.

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if (helpers.isNumber(dataPoint)){
//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],

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Similar blocks of code found in 2 locations. Consider refactoring.

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update : function(){
this.scale.update();
// Reset any highlight colours before updating.
helpers.each(this.activeElements, function(activeElement){
activeElement.restore(['fillColor', 'strokeColor']);

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Similar blocks of code found in 2 locations. Consider refactoring.

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update : function(){
this.scale.update();
// Reset any highlight colours before updating.
helpers.each(this.activeElements, function(activeElement){
activeElement.restore(['fillColor', 'strokeColor']);

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Identical blocks of code found in 2 locations. Consider refactoring.

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getSegmentsAtEvent : function(e){
var segmentsArray = [];

var location = helpers.getRelativePosition(e);

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Identical blocks of code found in 2 locations. Consider refactoring.

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getSegmentsAtEvent : function(e){
var segmentsArray = [];

var location = helpers.getRelativePosition(e);

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Similar blocks of code found in 2 locations. Consider refactoring.

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requestAnimFrame = helpers.requestAnimFrame = (function(){
return window.requestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.oRequestAnimationFrame ||

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cancelAnimFrame = helpers.cancelAnimFrame = (function(){
return window.cancelAnimationFrame ||
window.webkitCancelAnimationFrame ||
window.mozCancelAnimationFrame ||
window.oCancelAnimationFrame ||

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Similar blocks of code found in 2 locations. Consider refactoring.

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for (var i=0; i<=this.steps; i++){
this.yLabels.push(template(this.templateString,{value:(this.min + (i * this.stepValue)).toFixed(stepDecimalPlaces)}));
}

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for (var i=0; i<=this.steps; i++){
this.yLabels.push(template(this.templateString,{value:(this.min + (i * this.stepValue)).toFixed(stepDecimalPlaces)}));
}

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Similar blocks of code found in 2 locations. Consider refactoring.

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removeData: function(atIndex){
var indexToDelete = (helpers.isNumber(atIndex)) ? atIndex : this.segments.length-1;
this.segments.splice(indexToDelete, 1);
this.reflow();
this.update();

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Similar blocks of code found in 2 locations. Consider refactoring.

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removeData: function(atIndex){
var indexToDelete = (helpers.isNumber(atIndex)) ? atIndex : this.segments.length-1;
this.segments.splice(indexToDelete, 1);
this.reflow();
this.update();

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Identical blocks of code found in 2 locations. Consider refactoring.

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if (index > 0){
// This is a grid line in the centre, so drop that
ctx.lineWidth = this.gridLineWidth;
ctx.strokeStyle = this.gridLineColor;
} else {

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if (index > 0){
// This is a grid line in the centre, so drop that
ctx.lineWidth = this.gridLineWidth;
ctx.strokeStyle = this.gridLineColor;
} else {

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Similar blocks of code found in 2 locations. Consider refactoring.

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removeData : function(){
this.scale.removeXLabel();
//Then re-render the chart.
helpers.each(this.datasets,function(dataset){
dataset.points.shift();

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removeData : function(){
this.scale.removeXLabel();
//Then re-render the chart.
helpers.each(this.datasets,function(dataset){
dataset.bars.shift();

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Similar blocks of code found in 3 locations. Consider refactoring.

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if (a < Math.abs(1)) {
a = 1;
s = p / 4;
} else s = p / (2 * Math.PI) * Math.asin(1 / a);

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if (a < Math.abs(1)) {
a = 1;
s = p / 4;
} else s = p / (2 * Math.PI) * Math.asin(1 / a);

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if (a < Math.abs(1)) {
a = 1;
s = p / 4;
} else s = p / (2 * Math.PI) * Math.asin(1 / a);

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Similar blocks of code found in 2 locations. Consider refactoring.

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inner : {
x : MiddlePoint.x-fa*(AfterPoint.x-FirstPoint.x),
y : MiddlePoint.y-fa*(AfterPoint.y-FirstPoint.y)
},

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outer : {
x: MiddlePoint.x+fb*(AfterPoint.x-FirstPoint.x),
y : MiddlePoint.y+fb*(AfterPoint.y-FirstPoint.y)
}

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Identical blocks of code found in 2 locations. Consider refactoring.

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var datasetObject = {
label : dataset.label || null,
fillColor : dataset.fillColor,
strokeColor : dataset.strokeColor,
pointColor : dataset.pointColor,

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var datasetObject = {
label: dataset.label || null,
fillColor : dataset.fillColor,
strokeColor : dataset.strokeColor,
pointColor : dataset.pointColor,

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d12=Math.sqrt(Math.pow(AfterPoint.x-MiddlePoint.x,2)+Math.pow(AfterPoint.y-MiddlePoint.y,2)),

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var d01=Math.sqrt(Math.pow(MiddlePoint.x-FirstPoint.x,2)+Math.pow(MiddlePoint.y-FirstPoint.y,2)),

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this.outerRadius = (helpers.min([this.chart.width,this.chart.height]) -    this.options.segmentStrokeWidth/2)/2;

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this.outerRadius = (helpers.min([this.chart.width,this.chart.height]) -    this.options.segmentStrokeWidth/2)/2;

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return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * 1 - s) * (2 * Math.PI) / p));

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ctx.fillRect(this.x + this.xPadding, this.getLineHeight(index + 1) - this.fontSize/2, this.fontSize, this.fontSize);

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if (t < 1) return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * 1 - s) * (2 * Math.PI) / p));

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ctx.fillRect(this.x + this.xPadding, this.getLineHeight(index + 1) - this.fontSize/2, this.fontSize, this.fontSize);

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Similar blocks of code found in 2 locations. Consider refactoring.

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this.drawingArea = (this.display) ? (this.size/2) - (this.fontSize/2 + this.backdropPaddingY) : (this.size/2);

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this.drawingArea = (this.display) ? (this.size/2) - (this.fontSize/2 + this.backdropPaddingY) : (this.size/2);

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Identical blocks of code found in 2 locations. Consider refactoring.

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calculateYRange : function(currentHeight){
var updatedRanges = helpers.calculateScaleRange(
dataTotal(),
currentHeight,
this.fontSize,

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calculateYRange: function(currentHeight){
var updatedRanges = helpers.calculateScaleRange(
dataTotal(),
currentHeight,
this.fontSize,

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Identical blocks of code found in 2 locations. Consider refactoring.

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helpers.extend(this.SegmentArc.prototype,{
x : this.chart.width/2,
y : this.chart.height/2
});

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var dataTotal = function(){
var values = [];
self.eachPoints(function(point){
values.push(point.value);
});

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if (index === 0){
ctx.moveTo(point.x,point.y);
}
else{
ctx.lineTo(point.x,point.y);

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if (i === 0){
ctx.moveTo(pointPosition.x, pointPosition.y);
} else {
ctx.lineTo(pointPosition.x, pointPosition.y);
}

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helpers.extend(this.SegmentArc.prototype,{
x : this.chart.width/2,
y : this.chart.height/2
});

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var dataTotal = function(){
var values = [];
self.eachBars(function(bar){
values.push(bar.value);
});

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if (index < this.segments.length-1){
this.segments[index+1].startAngle = segment.endAngle;
}

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if (index < this.segments.length - 1){
this.segments[index+1].startAngle = segment.endAngle;
}

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eachPoints : function(callback){
helpers.each(this.datasets,function(dataset){
helpers.each(dataset.points,callback,this);
},this);
},

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eachPoints : function(callback){
helpers.each(this.datasets,function(dataset){
helpers.each(dataset.points,callback,this);
},this);
},

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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;

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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;

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if (node.removeEventListener){
node.removeEventListener(eventType, handler, false);
} else if (node.detachEvent){
node.detachEvent("on"+eventType,handler);
} else{

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if (node.addEventListener){
node.addEventListener(eventType,method);
} else if (node.attachEvent){
node.attachEvent("on"+eventType, method);
} else {

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