mirror of
https://github.com/chartjs/Chart.js.git
synced 2026-03-04 23:44:05 +01:00
Polar Area Draws, but has scale resizing issues
This commit is contained in:
Tanner Linsley
@@ -38,14 +38,14 @@
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"#949FB1",
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"#4D5360",
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],
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labels: [
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"Red",
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"Green",
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"Yellow",
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"Grey",
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"Dark Grey"
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]
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}],
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labels: [
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"Red",
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"Green",
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"Yellow",
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"Grey",
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"Dark Grey"
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]
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},
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options: {
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responsive: true
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@@ -1,14 +1,13 @@
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(function() {
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"use strict";
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return;
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var root = this,
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Chart = root.Chart,
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//Cache a local reference to Chart.helpers
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helpers = Chart.helpers;
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var defaultConfig = {
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Chart.defaults.polarArea = {
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scale: {
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type: "radialLinear",
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@@ -19,330 +18,168 @@
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animateRotate: true,
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};
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Chart.controllers.polarArea = function(chart, datasetIndex) {
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this.initialize.call(this, chart, datasetIndex);
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};
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Chart.Type.extend({
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//Passing in a name registers this chart in the Chart namespace
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name: "PolarArea",
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//Providing a defaults will also register the deafults in the chart namespace
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defaults: defaultConfig,
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//Initialize is fired when the chart is initialized - Data is passed in as a parameter
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//Config is automatically merged by the core of Chart.js, and is available at this.options
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initialize: function() {
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helpers.extend(Chart.controllers.polarArea.prototype, {
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// Scale setup
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var self = this;
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var ScaleClass = Chart.scaleService.getScaleConstructor(this.options.scale.type);
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this.scale = new ScaleClass({
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options: this.options.scale,
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lineArc: true,
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width: this.chart.width,
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height: this.chart.height,
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xCenter: this.chart.width / 2,
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yCenter: this.chart.height / 2,
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ctx: this.chart.ctx,
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valuesCount: this.data.length,
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data: this.data
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});
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initialize: function(chart, datasetIndex) {
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this.chart = chart;
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this.index = datasetIndex;
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this.linkScales();
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this.addElements();
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},
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helpers.bindEvents(this, this.options.events, this.events);
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linkScales: function() {
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// no scales for doughnut
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},
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//Set up tooltip events on the chart
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helpers.bindEvents(this, this.options.events, this.events);
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getDataset: function() {
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return this.chart.data.datasets[this.index];
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},
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//Create a new bar for each piece of data
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helpers.each(this.data.datasets, function(dataset, datasetIndex) {
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dataset.metaData = [];
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helpers.each(dataset.data, function(dataPoint, index) {
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dataset.metaData.push(new Chart.Arc({
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_chart: this.chart,
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_datasetIndex: datasetIndex,
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_index: index,
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_model: {}
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}));
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}, this);
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getScaleForId: function(scaleID) {
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return this.chart.scales[scaleID];
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},
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addElements: function() {
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this.getDataset().metaData = this.getDataset().metaData || [];
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helpers.each(this.getDataset().data, function(value, index) {
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this.getDataset().metaData[index] = this.getDataset().metaData[index] || new Chart.elements.Arc({
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_chart: this.chart.chart,
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_datasetIndex: this.index,
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_index: index,
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});
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}, this);
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},
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// Create tooltip instance exclusively for this chart with some defaults.
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this.tooltip = new Chart.Tooltip({
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_chart: this.chart,
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_data: this.data,
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_options: this.options,
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}, this);
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reset: function() {
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this.update(true);
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},
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update: function(reset) {
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// Fit the scale before we animate
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this.updateScaleRange();
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this.scale.calculateRange();
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Chart.scaleService.fitScalesForChart(this, this.chart.width, this.chart.height);
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//this.chart.scale.setScaleSize();
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this.chart.scale.calculateRange();
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this.chart.scale.generateTicks();
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this.chart.scale.buildYLabels();
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// so that we animate nicely
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this.resetElements();
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this.chart.outerRadius = (helpers.min([this.chart.chart.width, this.chart.chart.height]) - this.chart.options.elements.arc.borderWidth / 2) / 2;
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this.chart.innerRadius = this.chart.options.cutoutPercentage ? (this.chart.outerRadius / 100) * (this.chart.options.cutoutPercentage) : 1;
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this.chart.radiusLength = (this.chart.outerRadius - this.chart.innerRadius) / this.chart.data.datasets.length;
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// Update the chart with the latest data.
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this.update();
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this.getDataset().total = 0;
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helpers.each(this.getDataset().data, function(value) {
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this.getDataset().total += Math.abs(value);
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}, this);
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this.outerRadius = this.chart.outerRadius - (this.chart.radiusLength * this.index);
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this.innerRadius = this.outerRadius - this.chart.radiusLength;
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helpers.each(this.getDataset().metaData, function(arc, index) {
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var resetModel = {
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x: this.chart.chart.width / 2,
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y: this.chart.chart.height / 2,
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innerRadius: 0,
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outerRadius: 0,
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startAngle: Math.PI * -0.5,
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endAngle: Math.PI * -0.5,
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backgroundColor: arc.custom && arc.custom.backgroundColor ? arc.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.arc.backgroundColor),
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hoverBackgroundColor: arc.custom && arc.custom.hoverBackgroundColor ? arc.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().hoverBackgroundColor, index, this.chart.options.elements.arc.hoverBackgroundColor),
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borderWidth: arc.custom && arc.custom.borderWidth ? arc.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.arc.borderWidth),
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borderColor: arc.custom && arc.custom.borderColor ? arc.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.arc.borderColor),
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label: helpers.getValueAtIndexOrDefault(this.chart.data.labels, index, this.chart.data.labels[index])
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};
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var circumference = 1 / this.getDataset().data.length * 2;
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var startAngle = (-0.5 * Math.PI) + (Math.PI * circumference) * index;
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var endAngle = startAngle + (circumference * Math.PI);
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console.log()
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helpers.extend(arc, {
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// Utility
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_chart: this.chart.chart,
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_datasetIndex: this.index,
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_index: index,
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// Desired view properties
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_model: reset ? resetModel : {
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x: this.chart.chart.width / 2,
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y: this.chart.chart.height / 2,
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innerRadius: 0,
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outerRadius: this.chart.scale.getDistanceFromCenterForValue(this.getDataset().data[index]),
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startAngle: startAngle,
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endAngle: endAngle,
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backgroundColor: arc.custom && arc.custom.backgroundColor ? arc.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.arc.backgroundColor),
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hoverBackgroundColor: arc.custom && arc.custom.hoverBackgroundColor ? arc.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().hoverBackgroundColor, index, this.chart.options.elements.arc.hoverBackgroundColor),
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borderWidth: arc.custom && arc.custom.borderWidth ? arc.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.arc.borderWidth),
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borderColor: arc.custom && arc.custom.borderColor ? arc.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.arc.borderColor),
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label: helpers.getValueAtIndexOrDefault(this.chart.data.labels, index, this.chart.data.labels[index])
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},
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});
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arc.pivot();
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}, this);
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},
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draw: function(ease) {
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var easingDecimal = ease || 1;
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helpers.each(this.getDataset().metaData, function(arc, index) {
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arc.transition(easingDecimal).draw();
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console.log(arc);
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}, this);
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},
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setHoverStyle: function(arc) {
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var dataset = this.chart.data.datasets[arc._datasetIndex];
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var index = arc._index;
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arc._model.backgroundColor = arc.custom && arc.custom.hoverBackgroundColor ? arc.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.hoverBackgroundColor, index, helpers.color(arc._model.backgroundColor).saturate(0.5).darken(0.1).rgbString());
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arc._model.borderColor = arc.custom && arc.custom.hoverBorderColor ? arc.custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.hoverBorderColor, index, helpers.color(arc._model.borderColor).saturate(0.5).darken(0.1).rgbString());
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arc._model.borderWidth = arc.custom && arc.custom.hoverBorderWidth ? arc.custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.borderWidth, index, arc._model.borderWidth);
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},
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removeHoverStyle: function(arc) {
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var dataset = this.chart.data.datasets[arc._datasetIndex];
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var index = arc._index;
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arc._model.backgroundColor = arc.custom && arc.custom.backgroundColor ? arc.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.arc.backgroundColor);
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arc._model.borderColor = arc.custom && arc.custom.borderColor ? arc.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.arc.borderColor);
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arc._model.borderWidth = arc.custom && arc.custom.borderWidth ? arc.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.arc.borderWidth);
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},
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calculateCircumference: function(value) {
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if (this.getDataset().total > 0) {
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return (Math.PI * 2) * (value / this.getDataset().total);
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} else {
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return 0;
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}
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},
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updateScaleRange: function() {
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helpers.extend(this.scale, {
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helpers.extend(this.chart.scale, {
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size: helpers.min([this.chart.width, this.chart.height]),
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xCenter: this.chart.width / 2,
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yCenter: this.chart.height / 2
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});
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},
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resetElements: function() {
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var circumference = 1 / this.data.datasets[0].data.length * 2;
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// Map new data to data points
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helpers.each(this.data.datasets[0].metaData, function(slice, index) {
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var value = this.data.datasets[0].data[index];
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helpers.extend(slice, {
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_index: index,
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_model: {
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x: this.chart.width / 2,
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y: this.chart.height / 2,
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innerRadius: 0,
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outerRadius: 0,
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startAngle: Math.PI * -0.5,
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endAngle: Math.PI * -0.5,
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backgroundColor: slice.custom && slice.custom.backgroundColor ? slice.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.data.datasets[0].backgroundColor, index, this.options.elements.arc.backgroundColor),
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hoverBackgroundColor: slice.custom && slice.custom.hoverBackgroundColor ? slice.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(this.data.datasets[0].hoverBackgroundColor, index, this.options.elements.arc.hoverBackgroundColor),
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borderWidth: slice.custom && slice.custom.borderWidth ? slice.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.data.datasets[0].borderWidth, index, this.options.elements.arc.borderWidth),
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borderColor: slice.custom && slice.custom.borderColor ? slice.custom.borderColor : helpers.getValueAtIndexOrDefault(this.data.datasets[0].borderColor, index, this.options.elements.arc.borderColor),
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label: helpers.getValueAtIndexOrDefault(this.data.datasets[0].labels, index, this.data.datasets[0].labels[index])
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},
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});
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slice.pivot();
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}, this);
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},
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update: function(animationDuration) {
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this.updateScaleRange();
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this.scale.calculateRange();
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this.scale.generateTicks();
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this.scale.buildYLabels();
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Chart.scaleService.fitScalesForChart(this, this.chart.width, this.chart.height);
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var circumference = 1 / this.data.datasets[0].data.length * 2;
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// Map new data to data points
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helpers.each(this.data.datasets[0].metaData, function(slice, index) {
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var value = this.data.datasets[0].data[index];
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var startAngle = (-0.5 * Math.PI) + (Math.PI * circumference) * index;
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var endAngle = startAngle + (circumference * Math.PI);
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helpers.extend(slice, {
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_index: index,
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_model: {
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x: this.chart.width / 2,
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y: this.chart.height / 2,
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innerRadius: 0,
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outerRadius: this.scale.getDistanceFromCenterForValue(value),
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startAngle: startAngle,
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endAngle: endAngle,
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backgroundColor: slice.custom && slice.custom.backgroundColor ? slice.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.data.datasets[0].backgroundColor, index, this.options.elements.arc.backgroundColor),
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hoverBackgroundColor: slice.custom && slice.custom.hoverBackgroundColor ? slice.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(this.data.datasets[0].hoverBackgroundColor, index, this.options.elements.arc.hoverBackgroundColor),
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borderWidth: slice.custom && slice.custom.borderWidth ? slice.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.data.datasets[0].borderWidth, index, this.options.elements.arc.borderWidth),
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borderColor: slice.custom && slice.custom.borderColor ? slice.custom.borderColor : helpers.getValueAtIndexOrDefault(this.data.datasets[0].borderColor, index, this.options.elements.arc.borderColor),
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label: helpers.getValueAtIndexOrDefault(this.data.datasets[0].labels, index, this.data.datasets[0].labels[index])
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},
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});
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slice.pivot();
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console.log(slice);
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}, this);
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this.render(animationDuration);
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},
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draw: function(ease) {
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var easingDecimal = ease || 1;
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this.clear();
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helpers.each(this.data.datasets[0].metaData, function(slice, index) {
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slice.transition(easingDecimal).draw();
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}, this);
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this.scale.draw();
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this.tooltip.transition(easingDecimal).draw();
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},
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events: function(e) {
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// If exiting chart
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if (e.type == 'mouseout') {
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return this;
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}
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this.lastActive = this.lastActive || [];
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// Find Active Elements
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this.active = function() {
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switch (this.options.hover.mode) {
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case 'single':
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return this.getSliceAtEvent(e);
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case 'label':
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return this.getSlicesAtEvent(e);
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case 'dataset':
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return this.getDatasetAtEvent(e);
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default:
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return e;
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}
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}.call(this);
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// On Hover hook
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if (this.options.hover.onHover) {
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this.options.hover.onHover.call(this, this.active);
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}
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if (e.type == 'mouseup' || e.type == 'click') {
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if (this.options.onClick) {
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this.options.onClick.call(this, e, this.active);
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}
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}
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var dataset;
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var index;
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// Remove styling for last active (even if it may still be active)
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||||
if (this.lastActive.length) {
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switch (this.options.hover.mode) {
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case 'single':
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dataset = this.data.datasets[this.lastActive[0]._datasetIndex];
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index = this.lastActive[0]._index;
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this.lastActive[0]._model.backgroundColor = this.lastActive[0].custom && this.lastActive[0].custom.backgroundColor ? this.lastActive[0].custom.backgroundColor : helpers.getValueAtIndexOrDefault(dataset.backgroundColor, index, this.options.elements.arc.backgroundColor);
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this.lastActive[0]._model.borderColor = this.lastActive[0].custom && this.lastActive[0].custom.borderColor ? this.lastActive[0].custom.borderColor : helpers.getValueAtIndexOrDefault(dataset.borderColor, index, this.options.elements.arc.borderColor);
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this.lastActive[0]._model.borderWidth = this.lastActive[0].custom && this.lastActive[0].custom.borderWidth ? this.lastActive[0].custom.borderWidth : helpers.getValueAtIndexOrDefault(dataset.borderWidth, index, this.options.elements.arc.borderWidth);
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break;
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case 'label':
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for (var i = 0; i < this.lastActive.length; i++) {
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dataset = this.data.datasets[this.lastActive[i]._datasetIndex];
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index = this.lastActive[i]._index;
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||||
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this.lastActive[i]._model.backgroundColor = this.lastActive[i].custom && this.lastActive[i].custom.backgroundColor ? this.lastActive[i].custom.backgroundColor : helpers.getValueAtIndexOrDefault(dataset.backgroundColor, index, this.options.elements.arc.backgroundColor);
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this.lastActive[i]._model.borderColor = this.lastActive[i].custom && this.lastActive[i].custom.borderColor ? this.lastActive[i].custom.borderColor : helpers.getValueAtIndexOrDefault(dataset.borderColor, index, this.options.elements.arc.borderColor);
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this.lastActive[i]._model.borderWidth = this.lastActive[i].custom && this.lastActive[i].custom.borderWidth ? this.lastActive[i].custom.borderWidth : helpers.getValueAtIndexOrDefault(dataset.borderWidth, index, this.options.elements.arc.borderWidth);
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||||
}
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break;
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||||
case 'dataset':
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break;
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||||
default:
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||||
// Don't change anything
|
||||
}
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||||
}
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||||
|
||||
// Built in hover styling
|
||||
if (this.active.length && this.options.hover.mode) {
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||||
switch (this.options.hover.mode) {
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||||
case 'single':
|
||||
dataset = this.data.datasets[this.active[0]._datasetIndex];
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||||
index = this.active[0]._index;
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||||
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||||
this.active[0]._model.radius = this.active[0].custom && this.active[0].custom.hoverRadius ? this.active[0].custom.hoverRadius : helpers.getValueAtIndexOrDefault(dataset.pointHoverRadius, index, this.active[0]._model.radius + 1);
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||||
this.active[0]._model.backgroundColor = this.active[0].custom && this.active[0].custom.hoverBackgroundColor ? this.active[0].custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.color(this.active[0]._model.backgroundColor).saturate(0.5).darken(0.1).rgbString());
|
||||
this.active[0]._model.borderColor = this.active[0].custom && this.active[0].custom.hoverBorderColor ? this.active[0].custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.color(this.active[0]._model.borderColor).saturate(0.5).darken(0.1).rgbString());
|
||||
this.active[0]._model.borderWidth = this.active[0].custom && this.active[0].custom.hoverBorderWidth ? this.active[0].custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.pointBorderWidth, index, this.active[0]._model.borderWidth);
|
||||
break;
|
||||
case 'label':
|
||||
for (var i = 0; i < this.active.length; i++) {
|
||||
dataset = this.data.datasets[this.active[i]._datasetIndex];
|
||||
index = this.active[i]._index;
|
||||
|
||||
this.active[i]._model.radius = this.active[i].custom && this.active[i].custom.hoverRadius ? this.active[i].custom.hoverRadius : helpers.getValueAtIndexOrDefault(dataset.pointHoverRadius, index, this.active[i]._model.radius + 1);
|
||||
this.active[i]._model.backgroundColor = this.active[i].custom && this.active[i].custom.hoverBackgroundColor ? this.active[i].custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.color(this.active[i]._model.backgroundColor).saturate(0.5).darken(0.1).rgbString());
|
||||
this.active[i]._model.borderColor = this.active[i].custom && this.active[i].custom.hoverBorderColor ? this.active[i].custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.color(this.active[i]._model.borderColor).saturate(0.5).darken(0.1).rgbString());
|
||||
this.active[i]._model.borderWidth = this.active[i].custom && this.active[i].custom.hoverBorderWidth ? this.active[i].custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.pointBorderWidth, index, this.active[i]._model.borderWidth);
|
||||
}
|
||||
break;
|
||||
case 'dataset':
|
||||
break;
|
||||
default:
|
||||
// Don't change anything
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// Built in Tooltips
|
||||
if (this.options.tooltips.enabled) {
|
||||
|
||||
// The usual updates
|
||||
this.tooltip.initialize();
|
||||
|
||||
// Active
|
||||
if (this.active.length) {
|
||||
this.tooltip._model.opacity = 1;
|
||||
|
||||
helpers.extend(this.tooltip, {
|
||||
_active: this.active,
|
||||
});
|
||||
|
||||
this.tooltip.update();
|
||||
} else {
|
||||
// Inactive
|
||||
this.tooltip._model.opacity = 0;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// Hover animations
|
||||
this.tooltip.pivot();
|
||||
|
||||
if (!this.animating) {
|
||||
var changed;
|
||||
|
||||
helpers.each(this.active, function(element, index) {
|
||||
if (element !== this.lastActive[index]) {
|
||||
changed = true;
|
||||
}
|
||||
}, this);
|
||||
|
||||
// If entering, leaving, or changing elements, animate the change via pivot
|
||||
if ((!this.lastActive.length && this.active.length) ||
|
||||
(this.lastActive.length && !this.active.length) ||
|
||||
(this.lastActive.length && this.active.length && changed)) {
|
||||
|
||||
this.stop();
|
||||
this.render(this.options.hover.animationDuration);
|
||||
}
|
||||
}
|
||||
|
||||
// Remember Last Active
|
||||
this.lastActive = this.active;
|
||||
return this;
|
||||
},
|
||||
getSliceAtEvent: function(e) {
|
||||
var elements = [];
|
||||
|
||||
var location = helpers.getRelativePosition(e);
|
||||
|
||||
this.eachElement(function(slice, index) {
|
||||
if (slice.inRange(location.x, location.y)) {
|
||||
elements.push(slice);
|
||||
}
|
||||
}, this);
|
||||
return elements;
|
||||
},
|
||||
/*getSlicesAtEvent: function(e) {
|
||||
var elements = [];
|
||||
|
||||
var location = helpers.getRelativePosition(e);
|
||||
|
||||
this.eachElement(function(slice, index) {
|
||||
if (slice.inLabelRange(location.x, location.y)) {
|
||||
elements.push(slice);
|
||||
}
|
||||
}, this);
|
||||
return elements;
|
||||
},*/
|
||||
});
|
||||
|
||||
|
||||
|
||||
return;
|
||||
|
||||
|
||||
Chart.Type.extend({});
|
||||
|
||||
}).call(this);
|
||||
|
||||
Reference in New Issue
Block a user