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https://github.com/chartjs/Chart.js.git
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More donut improvements
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@ -20,11 +20,15 @@ module.exports = function(Chart) {
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var text = [];
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text.push('<ul class="' + chart.id + '-legend">');
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if (chart.data.datasets.length) {
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for (var i = 0; i < chart.data.datasets[0].data.length; ++i) {
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text.push('<li><span style="background-color:' + chart.data.datasets[0].backgroundColor[i] + '"></span>');
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if (chart.data.labels[i]) {
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text.push(chart.data.labels[i]);
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var data = chart.data;
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var datasets = data.datasets;
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var labels = data.labels;
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if (datasets.length) {
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for (var i = 0; i < datasets[0].data.length; ++i) {
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text.push('<li><span style="background-color:' + datasets[0].backgroundColor[i] + '"></span>');
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if (labels[i]) {
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text.push(labels[i]);
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}
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text.push('</li>');
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}
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@ -42,9 +46,12 @@ module.exports = function(Chart) {
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var meta = chart.getDatasetMeta(0);
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var ds = data.datasets[0];
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var arc = meta.data[i];
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var fill = arc.custom && arc.custom.backgroundColor ? arc.custom.backgroundColor : helpers.getValueAtIndexOrDefault(ds.backgroundColor, i, this.chart.options.elements.arc.backgroundColor);
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var stroke = arc.custom && arc.custom.borderColor ? arc.custom.borderColor : helpers.getValueAtIndexOrDefault(ds.borderColor, i, this.chart.options.elements.arc.borderColor);
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var bw = arc.custom && arc.custom.borderWidth ? arc.custom.borderWidth : helpers.getValueAtIndexOrDefault(ds.borderWidth, i, this.chart.options.elements.arc.borderWidth);
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var custom = arc.custom;
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var getValueAtIndexOrDefault = helpers.getValueAtIndexOrDefault;
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var arcOpts = chart.options.elements.arc;
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var fill = custom && custom.backgroundColor ? custom.backgroundColor : getValueAtIndexOrDefault(ds.backgroundColor, i, arcOpts.backgroundColor);
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var stroke = custom && custom.borderColor ? custom.borderColor : getValueAtIndexOrDefault(ds.borderColor, i, arcOpts.borderColor);
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var bw = custom && custom.borderWidth ? custom.borderWidth : getValueAtIndexOrDefault(ds.borderWidth, i, arcOpts.borderWidth);
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return {
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text: label,
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@ -56,7 +63,7 @@ module.exports = function(Chart) {
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// Extra data used for toggling the correct item
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index: i
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};
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}, this);
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});
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} else {
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return [];
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}
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@ -110,32 +117,34 @@ module.exports = function(Chart) {
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linkScales: helpers.noop,
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addElements: function() {
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var _this = this;
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var meta = this.getMeta(),
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data = meta.data;
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helpers.each(this.getDataset().data, function(value, index) {
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helpers.each(_this.getDataset().data, function(value, index) {
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data[index] = data[index] || new Chart.elements.Arc({
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_chart: this.chart.chart,
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_datasetIndex: this.index,
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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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},
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addElementAndReset: function(index, colorForNewElement) {
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var _this = this;
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var arc = new Chart.elements.Arc({
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_chart: this.chart.chart,
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_datasetIndex: this.index,
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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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ds = this.getDataset();
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ds = _this.getDataset();
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if (colorForNewElement && helpers.isArray(ds.backgroundColor)) {
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ds.backgroundColor.splice(index, 0, colorForNewElement);
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}
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// Add to the points array and reset it
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this.getMeta().data.splice(index, 0, arc);
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this.updateElement(arc, index, true);
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_this.getMeta().data.splice(index, 0, arc);
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_this.updateElement(arc, index, true);
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},
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// Get index of the dataset in relation to the visible datasets. This allows determining the inner and outer radius correctly
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@ -152,7 +161,8 @@ module.exports = function(Chart) {
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},
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update: function update(reset) {
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var chart = this.chart,
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var _this = this;
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var chart = _this.chart,
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chartArea = chart.chartArea,
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opts = chart.options,
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arcOpts = opts.elements.arc,
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@ -163,7 +173,7 @@ module.exports = function(Chart) {
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x: 0,
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y: 0
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},
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meta = this.getMeta(),
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meta = _this.getMeta(),
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cutoutPercentage = opts.cutoutPercentage,
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circumference = opts.circumference;
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@ -192,18 +202,19 @@ module.exports = function(Chart) {
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chart.offsetX = offset.x * chart.outerRadius;
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chart.offsetY = offset.y * chart.outerRadius;
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meta.total = this.calculateTotal();
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meta.total = _this.calculateTotal();
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this.outerRadius = chart.outerRadius - (chart.radiusLength * this.getRingIndex(this.index));
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this.innerRadius = this.outerRadius - chart.radiusLength;
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_this.outerRadius = chart.outerRadius - (chart.radiusLength * _this.getRingIndex(_this.index));
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_this.innerRadius = _this.outerRadius - chart.radiusLength;
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helpers.each(meta.data, function(arc, index) {
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this.updateElement(arc, index, reset);
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}, this);
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_this.updateElement(arc, index, reset);
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});
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},
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updateElement: function(arc, index, reset) {
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var chart = this.chart,
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var _this = this;
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var chart = _this.chart,
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chartArea = chart.chartArea,
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opts = chart.options,
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animationOpts = opts.animation,
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@ -212,17 +223,17 @@ module.exports = function(Chart) {
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centerY = (chartArea.top + chartArea.bottom) / 2,
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startAngle = opts.rotation, // non reset case handled later
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endAngle = opts.rotation, // non reset case handled later
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dataset = this.getDataset(),
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circumference = reset && animationOpts.animateRotate ? 0 : arc.hidden ? 0 : this.calculateCircumference(dataset.data[index]) * (opts.circumference / (2.0 * Math.PI)),
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innerRadius = reset && animationOpts.animateScale ? 0 : this.innerRadius,
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outerRadius = reset && animationOpts.animateScale ? 0 : this.outerRadius,
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dataset = _this.getDataset(),
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circumference = reset && animationOpts.animateRotate ? 0 : arc.hidden ? 0 : _this.calculateCircumference(dataset.data[index]) * (opts.circumference / (2.0 * Math.PI)),
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innerRadius = reset && animationOpts.animateScale ? 0 : _this.innerRadius,
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outerRadius = reset && animationOpts.animateScale ? 0 : _this.outerRadius,
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custom = arc.custom,
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valueAtIndexOrDefault = helpers.getValueAtIndexOrDefault;
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helpers.extend(arc, {
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// Utility
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_chart: chart.chart,
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_datasetIndex: this.index,
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_datasetIndex: _this.index,
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_index: index,
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// Desired view properties
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@ -249,7 +260,7 @@ module.exports = function(Chart) {
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if (index === 0) {
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model.startAngle = opts.rotation;
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} else {
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model.startAngle = this.getMeta().data[index - 1]._model.endAngle;
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model.startAngle = _this.getMeta().data[index - 1]._model.endAngle;
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}
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model.endAngle = model.startAngle + model.circumference;
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