ABPCMS.Web/lib/chart.js/src/controllers/controller.doughnut.js

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'use strict';

module.exports = function(Chart) {

	var helpers = Chart.helpers,
		defaults = Chart.defaults;

	defaults.doughnut = {
		animation: {
			// Boolean - Whether we animate the rotation of the Doughnut
			animateRotate: true,
			// Boolean - Whether we animate scaling the Doughnut from the centre
			animateScale: false
		},
		aspectRatio: 1,
		hover: {
			mode: 'single'
		},
		legendCallback: function(chart) {
			var text = [];
			text.push('<ul class="' + chart.id + '-legend">');

			var data = chart.data;
			var datasets = data.datasets;
			var labels = data.labels;

			if (datasets.length) {
				for (var i = 0; i < datasets[0].data.length; ++i) {
					text.push('<li><span style="background-color:' + datasets[0].backgroundColor[i] + '"></span>');
					if (labels[i]) {
						text.push(labels[i]);
					}
					text.push('</li>');
				}
			}

			text.push('</ul>');
			return text.join('');
		},
		legend: {
			labels: {
				generateLabels: function(chart) {
					var data = chart.data;
					if (data.labels.length && data.datasets.length) {
						return data.labels.map(function(label, i) {
							var meta = chart.getDatasetMeta(0);
							var ds = data.datasets[0];
							var arc = meta.data[i];
							var custom = arc && arc.custom || {};
							var getValueAtIndexOrDefault = helpers.getValueAtIndexOrDefault;
							var arcOpts = chart.options.elements.arc;
							var fill = custom.backgroundColor ? custom.backgroundColor : getValueAtIndexOrDefault(ds.backgroundColor, i, arcOpts.backgroundColor);
							var stroke = custom.borderColor ? custom.borderColor : getValueAtIndexOrDefault(ds.borderColor, i, arcOpts.borderColor);
							var bw = custom.borderWidth ? custom.borderWidth : getValueAtIndexOrDefault(ds.borderWidth, i, arcOpts.borderWidth);

							return {
								text: label,
								fillStyle: fill,
								strokeStyle: stroke,
								lineWidth: bw,