ABPCMS.Web/lib/chart.js/samples/charts/area/analyser.js

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/* global Chart */

'use strict';

(function() {
	Chart.plugins.register({
		id: 'samples_filler_analyser',

		beforeInit: function(chart, options) {
			this.element = document.getElementById(options.target);
		},

		afterUpdate: function(chart) {
			var datasets = chart.data.datasets;
			var element = this.element;
			var stats = [];
			var meta, i, ilen, dataset;

			if (!element) {
				return;
			}

			for (i=0, ilen=datasets.length; i<ilen; ++i) {
				meta = chart.getDatasetMeta(i).$filler;
				if (meta) {
					dataset = datasets[i];
					stats.push({
						fill: dataset.fill,
						target: meta.fill,
						visible: meta.visible,
						index: i
					});
				}
			}

			this.element.innerHTML = '<table>' +
				'<tr>' +
					'<th>Dataset</th>' +
					'<th>Fill</th>' +
					'<th>Target (visibility)</th>' +
				'</tr>' +
				stats.map(function(stat) {
					var target = stat.target;
					var row =
						'<td><b>' + stat.index + '</b></td>' +
						'<td>' + JSON.stringify(stat.fill) + '</td>';

					if (target === false) {
						target = 'none';
					} else if (isFinite(target)) {
						target = 'dataset ' + target;
					} else {
						target = 'boundary "' + target + '"';
					}

					if (stat.visible) {
						row += '<td>' + target + '</td>';
					} else {
						row += '<td>(hidden)</td>';
					}