spip_nursit/lib/chartjs/samples/charts/area/analyser.js
2023-06-01 17:30:12 +02:00

66 lines
1.4 KiB
JavaScript

/* 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>';
}
return '<tr>' + row + '</tr>';
}).join('') + '</table>';
}
});
}());