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Make bar styling options scriptable (chartjs#5780)
The bar `backgroundColor`, `borderColor`, `borderWidth` and `borderSkipped` options are now scriptable (unit tests, docs and a basic sample). Also fix the gulp task that generates the documentation on Windows.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| <!DOCTYPE html> | ||
| <html lang="en-US"> | ||
| <head> | ||
| <meta charset="utf-8"> | ||
| <meta http-equiv="X-UA-Compatible" content="IE=Edge"> | ||
| <meta name="viewport" content="width=device-width, initial-scale=1"> | ||
| <title>Scriptable > Bar | Chart.js sample</title> | ||
| <link rel="stylesheet" type="text/css" href="../style.css"> | ||
| <script src="../../dist/Chart.js"></script> | ||
| <script src="../utils.js"></script> | ||
| </head> | ||
| <body> | ||
| <div class="content"> | ||
| <div class="wrapper"><canvas id="chart-0"></canvas></div> | ||
| <div class="toolbar"> | ||
| <button onclick="randomize(this)">Randomize</button> | ||
| <button onclick="addDataset(this)">Add Dataset</button> | ||
| <button onclick="removeDataset(this)">Remove Dataset</button> | ||
| </div> | ||
| </div> | ||
|
|
||
| <script> | ||
| var DATA_COUNT = 16; | ||
|
|
||
| var utils = Samples.utils; | ||
|
|
||
| utils.srand(110); | ||
|
|
||
| function colorize(opaque, ctx) { | ||
| var v = ctx.dataset.data[ctx.dataIndex]; | ||
| var c = v < -50 ? '#D60000' | ||
| : v < 0 ? '#F46300' | ||
| : v < 50 ? '#0358B6' | ||
| : '#44DE28'; | ||
|
|
||
| return opaque ? c : utils.transparentize(c, 1 - Math.abs(v / 150)); | ||
| } | ||
|
|
||
| function generateData() { | ||
| return utils.numbers({ | ||
| count: DATA_COUNT, | ||
| min: -100, | ||
| max: 100 | ||
| }); | ||
| } | ||
|
|
||
| var data = { | ||
| labels: utils.months({count: DATA_COUNT}), | ||
| datasets: [{ | ||
| data: generateData() | ||
| }] | ||
| }; | ||
|
|
||
| var options = { | ||
| legend: false, | ||
| tooltips: false, | ||
| elements: { | ||
| rectangle: { | ||
| backgroundColor: colorize.bind(null, false), | ||
| borderColor: colorize.bind(null, true), | ||
| borderWidth: 2 | ||
| } | ||
| } | ||
| }; | ||
|
|
||
| var chart = new Chart('chart-0', { | ||
| type: 'bar', | ||
| data: data, | ||
| options: options | ||
| }); | ||
|
|
||
| // eslint-disable-next-line no-unused-vars | ||
| function randomize() { | ||
| chart.data.datasets.forEach(function(dataset) { | ||
| dataset.data = generateData(); | ||
| }); | ||
| chart.update(); | ||
| } | ||
|
|
||
| // eslint-disable-next-line no-unused-vars | ||
| function addDataset() { | ||
| chart.data.datasets.push({ | ||
| data: generateData() | ||
| }); | ||
| chart.update(); | ||
| } | ||
|
|
||
| // eslint-disable-next-line no-unused-vars | ||
| function removeDataset() { | ||
| chart.data.datasets.shift(); | ||
| chart.update(); | ||
| } | ||
| </script> | ||
| </body> | ||
| </html> |
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