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70 lines
1.6 KiB
Markdown
70 lines
1.6 KiB
Markdown
# Point Style
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This sample show how to use the dataset point style in the legend instead of a rectangle to identify each dataset..
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```js chart-editor
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// <block:actions:2>
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const actions = [
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{
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name: 'Toggle Point Style',
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handler(chart) {
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chart.options.plugins.legend.labels.usePointStyle = !chart.options.plugins.legend.labels.usePointStyle;
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chart.update();
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}
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},
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];
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// </block:actions>
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// <block:setup:1>
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const DATA_COUNT = 7;
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const NUMBER_CFG = {count: DATA_COUNT, min: -100, max: 100};
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const data = {
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labels: Utils.months({count: DATA_COUNT}),
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datasets: [
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{
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label: 'Dataset 1',
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data: Utils.numbers(NUMBER_CFG),
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fill: false,
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borderColor: Utils.CHART_COLORS.red,
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backgroundColor: Utils.transparentize(Utils.CHART_COLORS.red, 0.5),
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borderWidth: 1,
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pointStyle: 'rectRot',
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pointRadius: 5,
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pointBorderColor: 'rgb(0, 0, 0)'
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},
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]
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};
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// </block:setup>
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// <block:config:0>
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const config = {
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type: 'line',
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data: data,
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options: {
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plugins: {
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legend: {
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labels: {
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usePointStyle: true,
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},
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}
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}
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}
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};
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// </block:config>
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module.exports = {
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actions: actions,
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config: config,
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};
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```
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## Docs
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* [Data structures (`labels`)](../../general/data-structures.html)
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* [Line](../../charts/line.html)
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* [Legend](../../configuration/legend.html)
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* [Legend Label Configuration](../../configuration/legend.html#legend-label-configuration)
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* `usePointStyle`
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* [Elements](../../configuration/elements.html)
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* [Point Configuration](../../configuration/elements.html#point-configuration)
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* [Point Styles](../../configuration/elements.html#point-styles)
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