React PieChart - Show and Hide a Point
The PieChart provides an API for showing and hiding a series point at runtime. This API is commonly used to show or hide a series point when a user clicks the chart legend. You need to handle the legendClick event as shown below to implement this scenario. The isVisible(), hide() and show() are Point object methods.
App.vue
- <template>
- <DxPieChart
- @legend-click="onLegendClick">
- </DxPieChart>
- </template>
- <script>
- import DxPieChart from 'devextreme-vue/pie-chart';
- export default {
- components: {
- DxPieChart
- },
- methods: {
- onLegendClick({ points }) {
- // for a single-series PieChart
- points[0].isVisible() ? points[0].hide() : points[0].show();
- /* for a multi-series PieChart
- points.forEach(function (point) {
- point.isVisible() ? point.hide() : point.show();
- });
- */
- }
- }
- }
- </script>
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