Vue Charts - Point Selection API

This demo shows how easily you can access a necessary chart series and select a specific point in it using the API.

Backend API

<template> <DxChart id="chart" :data-source="catBreedsData" :rotated="true" title="Most Popular US Cat Breeds" @done="onDone" @point-click="onPointClick" > <DxCommonSeriesSettings argument-field="breed" type="bar" /> <DxSeries value-field="count" name="breeds" color="#a3d6d2" > <DxSelectionStyle color="#ec2e7a"> <DxHatching direction="none"/> </DxSelectionStyle> </DxSeries> <DxLegend :visible="false"/> <DxExport :enabled="true"/> </DxChart> </template> <script setup lang="ts"> import { DxChart, DxCommonSeriesSettings, DxSeries, DxSelectionStyle, DxHatching, DxLegend, DxExport, type DxChartTypes, } from 'devextreme-vue/chart'; import { catBreedsData } from './data.ts'; function onDone({ component }: DxChartTypes.DoneEvent): void { component.getSeriesByPos(0).getPointsByArg('Siamese')[0].select(); } function onPointClick(e: DxChartTypes.PointClickEvent) { const point = e.target; if (point.isSelected()) { point.clearSelection(); } else { point.select(); } } </script> <style> #chart { height: 440px; } </style>

export const catBreedsData = [{ breed: 'Domestic Shorthair', count: 62942, }, { breed: 'American Shorthair', count: 38287, }, { breed: 'Domestic Medium Hair', count: 15652, }, { breed: 'Domestic Long Hair', count: 13670, }, { breed: 'Siamese', count: 13377, }, { breed: 'Maine Coon', count: 11254, }, { breed: 'Persian', count: 7198, }, { breed: 'Russian Blue', count: 3569, }, { breed: 'Himalayan', count: 3755, }, { breed: 'Ragdoll', count: 3426, }, { breed: 'Bengal', count: 2966, }, { breed: 'Manx', count: 2391, }, { breed: 'British Shorthair', count: 2329, }, { breed: 'Norwegian Forest Cat', count: 1817, }, { breed: 'Bombay', count: 1486, }];

import { createApp } from 'vue'; import App from './App.vue'; createApp(App).mount('#app');

<!DOCTYPE html> <html lang="en"> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=5.0" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/26.1.5/css/dx.light.css" /> <link rel="stylesheet" type="text/css" href="./bundle.css" /> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"> </div> </div> <script src="bundles/vendor/vue.vendor.js"></script> <script src="./bundle.js"></script> </body> </html>