Vue Charts - Multiple Point Selection

This demo illustrates the use of multi-point selection within the Chart component.

www.wikipedia.org

Backend API

<template> <DxChart id="chart" :data-source="medalStatistics" :rotated="true" point-selection-mode="multiple" title="Olympic Medals in 2024" @point-click="onPointClick" > <DxCommonSeriesSettings argument-field="country" type="stackedbar" > <DxSelectionStyle> <DxHatching direction="left"/> </DxSelectionStyle> </DxCommonSeriesSettings> <DxSeries v-for="medal in medalSources" :key="medal.value" :value-field="medal.value" :name="medal.name" :color="medal.color" /> <DxLegend vertical-alignment="bottom" horizontal-alignment="center" /> <DxExport :enabled="true"/> </DxChart> </template> <script setup lang="ts"> import DxChart, { DxCommonSeriesSettings, DxSelectionStyle, DxHatching, DxSeries, DxLegend, DxExport, type DxChartTypes, } from 'devextreme-vue/chart'; import { medalSources, medalStatistics } from './data.ts'; function onPointClick(e: DxChartTypes.PointClickEvent): void { if (e.target.isSelected()) { e.target.clearSelection(); } else { e.target.select(); } } </script> <style> #chart { height: 440px; } </style>

export const medalSources = [ { value: 'gold', name: 'Gold Medals', color: '#ffd700' }, { value: 'silver', name: 'Silver Medals', color: '#c0c0c0' }, { value: 'bronze', name: 'Bronze Medals', color: '#cd7f32' }, ]; export const medalStatistics = [{ country: 'USA', gold: 40, silver: 44, bronze: 42, }, { country: 'Japan', gold: 20, silver: 12, bronze: 13, }, { country: 'Australia', gold: 18, silver: 19, bronze: 16, }, { country: 'France', gold: 16, silver: 26, bronze: 22, }, { country: 'Great Britain', gold: 14, silver: 22, bronze: 29, }, { country: 'Italy', gold: 12, silver: 13, bronze: 15, }];

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>