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Charts

API - Select a Point

Documentation

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

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<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> import DxChart, { DxCommonSeriesSettings, DxSelectionStyle, DxHatching, DxSeries, DxLegend, DxExport, } from 'devextreme-vue/chart'; import { catBreedsData } from './data.js'; export default { components: { DxChart, DxCommonSeriesSettings, DxSelectionStyle, DxHatching, DxSeries, DxLegend, DxExport, }, data() { return { catBreedsData, }; }, methods: { onDone({ component }) { component.getSeriesByPos(0).getPointsByArg('Siamese')[0].select(); }, onPointClick({ target: point }) { if (point.isSelected()) { point.clearSelection(); } else { point.select(); } }, }, }; </script> <style> #chart { height: 440px; } </style>
import { createApp } from 'vue'; import App from './App.vue'; createApp(App).mount('#app');
<!DOCTYPE html> <html> <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=1.0" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/22.1.5/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/22.1.5/css/dx.light.css" /> <script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script> <script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script> <script type="text/javascript" src="config.js"></script> <script type="text/javascript"> System.import("./index.js"); </script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="app"> </div> </div> </body> </html>
export const catBreedsData = [{ breed: 'Domestic Shorthair', count: 61046, }, { breed: 'American Shorthair', count: 37545, }, { breed: 'Domestic Medium Hair', count: 16776, }, { breed: 'Domestic Long Hair', count: 15049, }, { breed: 'Siamese', count: 14582, }, { breed: 'Maine Coon', count: 10852, }, { breed: 'Persian', count: 6717, }, { breed: 'Russian Blue', count: 3864, }, { breed: 'Himalayan', count: 3701, }, { breed: 'Ragdoll', count: 3567, }, { breed: 'Bengal', count: 3118, }, { breed: 'Manx', count: 2349, }, { breed: 'British Shorthair', count: 2171, }, { breed: 'Norwegian Forest Cat', count: 1827, }, { breed: 'Bombay', count: 1580, }];
window.config = { transpiler: 'plugin-babel', meta: { '*.vue': { loader: 'vue-loader', }, 'devextreme/localization.js': { 'esModule': true, }, }, paths: { 'npm:': 'https://unpkg.com/', }, map: { 'vue': 'npm:vue@3.0.0/dist/vue.esm-browser.js', 'vue-loader': 'npm:dx-systemjs-vue-browser@1.0.15/index.js', 'mitt': 'npm:mitt/dist/mitt.umd.js', 'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js', 'luxon': 'npm:luxon@1.28.0/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign@1.1.0', 'devextreme': 'npm:devextreme@22.1.5/cjs', 'devextreme-vue': 'npm:devextreme-vue@22.1.5', 'jszip': 'npm:jszip@3.7.1/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@1.5.16/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.1.63/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@4.1.32/dist/dx-gantt.js', '@devextreme/runtime': 'npm:@devextreme/runtime@3.0.11', 'inferno': 'npm:inferno@7.4.4/dist/inferno.min.js', 'inferno-compat': 'npm:inferno-compat@7.4.11/dist/inferno-compat.min.js', 'inferno-create-element': 'npm:inferno-create-element@7.4.11/dist/inferno-create-element.min.js', 'inferno-dom': 'npm:inferno-dom/dist/inferno-dom.min.js', 'inferno-hydrate': 'npm:inferno-hydrate@7.4.11/dist/inferno-hydrate.min.js', 'inferno-clone-vnode': 'npm:inferno-clone-vnode@7.4.11/dist/inferno-clone-vnode.min.js', 'inferno-create-class': 'npm:inferno-create-class@7.4.11/dist/inferno-create-class.min.js', 'inferno-extras': 'npm:inferno-extras@7.4.11/dist/inferno-extras.min.js', 'plugin-babel': 'npm:systemjs-plugin-babel@0.0.25/plugin-babel.js', 'systemjs-babel-build': 'npm:systemjs-plugin-babel@0.0.25/systemjs-babel-browser.js', // Prettier 'prettier/standalone': 'npm:prettier@2.7.1/standalone.js', 'prettier/parser-html': 'npm:prettier@2.7.1/parser-html.js', }, packages: { 'devextreme-vue': { main: 'index.js', }, 'devextreme': { defaultExtension: 'js', }, 'devextreme/events/utils': { main: 'index', }, 'devextreme/events': { main: 'index', }, 'es6-object-assign': { main: './index.js', defaultExtension: 'js', }, }, packageConfigPaths: [ 'npm:@devextreme/*/package.json', 'npm:@devextreme/runtime@3.0.11/inferno/package.json', ], babelOptions: { sourceMaps: false, stage0: true, }, }; System.config(window.config);