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Line Charts

Hover Mode

Documentation

The Chart and PieChart widgets support different modes of series hovering. This demo shows the «includePoints» mode, when all the points of a hovered series change their display style. In addition, you can specify a custom hover mode for legend items. Here, the «excludePoints» mode is used, when only the series line changes its display style leaving the points as they were.

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<template> <dx-chart id="chart" :data-source="grossProductData" :sticky-hovering="false" title="Great Lakes Gross State Product" > <dx-common-series-settings type="spline" argument-field="state" hover-mode="includePoints" > <dx-point hover-mode="allArgumentPoints"/> </dx-common-series-settings> <dx-series v-for="year in yearSources" :key="year.value" :value-field="year.value" :name="year.name" /> <dx-legend vertical-alignment="bottom" horizontal-alignment="center" hover-mode="excludePoints" /> <dx-export :enabled="true"/> </dx-chart> </template> <script> import { DxChart, DxCommonSeriesSettings, DxSeries, DxExport, DxLegend, DxPoint } from 'devextreme-vue/chart'; import { yearSources, grossProductData } from './data.js'; export default { components: { DxChart, DxCommonSeriesSettings, DxSeries, DxExport, DxLegend, DxPoint }, data() { return { yearSources, grossProductData }; } }; </script> <style> #chart { height: 440px; } </style>
import Vue from 'vue'; import App from './App.vue'; new Vue({ el: '#app', components: { App }, template: '<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/19.2.4/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.4/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 yearSources = [ { value: 'year2004', name: '2004' }, { value: 'year2001', name: '2001' }, { value: 'year1998', name: '1998' } ]; export const grossProductData = [{ state: 'Illinois', year1998: 423.721, year2001: 476.851, year2004: 528.904 }, { state: 'Indiana', year1998: 178.719, year2001: 195.769, year2004: 227.271 }, { state: 'Michigan', year1998: 308.845, year2001: 335.793, year2004: 372.576 }, { state: 'Ohio', year1998: 348.555, year2001: 374.771, year2004: 418.258 }, { state: 'Wisconsin', year1998: 160.274, year2001: 182.373, year2004: 211.727 }];
System.config({ transpiler: 'plugin-babel', paths: { 'npm:': 'https://unpkg.com/' }, map: { vue: 'npm:vue@2.6.3/dist/vue.esm.browser.js', 'vue-loader': 'npm:dx-systemjs-vue-browser@latest/index.js', 'devextreme': 'npm:devextreme@19.2', 'devextreme-vue': 'npm:devextreme-vue@19.2', jszip: 'npm:jszip@3.1.3/dist/jszip.min.js', 'quill': 'npm:quill@1.3.7/dist/quill.js', 'devexpress-diagram': 'npm:devexpress-diagram', 'devexpress-gantt': 'npm:devexpress-gantt', 'plugin-babel': 'npm:systemjs-plugin-babel@0/plugin-babel.js', 'systemjs-babel-build': 'npm:systemjs-plugin-babel@0/systemjs-babel-browser.js' }, meta: { '*.vue': { loader: 'vue-loader' } }, packages: { 'devextreme-vue': { main: 'index.js' }, 'devextreme': { defaultExtension: 'js' } }, babelOptions: { sourceMaps: false, stage0: true } });