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    Charts

    Selection

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    This demo illustrates the use of the pointClick callback function to implement selection in the Chart component. The selectionMode of the series is set to «allArgumentPoints», which means that when a user selects a point, other points with the same argument also become selected.

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    const DemoApp = angular.module('DemoApp', ['dx']); DemoApp.controller('DemoController', ($scope) => { $scope.chartOptions = { rotated: true, dataSource, commonSeriesSettings: { argumentField: 'country', type: 'bar', hoverMode: 'allArgumentPoints', selectionMode: 'allArgumentPoints', label: { visible: true, format: { type: 'percent', precision: 1, }, }, }, valueAxis: { label: { format: { type: 'percent', precision: 1, }, }, }, series: [ { valueField: 'year2007', name: '2007 - 2008' }, { valueField: 'year2008', name: '2008 - 2009' }, ], title: { text: 'Economy - Export Change', }, legend: { verticalAlignment: 'bottom', horizontalAlignment: 'center', }, export: { enabled: true, }, onPointClick(e) { e.target.select(); }, onLegendClick(e) { const series = e.target; if (series.isVisible()) { series.hide(); } else { series.show(); } }, }; });
    <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <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" /> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> <script>window.jQuery || document.write(decodeURIComponent('%3Cscript src="js/jquery.min.js"%3E%3C/script%3E'))</script> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/22.2.6/css/dx.light.css" /> <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.8.2/angular.min.js"></script> <script>window.angular || document.write(decodeURIComponent('%3Cscript src="js/angular.min.js"%3E%3C/script%3E'))</script> <script src="https://cdn3.devexpress.com/jslib/22.2.6/js/dx.all.js"></script> <script src="data.js"></script> <link rel="stylesheet" type="text/css" href="styles.css" /> <script src="index.js"></script> </head> <body class="dx-viewport"> <div class="demo-container" ng-app="DemoApp" ng-controller="DemoController"> <div id="chart" dx-chart="chartOptions"></div> </div> </body> </html>
    #chart { height: 440px; }
    const dataSource = [{ country: 'China', year2007: 0.18265, year2008: -0.16682, }, { country: 'Germany', year2007: 0.10467, year2008: -0.20165, }, { country: 'United States', year2007: 0.1232, year2008: -0.17994, }, { country: 'Japan', year2007: 0.10868, year2008: -0.25622, }, { country: 'France', year2007: 0.09526, year2008: -0.23631, }, { country: 'Netherlands', year2007: 0.14402, year2008: -0.21923, }];