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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 widget. 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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window.onload = function() { var viewModel = { chartOptions: { rotated: true, dataSource: 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: function(e) { e.target.select(); }, onLegendClick: function(e) { var series = e.target; if(series.isVisible()) { series.hide(); } else { series.show(); } } } }; ko.applyBindings(viewModel, document.getElementById("chart-demo")); };
<!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="js/jquery-3.1.0.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.4.0/knockout-min.js"></script> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/17.1.6/css/dx.spa.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/17.1.6/css/dx.common.css" /> <link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/17.1.6/css/dx.light.css" /> <script src="https://cdn3.devexpress.com/jslib/17.1.6/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"> <div id="chart-demo"> <div id="chart" data-bind="dxChart: chartOptions"></div> </div> </div> </body> </html>
#chart { height: 440px; }
var dataSource = [{ country: "China", year2007: 0.1732, year2008: -0.1588 }, { country: "Germany", year2007: 0.0964, year2008: -0.2231 }, { country: "United States", year2007: 0.1187, year2008: -0.1878 }, { country: "Japan", year2007: 0.1081, year2008: -0.2614 }, { country: "France", year2007: 0.1014, year2008: -0.2222 }, { country: "Netherlands", year2007: 0.1355, year2008: -0.2015 }];