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Gauges

Variable Number of Bars

API Reference
This demo illustrates the capability of dxBarGauge to change the number of indicated values at runtime. It is performed by calling the values() method of a gauge instance with a new array of values passed as its parameter.
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$(function(){ var productsToValues = function (){ return $.map(products, function (item){ return item.active ? item.count : null; }); }; var gauge = $("#gauge").dxBarGauge({ startValue: 0, endValue: 50, values: productsToValues(), label: { format: { type: "fixedPoint", precision: 0 } } }).dxBarGauge("instance"); $("#panel").append($.map(products, function (product) { return $("<div></div>").dxCheckBox({ value: product.active, text: product.name, onValueChanged: function(data) { product.active = data.value; gauge.values(productsToValues()); } }); })); });
<!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> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/16.2.4/css/dx.spa.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/16.2.4/css/dx.common.css" /> <link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/16.2.4/css/dx.light.css" /> <script src="https://cdn3.devexpress.com/jslib/16.2.4/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 class="long-title"><h3>Sampling by Goods</h3></div> <div id="gauge-demo"> <div id="gauge"></div> <div id="panel"></div> </div> </div> </body> </html>
#gauge-demo { height: 440px; width: 100%; } #gauge { width: 80%; height: 100%; margin-top: 20px; float: left; } #panel { width: 150px; text-align: left; margin-top: 20px; float: left; } .dx-checkbox { margin-bottom: 5px; } .long-title h3 { font-family: 'Segoe UI Light', 'Helvetica Neue Light', 'Segoe UI', 'Helvetica Neue', 'Trebuchet MS', Verdana; font-weight: 200; font-size: 28px; text-align: center; margin-bottom: 20px; }
var products = [{ name: 'Hummers', count: 41, active: true }, { name: 'Shovers', count: 32, active: true }, { name: 'Ladders', count: 13, active: true }, { name: 'Watering cans', count: 48, active: true }, { name: 'Screwdrivers', count: 24, active: true }, { name: 'Nail pullers', count: 8, active: true }, { name: 'Drills', count: 19, active: true }];