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    Range Selector

    Use Range Selection for Calculation

    Documentation

    The RangeSelector widget allows you to handle changes of the currently selected range. For this purpose, the callback function is specified in the onValueChanged option. Select the function’s call mode using the «Handle Range Changes» drop-down menu.

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    var DemoApp = angular.module('DemoApp', ['dx']); DemoApp.controller('DemoController', function DemoController($scope) { $scope.workingDaysCount = 260; $scope.behavior = { callValueChanged: "onMoving" }; $scope.rangeSelectorOptions = { bindingOptions: { behavior: "behavior" }, margin: { top: 50 }, scale: { startValue: new Date(2011, 0, 1), endValue: new Date(2011, 11, 31), minorTickInterval: "day", tickInterval: "month", minorTick: { visible: false, }, marker: { visible: false }, label: { format: "MMM" } }, sliderMarker: { format: "dd EEEE" }, title: "Calculate the Working Days Count in a Date Period", onValueChanged: function (e) { var currentDate = new Date(e.value[0]), workingDaysCount = 0; while (currentDate <= e.value[1]) { if(currentDate.getDay() > 0 && currentDate.getDay() < 6) { workingDaysCount++; } currentDate.setDate(currentDate.getDate() + 1); } $scope.workingDaysCount = workingDaysCount.toFixed(); } }; $scope.selectBoxOptions = { bindingOptions: { value: "behavior.callValueChanged" }, dataSource: ["onMoving", "onMovingComplete"], width: 210 }; });
    <!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/20.2.3/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.3/css/dx.light.css" /> <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.16/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/20.2.3/js/dx.all.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="range-selector-demo"> <div id="range-selector" dx-range-selector="rangeSelectorOptions"></div> <h2>Working days count: <span>{{workingDaysCount}}</span></h2> <div class="options"> <div class="caption">Options</div> <div class="option"> <span>Handle Range Changes</span> <div id="handle" dx-select-box="selectBoxOptions"></div> </div> </div> </div> </div> </body> </html>
    #range-selector { height: 200px; } h2 { text-align: center; } .options { padding: 20px; background-color: rgba(191, 191, 191, 0.15); position: absolute; bottom: 0; left: 0; right: 0; } .option { margin-top: 10px; } .caption { font-size: 18px; font-weight: 500; } .option > span { margin-right: 10px; } .option > .dx-widget { display: inline-block; vertical-align: middle; }