Use Range Selection for Calculation

Documentation

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

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Backend API

<template> <div> <div id="range-selector-demo"> <DxRangeSelector id="range-selector" v-model:value="range" title="Calculate the Working Days Count in a Date Period" > <DxMargin :top="50"/> <DxScale :start-value="startValue" :end-value="endValue" tick-interval="month" minor-tick-interval="day" > <DxMinorTick :visible="false"/> <DxMarker :visible="false"/> <DxLabel format="MMM"/> </DxScale> <DxBehavior :value-change-mode="currentBehaviorMode"/> <DxSliderMarker format="dd EEEE"/> </DxRangeSelector> <h2>Working days count: {{ workingDaysCount }}</h2> <div class="options"> <div class="caption">Options</div> <div class="option"> <span>Handle Range Changes </span> <DxSelectBox :data-source="behaviorModes" :input-attr="{ 'aria-label': 'Value Change Mode' }" :width="210" v-model:value="currentBehaviorMode" /> </div> </div> </div> </div> </template> <script> import { DxRangeSelector, DxMargin, DxScale, DxMinorTick, DxMarker, DxLabel, DxBehavior, DxSliderMarker, } from 'devextreme-vue/range-selector'; import { DxSelectBox } from 'devextreme-vue/select-box'; export default { components: { DxRangeSelector, DxMargin, DxScale, DxMinorTick, DxMarker, DxLabel, DxBehavior, DxSliderMarker, DxSelectBox, }, data() { const range = [new Date(2011, 0, 1), new Date(2011, 11, 31)]; const behaviorModes = ['onHandleMove', 'onHandleRelease']; return { startValue: range[0], endValue: range[1], range, behaviorModes, currentBehaviorMode: behaviorModes[0], }; }, computed: { workingDaysCount() { const currentDate = new Date(this.range[0]); let workingDaysCount = 0; while (currentDate <= this.range[1]) { if (currentDate.getDay() > 0 && currentDate.getDay() < 6) { workingDaysCount += 1; } currentDate.setDate(currentDate.getDate() + 1); } return workingDaysCount; }, }, }; </script> <style scoped> #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; } </style>

import { createApp } from 'vue'; import App from './App.vue'; createApp(App).mount('#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="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/23.1.5/css/dx.light.css" /> <script src="https://unpkg.com/core-js@2.6.12/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>