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.
Feel free to share demo-related thoughts here.
If you have technical questions, please create a support ticket in the DevExpress Support Center.
If you have technical questions, please create a support ticket in the DevExpress Support Center.
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<template>
<div>
<div id="range-selector-demo">
<dx-range-selector
id="range-selector"
:value.sync="range"
title="Calculate the Working Days Count in a Date Period"
>
<dx-margin :top="50"/>
<dx-scale
:start-value="startValue"
:end-value="endValue"
tick-interval="month"
minor-tick-interval="day"
>
<dx-minor-tick :visible="false"/>
<dx-marker :visible="false"/>
<dx-label format="MMM"/>
</dx-scale>
<dx-behavior :call-value-changed="currentBehaviorMode"/>
<dx-slider-marker format="dd EEEE"/>
</dx-range-selector>
<h2>Working days count: {{ workingDaysCount }}</h2>
<div class="options">
<div class="caption">Options</div>
<div class="option">
<span>Handle Range Changes</span>
<dx-select-box
:data-source="behaviorModes"
:width="210"
v-model="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 = ['onMoving', 'onMovingComplete'];
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++;
}
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 Vue from 'vue';
import App from './App.vue';
new Vue({
el: '#app',
components: { App },
template: '<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="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.4/css/dx.common.css" />
<link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/19.2.4/css/dx.light.css" />
<script src="https://unpkg.com/core-js@2.4.1/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>
System.config({
transpiler: 'plugin-babel',
paths: {
'npm:': 'https://unpkg.com/'
},
map: {
vue: 'npm:vue@2.6.3/dist/vue.esm.browser.js',
'vue-loader': 'npm:dx-systemjs-vue-browser@latest/index.js',
'devextreme': 'npm:devextreme@19.2',
'devextreme-vue': 'npm:devextreme-vue@19.2',
jszip: 'npm:jszip@3.1.3/dist/jszip.min.js',
'quill': 'npm:quill@1.3.7/dist/quill.js',
'devexpress-diagram': 'npm:devexpress-diagram',
'devexpress-gantt': 'npm:devexpress-gantt',
'plugin-babel': 'npm:systemjs-plugin-babel@0/plugin-babel.js',
'systemjs-babel-build': 'npm:systemjs-plugin-babel@0/systemjs-babel-browser.js'
},
meta: {
'*.vue': {
loader: 'vue-loader'
}
},
packages: {
'devextreme-vue': {
main: 'index.js'
},
'devextreme': {
defaultExtension: 'js'
}
},
babelOptions: {
sourceMaps: false,
stage0: true
}
});