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Calendar

Calendar

When you add a Calendar to an application, you need to specify its value in one of the following formats:

  • Date objects

  • The number of milliseconds since 00:00:00 on January 1, 1970

  • Strings that match the following patterns:

    • 'yyyy-MM-dd'
    • 'yyyy-MM-ddTHH:mm:ss'
    • 'yyyy-MM-ddTHH:mm:ssZ'
    • 'yyyy-MM-ddTHH:mm:ssx'

This demo shows how to use additional properties to customize your Calendar. You can toggle the checkboxes on the right to change the Calendar in real time.

Disable Dates

Use the min and max properties to specify the range of available dates. In this demo, these properties limit the range to three days before and after the current date. Enable the "Specified min value" and "Specified max value" checkboxes to apply the properties.

If you need to disable specific dates, use the disabledDates property. Toggle the "Disable weekend" checkbox to see how this setting affects the component's behavior. You can specify either an array of predefined dates or a function that determines whether a date is available.

Set the Beginning of the Week

To specify the first day of the week, pass its index (0 - for Sunday, 1 - for Monday, and so on) to the firstDayOfWeek property.

Handle Value Change

To handle value changes, use two-way binding to bind the value properties of different components . In this demo, you can use the DateBox or Calendar component to change the date because their value properties are bound.

Customize Cell Appearance

Use the cellTemplate property to customize cell appearance. In this demo, when you toggle the "Use the Custom Cell Template" checkbox, all the weekends on the Calendar become blue, and all the holidays become red. You can set your own function that changes the class of the span element that contains cell text.

Other Customizations

Set the disabled property to disable the Calendar.

To specify the initial calendar view (month, year, decade, or century), set the zoomLevel property.

Backend API
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<template> <div id="calendar-demo"> <div class="widget-container"> <DxCalendar id="calendar-container" v-model:value="currentValue" :min="minDateValue" :max="maxDateValue" :disabled-dates="disabledDates" :first-day-of-week="firstDay" :disabled="disabled" :zoom-level="zoomLevel" :cell-template="cellTemplate" > <template #custom="{ data: cell }"> <span :class="getCellCssClass(cell.date)"> {{ cell.text }} </span> </template> </DxCalendar> </div> <div class="options"> <div class="caption">Options</div> <div class="option"> <DxCheckBox :value="false" text="Specified min value" @value-changed="setMinDate" /> </div> <div class="option"> <DxCheckBox :value="false" text="Specified max value" @value-changed="setMaxDate" /> </div> <div class="option"> <DxCheckBox :value="false" text="Disable weekend" @value-changed="disableWeekend" /> </div> <div class="option"> <DxCheckBox :value="false" text="Monday as the first day of a week" @value-changed="setFirstDay" /> </div> <div class="option"> <DxCheckBox :value="false" text="Use the Custom Cell Template" @value-changed="useCellTemplate" /> </div> <div class="option"> <DxCheckBox v-model:value="disabled" text="Disabled" /> </div> <div class="option"> <span>Zoom level</span> <DxSelectBox id="zoom-level" :data-source="zoomLevels" v-model:value="zoomLevel" /> </div> <div class="option"> <span>Selected date</span> <DxDateBox id="selected-date" v-model:value="currentValue" width="100%" /> </div> </div> </div> </template> <script> import DxCheckBox from 'devextreme-vue/check-box'; import DxSelectBox from 'devextreme-vue/select-box'; import DxDateBox from 'devextreme-vue/date-box'; import DxCalendar from 'devextreme-vue/calendar'; export default { components: { DxCheckBox, DxSelectBox, DxDateBox, DxCalendar, }, data() { return { minDateValue: null, maxDateValue: null, disabledDates: null, firstDay: 0, currentValue: new Date(), zoomLevels: ['month', 'year', 'decade', 'century'], cellTemplate: 'cell', disabled: false, zoomLevel: 'month', }; }, methods: { isWeekend(date) { const day = date.getDay(); return day === 0 || day === 6; }, setMinDate(e) { if (e.value) { this.minDateValue = new Date((new Date()).getTime() - 1000 * 60 * 60 * 24 * 3); } else { this.minDateValue = null; } }, setMaxDate(e) { if (e.value) { this.maxDateValue = new Date((new Date()).getTime() + 1000 * 60 * 60 * 24 * 3); } else { this.maxDateValue = null; } }, disableWeekend(e) { if (e.value) { this.disabledDates = (data) => data.view === 'month' && this.isWeekend(data.date); } else { this.disabledDates = null; } }, setFirstDay(e) { if (e.value) { this.firstDay = 1; } else { this.firstDay = 0; } }, useCellTemplate(e) { if (e.value) { this.cellTemplate = 'custom'; } else { this.cellTemplate = 'cell'; } }, getCellCssClass(date) { let cssClass = ''; const holydays = [[1, 0], [4, 6], [25, 11]]; if (this.isWeekend(date)) { cssClass = 'weekend'; } holydays.forEach((item) => { if (date.getDate() === item[0] && date.getMonth() === item[1]) { cssClass = 'holyday'; } }); return cssClass; }, }, }; </script> <style scoped> .widget-container { margin-right: 320px; } #calendar-container { margin: auto; } .dx-calendar-cell:not(.dx-calendar-other-month) .weekend, .dx-calendar-cell:not(.dx-calendar-other-month) .holyday { text-shadow: none; font-weight: bold; } .dx-calendar-cell:not(.dx-calendar-other-month) .weekend { color: #3030ff; } .dx-state-disabled.dx-calendar .dx-calendar-cell:not(.dx-calendar-other-month) .weekend { color: #8080ff; } .dx-calendar-cell:not(.dx-calendar-other-month) .holyday { color: #ff3030; } .dx-state-disabled.dx-calendar .dx-calendar-cell:not(.dx-calendar-other-month) .holyday { color: #ff8080; } .options { padding: 20px; background-color: rgba(191, 191, 191, 0.15); position: absolute; right: 0; top: 0; bottom: 0; width: 260px; } .caption { font-weight: 500; font-size: 18px; } .option { margin-top: 10px; } </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="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/21.2.5/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/21.2.5/css/dx.light.css" /> <link rel="stylesheet" type="text/css" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.6.3/css/font-awesome.min.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>
window.config = { transpiler: 'plugin-babel', meta: { '*.vue': { loader: 'vue-loader', }, 'devextreme/localization.js': { 'esModule': true, }, }, paths: { 'npm:': 'https://unpkg.com/', }, map: { 'vue': 'npm:vue@3.0.0/dist/vue.esm-browser.js', 'vue-loader': 'npm:dx-systemjs-vue-browser@1.0.15/index.js', 'mitt': 'npm:mitt/dist/mitt.umd.js', 'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js', 'luxon': 'npm:luxon@1.28.0/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign@1.1.0', 'devextreme': 'npm:devextreme@21.2.5/cjs', 'devextreme-vue': 'npm:devextreme-vue@21.2.5', 'jszip': 'npm:jszip@3.7.1/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@1.5.11/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.1.45/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@4.0.3/dist/dx-gantt.js', '@devextreme/runtime': 'npm:@devextreme/runtime@2.3.14', 'inferno': 'npm:inferno@7.4.11/dist/inferno.min.js', 'inferno-compat': 'npm:inferno-compat@7.4.11/dist/inferno-compat.min.js', 'inferno-create-element': 'npm:inferno-create-element@7.4.11/dist/inferno-create-element.min.js', 'inferno-dom': 'npm:inferno-dom/dist/inferno-dom.min.js', 'inferno-hydrate': 'npm:inferno-hydrate@7.4.11/dist/inferno-hydrate.min.js', 'inferno-clone-vnode': 'npm:inferno-clone-vnode@7.4.11/dist/inferno-clone-vnode.min.js', 'inferno-create-class': 'npm:inferno-create-class@7.4.11/dist/inferno-create-class.min.js', 'inferno-extras': 'npm:inferno-extras@7.4.11/dist/inferno-extras.min.js', 'plugin-babel': 'npm:systemjs-plugin-babel@0.0.25/plugin-babel.js', 'systemjs-babel-build': 'npm:systemjs-plugin-babel@0.0.25/systemjs-babel-browser.js', }, packages: { 'devextreme-vue': { main: 'index.js', }, 'devextreme': { defaultExtension: 'js', }, 'devextreme/events/utils': { main: 'index', }, 'devextreme/events': { main: 'index', }, 'es6-object-assign': { main: './index.js', defaultExtension: 'js', }, }, packageConfigPaths: [ 'npm:@devextreme/*/package.json', 'npm:@devextreme/runtime@2.3.14/inferno/package.json', ], babelOptions: { sourceMaps: false, stage0: true, }, }; System.config(window.config);