Angular Calendar Properties

An object defining configuration options for the Calendar widget.

See Also

accessKey

Specifies the shortcut key that sets focus on the widget.

Type:

String

Default Value: null

The value of this option will be passed to the accesskey attribute of the HTML element that underlies the widget.

activeStateEnabled

Specifies whether or not the widget changes its state when interacting with a user.

Type:

Boolean

Default Value: true

This option is used when the widget is displayed on a platform whose guidelines include the active state change for widgets.

cellComponent

An alias for the cellTemplate property specified in React. Accepts a custom component. Refer to Using a Custom Component for more information.

cellRender

An alias for the cellTemplate property specified in React. Accepts a rendering function. Refer to Using a Rendering Function for more information.

cellTemplate

Specifies a custom template for calendar cells.

Type:

template

Template Data:
Name Type Description
date

Date

A Date object associated with the cell.

text

String

The cell's text.

view

String

The current view's name.

Default Name: 'cell'

dateSerializationFormat

Specifies the date-time value serialization format. Use it only if you do not specify the value at design time.

Type:

String

Default Value: undefined

Without a value, the widget cannot detect its format. In this case, specify the dateSerializationFormat option that supports the following formats:

  • "yyyy-MM-dd" - a local date

  • "yyyy-MM-ddTHH:mm:ss" - local date and time

  • "yyyy-MM-ddTHH:mm:ssZ" - the UTC date and time

  • "yyyy-MM-ddTHH:mm:ssx" - date and time with a timezone

This option applies only if the forceIsoDateParsing field is set to true in the global configuration object.

NOTE
If you are going to change the value using the API, make sure that it has the same format that you specified in this option.

disabled

Specifies whether the widget responds to user interaction.

Type:

Boolean

Default Value: false

disabledDates

Specifies dates that users cannot select.

Type:

Array<Date>

|

Function

Function parameters:
data:

Object

Information about the checked date.

Object structure:
Name Type Description
component

Object

The widget's instance.

date

Date

The currently checked date.

view

String

The current view.

Return Value:

Boolean

true if the date should be disabled; otherwise false.

Default Value: null

This option accepts an array of dates...

jQuery
index.js
$(function() {
    $("#calendarContainer").dxCalendar({
        // ...
        disabledDates: [ 
            new Date("07/1/2017"),  
            new Date("07/2/2017"), 
            new Date("07/3/2017") 
        ]
    });
});
Angular
app.component.html
app.component.ts
app.module.ts
<dx-calendar ...
    [disabledDates]="disabledDates">
</dx-calendar>
import { Component } from '@angular/core';

@Component({
    selector: 'app-root',
    templateUrl: './app.component.html',
    styleUrls: ['./app.component.css']
})
export class AppComponent {
    disabledDates: Date[] = [ 
        new Date("07/1/2017"),  
        new Date("07/2/2017"), 
        new Date("07/3/2017") 
    ];
}
import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { AppComponent } from './app.component';

import { DxCalendarModule } from 'devextreme-angular';

@NgModule({
    declarations: [
        AppComponent
    ],
    imports: [
        BrowserModule,
        DxCalendarModule
    ],
    providers: [ ],
    bootstrap: [AppComponent]
})
export class AppModule { }
Vue
App.vue
<template>
    <DxCalendar ...
        :disabled-dates="disabledDates"
    />
</template>

<script>
import 'devextreme/dist/css/dx.common.css';
import 'devextreme/dist/css/dx.light.css';

import DxCalendar from 'devextreme-vue/calendar';

export default {
    components: {
        DxCalendar
    },
    data() {
        return {
            disabledDates: [ 
                new Date("07/1/2017"),  
                new Date("07/2/2017"), 
                new Date("07/3/2017") 
            ]
        }
    }
}
</script>
React
App.js
import React from 'react';

import 'devextreme/dist/css/dx.common.css';
import 'devextreme/dist/css/dx.light.css';

import Calendar from 'devextreme-react/calendar';

class App extends React.Component {
    constructor() {
        this.disabledDates = [ 
            new Date("07/1/2017"),  
            new Date("07/2/2017"), 
            new Date("07/3/2017") 
        ];
    }
    render() {
        return (
            <Calendar ...
                disabledDates={this.disabledDates} 
            />
        );
    }
}
export default App;

... or a function that specifies whether the currently checked date is disabled.

jQuery
index.js
$(function() {
    $("#calendarContainer").dxCalendar({
        // ...
        disabledDates: function(args) {
            var dayOfWeek = args.date.getDay(),
                month = args.date.getMonth(),
                isWeekend = args.view === "month" && (dayOfWeek === 0 || dayOfWeek === 6 ),
                isMarch = (args.view === "year" || args.view === "month") && month === 2;

            return isWeekend || isMarch;
        }
    });
});
Angular
app.component.html
app.component.ts
app.module.ts
<dx-calendar ...
    [disabledDates]="disableDates">
</dx-calendar>
import { Component } from '@angular/core';

@Component({
    selector: 'app-root',
    templateUrl: './app.component.html',
    styleUrls: ['./app.component.css']
})
export class AppComponent {
    disableDates(args) {
        var dayOfWeek = args.date.getDay(),
            month = args.date.getMonth(),
            isWeekend = args.view === "month" && (dayOfWeek === 0 || dayOfWeek === 6 ),
            isMarch = (args.view === "year" || args.view === "month") && month === 2;

        return isWeekend || isMarch;
    }
}
import { BrowserModule } from '@angular/platform-browser';
import { NgModule } from '@angular/core';
import { AppComponent } from './app.component';

import { DxCalendarModule } from 'devextreme-angular';

@NgModule({
    declarations: [
        AppComponent
    ],
    imports: [
        BrowserModule,
        DxCalendarModule
    ],
    providers: [ ],
    bootstrap: [AppComponent]
})
export class AppModule { }
Vue
App.vue
<template>
    <DxCalendar ...
        :disabled-dates="disableDates"
    />
</template>

<script>
import 'devextreme/dist/css/dx.common.css';
import 'devextreme/dist/css/dx.light.css';

import DxCalendar from 'devextreme-vue/calendar';

export default {
    components: {
        DxCalendar
    },
    methods: {
        disableDates(args) {
            var dayOfWeek = args.date.getDay(),
                month = args.date.getMonth(),
                isWeekend = args.view === "month" && (dayOfWeek === 0 || dayOfWeek === 6 ),
                isMarch = (args.view === "year" || args.view === "month") && month === 2;

            return isWeekend || isMarch;
        }
    }
}
</script>
React
App.js
import React from 'react';

import 'devextreme/dist/css/dx.common.css';
import 'devextreme/dist/css/dx.light.css';

import Calendar from 'devextreme-react/calendar';

class App extends React.Component {
    disableDates(args) {
        var dayOfWeek = args.date.getDay(),
            month = args.date.getMonth(),
            isWeekend = args.view === "month" && (dayOfWeek === 0 || dayOfWeek === 6 ),
            isMarch = (args.view === "year" || args.view === "month") && month === 2;

        return isWeekend || isMarch;
    }
    render() {
        return (
            <Calendar ...
                disabledDates={this.disableDates} 
            />
        );
    }
}
export default App;

View Demo

See Also

elementAttr

Specifies the attributes to be attached to the widget's root element.

Type:

Object

Default Value: {}

jQuery
$(function(){
    $("#calendarContainer").dxCalendar({
        // ...
        elementAttr: {
            id: "elementId",
            class: "class-name"
        }
    });
});
Angular
HTML
TypeScript
<dx-calendar ...
    [elementAttr]="{ id: 'elementId', class: 'class-name' }">
</dx-calendar>
import { DxCalendarModule } from "devextreme-angular";
// ...
export class AppComponent {
    // ...
}
@NgModule({
    imports: [
        // ...
        DxCalendarModule
    ],
    // ...
})
Vue
App.vue
<template>
    <DxCalendar ...
        :element-attr="calendarAttributes">
    </DxCalendar>
</template>

<script>
import DxCalendar from 'devextreme-vue/calendar';

export default {
    components: {
        DxCalendar
    },
    data() {
        return {
            calendarAttributes: {
                id: 'elementId',
                class: 'class-name'
            }
        }
    }
}
</script>
React
App.js
import React from 'react';

import Calendar from 'devextreme-react/calendar';

class App extends React.Component {
    calendarAttributes = {
        id: 'elementId',
        class: 'class-name'
    }

    render() {
        return (
            <Calendar ...
                elementAttr={this.calendarAttributes}>
            </Calendar>
        );
    }
}
export default App;

firstDayOfWeek

Specifies the first day of a week.

Type:

Number

Default Value: undefined
Accepted Values: 0 | 1 | 2 | 3 | 4 | 5 | 6

The option can take on a value from 0 to 6.

  • 0 - Sunday
  • 1 - Monday
  • 2 - Tuesday
  • 3 - Wednesday
  • 4 - Thursday
  • 5 - Friday
  • 6 - Saturday

By default, the value provided by the culture settings is used.

Use the FirstDayOfWeek enum to specify this option when the widget is used as an ASP.NET MVC 5 Control or a DevExtreme-Based ASP.NET Core Control. This enum accepts the following values: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, and Saturday.

focusStateEnabled

Specifies whether the widget can be focused using keyboard navigation.

Type:

Boolean

Default Value: true (desktop)

height

Specifies the widget's height.

Type:

Number

|

String

|

Function

Return Value:

Number

|

String

The widget's height.

Default Value: undefined

This option accepts a value of one of the following types:

  • Number
    The height in pixels.

  • String
    A CSS-accepted measurement of height. For example, "55px", "80%", "inherit".

  • Function
    A function returning either of the above. For example:

    JavaScript
    height: function() {
        return window.innerHeight / 1.5;
    }
NOTE

The widget's minimum height depends on the current theme. If the height option value is less than the minimum height, the widget height is set to the minimum value, ignoring the specified value. Below is a list of minimum calendar sizes depending on the current theme.

  • Generic - 280x270
  • Android - 290x260
  • iOS - 260x260

hint

Specifies text for a hint that appears when a user pauses on the widget.

Type:

String

Default Value: undefined

hoverStateEnabled

Specifies whether the widget changes its state when a user pauses on it.

Type:

Boolean

Default Value: true

isValid

Specifies or indicates whether the editor's value is valid.

Type:

Boolean

Default Value: true

NOTE
When you use async rules, isValid is true if the status is "pending" or "valid".
See Also

max

The latest date the widget allows to select.

Type:

Date

|

Number

|

String

Default Value: new Date(3000, 0)

maxZoomLevel

Specifies the maximum zoom level of the calendar.

Type:

String

Default Value: 'month'
Accepted Values: 'century' | 'decade' | 'month' | 'year'

Use the CalendarZoomLevel enum to specify this option when the widget is used as an ASP.NET MVC 5 Control or a DevExtreme-Based ASP.NET Core Control. This enum accepts the following values: Month, Year, Decade, and Century.

See Also

min

The earliest date the widget allows to select.

Type:

Date

|

Number

|

String

Default Value: new Date(1000, 0)

minZoomLevel

Specifies the minimum zoom level of the calendar.

Type:

String

Default Value: 'century'
Accepted Values: 'century' | 'decade' | 'month' | 'year'

Use the CalendarZoomLevel enum to specify this option when the widget is used as an ASP.NET MVC 5 Control or a DevExtreme-Based ASP.NET Core Control. This enum accepts the following values: Month, Year, Decade, and Century.

See Also

name

The value to be assigned to the name attribute of the underlying HTML element.

Type:

String

Default Value: ''

Specify this option if the widget lies within an HTML form that will be submitted.

If you configure the widget as an ASP.NET MVC 5 Control or a DevExtreme-Based ASP.NET Core Control, use this option to bind the widget to a model property. If this model property contains Data Annotation validation attributes, you get the client-side validation enabled by default.

onDisposing

A function that is executed before the widget is disposed of.

Type:

Function

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

Calendar

The widget's instance.

element

HTMLElement | jQuery

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.

model

Object

Model data. Available only if you use Knockout.

Default Value: null

onInitialized

A function used in JavaScript frameworks to save the widget instance.

Type:

Function

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

Calendar

The widget's instance.

element

HTMLElement | jQuery

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.

Default Value: null

See Also

onOptionChanged

A function that is executed after a widget option is changed.

Type:

Function

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
model

Object

Model data. Available only if you use Knockout.

fullName

String

The path to the modified option that includes all parent options.

element

HTMLElement | jQuery

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.

component

Calendar

The widget's instance.

name

String

The modified option if it belongs to the first level. Otherwise, the first-level option it is nested into.

value any

The modified option's new value.

Default Value: null

onValueChanged

A function that is executed after the widget's value is changed.

Type:

Function

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

Calendar

The widget's instance.

element

HTMLElement | jQuery

The widget's container. It is an HTML Element or a jQuery Element when you use jQuery.

event

Event (jQuery or EventObject)

The event that caused the function to execute. It is a dxEvent or a jQuery.Event when you use jQuery. This field is undefined if the value is changed programmatically.

jQueryEvent

jQuery.Event

Use 'event' instead.

The jQuery event that caused the handler execution. Deprecated in favor of the event field.

model

Object

Model data. Available only if Knockout is used.

previousValue

Object

The widget's previous value.

value

Object

The widget's new value.

Default Value: null

readOnly

Specifies whether the editor is read-only.

Type:

Boolean

Default Value: false

rtlEnabled

Switches the widget to a right-to-left representation.

Type:

Boolean

Default Value: false

When this option is set to true, the widget text flows from right to left, and the layout of elements is reversed. To switch the entire application/site to the right-to-left representation, assign true to the rtlEnabled field of the object passed to the DevExpress.config(config) method.

JavaScript
DevExpress.config({
    rtlEnabled: true
});
See Also

showTodayButton

Specifies whether or not the widget displays a button that selects the current date.

Type:

Boolean

Default Value: false

tabIndex

Specifies the number of the element when the Tab key is used for navigating.

Type:

Number

Default Value: 0

The value of this option will be passed to the tabindex attribute of the HTML element that underlies the widget.

validationError

Information on the broken validation rule. Contains the first item from the validationErrors array.

Type:

Object

Default Value: null

See Also

validationErrors

An array of the validation rules that failed.

Type:

Array<Object>

Default Value: null

validationMessageMode

Specifies how the message about the validation rules that are not satisfied by this editor's value is displayed.

Type:

String

Default Value: 'auto'
Accepted Values: 'always' | 'auto'

The following option values are possible:

  • auto
    The tooltip with the message is displayed when the editor is in focus.
  • always
    The tooltip with the message is not hidden when the editor loses focus.

Use the ValidationMessageMode enum to specify this option when the widget is used as an ASP.NET MVC 5 Control or a DevExtreme-Based ASP.NET Core Control. This enum accepts the following values: Auto and Always.

validationStatus

Indicates or specifies the current validation status.

Type:

String

Default Value: 'valid'
Accepted Values: 'valid' | 'invalid' | 'pending'

The following table illustrates the validation status indicators:

validationStatus Indicator
"pending" DevExtreme editor validation status: pending
"valid" DevExtreme editor validation status: valid
"invalid" DevExtreme editor validation status: invalid

value

An object or a value specifying the date and time currently selected in the calendar.

Type:

Date

|

Number

|

String

Default Value: null
Raised Events: onValueChanged

You can specify the current widget value using any of the following formats.

  • Date
    Specifies the date directly.

  • Number
    Specifies the date using a timestamp (total milliseconds since 1970/01/01).

  • String
    Specifies the date using a string value. The widget supports the following formats of a date string.

    • "yyyy-MM-dd" (for example, "2017-03-06")
    • "yyyy-MM-ddTHH:mm:ss" (for example, "2017-03-27T16:54:48")
    • "yyyy-MM-ddTHH:mm:ssZ" (for example, "2017-03-27T13:55:41Z")
    • "yyyy-MM-ddTHH:mm:ssx" (for example, "2017-03-27T16:54:10+03")

If the widget value is changed by an end-user, the new value is saved in the same format as the initial value.

View Demo

visible

Specifies whether the widget is visible.

Type:

Boolean

Default Value: true

width

Specifies the widget's width.

Type:

Number

|

String

|

Function

Return Value:

Number

|

String

The widget's width.

Default Value: undefined

This option accepts a value of one of the following types:

  • Number
    The width in pixels.

  • String
    A CSS-accepted measurement of width. For example, "55px", "80%", "auto", "inherit".

  • Function
    A function returning either of the above. For example:

    JavaScript
    width: function() {
        return window.innerWidth / 1.5;
    }
NOTE

The widget has a minimum width that depends on the current theme. If the width option value is less than the minimum width, the widget width is set to the minimum value, ignoring the specified value. Below is a list of minimum calendar sizes depending on the current theme.

  • Generic - 280x270
  • Android - 290x260
  • iOS - 260x260

zoomLevel

Specifies the current calendar zoom level.

Type:

String

Default Value: 'month'
Accepted Values: 'century' | 'decade' | 'month' | 'year'
Raised Events: onOptionChanged

Zoom level determines the size of a date range displayed on a single calendar page.

Use the CalendarZoomLevel enum to specify this option when the widget is used as an ASP.NET MVC 5 Control or a DevExtreme-Based ASP.NET Core Control. This enum accepts the following values: Month, Year, Decade, and Century.

View Demo