JavaScript/jQuery ButtonGroup Options

Default Value: false

elementAttr

Specifies the global attributes to be attached to the UI component's container element.

Type:

Default Value: {}

jQuery

$(function(){
    $("#buttonGroupContainer").dxButtonGroup({
        // ...
        elementAttr: {
            id: "elementId",
            class: "class-name"
        }
    });
});

Angular

HTML

TypeScript

<dx-button-group ...
    [elementAttr]="{ id: 'elementId', class: 'class-name' }">
</dx-button-group>

import { DxButtonGroupModule } from "devextreme-angular";
// ...
export class AppComponent {
    // ...
}
@NgModule({
    imports: [
        // ...
        DxButtonGroupModule
    ],
    // ...
})

Vue

App.vue

<template>
    <DxButtonGroup ...
        :element-attr="buttonGroupAttributes">
    </DxButtonGroup>
</template>

<script>
import DxButtonGroup from 'devextreme-vue/button-group';

export default {
    components: {
        DxButtonGroup
    },
    data() {
        return {
            buttonGroupAttributes: {
                id: 'elementId',
                class: 'class-name'
            }
        }
    }
}
</script>

React

App.js

import React from 'react';

import ButtonGroup from 'devextreme-react/button-group';

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

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

focusStateEnabled

Specifies whether the UI component can be focused using keyboard navigation.

Type:

Default Value: true

height

Specifies the UI component's height.

Type:

Return Value:

The UI component's height.

Default Value: undefined

This property 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;
}
```

hint

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

Type:

Default Value: undefined

hoverStateEnabled

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

Type:

Default Value: true

itemComponent

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

itemRender

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

items[]

Configures buttons in the group.

Type:

Array<dxButtonGroupItem>

The items array can contain:

Objects with fields described in this section
Objects with any other fields. In this case, specify the buttonTemplate.

If you need to update the UI component items, reassign the entire items[] array as shown in the following example:

JavaScript

buttonGroupInstance.option('items', newItems);

itemTemplate

Use the buttonTemplate property instead.

Specifies a custom button template.

Type:

template

Template Data: undefined

keyExpr

Specifies which data field provides keys used to distinguish between the selected buttons.

Type:

Default Value: 'text'

onContentReady

A function that is executed when the UI component's content is ready and each time the content is changed.

Type:

Function parameters:

Information about the event.

Object structure:

Name

Type

Description

component

ButtonGroup

The UI component's instance.

element

HTMLElement | jQuery

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

model

Model data. Available only when using Knockout.

Default Value: null

onDisposing

A function that is executed before the UI component is disposed of.

Type:

Function parameters:

Information about the event.

Object structure:

Name

Type

Description

component

ButtonGroup

The UI component's instance.

element

HTMLElement | jQuery

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

model

Model data. Available only if you use Knockout.

Default Value: null

onInitialized

A function used in JavaScript frameworks to save the UI component instance.

Type:

Function parameters:

Information about the event.

Object structure:

Name

Type

Description

component

ButtonGroup

The UI component's instance.

element

HTMLElement | jQuery

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

Default Value: null

onItemClick

A function that is executed when a button is clicked or tapped.

Type:

Function parameters:

Information about the event.

Object structure:

Name	Type	Description
component	ButtonGroup	The UI component's instance.
element	HTMLElement \| jQuery	The UI component's container.
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.
itemData	Object	The clicked button's data.
itemElement	HTMLElement \| jQuery	The button's container. It is an HTML Element or a jQuery Element when you use jQuery.
itemIndex	Number	The clicked button's index.
model	Object	Model data. Available only if you use Knockout.

Default Value: null

onOptionChanged

A function that is executed after a UI component property is changed.

Type:

Function parameters:

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 property that includes all parent properties.
element	HTMLElement \| jQuery	The UI component's container. It is an HTML Element or a jQuery Element when you use jQuery.
component	ButtonGroup	The UI component's instance.
name	String	The modified property if it belongs to the first level. Otherwise, the first-level property it is nested into.
value	any	The modified property's new value.

Default Value: null

The following example shows how to subscribe to component property changes:

jQuery

index.js

$(function() {
    $("#buttonGroupContainer").dxButtonGroup({
        // ...
        onOptionChanged: function(e) {
            if(e.name === "changedProperty") {
                // handle the property change here
            }
        }
    });
});

Angular

app.component.html

app.component.ts

app.module.ts

<dx-button-group ...
    (onOptionChanged)="handlePropertyChange($event)"> 
</dx-button-group>

import { Component } from '@angular/core'; 

@Component({ 
    selector: 'app-root', 
    templateUrl: './app.component.html', 
    styleUrls: ['./app.component.css'] 
}) 

export class AppComponent { 
    // ...
    handlePropertyChange(e) {
        if(e.name === "changedProperty") { 
            // handle the property change here
        }
    }
}

import { BrowserModule } from '@angular/platform-browser'; 
import { NgModule } from '@angular/core'; 
import { AppComponent } from './app.component'; 
import { DxButtonGroupModule } from 'devextreme-angular'; 

@NgModule({ 
    declarations: [ 
        AppComponent 
    ], 
    imports: [ 
        BrowserModule, 
        DxButtonGroupModule 
    ], 
    providers: [ ], 
    bootstrap: [AppComponent] 
}) 

export class AppModule { }

Vue

App.vue

<template> 
    <DxButtonGroup ...
        @option-changed="handlePropertyChange"
    />            
</template> 

<script> 
import 'devextreme/dist/css/dx.common.css'; 
import 'devextreme/dist/css/dx.light.css'; 
import DxButtonGroup from 'devextreme-vue/button-group'; 

export default { 
    components: { 
        DxButtonGroup
    }, 
    // ...
    methods: { 
        handlePropertyChange: function(e) {
            if(e.name === "changedProperty") {
                // handle the property change here
            }
        }
    } 
} 
</script>

React

App.js

import React from 'react'; 
import 'devextreme/dist/css/dx.common.css'; 
import 'devextreme/dist/css/dx.light.css'; 

import ButtonGroup from 'devextreme-react/button-group'; 

const handlePropertyChange = (e) => {
    if(e.name === "changedProperty") {
        // handle the property change here
    }
}

export default function App() { 
    return ( 
        <ButtonGroup ...
            onOptionChanged={handlePropertyChange}
        />        
    ); 
}

onSelectionChanged

A function that is executed when a button is selected or selection is canceled.

Type:

Function parameters:

Information about the event that caused the function's execution.

Object structure:

Name	Type	Description
addedItems	Array<any>	The data objects that correspond to the selected buttons.
component	ButtonGroup	The UI component's instance.
element	HTMLElement \| jQuery	The UI component'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.
removedItems	Array<any>	The data objects that correspond to the buttons whose selection has been canceled. The objects are taken from the items array.

Default Value: null

rtlEnabled

Switches the UI component to a right-to-left representation.

Type:

Default Value: false

When this property is set to true, the UI component 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
});

selectedItemKeys

Contains the keys of the selected buttons and allows selecting buttons initially.

Type:

Array<any>

Raised Events: onSelectionChanged

The data field that provides the keys can be specified using the keyExpr property.

selectedItems

Contains the data objects that correspond to the selected buttons. The data objects are taken from the items array.

Type:

Array<any>

Raised Events: onSelectionChanged

selectionMode

Specifies whether a single or multiple buttons can be in the selected state simultaneously.

Type:

Default Value: 'single'

Accepted Values: 'multiple' | 'single'

Use the ButtonGroupSelectionMode enum to specify this property when the UI component is used as an ASP.NET MVC 5 Control or a DevExtreme-Based ASP.NET Core Control. This enum accepts the following values: Single and Multiple.

stylingMode

Specifies how buttons in the group are styled.

Type:

Default Value: 'contained'

Accepted Values: 'text' | 'outlined' | 'contained'

The following styles are available:

Button Styling Modes

View Demo

Use the ButtonStylingMode enum to specify this property when the UI component is used as an ASP.NET MVC 5 Control or a DevExtreme-Based ASP.NET Core Control. This enum accepts the following values: Text, Outlined, and Contained.

tabIndex

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

Type:

Number

Default Value: 0

The value of this property will be passed to the tabindex attribute of the HTML element that underlies the UI component.

visible

Specifies whether the UI component is visible.

Type: