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Configuration

This section describes properties that configure the Draggable UI component's contents, behavior, and appearance.

See Also

autoScroll

Enables automatic scrolling while dragging an item beyond the viewport.

Type:

Boolean

Default Value: true

boundary

Specifies a DOM element that limits the dragging area.

Default Value: undefined

This property accepts the following value types:

  • String
    A CSS selector. For example: "#elementId".
  • DOM Node
    An HTML DOM element. For example: document.getElementById("elementId").
  • jQuery
    A CSS selector wrapped in a jQuery element. For example: $("#elementId").

clone

Allows a user to drag clones of items instead of actual items.

Type:

Boolean

Default Value: false

container

Specifies a custom container in which the draggable item should be rendered.

Default Value: undefined

This property accepts the following value types:

  • String
    A CSS selector. For example: "#elementId".
  • DOM Node
    An HTML DOM element. For example: document.getElementById("elementId").
  • jQuery
    A CSS selector wrapped in a jQuery element. For example: $("#elementId").

cursorOffset

Specifies the cursor offset from the dragged item.

Type:

String

|

Object

data

A container for custom data.

Type: any
Default Value: undefined

dragComponent

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

dragDirection

Specifies the directions in which an item can be dragged.

Type:

String

Default Value: 'both'
Accepted Values: 'both' | 'horizontal' | 'vertical'

dragRender

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

dragTemplate

Specifies custom markup to be shown instead of the item being dragged.

Type:

template

Template Data:
Name Type Description
itemData any

The item's data.

itemElement

HTMLElement | jQuery

The container of the item being dragged. It is an HTML Element or a jQuery Element when you use jQuery.

Default Name: undefined

elementAttr

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

Type: any
Default Value: {}

jQuery
$(function(){
    $("#draggableContainer").dxDraggable({
        // ...
        elementAttr: {
            id: "elementId",
            class: "class-name"
        }
    });
});
Angular
HTML
TypeScript
<dx-draggable ...
    [elementAttr]="{ id: 'elementId', class: 'class-name' }">
</dx-draggable>
import { DxDraggableModule } from "devextreme-angular";
// ...
export class AppComponent {
    // ...
}
@NgModule({
    imports: [
        // ...
        DxDraggableModule
    ],
    // ...
})
Vue
App.vue
<template>
    <DxDraggable ...
        :element-attr="draggableAttributes">
    </DxDraggable>
</template>

<script>
import DxDraggable from 'devextreme-vue/draggable';

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

import Draggable from 'devextreme-react/draggable';

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

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

group

Allows you to group several UI components, so that users can drag and drop items between them.

Type:

String

Default Value: undefined

Set this property to identical values for the UI components you want to collect into a single group.

handle

Specifies a CSS selector (ID or class) that should act as the drag handle(s) for the item(s).

Type:

String

Default Value: ''

height

Specifies the UI component's height.

Type:

Number

|

String

|

Function

Return Value:

Number

|

String

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;
    }

onDisposing

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

Type:

Function

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component Draggable

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 any

Model data. Available only if you use Knockout.

Default Value: null

onDragEnd

A function that is called when drag gesture is finished.

Type:

Function

Function parameters:
e:

Object

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

Object structure:
Name Type Description
cancel

Boolean

Allows you to cancel the gesture.

component

Draggable

The UI component that raised the event.

element

HTMLElement | jQuery

The UI component'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 an EventObject or a jQuery.Event when you use jQuery.

fromComponent

Sortable

|

Draggable

The instance of the item's source UI component.

fromData any

Custom data associated with the source UI component.

itemData any

The dragged item's data.

itemElement

HTMLElement | jQuery

The container of the item being dragged. It is an HTML Element or a jQuery Element when you use jQuery.

model any

Model data. Available only if you use Knockout.

toComponent

Sortable

|

Draggable

The instance of the item's target UI component.

toData any

Custom data associated with the target UI component.

Default Value: null

onDragMove

A function that is called every time a draggable item is moved.

Type:

Function

Function parameters:
e:

Object

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

Object structure:
Name Type Description
cancel

Boolean

Allows you to cancel the gesture.

component

Draggable

The UI component that raised the event.

element

HTMLElement | jQuery

The UI component'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 an EventObject or a jQuery.Event when you use jQuery.

fromComponent

Sortable

|

Draggable

The instance of the item's source UI component.

fromData any

Custom data associated with the source UI component.

itemData any

The dragged element's data.

itemElement

HTMLElement | jQuery

The container of the item being dragged. It is an HTML Element or a jQuery Element when you use jQuery.

model any

Model data. Available only if you use Knockout.

toComponent

Sortable

|

Draggable

The instance of the item's target UI component.

toData any

Custom data associated with the target UI component.

Default Value: null

onDragStart

A function that is called when the drag gesture is initialized.

Type:

Function

Function parameters:
e:

Object

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

Object structure:
Name Type Description
cancel

Boolean

Allows you to cancel the gesture.

component

Draggable

The UI component that raised the event.

element

HTMLElement | jQuery

The UI component'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 an EventObject or a jQuery.Event when you use jQuery.

fromData any

Custom data associated with the source UI component.

itemData any

The dragged item's data.

itemElement

HTMLElement | jQuery

The container of the item being dragged. It is an HTML Element or a jQuery Element when you use jQuery.

model any

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

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component Draggable

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

See Also

onOptionChanged

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

Type:

Function

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
model any

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 Draggable

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() {
    $("#draggableContainer").dxDraggable({
        // ...
        onOptionChanged: function(e) {
            if(e.name === "changedProperty") {
                // handle the property change here
            }
        }
    });
});
Angular
app.component.html
app.component.ts
app.module.ts
<dx-draggable ...
    (onOptionChanged)="handlePropertyChange($event)"> 
</dx-draggable>
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 { DxDraggableModule } from 'devextreme-angular'; 

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

export class AppModule { }  
Vue
App.vue
<template> 
    <DxDraggable ...
        @option-changed="handlePropertyChange"
    />            
</template> 

<script>  
import 'devextreme/dist/css/dx.light.css'; 
import DxDraggable from 'devextreme-vue/draggable'; 

export default { 
    components: { 
        DxDraggable
    }, 
    // ...
    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.light.css'; 

import Draggable from 'devextreme-react/draggable'; 

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

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

rtlEnabled

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

Type:

Boolean

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
});

DataGrid Demo Navigation UI Demo Editors Demo

scrollSensitivity

Specifies the distance in pixels from the edge of viewport at which scrolling should start. Applies only if autoScroll is true.

Type:

Number

Default Value: 60

See Also

scrollSpeed

Specifies the scrolling speed when dragging an item beyond the viewport. Applies only if autoScroll is true.

Type:

Number

Default Value: 30

See Also

width

Specifies the UI component's width.

Type:

Number

|

String

|

Function

Return Value:

Number

|

String

The UI component's width.

Default Value: undefined

This property 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;
    }