JavaScript/jQuery Resizable Options

|

HTMLElement | jQuery

| undefined

Default Value: undefined

Area Available For Resize

You can use a selector string, jQuery object, or DOM element to specify this property:

String
JavaScript
```
area: '.test-div'
```
jQuery object
JavaScript
```
area: $('.test-div')
```
DOM element
JavaScript
```
area: $('.test-div')[0]
```

View Demo

elementAttr

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

Type:

Object

Default Value: {}

jQuery

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

Angular

HTML

TypeScript

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

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

Vue

App.vue

<template>
    <DxResizable ...
        :element-attr="resizableAttributes">
    </DxResizable>
</template>

<script>
import DxResizable from 'devextreme-vue/resizable';

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

React

App.js

import React from 'react';

import Resizable from 'devextreme-react/resizable';

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

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

handles

Specifies which borders of the UI component element are used as a handle.

Type:

ResizeHandle

|

Default Value: 'all'

You can pass several values separated by a space. For example, "right bottom".

height

Specifies the UI component's height.

Type:

|

Default Value: undefined

Raised Events: onResize

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", "20vh", "80%", "inherit".

keepAspectRatio

Specifies whether to resize the UI component's content proportionally when you use corner handles.

Type:

Boolean

Default Value: true

When this property value is true, you can use a corner handle to resize the UI component proportionally.

keepAspectRatio is True

Set this property to false to enable free-form resize:

jQuery

$(function(){
    $("#resizable").dxResizable({
        // ...
        keepAspectRatio: false
    });
});

Angular

app.component.html

<dx-resizable ... 
    [keepAspectRatio]="false">
</dx-resizable>

Vue

App.vue

<template>
    <DxResizable ...
        :keep-aspect-ratio="false"
    />
</template>

<script>
// ...
</script>

React

App.js

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

import Resizable from 'devextreme-react/resizable';

function App() {
    return (
        <Resizable ...
            keepAspectRatio={false}           
        />
    );
}

export default App;

View Demo

maxHeight

Specifies the upper height boundary for resizing.

Type:

Default Value: Infinity

maxWidth

Specifies the upper width boundary for resizing.

Type:

Default Value: Infinity

minHeight

Specifies the lower height boundary for resizing.

Type:

Default Value: 30

minWidth

Specifies the lower width boundary for resizing.

Type:

Default Value: 30

onDisposing

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

Type:

Function parameters:

e:

DisposingEvent

Information about the event.

Object structure:

Name	Type	Description
element	HTMLElement \| jQuery	The UI component's container. It is an HTML Element or a jQuery Element when you use jQuery.
component	Resizable	The UI component's instance.

Default Value: null

onInitialized

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

Type:

Function parameters:

e:

InitializedEvent

Information about the event.

Object structure:

Name	Type	Description
element	HTMLElement \| jQuery	The UI component's container. It is an HTML Element or a jQuery Element when you use jQuery.
component	Resizable	The UI component's instance.

Default Value: null

Angular

app.component.html

app.component.ts

<dx-resizable ...
    (onInitialized)="saveInstance($event)">
</dx-resizable>

import { Component } from "@angular/core";
import Resizable from "devextreme/ui/data_grid";
// ...
export class AppComponent {
    resizableInstance: Resizable;
    saveInstance (e) {
        this.resizableInstance = e.component;
    }
}

Vue

App.vue (Options API)

App.vue (Composition API)

<template>
    <div>
        <DxResizable ...
            @initialized="saveInstance">
        </DxResizable>
    </div>
</template>

<script>
import DxResizable from 'devextreme-vue/resizable';

export default {
    components: {
        DxResizable
    },
    data: function() {
        return {
            resizableInstance: null
        };
    },
    methods: {
        saveInstance: function(e) {
            this.resizableInstance = e.component;
        }
    }
};
</script>

<template>
    <div>
        <DxResizable ...
            @initialized="saveInstance">
        </DxResizable>
    </div>
</template>

<script setup>
import DxResizable from 'devextreme-vue/resizable';

let resizableInstance = null;

const saveInstance = (e) => {
    resizableInstance = e.component;
}
</script>

React

App.js

import Resizable from 'devextreme-react/resizable';

class App extends React.Component {
    constructor(props) {
        super(props);

        this.saveInstance = this.saveInstance.bind(this);
    }

    saveInstance(e) {
        this.resizableInstance = e.component;
    }

    render() {
        return (
            <div>
                <Resizable onInitialized={this.saveInstance} />
            </div>
        );
    }
}

jQuery

Get a UI component Instance in jQuery

Angular

Get a UI component Instance in Angular

Vue

Get a UI component Instance in Vue

React

Get a UI component Instance in React

onOptionChanged

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

Type:

Function parameters:

e:

OptionChangedEvent

Information about the event.

Object structure:

Name	Type	Description
value	any	The modified property's new value.
previousValue	any	The UI component's previous value.
name	String	The modified property if it belongs to the first level. Otherwise, the first-level property it is nested into.
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	Resizable	The UI component's instance.

Default Value: null

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

jQuery

index.js

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

Angular

app.component.html

app.component.ts

app.module.ts

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

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 { DxResizableModule } from 'devextreme-angular'; 

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

export class AppModule { }

Vue

App.vue

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

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

export default { 
    components: { 
        DxResizable
    }, 
    // ...
    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 Resizable from 'devextreme-react/resizable'; 

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

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

onResize

A function that is executed each time the UI component is resized by one pixel.

Type:

Function parameters:

e:

ResizeEvent

Information about the event.

Object structure:

Name	Type	Description
component	Resizable	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.
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.
height	Number	The UI component's current height.
width	Number	The UI component's current width.

Default Value: null

onResizeEnd

A function that is executed when resizing ends.

Type:

Function parameters:

e:

ResizeEndEvent

Information about the event.

Object structure:

Name	Type	Description
component	Resizable	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.
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.
height	Number	The current UI component height.
width	Number	The current UI component width.

Default Value: null

onResizeStart

A function that is executed when resizing starts.

Type:

DataGrid Demo Navigation UI Demo Editors Demo

Function parameters:

e:

ResizeStartEvent

Information about the event.

Object structure:

Name	Type	Description
component	Resizable	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.
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.
height	Number	The UI component's current height.
width	Number	The UI component's current width.

Default Value: null

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
});

width

Specifies the UI component's width.

Type:

|