JavaScript/jQuery LoadIndicator Options

This section describes the configuration properties of the LoadIndicator UI component.

See Also

elementAttr

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

Type:

Object

Default Value: {}
jQuery
$(function(){
    $("#loadIndicatorContainer").dxLoadIndicator({
        // ...
        elementAttr: {
            id: "elementId",
            class: "class-name"
        }
    });
});
Angular
HTML
TypeScript
<dx-load-indicator ...
    [elementAttr]="{ id: 'elementId', class: 'class-name' }">
</dx-load-indicator>
import { DxLoadIndicatorModule } from "devextreme-angular";
// ...
export class AppComponent {
    // ...
}
@NgModule({
    imports: [
        // ...
        DxLoadIndicatorModule
    ],
    // ...
})
Vue
App.vue
<template>
    <DxLoadIndicator ...
        :element-attr="loadIndicatorAttributes">
    </DxLoadIndicator>
</template>

<script>
import DxLoadIndicator from 'devextreme-vue/load-indicator';

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

import LoadIndicator from 'devextreme-react/load-indicator';

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

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

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;
}

hint

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

Type:

String

Default Value: undefined

indicatorSrc

Specifies the path to an image used as the indicator.

Type:

String

Default Value: ''

onContentReady

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

Type:

Function

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

LoadIndicator

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 when using Knockout.
Default Value: null

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

LoadIndicator

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.
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

LoadIndicator

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

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

LoadIndicator

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

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

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

<script> 
import 'devextreme/dist/css/dx.common.css'; 
import 'devextreme/dist/css/dx.light.css'; 
import DxLoadIndicator from 'devextreme-vue/load-indicator'; 

export default { 
    components: { 
        DxLoadIndicator
    }, 
    // ...
    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 LoadIndicator from 'devextreme-react/load-indicator'; 

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

export default function App() { 
    return ( 
        <LoadIndicator ...
            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

visible

Specifies whether the UI component is visible.

Type:

Boolean

Default Value: true

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;
}