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JavaScript/jQuery LoadPanel Options

An object that defines configuration options for the LoadPanel widget.

See Also

animation

Configures widget visibility animations. This object contains two fields: show and hide.

Type:

Object

Default Value: null

Set this object to null or undefined to disable animation.

closeOnOutsideClick

Specifies whether to close the widget if a user clicks outside it.

Type:

Boolean

|

Function

Function parameters:
event:

Event (jQuery or EventObject)

The event that caused widget closing. It is a dxEvent or a jQuery.Event when you use jQuery.

Return Value:

Boolean

true if the widget should be closed; otherwise false.

Default Value: false

The function passed to this option enables you to specify a custom condition for widget closing. For instance, you can prevent closing until a user clicks a certain element.

JavaScript
var widgetOptions = {
    // ...
    closeOnOutsideClick: function(e) {
        return e.target === $("#someElement").get()[0];
    }
}

The closeOnOutsideClick function is called when a user clicks the widget or outside it.

container

Specifies the widget's container.

Type:

String

|

DOM Node

|

jQuery

Default Value: undefined

The default container is defined during the widget's initialization. It is the viewport, or the body element if the viewport is not found, or the parent element if the previous two are absent.

The specified container is shaded when the LoadPanel is visible; the LoadPanel inherits styles from the container and is scrolled with it.

deferRendering

Specifies whether to render the widget's content when it is displayed. If false, the content is rendered immediately.

Type:

Boolean

Default Value: true

delay

The delay in milliseconds after which the load panel is displayed.

Type:

Number

Default Value: 0

elementAttr

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

Type:

Object

Default Value: {}

jQuery
$(function(){
    $("#loadPanelContainer").dxLoadPanel({
        // ...
        elementAttr: {
            id: "elementId",
            class: "class-name"
        }
    });
});
Angular
HTML
TypeScript
<dx-load-panel ...
    [elementAttr]="{ id: 'elementId', class: 'class-name' }">
</dx-load-panel>
import { DxLoadPanelModule } from "devextreme-angular";
// ...
export class AppComponent {
    // ...
}
@NgModule({
    imports: [
        // ...
        DxLoadPanelModule
    ],
    // ...
})
ASP.NET MVC Controls
Razor C#
Razor VB
@(Html.DevExtreme().LoadPanel()
    .ElementAttr("class", "class-name")
    // ===== or =====
    .ElementAttr(new {
        @id = "elementId",
        @class = "class-name"
    })
    // ===== or =====
    .ElementAttr(new Dictionary<string, object>() {
        { "id", "elementId" },
        { "class", "class-name" }
    })

)
@(Html.DevExtreme().LoadPanel() _
    .ElementAttr("class", "class-name")
    ' ===== or =====
    .ElementAttr(New With {
        .id = "elementId",
        .class = "class-name"
    })
    ' ===== or =====
    .ElementAttr(New Dictionary(Of String, Object) From {
        { "id", "elementId" },
        { "class", "class-name" }
    })
)

focusStateEnabled

Specifies whether or not the widget can be focused.

Type:

Boolean

Default Value: false

height

Specifies the widget's height in pixels.

Type:

Number

|

String

|

Function

Return Value:

Number

|

String

The widget's height.

Default Value: 90, 60 (Material)

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;
    }

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: false

indicatorSrc

A URL pointing to an image to be used as a load indicator.

Type:

String

Default Value: ''

maxHeight

Specifies the maximum height the widget can reach while resizing.

Type:

Number

|

String

|

Function

Return Value:

Number

|

String

The maximum height.

Default Value: 60 (Material)

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;
    }

maxWidth

Specifies the maximum width the widget can reach while resizing.

Type:

Number

|

String

|

Function

Return Value:

Number

|

String

The maximum width.

Default Value: 60 (Material)

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;
    }

message

Specifies the text displayed in the load panel. Ignored in the Material Design theme.

Type:

String

Default Value: 'Loading ...', '' (Material)

minHeight

Specifies the minimum height the widget can reach while resizing.

Type:

Number

|

String

|

Function

Return Value:

Number

|

String

The minimum height.

Default Value: null

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;
    }

minWidth

Specifies the minimum width the widget can reach while resizing.

Type:

Number

|

String

|

Function

Return Value:

Number

|

String

The minimum width.

Default Value: null

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;
    }

onContentReady

A function that is executed when the widget'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

LoadPanel

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

The model data. Available only when using Knockout.

Default Value: null

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

LoadPanel

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

The model data. Available only if you use Knockout.

Default Value: null

onHidden

A function that is executed after the widget is hidden.

Type:

Function

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

LoadPanel

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

The model data. Available only if Knockout is used.

Default Value: null

onHiding

A function that is executed before the widget is hidden.

Type:

Function

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
cancel

Boolean

Allows you to cancel overlay hiding.

component

LoadPanel

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

The model data. Available only if Knockout is used.

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

LoadPanel

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

The 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

LoadPanel

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

onShowing

A function that is executed before the widget is displayed.

Type:

Function

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

LoadPanel

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

The model data. Available only if Knockout is used.

Default Value: null

onShown

A function that is executed after the widget is displayed.

Type:

Function

Function parameters:
e:

Object

Information about the event.

Object structure:
Name Type Description
component

LoadPanel

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

The model data. Available only if Knockout is used.

Default Value: null

position

Positions the widget.

Default Value: { my: 'center', at: 'center', of: window }
Accepted Values: 'bottom' | 'center' | 'left' | 'left bottom' | 'left top' | 'right' | 'right bottom' | 'right top' | 'top'
Raised Events: onPositioning onPositioned

This option accepts one of the following:

  • Position configuration object
    An object that specifies the widget's position.

  • String
    A shortcut listed in the accepted values. Positions the widget relative to the window.

  • Function
    A function that returns one of the above. Use it to position the widget based on a condition.

Use the PositionAlignment 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: Bottom, Center, Left, LeftBottom, LeftTop, RightBottom, RightTop, and Top.

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

shading

Specifies whether to shade the background when the widget is active.

Type:

Boolean

Default Value: true

Shading applies to the first specified element in the following sequence: container => position.of => window

shadingColor

Specifies the shading color.

Type:

String

Default Value: 'transparent', '' (Android, iOS, Windows Mobile)

This option makes sense only if the shading option is set to true.

showIndicator

A Boolean value specifying whether or not to show a load indicator.

Type:

Boolean

Default Value: true

If this option is set to true, a message is displayed and a load indicator turns in a circle while the view's content is loaded. Set this option to false to display only the text message. This can help avoid problems with animation used for the load indicator when running on a slow device.

showPane

A Boolean value specifying whether or not to show the pane behind the load indicator.

Type:

Boolean

Default Value: true

visible

A Boolean value specifying whether or not the widget is visible.

Type:

Boolean

Default Value: false
Raised Events: onShowing onHiding

You can show and hide the widget by changing the value of an observable variable passed to this option.

The widget is automatically hidden after the time specified in the displayTime option.

width

Specifies the widget's width in pixels.

Type:

Number

|

String

|

Function

Return Value:

Number

|

String

The widget's width.

Default Value: 222, 60 (Material)

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;
    }