JavaScript/jQuery LoadPanel API

The LoadPanel is an overlay UI component notifying the viewer that loading is in progress.

import LoadPanel from "devextreme/ui/load_panel"
Type:

Object

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Configuration

An object that defines configuration properties for the LoadPanel UI component.

Name Description
animation

Configures UI component visibility animations. This object contains two fields: show and hide.
closeOnOutsideClick

Specifies whether to close the UI component if a user clicks outside it.
container

Specifies the UI component's container.
deferRendering

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

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

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

Specifies whether or not the UI component can be focused.
height

Specifies the UI component's height in pixels.
hint

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

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

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

Specifies the maximum height the UI component can reach while resizing.
maxWidth

Specifies the maximum width the UI component can reach while resizing.
message

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

Specifies the minimum height the UI component can reach while resizing.
minWidth

Specifies the minimum width the UI component can reach while resizing.
onContentReady

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

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

A function that is executed after the UI component is hidden.
onHiding

A function that is executed before the UI component is hidden.
onInitialized

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

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

A function that is executed before the UI component is displayed.
onShown

A function that is executed after the UI component is displayed.
position

Positions the UI component.
rtlEnabled

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

Specifies whether to shade the background when the UI component is active.
shadingColor

Specifies the shading color. Applies only if shading is enabled.
showIndicator

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

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

A Boolean value specifying whether or not the UI component is visible.
width

Specifies the UI component's width in pixels.

See Also

Methods

This section describes members used to manipulate the UI component.

Name Description
beginUpdate()

Prevents the UI component from refreshing until the endUpdate() method is called.
content()

Gets the UI component's content.
defaultOptions(rule)

Specifies the device-dependent default configuration properties for this component.
dispose()

Disposes of all the resources allocated to the LoadPanel instance.
element()

Gets the root UI component element.
endUpdate()

Refreshes the UI component after a call of the beginUpdate() method.
getInstance(element)

Gets the instance of a UI component found using its DOM node.
hide()

Hides the UI component.
instance()

Gets the UI component's instance. Use it to access other methods of the UI component.
off(eventName)

Detaches all event handlers from a single event.
off(eventName, eventHandler)

Detaches a particular event handler from a single event.
on(eventName, eventHandler)

Subscribes to an event.
on(events)

Subscribes to events.
option()

Gets all UI component properties.
option(optionName)

Gets the value of a single property.
option(optionName, optionValue)

Updates the value of a single property.
option(options)

Updates the values of several properties.
repaint()

Recalculates the UI component's size and position without rerendering.
resetOption(optionName)

Resets a property to its default value.
show()

Shows the UI component.
toggle(showing)

Shows or hides the UI component depending on the argument.

See Also

Events

This section describes events fired by this UI component.

Name Description
contentReady

Raised when the UI component's content is ready.
disposing

Raised before the UI component is disposed of.
hidden

Raised after the UI component is hidden.
hiding

Raised before the UI component is hidden.
initialized

Raised only once, after the UI component is initialized.
optionChanged

Raised after a UI component property is changed.
showing

Raised before the UI component is displayed.
shown

Raised after the UI component is displayed.

See Also