Angular Gallery API

The Gallery is a widget that displays a collection of images in a carousel. The widget is supplied with various navigation controls that allow a user to switch between images.

import { DxGalleryModule } from "devextreme-angular"

Type: DxGalleryTypes.default

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Properties

An object defining configuration options for the Gallery widget.

Name	Description
accessKey	Specifies the shortcut key that sets focus on the widget.
animationDuration	The time, in milliseconds, spent on slide animation.
animationEnabled	Specifies whether or not to animate the displayed item change.
dataSource	Binds the widget to data.
disabled	Specifies whether the widget responds to user interaction.
elementAttr	Specifies the attributes to be attached to the widget's root element.
focusStateEnabled	Specifies whether the widget can be focused using keyboard navigation.
height	Specifies the widget's height.
hint	Specifies text for a hint that appears when a user pauses on the widget.
hoverStateEnabled	Specifies whether the widget changes its state when a user pauses on it.
indicatorEnabled	A Boolean value specifying whether or not to allow users to switch between items by clicking an indicator.
initialItemWidth	Specifies the width of an area used to display a single image.
itemComponent	An alias for the itemTemplate option specified in React. Accepts a custom component. Refer to Using a Custom Component for more information.
itemHoldTimeout	The time period in milliseconds before the onItemHold event is raised.
itemRender	An alias for the itemTemplate option specified in React. Accepts a rendering function. Refer to Using a Rendering Function for more information.
items	An array of items displayed by the widget.
itemTemplate	Specifies a custom template for items.
loop	A Boolean value specifying whether or not to scroll back to the first item after the last item is swiped.
onContentReady	A function that is executed when the widget's content is ready and each time the content is changed.
onDisposing	A function that is executed before the widget is disposed of.
onInitialized	A function used in JavaScript frameworks to save the widget instance.
onItemClick	A function that is executed when a collection item is clicked or tapped.
onItemContextMenu	A function that is executed when a collection item is right-clicked or pressed.
onItemHold	A function that is executed when a collection item has been held for a specified period.
onItemRendered	A function that is executed after a collection item is rendered.
onOptionChanged	A function that is executed after a widget option is changed.
onSelectionChanged	A function that is executed when a collection item is selected or selection is canceled.
rtlEnabled	Switches the widget to a right-to-left representation.
selectedIndex	The index of the currently active gallery item.
selectedItem	The selected item object.
showIndicator	A Boolean value specifying whether or not to display an indicator that points to the selected gallery item.
showNavButtons	A Boolean value that specifies the availability of the "Forward" and "Back" navigation buttons.
slideshowDelay	The time interval in milliseconds, after which the gallery switches to the next item.
stretchImages	Specifies if the widget stretches images to fit the total gallery width.
swipeEnabled	A Boolean value specifying whether or not to allow users to switch between items by swiping.
tabIndex	Specifies the number of the element when the Tab key is used for navigating.
visible	Specifies whether the widget is visible.
width	Specifies the widget's width.
wrapAround	Specifies whether or not to display parts of previous and next images along the sides of the current image.

Methods

This section describes members used to manipulate the widget.

Name	Description
beginUpdate()	Prevents the widget from refreshing until the endUpdate() method is called.
defaultOptions(rule)	Specifies the device-dependent default configuration options for this component.
dispose()	Disposes of all the resources allocated to the Gallery instance.
element()	Gets the root widget element.
endUpdate()	Refreshes the widget after a call of the beginUpdate() method.
focus()	Sets focus on the widget.
getDataSource()	Gets the DataSource instance.
getInstance(element)	Gets the instance of a widget found using its DOM node.
goToItem(itemIndex, animation)	Shows a specific image.
instance()	Gets the widget's instance. Use it to access other methods of the widget.
nextItem(animation)	Shows the next image.
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 widget options.
option(optionName)	Gets the value of a single option.
option(optionName, optionValue)	Updates the value of a single option.
option(options)	Updates the values of several options.
prevItem(animation)	Shows the previous image.
registerKeyHandler(key, handler)	Registers a handler to be executed when a user presses a specific key.
repaint()	Repaints the widget without reloading data. Call it to update the widget's markup.

Events

This section describes events fired by this widget.

Name	Description
contentReady	Raised when the widget's content is ready.
disposing	Raised before the widget is disposed of.
initialized	Raised only once, after the widget is initialized.
itemClick	Raised when a collection item is clicked or tapped.
itemContextMenu	Raised when a collection item is right-clicked or pressed.
itemHold	Raised when a collection item has been held for a specified period.
itemRendered	Raised after a collection item is rendered.
optionChanged	Raised after a widget option is changed.
selectionChanged	Raised when a collection item is selected or selection is canceled.

Default Item Template

This section lists the data source fields that are used in a default template for gallery items.

Type:

Object

By default, a predefined item template is applied to display the items of this widget. This template is based on certain fields of the data source provided for this widget. Below is the list of these fields. If the default item template is not appropriate for your task, implement a custom item template based on these or other fields of your data source.

Angular Gallery API

See Also

Properties

See Also

Methods

See Also

Events

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Default Item Template

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