Angular ContextMenu API

The ContextMenu widget displays a single- or multi-level context menu. An end user invokes this menu by a right click or a long press.

import { DxContextMenuModule } from "devextreme-angular"

Type: DxContextMenuTypes.default

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Properties

An object defining configuration options for the ContextMenu widget.

Name	Description
accessKey	Specifies the shortcut key that sets focus on the widget.
activeStateEnabled	A Boolean value specifying whether or not the widget changes its state when interacting with a user.
animation	Configures widget visibility animations. This object contains two fields: show and hide.
closeOnOutsideClick	Specifies whether to close the ContextMenu if a user clicks outside it.
cssClass	Specifies the name of the CSS class to be applied to the root menu level and all submenus.
dataSource	Binds the widget to data.
disabled	Specifies whether the widget responds to user interaction.
disabledExpr	Specifies the name of the data source item field whose value defines whether or not the corresponding widget item is disabled.
displayExpr	Specifies the data field whose values should be displayed.
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.
itemComponent	An alias for the itemTemplate option specified in React. Accepts a custom component. Refer to Using a Custom Component for more information.
itemRender	An alias for the itemTemplate option specified in React. Accepts a rendering function. Refer to Using a Rendering Function for more information.
items	Holds an array of menu items.
itemsExpr	Specifies which data field contains nested items.
itemTemplate	Specifies a custom template for items.
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.
onHidden	A function that is executed after the ContextMenu is hidden.
onHiding	A function that is executed before the ContextMenu is hidden.
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.
onItemRendered	A function that is executed after a collection item is rendered.
onOptionChanged	A function that is executed after a widget option is changed.
onPositioning	A function that is executed before the ContextMenu is positioned.
onSelectionChanged	A function that is executed when a collection item is selected or selection is canceled.
onShowing	A function that is executed before the ContextMenu is shown.
onShown	A function that is executed after the ContextMenu is shown.
position	An object defining widget positioning options.
rtlEnabled	Switches the widget to a right-to-left representation.
selectByClick	Specifies whether or not an item becomes selected if a user clicks it.
selectedExpr	Specifies the name of the data source item field whose value defines whether or not the corresponding widget items is selected.
selectedItem	The selected item object.
selectionMode	Specifies the selection mode supported by the menu.
showEvent	Specifies options for displaying the widget.
showSubmenuMode	Specifies options of submenu showing and hiding.
submenuDirection	Specifies the direction at which submenus are displayed.
tabIndex	Specifies the number of the element when the Tab key is used for navigating.
target	The target element associated with the context menu.
visible	A Boolean value specifying whether or not the widget is visible.
width	Specifies the widget's width.

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 ContextMenu 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.
hide()	Hides the widget.
instance()	Gets the widget's instance. Use it to access other methods of the widget.
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.
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.
selectItem(itemElement)	Selects an item found using its DOM node.
show()	Shows the widget.
toggle(showing)	Shows or hides the widget depending on the argument.
unselectItem(itemElement)	Cancels the selection of an item found using its DOM node.

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.
hidden	Raised after the ContextMenu is hidden.
hiding	Raised before the ContextMenu is hidden.
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.
itemRendered	Raised after a collection item is rendered.
optionChanged	Raised after a widget option is changed.
positioning	Raised before the ContextMenu is positioned.
selectionChanged	Raised when a collection item is selected or selection is canceled.
showing	Raised before the ContextMenu is shown.
shown	Raised after the ContextMenu is shown.

Default Item Template

This section lists the data source fields that are used in a default item template.

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 ContextMenu API

See Also

Properties

See Also

Methods

See Also

Events

See Also

Default Item Template

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