Vue 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.
See Also
- Set Up DevExtreme: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
- Configure a Widget: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
Configuration
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 property specified in React. Accepts a custom component. Refer to Using a Custom Component for more information. |
itemRender |
An alias for the itemTemplate property 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. |
See Also
- Configure a Widget: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
Methods
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. |
resetOption(optionName) |
Resets an option to its default value. |
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. |
See Also
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
Events
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. |
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
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