Angular Menu API
The Menu UI component is a panel with clickable items. A click on an item opens a drop-down menu, which can contain several submenus.
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
Properties
| Name | Description |
|---|---|
| accessKey |
Specifies the shortcut key that sets focus on the UI component. |
| activeStateEnabled |
A Boolean value specifying whether or not the UI component changes its state when interacting with a user. |
| adaptivityEnabled |
Specifies whether adaptive UI component rendering is enabled on small screens. Applies only if the orientation is "horizontal". |
| animation |
Configures UI component visibility animations. This object contains two fields: show and hide. |
| cssClass |
Specifies the name of the CSS class to be applied to the root menu level and all submenus. |
| dataSource |
Binds the UI component to data. |
| disabled |
Specifies whether the UI component responds to user interaction. |
| disabledExpr |
Specifies the name of the data source item field whose value defines whether or not the corresponding UI component item is disabled. |
| displayExpr |
Specifies the data field whose values should be displayed. |
| elementAttr |
Specifies the global attributes to be attached to the UI component's container element. |
| focusStateEnabled |
Specifies whether the UI component can be focused using keyboard navigation. |
| height |
Specifies the UI component's height. |
| hideSubmenuOnMouseLeave |
Specifies whether or not the submenu is hidden when the mouse pointer leaves it. |
| 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. |
| 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 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. |
| onInitialized |
A function used in JavaScript frameworks to save the UI component 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 UI component property is changed. |
| onSelectionChanged |
A function that is executed when a collection item is selected or selection is canceled. |
| onSubmenuHidden |
A function that is executed after a submenu is hidden. |
| onSubmenuHiding |
A function that is executed before a submenu is hidden. |
| onSubmenuShowing |
A function that is executed before a submenu is displayed. |
| onSubmenuShown |
A function that is executed after a submenu is displayed. |
| orientation |
Specifies whether the menu has horizontal or vertical orientation. |
| rtlEnabled |
Switches the UI component 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 UI component items is selected. |
| selectedItem |
The selected item object. |
| selectionMode |
Specifies the selection mode supported by the menu. |
| showFirstSubmenuMode |
Specifies properties for showing and hiding the first level submenu. |
| showSubmenuMode |
Specifies properties of submenu showing and hiding. |
| submenuDirection |
Specifies the direction at which the submenus are displayed. |
| tabIndex |
Specifies the number of the element when the Tab key is used for navigating. |
| visible |
Specifies whether the UI component is visible. |
| width |
Specifies the UI component'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 UI component from refreshing until the endUpdate() method is called. |
| defaultOptions(rule) |
Specifies the device-dependent default configuration properties for this component. |
| dispose() |
Disposes of all the resources allocated to the Menu instance. |
| element() |
Gets the root UI component element. |
| endUpdate() |
Refreshes the UI component after a call of the beginUpdate() method. |
| focus() |
Sets focus on the UI component. |
| getDataSource() |
Gets the DataSource instance. |
| getInstance(element) |
Gets the instance of a UI component found using its DOM node. |
| 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. |
| registerKeyHandler(key, handler) |
Registers a handler to be executed when a user presses a specific key. |
| repaint() |
Repaints the UI component without reloading data. Call it to update the UI component's markup. |
| resetOption(optionName) |
Resets an property to its default value. |
| selectItem(itemElement) |
Selects an item found using its DOM node. |
| unselectItem(itemElement) |
Cancels the selection of an item found using its DOM node. |
Events
| Name | Description |
|---|---|
| contentReady |
Raised when the UI component's content is ready. |
| disposing |
Raised before the UI component is disposed of. |
| initialized |
Raised only once, after the UI component 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 UI component property is changed. |
| selectionChanged |
Raised when a collection item is selected or selection is canceled. |
| submenuHidden |
Raised after a submenu is hidden. |
| submenuHiding |
Raised before a submenu is hidden. |
| submenuShowing |
Raised before a submenu is displayed. |
| submenuShown |
Raised after a submenu is displayed. |
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
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