flash.display.NativeMenuItem - Adobe® AIR® API Reference for HTML Developers

window.runtime property	window.runtime.flash.display.NativeMenuItem

Inheritance	NativeMenuItem EventDispatcher Object

Runtime Versions:

1.0

The NativeMenuItem class represents a single item in a menu.

A menu item can be a command, a submenu, or a separator line:

To create a command item, call the NativeMenuItem constructor, passing in a string for the label and false for the isSeparator parameter.
To create a submenu, create a command item for the parent menu and assign the NativeMenu object of the submenu to the item's submenu property. You can also call the addSubmenu() method of the parent NativeMenu object to create the item and set the submenu property at the same time.
To create a separator, call the NativeMenuItem constructor, passing in an empty string for the label and true for the isSeparator parameter.

Listen for select events on an item or a parent menu to detect when a menu command is selected. Neither submenus nor separators dispatch select events. Listen for preparing events to determine when a menu item is about to be displayed or activated through a key equivalent.

Properties

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	Property		Defined By
		checked : Boolean Controls whether this menu item displays a checkmark.	NativeMenuItem
		constructor : Object A reference to the class object or constructor function for a given object instance.	Object
		data : Object An arbitrary data object associated with this menu item.	NativeMenuItem
		enabled : Boolean Controls whether this menu item is enabled.	NativeMenuItem
		isSeparator : Boolean [read-only] Reports whether this item is a menu separator line.	NativeMenuItem
		keyEquivalent : String The key equivalent for this menu item.	NativeMenuItem
		keyEquivalentModifiers : Array The array of key codes for the key equivalent modifiers.	NativeMenuItem
		label : String The display string of this menu item.	NativeMenuItem
		menu : NativeMenu [read-only] The menu that contains this item.	NativeMenuItem
		mnemonicIndex : int The position of the mnemonic character in the menu item label.	NativeMenuItem
		name : String The name of this menu item.	NativeMenuItem
		prototype : Object [static] A reference to the prototype object of a class or function object.	Object
		submenu : NativeMenu The submenu associated with this menu item.	NativeMenuItem

Public Methods

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	Method		Defined By
		NativeMenuItem(label:String = "", isSeparator:Boolean = false) Creates a new NativeMenuItem object.	NativeMenuItem
		addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void Registers an event listener object with an EventDispatcher object so that the listener receives notification of an event.	EventDispatcher
		clone():NativeMenuItem Creates a copy of the NativeMenuItem object.	NativeMenuItem
		dispatchEvent(event:Event):Boolean Dispatches an event into the event flow.	EventDispatcher
		hasEventListener(type:String):Boolean Checks whether the EventDispatcher object has any listeners registered for a specific type of event.	EventDispatcher
		hasOwnProperty(name:String):Boolean Indicates whether an object has a specified property defined.	Object
		isPrototypeOf(theClass:Object):Boolean Indicates whether an instance of the Object class is in the prototype chain of the object specified as the parameter.	Object
		propertyIsEnumerable(name:String):Boolean Indicates whether the specified property exists and is enumerable.	Object
		removeEventListener(type:String, listener:Function, useCapture:Boolean = false):void Removes a listener from the EventDispatcher object.	EventDispatcher
		setPropertyIsEnumerable(name:String, isEnum:Boolean = true):void Sets the availability of a dynamic property for loop operations.	Object
		toLocaleString():String Returns the string representation of this object, formatted according to locale-specific conventions.	Object
		toString():String [override] Returns a string containing all the properties of the NativeMenuItem object.	NativeMenuItem
		valueOf():Object Returns the primitive value of the specified object.	Object
		willTrigger(type:String):Boolean Checks whether an event listener is registered with this EventDispatcher object or any of its ancestors for the specified event type.	EventDispatcher

Events

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	Summary	Defined By
activate	[broadcast event] Dispatched when the Flash Player or AIR application gains operating system focus and becomes active.	EventDispatcher
deactivate	[broadcast event] Dispatched when the Flash Player or AIR application operating loses system focus and is becoming inactive.	EventDispatcher
displaying	Dispatched by this NativeMenuItem object immediately before the menu containing the item is displayed.	NativeMenuItem
preparing	Dispatched by this NativeMenuItem object when its key equivalent is pressed and immediately before the containing menu is displayed.	NativeMenuItem
select	Dispatched whenever a menu item is selected by the user.	NativeMenuItem

Property Detail

checked

property

checked:Boolean

Runtime Versions:

1.0

Controls whether this menu item displays a checkmark.

data

property

data:Object

Runtime Versions:

1.0

An arbitrary data object associated with this menu item.

You can assign any object to this property. The assigned object is not used by the menu system, but is available to event handling code (through the target property of the event object). By default, the value of this property is null.

enabled

property

enabled:Boolean

Runtime Versions:

1.0

Controls whether this menu item is enabled.

isSeparator

property

isSeparator:Boolean [read-only]

Runtime Versions:

1.0

Reports whether this item is a menu separator line.

Create a separator line by setting the isSeparator parameter in the NativeMenuItem constructor to true.

keyEquivalent

property

keyEquivalent:String

Runtime Versions:

1.0

The key equivalent for this menu item.

Set the keyEquivalent with a lowercase letter to assign a shortcut without a Shift-key modifier. Set with an uppercase letter to assign a shortcut with the Shift-key modifier.

By default, a key equivalent modifier (Ctrl on Windows or Linux and Command on Mac OS X) is included as part of the key equivalent. If you want the key equivalent to be a key with no modifier, set the keyEquivalentModifiers property to an empty array.

keyEquivalentModifiers

property

keyEquivalentModifiers:Array

Runtime Versions:

1.0

The array of key codes for the key equivalent modifiers.

Use the constants defined in the Keyboard class to specify the modifier key codes. Valid modifier keys include:

Keyboard.ALTERNATE
Keyboard.COMMAND
Keyboard.CONTROL

If you do not assign any modifiers, then by default the Keyboard.CONTROL key is assigned on Windows or Linux and the Keyboard.COMMAND key is assigned on Mac OS X. If you do not want the key equivalent to include these modifiers, set this property to an empty array.

If you assign an uppercase letter to the keyEquivalent property, the Shift key is used as a modifier automatically. Setting keyEquivalentModifier to an empty array does not remove the Shift key as a modifier.

See also

Keyboard

label

property

label:String

Runtime Versions:

1.0

The display string of this menu item.

mnemonicIndex

property

mnemonicIndex:int

Runtime Versions:

1.0

The position of the mnemonic character in the menu item label.

The character at the specified position is the mnemonic character for the menu item. The index is zero-based, so the first character has an index of 0.

This property is ignored on operating systems that do not use menu mnemonics.

name

property

name:String

Runtime Versions:

1.0

The name of this menu item.

The name value is not displayed and can be used as a locale-independent identifier. A name is not assigned automatically.

submenu

property

submenu:NativeMenu

Runtime Versions:

1.0

The submenu associated with this menu item.

Assigning a NativeMenu object to this property changes the appearance and behavior of the menu item. A submenu item displays the submenu icon and no longer dispatches select events.

Note: Adding a menu as a submenu of itself (in a circular reference) can cause an application to hang.

See also

NativeMenu.addSubmenu()

Constructor Detail

NativeMenuItem

()

Constructor

public function NativeMenuItem(label:String = "", isSeparator:Boolean = false)

Runtime Versions:

1.0

Creates a new NativeMenuItem object.

To create a menu command, set the label parameter to a string containing the display label and set isSeparator to false.

To create a submenu command, create a command item and then assign the NativeMenu object for the submenu to the item's submenu property. Add the item to the parent menu.

To create a separator, set the label parameter to an empty string and set isSeparator to true.

Add and remove items from a menu using the NativeMenu addItem() and removeItem() methods.

Parameters

	`label:String` (default = "") — The display label for the item, or an empty string for separators.

	`isSeparator:Boolean` (default = `false`) — Set to `true` to create a separator; set to `false` otherwise.

See also

NativeMenu.addSubmenu()

Method Detail

clone

()

method

public function clone():NativeMenuItem

Runtime Versions:

1.0

Creates a copy of the NativeMenuItem object.

Returns

NativeMenuItem

toString

()

method

public function toString():String

Runtime Versions:

1.0

Returns a string containing all the properties of the NativeMenuItem object.

Returns

String — A string containing all the properties of the Event object.

Event Detail

displaying

Event

Event Object Type: flash.events.Event
property Event.type = flash.events.Event.DISPLAYING

Runtime Versions:

1.0

Dispatched by this NativeMenuItem object immediately before the menu containing the item is displayed.

The preparing event supersedes the displaying event and provides additional functionality. Listen for the preparing event or the displaying event, but not both.

The Event.DISPLAYING constant defines the value of the type property of a displaying event object.

Note: This event does not go through a "capture phase" and is dispatched directly to the target, whether the target is on the display list or not.

This event has the following properties:

Property	Value
`bubbles`	`false`
`cancelable`	`false`
`currentTarget`	The object that is actively processing the Event object with an event listener.
`target`	The object that is about to be displayed.

preparing

Event

Event Object Type: flash.events.Event
property Event.type = flash.events.Event.PREPARING

Runtime Versions:

2.6

Dispatched by this NativeMenuItem object when its key equivalent is pressed and immediately before the containing menu is displayed.

Listen to this event to update the item either before the containing menu is displayed, or when its key equivalent is pressed by the user. The preparing event is dispatched before the key equivalent is fully evaluated. You can enable, disable, or remove the item from the menu in the preparing event handler and those changes will be in effect when the key equivalent is processed. For example, if you remove or disable this menu item, then the sequence of events is effectively canceled and no select event is dispatched. A preparing event is also dispatched by the other items in a menu.

The preparing event supersedes the displaying event and provides additional functionality. Listen for the preparing event or the displaying event, but not both.

The Event.PREPARING constant defines the value of the type property of a preparing event object.

Note: This event does not go through a "capture phase" and is dispatched directly to the target, whether the target is on the display list or not.

This event has the following properties:

Property	Value
`bubbles`	`false`
`cancelable`	`false`
`currentTarget`	The object that dispatched this event.
`target`	The object that dispatched this event.

select

Event

Event Object Type: flash.events.Event
property Event.type = flash.events.Event.SELECT

Runtime Versions:

1.0

Dispatched whenever a menu item is selected by the user.

A select event bubbles from this item to its containing menu and on up through the parent menu chain to the root menu object. The target property of the event object references this NativeMenuItem object; the currentTarget property references the dispatching object (either this NativeMenuItem or an ancestral NativeMenu object).

Note: If the window containing the menu is in fullscreen mode (stage.displayState == StageDisplayState.FULL_SCREEN), the NativeMenuItem object does not dispatch a select event when the user enters a keyboard equivalent for a menu item.

The Event.SELECT constant defines the value of the type property of a select event object.

This event has the following properties:

Property	Value
`bubbles`	`false`
`cancelable`	`false`; there is no default behavior to cancel.
`currentTarget`	The object that is actively processing the Event object with an event listener.
`target`	The object on which an item has been selected.

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