BETA ActionScript® 3.0 Reference for the Adobe® Flash® Platform
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spark.components.supportClasses 

DropDownController  - AS3 Flex
(Preview)
Packagespark.components.supportClasses
Classpublic class DropDownController
InheritanceDropDownController Inheritance EventDispatcher Inheritance Object

Language Version: ActionScript 3.0
Product Version: Flex 4
Runtime Versions: Flash Player 10, AIR 1.5

The DropDownController class handles the mouse, keyboard, and focus interactions for an anchor button and its associated drop down. This class is used by the drop-down components, such as DropDownList, to handle the opening and closing of the drop down due to user interactions.

Related API Elements

spark.components.DropDownList

Public Properties
 PropertyDefined By
      closeOnResize : Boolean
When true, resizing the system manager closes the drop down.
DropDownController
 Inheritedconstructor : Object
A reference to the class object or constructor function for a given object instance.
Object
  hitAreaAdditions : Vector.<DisplayObject>
A list of display objects to consider part of the hit area of the drop down.
DropDownController
  isOpen : Boolean
[read-only] Contains true if the drop down is open.
DropDownController
  openButton : ButtonBase
A reference to the openButton skin part of the drop-down component.
DropDownController
  rollOverOpenDelay : Number
Specifies the delay, in milliseconds, to wait for opening the drop down when the anchor button is rolled over.
DropDownController
  systemManager : ISystemManager
A reference to the SystemManager used for mouse tracking.
DropDownController
Public Methods
 MethodDefined By
  
DropDownController()
Constructor.
DropDownController
 Inherited
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
  
closeDropDown(commit:Boolean):void
Close the drop down and dispatch a DropDownEvent.CLOSE event.
DropDownController
 Inherited
dispatchEvent(event:Event):Boolean
Dispatches an event into the event flow.
EventDispatcher
 Inherited
hasEventListener(type:String):Boolean
Checks whether the EventDispatcher object has any listeners registered for a specific type of event.
EventDispatcher
 Inherited
hasOwnProperty(name:String):Boolean
Indicates whether an object has a specified property defined.
Object
 Inherited
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
  
openDropDown():void
Open the drop down and dispatch a DropdownEvent.OPEN event.
DropDownController
  
processFocusOut(event:FocusEvent):void
Close the drop down if it is no longer in focus.
DropDownController
  
processKeyDown(event:KeyboardEvent):Boolean
Handles the keyboard user interactions.
DropDownController
 Inherited
propertyIsEnumerable(name:String):Boolean
Indicates whether the specified property exists and is enumerable.
Object
 Inherited
removeEventListener(type:String, listener:Function, useCapture:Boolean = false):void
Removes a listener from the EventDispatcher object.
EventDispatcher
 Inherited
setPropertyIsEnumerable(name:String, isEnum:Boolean = true):void
Sets the availability of a dynamic property for loop operations.
Object
 Inherited
toLocaleString():String
Returns the string representation of this object, formatted according to locale-specific conventions.
Object
 Inherited
toString():String
Returns the string representation of the specified object.
Object
 Inherited
valueOf():Object
Returns the primitive value of the specified object.
Object
 Inherited
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
Click for more information on events
 Event Summary Defined By
 Inherited
activate
[broadcast event] Dispatched when the Flash Player or AIR application gains operating system focus and becomes active.EventDispatcher
 Inherited
deactivate
[broadcast event] Dispatched when the Flash Player or AIR application operating loses system focus and is becoming inactive.EventDispatcher
Property Detail
Constructor Detail
Method Detail



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Wed Nov 21 2018, 06:34 AM -08:00
 
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