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ISystemManager  - AS3 Flex

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What's New
Compiler Errors
Compiler Warnings
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Migrating to ActionScript 3
Supported Character Sets
MXML Only Tags
Motion XML Elements
Timed Text Tags
List of deprecated elements
Accessibility Implementation Constants
How to Use ActionScript Examples
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(Preview)
Packagemx.managers
Interfacepublic interface ISystemManager extends IEventDispatcher , IChildList , IFlexModuleFactory
Implementors SystemManager, WindowedSystemManager

Language Version: ActionScript 3.0
Product Version: Flex 3
Runtime Versions: Flash Player 9, AIR 1.1

An ISystemManager manages an "application window". Every application that runs on the desktop or in a browser has an area where the visuals of the application will be displayed. It may be a window in the operating system or an area within the browser. That is an "application window" and different from an instance of mx.core.Application, which is the main "top-level" window within an application.

Every application has an ISystemManager. The ISystemManager sends an event if the size of the application window changes (you cannot change it from within the application, but only through interaction with the operating system window or browser). It parents all displayable items within the application, such as the main mx.core.Application instance and all popups, tooltips, cursors, an so on. Any object parented by the ISystemManager is considered to be a "top-level" window, even tooltips and cursors.

The ISystemManager also switches focus between top-level windows if there are more than one IFocusManagerContainer displayed and users are interacting with components within the IFocusManagerContainers.

All keyboard and mouse activity that is not expressly trapped is seen by the ISystemManager, making it a good place to monitor activity should you need to do so.

If an application is loaded into another application, an ISystemManager will still be created, but will not manage an "application window", depending on security and domain rules. Instead, it will be the content of the Loader that loaded it and simply serve as the parent of the sub-application

The ISystemManager maintains multiple lists of children, one each for tooltips, cursors, popup windows. This is how it ensures that popup windows "float" above the main application windows and that tooltips "float" above that and cursors above that. If you examine the numChildren property or getChildAt() method on the ISystemManager you are accessing the main application window and any other windows that aren't popped up. To get the list of all windows, including popups, tooltips and cursors, use the rawChildren property.



Public Properties
 PropertyDefined By
  cursorChildren : IChildList
[read-only] An list of the custom cursors being parented by this ISystemManager.
ISystemManager
  document : Object
A reference to the document object.
ISystemManager
  focusPane : Sprite
A single Sprite shared among components used as an overlay for drawing focus.
ISystemManager
  isProxy : Boolean
[read-only] True if the ISystemManager is a proxy and not a root class.
ISystemManager
  loaderInfo : LoaderInfo
[read-only] The LoaderInfo object that represents information about the application.
ISystemManager
  numModalWindows : int
The number of modal windows.
ISystemManager
  popUpChildren : IChildList
[read-only] An list of the topMost (popup) windows being parented by this ISystemManager.
ISystemManager
  rawChildren : IChildList
[read-only] A list of all children being parented by this ISystemManager.
ISystemManager
  screen : Rectangle
[read-only] The size and position of the application window.
ISystemManager
  stage : Stage
[read-only] The flash.display.Stage that represents the application window mapped to this SystemManager
ISystemManager
  toolTipChildren : IChildList
[read-only] A list of the tooltips being parented by this ISystemManager.
ISystemManager
  topLevelSystemManager : ISystemManager
[read-only] The ISystemManager responsible for the application window.
ISystemManager
Public Methods
 MethodDefined By
 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.
IEventDispatcher
  
Deploy or remove mouse shields.
ISystemManager
 Inherited
Dispatches an event into the event flow.
IEventDispatcher
  
Converts the given String to a Class or package-level Function.
ISystemManager
  
Gets the system manager that is the root of all top level system managers in this SecurityDomain.
ISystemManager
  
Attempts to get the system manager that is the in the main application.
ISystemManager
  
getVisibleApplicationRect(bounds:Rectangle = null, skipToSandboxRoot:Boolean = false):Rectangle
Get the bounds of the loaded application that are visible to the user on the screen.
ISystemManager
 Inherited
Checks whether the EventDispatcher object has any listeners registered for a specific type of event.
IEventDispatcher
  
Attempt to notify the parent SWFLoader that the application's size may have changed.
ISystemManager
  
Returns true if the required font face is embedded in this application, or has been registered globally by using the Font.registerFont() method.
ISystemManager
  
Returns true if this ISystemManager is responsible for an application window, and false if this application has been loaded into another application.
ISystemManager
  
Tests if this system manager is the root of all top level system managers.
ISystemManager
 Inherited
removeEventListener(type:String, listener:Function, useCapture:Boolean = false):void
Removes a listener from the EventDispatcher object.
IEventDispatcher
 Inherited
Checks whether an event listener is registered with this EventDispatcher object or any of its ancestors for the specified event type.
IEventDispatcher
Property Detail
Method Detail