asquare.gwt.tk.client.ui.behavior
Class ControllerSupportDelegate

java.lang.Object
  asquare.gwt.tk.client.ui.behavior.ControllerSupportDelegate

public class ControllerSupportDelegate
extends Object

A delegate class which manages controller bookkeeping and lifecycle. Ideally, this fuctionality would be in a superclass like Widget.

Constructor Summary

ControllerSupportDelegate(Widget widget)
Creates a delegate for the specified widget.

Method Summary

Widget	addController(Controller controller)
Controller	getController(Class id)
int	getLegacyEventBits() Gets the event bits which were sunk on the widget itself.
void	onAttach()
void	onBrowserEvent(Event event)
void	onDetach()
Widget	removeController(Controller controller)
void	setControllers(List controllers)
void	sinkEvents(int eventBits)
void	unsinkEvents(int eventBits)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ControllerSupportDelegate

public ControllerSupportDelegate(Widget widget)

Creates a delegate for the specified widget.

Method Detail

getLegacyEventBits

public int getLegacyEventBits()

Gets the event bits which were sunk on the widget itself. Used to determine which events should be passed to a widget's onBrowserEvent() method. This can happen when subclassing or wrapping a widget.

Returns:

a bitmask of the event types

See Also:

Event

sinkEvents

public void sinkEvents(int eventBits)

unsinkEvents

public void unsinkEvents(int eventBits)

getController

public Controller getController(Class id)

addController

public Widget addController(Controller controller)

Throws:

IllegalArgumentException - if controller is null

removeController

public Widget removeController(Controller controller)

Throws:

IllegalArgumentException - if controller is not present

setControllers

public void setControllers(List controllers)

onAttach

public void onAttach()

onDetach

public void onDetach()

onBrowserEvent

public void onBrowserEvent(Event event)