bibliothek.gui.dock.station

Class OrientationObserver

java.lang.Object

bibliothek.gui.dock.station.OrientationObserver

All Implemented Interfaces:

OrientingDockStationListener

public abstract class OrientationObserver
extends Object
implements OrientingDockStationListener

The OrientationObserver adds itself as OrientingDockStationListener to the first OrientingDockStation that is found as parent of a specific Dockable.

Author:

Benjamin Sigg

Constructor Summary

Constructors

Constructor and Description
OrientationObserver(Dockable dockable) Creates a new observer

Method Summary

Modifier and Type	Method and Description
void	changed(OrientingDockStationEvent event) Called if the Orientation of one or many children of some OrientingDockStation has changed.
void	destroy() Destroys this observer, all resources are prepared for garbage collection.
Dockable	getDockable() Gets the Dockable which is monitored by this OrientationObserver.
Orientation	getOrientation() Gets the Orientation that should currently be applied to the dockable,
protected abstract void	orientationChanged(Orientation current) Called if the orientation of the dockable changed.

Methods inherited from class java.lang.Object

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

Constructor Detail

OrientationObserver

public OrientationObserver(Dockable dockable)

Creates a new observer

Parameters:

dockable - the element whose parent OrientingDockStation should be observed

Method Detail

destroy

public void destroy()

Destroys this observer, all resources are prepared for garbage collection.

getDockable

public Dockable getDockable()

Gets the Dockable which is monitored by this OrientationObserver.

Returns:

the element, not null

orientationChanged

protected abstract void orientationChanged(Orientation current)

Called if the orientation of the dockable changed. This method may be called several times with the same argument.

Parameters:

current - the new orientation, can null if the dockable does not have an OrientingDockStation as parent

getOrientation

public Orientation getOrientation()

Gets the Orientation that should currently be applied to the dockable,

Returns:

the current orientation or null if the dockable does not have an OrientingDockStation as parent.

changed

public void changed(OrientingDockStationEvent event)

Description copied from interface: OrientingDockStationListener

Called if the Orientation of one or many children of some OrientingDockStation has changed.

Specified by:

changed in interface OrientingDockStationListener

Parameters:

event - detailed information about the event