bibliothek.gui.dock.control
Class SingleParentRemover

java.lang.Object
  bibliothek.gui.dock.control.SingleParentRemover

Direct Known Subclasses:

CSingleParentRemover

public class SingleParentRemover
extends Object

An observer of a DockController. The remover ensures that there is no dockable DockStation with only one or none child.

Author:

Benjamin Sigg

Constructor Summary

SingleParentRemover()

Method Summary

void	install(DockController controller) Commands this remover to observe controller.
protected boolean	shouldTest(DockStation station) Tells whether station should be automatically removed or just be ignored.
protected boolean	test(DockStation station) Tries to replace station with its only child or remove station if it has no children at all.
void	testAll(DockController controller) Tests all stations of controller and removes as many of them as possible
void	uninstall(DockController controller) Commands this remover that it should no longer observe controller.

Methods inherited from class java.lang.Object

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

Constructor Detail

SingleParentRemover

public SingleParentRemover()

Method Detail

install

public void install(DockController controller)

Commands this remover to observe controller.

Parameters:

controller - a controller to observe

uninstall

public void uninstall(DockController controller)

Commands this remover that it should no longer observe controller.

Parameters:

controller - a controller

testAll

public void testAll(DockController controller)

Tests all stations of controller and removes as many of them as possible

Parameters:

controller - the controller to test

shouldTest

protected boolean shouldTest(DockStation station)

Tells whether station should be automatically removed or just be ignored.

Parameters:

station - a station to test

Returns:

true if the station may be removed by this remover, false otherwise.

test

protected boolean test(DockStation station)

Tries to replace station with its only child or remove station if it has no children at all. If the parent of station refuses to accept the replacement or station refuses to let its child go, nothing will happen.

Parameters:

station - the station to test

Returns:

whether the station was replaced or removed