/*
* Bibliothek - DockingFrames
* Library built on Java/Swing, allows the user to "drag and drop"
* panels containing any Swing-Component the developer likes to add.
*
* Copyright (C) 2009 Benjamin Sigg
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Benjamin Sigg
* benjamin_sigg@gmx.ch
* CH - Switzerland
*/
package bibliothek.gui.dock.common.intern.ui;
import java.util.ArrayList;
import java.util.List;
import bibliothek.gui.DockStation;
import bibliothek.gui.Dockable;
import bibliothek.gui.dock.StackDockStation;
import bibliothek.gui.dock.common.CControl;
import bibliothek.gui.dock.common.event.CDockableAdapter;
import bibliothek.gui.dock.common.event.CDockablePropertyListener;
import bibliothek.gui.dock.common.intern.CDockable;
import bibliothek.gui.dock.common.intern.CommonDockable;
import bibliothek.gui.dock.displayer.SingleTabDecider;
import bibliothek.gui.dock.event.SingleTabDeciderListener;
/**
* Observes and handles the single-tab property of {@link CDockable}s.
* @author Benjamin Sigg
*/
public class CommonSingleTabDecider implements SingleTabDecider {
private List<SingleTabDeciderListener> listeners = new ArrayList<SingleTabDeciderListener>();
private CControl control;
private CDockablePropertyListener dockableListener = new CDockableAdapter(){
@Override
public void singleTabShownChanged( CDockable cdockable ){
Dockable dockable = cdockable.intern();
for( SingleTabDeciderListener listener : listeners() ){
listener.showSingleTabChanged( CommonSingleTabDecider.this, dockable );
}
}
};
/**
* Creates a new decider
* @param control the realm in which this decider works
*/
public CommonSingleTabDecider( CControl control ){
this.control = control;
}
public void addSingleTabDeciderListener( SingleTabDeciderListener listener ){
boolean empty = listeners.isEmpty();
listeners.add( listener );
if( empty ){
control.addPropertyListener( dockableListener );
}
}
public void removeSingleTabDeciderListener( SingleTabDeciderListener listener ){
listeners.remove( listener );
if( listeners.isEmpty() ){
control.removePropertyListener( dockableListener );
}
}
/**
* Gets all listeners that are currently registered at this decider.
* @return all listeners
*/
protected SingleTabDeciderListener[] listeners(){
return listeners.toArray( new SingleTabDeciderListener[ listeners.size() ] );
}
public boolean showSingleTab( DockStation station, Dockable dockable ){
if( dockable.asDockStation() != null )
return false;
if( station instanceof StackDockStation )
return false;
if( dockable instanceof CommonDockable ){
CDockable cdockable = ((CommonDockable)dockable).getDockable();
return cdockable.isSingleTabShown();
}
return false;
}
}