/*
* 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) 2007 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;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import bibliothek.gui.Dockable;
import bibliothek.gui.dock.common.intern.CDockable;
import bibliothek.gui.dock.common.intern.CommonDockable;
import bibliothek.gui.dock.control.focus.FocusHistory;
import bibliothek.util.Filter;
/**
* The default implementation of {@link CFocusHistory} does not offer any additional
* functionality.
* @author Benjamin Sigg
*/
public class DefaultCFocusHistory implements CFocusHistory{
private CControl control;
/**
* Creates a new history
* @param control the source of all {@link CDockable}s
*/
public DefaultCFocusHistory( CControl control ){
this.control = control;
}
public CDockable[] getHistory(){
FocusHistory history = control.getController().getFocusHistory();
List<CDockable> result = new ArrayList<CDockable>();
Dockable[] dockables = history.getHistory();
for( int i = dockables.length-1; i >= 0; i-- ){
Dockable dockable = dockables[i];
if( dockable instanceof CommonDockable ){
CDockable cdockable = ((CommonDockable)dockable).getDockable();
result.add( cdockable );
}
}
return result.toArray( new CDockable[ result.size() ] );
}
public CDockable getFirst( Filter<CDockable> filter ){
CDockable[] history = getHistory();
Set<CDockable> visited = new HashSet<CDockable>();
for( CDockable dockable : history ){
if( filter.includes( dockable )){
return dockable;
}
visited.add( dockable );
}
for( CDockable dockable : control.getRegister().getDockables() ){
if( !visited.contains( dockable )){
if( filter.includes( dockable )){
return dockable;
}
}
}
return null;
}
}