bibliothek.gui.dock.station.toolbar.AbstractToolbarMerger Maven / Gradle / Ivy
/*
* 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) 2012 Herve Guillaume, 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
*
* Herve Guillaume
* [email protected]
* FR - France
*
* Benjamin Sigg
* [email protected]
* CH - Switzerland
*/
package bibliothek.gui.dock.station.toolbar;
import bibliothek.gui.DockStation;
import bibliothek.gui.dock.AbstractToolbarDockStation;
import bibliothek.gui.dock.control.relocator.Merger;
import bibliothek.gui.dock.station.StationDropOperation;
/**
* An algorithm allowing to merge two {@link AbstractToolbarDockStation}s
* together.
*
* @author Benjamin Sigg
* @author Herve Guillaume
*/
public abstract class AbstractToolbarMerger implements Merger{
/**
* Checks whether the type of station is valid for this merger.
*
* @param station
* can either be the parent of the child that is merged
* @return true if the type is accepted
*/
protected abstract boolean validType( AbstractToolbarDockStation station );
@Override
public boolean canMerge( StationDropOperation operation,
DockStation parent, DockStation child ){
return ((operation == null) || !operation.isMove())
&& (parent instanceof AbstractToolbarDockStation)
&& validType((AbstractToolbarDockStation) parent)
&& (child instanceof AbstractToolbarDockStation)
&& validType((AbstractToolbarDockStation) child);
}
}