bibliothek.gui.dock.station.toolbar.ToolbarAttractorStrategy 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.DockController;
import bibliothek.gui.Dockable;
import bibliothek.gui.dock.ScreenDockStation;
import bibliothek.gui.dock.station.screen.magnet.AttractorStrategy;
/**
* This implementation of an {@link AttractorStrategy} reads the current
* {@link ToolbarStrategy#STRATEGY} and assumes that two {@link Dockable}s which
* both are {@link ToolbarStrategy#isToolbarPart(Dockable) toolbar parts}
* attract each other.
*
* @author Benjamin Sigg
*/
public class ToolbarAttractorStrategy implements AttractorStrategy{
@Override
public Attraction attract( ScreenDockStation parent, Dockable moved,
Dockable fixed ){
return attraction(parent, moved, fixed);
}
@Override
public Attraction stick( ScreenDockStation parent, Dockable moved,
Dockable fixed ){
return Attraction.NEUTRAL;
}
/**
* Calculates the result of
* {@link #attract(ScreenDockStation, Dockable, Dockable)}. Subclasses may
* use this method to calculate
* {@link #stick(ScreenDockStation, Dockable, Dockable)} as well.
*
* @param parent
* the parent of moved and fixed
* @param moved
* the {@link Dockable} that was moved
* @param fixed
* the {@link Dockable} that was not moved
* @return whether the two items attract each other
*/
protected Attraction attraction( ScreenDockStation parent, Dockable moved,
Dockable fixed ){
final DockController controller = parent.getController();
if (controller == null){
return Attraction.NEUTRAL;
}
final ToolbarStrategy strategy = controller.getProperties().get(
ToolbarStrategy.STRATEGY);
if (strategy.isToolbarPart(fixed) && strategy.isToolbarPart(moved)){
return Attraction.ATTRACTED;
}
return Attraction.NEUTRAL;
}
}