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A window docking framework for Swing
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/*
* 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) 2010 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
* [email protected]
* CH - Switzerland
*/
package bibliothek.gui.dock.util;
import java.util.ArrayList;
import java.util.List;
/**
* An abstract implementation of {@link UIScheme} offering support for listeners.
* @author Benjamin Sigg
*
* @param The kind of value managed by the scheme
* @param The kind of {@link UIValue} required to access the values
* @param The kind of filter between V and U
*/
public abstract class AbstractUIScheme, B extends UIBridge> implements UIScheme{
/** all the listeners of this scheme */
private List> listeners = new ArrayList>();
public void addListener( UISchemeListener listener ){
if( listener == null ){
throw new IllegalArgumentException( "listener must not be null" );
}
listeners.add( listener );
}
public void removeListener( UISchemeListener listener ){
listeners.remove( listener );
}
/**
* Fires the event event to all registered {@link UISchemeListener}s.
* @param event the event to fire
*/
@SuppressWarnings("unchecked")
protected void fire( UISchemeEvent event ){
UISchemeListener[] listeners = this.listeners.toArray( new UISchemeListener[ this.listeners.size() ] );
for( UISchemeListener listener : listeners ){
listener.changed( event );
}
}
}