/*
 * 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
 * rvguillaume@hotmail.com
 * FR - France
 *
 * Benjamin Sigg
 * benjamin_sigg@gmx.ch
 * CH - Switzerland
 */

package bibliothek.gui.dock.station.toolbar.layout;

import bibliothek.gui.Dockable;
import bibliothek.gui.dock.station.support.ConvertedPlaceholderListItem;
import bibliothek.gui.dock.station.support.PlaceholderListItem;
import bibliothek.gui.dock.station.support.PlaceholderMap;

/**
 * A converter used by the {@link PlaceholderToolbarGrid} when reading a
 * {@link PlaceholderMap}.
 * 
 * @author Benjamin Sigg
 * @param <D>
 *            the type that represents a dockable
 * @param <P>
 *            the type that is actually stored in the grid
 */
public interface PlaceholderToolbarGridConverter<D, P extends PlaceholderListItem<D>> {
	/**
	 * Converts the {@link Dockable} <code>dockable</code> into an item that can
	 * be shown in the view. This method is also responsible for actually adding
	 * the item to the view.
	 * 
	 * @param dockable
	 *            the dockable to convert
	 * @param item
	 *            the item that is converted, may contain additional information
	 * @return the item that is shown in the view
	 */
	public P convert( D dockable, ConvertedPlaceholderListItem item );

	/**
	 * Called after the item <code>item</code> has been added to the grid.
	 * 
	 * @param item
	 *            the item that was added
	 */
	public void added( P item );
}