/*
* FilterDropDownAction.java
*
* This file is part of the STS-Tool project.
* Copyright (c) 2011-2012 "University of Trento - DISI" All rights reserved.
*
* Is strictly forbidden to remove this copyright notice from this source code.
*
* Disclaimer of Warranty:
* STS-Tool (this software) is provided "as-is" and without warranty of any kind, 
* express, implied or otherwise, including without limitation, any warranty of 
* merchantability or fitness for a particular purpose.
* In no event shall the copyright holder or contributors be liable for any direct,
* indirect, incidental, special, exemplary, or consequential damages
* including, but not limited to, procurement of substitute goods or services;
* loss of use, data, or profits; or business interruption) however caused and on
* any theory of liability, whether in contract, strict liability, or tort (including
* negligence or otherwise) arising in any way out of the use of this software, even 
* if advised of the possibility of such damage.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY 
* "University of Trento - DISI","University of Trento - DISI" DISCLAIMS THE
* WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
*
* See the GNU Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public License
* along with this program; if not, see http://www.gnu.org/licenses or write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA, 02110-1301 USA, or download the license from the following URL:
* http://www.sts-tool.eu/License.php
*
* For more information, please contact STS-Tool group at this
* address: ststool@disi.unitn.it
*
*/
package eu.aniketos.wp1.ststool.commitments.actions;


import java.util.ArrayList;
import java.util.List;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.ActionContributionItem;
import org.eclipse.jface.action.IMenuCreator;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Menu;
import eu.aniketos.wp1.ststool.commitments.Activator;

public class FilterDropDownAction extends Action implements IMenuCreator {

	private Menu			fMenu;
	private List<Action>	actions	= new ArrayList<Action>();

	public FilterDropDownAction() {

		setImageDescriptor(Activator.imageDescriptorFromPlugin(Activator.PLUGIN_ID, "/icons/filter.gif"));
		setToolTipText("Filter");
		setMenuCreator(this);
	}

	public void dispose(){

		if (fMenu != null) {
			fMenu.dispose();
			fMenu = null;
		}
	}

	public Menu getMenu(Menu parent){

		return null;
	}

	public Menu getMenu(Control parent){

		if (fMenu != null) fMenu.dispose();

		fMenu = new Menu(parent);

		for (Action a : actions) {
			addActionToMenu(fMenu, a);
		}

		return fMenu;
	}

	protected void addActionToMenu(Menu parent,Action action){

		ActionContributionItem item = new ActionContributionItem(action);
		item.fill(parent, -1);
	}

	@Override
	public void run(){

	}

	/**
	 * Get's rid of the menu, because the menu hangs on to the searches, etc.
	 */
	void clear(){

		dispose();
	}

	public void add(Action a){

		actions.add(a);
	}

	public void remove(Action a){

		actions.remove(a);
	}
}