AbstractSceneViewer.java

/**
 * eAdventure (formerly <e-Adventure> and <e-Game>) is a research project of the
 *    <e-UCM> research group.
 *
 *    Copyright 2005-2010 <e-UCM> research group.
 *
 *    You can access a list of all the contributors to eAdventure at:
 *          http://e-adventure.e-ucm.es/contributors
 *
 *    <e-UCM> is a research group of the Department of Software Engineering
 *          and Artificial Intelligence at the Complutense University of Madrid
 *          (School of Computer Science).
 *
 *          C Profesor Jose Garcia Santesmases sn,
 *          28040 Madrid (Madrid), Spain.
 *
 *          For more info please visit:  <http://e-adventure.e-ucm.es> or
 *          <http://www.e-ucm.es>
 *
 * ****************************************************************************
 *
 *  This file is part of eAdventure, version 2.0
 *
 *      eAdventure 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 3 of the License, or
 *      (at your option) any later version.
 *
 *      eAdventure 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 eAdventure.  If not, see <http://www.gnu.org/licenses/>.
 */

package es.eucm.ead.editor.view.scene;

import es.eucm.ead.editor.view.scene.listener.SceneListener;
import es.eucm.ead.model.elements.scenes.Scene;
import es.eucm.ead.model.elements.scenes.SceneElement;

import java.util.ArrayList;
import java.util.List;

public abstract class AbstractSceneViewer implements SceneViewer {

	protected Scene scene;

	protected List<SceneListener> listeners;

	@Override
	public void setScene(Scene scene) {
		this.scene = scene;
		this.listeners = new ArrayList<SceneListener>();
	}

	@Override
	public void addFieldChangeListener(SceneListener listener) {
		listeners.add(listener);
	}

	@Override
	public void removeFieldChangeListener(SceneListener listener) {
		listeners.remove(listener);
	}

	public <T> void notify(String varDef, SceneElement element, T value) {
		for (SceneListener l : listeners) {
			l.updateInitialValue(varDef, element, value);
		}
	}

}