/*
 * Moonlight|3D
 * Copyright (C) 2006 The Moonlight|3D team
 * 
 * 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
 *
 * Created on Feb 6, 2006
 */
package ml.backend.anim;

/**
 * \package ml.backend.anim
 * 
 * This contains the core animation functionality for Moonlight|3D.
 * The base classes and interfaces for the animation system are defined
 * here.
 * 
 * This package is part of the core program.
 */
import java.util.ArrayList;
import java.util.List;

import ml.backend.document.Document;
import ml.backend.selection.PathElement;
import ml.backend.selection.RootPathElement;
import ml.core.helper.NamePool;

public class Manager implements RootPathElement {
	private NamePool animationNamePool;
	private ArrayList<Animation> animations;
	private ArrayList<AnimationManagerListener> listeners;
	private Document document;
	
	public Manager(Document document) {
		this.document=document;
		animationNamePool=new NamePool();
		animations=new ArrayList<Animation>();
		listeners=new ArrayList<AnimationManagerListener>();
	}
	
	public void registerAnimationManagerListener(AnimationManagerListener listener) {
		listeners.add(listener);
	}
	
	public void unregisterAnimationManagerListener(AnimationManagerListener listener) {
		listeners.remove(listener);
	}
	
	public Document getDocument() {
		return document;
	}

	public Animation createAnimation(String name) {
		Animation animation=new Animation(this);
		
		if(!animationNamePool.isNameUnique(name)) {
			name=animationNamePool.generateUniqueName(name);
		}
		
		animation.setName(name);
	
		animations.add(animation);
		animationNamePool.add(animation);
		
		for(AnimationManagerListener listener : listeners) {
			listener.animationAdded(animation);
		}
		
		return animation;
	}
	
	public Animation getAnimationByName(String name) {
		for(Animation animation : animations) {
			if(animation.getName().equals(name)) {
				return animation;
			}
		}
		
		return null;
	}
	
	public List<Animation> getAnimations() {
		return (ArrayList<Animation>) animations.clone();
	}
	
	public void removeAnimation(String name) {
		Animation animation=getAnimationByName(name);
		animations.remove(animation);
		for(AnimationManagerListener listener : listeners) {
			listener.animationRemoved(animation);
		}
	}

	public PathElement findChildElement(String childName) {
		return getAnimationByName(childName);
	}

	public boolean isValidAppendixName(String appendix) {
		return false;
	}

	public Object getFromAppendix(String appendix) {
		return null;
	}

	public String getName() {
		return "Animation";
	}

}