/*
 * Moonlight|3D Copyright (C) 2007 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 Mar 14, 2007
 */
package ml.backend.document;

import ml.core.exceptions.Exception;

public class Document implements ml.core.document.Document {
	private String filename;

	private ml.backend.selection.Manager selectionManager; // TODO check if this really should ge here
	private ml.backend.anim.Manager animationManager;
	private ml.backend.og.Manager ogManager;
	private ml.backend.sg.Manager sgManager;
	private ml.backend.cache.Manager cacheManager;
	private ml.backend.renderer.Manager rendererManager;

	Document() {
		selectionManager=new ml.backend.selection.Manager();
		animationManager=new ml.backend.anim.Manager(this);
		ogManager=new ml.backend.og.Manager(this);
		sgManager=new ml.backend.sg.Manager();
		cacheManager=new ml.backend.cache.Manager();
		rendererManager=new ml.backend.renderer.Manager();
        try {
			selectionManager.registerRootPathElement(animationManager);
	        selectionManager.registerRootPathElement(ogManager);
		} catch (Exception e) {
			// this exception cannot be thrown here; this block is actually unreachable
		}
	}
	
	public void update() {
		try {
			ogManager.update();
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	
	public void close() {
		selectionManager.clearSelections();
		ogManager.clear();
		cacheManager.clear();
		try {
			ogManager.update();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	void setFilename(String filename) {
		this.filename=filename;
	}
	
	public String getFilename() {
		return filename;
	}

	public boolean hasUnsavedChanges() {
		// TODO make this a flag that gets only set on changes to the document
		return true;
	}

	public void save(String filename) throws Exception {
		this.filename=filename;
		new FileWriter(this,filename).run();
	}
	
	public String getTypeName() {
		return "MoonlightScene";
	}

	public ml.backend.selection.Manager getSelectionManager() {
		return selectionManager;
	}

	public ml.backend.anim.Manager getAnimationManager() {
		return animationManager;
	}

	public ml.backend.cache.Manager getCacheManager() {
		return cacheManager;
	}

	public ml.backend.og.Manager getOGManager() {
		return ogManager;
	}

	public ml.backend.sg.Manager getSGManager() {
		return sgManager;
	}

	public ml.backend.renderer.Manager getRendererManager() {
		return rendererManager;
	}

}