DMModel.java

package com.drawbridge.dm;

import java.awt.image.BufferedImage;
import java.util.LinkedList;

import com.drawbridge.dm.DMImageFactory.DMImage;
import com.drawbridge.jsengine.JsEngine.JSEngineListener;
import com.drawbridge.jsengine.Scope;
import com.drawbridge.paper.PaperPanel;
import com.drawbridge.paper.PaperPanel.PaperPanelListener;
import com.drawbridge.utils.JSUtils;


/**
 * DMModel just shows execution from the JSEngine, and pushes through changes back to the E-AST
 * @author Alistair Stead
 *
 */
public class DMModel implements JSEngineListener, PaperPanelListener
{
	private final LinkedList<DMModelListener> mListeners;
	private LinkedList<DMImage> dmImages;
	
	public DMModel(DMModelListener firstListener){
		dmImages = new LinkedList<DMImage>();
		

		PaperPanel.getInstance().addOnUpdateListener(this);
		
		mListeners = new LinkedList<DMModelListener>();
		mListeners.add(firstListener);
	}
	
	public LinkedList<DMImage> getModelObjects(){
		return dmImages;
	}
	

	
	public interface DMModelListener{
		public void onDMModelUpdate(DMModel model);
	}
	
	@Override
	public void onPaperPanelUpdate(PaperPanel panel)
	{
		BufferedImage image =  panel.getImage();
		dmImages.clear();
		dmImages = DMImageFactory.decodeBufferedImage(image);

		updateDMModelListeners();
		JSUtils.executeStaticImageCode(dmImages, true);
		
	}
	
	
	public void updateDMModelListeners(){
		for(DMModelListener listener: mListeners){
			listener.onDMModelUpdate(this);
		}
	}
	
	public void addDMModelListener(DMModelListener listener){
		mListeners.add(listener);
	}



	@Override
	public void modelChange(Scope scope)
	{
		// TODO Auto-generated method stub
		
	}


}