Graph Script Code

package ls.graph;

import java.io.File;
import java.util.LinkedList;
import java.util.List;

import ls.graph.script.AlgorithmListener;
import ls.graph.script.GraphScriptEngine;
import ls.graph.script.ScriptableGraph;
import ls.graph.ui.GraphInternalFrame;

public class GraphController implements ControlListener
{
	private GraphInternalFrame graphFrame = null;
	private GraphScriptEngine scriptEngine = null;
	private List<ControlListener> localControlListeners = new LinkedList<ControlListener>();
	GraphController(GraphInternalFrame gf)
	{
		super();
		if (gf == null)
			throw new IllegalArgumentException("GraphController: Graph frame is null");
		this.graphFrame = gf;
		gf.setGraphController(this);
		this.scriptEngine = new GraphScriptEngine(this);
	}
	
	public GraphInternalFrame frame() { return graphFrame; }
	public ScriptableGraph graph() { return frame().getGraph(); }
	
	public void addControlListener(ControlListener l)
	{
		if (l != null) this.localControlListeners.add(l);
	}
	
	GraphScriptEngine scriptEngine() { return this.scriptEngine; }

	public void addAlgorithmListener(AlgorithmListener l)
	{
		if (l != null)
			this.frame().addAlgorithmListener(l);
	}
	
	public void graphChanged(ScriptableGraph sg)
	{
		for (ControlListener l : localControlListeners)
			l.graphChanged(sg);
	}

	public void graphLoaded(File graphFile)
	{
		this.frame().setTitle(graphFile.getName());
		for (ControlListener l : localControlListeners)
			l.graphLoaded(graphFile);		
	}

	public void scriptLoaded(File scriptFile, String scriptText)
	{
		for (ControlListener l : localControlListeners)
			l.scriptLoaded(scriptFile, scriptText);
	}
	
} //end of GraphController class