Graph Script Code

package ls.graph.script;

import java.awt.Color;
import java.io.File;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.script.ScriptException;

import ls.graph.ControlListener;
import ls.graph.Controller;
import ls.graph.ui.ScriptableVertexPaintFunction;
import ls.script.ConfigurableScriptEngine;
import ls.script.ScriptUtils;

public class GraphScriptEngine 
	extends ConfigurableScriptEngine 
	implements ControlListener
{

	public void graphChanged(ScriptableGraph sg)
	{
		configureScriptEngine(); //refresh the engine configuration
	}

	private ScriptUIUtils scriptUIUtils = null;
	private Controller controller = null;
	public GraphScriptEngine(Controller c)
	{
		super();
		this.controller = c;
		this.controller.addListener(this);
		this.init();
		//getScriptEngine(); //make sure it's initalized and configured
		//configureScriptEngine();
	}
	
	@Override
	protected void configureScriptEngine(/*ScriptEngine eng*/)
	{
		Map<String, Object> bindings = new HashMap<String, Object>();
		ScriptableGraph graph = controller.getGraph();
		bindings.put(graph.getBindingName(), graph);
		List<AlgorithmListener> algListeners = 
			this.scriptUIUtils == null ? 
					null : this.scriptUIUtils.getAlgorithmListeners();
		this.scriptUIUtils = 
			new ScriptUIUtils(
					graph,
					new ScriptableVertexPaintFunction(Color.RED), 
					new ScriptableVertexStringer());
		if (algListeners != null)
			for (AlgorithmListener l : algListeners)
				this.scriptUIUtils.addAlgorithmListener(l);
		bindings.put(scriptUIUtils.getBindingName(), scriptUIUtils);
		bindings.put(VertexColors.BLACK.getBindingName(), VertexColors.BLACK);
		bindings.put(VertexColors.RED.getBindingName(), VertexColors.RED);
		bindings.put(VertexColors.GREY.getBindingName(), VertexColors.GREY);
		bindings.put(VertexColors.WHITE.getBindingName(), VertexColors.WHITE);
		bindings.put(VertexColors.BLUE.getBindingName(), VertexColors.BLUE);
//		Algorithm alg = new Algorithm();
//		bindings.put(alg.getBindingName(), alg);
		ScriptUtils su = new ScriptUtils();
		bindings.put(su.getBindingName(), su);
		this.setBindings(bindings);
		this.packageImport("edu.uci.ics.jung.graph");
		//eng.javaImport("edu.uci.ics.jung.graph.visualization");
		this.packageImport("Packages.ls.graph.script"); //For ScriptUIUtils, VertexColors
		this.classImport("Packages.ls.graph.script.AlgorithmStep");
		this.classImport("Packages.ls.graph.script.Algorithm");
	}

	public ScriptUIUtils getScriptUIUtils()
	{
		return scriptUIUtils;
	}
	
	public void invokeScriptFunc(String funcName)
		throws NoSuchMethodException,ScriptException
	{
		super.invokeScriptFunc(funcName);
	}

	public void graphLoaded(File graphFile) {/* NOP */}

	public void scriptLoaded(File scriptFile, String scriptText) {/* NOP*/}

} //end of GraphScriptEngine class