Graph Script Code

package ls.graph.ui;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ComponentEvent;
import java.awt.event.ComponentListener;

import javax.swing.AbstractAction;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JSplitPane;
import javax.swing.JTextArea;
import javax.swing.WindowConstants;

import edu.uci.ics.jung.graph.Graph;
import edu.uci.ics.jung.random.generators.GraphGenerator;
import edu.uci.ics.jung.random.generators.SimpleRandomGenerator;
import edu.uci.ics.jung.visualization.GraphZoomScrollPane;
import edu.uci.ics.jung.visualization.Layout;
import edu.uci.ics.jung.visualization.PluggableRenderer;
import edu.uci.ics.jung.visualization.Renderer;
import edu.uci.ics.jung.visualization.VisualizationViewer;
import edu.uci.ics.jung.visualization.contrib.CircleLayout;

public class MainWindow extends JFrame
{
	private static final long serialVersionUID = 1L;
	private Graph graph = null;
	private Layout graphLayout = null;
	
	private final class ExecuteAction extends AbstractAction
	{
		private static final long serialVersionUID = 1L;
		ExecuteAction()
		{
			putValue(NAME, "Execute");
		}
		public void actionPerformed(ActionEvent event)
		{
			JOptionPane.showMessageDialog(null, "Execute event");
		}
	}

	private final class ExitAction extends AbstractAction
	{
		private static final long serialVersionUID = 1L;

		ExitAction()
		{
			putValue(NAME, "Exit");
		}

		public void actionPerformed(ActionEvent e)
		{
			MainWindow.this.setVisible(false);
			MainWindow.this.dispose();
		}
		
	}
		
	public MainWindow()
	{
		super();
		loadGraph();
		initUI();
		setLocation(200,200);
		setPreferredSize(new Dimension(400,600));
		setSize(600, 400);
		setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
	}
	
	private void loadGraph()
	{
		GraphGenerator gGen = new SimpleRandomGenerator(5,4);
		this.graph = (Graph)gGen.generateGraph();
	}
	
	private JComponent getGraphComponent()
	{
		graphLayout = new CircleLayout(this.graph);
		graphLayout.initialize(new Dimension(300,300));
		Renderer r = new PluggableRenderer();
		VisualizationViewer vv = new VisualizationViewer(graphLayout,r);	
		GraphZoomScrollPane zoomPane = new GraphZoomScrollPane(vv);
		
		return zoomPane;
	}
	
	
	private void initUI()
	{
		setTitle("Graph Script");
		getContentPane().setLayout(new BorderLayout());
		JSplitPane spltMain = 
			new JSplitPane(JSplitPane.VERTICAL_SPLIT,
					this.getGraphComponent(),
					createScriptPane());
		spltMain.setDividerLocation(200);
		spltMain.setResizeWeight(0.5);
		getContentPane().add(spltMain,BorderLayout.CENTER);
		getContentPane().add(createControlPane(),BorderLayout.SOUTH);
		this.addComponentListener(new ComponentListener()
		{
			public void componentHidden(ComponentEvent evt){}

			public void componentMoved(ComponentEvent evt) {}

			public void componentResized(ComponentEvent evt)
			{
				//graphLayout.resize(evt.getComponent().getSize());
			}

			public void componentShown(ComponentEvent evt) {}
		});
	}
	
	private JPanel createScriptPane()
	{
		JPanel scriptPane = new JPanel();
		JTextArea txtScript = new JTextArea("text");
		scriptPane.add(txtScript);
		return scriptPane;
	}
	
	private JPanel createControlPane()
	{
		JPanel controlPane = new JPanel();
		controlPane.setLayout(new FlowLayout());
		JButton btnExecute = new JButton(new ExecuteAction());
		JButton btnExit = new JButton(new ExitAction());
		
		
		controlPane.add(btnExecute);
		controlPane.add(btnExit);
		return controlPane;
	}
}