butterflyframe.java

生物物种进化历程的演示

/*
 * Created on Mar 22, 2004
 *
 * To change the template for this generated file go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
package TreeJuxtaposer;

//import javax.imageio.ImageIO;
//import javax.imageio.ImageReader;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import  java.awt.Image ;
import java.io.ByteArrayOutputStream ;
import java.io.InputStream ;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
/**
 * @author jzhang
 *
 * To change the template for this generated type comment go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
public class ButterflyFrame extends JFrame implements ActionListener { // implements MouseListener, ActionListener{
	    private TreeJuxtaposer tj;
		JLabel direction;
		JLabel split;
		JButton LL, RL, RR, UU;
        JButton Hor, Ver;
		
		public ButterflyFrame(TreeJuxtaposer tj)
		{
			super("Windows");
			this.tj = tj;
			//this.title = title;	
			initComponents();
			setButtonStatus(1);
			Hor.setEnabled(false);
		}
 
		public void initComponents()
        {
			Insets inset = new Insets(0, 0, 0, 0);
	        this.getContentPane().setLayout(new BorderLayout());
			GridBagConstraints gbc = new GridBagConstraints();
			JPanel jp = new JPanel();
			jp.setLayout(new GridBagLayout());
	
			gbc = new GridBagConstraints(0, 0, 2, 1, 1.0, 1.0,
					GridBagConstraints.WEST, GridBagConstraints.BOTH,
					inset, 5, 5);
			direction = new JLabel("Direction");
			jp.add(direction, gbc);
			
			gbc = new GridBagConstraints(0, 1, 2, 1, 1.0, 1.0,
					GridBagConstraints.CENTER, GridBagConstraints.NONE,
					inset, 5, 5);
			split = new JLabel("Split");
			jp.add(split, gbc);
	
			LL = new JButton("Left ");
			LL.addActionListener(this);
			gbc = new GridBagConstraints(3, 0, 1, 1, 1.0, 1.0,
					GridBagConstraints.CENTER, GridBagConstraints.NONE, inset, 5, 5);
			jp.add(LL, gbc);
	
			RR = new JButton("Right");
			RR.addActionListener(this);
			gbc = new GridBagConstraints(4, 0, 1, 1, 1.0, 1.0,
					GridBagConstraints.CENTER, GridBagConstraints.NONE, inset, 5, 5);
			jp.add(RR, gbc);
	
			RL = new JButton("Right/Left");
			RL.addActionListener(this);
			gbc = new GridBagConstraints(5, 0, 1, 1, 1.0, 1.0,
					GridBagConstraints.CENTER, GridBagConstraints.NONE, inset, 5, 5);
			jp.add(RL, gbc);
	
			UU = new JButton("Up");
			UU.addActionListener(this);
	
			gbc = new GridBagConstraints(6, 0, 1, 1, 1.0, 1.0,
					GridBagConstraints.CENTER, GridBagConstraints.NONE, inset, 5, 5);
			jp.add(UU, gbc);
	
			Hor = new JButton("Horizontal");
			Hor.addActionListener(this);
			gbc = new GridBagConstraints(3, 1, 2, 3, 1.0, 1.0,
					GridBagConstraints.CENTER, GridBagConstraints.NONE,
					inset, 5, 5);
			jp.add(Hor, gbc);
	
			Ver = new JButton("Vertical");
			Ver.addActionListener(this);
			gbc = new GridBagConstraints(4, 1, GridBagConstraints.REMAINDER, 3,
					1.0, 1.0, GridBagConstraints.CENTER, GridBagConstraints.NONE,
					inset, 5, 5);
			jp.add(Ver, gbc);
	
			this.getContentPane().add(jp, BorderLayout.CENTER);
	
			this.setResizable(false);
			this.setSize(500, 110);
        }
        
        Image getImage(String file)
        {
			InputStream is;
			ByteArrayOutputStream baos ;
			Image image;
			is = this .getClass().getResourceAsStream (file );
//						if ( is == null ) throw new IOException ( "images/LL.png" + " not found" );
			baos = new ByteArrayOutputStream();
			int c;
			try{
				while ( ( c = is.read() ) >= 0 )
				{
					baos.write(c );
				}
            
			}catch(Exception e)
			{
					System.out.println("Error: " + e.toString());
			        return null;
			}
			
			image = getToolkit ().createImage( baos.toByteArray() );
			return image;
        }
        
        public JButton[] getButtons()
        {
        	JButton[] buttons = new JButton[4];
        	buttons[0] = LL;
        	buttons[1] = RR;
        	buttons[2] = RL;
        	buttons[3] = UU;
        	//buttons[4] = DD;
        	return buttons;
        }
        
        public void setButtonStatus(int index)
        {
        	JButton[] buttons = getButtons();
        	for(int i=0; i<buttons.length; i++)
        	{
        		if(i == index)
        		buttons[i].setEnabled(false);
        		else
        		buttons[i].setEnabled(true);
        	}        	        	
        }

		/* (non-Javadoc)
		 * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
		 */
		public void actionPerformed(ActionEvent e) {
			// TODO Auto-generated method stub
			Object obj = e.getSource();
			if (obj instanceof JButton)
			{
				if (obj == LL)
				{
					setButtonStatus(0);
//					tj.drawLL();	
				}
				else if (obj == RR)
				{
				    setButtonStatus(1);
//				    tj.drawRR();
				}
				else if (obj == RL)
				{
					setButtonStatus(2);
//				   	tj.drawRL();
				}
				else if (obj == UU)
				{	
					setButtonStatus(3);
//				   	tj.drawUU();
				}
				else if (obj == Ver)
				{	
					Hor.setEnabled(true);
				   	Ver.setEnabled(false);
//				   	tj.setVerticalDirection();
				}
				else if (obj == Hor)
				{	
					Ver.setEnabled(true);
				   	Hor.setEnabled(false);
//				   	tj.setHorizontalDirection();
				}
			}
			
		}
        
//
}