EnhancedJTextArea.java

/*
 * (c) 2005-2009 Carlos G�mez Rodr�guez, todos los derechos reservados / all rights reserved.
 * Licencia en license/bsd.txt / License in license/bsd.txt
 */

package org.f2o.absurdum.puck.util.swing;

import java.awt.KeyboardFocusManager;
import java.awt.event.KeyEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.JPopupMenu;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.text.DefaultEditorKit;

/*
 Created 20/04/2008 18:37:27
 */

public class EnhancedJTextArea extends JTextArea 
{
	
	private static JPopupMenu popupMenu;
	
	static
	{
		
	    /**
	     * Create an Edit menu to support cut/copy/paste.
	     */
	        popupMenu = new JPopupMenu("Edit");

	        JMenuItem menuItem = new JMenuItem(new DefaultEditorKit.CutAction());
	        menuItem.setText("Cut");
	        menuItem.setMnemonic(KeyEvent.VK_T);
	        popupMenu.add(menuItem);

	        menuItem = new JMenuItem(new DefaultEditorKit.CopyAction());
	        menuItem.setText("Copy");
	        menuItem.setMnemonic(KeyEvent.VK_C);
	        popupMenu.add(menuItem);

	        menuItem = new JMenuItem(new DefaultEditorKit.PasteAction());
	        menuItem.setText("Paste");
	        menuItem.setMnemonic(KeyEvent.VK_P);
	        popupMenu.add(menuItem);
		
	}
	
	

	public EnhancedJTextArea()
	{
		super();
		init();
	}
	
	public EnhancedJTextArea ( int rows , int cols )
	{
		super(rows,cols);
		init();
	}
	
	public EnhancedJTextArea ( int rows , int cols , String content  )
	{
		super(content,rows,cols);
		init();
	}
	
	public void init()
	{

		//make tab cycle focus, instead of adding a tab character to the description
		this.setFocusTraversalKeys(KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS, null);
		this.setFocusTraversalKeys(KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS, null);
		
		//listener for popup menu
         this.addMouseListener(new MouseAdapter()
         {
 
             public void mousePressed(MouseEvent e)
             {
                 processMouseEvent(e);
             }

             public void mouseReleased(MouseEvent e)
             {
                 processMouseEvent(e);
             }

             private void processMouseEvent(MouseEvent e)
             {
                 if (e.isPopupTrigger())
                 {
                     popupMenu.show(e.getComponent(), e.getX(), e.getY());
                     popupMenu.setInvoker(EnhancedJTextArea.this);
                 }
             }
         });
	
	}
	
}