Eventos na edição da celula da jtable!

package ponto;

import java.awt.Dimension;
import java.awt.GridLayout;

import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;

/**
 * This is like TableDemo, except that it substitutes a Favorite Color column for the Last Name column and specifies a custom cell renderer and editor for the color data.
 */
public class TableDialogEditDemo extends JPanel {
	private boolean DEBUG = false;

	public TableDialogEditDemo() {
		super(new GridLayout(1, 0));

		JTable table = new JTable(new MyTableModel());
		table.setPreferredScrollableViewportSize(new Dimension(500, 70));
		table.setFillsViewportHeight(true);

		// Create the scroll pane and add the table to it.
		JScrollPane scrollPane = new JScrollPane(table);

		// Set up renderer and editor for the Favorite Color column.
	
		// Add the scroll pane to this panel.
		add(scrollPane);
	}

	class MyTableModel extends AbstractTableModel {
		private String[] columnNames = { "First Name",  "Sport", "# numeros", "Vegetarian" };
		
		private Object[][] data = 
		{ 
				{ "Mary",  "Snowboarding", new Double(String.valueOf("5.565")), new Boolean(false) }, 
				{ "Alison", "Rowing", new Integer(3), new Boolean(true) },
				{ "Kathy",  "Knitting", new Integer(2), new Boolean(false) }, 
				{ "Sharon", "Speed reading", new Integer(20), new Boolean(true) }, 
				{ "Philip",  "Pool", new Integer(10), new Boolean(false) } };

		public int getColumnCount() {
			return columnNames.length;
		}

		public int getRowCount() {
			return data.length;
		}

		public String getColumnName(int col) {
			return columnNames[col];
		}

		public Object getValueAt(int row, int col) {
			return data[row][col];
		}

		/*
		 * JTable uses this method to determine the default renderer/ editor for each cell. If we didn't implement this method, then the last column would contain text ("true"/"false"), rather than a check box.
		 */
		public Class getColumnClass(int c) {
			return getValueAt(0, c).getClass();
		}

		public boolean isCellEditable(int row, int col) {
			// Note that the data/cell address is constant,
			// no matter where the cell appears onscreen.
			return true;
		}

		public void setValueAt(Object value, int row, int col) {
			if (DEBUG) {
				System.out.println("Setting value at " + row + "," + col + " to " + value + " (an instance of " + value.getClass() + ")");
			}

			data[row][col] = value;
			fireTableCellUpdated(row, col);

			if (DEBUG) {
				System.out.println("New value of data:");
				printDebugData();
			}
		}

		private void printDebugData() {
			int numRows = getRowCount();
			int numCols = getColumnCount();

			for (int i = 0; i < numRows; i++) {
				System.out.print("    row " + i + ":");
				for (int j = 0; j < numCols; j++) {
					System.out.print("  " + data[i][j]);
				}
				System.out.println();
			}
			System.out.println("--------------------------");
		}
	}

	/**
	 * Create the GUI and show it. For thread safety, this method should be invoked from the event-dispatching thread.
	 */
	private static void createAndShowGUI() {
		// Create and set up the window.
		JFrame frame = new JFrame("TableDialogEditDemo");
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

		// Create and set up the content pane.
		JComponent newContentPane = new TableDialogEditDemo();
		newContentPane.setOpaque(true); // content panes must be opaque
		frame.setContentPane(newContentPane);

		// Display the window.
		frame.pack();
		frame.setVisible(true);
	}

	public static void main(String[] args) {
		// Schedule a job for the event-dispatching thread:
		// creating and showing this application's GUI.
		javax.swing.SwingUtilities.invokeLater(new Runnable() {
			public void run() {
				createAndShowGUI();
			}
		});
	}
}