source: tmcsimulator/trunk/src/spikes/TableDialogEditDemo.java @ 59

package spikes;

/*
 * TableDialogEditDemo.java requires these files:
 *   ColorRenderer.java
 *   ColorEditor.java
 */
import java.awt.Color;
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.
        table.setDefaultRenderer(Color.class,
                new ColorRenderer(true));
        table.setDefaultRenderer(String.class,
                //new StringRenderer());
                new SimpleWordRenderer());

        //Add the scroll pane to this panel.
        add(scrollPane);
    }

    class MyTableModel extends AbstractTableModel
    {
        private String[] columnNames =
        {
            "First Name",
            "Favorite Color",
            "Sport",
            "# of Years",
            "Vegetarian"
        };
        private Object[][] data =
        {
            {
                "Mary", new Color(153, 0, 153),
                "Snowboarding", new Integer(5), new Boolean(false)
            },
            {
                "Alison", new Color(51, 51, 153),
                "Rowing", new Integer(3), new Boolean(true)
            },
            {
                "Kathy", new Color(51, 102, 51),
                "Knitting", new Integer(2), new Boolean(false)
            },
            {
                "Sharon", Color.red,
                "Speed reading", new Integer(20), new Boolean(true)
            },
            {
                "Philip", Color.pink,
                "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.
            if (col < 1)
            {
                return false;
            }
            else
            {
                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();
            }
        });
    }
}