tabledialogeditdemo.java

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package boco.test ;
import javax.swing.JTable;
import javax.swing.table.AbstractTableModel;
import javax.swing.DefaultCellEditor;
import javax.swing.table.TableCellRenderer;

import javax.swing.JLabel;
import javax.swing.JDialog;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JColorChooser;
import javax.swing.BorderFactory;
import javax.swing.border.Border;

import javax.swing.JScrollPane;
import javax.swing.JFrame;
import javax.swing.SwingUtilities;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
/**
 * This is like TableEditDemo, 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 JFrame {
  private boolean DEBUG = false;

  public TableDialogEditDemo() {
    super("TableDialogEditDemo");

    MyTableModel myModel = new MyTableModel();
    JTable table = new JTable(myModel);
    ImageIcon icon=new ImageIcon("/image/img4.gif");
    table.setValueAt(icon,1,1) ;
    table.setPreferredScrollableViewportSize(new Dimension(500, 70));

    //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.
    setUpColorRenderer(table);
    //setUpColorEditor(table);

    //Set up real input validation for integer data.
    //setUpIntegerEditor(table);

    //Add the scroll pane to this window.
    getContentPane().add(scrollPane, BorderLayout.CENTER);

    addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent e) {
        System.exit(0);
      }
    });
  }

  class ColorRenderer extends JLabel
      implements TableCellRenderer {
    Border unselectedBorder = null;
    Border selectedBorder = null;
    boolean isBordered = true;

    public ColorRenderer(boolean isBordered) {
      super();
      this.isBordered = isBordered;
      setOpaque(true); //MUST do this for background to show up.
    }

    public Component getTableCellRendererComponent(
        JTable table, Object color,
        boolean isSelected, boolean hasFocus,
        int row, int column) {
      setBackground((Color)color);
      if (isBordered) {
        if (isSelected) {
          if (selectedBorder == null) {
            selectedBorder = BorderFactory.createMatteBorder(2,5,2,5,
                table.getSelectionBackground());
          }
          setBorder(selectedBorder);
        } else {
          if (unselectedBorder == null) {
            unselectedBorder = BorderFactory.createMatteBorder(2,5,2,5,
                table.getBackground());
          }
          setBorder(unselectedBorder);
        }
      }
      return this;
    }
  }

  private void setUpColorRenderer(JTable table) {
    table.setDefaultRenderer(Color.class,
                             new ColorRenderer(true));
  }


    /*
  * The editor button that brings up the dialog.
  * We extend DefaultCellEditor for convenience,
  * even though it mean we have to create a dummy
  * check box.  Another approach would be to copy
  * the implementation of TableCellEditor methods
  * from the source code for DefaultCellEditor.
     */

  class MyTableModel extends AbstractTableModel {
    final String[] columnNames = {"First Name",
      "Favorite Color",
      "Sport",
      "# of Years",
      "Vegetarian"};
    final Object[][] data = {
      {"Mary", new ImageIcon("/image/img4.gif"),
      "Snowboarding", new Integer(5), new Boolean(false)},
      {"Alison", new Color(51, 51, 153),
      "Rowing", new Integer(3), new Boolean(true)},
      {"Kathy",Color.red,
      "Chasing toddlers", new Integer(2), new Boolean(false)},
      {"Mark", Color.blue,
      "Speed reading", new Integer(20), new Boolean(true)},
      {"Philip", Color.pink,
      "Pool", new Integer(7), 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();
      return ImageIcon.class;
    }
  }

  public static void main(String[] args) {
    TableDialogEditDemo frame = new TableDialogEditDemo();
    frame.pack();
    frame.setVisible(true);
  }
}