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2009/10/06

aterai

Multiple JButtons in a JTable cell

Code

class ButtonsPanel extends JPanel {
  public final List buttons =
    Arrays.asList(new JButton("view"), new JButton("edit"));
  public ButtonsPanel() {
    super();
    setOpaque(true);
    for(JButton b: buttons) {
      b.setFocusable(false);
      b.setRolloverEnabled(false);
      add(b);
    }
  }
}
class ButtonsRenderer extends ButtonsPanel
                      implements TableCellRenderer {
  public ButtonsRenderer() {
    super();
    setName("Table.cellRenderer");
  }
  @Override public Component getTableCellRendererComponent(JTable table,
        Object value, boolean isSelected, boolean hasFocus, int row, int column) {
    setBackground(isSelected?table.getSelectionBackground():table.getBackground());
    return this;
  }
}
class ButtonsEditor extends ButtonsPanel
                    implements TableCellEditor {
  public ButtonsEditor(final JTable table) {
    super();
    //---->
    //DEBUG: view button click -> control key down + edit button(same cell) press
    //       -> remain selection color
    MouseListener ml = new MouseAdapter() {
      public void mousePressed(MouseEvent e) {
        ButtonModel m = ((JButton)e.getSource()).getModel();
        if(m.isPressed() && table.isRowSelected(table.getEditingRow())
                         && e.isControlDown()) {
          setBackground(table.getBackground());
        }
      }
    };
    buttons.get(0).addMouseListener(ml);
    buttons.get(1).addMouseListener(ml);
    //<----

    buttons.get(0).addActionListener(new ActionListener() {
      @Override public void actionPerformed(ActionEvent e) {
        fireEditingStopped();
        JOptionPane.showMessageDialog(table, "Viewing");
      }
    });

    buttons.get(1).addActionListener(new ActionListener() {
      @Override public void actionPerformed(ActionEvent e) {
        int row = table.convertRowIndexToModel(table.getEditingRow());
        Object o = table.getModel().getValueAt(row, 0);
        fireEditingStopped();
        JOptionPane.showMessageDialog(table, "Editing: "+o);
      }
    });

    addMouseListener(new MouseAdapter() {
      @Override public void mousePressed(MouseEvent e) {
        fireEditingStopped();
      }
    });
  }
  @Override public Component getTableCellEditorComponent(JTable table,
        Object value, boolean isSelected, int row, int column) {
    this.setBackground(table.getSelectionBackground());
    return this;
  }
  @Override public Object getCellEditorValue() {
    return "";
  }
  //Copid from AbstractCellEditor
  //protected EventListenerList listenerList = new EventListenerList();
  transient protected ChangeEvent changeEvent = null;
  @Override public boolean isCellEditable(java.util.EventObject e) {
    return true;
  }
//......

References

10 comments:

  1. Hey, really cool Swing blog. I put a link to you in my website www.blue-walrus.com . Would appreciate if you did the same... trying to get a link 'ring' of Swing blogs.

    Olly

    ReplyDelete
  2. Hi, redmonkey, sorry for this reply to be late.
    I add "Link ring of Swing blogs" on side bar.
    Thank you.

    ReplyDelete
  3. Me encanta tu blog, realmente me ha servido bastante

    ReplyDelete
  4. This comment has been removed by the author.

    ReplyDelete
    Replies
    1. Hi, Adhisheshu
      You can download all the source code from the link in the screenshot above.

      Delete
    2. Actually I am doing Desktop application not web application I want insert three buttons in single column of table when click button1 it will do some actions like that

      Delete
    3. Yes, you can download the source code(src.zip) of the Desktop(JFrame) application.

      Delete
  5. I want insert multiple icons in the column cell in Jtable with one by one

    ReplyDelete