Exemple #1
0
  public SwingDnDFrame() {
    setTitle("SwingDnDTest");
    JTabbedPane tabbedPane = new JTabbedPane();

    JList list = SampleComponents.list();
    tabbedPane.addTab("List", list);
    JTable table = SampleComponents.table();
    tabbedPane.addTab("Table", table);
    JTree tree = SampleComponents.tree();
    tabbedPane.addTab("Tree", tree);
    JFileChooser fileChooser = new JFileChooser();
    tabbedPane.addTab("File Chooser", fileChooser);
    JColorChooser colorChooser = new JColorChooser();
    tabbedPane.addTab("Color Chooser", colorChooser);

    final JTextArea textArea = new JTextArea(4, 40);
    JScrollPane scrollPane = new JScrollPane(textArea);
    scrollPane.setBorder(new TitledBorder(new EtchedBorder(), "Drag text here"));

    JTextField textField = new JTextField("Drag color here");
    textField.setTransferHandler(new TransferHandler("background"));

    tabbedPane.addChangeListener(
        new ChangeListener() {
          public void stateChanged(ChangeEvent e) {
            textArea.setText("");
          }
        });

    tree.setDragEnabled(true);
    table.setDragEnabled(true);
    list.setDragEnabled(true);
    fileChooser.setDragEnabled(true);
    colorChooser.setDragEnabled(true);
    textField.setDragEnabled(true);

    add(tabbedPane, BorderLayout.NORTH);
    add(scrollPane, BorderLayout.CENTER);
    add(textField, BorderLayout.SOUTH);
    pack();
  }
  /**
   * Handle action events coming from the buttons.
   *
   * @param evt, the associated ActionEvent.
   */
  public void actionPerformed(ActionEvent evt) {
    Object source = evt.getSource();

    if (source instanceof JButton) {
      if (source == pbSave) {
        chosen = tcc.getColor();
        onCancel();
      } else {
        onCancel();
      }
    }
  }
 /** Set the colour the user has chosen. */
 public void setColour(Color color) {
   tcc.setColor(color);
 }