Exemplo n.º 1
0
  /**
   * Displays a custom file chooser sheet with a custom approve button.
   *
   * @param chooser the chooser
   * @param parent the parent component of the dialog; can be {@code null}
   * @param approveButtonText the text of the {@code ApproveButton}
   * @param listener The listener for SheetEvents.
   */
  public static void showSheet(
      final JFileChooser chooser,
      Component parent,
      String approveButtonText,
      SheetListener listener) {
    if (approveButtonText != null) {
      chooser.setApproveButtonText(approveButtonText);
      chooser.setDialogType(JFileChooser.CUSTOM_DIALOG);
    }

    // Begin Create Dialog
    Frame frame =
        parent instanceof Frame
            ? (Frame) parent
            : (Frame) SwingUtilities.getAncestorOfClass(Frame.class, parent);

    String title = chooser.getUI().getDialogTitle(chooser);
    chooser.getAccessibleContext().setAccessibleDescription(title);

    final JSheet sheet = new JSheet(frame);
    sheet.addSheetListener(listener);

    Container contentPane = sheet.getContentPane();
    contentPane.setLayout(new BorderLayout());
    contentPane.add(chooser, BorderLayout.CENTER);
    // End Create Dialog

    final ActionListener actionListener =
        new ActionListener() {

          public void actionPerformed(ActionEvent evt) {
            int option;
            if (evt.getActionCommand().equals("ApproveSelection")) {
              option = JFileChooser.APPROVE_OPTION;
            } else {
              option = JFileChooser.CANCEL_OPTION;
            }
            sheet.hide();
            sheet.fireOptionSelected(chooser, option);
            chooser.removeActionListener(this);
          }
        };
    chooser.addActionListener(actionListener);
    sheet.addWindowListener(
        new WindowAdapter() {

          @Override
          public void windowClosing(WindowEvent e) {
            sheet.fireOptionSelected(chooser, JFileChooser.CANCEL_OPTION);
            chooser.removeActionListener(actionListener);
          }
        });
    chooser.rescanCurrentDirectory();
    sheet.pack();
    sheet.show();
    sheet.toFront();
  }
Exemplo n.º 2
0
  private static JSheet createSheet(final JOptionPane pane, Component parentComponent, int style) {
    Window window = getWindowForComponent(parentComponent);
    final JSheet sheet;
    if (window instanceof Frame) {
      sheet = new JSheet((Frame) window);
    } else {
      sheet = new JSheet((Dialog) window);
    }

    JComponent contentPane = (JComponent) sheet.getContentPane();
    contentPane.setLayout(new BorderLayout());

    if (isNativeSheetSupported()) {
      contentPane.setBorder(new EmptyBorder(12, 0, 0, 0));
    }

    contentPane.add(pane, BorderLayout.CENTER);
    sheet.setResizable(false);
    sheet.addWindowListener(
        new WindowAdapter() {

          private boolean gotFocus = false;

          @Override
          public void windowClosing(WindowEvent we) {
            pane.setValue(null);
          }

          @Override
          public void windowClosed(WindowEvent we) {
            if (pane.getValue() == JOptionPane.UNINITIALIZED_VALUE) {
              sheet.fireOptionSelected(pane);
            }
          }

          @Override
          public void windowGainedFocus(WindowEvent we) {
            // Once window gets focus, set initial focus
            if (!gotFocus) {
              // Ugly dirty hack: JOptionPane.selectInitialValue() is protected.
              // So we call directly into the UI. This may cause mayhem,
              // because we override the encapsulation.
              // pane.selectInitialValue();
              OptionPaneUI ui = pane.getUI();
              if (ui != null) {
                ui.selectInitialValue(pane);
              }
              gotFocus = true;
            }
          }
        });
    sheet.addComponentListener(
        new ComponentAdapter() {

          @Override
          public void componentShown(ComponentEvent ce) {
            // reset value to ensure closing works properly
            pane.setValue(JOptionPane.UNINITIALIZED_VALUE);
          }
        });
    pane.addPropertyChangeListener(
        new PropertyChangeListener() {

          public void propertyChange(PropertyChangeEvent event) {
            // Let the defaultCloseOperation handle the closing
            // if the user closed the window without selecting a button
            // (newValue = null in that case).  Otherwise, close the sheet.
            if (sheet.isVisible()
                && event.getSource() == pane
                && (event.getPropertyName().equals(JOptionPane.VALUE_PROPERTY))
                && event.getNewValue() != null
                && event.getNewValue() != JOptionPane.UNINITIALIZED_VALUE) {
              sheet.setVisible(false);
              sheet.fireOptionSelected(pane);
            }
          }
        });
    sheet.pack();
    return sheet;
  }