public void actionPerformed(ActionEvent e) {

    // Handle open button action.
    if (e.getSource() == openButton) {
      int returnVal = fc.showOpenDialog(FileChooserDemo.this);

      if (returnVal == JFileChooser.APPROVE_OPTION) {
        File file = fc.getSelectedFile();
        // This is where a real application would open the file.
        log.append("Opening: " + file.getName() + "." + newline);
      } else {
        log.append("Open command cancelled by user." + newline);
      }
      log.setCaretPosition(log.getDocument().getLength());

      // Handle save button action.
    } else if (e.getSource() == saveButton) {
      int returnVal = fc.showSaveDialog(FileChooserDemo.this);
      if (returnVal == JFileChooser.APPROVE_OPTION) {
        File file = fc.getSelectedFile();
        // This is where a real application would save the file.
        log.append("Saving: " + file.getName() + "." + newline);
      } else {
        log.append("Save command cancelled by user." + newline);
      }
      log.setCaretPosition(log.getDocument().getLength());
    }
  }
Esempio n. 2
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  public void actionPerformed(ActionEvent e) {

    // Handle open button action.
    if (e.getSource() == openButton) {
      int returnVal = fc.showOpenDialog(DirectorySize.this);

      if (returnVal == JFileChooser.APPROVE_OPTION) {
        File file = fc.getSelectedFile();
        // This is where a real application would open the file.
        ListSubDirectorySizes(file);
      } else {
        log.append("Open command cancelled by user." + newline);
      }
      log.setCaretPosition(log.getDocument().getLength());

      // Handle save button action.
    } else if (e.getSource() == saveButton) {
      log.setText(""); // reset
    }
  }