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());
    }
  }
示例#2
0
 public static File saveFile(String ext) {
   JFileChooser fileChooser = new JFileChooser("Save as...");
   fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
   FileFilter filter = new FileNameExtensionFilter(ext, ext);
   fileChooser.setAcceptAllFileFilterUsed(false);
   fileChooser.setFileFilter(filter);
   fileChooser.showSaveDialog(null);
   return fileChooser.getSelectedFile();
 }
示例#3
0
 private void saveAs() {
   if (saveFC == null) {
     saveFC = new SaveDataFileChooser();
   }
   int ret = saveFC.showSaveDialog(this);
   if (ret == JFileChooser.APPROVE_OPTION) {
     saveDataToFile(saveFC.getSelectedFile());
   }
 }
示例#4
0
  public void actionPerformed(ActionEvent e) {
    String cmd = (e.getActionCommand());

    if (cmd.equals(aboutItem.getText()))
      JOptionPane.showMessageDialog(
          this,
          "Simple Image Program for DB2004\nversion 0.1\nThanks to BvS",
          "About imageLab",
          JOptionPane.INFORMATION_MESSAGE);
    else if (cmd.equals(quitItem.getText())) System.exit(0);
    else if (cmd.equals(openItem.getText())) {
      int returnVal = chooser.showOpenDialog(this);
      if (returnVal == JFileChooser.APPROVE_OPTION) {
        try {
          pic2 = new Picture(chooser.getSelectedFile().getName());
          pic1 = new Picture(pic2.width(), pic2.height());
          lab.setIcon(pic2.getJLabel().getIcon());
          sliderPanel.setVisible(false);
          pack();
          repaint();
        } catch (Exception ex) {
          JOptionPane.showMessageDialog(
              this,
              "Could not open " + chooser.getSelectedFile().getName() + "\n" + ex.getMessage(),
              "Open Error",
              JOptionPane.INFORMATION_MESSAGE);
        }
      }

    } else if (cmd.equals(saveItem.getText())) {
      int returnVal = chooser.showSaveDialog(this);
      if (returnVal == JFileChooser.APPROVE_OPTION) {
        try {
          pic2.save(chooser.getSelectedFile().getName());
        } catch (Exception ex) {
          JOptionPane.showMessageDialog(
              this,
              "Could not write " + chooser.getSelectedFile().getName() + "\n" + ex.getMessage(),
              "Save Error",
              JOptionPane.INFORMATION_MESSAGE);
        }
      }
    }
  }