public DesktopAppFrame() { setLayout(new GridBagLayout()); final JFileChooser chooser = new JFileChooser(); JButton fileChooserButton = new JButton("..."); final JTextField fileField = new JTextField(20); fileField.setEditable(false); JButton openButton = new JButton("Open"); JButton editButton = new JButton("Edit"); JButton printButton = new JButton("Print"); final JTextField browseField = new JTextField(); JButton browseButton = new JButton("Browse"); final JTextField toField = new JTextField(); final JTextField subjectField = new JTextField(); JButton mailButton = new JButton("Mail"); openButton.setEnabled(false); editButton.setEnabled(false); printButton.setEnabled(false); browseButton.setEnabled(false); mailButton.setEnabled(false); if (Desktop.isDesktopSupported()) { Desktop desktop = Desktop.getDesktop(); if (desktop.isSupported(Desktop.Action.OPEN)) openButton.setEnabled(true); if (desktop.isSupported(Desktop.Action.EDIT)) editButton.setEnabled(true); if (desktop.isSupported(Desktop.Action.PRINT)) printButton.setEnabled(true); if (desktop.isSupported(Desktop.Action.BROWSE)) browseButton.setEnabled(true); if (desktop.isSupported(Desktop.Action.MAIL)) mailButton.setEnabled(true); } fileChooserButton.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { if (chooser.showOpenDialog(DesktopAppFrame.this) == JFileChooser.APPROVE_OPTION) fileField.setText(chooser.getSelectedFile().getAbsolutePath()); } }); openButton.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { try { Desktop.getDesktop().open(chooser.getSelectedFile()); } catch (IOException ex) { ex.printStackTrace(); } } }); editButton.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { try { Desktop.getDesktop().edit(chooser.getSelectedFile()); } catch (IOException ex) { ex.printStackTrace(); } } }); printButton.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { try { Desktop.getDesktop().print(chooser.getSelectedFile()); } catch (IOException ex) { ex.printStackTrace(); } } }); browseButton.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { try { Desktop.getDesktop().browse(new URI(browseField.getText())); } catch (URISyntaxException ex) { ex.printStackTrace(); } catch (IOException ex) { ex.printStackTrace(); } } }); mailButton.addActionListener( new ActionListener() { public void actionPerformed(ActionEvent e) { try { String subject = percentEncode(subjectField.getText()); URI uri = new URI("mailto:" + toField.getText() + "?subject=" + subject); System.out.println(uri); Desktop.getDesktop().mail(uri); } catch (URISyntaxException ex) { ex.printStackTrace(); } catch (IOException ex) { ex.printStackTrace(); } } }); JPanel buttonPanel = new JPanel(); ((FlowLayout) buttonPanel.getLayout()).setHgap(2); buttonPanel.add(openButton); buttonPanel.add(editButton); buttonPanel.add(printButton); add(fileChooserButton, new GBC(0, 0).setAnchor(GBC.EAST).setInsets(2)); add(fileField, new GBC(1, 0).setFill(GBC.HORIZONTAL)); add(buttonPanel, new GBC(2, 0).setAnchor(GBC.WEST).setInsets(0)); add(browseField, new GBC(1, 1).setFill(GBC.HORIZONTAL)); add(browseButton, new GBC(2, 1).setAnchor(GBC.WEST).setInsets(2)); add(new JLabel("To:"), new GBC(0, 2).setAnchor(GBC.EAST).setInsets(5, 2, 5, 2)); add(toField, new GBC(1, 2).setFill(GBC.HORIZONTAL)); add(mailButton, new GBC(2, 2).setAnchor(GBC.WEST).setInsets(2)); add(new JLabel("Subject:"), new GBC(0, 3).setAnchor(GBC.EAST).setInsets(5, 2, 5, 2)); add(subjectField, new GBC(1, 3).setFill(GBC.HORIZONTAL)); pack(); }