- private JPanel menuPanel;
-
- public JButton selectedButton;
- public File selectedFile;
-
- private final Set<MenuListener> menuListeners = new HashSet<MenuListener>();
-
- public Menu(final File directory) {
- buildContentPanel(directory);
- };
-
- public void addMenuListener(final MenuListener menuListener) {
- menuListeners.add(menuListener);
- }
-
- public JButton buildButton(final File file) {
- JButton button;
- if (file.isDirectory()) {
- button = new JButton("[ " + file.getName() + " ]");
- } else {
- button = new JButton(file.getName());
- }
-
- button.setBackground(getFileColor(file, false));
- button.setForeground(new Color(255, 255, 255));
-
- button.setBorder(new EmptyBorder(5, 10, 5, 10));
-
- final Menu.ButtonMouseListener mouseListener = new ButtonMouseListener(button, this, file);
- button.addMouseListener(mouseListener);
-
- button.setHorizontalTextPosition(SwingConstants.CENTER);
-
- // set button size
- Utils.setComponentSize(button, SIZE_BUTTON);
-
- return button;
- }
-
- private void buildContentPanel(final File directory) {
- menuPanel = new JPanel();
-
- Utils.setComponentSize(menuPanel, SIZE_MENU_PANEL);
-
- final BoxLayout layout = new BoxLayout(menuPanel, BoxLayout.Y_AXIS);
- menuPanel.setLayout(layout);
- menuPanel.setBackground(Color.BLACK);
-
- final File[] listFiles = directory.listFiles();
-
- // Sort files by name
- Arrays.sort(listFiles, new Comparator<File>() {
- @Override
- public int compare(final File f1, final File f2) {
-
- // directories come before files
- if (f1.isFile() && f2.isDirectory()) {
- return 1;
- }
- if (f2.isFile() && f1.isDirectory()) {
- return -1;
- }
-
- // order by file name
- return f1.getName().toUpperCase().compareTo(f2.getName().toUpperCase());
- }
- });
-
- // add files to the panel
- for (final File file : listFiles) {
- // ignore hidden files
- if (!file.getName().startsWith(".")) {
- menuPanel.add(Box.createVerticalStrut(10));
- menuPanel.add(buildButton(file));
- }
- }
- }
-
- public JPanel getMenuPanel() {
- return menuPanel;
- }
-
- public JButton getSelectedButton() {
- return selectedButton;
- }
-
- public File getSelectedFile() {
- return selectedFile;
- }
-
- public void notifyAlternativeEventListeners(final File chosenFile) {
- for (final MenuListener menuListener : menuListeners) {
- menuListener.menuItemSelectedAlternative(this, chosenFile);
- }
- }
-
- public void notifyEventListeners(final File chosenFile) {
- for (final MenuListener menuListener : menuListeners) {
- menuListener.menuItemSelected(this, chosenFile);
- }
- }
-
- public void setSelected(final JButton selectedButton, final File selectedFile) {
- this.selectedButton = selectedButton;
- this.selectedFile = selectedFile;
- }
-
- /**
- * <pre>
- * Assign specific colors to:
- * Directory
- * Executable file
- * Non executable file
- * </pre>
- */
- public static Color getFileColor(final File file, final boolean selected) {
- if (file.isDirectory()) {
- if (selected) {
- return BUTTON_BG_DIRECTORY_SELECTED;
- } else {
- return BUTTON_BG_DIRECTORY;
- }
- }
-
- if (file.isFile()) {
- if (file.canExecute()) {
- if (selected) {
- return BUTTON_BG_EXECUTABLE_FILE_SELECTED;
- } else {
- return BUTTON_BG_EXECUTABLE_FILE;
- }
- } else {
- if (selected) {
- return BUTTON_BG_NONEXECUTABLE_FILE_SELECTED;
- } else {
- return BUTTON_BG_NONEXECUTABLE_FILE;
- }
- }
- }
-
- if (selected) {
- return BUTTON_BG_LINK_SELECTED;
- } else {
- return BUTTON_BG_LINK;
- }
- }
-
- public static class ButtonMouseListener implements MouseListener {
-
- JButton parentButton;
- Menu parentMenu;
- File file;
-
- public ButtonMouseListener(final JButton button, final Menu parentMenu, final File file) {
- parentButton = button;
- this.parentMenu = parentMenu;
- this.file = file;
- }
-
- @Override
- public void mouseClicked(final MouseEvent e) {
- try {
-
- if (e.getButton() == 1) {
- parentMenu.notifyEventListeners(file);
- }
- if (e.getButton() == 3) {
- parentMenu.notifyAlternativeEventListeners(file);
- }
- } catch (final Exception ex) {
- new ExceptionDialog(ex);
- }
- }
-
- @Override
- public void mouseEntered(final MouseEvent e) {
- try {
- if (parentButton != parentMenu.getSelectedButton()) {
-
- if (parentMenu.getSelectedButton() != null) {
- parentMenu.getSelectedButton().setBackground(getFileColor(parentMenu.getSelectedFile(), false));
- }
-
- parentMenu.setSelected(parentButton, file);
- parentButton.setBackground(getFileColor(file, true));
-
- if (file.isDirectory()) {
- parentMenu.notifyEventListeners(file);
- }
- }
- } catch (final Exception ex) {
- new ExceptionDialog(ex);
- }
- }
-
- @Override
- public void mouseExited(final MouseEvent e) {
- }
-
- @Override
- public void mousePressed(final MouseEvent e) {
- }
-
- @Override
- public void mouseReleased(final MouseEvent e) {
- }
-
- }