private void updateList() {
    ActionSet actionSet = (ActionSet) combo.getSelectedItem();
    EditAction[] actions = actionSet.getActions();
    Vector listModel = new Vector(actions.length);

    for (int i = 0; i < actions.length; i++) {
      EditAction action = actions[i];
      String label = action.getLabel();
      if (label == null) continue;

      listModel.addElement(new ToolBarOptionPane.Button(action.getName(), null, null, label));
    }

    MiscUtilities.quicksort(listModel, new ToolBarOptionPane.ButtonCompare());
    list.setListData(listModel);
  }
  public ToolBarEditDialog(
      Component comp, DefaultComboBoxModel iconListModel, ToolBarOptionPane.Button current) {
    super(
        GUIUtilities.getParentDialog(comp), jEdit.getProperty("options.toolbar.edit.title"), true);

    JPanel content = new JPanel(new BorderLayout());
    content.setBorder(new EmptyBorder(12, 12, 12, 12));
    setContentPane(content);

    ActionHandler actionHandler = new ActionHandler();
    ButtonGroup grp = new ButtonGroup();

    JPanel typePanel = new JPanel(new GridLayout(3, 1, 6, 6));
    typePanel.setBorder(new EmptyBorder(0, 0, 6, 0));
    typePanel.add(new JLabel(jEdit.getProperty("options.toolbar.edit.caption")));

    separator = new JRadioButton(jEdit.getProperty("options.toolbar" + ".edit.separator"));
    separator.addActionListener(actionHandler);
    grp.add(separator);
    typePanel.add(separator);

    action = new JRadioButton(jEdit.getProperty("options.toolbar" + ".edit.action"));
    action.addActionListener(actionHandler);
    grp.add(action);
    typePanel.add(action);

    content.add(BorderLayout.NORTH, typePanel);

    JPanel actionPanel = new JPanel(new BorderLayout(6, 6));

    ActionSet[] actionsList = jEdit.getActionSets();
    Vector vec = new Vector(actionsList.length);
    for (int i = 0; i < actionsList.length; i++) {
      ActionSet actionSet = actionsList[i];
      if (actionSet.getActionCount() != 0) vec.addElement(actionSet);
    }
    combo = new JComboBox(vec);
    combo.addActionListener(actionHandler);
    actionPanel.add(BorderLayout.NORTH, combo);

    list = new JList();
    list.setVisibleRowCount(8);
    list.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    actionPanel.add(BorderLayout.CENTER, new JScrollPane(list));

    JPanel iconPanel = new JPanel(new BorderLayout(0, 3));
    JPanel labelPanel = new JPanel(new GridLayout(2, 1));
    labelPanel.setBorder(new EmptyBorder(0, 0, 0, 12));
    JPanel compPanel = new JPanel(new GridLayout(2, 1));
    grp = new ButtonGroup();
    labelPanel.add(builtin = new JRadioButton(jEdit.getProperty("options.toolbar.edit.builtin")));
    builtin.addActionListener(actionHandler);
    grp.add(builtin);
    labelPanel.add(file = new JRadioButton(jEdit.getProperty("options.toolbar.edit.file")));
    grp.add(file);
    file.addActionListener(actionHandler);
    iconPanel.add(BorderLayout.WEST, labelPanel);
    builtinCombo = new JComboBox(iconListModel);
    builtinCombo.setRenderer(new ToolBarOptionPane.IconCellRenderer());
    compPanel.add(builtinCombo);

    fileButton = new JButton(jEdit.getProperty("options.toolbar.edit.no-icon"));
    fileButton.setMargin(new Insets(1, 1, 1, 1));
    fileButton.setIcon(GUIUtilities.loadIcon("Blank24.gif"));
    fileButton.setHorizontalAlignment(SwingConstants.LEFT);
    fileButton.addActionListener(actionHandler);
    compPanel.add(fileButton);
    iconPanel.add(BorderLayout.CENTER, compPanel);
    actionPanel.add(BorderLayout.SOUTH, iconPanel);

    content.add(BorderLayout.CENTER, actionPanel);

    JPanel southPanel = new JPanel();
    southPanel.setLayout(new BoxLayout(southPanel, BoxLayout.X_AXIS));
    southPanel.setBorder(new EmptyBorder(12, 0, 0, 0));
    southPanel.add(Box.createGlue());
    ok = new JButton(jEdit.getProperty("common.ok"));
    ok.addActionListener(actionHandler);
    getRootPane().setDefaultButton(ok);
    southPanel.add(ok);
    southPanel.add(Box.createHorizontalStrut(6));
    cancel = new JButton(jEdit.getProperty("common.cancel"));
    cancel.addActionListener(actionHandler);
    southPanel.add(cancel);
    southPanel.add(Box.createGlue());

    content.add(BorderLayout.SOUTH, southPanel);

    if (current == null) {
      action.setSelected(true);
      builtin.setSelected(true);
      updateList();
    } else {
      if (current.actionName.equals("-")) {
        separator.setSelected(true);
        builtin.setSelected(true);
      } else {
        action.setSelected(true);
        ActionSet set = jEdit.getActionSetForAction(current.actionName);
        combo.setSelectedItem(set);
        updateList();
        list.setSelectedValue(current, true);

        if (MiscUtilities.isURL(current.iconName)) {
          file.setSelected(true);
          fileIcon = current.iconName;
          try {
            fileButton.setIcon(new ImageIcon(new URL(fileIcon)));
          } catch (MalformedURLException mf) {
            Log.log(Log.ERROR, this, mf);
          }
          fileButton.setText(MiscUtilities.getFileName(fileIcon));
        } else {
          String iconName = MiscUtilities.getFileName(current.iconName);
          builtin.setSelected(true);
          ListModel model = builtinCombo.getModel();
          for (int i = 0; i < model.getSize(); i++) {
            ToolBarOptionPane.IconListEntry entry =
                (ToolBarOptionPane.IconListEntry) model.getElementAt(i);
            if (entry.name.equals(iconName)) {
              builtinCombo.setSelectedIndex(i);
              break;
            }
          }
        }
      }
    }

    updateEnabled();

    pack();
    setLocationRelativeTo(GUIUtilities.getParentDialog(comp));
    show();
  }