private String getNickname() {
    String nickName = null;
    ChatOperationReasonDialog reasonDialog =
        new ChatOperationReasonDialog(
            GuiActivator.getResources().getI18NString("service.gui.CHANGE_NICKNAME"),
            GuiActivator.getResources().getI18NString("service.gui.CHANGE_NICKNAME_LABEL"));

    reasonDialog.setReasonFieldText("");

    int result = reasonDialog.showDialog();

    if (result == MessageDialog.OK_RETURN_CODE) {
      nickName = reasonDialog.getReason().trim();
    }

    return nickName;
  }
  /**
   * Handles the <tt>ActionEvent</tt>. Determines which menu item was selected and makes the
   * appropriate operations.
   *
   * @param e the event.
   */
  public void actionPerformed(ActionEvent e) {
    JMenuItem menuItem = (JMenuItem) e.getSource();
    String itemName = menuItem.getName();

    ConferenceChatManager conferenceManager =
        GuiActivator.getUIService().getConferenceChatManager();

    if (itemName.equals("removeChatRoom")) {
      conferenceManager.removeChatRoom(chatRoomWrapper);
    } else if (itemName.equals("leaveChatRoom")) {
      conferenceManager.leaveChatRoom(chatRoomWrapper);
    } else if (itemName.equals("joinChatRoom")) {
      conferenceManager.joinChatRoom(chatRoomWrapper);
    } else if (itemName.equals("openChatRoom")) {
      if (chatRoomWrapper.getChatRoom() != null) {
        if (!chatRoomWrapper.getChatRoom().isJoined()) {
          conferenceManager.joinChatRoom(chatRoomWrapper);
        }
      } else {
        // this is not a server persistent room we must create it
        // and join
        chatRoomWrapper =
            GuiActivator.getUIService()
                .getConferenceChatManager()
                .createChatRoom(
                    chatRoomWrapper.getChatRoomName(),
                    chatRoomWrapper.getParentProvider().getProtocolProvider(),
                    new ArrayList<String>(),
                    "",
                    true,
                    true);
      }

      ChatWindowManager chatWindowManager = GuiActivator.getUIService().getChatWindowManager();
      ChatPanel chatPanel = chatWindowManager.getMultiChat(chatRoomWrapper, true);

      chatWindowManager.openChat(chatPanel, true);
    } else if (itemName.equals("joinAsChatRoom")) {
      ChatRoomAuthenticationWindow authWindow = new ChatRoomAuthenticationWindow(chatRoomWrapper);

      authWindow.setVisible(true);
    }
  }
  /**
   * Creates a new <tt>JMenuItem</tt> and adds it to this <tt>JPopupMenu</tt>.
   *
   * @param textKey the key of the internationalized string in the resources of the application
   *     which represents the text of the new <tt>JMenuItem</tt>
   * @param iconID the <tt>ImageID</tt> of the image in the resources of the application which
   *     represents the icon of the new <tt>JMenuItem</tt>
   * @param name the name of the new <tt>JMenuItem</tt>
   * @return a new <tt>JMenuItem</tt> instance which has been added to this <tt>JPopupMenu</tt>
   */
  private JMenuItem createMenuItem(String textKey, ImageID iconID, String name) {
    ResourceManagementService resources = GuiActivator.getResources();
    JMenuItem menuItem =
        new JMenuItem(
            resources.getI18NString(textKey), new ImageIcon(ImageLoader.getImage(iconID)));

    menuItem.setMnemonic(resources.getI18nMnemonic(textKey));
    menuItem.setName(name);

    menuItem.addActionListener(this);

    add(menuItem);

    return menuItem;
  }
  /**
   * Handles the <tt>ActionEvent</tt>. Determines which menu item was selected and makes the
   * appropriate operations.
   *
   * @param e the event.
   */
  public void actionPerformed(ActionEvent e) {
    JMenuItem menuItem = (JMenuItem) e.getSource();
    String itemName = menuItem.getName();

    ConferenceChatManager conferenceManager =
        GuiActivator.getUIService().getConferenceChatManager();

    if (itemName.equals("removeChatRoom")) {
      conferenceManager.removeChatRoom(chatRoomWrapper);
    } else if (itemName.equals("leaveChatRoom")) {
      conferenceManager.leaveChatRoom(chatRoomWrapper);
    } else if (itemName.equals("joinChatRoom")) {
      String nickName = null;

      nickName =
          ConfigurationManager.getChatRoomProperty(
              chatRoomWrapper.getParentProvider().getProtocolProvider(),
              chatRoomWrapper.getChatRoomID(),
              "userNickName");
      if (nickName == null) nickName = getNickname();

      if (nickName != null) conferenceManager.joinChatRoom(chatRoomWrapper, nickName, null);
      else conferenceManager.joinChatRoom(chatRoomWrapper);
    } else if (itemName.equals("openChatRoom")) {
      if (chatRoomWrapper.getChatRoom() != null) {
        if (!chatRoomWrapper.getChatRoom().isJoined()) {
          String nickName = null;

          nickName =
              ConfigurationManager.getChatRoomProperty(
                  chatRoomWrapper.getParentProvider().getProtocolProvider(),
                  chatRoomWrapper.getChatRoomID(),
                  "userNickName");
          if (nickName == null) nickName = getNickname();

          if (nickName != null) conferenceManager.joinChatRoom(chatRoomWrapper, nickName, null);
          else conferenceManager.joinChatRoom(chatRoomWrapper);
        }
      } else {
        // this is not a server persistent room we must create it
        // and join
        chatRoomWrapper =
            GuiActivator.getUIService()
                .getConferenceChatManager()
                .createChatRoom(
                    chatRoomWrapper.getChatRoomName(),
                    chatRoomWrapper.getParentProvider().getProtocolProvider(),
                    new ArrayList<String>(),
                    "",
                    false,
                    true);

        String nickName = null;

        nickName =
            ConfigurationManager.getChatRoomProperty(
                chatRoomWrapper.getParentProvider().getProtocolProvider(),
                chatRoomWrapper.getChatRoomID(),
                "userNickName");

        if (nickName == null) nickName = getNickname();

        if (nickName != null) conferenceManager.joinChatRoom(chatRoomWrapper, nickName, null);
        else conferenceManager.joinChatRoom(chatRoomWrapper);
      }

      ChatWindowManager chatWindowManager = GuiActivator.getUIService().getChatWindowManager();
      ChatPanel chatPanel = chatWindowManager.getMultiChat(chatRoomWrapper, true);

      chatWindowManager.openChat(chatPanel, true);
    } else if (itemName.equals("joinAsChatRoom")) {
      ChatRoomAuthenticationWindow authWindow = new ChatRoomAuthenticationWindow(chatRoomWrapper);

      authWindow.setVisible(true);
    } else if (itemName.equals("nickNameChatRoom")) {
      String nickName = null;

      nickName =
          ConfigurationManager.getChatRoomProperty(
              chatRoomWrapper.getParentProvider().getProtocolProvider(),
              chatRoomWrapper.getChatRoomID(),
              "userNickName");

      ChatOperationReasonDialog reasonDialog =
          new ChatOperationReasonDialog(
              GuiActivator.getResources().getI18NString("service.gui.CHANGE_NICKNAME"),
              GuiActivator.getResources().getI18NString("service.gui.CHANGE_NICKNAME_LABEL"));

      reasonDialog.setReasonFieldText(
          nickName == null
              ? chatRoomWrapper.getParentProvider().getProtocolProvider().getAccountID().getUserID()
              : nickName);

      int result = reasonDialog.showDialog();

      if (result == MessageDialog.OK_RETURN_CODE) {
        nickName = reasonDialog.getReason().trim();
      }

      ConfigurationManager.updateChatRoomProperty(
          chatRoomWrapper.getParentProvider().getProtocolProvider(),
          chatRoomWrapper.getChatRoomID(),
          "userNickName",
          nickName);
    }
  }