/** Opens the currently selected chat. */
  void openChatForSelection() {
    Object selectedValue = this.chatRoomsTableModel.getValueAt(this.chatRoomList.getSelectedRow());

    ChatRoomWrapper chatRoomWrapper;
    if (selectedValue instanceof ChatRoomWrapper) chatRoomWrapper = (ChatRoomWrapper) selectedValue;
    else return;

    if (!chatRoomWrapper.getChatRoom().isJoined()) {
      GuiActivator.getUIService().getConferenceChatManager().joinChatRoom(chatRoomWrapper);
    }

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

    chatWindowManager.openChat(chatPanel, true);
  }
  /**
   * 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);
    }
  }