isCommandEnabled: function()

in suite/mailnews/content/messageWindow.js [625:756]

• 128 lines of code
• 92 McCabe index (conditional complexity)

  isCommandEnabled: function(command)
  {
    var loadedFolder;
    var enabled = new Object();
    enabled.value = false;
    var checkStatus = new Object();

    switch (command)
    {
      case "cmd_createFilterFromPopup":
      case "cmd_createFilterFromMenu":
        loadedFolder = GetLoadedMsgFolder();
        return (loadedFolder && loadedFolder.server.canHaveFilters);
      case "cmd_delete":
        UpdateDeleteCommand();
        // fall through
      case "button_delete":
        if (command == "button_delete")
          UpdateDeleteToolbarButton(false);
        // fall through
      case "cmd_shiftDelete":
      case "button_shiftDelete":
        loadedFolder = GetLoadedMsgFolder();
        return gCurrentMessageUri && loadedFolder && loadedFolder.canDeleteMessages;
      case "button_junk":
        UpdateJunkToolbarButton();
        // fall through
      case "cmd_markAsJunk":
      case "cmd_markAsNotJunk":
        if (gDBView)
          gDBView.getCommandStatus(nsMsgViewCommandType.junk, enabled, checkStatus);
        return enabled.value;
      case "cmd_recalculateJunkScore":
        if (GetNumSelectedMessages() > 0 && gDBView)
          gDBView.getCommandStatus(nsMsgViewCommandType.runJunkControls, enabled, checkStatus);
        return enabled.value;
      case "cmd_reply":
      case "button_reply":
      case "cmd_replyList":
      case "cmd_replyGroup":
      case "cmd_replySender":
      case "cmd_replyall":
      case "button_replyall":
      case "cmd_replySenderAndGroup":
      case "cmd_replyAllRecipients":
      case "cmd_forward":
      case "button_forward":
      case "cmd_forwardInline":
      case "cmd_forwardAttachment":
      case "cmd_editAsNew":
      case "cmd_editDraftMsg":
      case "cmd_newMsgFromTemplate":
      case "cmd_editTemplateMsg":
      case "cmd_print":
      case "cmd_printpreview":
      case "button_print":
      case "cmd_saveAsFile":
        return true;
      case "cmd_saveAsTemplate":
        var target = getMessageBrowser().contentPrincipal.URI.scheme;
        return target != "news";
      case "cmd_viewPageSource":
      case "cmd_reload":
      case "cmd_find":
      case "button_mark":
      case "cmd_markAllRead":
      case "cmd_markThreadAsRead":
      case "cmd_markReadByDate":
      case "cmd_viewAllHeader":
      case "cmd_viewNormalHeader":
        return true;
      case "cmd_markAsRead":
        return CanMarkMsgAsRead(true);
      case "cmd_markAsUnread":
        return CanMarkMsgAsRead(false);
      case "cmd_markAsFlagged":
      case "button_file":
        return (gCurrentMessageUri != null);
      case "cmd_markAsShowRemote":
        return (GetNumSelectedMessages() > 0 && checkMsgHdrPropertyIsNot("remoteContentPolicy", kAllowRemoteContent));
      case "cmd_markAsNotPhish":
        return (GetNumSelectedMessages() > 0 && checkMsgHdrPropertyIsNot("notAPhishMessage", kNotAPhishMessage));
      case "cmd_printSetup":
        return true;
      case "cmd_getNewMessages":
      case "button_getNewMessages":
      case "cmd_getMsgsForAuthAccounts":
        return IsGetNewMessagesEnabled();
      case "cmd_getNextNMessages":
        return IsGetNextNMessagesEnabled();
      case "cmd_downloadFlagged":
      case "cmd_downloadSelected":
      case "cmd_synchronizeOffline":
        return !Services.io.offline;
      case "cmd_settingsOffline":
        return IsAccountOfflineEnabled();
      case "cmd_nextMsg":
      case "button_next":
      case "cmd_nextUnreadMsg":
      case "cmd_nextFlaggedMsg":
      case "cmd_nextUnreadThread":
      case "cmd_previousMsg":
      case "cmd_previousUnreadMsg":
      case "cmd_previousFlaggedMsg":
      case "cmd_applyFiltersToSelection":
        return true;
      case "cmd_findNext":
      case "cmd_findPrev":
        return MsgCanFindAgain();
      case "cmd_goBack":
      case "button_goBack":
        return gDBView && gDBView.navigateStatus(nsMsgNavigationType.back);
      case "cmd_goForward":
      case "button_goForward":
        return gDBView && gDBView.navigateStatus(nsMsgNavigationType.forward);
      case "button_search":
      case "cmd_search":
        loadedFolder = GetLoadedMsgFolder();
        return (loadedFolder && loadedFolder.server.canSearchMessages);
      case "cmd_stop":
        return true;
      case "cmd_undo":
      case "cmd_redo":
        return SetupUndoRedoCommand(command);
      case "cmd_applyFilters":
      case "cmd_runJunkControls":
      case "cmd_deleteJunk":
        return false;
      default:
        return false;
    }
  },