isCommandEnabled()

in calendar/base/content/calendar-command-controller.js [119:252]

• 114 lines of code
• 80 McCabe index (conditional complexity)

  isCommandEnabled(aCommand) {
    switch (aCommand) {
      case "calendar_new_event_command":
      case "calendar_new_event_context_command":
      case "calendar_new_event_todaypane_command":
        return CalendarNewEventsCommandEnabled;
      case "calendar_modify_focused_item_command":
        return this.item_selected && canEditSelectedItems();
      case "calendar_modify_event_command":
        return this.item_selected && canEditSelectedItems();
      case "calendar_view_event_command":
        return this.item_selected;
      case "calendar_delete_focused_item_command":
        return CalendarDeleteCommandEnabled && this.selected_items_writable;
      case "calendar_delete_event_command":
        return CalendarDeleteCommandEnabled && this.selected_items_writable;
      case "calendar_new_todo_command":
      case "calendar_new_todo_context_command":
      case "calendar_new_todo_todaypane_command":
      case "calendar_toggle_tasks_in_view_command":
        return CalendarNewTasksCommandEnabled;
      case "calendar_modify_todo_command":
      case "calendar_modify_todo_todaypane_command":
        return this.todo_items_selected;
      // This code is temporarily commented out due to
      // bug 469684 Unifinder-todo: raising of the context menu fires blur-event
      // this.todo_tasktree_focused;
      case "calendar_edit_calendar_command":
        return this.isCalendarInForeground();
      case "calendar_task_filter_command":
        return true;
      case "calendar_delete_todo_command":
        if (!CalendarDeleteCommandEnabled) {
          return false;
        }
      // falls through otherwise
      case "calendar_toggle_completed_command":
      case "calendar_percentComplete-0_command":
      case "calendar_percentComplete-25_command":
      case "calendar_percentComplete-50_command":
      case "calendar_percentComplete-75_command":
      case "calendar_percentComplete-100_command":
      case "calendar_priority-0_command":
      case "calendar_priority-9_command":
      case "calendar_priority-5_command":
      case "calendar_priority-1_command":
      case "calendar_task_category_command":
      case "calendar_general-progress_command":
      case "calendar_general-priority_command":
      case "calendar_general-postpone_command":
      case "calendar_postpone-1hour_command":
      case "calendar_postpone-1day_command":
      case "calendar_postpone-1week_command":
        return (
          ((this.isCalendarInForeground() || this.todo_tasktree_focused) &&
            this.writable &&
            this.todo_items_selected &&
            this.todo_items_writable) ||
          document.getElementById("tabmail").currentTabInfo.mode.type == "calendarTask"
        );
      case "calendar_delete_calendar_command":
        return this.isCalendarInForeground() && !this.last_calendar;
      case "calendar_import_command":
        return this.writable;
      case "calendar_export_selection_command":
        return this.item_selected;
      case "calendar_toggle_orientation_command":
        return this.isInMode("calendar") && currentView().supportsRotation;
      case "calendar_toggle_workdays_only_command":
        return this.isInMode("calendar") && currentView().supportsWorkdaysOnly;
      case "calendar_publish_selected_events_command":
        return this.item_selected;

      case "calendar_reload_remote_calendars":
        return this.has_enabled_reloadable_calendars && !this.offline;
      case "calendar_attendance_command": {
        let attendSel = false;
        if (this.todo_tasktree_focused) {
          attendSel =
            this.writable &&
            this.todo_items_invitation &&
            this.todo_items_selected &&
            this.todo_items_writable;
        } else {
          attendSel =
            this.item_selected && this.selected_events_invitation && this.selected_items_writable;
        }

        // Small hack, we want to hide instead of disable.
        document.getElementById("calendar_attendance_command").setAttribute("hidden", !attendSel);
        return attendSel;
      }

      // The following commands all just need the calendar in foreground,
      // make sure you take care when changing things here.
      case "calendar_view_next_command":
      case "calendar_view_prev_command":
      case "calendar_in_foreground":
        return this.isCalendarInForeground();
      case "calendar_in_background":
        return !this.isCalendarInForeground();

      // The following commands need calendar mode, be careful when
      // changing things.
      case "calendar_day-view_command":
      case "calendar_week-view_command":
      case "calendar_multiweek-view_command":
      case "calendar_month-view_command":
      case "calendar_show_unifinder_command":
      case "calendar_mode_calendar":
        return this.isInMode("calendar");

      case "calendar_mode_task":
        return this.isInMode("task");

      case "cmd_selectAll":
        return this.todo_tasktree_focused || this.isInMode("calendar");

      // for events/tasks in a tab
      case "cmd_save":
      // falls through
      case "cmd_accept": {
        const tabType = document.getElementById("tabmail").currentTabInfo.mode.type;
        return tabType == "calendarTask" || tabType == "calendarEvent";
      }

      default:
        if (this.commands.has(aCommand)) {
          // All other commands we support should be enabled by default
          return true;
        }
    }
    return false;
  },