/** * Read available calendars from server */ private function _read_calendars() { // already read sources if (isset($this->calendars)) { return $this->calendars; } // get all folders that have "event" type, sorted by namespace/name $folders = kolab_storage::sort_folders(kolab_storage::get_folders('event') + kolab_storage::get_user_folders('event', true)); $this->calendars = array(); foreach ($folders as $folder) { if ($folder instanceof kolab_storage_folder_user) { $calendar = new kolab_user_calendar($folder->name, $this->cal); $calendar->subscriptions = count($folder->children) > 0; } else { $calendar = new kolab_calendar($folder->name, $this->cal); } if ($calendar->ready) { $this->calendars[$calendar->id] = $calendar; if ($calendar->editable) { $this->has_writeable = true; } } } return $this->calendars; }