protected function incrementPositionsOnAllItems()
 {
     SActiveStore::updateAll(get_class($this), "{$this->positionField()} = ({$this->positionField()} + 1)", $this->scopeCondition());
 }
 protected function incrementPositionsOnAllItems()
 {
     SActiveStore::updateAll(get_class($this->record), "{$this->column} = ({$this->column} + 1)", $this->scopeCondition());
 }