protected function canDeleteField()
    {
        return isset($this->data_field['field_id'])
            && $this->field->canDelete($this->data_field['field_id'])
            && $this->access('field_delete');
    }
protected function canDeleteField()
    {
        return isset($this->data_field['field_id'])
            && $this->field->canDelete($this->data_field['field_id'])
            && $this->access('field_delete');
    }
protected function canDeleteField ( ) { return isset ( $ this -> data_field [ 'field_id' ] ) && $ this -> field -> canDelete ( $ this -> data_field [ 'field_id' ] ) && $ this -> access ( 'field_delete' ) ; }
Whether the field can be deleted
@return bool
Whether the field can be deleted