Creates the record item instance for the given record.
        
        :param      records     | [<orb.Table>, ..]
                    parent      | <QTreeWidgetItem> || <QTreeWidget>
        
        :return     <QTreeWidgetItem>

def createRecordItems(self, records, parent=None):
        """
        Creates the record item instance for the given record.
        
        :param      records     | [<orb.Table>, ..]
                    parent      | <QTreeWidgetItem> || <QTreeWidget>
        
        :return     <QTreeWidgetItem>
        """
        if parent is None:
            parent=self
            
        blocked = self.signalsBlocked()
        self.blockSignals(True)
        self.setUpdatesEnabled(False)
        for record in records:
            self.recordItemClass(record)(parent, record)
        
        if not blocked:
            self.blockSignals(False)
            self.setUpdatesEnabled(True)