Listens for query's being dragged and dropped onto this tree.
        
        :param      event | <QDropEvent>

def dropEvent(self, event):
        """
        Listens for query's being dragged and dropped onto this tree.
        
        :param      event | <QDropEvent>
        """
        # overload the current filtering options
        data = event.mimeData()
        if data.hasFormat('application/x-orb-table') and \
           data.hasFormat('application/x-orb-query'):
            tableName = self.tableTypeName()
            if nstr(data.data('application/x-orb-table')) == tableName:
                data = nstr(data.data('application/x-orb-query'))
                query = Q.fromXmlString(data)
                self.setQuery(query)
                return
        
        elif self.tableType() and data.hasFormat('application/x-orb-records'):
            from projexui.widgets.xorbtreewidget import XOrbTreeWidget
            records = XOrbTreeWidget.dataRestoreRecords(data)
            
            for record in records:
                if isinstance(record, self.tableType()):
                    self.setCurrentRecord(record)
                    return
        
        super(XOrbRecordBox, self).dropEvent(event)