def dragEnterEvent(tree_view, e):
try:
_index = tree_view.indexAt(QPoint(e.pos().x(), e.pos().y()))
_i = self.groupTreeModel.itemFromIndex(_index)
if _i and _i.parent():
_g = _i.parent()
_group_id = str(_g.data().toPyObject())
_group = self.server.group(_group_id)
self.__dragged_dut = _group.dut(str(_i.data().toPyObject()))
print '***', str(self.__dragged_dut.dut_name)
QTreeView.dragEnterEvent(tree_view, e)
else:
print 'no item dragged'
except Exception,e:
print 'error', str(e)
