def add_to_tree(self):
if self.mysql.do:
self.nDataBase = self.mysql.getDataBase()
for i in self.nDataBase:
item_m = QTreeWidgetItem(self)
item_m.setStatusTip(0, 'main')
item_m.setText(0, "%s" % i)
if i in self.li:
item_m.setExpanded(True)
self.table = self.mysql.getTables(i)
for j in self.table:
item_c = QTreeWidgetItem(item_m)
item_c.setStatusTip(0, i)
item_c.setText(0, "%s" % j)
