def DropTreeItem(self, event):
""" Finish a drop-and-drop for the tree """
self._drop_node = self.treebox.GetPyData(event.GetItem())
# Can't drop onto a child of the self._drag_node (infinite loop)
if cf.isDescendant(self._drag_node, self._drop_node):
event.Veto()
else:
# Okay, move the word
cf.moveWord(self._drag_node, self._drop_node)
# Refresh the tree
self.DisplayTree(self.search_root, self.search_words,
select=self._drop_node)
def testMoveWord(self):
""" Test moving a word to a different location in the tree """
db = self.getDB()
# Here we move ross to be a child of hross
# First get references to the words
num_trees, matched_words = cf.searchDB(db, "ross")
test_source = matched_words[0][1]
test_source_parent = cf.loadWordParents(test_source)
num_trees, matched_words = cf.searchDB(db, "hross")
test_dest_parent = matched_words[0][1]
self.assertEqual(cf.countWordChildren(test_dest_parent), 0)
# Perform the move
cf.moveWord(test_source, test_dest_parent)
# Make sure it really happened
self.assertEqual(cf.countWordChildren(test_dest_parent), 1)
self.assertEqual(cf.countWordChildren(test_source_parent), 0)
self.assertEqual(cf.loadWordParents(test_source), test_dest_parent)
# Let's test for some bad inputs
self.assertRaises(cf.EtymExceptWord, cf.moveWord, None, None)
self.assertRaises(cf.EtymExceptWord, cf.moveWord, test_source, None)
self.assertRaises(cf.EtymExceptWord, cf.moveWord, None, test_source)
# Another test, this time make sure the children are maintained
# We move fearh (which has a child and a grandchild) to be a child
# of porcus (which has two children and a few further descendants)
db = self.getDB()
# First get references to the words
num_trees, matched_words = cf.searchDB(db, "fearh")
test_source = matched_words[0][1]
test_source_parent = cf.loadWordParents(test_source)
num_trees, matched_words = cf.searchDB(db, "porcus")
test_dest_parent = matched_words[0][1]
self.assertEqual(cf.countWordChildren(test_dest_parent), 2)
self.assertEqual(cf.countWordChildren(test_source), 1)
# Perform the move
cf.moveWord(test_source, test_dest_parent)
# Make sure it really happened
self.assertEqual(cf.countWordChildren(test_dest_parent), 3)
self.assertEqual(cf.countWordChildren(test_source_parent), 2)
self.assertEqual(cf.loadWordParents(test_source), test_dest_parent)
self.assertEqual(cf.countWordChildren(test_source), 1)
num_trees, matched_words = cf.searchDB(db, "far")
test_dest_child = matched_words[0][1]
self.assertEqual(cf.loadWordParents(test_dest_child), test_source)