Code cleanup in core classes and rename of parHandle to itemParent in NWItem class

tests/test_item.py

@@ -31,13 +31,13 @@ def testItemSettersSimple(nwDummy):
 
     # Parent
     theItem.setParent(None)
-    assert theItem.parHandle is None
+    assert theItem.itemParent is None
     theItem.setParent(123)
-    assert theItem.parHandle is None
+    assert theItem.itemParent is None
     theItem.setParent("0123456789abcdef")
-    assert theItem.parHandle is None
+    assert theItem.itemParent is None
     theItem.setParent("0123456789abc")
-    assert theItem.parHandle == "0123456789abc"
+    assert theItem.itemParent == "0123456789abc"
 
     # Order
     theItem.setOrder(None)
@@ -227,7 +227,7 @@ def testItemXMLPackUnpack(nwDummy):
     # Unpack
     assert theItem.unpackXML(xContent[0])
     assert theItem.itemHandle == "0123456789abc"
-    assert theItem.parHandle == "0123456789abc"
+    assert theItem.itemParent == "0123456789abc"
     assert theItem.itemOrder == 1
     assert theItem.isExpanded
     assert theItem.paraCount == 3

tests/test_project.py

@@ -521,7 +521,7 @@ def testProjectOrphanedFiles(nwDummy, nwLipsum):
     assert oItem is not None
     assert oItem.itemName == "Mars"
     assert oItem.itemHandle == "636b6aa9b697b"
-    assert oItem.parHandle is None
+    assert oItem.itemParent is None
     assert oItem.itemClass == nwItemClass.WORLD
     assert oItem.itemType == nwItemType.FILE
     assert oItem.itemLayout == nwItemLayout.NOTE
@@ -531,7 +531,7 @@ def testProjectOrphanedFiles(nwDummy, nwLipsum):
     assert oItem is not None
     assert oItem.itemName == "Orphaned File 1"
     assert oItem.itemHandle == "736b6aa9b697b"
-    assert oItem.parHandle is None
+    assert oItem.itemParent is None
     assert oItem.itemClass == nwItemClass.NO_CLASS
     assert oItem.itemType == nwItemType.FILE
     assert oItem.itemLayout == nwItemLayout.NO_LAYOUT