This commit was manufactured by cvs2svn to create tag 'WX_2_8_3'.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/tags/WX_2_8_3@44921 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

wxPython/wx/tools/XRCed/undo.py

@@ -6,6 +6,7 @@
 
 from globals import *
 from xxx import MakeXXXFromDOM
+from tree import *
 #from panel import *
 
 # Undo/redo classes
@@ -123,9 +124,10 @@ class UndoPasteCreate:
 class UndoReplace:
     def __init__(self, item):
         self.itemIndex = g.tree.ItemFullIndex(item)
-        self.xxx = g.tree.GetPyData(item)
+        #self.xxx = g.tree.GetPyData(item)
+        self.elem = None
     def destroy(self):
-        if self.xxx: self.xxx.element.unlink()
+        if self.elem: self.elem.unlink()
     def undo(self):
         print 'Sorry, UndoReplace is not yet implemented.'
         return
@@ -163,6 +165,91 @@ class UndoReplace:
     def redo(self):
         return
 
+class UndoMove:
+    def __init__(self, oldParent, oldIndex, newParent, newIndex):
+        self.oldParent = oldParent
+        self.oldIndex = oldIndex
+        self.newParent = newParent
+        self.newIndex = newIndex
+    def destroy(self):
+        pass
+    def undo(self):
+        item = g.tree.GetFirstChild(self.newParent)[0]
+        for i in range(self.newIndex): item = g.tree.GetNextSibling(item)
+        elem = g.tree.RemoveLeaf(item)
+        nextItem = g.tree.GetFirstChild(self.oldParent)[0]
+        for i in range(self.oldIndex): nextItem = g.tree.GetNextSibling(nextItem) 
+
+        parent = g.tree.GetPyData(self.oldParent).treeObject()
+
+        # Check parent and child relationships.
+        # If parent is sizer or notebook, child is of wrong class or
+        # parent is normal window, child is child container then detach child.
+        xxx = MakeXXXFromDOM(parent, elem)
+        isChildContainer = isinstance(xxx, xxxChildContainer)
+        if isChildContainer and \
+           ((parent.isSizer and not isinstance(xxx, xxxSizerItem)) or \
+            (isinstance(parent, xxxNotebook) and not isinstance(xxx, xxxNotebookPage)) or \
+           not (parent.isSizer or isinstance(parent, xxxNotebook))):
+            elem.removeChild(xxx.child.element) # detach child
+            elem.unlink()           # delete child container
+            elem = xxx.child.element # replace
+            # This may help garbage collection
+            xxx.child.parent = None
+            isChildContainer = False
+        # Parent is sizer or notebook, child is not child container
+        if parent.isSizer and not isChildContainer and not isinstance(xxx, xxxSpacer):
+            # Create sizer item element
+            sizerItemElem = MakeEmptyDOM('sizeritem')
+            sizerItemElem.appendChild(elem)
+            elem = sizerItemElem
+        elif isinstance(parent, xxxNotebook) and not isChildContainer:
+            pageElem = MakeEmptyDOM('notebookpage')
+            pageElem.appendChild(elem)
+            elem = pageElem
+
+        selected = g.tree.InsertNode(self.oldParent, parent, elem, nextItem)
+        g.tree.EnsureVisible(selected)
+        g.tree.SelectItem(selected)
+    def redo(self):
+        item = g.tree.GetFirstChild(self.oldParent)[0]
+        for i in range(self.oldIndex): item = g.tree.GetNextSibling(item)
+        elem = g.tree.RemoveLeaf(item)
+
+        parent = g.tree.GetPyData(self.newParent).treeObject()
+
+        # Check parent and child relationships.
+        # If parent is sizer or notebook, child is of wrong class or
+        # parent is normal window, child is child container then detach child.
+        xxx = MakeXXXFromDOM(parent, elem)
+        isChildContainer = isinstance(xxx, xxxChildContainer)
+        if isChildContainer and \
+           ((parent.isSizer and not isinstance(xxx, xxxSizerItem)) or \
+            (isinstance(parent, xxxNotebook) and not isinstance(xxx, xxxNotebookPage)) or \
+           not (parent.isSizer or isinstance(parent, xxxNotebook))):
+            elem.removeChild(xxx.child.element) # detach child
+            elem.unlink()           # delete child container
+            elem = xxx.child.element # replace
+            # This may help garbage collection
+            xxx.child.parent = None
+            isChildContainer = False
+        # Parent is sizer or notebook, child is not child container
+        if parent.isSizer and not isChildContainer and not isinstance(xxx, xxxSpacer):
+            # Create sizer item element
+            sizerItemElem = MakeEmptyDOM('sizeritem')
+            sizerItemElem.appendChild(elem)
+            elem = sizerItemElem
+        elif isinstance(parent, xxxNotebook) and not isChildContainer:
+            pageElem = MakeEmptyDOM('notebookpage')
+            pageElem.appendChild(elem)
+            elem = pageElem
+
+        nextItem = g.tree.GetFirstChild(self.newParent)[0]
+        for i in range(self.newIndex): nextItem = g.tree.GetNextSibling(nextItem) 
+        selected = g.tree.InsertNode(self.newParent, parent, elem, nextItem)
+        g.tree.EnsureVisible(selected)
+        g.tree.SelectItem(selected)
+
 class UndoEdit:
     def __init__(self):
         self.pages = map(ParamPage.GetState, g.panel.pages)