X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8bc0c17afc3a83b625a6109375bf86a126cac69e..aea9f6d5d3eb8513065583fa8e26d7687c39cc4b:/wxPython/wx/lib/customtreectrl.py

diff --git a/wxPython/wx/lib/customtreectrl.py b/wxPython/wx/lib/customtreectrl.py
index d987320ca0..87313192a2 100644
--- a/wxPython/wx/lib/customtreectrl.py
+++ b/wxPython/wx/lib/customtreectrl.py
@@ -924,7 +924,7 @@ class TreeTextCtrl(wx.TextCtrl):
         
             else:
         
-                raise "\n ERROR: You Must Create An Image List To Use Images!"
+                raise Exception("\n ERROR: You Must Create An Image List To Use Images!")
 
         checkimage = item.GetCurrentCheckedImage()
 
@@ -1321,7 +1321,7 @@ class GenericTreeItem:
         """Returns whether the associated window is enabled or not."""
 
         if not self._wnd:
-            raise "\nERROR: This Item Has No Window Associated"
+            raise Exception("\nERROR: This Item Has No Window Associated")
 
         return self._windowenabled
 
@@ -1330,7 +1330,7 @@ class GenericTreeItem:
         """Sets whether the associated window is enabled or not."""
 
         if not self._wnd:
-            raise "\nERROR: This Item Has No Window Associated"
+            raise Exception("\nERROR: This Item Has No Window Associated")
 
         self._windowenabled = enable
         self._wnd.Enable(enable)
@@ -1790,7 +1790,9 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         btnshadow = wx.SystemSettings_GetColour(wx.SYS_COLOUR_BTNSHADOW)
         self._hilightUnfocusedBrush = wx.Brush(btnshadow)
         r, g, b = btnshadow.Red(), btnshadow.Green(), btnshadow.Blue()
-        backcolour = ((r >> 1) - 20, (g >> 1) - 20, (b >> 1) - 20)
+        backcolour = (max((r >> 1) - 20, 0),
+                      max((g >> 1) - 20, 0),
+                      max((b >> 1) - 20, 0))
         backcolour = wx.Colour(backcolour[0], backcolour[1], backcolour[2])
         self._hilightUnfocusedBrush2 = wx.Brush(backcolour)
 
@@ -1993,7 +1995,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Toggles the item selection."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
         
         self.SelectItem(item, not self.IsSelected(item))
 
@@ -2023,7 +2025,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Enables/disables an item."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
         
         if item.IsEnabled() == enable:
             return
@@ -2054,7 +2056,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Returns whether an item is enabled or disabled."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
         
         return item.IsEnabled()        
 
@@ -2076,7 +2078,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Returns whether an item is checked or not."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "        
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         return item.IsChecked()
 
@@ -2123,7 +2125,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         # Should we raise an error here?!?        
         if item.GetType() == 0:
@@ -2173,7 +2175,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Transverses the tree and toggles the items. Meaningful only for check items."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
         
         child, cookie = self.GetFirstChild(item)
 
@@ -2193,7 +2195,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Transverses the tree and checks/unchecks the items. Meaningful only for check items."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
         
         (child, cookie) = self.GetFirstChild(item)
 
@@ -2213,7 +2215,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         Meaningful only for check items."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         parent = item.GetParent()
         if not parent or parent.GetType() != 1:
@@ -2234,7 +2236,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Programatically check/uncheck item children. Does not generate EVT_TREE_CHECK* events."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
         
         if checked == None:
             self.AutoToggleChild(item)
@@ -2270,7 +2272,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Starts editing an item label."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
         
         self.Edit(item)
 
@@ -2305,7 +2307,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Returns whether an item has children or not."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
         
         return len(item.GetChildren()) > 0
 
@@ -2314,7 +2316,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Gets the item children count."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         return item.GetChildrenCount(recursively)
 
@@ -2363,7 +2365,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Returns the item text."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         return item.GetText()
     
@@ -2372,7 +2374,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Returns the item image."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         return item.GetImage(which)
 
@@ -2381,7 +2383,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Returns the data associated to an item."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         return item.GetData()
 
@@ -2392,7 +2394,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Returns the item text colour."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         return item.Attr().GetTextColour()
 
@@ -2401,7 +2403,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Returns the item background colour."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         return item.Attr().GetBackgroundColour()
 
@@ -2410,7 +2412,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Returns the item font."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         return item.Attr().GetFont()
 
@@ -2419,7 +2421,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Returns whether an item is hypertext or not."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
         
         return item.IsHyperText()
 
@@ -2428,7 +2430,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Sets the item text."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         dc = wx.ClientDC(self)
         item.SetText(text)
@@ -2440,7 +2442,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Sets the item image, depending on the item state."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         item.SetImage(image, which)
 
@@ -2453,7 +2455,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Sets the data associated to an item."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         item.SetData(data)
 
@@ -2464,7 +2466,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Forces the appearance of the button next to the item."""
         
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         item.SetHasPlus(has)
         self.RefreshLine(item)
@@ -2474,7 +2476,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Sets the item font bold/unbold."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
         
         # avoid redrawing the tree if no real change
         if item.IsBold() != bold:
@@ -2486,7 +2488,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Sets the item font italic/non-italic."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         if item.IsItalic() != italic:
             itemFont = self.GetItemFont(item)
@@ -2508,7 +2510,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         if highlight:
             bg = wx.SystemSettings_GetColour(wx.SYS_COLOUR_HIGHLIGHT)
@@ -2523,7 +2525,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Sets the item text colour."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         if self.GetItemTextColour(item) == col:
             return
@@ -2536,7 +2538,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Sets the item background colour."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         item.Attr().SetBackgroundColour(col)
         self.RefreshLine(item)
@@ -2546,7 +2548,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Sets whether the item is hypertext or not."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "        
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         item.SetHyperText(hyper)
         self.RefreshLine(item)
@@ -2556,7 +2558,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Sets the item font."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         if self.GetItemFont(item) == font:
             return
@@ -2621,7 +2623,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Sets whether an hypertext item was visited."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
         
         item.SetVisited(visited)
         self.RefreshLine(item)
@@ -2631,7 +2633,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Returns whether an hypertext item was visited."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         return item.GetVisited()            
 
@@ -2803,7 +2805,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Returns the window associated to the item (if any)."""
 
         if not item:
-            raise "\nERROR: Invalid Item"
+            raise Exception("\nERROR: Invalid Item")
         
         return item.GetWindow()
 
@@ -2812,7 +2814,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Returns whether the window associated to the item is enabled."""
 
         if not item:
-            raise "\nERROR: Invalid Item"
+            raise Exception("\nERROR: Invalid Item")
         
         return item.GetWindowEnabled()
 
@@ -2821,7 +2823,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Enables/disables the window associated to the item."""
 
         if not item:
-            raise "\nERROR: Invalid Item"
+            raise Exception("\nERROR: Invalid Item")
         
         item.SetWindowEnabled(enable)
 
@@ -2835,7 +2837,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """
 
         if not item:
-            raise "\nERROR: Invalid Item"
+            raise Exception("\nERROR: Invalid Item")
         
         return item.GetType()
 
@@ -2847,7 +2849,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Returns whether the item is visible or not."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         # An item is only visible if it's not a descendant of a collapsed item
         parent = item.GetParent()
@@ -2880,7 +2882,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Returns whether the item has children or not."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         # consider that the item does have children if it has the "+" button: it
         # might not have them (if it had never been expanded yet) but then it
@@ -2894,7 +2896,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Returns whether the item is expanded or not."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         return item.IsExpanded()
 
@@ -2903,7 +2905,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Returns whether the item is selected or not."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         return item.IsSelected()
 
@@ -2912,7 +2914,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Returns whether the item font is bold or not."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         return item.IsBold()
 
@@ -2921,7 +2923,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Returns whether the item font is italic or not."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         return item.IsItalic()
 
@@ -2934,7 +2936,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Gets the item parent."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         return item.GetParent()
 
@@ -2943,7 +2945,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Gets the item first child."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         cookie = 0
         return self.GetNextChild(item, cookie)
@@ -2956,7 +2958,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         children = item.GetChildren()
 
@@ -2977,7 +2979,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Gets the item last child."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         children = item.GetChildren()
         return (len(children) == 0 and [None] or [children[-1]])[0]
@@ -2987,7 +2989,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Gets the next sibling of an item."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         i = item
         parent = i.GetParent()
@@ -3008,7 +3010,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Gets the previous sibling of an item."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         i = item
         parent = i.GetParent()
@@ -3028,7 +3030,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Gets the next item. Only for internal use right now."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         i = item
 
@@ -3066,7 +3068,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Returns the next visible item."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         id = item
 
@@ -3081,9 +3083,9 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
     def GetPrevVisible(self, item):
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
-        raise "\nERROR: Not Implemented"
+        raise Exception("\nERROR: Not Implemented")
 
         return None
 
@@ -3141,13 +3143,13 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Actually inserts an item in the tree."""
 
         if wnd is not None and not (self._windowStyle & TR_HAS_VARIABLE_ROW_HEIGHT):
-            raise "\nERROR: In Order To Append/Insert Controls You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT"
+            raise Exception("\nERROR: In Order To Append/Insert Controls You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT")
 
         if text.find("\n") >= 0 and not (self._windowStyle & TR_HAS_VARIABLE_ROW_HEIGHT):
-            raise "\nERROR: In Order To Append/Insert A MultiLine Text You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT"
+            raise Exception("\nERROR: In Order To Append/Insert A MultiLine Text You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT")
 
         if ct_type < 0 or ct_type > 2:
-            raise "\nERROR: Item Type Should Be 0 (Normal), 1 (CheckBox) or 2 (RadioButton). "
+            raise Exception("\nERROR: Item Type Should Be 0 (Normal), 1 (CheckBox) or 2 (RadioButton). ")
         
         parent = parentId
         
@@ -3173,16 +3175,16 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Adds a root to the CustomTreeCtrl. Only one root must exist."""
 
         if self._anchor:
-            raise "\nERROR: Tree Can Have Only One Root"
+            raise Exception("\nERROR: Tree Can Have Only One Root")
 
         if wnd is not None and not (self._windowStyle & TR_HAS_VARIABLE_ROW_HEIGHT):
-            raise "\nERROR: In Order To Append/Insert Controls You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT"
+            raise Exception("\nERROR: In Order To Append/Insert Controls You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT")
 
         if text.find("\n") >= 0 and not (self._windowStyle & TR_HAS_VARIABLE_ROW_HEIGHT):
-            raise "\nERROR: In Order To Append/Insert A MultiLine Text You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT"
+            raise Exception("\nERROR: In Order To Append/Insert A MultiLine Text You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT")
 
         if ct_type < 0 or ct_type > 2:
-            raise "\nERROR: Item Type Should Be 0 (Normal), 1 (CheckBox) or 2 (RadioButton). "
+            raise Exception("\nERROR: Item Type Should Be 0 (Normal), 1 (CheckBox) or 2 (RadioButton). ")
 
         self._dirty = True     # do this first so stuff below doesn't cause flicker
 
@@ -3212,10 +3214,10 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Appends an item as a first child of parent."""
 
         if wnd is not None and not (self._windowStyle & TR_HAS_VARIABLE_ROW_HEIGHT):
-            raise "\nERROR: In Order To Append/Insert Controls You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT"
+            raise Exception("\nERROR: In Order To Append/Insert Controls You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT")
 
         if text.find("\n") >= 0 and not (self._windowStyle & TR_HAS_VARIABLE_ROW_HEIGHT):
-            raise "\nERROR: In Order To Append/Insert A MultiLine Text You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT"
+            raise Exception("\nERROR: In Order To Append/Insert A MultiLine Text You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT")
         
         return self.DoInsertItem(parent, 0, text, ct_type, wnd, image, selImage, data)
 
@@ -3224,10 +3226,10 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Auxiliary function to cope with the C++ hideous multifunction."""
         
         if wnd is not None and not (self._windowStyle & TR_HAS_VARIABLE_ROW_HEIGHT):
-            raise "\nERROR: In Order To Append/Insert Controls You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT"
+            raise Exception("\nERROR: In Order To Append/Insert Controls You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT")
 
         if text.find("\n") >= 0 and not (self._windowStyle & TR_HAS_VARIABLE_ROW_HEIGHT):
-            raise "\nERROR: In Order To Append/Insert A MultiLine Text You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT"
+            raise Exception("\nERROR: In Order To Append/Insert A MultiLine Text You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT")
         
         parent = parentId
         
@@ -3241,7 +3243,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
             try:
                 index = parent.GetChildren().index(idPrevious)
             except:
-                raise "ERROR: Previous Item In CustomTreeCtrl.InsertItem() Is Not A Sibling"
+                raise Exception("ERROR: Previous Item In CustomTreeCtrl.InsertItem() Is Not A Sibling")
 
         return self.DoInsertItem(parentId, index+1, text, ct_type, wnd, image, selImage, data)
 
@@ -3250,10 +3252,10 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Auxiliary function to cope with the C++ hideous multifunction."""
 
         if wnd is not None and not (self._windowStyle & TR_HAS_VARIABLE_ROW_HEIGHT):
-            raise "\nERROR: In Order To Append/Insert Controls You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT"
+            raise Exception("\nERROR: In Order To Append/Insert Controls You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT")
 
         if text.find("\n") >= 0 and not (self._windowStyle & TR_HAS_VARIABLE_ROW_HEIGHT):
-            raise "\nERROR: In Order To Append/Insert A MultiLine Text You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT"
+            raise Exception("\nERROR: In Order To Append/Insert A MultiLine Text You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT")
         
         parent = parentId
         
@@ -3268,10 +3270,10 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Inserts an item after the given previous."""
 
         if wnd is not None and not (self._windowStyle & TR_HAS_VARIABLE_ROW_HEIGHT):
-            raise "\nERROR: In Order To Append/Insert Controls You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT"
+            raise Exception("\nERROR: In Order To Append/Insert Controls You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT")
 
         if text.find("\n") >= 0 and not (self._windowStyle & TR_HAS_VARIABLE_ROW_HEIGHT):
-            raise "\nERROR: In Order To Append/Insert A MultiLine Text You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT"
+            raise Exception("\nERROR: In Order To Append/Insert A MultiLine Text You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT")
         
         if type(input) == type(1):
             return self.InsertItemByIndex(parentId, input, text, ct_type, wnd, image, selImage, data)
@@ -3283,10 +3285,10 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Appends an item as a last child of its parent."""
 
         if wnd is not None and not (self._windowStyle & TR_HAS_VARIABLE_ROW_HEIGHT):
-            raise "\nERROR: In Order To Append/Insert Controls You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT"
+            raise Exception("\nERROR: In Order To Append/Insert Controls You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT")
 
         if text.find("\n") >= 0 and not (self._windowStyle & TR_HAS_VARIABLE_ROW_HEIGHT):
-            raise "\nERROR: In Order To Append/Insert A MultiLine Text You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT"
+            raise Exception("\nERROR: In Order To Append/Insert A MultiLine Text You Have To Use The Style TR_HAS_VARIABLE_ROW_HEIGHT")
         
         parent = parentId
         
@@ -3344,7 +3346,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Delete item children."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
         
         self._dirty = True     # do this first so stuff below doesn't cause flicker
 
@@ -3356,7 +3358,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Delete an item."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
         
         self._dirty = True     # do this first so stuff below doesn't cause flicker
 
@@ -3433,10 +3435,10 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
         
         if self.HasFlag(TR_HIDE_ROOT) and item == self.GetRootItem():
-             raise "\nERROR: Can't Expand An Hidden Root. "
+             raise Exception("\nERROR: Can't Expand An Hidden Root. ")
 
         if not item.HasPlus():
             return
@@ -3469,7 +3471,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Expands all the items."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
         
         if not self.HasFlag(TR_HIDE_ROOT) or item != self.GetRootItem():
             self.Expand(item)
@@ -3490,10 +3492,10 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
         
         if self.HasFlag(TR_HIDE_ROOT) and item == self.GetRootItem():
-             raise "\nERROR: Can't Collapse An Hidden Root. "
+             raise Exception("\nERROR: Can't Collapse An Hidden Root. ")
 
         if not item.IsExpanded():
             return
@@ -3644,7 +3646,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Actually selects/unselects an item, sending a EVT_TREE_SEL_CHANGED event."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         self._select_me = None
 
@@ -3725,7 +3727,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Selects/deselects an item."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
         
         if select:
         
@@ -3749,7 +3751,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         if item.IsSelected():
             array.append(item)
 
-        if item.HasChildren():    
+        if item.HasChildren() and item.IsExpanded():
             for child in item.GetChildren():
                 array = self.FillArray(child, array)
         
@@ -3776,7 +3778,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Ensure that an item is visible in CustomTreeCtrl."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         # first expand all parent branches
         parent = item.GetParent()
@@ -3860,7 +3862,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
 
         children = item.GetChildren()
         
@@ -4855,7 +4857,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
                         current = self.GetItemParent(current)
                         if current:
                             next = self.GetNextSibling(current)
-                            if not self.IsEnabled(next):
+                            if not next or not self.IsEnabled(next):
                                 next = None
 
                 else:
@@ -5025,7 +5027,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Gets the bounding rectangle of the item."""
 
         if not item:
-            raise "\nERROR: Invalid Tree Item. "
+            raise Exception("\nERROR: Invalid Tree Item. ")
     
         i = item
 
@@ -5130,7 +5132,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         underMouse = thisItem
         underMouseChanged = underMouse != self._underMouse
 
-        if underMouse and (flags & TREE_HITTEST_ONITEMBUTTON) and not event.LeftIsDown() and \
+        if underMouse and (flags & TREE_HITTEST_ONITEM) and not event.LeftIsDown() and \
            not self._isDragging and (not self._renameTimer or not self._renameTimer.IsRunning()):
             underMouse = underMouse
         else:
@@ -5663,7 +5665,7 @@ class CustomTreeCtrl(wx.PyScrolledWindow):
         """Thaw CustomTreeCtrl."""
 
         if self._freezeCount == 0:
-            raise "\nERROR: Thawing Unfrozen Tree Control?"
+            raise Exception("\nERROR: Thawing Unfrozen Tree Control?")
 
         self._freezeCount = self._freezeCount - 1