* src/DisplayState.py (remove_item): Add code to adjust other

item's tracks after deleting an item; (move_item_down):
Recursively walk the items under a given item and lower the track
entry.


svn: r5603

gramps2/ChangeLog

@@ -1,3 +1,9 @@
+2005-12-21  Alex Roitman  <shura@gramps-project.org>
+	* src/DisplayState.py (remove_item): Add code to adjust other
+	item's tracks after deleting an item; (move_item_down):
+	Recursively walk the items under a given item and lower the track
+	entry.
+
 2005-12-21 Richard Taylor <rjt-gramps@thegrindstone.me.uk>
 	* src/EditSource.py: fixed small mistake in display_references
 

gramps2/src/DisplayState.py

@@ -242,10 +242,28 @@ class GrampsWindowManager:
         parent_item.pop(child_in_parent)
         # Adjust each item following the removed one
         # so that it's track is down by one on this level
-        # MISSING CODE HERE
+        for ix in range(child_in_parent,len(parent_item)):
+            item = parent_item[ix]
+            self.move_item_down(item,len(track)-1)
         # Rebuild menu
         self.build_windows_menu()
 
+    def move_item_down(self,item,index):
+        # This function calls children's move_item_down() method
+        # to subtract 1 from the children's track component given by index.
+        if type(item) == list:
+            # If this item is a branch
+            # move down the children except for the first one
+            for sub_item in item[1:]:
+                self.move_item_down(sub_item,index)
+            # return the first child
+            last_item = item[0]
+        else:
+            # This item is a leaf -- no children to move down
+            # return itself
+            last_item = item
+        last_item.track[index] -= 1
+
     def add_item(self,track,item):
         # if the item is identifiable then we need to remember
         # its id so that in the future we recall this window