Fixes for database update signal handling for treemodel as used for the citation tree

- corrected handing of setting of the handle of a node to 'None' for a non-leaf (heading) node
  - only insert the citation leaf node if it is not already present.

svn: r18220

src/gui/views/treemodels/citationtreemodel.py

@@ -162,8 +162,9 @@ class CitationTreeModel(CitationBaseModel, TreeBaseModel):
             for j in i:
                 source_handle_list.append(j)
         for citation_handle in source_handle_list:
-#            # add as node: parent, child, sortkey, handle; parent and child are 
-#            # nodes in the treebasemodel, and will be used as iters
+            if self.get_node(citation_handle) is None:
+    #            # add as node: parent, child, sortkey, handle; parent and child are 
+    #            # nodes in the treebasemodel, and will be used as iters
                 citation = self.db.get_citation_from_handle(citation_handle)
                 citation_page = citation.get_page()
                 self.add_node(handle, citation_handle, citation_page, 

src/gui/views/treemodels/treebasemodel.py

@@ -99,7 +99,7 @@ class Node(object):
         """
         Assign the handle of a Gramps object to this node.
         """
-        if not self.handle:
+        if not self.handle or handle == None:
             self.handle = handle
             self.secondary = secondary
         else:
@@ -609,6 +609,7 @@ class TreeBaseModel(gtk.GenericTreeModel):
         Remove a node from the map.
         """
         if node.children:
+            del self.handle2node[node.handle]
             node.set_handle(None)
             self.__displayed -= 1
             self.__total -= 1
@@ -687,6 +688,8 @@ class TreeBaseModel(gtk.GenericTreeModel):
 
         _LOG.debug(self.__class__.__name__ + ' add_row_by_handle ' +
                     str(time.clock() - cput) + ' sec')
+        _LOG.debug("displayed %d / total: %d" % 
+                   (self.__displayed, self.__total))
 
     def delete_row_by_handle(self, handle):
         """
@@ -715,6 +718,8 @@ class TreeBaseModel(gtk.GenericTreeModel):
             
         _LOG.debug(self.__class__.__name__ + ' delete_row_by_handle ' +
                     str(time.clock() - cput) + ' sec')
+        _LOG.debug("displayed %d / total: %d" % 
+                   (self.__displayed, self.__total))
 
     def update_row_by_handle(self, handle):
         """

src/plugins/view/citationtreeview.py

@@ -31,6 +31,7 @@ A view showing all the Sources with child Citations
 #-------------------------------------------------------------------------
 import logging
 LOG = logging.getLogger(".citation")
+_LOG = logging.getLogger('.gui.citationtreeview')
 
 #-------------------------------------------------------------------------
 #
@@ -116,14 +117,14 @@ class CitationTreeView(ListView):
     def __init__(self, pdata, dbstate, uistate, nav_group=0):
         
         signal_map = {
-            'citation-add'     : self.row_add,
-            'citation-update'  : self.row_update,
-            'citation-delete'  : self.row_delete,
-            'citation-rebuild' : self.object_build,
-            'source-add'       : self.row_add,
-            'source-update'    : self.row_update,
-            'source-delete'    : self.row_delete,
-            'source-rebuild'   : self.object_build,
+            'citation-add'     : self._citation_row_add,
+            'citation-update'  : self._citation_row_update,
+            'citation-delete'  : self._citation_row_delete,
+            'citation-rebuild' : self._citation_object_build,
+            'source-add'       : self._source_row_add,
+            'source-update'    : self._source_row_update,
+            'source-delete'    : self._source_row_delete,
+            'source-rebuild'   : self._source_object_build,
             }
 
         ListView.__init__(
@@ -142,6 +143,52 @@ class CitationTreeView(ListView):
 
         self.additional_uis.append(self.additional_ui())
 
+    def _print_handles(self, text, handle_list):
+        for handle in handle_list:
+            source = self.dbstate.db.get_source_from_handle(handle)
+            citation = self.dbstate.db.get_citation_from_handle(handle)
+            _LOG.debug("\n\n\n")
+            if source:
+                _LOG.debug("---- %s -- source %s" % 
+                           (text, source.get_title()))
+            elif citation:
+                _LOG.debug("---- %s -- citation %s" % 
+                           (text, citation.get_page()))
+            else:
+                _LOG.debug("---- %s -- handle %s" % (text, handle))
+   
+    def _citation_row_add(self, handle_list):            
+        self._print_handles("citation row add", handle_list)
+        self.row_add(handle_list)
+    
+    def _citation_row_update(self, handle_list):            
+        self._print_handles("citation row update", handle_list)
+        self.row_update(handle_list)
+    
+    def _citation_row_delete(self, handle_list):            
+        self._print_handles("citation row delete", handle_list)
+        self.row_delete(handle_list)
+    
+    def _citation_object_build(self, *args):            
+        _LOG.debug("citation object build")
+        self.object_build(*args)
+    
+    def _source_row_add(self, handle_list):            
+        self._print_handles("source row add", handle_list)
+        self.row_add(handle_list)
+    
+    def _source_row_update(self, handle_list):            
+        self._print_handles("source row update", handle_list)
+        self.row_update(handle_list)
+    
+    def _source_row_delete(self, handle_list):            
+        self._print_handles("source row delete", handle_list)
+        self.row_delete(handle_list)
+    
+    def _source_object_build(self, *args):            
+        _LOG.debug("source object build")
+        self.object_build(*args)
+    
     def navigation_type(self):
         return 'Citation'