From c724ec4f2f99b65c42c92ca179f3b1732e7a2e73 Mon Sep 17 00:00:00 2001
From: Starson17 <starson17@gmail.com>
Date: Sun, 18 Jul 2010 16:23:37 -0400
Subject: [PATCH] Local Update src

---
 src/calibre/gui2/actions.py | 45 +++++++++++++++++++++++++++++++++----
 1 file changed, 41 insertions(+), 4 deletions(-)

diff --git a/src/calibre/gui2/actions.py b/src/calibre/gui2/actions.py
index 9522083b98..91c85f7876 100644
--- a/src/calibre/gui2/actions.py
+++ b/src/calibre/gui2/actions.py
@@ -806,11 +806,11 @@ class EditMetadataAction(object): # {{{
         for src_id in src_ids:
             src_mi = db.get_metadata(src_id, index_is_id=True, get_cover=True)
             if src_mi.comments and orig_dest_comments != src_mi.comments:
-                if not dest_mi.comments or len(dest_mi.comments) == 0:
+                if not dest_mi.comments:
                     dest_mi.comments = src_mi.comments
                 else:
                     dest_mi.comments = unicode(dest_mi.comments) + u'\n\n' + unicode(src_mi.comments)
-            if src_mi.title and src_mi.title and (not dest_mi.title or
+            if src_mi.title and (not dest_mi.title or
                     dest_mi.title == _('Unknown')):
                 dest_mi.title = src_mi.title
             if src_mi.title and (not dest_mi.authors or dest_mi.authors[0] ==
@@ -821,8 +821,7 @@ class EditMetadataAction(object): # {{{
                 if not dest_mi.tags:
                     dest_mi.tags = src_mi.tags
                 else:
-                    for tag in src_mi.tags:
-                        dest_mi.tags.append(tag)
+                    dest_mi.tags.extend(src_mi.tags)
             if src_mi.cover and not dest_mi.cover:
                 dest_mi.cover = src_mi.cover
             if not dest_mi.publisher:
@@ -833,6 +832,44 @@ class EditMetadataAction(object): # {{{
                 dest_mi.series = src_mi.series
                 dest_mi.series_index = src_mi.series_index
         db.set_metadata(dest_id, dest_mi, ignore_errors=False)
+        
+        for key in db.field_metadata: #loop thru all defined fields
+          if db.field_metadata[key]['is_custom']:
+            colnum = db.field_metadata[key]['colnum']
+            # Get orig_dest_comments before it gets changed
+            if db.field_metadata[key]['datatype'] == 'comments':
+              orig_dest_value = db.get_custom(dest_id, num=colnum, index_is_id=True)
+            for src_id in src_ids:
+              dest_value = db.get_custom(dest_id, num=colnum, index_is_id=True)
+              src_value = db.get_custom(src_id, num=colnum, index_is_id=True)
+              if db.field_metadata[key]['datatype'] == 'comments':
+                if src_value and src_value != orig_dest_value:                         
+                  if not dest_value:                                                   
+                    db.set_custom(dest_id, src_value, num=colnum)                      
+                  else:                                                                
+                    dest_value = unicode(dest_value) + u'\n\n' + unicode(src_value)    
+                    db.set_custom(dest_id, dest_value, num=colnum)                     
+              if db.field_metadata[key]['datatype'] in \
+                ('bool', 'int', 'float', 'rating', 'datetime') \
+                and not dest_value:
+                db.set_custom(dest_id, src_value, num=colnum)
+              if db.field_metadata[key]['datatype'] == 'series' \
+                and not dest_value:
+                if src_value:
+                  src_index = db.get_custom_extra(src_id, num=colnum, index_is_id=True)
+                  db.set_custom(dest_id, src_value, num=colnum, extra=src_index)
+              if db.field_metadata[key]['datatype'] == 'text' \
+                and not db.field_metadata[key]['is_multiple'] \
+                and not dest_value:
+                db.set_custom(dest_id, src_value, num=colnum)
+              if db.field_metadata[key]['datatype'] == 'text' \
+                and db.field_metadata[key]['is_multiple']: 
+                if src_value:
+                  if not dest_value:
+                    dest_value = src_value
+                  else:
+                    dest_value.extend(src_value)
+                  db.set_custom(dest_id, dest_value, num=colnum)
         # }}}
 
     def edit_device_collections(self, view, oncard=None):