From e20d092ba01b38971990f6c9646b1d72458bcad6 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Tue, 7 Dec 2010 11:09:06 -0700
Subject: [PATCH] Adding books: Dont refresh the Tag Browser while adding
 multiple books. Should speed up the adding of large numbers of books.

---
 src/calibre/gui2/actions/add.py | 4 ++++
 src/calibre/gui2/tag_view.py    | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/src/calibre/gui2/actions/add.py b/src/calibre/gui2/actions/add.py
index 9b348d8285..014fa573d2 100644
--- a/src/calibre/gui2/actions/add.py
+++ b/src/calibre/gui2/actions/add.py
@@ -61,6 +61,7 @@ class AddAction(InterfaceAction):
         self._adder = Adder(self.gui,
                 self.gui.library_view.model().db,
                 self.Dispatcher(self._files_added), spare_server=self.gui.spare_server)
+        self.gui.tags_view.disable_recounting = True
         self._adder.add_recursive(root, single)
 
     def add_recursive_single(self, *args):
@@ -201,9 +202,11 @@ class AddAction(InterfaceAction):
         self._adder = Adder(self.gui,
                 None if to_device else self.gui.library_view.model().db,
                 self.Dispatcher(self.__adder_func), spare_server=self.gui.spare_server)
+        self.gui.tags_view.disable_recounting = True
         self._adder.add(paths)
 
     def _files_added(self, paths=[], names=[], infos=[], on_card=None):
+        self.gui.tags_view.disable_recounting = False
         if paths:
             self.gui.upload_books(paths,
                                 list(map(ascii_filename, names)),
@@ -214,6 +217,7 @@ class AddAction(InterfaceAction):
             self.gui.library_view.model().books_added(self._adder.number_of_books_added)
             if hasattr(self.gui, 'db_images'):
                 self.gui.db_images.reset()
+            self.gui.tags_view.recount()
         if getattr(self._adder, 'merged_books', False):
             books = u'\n'.join([x if isinstance(x, unicode) else
                     x.decode(preferred_encoding, 'replace') for x in
diff --git a/src/calibre/gui2/tag_view.py b/src/calibre/gui2/tag_view.py
index fdae1bdbc9..2ede698c85 100644
--- a/src/calibre/gui2/tag_view.py
+++ b/src/calibre/gui2/tag_view.py
@@ -73,6 +73,7 @@ class TagsView(QTreeView): # {{{
     def __init__(self, parent=None):
         QTreeView.__init__(self, parent=None)
         self.tag_match = None
+        self.disable_recounting = False
         self.setUniformRowHeights(True)
         self.setCursor(Qt.PointingHandCursor)
         self.setIconSize(QSize(30, 30))
@@ -299,6 +300,8 @@ class TagsView(QTreeView): # {{{
         return self.isExpanded(idx)
 
     def recount(self, *args):
+        if self.disable_recounting:
+            return
         self.refresh_signal_processed = True
         ci = self.currentIndex()
         if not ci.isValid():