From 37b6236b19bd42e73e9953ce479b20a56d7bd876 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 13 Nov 2014 16:14:12 +0530
Subject: [PATCH] Fix #1388651 [[Enhancement] change TOC Auto-Rename
 mask](https://bugs.launchpad.net/calibre/+bug/1388651)

---
 src/calibre/gui2/toc/main.py             | 7 ++++---
 src/calibre/gui2/tweak_book/file_list.py | 5 +++--
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/calibre/gui2/toc/main.py b/src/calibre/gui2/toc/main.py
index 0d361a3a0f..6f7ad7f82e 100644
--- a/src/calibre/gui2/toc/main.py
+++ b/src/calibre/gui2/toc/main.py
@@ -509,10 +509,11 @@ class TreeWidget(QTreeWidget):  # {{{
         from calibre.gui2.tweak_book.file_list import get_bulk_rename_settings
         sort_map = {item:i for i, item in enumerate(self.iteritems())}
         items = sorted(self.selectedItems(), key=lambda x:sort_map.get(x, -1))
-        fmt, num = get_bulk_rename_settings(self, len(items), msg=_(
+        fmt, num = get_bulk_rename_settings(self, len(items), prefix=_('Chapter '), msg=_(
             'All selected items will be renamed to the form prefix-number'), sanitize=lambda x:x, leading_zeros=False)
-        for i, item in enumerate(items):
-            item.setData(0, Qt.DisplayRole, fmt % (num + i))
+        if fmt is not None and num is not None:
+            for i, item in enumerate(items):
+                item.setData(0, Qt.DisplayRole, fmt % (num + i))
 
     def keyPressEvent(self, ev):
         if ev.key() == Qt.Key_Left and ev.modifiers() & Qt.CTRL:
diff --git a/src/calibre/gui2/tweak_book/file_list.py b/src/calibre/gui2/tweak_book/file_list.py
index dc4c47ea59..663ab51b3f 100644
--- a/src/calibre/gui2/tweak_book/file_list.py
+++ b/src/calibre/gui2/tweak_book/file_list.py
@@ -53,12 +53,13 @@ def name_is_ok(name, show_error):
     show_error('')
     return True
 
-def get_bulk_rename_settings(parent, number, msg=None, sanitize=sanitize_file_name_unicode, leading_zeros=True):  # {{{
+def get_bulk_rename_settings(parent, number, msg=None, sanitize=sanitize_file_name_unicode, leading_zeros=True, prefix=None):  # {{{
     d = QDialog(parent)
+    d.setWindowTitle(_('Bulk rename items'))
     d.l = l = QFormLayout(d)
     d.setLayout(l)
     d.prefix = p = QLineEdit(d)
-    p.setText(_('Chapter-'))
+    p.setText(prefix or _('Chapter-'))
     p.selectAll()
     d.la = la = QLabel(msg or _(
         'All selected files will be renamed to the form prefix-number'))