Prepare for device_collection editor

src/calibre/gui2/dialogs/tag_list_editor.py

@@ -11,7 +11,7 @@ from calibre.ebooks.metadata import title_sort
 
 class TagListEditor(QDialog, Ui_TagListEditor):
 
-    def __init__(self, window, db, tag_to_match, category):
+    def __init__(self, window, db, tag_to_match, category, data, compare):
         QDialog.__init__(self, window)
         Ui_TagListEditor.__init__(self)
         self.setupUi(self)

src/calibre/gui2/tag_view.py

@@ -15,6 +15,7 @@ from PyQt4.Qt import Qt, QTreeView, QApplication, pyqtSignal, \
                      QAbstractItemModel, QVariant, QModelIndex, QMenu, \
                      QPushButton, QWidget, QItemDelegate
 
+from calibre.ebooks.metadata import title_sort
 from calibre.gui2 import config, NONE
 from calibre.utils.config import prefs
 from calibre.library.field_metadata import TagsIcons
@@ -680,7 +681,27 @@ class TagBrowserMixin(object): # {{{
             self.tags_view.recount()
 
     def do_tags_list_edit(self, tag, category):
-        d = TagListEditor(self, self.library_view.model().db, tag, category)
+        db=self.library_view.model().db
+        if category == 'tags':
+            result = db.get_tags_with_ids()
+            compare = (lambda x,y:cmp(x.lower(), y.lower()))
+        elif category == 'series':
+            result = db.get_series_with_ids()
+            compare = (lambda x,y:cmp(title_sort(x).lower(), title_sort(y).lower()))
+        elif category == 'publisher':
+            result = db.get_publishers_with_ids()
+            compare = (lambda x,y:cmp(x.lower(), y.lower()))
+        else: # should be a custom field
+            self.cc_label = None
+            if category in db.field_metadata:
+                self.cc_label = db.field_metadata[category]['label']
+                result = self.db.get_custom_items_with_ids(label=self.cc_label)
+            else:
+                result = []
+            compare = (lambda x,y:cmp(x.lower(), y.lower()))
+
+        d = TagListEditor(self, db=db, tag_to_match=tag, category=category,
+                          data=result, compare=compare)
         d.exec_()
         if d.result() == d.Accepted:
             # Clean up everything, as information could have changed for many books.