From f6404d19d856b35085a3f337eb303872bd5d638c Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Wed, 19 Jan 2011 22:29:11 -0700
Subject: [PATCH 01/14] More work on the new metadata dialog

---
 src/calibre/gui2/metadata/single.py | 194 +++++++++++++++++++++++++++-
 1 file changed, 187 insertions(+), 7 deletions(-)

diff --git a/src/calibre/gui2/metadata/single.py b/src/calibre/gui2/metadata/single.py
index eff6f97e7d..be4170b43f 100644
--- a/src/calibre/gui2/metadata/single.py
+++ b/src/calibre/gui2/metadata/single.py
@@ -5,19 +5,26 @@ __license__   = 'GPL v3'
 __copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'
 __docformat__ = 'restructuredtext en'
 
-import textwrap, re
+import textwrap, re, os
 
 from PyQt4.Qt import QDialogButtonBox, Qt, QTabWidget, QScrollArea, \
     QVBoxLayout, QIcon, QToolButton, QWidget, QLabel, QGridLayout, \
-    QDoubleSpinBox
+    QDoubleSpinBox, QListWidgetItem, QSize, pyqtSignal
 
-from calibre.gui2 import ResizableDialog
+from calibre.gui2 import ResizableDialog, file_icon_provider, \
+        choose_files, error_dialog
 from calibre.utils.icu import sort_key
 from calibre.utils.config import tweaks
 from calibre.gui2.widgets import EnLineEdit, CompleteComboBox, \
-        EnComboBox
+        EnComboBox, FormatList
 from calibre.ebooks.metadata import title_sort, authors_to_string, \
         string_to_authors
+from calibre.utils.date import local_tz
+from calibre import strftime
+from calibre.ebooks import BOOK_EXTENSIONS
+from calibre.customize.ui import run_plugins_on_import
+from calibre.utils.date import utcfromtimestamp
+
 
 '''
 The interface common to all widgets used to set basic metadata
@@ -385,15 +392,181 @@ class SeriesIndexEdit(QDoubleSpinBox):
 
 # }}}
 
-class BuddyLabel(QLabel):
+class BuddyLabel(QLabel): # {{{
 
     def __init__(self, buddy):
         QLabel.__init__(self, buddy.LABEL)
         self.setBuddy(buddy)
         self.setAlignment(Qt.AlignRight|Qt.AlignVCenter)
+# }}}
+
+class Format(QListWidgetItem): # {{{
+
+    def __init__(self, parent, ext, size, path=None, timestamp=None):
+        self.path = path
+        self.ext = ext
+        self.size = float(size)/(1024*1024)
+        text = '%s (%.2f MB)'%(self.ext.upper(), self.size)
+        QListWidgetItem.__init__(self, file_icon_provider().icon_from_ext(ext),
+                                 text, parent, QListWidgetItem.UserType)
+        if timestamp is not None:
+            ts = timestamp.astimezone(local_tz)
+            t = strftime('%a, %d %b %Y [%H:%M:%S]', ts.timetuple())
+            text = _('Last modified: %s')%t
+            self.setToolTip(text)
+            self.setStatusTip(text)
+
+# }}}
+
+class FormatsManager(QWidget): # {{{
+
+    def __init__(self, parent):
+        QWidget.__init__(self, parent)
+        self.dialog = parent
+        self.changed = False
+
+        self.l = l = QGridLayout()
+        self.setLayout(l)
+        self.cover_from_format_button = QToolButton(self)
+        self.cover_from_format_button.setToolTip(
+                _('Set the cover for the book from the selected format'))
+        self.cover_from_format_button.setIcon(QIcon(I('book.png')))
+        self.cover_from_format_button.setIconSize(QSize(32, 32))
+
+        self.metadata_from_format_button = QToolButton(self)
+        self.metadata_from_format_button.setIcon(QIcon(I('edit_input.png')))
+        self.metadata_from_format_button.setIconSize(QSize(32, 32))
+        # TODO: Implement the *_from_format buttons
+
+        self.add_format_button = QToolButton(self)
+        self.add_format_button.setIcon(QIcon(I('add_book.png')))
+        self.add_format_button.setIconSize(QSize(32, 32))
+        self.add_format_button.clicked.connect(self.add_format)
+
+        self.remove_format_button = QToolButton(self)
+        self.remove_format_button.setIcon(QIcon(I('trash.png')))
+        self.remove_format_button.setIconSize(QSize(32, 32))
+        self.remove_format_button.clicked.connect(self.remove_format)
+
+        self.formats = FormatList(self)
+        self.formats.setAcceptDrops(True)
+        self.formats.formats_dropped.connect(self.formats_dropped)
+        self.formats.delete_format.connect(self.remove_format)
+        self.formats.itemDoubleClicked.connect(self.show_format)
+        self.formats.setDragDropMode(self.formats.DropOnly)
+        self.formats.setIconSize(QSize(32, 32))
+        self.formats.setMaximumWidth(200)
+
+        l.addWidget(self.cover_from_format_button,    0, 0, 1, 1)
+        l.addWidget(self.metadata_from_format_button, 2, 0, 1, 1)
+        l.addWidget(self.add_format_button,           0, 2, 1, 1)
+        l.addWidget(self.remove_format_button,        2, 2, 1, 1)
+        l.addWidget(self.formats,                     0, 1, 3, 1)
+
+
+
+    def initialize(self, db, id_):
+        self.changed = False
+        exts = db.formats(id_, index_is_id=True)
+        if exts:
+            exts = exts.split(',')
+            for ext in exts:
+                if not ext:
+                    ext = ''
+                size = db.sizeof_format(id_, ext, index_is_id=True)
+                timestamp = db.format_last_modified(id_, ext)
+                if size is None:
+                    continue
+                Format(self.formats, ext, size, timestamp=timestamp)
+
+    def commit(self, db, id_):
+        if not self.changed:
+            return True
+        old_extensions, new_extensions, paths = set(), set(), {}
+        for row in range(self.formats.count()):
+            fmt = self.formats.item(row)
+            ext, path = fmt.ext.lower(), fmt.path
+            if 'unknown' in ext.lower():
+                ext = None
+            if path:
+                new_extensions.add(ext)
+                paths[ext] = path
+            else:
+                old_extensions.add(ext)
+        for ext in new_extensions:
+            db.add_format(id_, ext, open(paths[ext], 'rb'), notify=False,
+                    index_is_id=True)
+        db_extensions = set([f.lower() for f in db.formats(id_,
+            index_is_id=True).split(',')])
+        extensions = new_extensions.union(old_extensions)
+        for ext in db_extensions:
+            if ext not in extensions:
+                db.remove_format(id_, ext, notify=False, index_is_id=True)
+
+        self.changed = False
+        return True
+
+    def add_format(self, *args):
+        files = choose_files(self, 'add formats dialog',
+                             _("Choose formats for ") +
+                             self.dialog.title.current_val,
+                             [(_('Books'), BOOK_EXTENSIONS)])
+        self._add_formats(files)
+
+    def _add_formats(self, paths):
+        added = False
+        if not paths:
+            return added
+        bad_perms = []
+        for _file in paths:
+            _file = os.path.abspath(_file)
+            if not os.access(_file, os.R_OK):
+                bad_perms.append(_file)
+                continue
+
+            nfile = run_plugins_on_import(_file)
+            if nfile is not None:
+                _file = nfile
+            stat = os.stat(_file)
+            size = stat.st_size
+            ext = os.path.splitext(_file)[1].lower().replace('.', '')
+            timestamp = utcfromtimestamp(stat.st_mtime)
+            for row in range(self.formats.count()):
+                fmt = self.formats.item(row)
+                if fmt.ext.lower() == ext:
+                    self.formats.takeItem(row)
+                    break
+            Format(self.formats, ext, size, path=_file, timestamp=timestamp)
+            self.changed = True
+            added = True
+        if bad_perms:
+            error_dialog(self, _('No permission'),
+                    _('You do not have '
+                'permission to read the following files:'),
+                det_msg='\n'.join(bad_perms), show=True)
+
+        return added
+
+    def formats_dropped(self, event, paths):
+        if self._add_formats(paths):
+            event.accept()
+
+    def remove_format(self, *args):
+        rows = self.formats.selectionModel().selectedRows(0)
+        for row in rows:
+            self.formats.takeItem(row.row())
+            self.changed = True
+
+    def show_format(self, item, *args):
+        fmt = item.ext
+        self.dialog.view_format.emit(fmt)
+
+# }}}
 
 class MetadataSingleDialog(ResizableDialog):
 
+    view_format = pyqtSignal(object)
+
     def __init__(self, db, parent=None):
         self.db = db
         ResizableDialog.__init__(self, parent)
@@ -427,7 +600,7 @@ class MetadataSingleDialog(ResizableDialog):
         self.do_layout()
     # }}}
 
-    def create_basic_metadata_widgets(self):
+    def create_basic_metadata_widgets(self): # {{{
         self.basic_metadata_widgets = []
         # Title
         self.title = TitleEdit(self)
@@ -468,7 +641,12 @@ class MetadataSingleDialog(ResizableDialog):
         self.series_index = SeriesIndexEdit(self, self.series)
         self.basic_metadata_widgets.extend([self.series, self.series_index])
 
-    def do_layout(self):
+        self.formats_manager = FormatsManager(self)
+        self.basic_metadata_widgets.append(self.formats_manager)
+
+    # }}}
+
+    def do_layout(self): # {{{
         self.central_widget.clear()
         self.tabs = []
         self.labels = []
@@ -499,6 +677,8 @@ class MetadataSingleDialog(ResizableDialog):
         create_row(2, self.series, self.remove_unused_series_button,
                 self.series_index, icon='trash.png')
 
+        tl.addWidget(self.formats_manager, 0, 6, 3, 1)
+    # }}}
 
     def __call__(self, id_, has_next=False, has_previous=False):
         self.book_id = id_

From 2216de65f07d11a02cbfab0f6c461d7d13427de8 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 20 Jan 2011 00:40:36 -0700
Subject: [PATCH 02/14] ...

---
 src/calibre/gui2/metadata/single.py | 74 ++++++++++++++++++++++++++++-
 src/calibre/gui2/widgets.py         |  6 +--
 2 files changed, 75 insertions(+), 5 deletions(-)

diff --git a/src/calibre/gui2/metadata/single.py b/src/calibre/gui2/metadata/single.py
index be4170b43f..b9fae51789 100644
--- a/src/calibre/gui2/metadata/single.py
+++ b/src/calibre/gui2/metadata/single.py
@@ -9,14 +9,15 @@ import textwrap, re, os
 
 from PyQt4.Qt import QDialogButtonBox, Qt, QTabWidget, QScrollArea, \
     QVBoxLayout, QIcon, QToolButton, QWidget, QLabel, QGridLayout, \
-    QDoubleSpinBox, QListWidgetItem, QSize, pyqtSignal
+    QDoubleSpinBox, QListWidgetItem, QSize, pyqtSignal, QPixmap, \
+    QSplitter
 
 from calibre.gui2 import ResizableDialog, file_icon_provider, \
         choose_files, error_dialog
 from calibre.utils.icu import sort_key
 from calibre.utils.config import tweaks
 from calibre.gui2.widgets import EnLineEdit, CompleteComboBox, \
-        EnComboBox, FormatList
+        EnComboBox, FormatList, ImageView
 from calibre.ebooks.metadata import title_sort, authors_to_string, \
         string_to_authors
 from calibre.utils.date import local_tz
@@ -40,6 +41,7 @@ class BasicMetadataWidget(object):
 
     @dynamic_property
     def current_val(self):
+        # Present in most but not all basic metadata widgets
         def fget(self):
             return None
         def fset(self, val):
@@ -563,6 +565,66 @@ class FormatsManager(QWidget): # {{{
 
 # }}}
 
+class Cover(ImageView):
+
+    def __init__(self, parent):
+        ImageView.__init__(self, parent)
+        self._cdata = None
+        self.cover_changed.connect(self.set_pixmap_from_data)
+
+    def set_pixmap_from_data(self, data):
+        if not data:
+            self.current_val = None
+            return
+        orig = self.current_val
+        self.current_val = data
+        if self.current_val is None:
+            error_dialog(self, _('Invalid cover'),
+                    _('Could not change cover as the image is invalid.'),
+                    show=True)
+            self.current_val = orig
+
+    def initialize(self, db, id_):
+        self._cdata = None
+        self.current_val = db.cover(id_, index_is_id=True)
+        self.original_val = self.current_val
+
+    @property
+    def changed(self):
+        return self.current_val != self.original_val
+
+    @dynamic_property
+    def current_val(self):
+        def fget(self):
+            return self._cdata
+        def fset(self, cdata):
+            self._cdata = None
+            pm = QPixmap()
+            if cdata:
+                pm.loadFromData(cdata)
+            if pm.isNull():
+                pm = QPixmap(I('default_cover.png'))
+            else:
+                self._cdata = cdata
+            self.setPixmap(pm)
+            tt = _('This book has no cover')
+            if self._cdata:
+                tt = _('Cover size: %dx%d pixels') % \
+                (pm.width(), pm.height())
+            self.setToolTip(tt)
+
+        return property(fget=fget, fset=fset)
+
+    def commit(self, db, id_):
+        if self.changed:
+            if self.current_val:
+                db.set_cover(id_, self.current_val, notify=False, commit=False)
+            else:
+                db.remove_cover(id_, notify=False, commit=False)
+        return True
+
+
+
 class MetadataSingleDialog(ResizableDialog):
 
     view_format = pyqtSignal(object)
@@ -644,6 +706,9 @@ class MetadataSingleDialog(ResizableDialog):
         self.formats_manager = FormatsManager(self)
         self.basic_metadata_widgets.append(self.formats_manager)
 
+        self.cover = Cover(self)
+        self.basic_metadata_widgets.append(self.cover)
+
     # }}}
 
     def do_layout(self): # {{{
@@ -678,9 +743,14 @@ class MetadataSingleDialog(ResizableDialog):
                 self.series_index, icon='trash.png')
 
         tl.addWidget(self.formats_manager, 0, 6, 3, 1)
+
+        self.splitter = QSplitter(Qt.Horizontal, self)
+        self.splitter.addWidget(self.cover)
+        l.addWidget(self.splitter)
     # }}}
 
     def __call__(self, id_, has_next=False, has_previous=False):
+        # TODO: Next and previous buttons
         self.book_id = id_
         for widget in self.basic_metadata_widgets:
             widget.initialize(self.db, id_)
diff --git a/src/calibre/gui2/widgets.py b/src/calibre/gui2/widgets.py
index fc21d9a3b3..9e117822e4 100644
--- a/src/calibre/gui2/widgets.py
+++ b/src/calibre/gui2/widgets.py
@@ -163,6 +163,7 @@ class FormatList(QListWidget):
 class ImageView(QWidget):
 
     BORDER_WIDTH = 1
+    cover_changed = pyqtSignal(object)
 
     def __init__(self, parent=None):
         QWidget.__init__(self, parent)
@@ -202,8 +203,7 @@ class ImageView(QWidget):
             if not pmap.isNull():
                 self.setPixmap(pmap)
                 event.accept()
-                self.emit(SIGNAL('cover_changed(PyQt_PyObject)'), open(path,
-                    'rb').read())
+                self.cover_changed.emit(open(path, 'rb').read())
                 break
 
     def dragMoveEvent(self, event):
@@ -272,7 +272,7 @@ class ImageView(QWidget):
             pmap = cb.pixmap(cb.Selection)
         if not pmap.isNull():
             self.setPixmap(pmap)
-            self.emit(SIGNAL('cover_changed(PyQt_PyObject)'),
+            self.cover_changed.emit(
                     pixmap_to_data(pmap))
     # }}}
 

From 6942bf950c88fe17f61f60cf355103d221e9cfae Mon Sep 17 00:00:00 2001
From: GRiker <griker@hotmail.com>
Date: Thu, 20 Jan 2011 07:03:19 -0700
Subject: [PATCH 03/14] GwR bug fixes for single-section MOBI output

---
 src/calibre/library/catalog.py | 88 ++++++++++++++++++----------------
 1 file changed, 48 insertions(+), 40 deletions(-)

diff --git a/src/calibre/library/catalog.py b/src/calibre/library/catalog.py
index b52e3785bd..95e738dd58 100644
--- a/src/calibre/library/catalog.py
+++ b/src/calibre/library/catalog.py
@@ -580,7 +580,7 @@ class EPUB_MOBI(CatalogPlugin):
                            "pipeline to the specified "
                            "directory. Useful if you are unsure at which stage "
                            "of the conversion process a bug is occurring.\n"
-                           "Default: '%default'None\n"
+                           "Default: '%default'\n"
                            "Applies to: ePub, MOBI output formats")),
                    Option('--exclude-book-marker',
                           default=':',
@@ -1370,7 +1370,9 @@ class EPUB_MOBI(CatalogPlugin):
                 self.generateHTMLByTags()
                 # If this is the only Section, and there are no genres, bail
                 if self.opts.section_list == ['Genres'] and not self.genres:
-                    error_msg = _("No Genres found to catalog.\nCheck 'Excluded genres'\nin E-book options.\n")
+                    error_msg = _("No enabled genres found to catalog.\n")
+                    if not self.opts.cli_environment:
+                        error_msg += "Check 'Excluded genres'\nin E-book options.\n"
                     self.opts.log.error(error_msg)
                     self.error.append(_('No books available to catalog'))
                     self.error.append(error_msg)
@@ -2792,14 +2794,16 @@ then rebuild the catalog.\n''').format(author[0],author[1],current_author[1])
                             genre_list.append(tag_list)
 
             if self.opts.verbose:
-                self.opts.log.info("     Genre summary: %d active genre tags used in generating catalog with %d titles" %
+                if len(genre_list):
+                    self.opts.log.info("     Genre summary: %d active genre tags used in generating catalog with %d titles" %
                                     (len(genre_list), len(self.booksByTitle)))
 
-                for genre in genre_list:
-                    for key in genre:
-                        self.opts.log.info("      %s: %d %s" % (self.getFriendlyGenreTag(key),
-                                           len(genre[key]),
-                                           'titles' if len(genre[key]) > 1 else 'title'))
+                    for genre in genre_list:
+                        for key in genre:
+                            self.opts.log.info("      %s: %d %s" % (self.getFriendlyGenreTag(key),
+                                               len(genre[key]),
+                                               'titles' if len(genre[key]) > 1 else 'title'))
+
 
             # Write the results
             # genre_list = [ {friendly_tag:[{book},{book}]}, {friendly_tag:[{book},{book}]}, ...]
@@ -3105,13 +3109,15 @@ then rebuild the catalog.\n''').format(author[0],author[1],current_author[1])
                 navPointTag.insert(1, contentTag)
             elif self.opts.generate_genres:
                 contentTag = Tag(soup, 'content')
-                contentTag['src'] = "content/ByGenres.html"
+                #contentTag['src'] = "content/ByGenres.html"
+                contentTag['src'] = "%s" % self.genres[0]['file']
                 navPointTag.insert(1, contentTag)
             elif self.opts.generate_recently_added:
                 contentTag = Tag(soup, 'content')
                 contentTag['src'] = "content/ByDateAdded.html"
                 navPointTag.insert(1, contentTag)
             else:
+                # Descriptions only
                 sort_descriptions_by = self.booksByAuthor if self.opts.sort_descriptions_by_author \
                                                           else self.booksByTitle
                 contentTag = Tag(soup, 'content')
@@ -3125,7 +3131,6 @@ then rebuild the catalog.\n''').format(author[0],author[1],current_author[1])
             navMapTag.insert(0,navPointTag)
 
             ncx.insert(0,navMapTag)
-
             self.ncxSoup = soup
 
         def generateNCXDescriptions(self, tocTitle):
@@ -3911,7 +3916,6 @@ then rebuild the catalog.\n''').format(author[0],author[1],current_author[1])
             # Add this section to the body
             body.insert(btc, navPointTag)
             btc += 1
-
             self.ncxSoup = ncx_soup
 
         def writeNCX(self):
@@ -4055,12 +4059,34 @@ then rebuild the catalog.\n''').format(author[0],author[1],current_author[1])
             # Remove the special marker tags from the database's tag list,
             # return sorted list of normalized genre tags
 
+            def format_tag_list(tags, indent=5, line_break=70, header='Tag list'):
+                def next_tag(sorted_tags):
+                    for (i, tag) in enumerate(sorted_tags):
+                        if i < len(tags) - 1:
+                            yield tag + ", "
+                        else:
+                            yield tag
+
+                ans = '%s%d %s:\n' %  (' ' * indent, len(tags), header)
+                ans += ' ' * (indent + 1)
+                out_str = ''
+                sorted_tags = sorted(tags)
+                for tag in next_tag(sorted_tags):
+                    out_str += tag
+                    if len(out_str) >= line_break:
+                        ans += out_str + '\n'
+                        out_str = ' ' * (indent + 1)
+                return ans + out_str
+
             normalized_tags = []
             friendly_tags = []
+            excluded_tags = []
             for tag in tags:
-                if tag[0] in self.markerTags:
+                if tag in self.markerTags:
+                    excluded_tags.append(tag)
                     continue
                 if re.search(self.opts.exclude_genre, tag):
+                    excluded_tags.append(tag)
                     continue
                 if tag == ' ':
                     continue
@@ -4079,32 +4105,8 @@ then rebuild the catalog.\n''').format(author[0],author[1],current_author[1])
                         if genre_tags_dict[key] == normalized:
                             self.opts.log.warn("       %s" % key)
             if self.verbose:
-                def next_tag(tags):
-                    for (i, tag) in enumerate(tags):
-                        if i < len(tags) - 1:
-                            yield tag + ", "
-                        else:
-                            yield tag
-
-                self.opts.log.info(u'     %d genre tags in database (excluding genres matching %s):' % \
-                                     (len(genre_tags_dict), self.opts.exclude_genre))
-
-                # Display friendly/normalized genres
-                # friendly => normalized
-                if False:
-                    sorted_tags = ['%s => %s' % (key, genre_tags_dict[key]) for key in sorted(genre_tags_dict.keys())]
-                    for tag in next_tag(sorted_tags):
-                        self.opts.log(u'      %s' % tag)
-                else:
-                    sorted_tags = ['%s' % (key) for key in sorted(genre_tags_dict.keys())]
-                    out_str = ''
-                    line_break = 70
-                    for tag in next_tag(sorted_tags):
-                        out_str += tag
-                        if len(out_str) >= line_break:
-                            self.opts.log.info('      %s' % out_str)
-                            out_str = ''
-                    self.opts.log.info('      %s' % out_str)
+                self.opts.log.info('%s' % format_tag_list(genre_tags_dict, header="enabled genre tags in database"))
+                self.opts.log.info('%s' % format_tag_list(excluded_tags, header="excluded genre tags"))
 
             return genre_tags_dict
 
@@ -4969,7 +4971,13 @@ then rebuild the catalog.\n''').format(author[0],author[1],current_author[1])
             else:
                 opts.log.warn('\n*** No enabled Sections, terminating catalog generation ***')
                 return ["No Included Sections","No enabled Sections.\nCheck E-book options tab\n'Included sections'\n"]
-        build_log.append(u" Sections: %s" % ', '.join(sections_list))
+        if opts.fmt == 'mobi' and sections_list == ['Descriptions']:
+                warning = _("\n*** Adding 'By Authors' Section required for MOBI output ***")
+                opts.log.warn(warning)
+                sections_list.insert(0,'Authors')
+                opts.generate_authors = True
+
+        opts.log(u" Sections: %s" % ', '.join(sections_list))
         opts.section_list = sections_list
 
         # Limit thumb_width to 1.0" - 2.0"
@@ -5017,7 +5025,7 @@ then rebuild the catalog.\n''').format(author[0],author[1],current_author[1])
             if catalog_source_built:
                 log.info(" Completed catalog source generation\n")
             else:
-                log.warn(" *** Errors during catalog generation, check log for details ***")
+                log.error(" *** Terminated catalog generation, check log for details ***")
 
         if catalog_source_built:
             recommendations = []

From 9f133b37ccf098b4ddb79e17ca04d1311f175526 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 20 Jan 2011 09:05:48 -0700
Subject: [PATCH 04/14] ...

---
 src/calibre/gui2/ui.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/calibre/gui2/ui.py b/src/calibre/gui2/ui.py
index 6c6e41e0a5..c6d069cc86 100644
--- a/src/calibre/gui2/ui.py
+++ b/src/calibre/gui2/ui.py
@@ -449,7 +449,7 @@ class Main(MainWindow, MainWindowMixin, DeviceMixin, EmailMixin, # {{{
 
 
     def set_window_title(self):
-        self.setWindowTitle(__appname__ + u' - ||%s||'%self.iactions['Choose Library'].library_name())
+        self.setWindowTitle(__appname__ + u' - || %s ||'%self.iactions['Choose Library'].library_name())
 
     def location_selected(self, location):
         '''

From ad521ab6d3a5cdfc78118151244b6107d870b360 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 20 Jan 2011 09:55:36 -0700
Subject: [PATCH 05/14] cover manip controls

---
 src/calibre/gui2/metadata/single.py | 108 +++++++++++++++++++++++++++-
 1 file changed, 106 insertions(+), 2 deletions(-)

diff --git a/src/calibre/gui2/metadata/single.py b/src/calibre/gui2/metadata/single.py
index b9fae51789..1575702918 100644
--- a/src/calibre/gui2/metadata/single.py
+++ b/src/calibre/gui2/metadata/single.py
@@ -10,10 +10,10 @@ import textwrap, re, os
 from PyQt4.Qt import QDialogButtonBox, Qt, QTabWidget, QScrollArea, \
     QVBoxLayout, QIcon, QToolButton, QWidget, QLabel, QGridLayout, \
     QDoubleSpinBox, QListWidgetItem, QSize, pyqtSignal, QPixmap, \
-    QSplitter
+    QSplitter, QPushButton, QGroupBox, QHBoxLayout
 
 from calibre.gui2 import ResizableDialog, file_icon_provider, \
-        choose_files, error_dialog
+        choose_files, error_dialog, choose_images
 from calibre.utils.icu import sort_key
 from calibre.utils.config import tweaks
 from calibre.gui2.widgets import EnLineEdit, CompleteComboBox, \
@@ -569,9 +569,99 @@ class Cover(ImageView):
 
     def __init__(self, parent):
         ImageView.__init__(self, parent)
+        self.dialog = parent
         self._cdata = None
         self.cover_changed.connect(self.set_pixmap_from_data)
 
+        self.select_cover_button = QPushButton(QIcon(I('document_open.png')),
+                _('&Browse'), parent)
+        self.trim_cover_button = QPushButton(QIcon(I('trim.png')),
+                _('T&rim'), parent)
+        self.remove_cover_button = QPushButton(QIcon(I('trash.png')),
+            _('&Remove'), parent)
+
+        self.select_cover_button.clicked.connect(self.select_cover)
+        self.remove_cover_button.clicked.connect(self.remove_cover)
+        self.trim_cover_button.clicked.connect(self.trim_cover)
+
+        self.download_cover_button = QPushButton(_('Download co&ver'), parent)
+        self.generate_cover_button = QPushButton(_('&Generate cover'), parent)
+
+        self.download_cover_button.clicked.connect(self.download_cover)
+        self.generate_cover_button.clicked.connect(self.generate_cover)
+
+        self.buttons = [self.select_cover_button, self.remove_cover_button,
+                self.trim_cover_button, self.download_cover_button,
+                self.generate_cover_button]
+
+    def select_cover(self, *args):
+        files = choose_images(self, 'change cover dialog',
+                             _('Choose cover for ') +
+                             self.dialog.title.current_val)
+        if not files:
+            return
+        _file = files[0]
+        if _file:
+            _file = os.path.abspath(_file)
+            if not os.access(_file, os.R_OK):
+                d = error_dialog(self, _('Cannot read'),
+                        _('You do not have permission to read the file: ') + _file)
+                d.exec_()
+                return
+            cf, cover = None, None
+            try:
+                cf = open(_file, "rb")
+                cover = cf.read()
+            except IOError, e:
+                d = error_dialog(self, _('Error reading file'),
+                        _("<p>There was an error reading from file: <br /><b>")
+                        + _file + "</b></p><br />"+str(e))
+                d.exec_()
+            if cover:
+                orig = self.current_val
+                self.current_val = cover
+                if self.current_val is None:
+                    self.current_val = orig
+                    error_dialog(self,
+                        _("Not a valid picture"),
+                            _file + _(" is not a valid picture"), show=True)
+
+    def remove_cover(self, *args):
+        self.current_val = None
+
+    def trim_cover(self, *args):
+        from calibre.utils.magick import Image
+        cdata = self.current_val
+        if not cdata:
+            return
+        im = Image()
+        im.load(cdata)
+        im.trim(10)
+        cdata = im.export('png')
+        self.current_val = cdata
+
+    def download_cover(self, *args):
+        pass # TODO: Implement this
+
+    def generate_cover(self, *args):
+        from calibre.ebooks import calibre_cover
+        from calibre.ebooks.metadata import fmt_sidx
+        from calibre.gui2 import config
+        title = self.dialog.title.current_val
+        author = authors_to_string(self.dialog.authors.current_val)
+        if not title or not author:
+            return error_dialog(self, _('Specify title and author'),
+                    _('You must specify a title and author before generating '
+                        'a cover'), show=True)
+        series = self.dialog.series.current_val
+        series_string = None
+        if series:
+            series_string = _('Book %s of %s')%(
+                    fmt_sidx(self.dialog.series_index.current_val,
+                    use_roman=config['use_roman_numerals_for_series_number']), series)
+        self.current_val = calibre_cover(title, author,
+                series_string=series_string)
+
     def set_pixmap_from_data(self, data):
         if not data:
             self.current_val = None
@@ -747,6 +837,20 @@ class MetadataSingleDialog(ResizableDialog):
         self.splitter = QSplitter(Qt.Horizontal, self)
         self.splitter.addWidget(self.cover)
         l.addWidget(self.splitter)
+        self.tabs[0].gb = gb = QGroupBox(_('Change cover'), self)
+        gb.l = l = QGridLayout()
+        gb.setLayout(l)
+        for i, b in enumerate(self.cover.buttons[:3]):
+            l.addWidget(b, 0, i, 1, 1)
+        gb.hl = QHBoxLayout()
+        for b in self.cover.buttons[3:]:
+            gb.hl.addWidget(b)
+        l.addLayout(gb.hl, 1, 0, 1, 3)
+        self.tabs[0].middle = w = QWidget(self)
+        w.l = l = QGridLayout()
+        w.setLayout(w.l)
+        l.addWidget(gb, 0, 0, 1, 3)
+        self.splitter.addWidget(w)
     # }}}
 
     def __call__(self, id_, has_next=False, has_previous=False):

From cdee30ffd39cd25746810b1af5ed341c54eb675e Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 20 Jan 2011 10:26:02 -0700
Subject: [PATCH 06/14] And we have comments

---
 src/calibre/gui2/metadata/single.py | 38 +++++++++++++++++++++++++++--
 1 file changed, 36 insertions(+), 2 deletions(-)

diff --git a/src/calibre/gui2/metadata/single.py b/src/calibre/gui2/metadata/single.py
index 1575702918..9cffe2ee55 100644
--- a/src/calibre/gui2/metadata/single.py
+++ b/src/calibre/gui2/metadata/single.py
@@ -25,7 +25,8 @@ from calibre import strftime
 from calibre.ebooks import BOOK_EXTENSIONS
 from calibre.customize.ui import run_plugins_on_import
 from calibre.utils.date import utcfromtimestamp
-
+from calibre.gui2.comments_editor import Editor
+from calibre.library.comments import comments_to_html
 
 '''
 The interface common to all widgets used to set basic metadata
@@ -565,7 +566,7 @@ class FormatsManager(QWidget): # {{{
 
 # }}}
 
-class Cover(ImageView):
+class Cover(ImageView): # {{{
 
     def __init__(self, parent):
         ImageView.__init__(self, parent)
@@ -713,7 +714,30 @@ class Cover(ImageView):
                 db.remove_cover(id_, notify=False, commit=False)
         return True
 
+# }}}
 
+class CommentsEdit(Editor): # {{{
+
+    @dynamic_property
+    def current_val(self):
+        def fget(self):
+            return self.html
+        def fset(self, val):
+            if not val or not val.strip():
+                val = ''
+            else:
+                val = comments_to_html(val)
+            self.html = val
+        return property(fget=fget, fset=fset)
+
+    def initialize(self, db, id_):
+        self.current_val = db.comments(id_, index_is_id=True)
+        self.original_val = self.current_val
+
+    def commit(self, db, id_):
+        db.set_comment(id_, self.current_val, notify=False, commit=False)
+        return True
+# }}}
 
 class MetadataSingleDialog(ResizableDialog):
 
@@ -799,6 +823,9 @@ class MetadataSingleDialog(ResizableDialog):
         self.cover = Cover(self)
         self.basic_metadata_widgets.append(self.cover)
 
+        self.comments = CommentsEdit(self)
+        self.basic_metadata_widgets.append(self.comments)
+
     # }}}
 
     def do_layout(self): # {{{
@@ -851,6 +878,13 @@ class MetadataSingleDialog(ResizableDialog):
         w.setLayout(w.l)
         l.addWidget(gb, 0, 0, 1, 3)
         self.splitter.addWidget(w)
+
+        self.tabs[0].gb2 = gb = QGroupBox(_('&Comments'), self)
+        gb.l = l = QVBoxLayout()
+        gb.setLayout(l)
+        l.addWidget(self.comments)
+        self.splitter.addWidget(gb)
+
     # }}}
 
     def __call__(self, id_, has_next=False, has_previous=False):

From a6bded4378460a6443f92e2d07719d63855a32c0 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 20 Jan 2011 11:11:26 -0700
Subject: [PATCH 07/14] Fix #8475 (calibre not finding device)

---
 src/calibre/devices/android/driver.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/calibre/devices/android/driver.py b/src/calibre/devices/android/driver.py
index 277070020b..1b5cbe4bed 100644
--- a/src/calibre/devices/android/driver.py
+++ b/src/calibre/devices/android/driver.py
@@ -21,7 +21,7 @@ class ANDROID(USBMS):
             # HTC
             0x0bb4 : { 0x0c02 : [0x100, 0x0227, 0x0226], 0x0c01 : [0x100, 0x0227], 0x0ff9
                 : [0x0100, 0x0227, 0x0226], 0x0c87: [0x0100, 0x0227, 0x0226],
-                0xc92 : [0x100], 0xc97: [0x226]},
+                0xc92 : [0x100], 0xc97: [0x226], 0xc99 : [0x0100]},
 
             # Eken
             0x040d : { 0x8510 : [0x0001], 0x0851 : [0x1] },

From f573d07e819fe6f557465dd94712492774520ba9 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 20 Jan 2011 11:16:03 -0700
Subject: [PATCH 08/14] And we have tags

---
 src/calibre/gui2/dialogs/metadata_single.py |   2 +-
 src/calibre/gui2/dialogs/tag_editor.py      |   4 +-
 src/calibre/gui2/metadata/single.py         | 135 +++++++++++++++++++-
 src/calibre/manual/faq.rst                  |   2 +-
 4 files changed, 133 insertions(+), 10 deletions(-)

diff --git a/src/calibre/gui2/dialogs/metadata_single.py b/src/calibre/gui2/dialogs/metadata_single.py
index a2ced18e0f..00bc98cb17 100644
--- a/src/calibre/gui2/dialogs/metadata_single.py
+++ b/src/calibre/gui2/dialogs/metadata_single.py
@@ -775,7 +775,7 @@ class MetadataSingleDialog(ResizableDialog, Ui_MetadataSingleDialog):
                 self.original_tags = unicode(self.tags.text())
             else:
                 self.tags.setText(self.original_tags)
-        d = TagEditor(self, self.db, self.row)
+        d = TagEditor(self, self.db, self.id)
         d.exec_()
         if d.result() == QDialog.Accepted:
             tag_string = ', '.join(d.tags)
diff --git a/src/calibre/gui2/dialogs/tag_editor.py b/src/calibre/gui2/dialogs/tag_editor.py
index 6c5aa6de66..c12b7357f1 100644
--- a/src/calibre/gui2/dialogs/tag_editor.py
+++ b/src/calibre/gui2/dialogs/tag_editor.py
@@ -10,13 +10,13 @@ from calibre.utils.icu import sort_key
 
 class TagEditor(QDialog, Ui_TagEditor):
 
-    def __init__(self, window, db, index=None):
+    def __init__(self, window, db, id_=None):
         QDialog.__init__(self, window)
         Ui_TagEditor.__init__(self)
         self.setupUi(self)
 
         self.db = db
-        self.index = index
+        self.index = db.row(id_)
         if self.index is not None:
             tags = self.db.tags(self.index)
         else:
diff --git a/src/calibre/gui2/metadata/single.py b/src/calibre/gui2/metadata/single.py
index 9cffe2ee55..f531e62fde 100644
--- a/src/calibre/gui2/metadata/single.py
+++ b/src/calibre/gui2/metadata/single.py
@@ -10,14 +10,15 @@ import textwrap, re, os
 from PyQt4.Qt import QDialogButtonBox, Qt, QTabWidget, QScrollArea, \
     QVBoxLayout, QIcon, QToolButton, QWidget, QLabel, QGridLayout, \
     QDoubleSpinBox, QListWidgetItem, QSize, pyqtSignal, QPixmap, \
-    QSplitter, QPushButton, QGroupBox, QHBoxLayout
+    QSplitter, QPushButton, QGroupBox, QHBoxLayout, QSpinBox, \
+    QMessageBox
 
 from calibre.gui2 import ResizableDialog, file_icon_provider, \
-        choose_files, error_dialog, choose_images
+        choose_files, error_dialog, choose_images, question_dialog
 from calibre.utils.icu import sort_key
 from calibre.utils.config import tweaks
 from calibre.gui2.widgets import EnLineEdit, CompleteComboBox, \
-        EnComboBox, FormatList, ImageView
+        EnComboBox, FormatList, ImageView, CompleteLineEdit
 from calibre.ebooks.metadata import title_sort, authors_to_string, \
         string_to_authors
 from calibre.utils.date import local_tz
@@ -27,6 +28,7 @@ from calibre.customize.ui import run_plugins_on_import
 from calibre.utils.date import utcfromtimestamp
 from calibre.gui2.comments_editor import Editor
 from calibre.library.comments import comments_to_html
+from calibre.gui2.dialogs.tag_editor import TagEditor
 
 '''
 The interface common to all widgets used to set basic metadata
@@ -739,6 +741,104 @@ class CommentsEdit(Editor): # {{{
         return True
 # }}}
 
+class RatingEdit(QSpinBox): # {{{
+    LABEL = _('&Rating:')
+    TOOLTIP = _('Rating of this book. 0-5 stars')
+
+    def __init__(self, parent):
+        QSpinBox.__init__(self, parent)
+        self.setToolTip(self.TOOLTIP)
+        self.setWhatsThis(self.TOOLTIP)
+        self.setMaximum(5)
+        self.setSuffix(' ' + _('stars'))
+
+    @dynamic_property
+    def current_val(self):
+        def fget(self):
+            return self.value()
+        def fset(self, val):
+            if val is None:
+                val = 0
+            val = int(val)
+            if val < 0:
+                val = 0
+            if val > 5:
+                val = 5
+            self.setValue(val)
+        return property(fget=fget, fset=fset)
+
+    def initialize(self, db, id_):
+        val = db.rating(id_, index_is_id=True)
+        if val > 0:
+            val = int(val/2.)
+        else:
+            val = 0
+        self.current_val = val
+        self.original_val = self.current_val
+
+    def commit(self, db, id_):
+        db.set_rating(id_, 2*self.current_val, notify=False, commit=False)
+        return True
+
+# }}}
+
+class TagsEdit(CompleteLineEdit): # {{{
+    LABEL = _('Ta&gs:')
+    TOOLTIP = '<p>'+_('Tags categorize the book. This is particularly '
+            'useful while searching. <br><br>They can be any words'
+            'or phrases, separated by commas.')
+
+    def __init__(self, parent):
+        CompleteLineEdit.__init__(self, parent)
+        self.setToolTip(self.TOOLTIP)
+        self.setWhatsThis(self.TOOLTIP)
+
+    @dynamic_property
+    def current_val(self):
+        def fget(self):
+            return [x.strip() for x in unicode(self.text()).split(',')]
+        def fset(self, val):
+            if not val:
+                val = []
+            self.setText(', '.join([x.strip() for x in val]))
+        return property(fget=fget, fset=fset)
+
+    def initialize(self, db, id_):
+        tags = db.tags(id_, index_is_id=True)
+        tags = tags.split(',') if tags else []
+        self.current_val = tags
+        self.update_items_cache(db.all_tags())
+        self.original_val = self.current_val
+
+    @property
+    def changed(self):
+        return self.current_val != self.original_val
+
+    def edit(self, db, id_):
+        if self.changed:
+            if question_dialog(self, _('Tags changed'),
+                    _('You have changed the tags. In order to use the tags'
+                       ' editor, you must either discard or apply these '
+                       'changes'), show_copy_button=False,
+                    buttons=QMessageBox.Apply|QMessageBox.Discard,
+                    yes_button=QMessageBox.Apply):
+                self.commit(db, id_)
+                db.commit()
+                self.original_val = self.current_val
+            else:
+                self.current_val = self.original_val
+        d = TagEditor(self, db, id_)
+        if d.exec_() == TagEditor.Accepted:
+            self.current_val = d.tags
+            self.update_items_cache(db.all_tags())
+
+
+    def commit(self, db, id_):
+        db.set_tags(id_, self.current_val, notify=False, commit=False)
+        return True
+
+# }}}
+
 class MetadataSingleDialog(ResizableDialog):
 
     view_format = pyqtSignal(object)
@@ -778,7 +878,7 @@ class MetadataSingleDialog(ResizableDialog):
 
     def create_basic_metadata_widgets(self): # {{{
         self.basic_metadata_widgets = []
-        # Title
+
         self.title = TitleEdit(self)
         self.deduce_title_sort_button = QToolButton(self)
         self.deduce_title_sort_button.setToolTip(
@@ -791,7 +891,6 @@ class MetadataSingleDialog(ResizableDialog):
                 self.deduce_title_sort_button)
         self.basic_metadata_widgets.extend([self.title, self.title_sort])
 
-        # Authors
         self.authors = AuthorsEdit(self)
         self.deduce_author_sort_button = QToolButton(self)
         self.deduce_author_sort_button.setToolTip(_(
@@ -826,6 +925,17 @@ class MetadataSingleDialog(ResizableDialog):
         self.comments = CommentsEdit(self)
         self.basic_metadata_widgets.append(self.comments)
 
+        self.rating = RatingEdit(self)
+        self.basic_metadata_widgets.append(self.rating)
+
+        self.tags = TagsEdit(self)
+        self.tags_editor_button = QToolButton(self)
+        self.tags_editor_button.setToolTip(_('Open Tag Editor'))
+        self.tags_editor_button.setIcon(QIcon(I('chapters.png')))
+        self.tags_editor_button.clicked.connect(self.tags_editor)
+        self.basic_metadata_widgets.append(self.tags)
+
+
     # }}}
 
     def do_layout(self): # {{{
@@ -876,8 +986,18 @@ class MetadataSingleDialog(ResizableDialog):
         self.tabs[0].middle = w = QWidget(self)
         w.l = l = QGridLayout()
         w.setLayout(w.l)
-        l.addWidget(gb, 0, 0, 1, 3)
+        l.setMargin(0)
         self.splitter.addWidget(w)
+        def create_row2(row, widget, button=None):
+            ql = BuddyLabel(widget)
+            l.addWidget(ql, row, 0, 1, 1)
+            l.addWidget(widget, row, 1, 1, 2 if button is None else 1)
+            if button is not None:
+                l.addWidget(button, row, 2, 1, 1)
+
+        l.addWidget(gb, 0, 0, 1, 3)
+        create_row2(1, self.rating)
+        create_row2(2, self.tags, self.tags_editor_button)
 
         self.tabs[0].gb2 = gb = QGroupBox(_('&Comments'), self)
         gb.l = l = QVBoxLayout()
@@ -911,6 +1031,9 @@ class MetadataSingleDialog(ResizableDialog):
                     self.series.setCurrentIndex(i)
                     break
 
+    def tags_editor(self, *args):
+        self.tags.edit(self.db, self.book_id)
+
 
 if __name__ == '__main__':
     from PyQt4.Qt import QApplication
diff --git a/src/calibre/manual/faq.rst b/src/calibre/manual/faq.rst
index 3e382c8f10..5ebe91bc76 100644
--- a/src/calibre/manual/faq.rst
+++ b/src/calibre/manual/faq.rst
@@ -441,7 +441,7 @@ menu, choose "Validate fonts".
 I downloaded the installer, but it is not working?
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-Downloading from the internet can sometimes result in a corrupted download. If the |app| installer you downloaded is not opening, try downloading it again. If re-downloading it does not work, download it from `an alternate location <http://sourceforge.net/projects/calibre/files/>`_. If the installer still doesn't work, then something on your computer is preventing it from running. Best place to ask for more help is in the `forums <http://www.mobileread.com/forums/usercp.php>`_.
+Downloading from the internet can sometimes result in a corrupted download. If the |app| installer you downloaded is not opening, try downloading it again. If re-downloading it does not work, download it from `an alternate location <http://sourceforge.net/projects/calibre/files/>`_. If the installer still doesn't work, then something on your computer is preventing it from running. Try rebooting your computer and running a registry cleaner like `Wise registry cleaner <http://www.wisecleaner.com>`_. Best place to ask for more help is in the `forums <http://www.mobileread.com/forums/usercp.php>`_.
 
 My antivirus program claims |app| is a virus/trojan?
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

From 1820832fa8ae0bcb89c800595de9adc4ed52164b Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 20 Jan 2011 11:59:19 -0700
Subject: [PATCH 09/14] Fix #8477 (Series/Sequence Info no longer being
 downloaded)

---
 src/calibre/__init__.py                      |  8 +++++---
 src/calibre/ebooks/metadata/library_thing.py | 21 ++++++++++++++++----
 2 files changed, 22 insertions(+), 7 deletions(-)

diff --git a/src/calibre/__init__.py b/src/calibre/__init__.py
index a4f7439405..221f5911c6 100644
--- a/src/calibre/__init__.py
+++ b/src/calibre/__init__.py
@@ -241,7 +241,7 @@ def get_parsed_proxy(typ='http', debug=True):
                 return ans
 
 
-def browser(honor_time=True, max_time=2, mobile_browser=False):
+def browser(honor_time=True, max_time=2, mobile_browser=False, user_agent=None):
     '''
     Create a mechanize browser for web scraping. The browser handles cookies,
     refresh requests and ignores robots.txt. Also uses proxy if avaialable.
@@ -253,8 +253,10 @@ def browser(honor_time=True, max_time=2, mobile_browser=False):
     opener = Browser()
     opener.set_handle_refresh(True, max_time=max_time, honor_time=honor_time)
     opener.set_handle_robots(False)
-    opener.addheaders = [('User-agent', ' Mozilla/5.0 (Windows; U; Windows CE 5.1; rv:1.8.1a3) Gecko/20060610 Minimo/0.016' if mobile_browser else \
-                          'Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101210 Gentoo Firefox/3.6.13')]
+    if user_agent is None:
+        user_agent = ' Mozilla/5.0 (Windows; U; Windows CE 5.1; rv:1.8.1a3) Gecko/20060610 Minimo/0.016' if mobile_browser else \
+                          'Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101210 Gentoo Firefox/3.6.13'
+    opener.addheaders = [('User-agent', user_agent)]
     http_proxy = get_proxies().get('http', None)
     if http_proxy:
         opener.set_proxies({'http':http_proxy})
diff --git a/src/calibre/ebooks/metadata/library_thing.py b/src/calibre/ebooks/metadata/library_thing.py
index 7f312da1d9..d956747a2b 100644
--- a/src/calibre/ebooks/metadata/library_thing.py
+++ b/src/calibre/ebooks/metadata/library_thing.py
@@ -4,7 +4,7 @@ __copyright__ = '2008, Kovid Goyal <kovid at kovidgoyal.net>'
 Fetch cover from LibraryThing.com based on ISBN number.
 '''
 
-import sys, socket, os, re
+import sys, socket, os, re, random
 
 from lxml import html
 import mechanize
@@ -16,13 +16,26 @@ from calibre.ebooks.chardet import strip_encoding_declarations
 
 OPENLIBRARY = 'http://covers.openlibrary.org/b/isbn/%s-L.jpg?default=false'
 
+def get_ua():
+    choices = [
+        'Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.2.11) Gecko/20101012 Firefox/3.6.11'
+        'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)'
+        'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)'
+        'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1)'
+        'Mozilla/5.0 (iPhone; U; CPU iPhone OS 3_0 like Mac OS X; en-us) AppleWebKit/528.18 (KHTML, like Gecko) Version/4.0 Mobile/7A341 Safari/528.16'
+        'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/525.19 (KHTML, like Gecko) Chrome/0.2.153.1 Safari/525.19'
+        'Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.2.11) Gecko/20101012 Firefox/3.6.11'
+    ]
+    return choices[random.randint(0, len(choices)-1)]
+
+
 class HeadRequest(mechanize.Request):
 
     def get_method(self):
         return 'HEAD'
 
 def check_for_cover(isbn, timeout=5.):
-    br = browser()
+    br = browser(user_agent=get_ua())
     br.set_handle_redirect(False)
     try:
         br.open_novisit(HeadRequest(OPENLIBRARY%isbn), timeout=timeout)
@@ -51,7 +64,7 @@ def login(br, username, password, force=True):
 
 def cover_from_isbn(isbn, timeout=5., username=None, password=None):
     src = None
-    br = browser()
+    br = browser(user_agent=get_ua())
     try:
         return br.open(OPENLIBRARY%isbn, timeout=timeout).read(), 'jpg'
     except:
@@ -100,7 +113,7 @@ def get_social_metadata(title, authors, publisher, isbn, username=None,
     from calibre.ebooks.metadata import MetaInformation
     mi = MetaInformation(title, authors)
     if isbn:
-        br = browser()
+        br = browser(user_agent=get_ua())
         if username and password:
             try:
                 login(br, username, password, force=False)

From 5f9fcaa1882436f3bd995bf330e5281048c3db58 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 20 Jan 2011 13:15:53 -0700
Subject: [PATCH 10/14] Fix #8479 (Updated recipe for Blic)

---
 resources/recipes/blic.recipe | 44 ++++++++++++++++++++++++++++++-----
 1 file changed, 38 insertions(+), 6 deletions(-)

diff --git a/resources/recipes/blic.recipe b/resources/recipes/blic.recipe
index 0c955bebde..384518ec13 100644
--- a/resources/recipes/blic.recipe
+++ b/resources/recipes/blic.recipe
@@ -1,6 +1,6 @@
 
 __license__   = 'GPL v3'
-__copyright__ = '2008-2010, Darko Miletic <darko.miletic at gmail.com>'
+__copyright__ = '2008-2011, Darko Miletic <darko.miletic at gmail.com>'
 '''
 blic.rs
 '''
@@ -21,21 +21,53 @@ class Blic(BasicNewsRecipe):
     masthead_url          = 'http://www.blic.rs/resources/images/header/header_back.png'
     language              = 'sr'
     publication_type      = 'newspaper'
-    extra_css             = '@font-face {font-family: "serif1";src:url(res:///opt/sony/ebook/FONT/tt0011m_.ttf)} @font-face {font-family: "sans1";src:url(res:///opt/sony/ebook/FONT/tt0003m_.ttf)} body{font-family: Georgia, serif1, serif} .article_description{font-family: Arial, sans1, sans-serif} .img_full{float: none} img{margin-bottom: 0.8em} '
+    extra_css             = """ 
+                               @font-face {font-family: "serif1";src:url(res:///opt/sony/ebook/FONT/tt0011m_.ttf)} 
+                               @font-face {font-family: "sans1";src:url(res:///opt/sony/ebook/FONT/tt0003m_.ttf)} 
+                               body{font-family: Georgia, serif1, serif} 
+                               .articledescription,#nadnaslov,.article_info{font-family: Arial, sans1, sans-serif} 
+                               .img_full{float: none}
+                               #nadnaslov{font-size: small}
+                               #article_lead{font-size: 1.5em}
+                               h1{color: red}
+                               .potpis{font-size: x-small; color: gray}
+                               .article_info{font-size: small}
+                               img{margin-bottom: 0.8em; margin-top: 0.8em; display: block} 
+                            """
 
     conversion_options = {
                           'comment'  : description
                         , 'tags'     : category
                         , 'publisher': publisher
                         , 'language' : language
+                        , 'linearize_tables' : True
                         }
 
     preprocess_regexps = [(re.compile(u'\u0110'), lambda match: u'\u00D0')]
     remove_tags_before = dict(name='div', attrs={'id':'article_info'})
-    remove_tags        = [dict(name=['object','link'])]
-    remove_attributes  = ['width','height']
+    remove_tags        = [dict(name=['object','link','meta','base','object','embed'])]
+    remove_attributes  = ['width','height','m_id','m_ext','mlg_id','poll_id','v_id']
 
-    feeds              = [(u'Danasnje Vesti', u'http://www.blic.rs/rss/danasnje-vesti')]
+    feeds              = [
+                            (u'Politika'         , u'http://www.blic.rs/rss/Vesti/Politika')
+                           ,(u'Tema Dana'        , u'http://www.blic.rs/rss/Vesti/Tema-Dana')
+                           ,(u'Svet'             , u'http://www.blic.rs/rss/Vesti/Svet')
+                           ,(u'Drustvo'          , u'http://www.blic.rs/rss/Vesti/Drustvo')
+                           ,(u'Ekonomija'        , u'http://www.blic.rs/rss/Vesti/Ekonomija')
+                           ,(u'Hronika'          , u'http://www.blic.rs/rss/Vesti/Hronika')
+                           ,(u'Beograd'          , u'http://www.blic.rs/rss/Vesti/Beograd')
+                           ,(u'Srbija'           , u'http://www.blic.rs/rss/Vesti/Srbija')
+                           ,(u'Vojvodina'        , u'http://www.blic.rs/rss/Vesti/Vojvodina')
+                           ,(u'Republika Srpska' , u'http://www.blic.rs/rss/Vesti/Republika-Srpska')
+                           ,(u'Reportaza'        , u'http://www.blic.rs/rss/Vesti/Reportaza')
+                           ,(u'Dodatak'          , u'http://www.blic.rs/rss/Vesti/Dodatak')
+                           ,(u'Zabava'           , u'http://www.blic.rs/rss/Zabava')
+                           ,(u'Kultura'          , u'http://www.blic.rs/rss/Kultura')
+                           ,(u'Slobodno Vreme'   , u'http://www.blic.rs/rss/Slobodno-vreme')
+                           ,(u'IT'               , u'http://www.blic.rs/rss/IT')
+                           ,(u'Komentar'         , u'http://www.blic.rs/rss/Komentar')
+                           ,(u'Intervju'         , u'http://www.blic.rs/rss/Intervju')
+                         ]
 
 
     def print_version(self, url):
@@ -44,4 +76,4 @@ class Blic(BasicNewsRecipe):
     def preprocess_html(self, soup):
         for item in soup.findAll(style=True):
             del item['style']    
-        return self.adeify_images(soup)
+        return soup

From cf4e47fcf8d7304ed66684f245df9aa460714fde Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 20 Jan 2011 14:56:56 -0700
Subject: [PATCH 11/14] isbn added

---
 src/calibre/gui2/metadata/single.py | 48 +++++++++++++++++++++++++++--
 1 file changed, 46 insertions(+), 2 deletions(-)

diff --git a/src/calibre/gui2/metadata/single.py b/src/calibre/gui2/metadata/single.py
index f531e62fde..daae579334 100644
--- a/src/calibre/gui2/metadata/single.py
+++ b/src/calibre/gui2/metadata/single.py
@@ -11,7 +11,7 @@ from PyQt4.Qt import QDialogButtonBox, Qt, QTabWidget, QScrollArea, \
     QVBoxLayout, QIcon, QToolButton, QWidget, QLabel, QGridLayout, \
     QDoubleSpinBox, QListWidgetItem, QSize, pyqtSignal, QPixmap, \
     QSplitter, QPushButton, QGroupBox, QHBoxLayout, QSpinBox, \
-    QMessageBox
+    QMessageBox, QLineEdit
 
 from calibre.gui2 import ResizableDialog, file_icon_provider, \
         choose_files, error_dialog, choose_images, question_dialog
@@ -20,7 +20,7 @@ from calibre.utils.config import tweaks
 from calibre.gui2.widgets import EnLineEdit, CompleteComboBox, \
         EnComboBox, FormatList, ImageView, CompleteLineEdit
 from calibre.ebooks.metadata import title_sort, authors_to_string, \
-        string_to_authors
+        string_to_authors, check_isbn
 from calibre.utils.date import local_tz
 from calibre import strftime
 from calibre.ebooks import BOOK_EXTENSIONS
@@ -839,6 +839,47 @@ class TagsEdit(CompleteLineEdit): # {{{
 
 # }}}
 
+class ISBNEdit(QLineEdit): # {{{
+    LABEL = _('IS&BN:')
+
+    def __init__(self, parent):
+        QLineEdit.__init__(self, parent)
+        self.pat = re.compile(r'[^0-9a-zA-Z]')
+        self.textChanged.connect(self.validate)
+
+    @dynamic_property
+    def current_val(self):
+        def fget(self):
+            return self.pat.sub('', unicode(self.text()).strip())
+        def fset(self, val):
+            if not val:
+                val = ''
+            self.setText(val.strip())
+        return property(fget=fget, fset=fset)
+
+    def initialize(self, db, id_):
+        self.current_val = db.isbn(id_, index_is_id=True)
+        self.original_val = self.current_val
+
+    def commit(self, db, id_):
+        db.set_isbn(id_, self.current_val, notify=False, commit=False)
+        return True
+
+    def validate(self, *args):
+        isbn = self.current_val
+        tt = _('This ISBN number is valid')
+        if not isbn:
+            col = 'rgba(0,255,0,0%)'
+        elif check_isbn(isbn) is not None:
+            col = 'rgba(0,255,0,20%)'
+        else:
+            col = 'rgba(255,0,0,20%)'
+            tt = _('This ISBN number is invalid')
+        self.setToolTip(tt)
+        self.setStyleSheet('QLineEdit { background-color: %s }'%col)
+
+# }}}
+
 class MetadataSingleDialog(ResizableDialog):
 
     view_format = pyqtSignal(object)
@@ -935,6 +976,8 @@ class MetadataSingleDialog(ResizableDialog):
         self.tags_editor_button.clicked.connect(self.tags_editor)
         self.basic_metadata_widgets.append(self.tags)
 
+        self.isbn = ISBNEdit(self)
+        self.basic_metadata_widgets.append(self.isbn)
 
     # }}}
 
@@ -998,6 +1041,7 @@ class MetadataSingleDialog(ResizableDialog):
         l.addWidget(gb, 0, 0, 1, 3)
         create_row2(1, self.rating)
         create_row2(2, self.tags, self.tags_editor_button)
+        create_row2(3, self.isbn)
 
         self.tabs[0].gb2 = gb = QGroupBox(_('&Comments'), self)
         gb.l = l = QVBoxLayout()

From daeaa718123a75157b2053d0b95966ebbfdf5245 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 20 Jan 2011 15:04:40 -0700
Subject: [PATCH 12/14] publisher added

---
 src/calibre/gui2/metadata/single.py | 48 +++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/src/calibre/gui2/metadata/single.py b/src/calibre/gui2/metadata/single.py
index daae579334..de59e8075d 100644
--- a/src/calibre/gui2/metadata/single.py
+++ b/src/calibre/gui2/metadata/single.py
@@ -880,6 +880,50 @@ class ISBNEdit(QLineEdit): # {{{
 
 # }}}
 
+class PublisherEdit(EnComboBox): # {{{
+    LABEL = _('&Publisher:')
+
+    def __init__(self, parent):
+        EnComboBox.__init__(self, parent)
+        self.setSizeAdjustPolicy(
+                self.AdjustToMinimumContentsLengthWithIcon)
+
+    @dynamic_property
+    def current_val(self):
+
+        def fget(self):
+            return unicode(self.currentText()).strip()
+
+        def fset(self, val):
+            if not val:
+                val = ''
+            self.setEditText(val.strip())
+            self.setCursorPosition(0)
+
+        return property(fget=fget, fset=fset)
+
+    def initialize(self, db, id_):
+        all_publishers = db.all_publishers()
+        all_publishers.sort(key=lambda x : sort_key(x[1]))
+        publisher_id = db.publisher_id(id_, index_is_id=True)
+        idx, c = None, 0
+        for i in all_publishers:
+            id, name = i
+            if id == publisher_id:
+                idx = c
+            self.addItem(name)
+            c += 1
+
+        self.setEditText('')
+        if idx is not None:
+            self.setCurrentIndex(idx)
+
+    def commit(self, db, id_):
+        db.set_publisher(id_, self.current_val, notify=False, commit=False)
+        return True
+
+# }}}
+
 class MetadataSingleDialog(ResizableDialog):
 
     view_format = pyqtSignal(object)
@@ -979,6 +1023,9 @@ class MetadataSingleDialog(ResizableDialog):
         self.isbn = ISBNEdit(self)
         self.basic_metadata_widgets.append(self.isbn)
 
+        self.publisher = PublisherEdit(self)
+        self.basic_metadata_widgets.append(self.publisher)
+
     # }}}
 
     def do_layout(self): # {{{
@@ -1042,6 +1089,7 @@ class MetadataSingleDialog(ResizableDialog):
         create_row2(1, self.rating)
         create_row2(2, self.tags, self.tags_editor_button)
         create_row2(3, self.isbn)
+        create_row2(4, self.publisher)
 
         self.tabs[0].gb2 = gb = QGroupBox(_('&Comments'), self)
         gb.l = l = QVBoxLayout()

From 631bd5d63d671ad73d912e37ec6e4e045366c217 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 20 Jan 2011 15:14:17 -0700
Subject: [PATCH 13/14] ...

---
 src/calibre/gui2/metadata/basic_widgets.py | 927 +++++++++++++++++++++
 src/calibre/gui2/metadata/single.py        | 925 +-------------------
 2 files changed, 936 insertions(+), 916 deletions(-)
 create mode 100644 src/calibre/gui2/metadata/basic_widgets.py

diff --git a/src/calibre/gui2/metadata/basic_widgets.py b/src/calibre/gui2/metadata/basic_widgets.py
new file mode 100644
index 0000000000..eb162ac9d5
--- /dev/null
+++ b/src/calibre/gui2/metadata/basic_widgets.py
@@ -0,0 +1,927 @@
+#!/usr/bin/env python
+# vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
+
+__license__   = 'GPL v3'
+__copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'
+__docformat__ = 'restructuredtext en'
+
+import textwrap, re, os
+
+from PyQt4.Qt import Qt, \
+    QIcon, QToolButton, QWidget, QLabel, QGridLayout, \
+    QDoubleSpinBox, QListWidgetItem, QSize, QPixmap, \
+    QPushButton, QSpinBox, \
+    QMessageBox, QLineEdit
+
+from calibre.gui2.widgets import EnLineEdit, CompleteComboBox, \
+        EnComboBox, FormatList, ImageView, CompleteLineEdit
+from calibre.utils.icu import sort_key
+from calibre.utils.config import tweaks
+from calibre.ebooks.metadata import title_sort, authors_to_string, \
+        string_to_authors, check_isbn
+from calibre.gui2 import file_icon_provider, \
+        choose_files, error_dialog, choose_images, question_dialog
+from calibre.utils.date import local_tz
+from calibre import strftime
+from calibre.ebooks import BOOK_EXTENSIONS
+from calibre.customize.ui import run_plugins_on_import
+from calibre.utils.date import utcfromtimestamp
+from calibre.gui2.comments_editor import Editor
+from calibre.library.comments import comments_to_html
+from calibre.gui2.dialogs.tag_editor import TagEditor
+
+'''
+The interface common to all widgets used to set basic metadata
+class BasicMetadataWidget(object):
+
+    LABEL = "label text"
+
+    def initialize(self, db, id_):
+        pass
+
+    def commit(self, db, id_):
+        return True
+
+    @dynamic_property
+    def current_val(self):
+        # Present in most but not all basic metadata widgets
+        def fget(self):
+            return None
+        def fset(self, val):
+            pass
+        return property(fget=fget, fset=fset)
+'''
+
+# Title {{{
+class TitleEdit(EnLineEdit):
+
+    TITLE_ATTR = 'title'
+    COMMIT = True
+    TOOLTIP = _('Change the title of this book')
+    LABEL = _('&Title:')
+
+    def __init__(self, parent):
+        self.dialog = parent
+        EnLineEdit.__init__(self, parent)
+        self.setToolTip(self.TOOLTIP)
+        self.setWhatsThis(self.TOOLTIP)
+
+    def get_default(self):
+        return _('Unknown')
+
+    def initialize(self, db, id_):
+        title = getattr(db, self.TITLE_ATTR)(id_, index_is_id=True)
+        self.current_val = title
+        self.original_val = self.current_val
+
+    def commit(self, db, id_):
+        title = self.current_val
+        if self.COMMIT:
+            getattr(db, 'set_', self.TITLE_ATTR)(id_, title, notify=False)
+        else:
+            getattr(db, 'set_', self.TITLE_ATTR)(id_, title, notify=False,
+                    commit=False)
+        return True
+
+    @dynamic_property
+    def current_val(self):
+
+        def fget(self):
+            title = unicode(self.text()).strip()
+            if not title:
+                title = self.get_default()
+            return title
+
+        def fset(self, val):
+            if hasattr(val, 'strip'):
+                val = val.strip()
+            if not val:
+                val = self.get_default()
+            self.setText(val)
+            self.setCursorPosition(0)
+
+        return property(fget=fget, fset=fset)
+
+class TitleSortEdit(TitleEdit):
+
+    TITLE_ATTR = 'title_sort'
+    COMMIT = False
+    TOOLTIP = _('Specify how this book should be sorted when by title.'
+            ' For example, The Exorcist might be sorted as Exorcist, The.')
+    LABEL = _('Title &sort:')
+
+    def __init__(self, parent, title_edit, autogen_button):
+        TitleEdit.__init__(self, parent)
+        self.title_edit = title_edit
+
+        base = self.TOOLTIP
+        ok_tooltip = '<p>' + textwrap.fill(base+'<br><br>'+
+                            _(' The green color indicates that the current '
+                              'title sort matches the current title'))
+        bad_tooltip = '<p>'+textwrap.fill(base + '<br><br>'+
+                _(' The red color warns that the current '
+                  'title sort does not match the current title. '
+                  'No action is required if this is what you want.'))
+        self.tooltips = (ok_tooltip, bad_tooltip)
+
+        self.title_edit.textChanged.connect(self.update_state)
+        self.textChanged.connect(self.update_state)
+
+        autogen_button.clicked.connect(self.auto_generate)
+        self.update_state()
+
+    def update_state(self, *args):
+        ts = title_sort(self.title_edit.current_val)
+        normal = ts == self.current_val
+        if normal:
+            col = 'rgb(0, 255, 0, 20%)'
+        else:
+            col = 'rgb(255, 0, 0, 20%)'
+        self.setStyleSheet('QLineEdit { color: black; '
+                              'background-color: %s; }'%col)
+        tt = self.tooltips[0 if normal else 1]
+        self.setToolTip(tt)
+        self.setWhatsThis(tt)
+
+    def auto_generate(self, *args):
+        self.current_val = title_sort(self.title_edit.current_val)
+
+# }}}
+
+# Authors {{{
+class AuthorsEdit(CompleteComboBox):
+
+    TOOLTIP = ''
+    LABEL = _('&Author(s):')
+
+    def __init__(self, parent):
+        self.dialog = parent
+        CompleteComboBox.__init__(self, parent)
+        self.setToolTip(self.TOOLTIP)
+        self.setWhatsThis(self.TOOLTIP)
+        self.setEditable(True)
+        self.setSizeAdjustPolicy(self.AdjustToMinimumContentsLengthWithIcon)
+
+    def get_default(self):
+        return _('Unknown')
+
+    def initialize(self, db, id_):
+        all_authors = db.all_authors()
+        all_authors.sort(key=lambda x : sort_key(x[1]))
+        for i in all_authors:
+            id, name = i
+            name = [name.strip().replace('|', ',') for n in name.split(',')]
+            self.addItem(authors_to_string(name))
+
+        self.set_separator('&')
+        self.set_space_before_sep(True)
+        self.update_items_cache(db.all_author_names())
+
+        au = db.authors(id_, index_is_id=True)
+        if not au:
+            au = _('Unknown')
+        self.current_val = [a.strip().replace('|', ',') for a in au.split(',')]
+        self.original_val = self.current_val
+
+    def commit(self, db, id_):
+        authors = self.current_val
+        db.set_authors(id_, authors, notify=False)
+        return True
+
+    @dynamic_property
+    def current_val(self):
+
+        def fget(self):
+            au = unicode(self.text()).strip()
+            if not au:
+                au = self.get_default()
+            return string_to_authors(au)
+
+        def fset(self, val):
+            if not val:
+                val = [self.get_default()]
+            self.setEditText(' & '.join([x.strip() for x in val]))
+            self.lineEdit().setCursorPosition(0)
+
+
+        return property(fget=fget, fset=fset)
+
+class AuthorSortEdit(EnLineEdit):
+
+    TOOLTIP = _('Specify how the author(s) of this book should be sorted. '
+            'For example Charles Dickens should be sorted as Dickens, '
+            'Charles.\nIf the box is colored green, then text matches '
+            'the individual author\'s sort strings. If it is colored '
+            'red, then the authors and this text do not match.')
+    LABEL = _('Author s&ort:')
+
+    def __init__(self, parent, authors_edit, autogen_button, db):
+        EnLineEdit.__init__(self, parent)
+        self.authors_edit = authors_edit
+        self.db = db
+
+        base = self.TOOLTIP
+        ok_tooltip = '<p>' + textwrap.fill(base+'<br><br>'+
+                _(' The green color indicates that the current '
+                    'author sort matches the current author'))
+        bad_tooltip = '<p>'+textwrap.fill(base + '<br><br>'+
+                _(' The red color indicates that the current '
+                    'author sort does not match the current author. '
+                    'No action is required if this is what you want.'))
+        self.tooltips = (ok_tooltip, bad_tooltip)
+
+        self.authors_edit.editTextChanged.connect(self.update_state)
+        self.textChanged.connect(self.update_state)
+
+        autogen_button.clicked.connect(self.auto_generate)
+        self.update_state()
+
+    @dynamic_property
+    def current_val(self):
+
+        def fget(self):
+            return unicode(self.text()).strip()
+
+        def fset(self, val):
+            if not val:
+                val = ''
+            self.setText(val.strip())
+            self.setCursorPosition(0)
+
+        return property(fget=fget, fset=fset)
+
+    def update_state(self, *args):
+        au = unicode(self.authors_edit.text())
+        au = re.sub(r'\s+et al\.$', '', au)
+        au = self.db.author_sort_from_authors(string_to_authors(au))
+
+        normal = au == self.current_val
+        if normal:
+            col = 'rgb(0, 255, 0, 20%)'
+        else:
+            col = 'rgb(255, 0, 0, 20%)'
+        self.setStyleSheet('QLineEdit { color: black; '
+                              'background-color: %s; }'%col)
+        tt = self.tooltips[0 if normal else 1]
+        self.setToolTip(tt)
+        self.setWhatsThis(tt)
+
+    def auto_generate(self, *args):
+        au = unicode(self.authors_edit.text())
+        au = re.sub(r'\s+et al\.$', '', au)
+        authors = string_to_authors(au)
+        self.current_val = self.db.author_sort_from_authors(authors)
+
+    def initialize(self, db, id_):
+        self.current_val = db.author_sort(id_, index_is_id=True)
+
+    def commit(self, db, id_):
+        aus = self.current_val
+        db.set_author_sort(id_, aus, notify=False, commit=False)
+        return True
+
+# }}}
+
+# Series {{{
+class SeriesEdit(EnComboBox):
+
+    TOOLTIP = _('List of known series. You can add new series.')
+    LABEL = _('&Series:')
+
+    def __init__(self, parent):
+        EnComboBox.__init__(self, parent)
+        self.dialog = parent
+        self.setSizeAdjustPolicy(
+                self.AdjustToMinimumContentsLengthWithIcon)
+        self.setToolTip(self.TOOLTIP)
+        self.setWhatsThis(self.TOOLTIP)
+        self.setEditable(True)
+
+    @dynamic_property
+    def current_val(self):
+
+        def fget(self):
+            return unicode(self.currentText()).strip()
+
+        def fset(self, val):
+            if not val:
+                val = ''
+            self.setEditText(val.strip())
+            self.setCursorPosition(0)
+
+        return property(fget=fget, fset=fset)
+
+    def initialize(self, db, id_):
+        all_series = db.all_series()
+        all_series.sort(key=lambda x : sort_key(x[1]))
+        series_id = db.series_id(id_, index_is_id=True)
+        idx, c = None, 0
+        for i in all_series:
+            id, name = i
+            if id == series_id:
+                idx = c
+            self.addItem(name)
+            c += 1
+
+        self.lineEdit().setText('')
+        if idx is not None:
+            self.setCurrentIndex(idx)
+        self.original_val = self.current_val
+
+    def commit(self, db, id_):
+        series = self.current_val
+        db.set_series(id_, series, notify=False, commit=True)
+        return True
+
+class SeriesIndexEdit(QDoubleSpinBox):
+
+    TOOLTIP = ''
+    LABEL = _('&Number:')
+
+    def __init__(self, parent, series_edit):
+        QDoubleSpinBox.__init__(self, parent)
+        self.dialog = parent
+        self.db = self.original_series_name = None
+        self.setMaximum(1000000)
+        self.series_edit = series_edit
+        series_edit.currentIndexChanged.connect(self.enable)
+        series_edit.editTextChanged.connect(self.enable)
+        series_edit.lineEdit().editingFinished.connect(self.increment)
+        self.enable()
+
+    def enable(self, *args):
+        self.setEnabled(bool(self.series_edit.current_val))
+
+    @dynamic_property
+    def current_val(self):
+
+        def fget(self):
+            return self.value()
+
+        def fset(self, val):
+            if val is None:
+                val = 1.0
+            val = float(val)
+            self.setValue(val)
+
+        return property(fget=fget, fset=fset)
+
+    def initialize(self, db, id_):
+        self.db = db
+        if self.series_edit.current_val:
+            val = db.series_index(id_, index_is_id=True)
+        else:
+            val = 1.0
+        self.current_val = val
+        self.original_val = self.current_val
+        self.original_series_name = self.series_edit.original_val
+
+    def commit(self, db, id_):
+        db.set_series_index(id_, self.current_val, notify=False, commit=False)
+        return True
+
+    def increment(self):
+        if self.db is not None:
+            try:
+                series = self.series_edit.current_val
+                if series and series != self.original_series_name:
+                    ns = 1.0
+                    if tweaks['series_index_auto_increment'] != 'const':
+                        ns = self.db.get_next_series_num_for(series)
+                    self.current_val = ns
+                    self.original_series_name = series
+            except:
+                import traceback
+                traceback.print_exc()
+
+
+# }}}
+
+class BuddyLabel(QLabel): # {{{
+
+    def __init__(self, buddy):
+        QLabel.__init__(self, buddy.LABEL)
+        self.setBuddy(buddy)
+        self.setAlignment(Qt.AlignRight|Qt.AlignVCenter)
+# }}}
+
+class Format(QListWidgetItem): # {{{
+
+    def __init__(self, parent, ext, size, path=None, timestamp=None):
+        self.path = path
+        self.ext = ext
+        self.size = float(size)/(1024*1024)
+        text = '%s (%.2f MB)'%(self.ext.upper(), self.size)
+        QListWidgetItem.__init__(self, file_icon_provider().icon_from_ext(ext),
+                                 text, parent, QListWidgetItem.UserType)
+        if timestamp is not None:
+            ts = timestamp.astimezone(local_tz)
+            t = strftime('%a, %d %b %Y [%H:%M:%S]', ts.timetuple())
+            text = _('Last modified: %s')%t
+            self.setToolTip(text)
+            self.setStatusTip(text)
+
+# }}}
+
+class FormatsManager(QWidget): # {{{
+
+    def __init__(self, parent):
+        QWidget.__init__(self, parent)
+        self.dialog = parent
+        self.changed = False
+
+        self.l = l = QGridLayout()
+        self.setLayout(l)
+        self.cover_from_format_button = QToolButton(self)
+        self.cover_from_format_button.setToolTip(
+                _('Set the cover for the book from the selected format'))
+        self.cover_from_format_button.setIcon(QIcon(I('book.png')))
+        self.cover_from_format_button.setIconSize(QSize(32, 32))
+
+        self.metadata_from_format_button = QToolButton(self)
+        self.metadata_from_format_button.setIcon(QIcon(I('edit_input.png')))
+        self.metadata_from_format_button.setIconSize(QSize(32, 32))
+        # TODO: Implement the *_from_format buttons
+
+        self.add_format_button = QToolButton(self)
+        self.add_format_button.setIcon(QIcon(I('add_book.png')))
+        self.add_format_button.setIconSize(QSize(32, 32))
+        self.add_format_button.clicked.connect(self.add_format)
+
+        self.remove_format_button = QToolButton(self)
+        self.remove_format_button.setIcon(QIcon(I('trash.png')))
+        self.remove_format_button.setIconSize(QSize(32, 32))
+        self.remove_format_button.clicked.connect(self.remove_format)
+
+        self.formats = FormatList(self)
+        self.formats.setAcceptDrops(True)
+        self.formats.formats_dropped.connect(self.formats_dropped)
+        self.formats.delete_format.connect(self.remove_format)
+        self.formats.itemDoubleClicked.connect(self.show_format)
+        self.formats.setDragDropMode(self.formats.DropOnly)
+        self.formats.setIconSize(QSize(32, 32))
+        self.formats.setMaximumWidth(200)
+
+        l.addWidget(self.cover_from_format_button,    0, 0, 1, 1)
+        l.addWidget(self.metadata_from_format_button, 2, 0, 1, 1)
+        l.addWidget(self.add_format_button,           0, 2, 1, 1)
+        l.addWidget(self.remove_format_button,        2, 2, 1, 1)
+        l.addWidget(self.formats,                     0, 1, 3, 1)
+
+
+
+    def initialize(self, db, id_):
+        self.changed = False
+        exts = db.formats(id_, index_is_id=True)
+        if exts:
+            exts = exts.split(',')
+            for ext in exts:
+                if not ext:
+                    ext = ''
+                size = db.sizeof_format(id_, ext, index_is_id=True)
+                timestamp = db.format_last_modified(id_, ext)
+                if size is None:
+                    continue
+                Format(self.formats, ext, size, timestamp=timestamp)
+
+    def commit(self, db, id_):
+        if not self.changed:
+            return True
+        old_extensions, new_extensions, paths = set(), set(), {}
+        for row in range(self.formats.count()):
+            fmt = self.formats.item(row)
+            ext, path = fmt.ext.lower(), fmt.path
+            if 'unknown' in ext.lower():
+                ext = None
+            if path:
+                new_extensions.add(ext)
+                paths[ext] = path
+            else:
+                old_extensions.add(ext)
+        for ext in new_extensions:
+            db.add_format(id_, ext, open(paths[ext], 'rb'), notify=False,
+                    index_is_id=True)
+        db_extensions = set([f.lower() for f in db.formats(id_,
+            index_is_id=True).split(',')])
+        extensions = new_extensions.union(old_extensions)
+        for ext in db_extensions:
+            if ext not in extensions:
+                db.remove_format(id_, ext, notify=False, index_is_id=True)
+
+        self.changed = False
+        return True
+
+    def add_format(self, *args):
+        files = choose_files(self, 'add formats dialog',
+                             _("Choose formats for ") +
+                             self.dialog.title.current_val,
+                             [(_('Books'), BOOK_EXTENSIONS)])
+        self._add_formats(files)
+
+    def _add_formats(self, paths):
+        added = False
+        if not paths:
+            return added
+        bad_perms = []
+        for _file in paths:
+            _file = os.path.abspath(_file)
+            if not os.access(_file, os.R_OK):
+                bad_perms.append(_file)
+                continue
+
+            nfile = run_plugins_on_import(_file)
+            if nfile is not None:
+                _file = nfile
+            stat = os.stat(_file)
+            size = stat.st_size
+            ext = os.path.splitext(_file)[1].lower().replace('.', '')
+            timestamp = utcfromtimestamp(stat.st_mtime)
+            for row in range(self.formats.count()):
+                fmt = self.formats.item(row)
+                if fmt.ext.lower() == ext:
+                    self.formats.takeItem(row)
+                    break
+            Format(self.formats, ext, size, path=_file, timestamp=timestamp)
+            self.changed = True
+            added = True
+        if bad_perms:
+            error_dialog(self, _('No permission'),
+                    _('You do not have '
+                'permission to read the following files:'),
+                det_msg='\n'.join(bad_perms), show=True)
+
+        return added
+
+    def formats_dropped(self, event, paths):
+        if self._add_formats(paths):
+            event.accept()
+
+    def remove_format(self, *args):
+        rows = self.formats.selectionModel().selectedRows(0)
+        for row in rows:
+            self.formats.takeItem(row.row())
+            self.changed = True
+
+    def show_format(self, item, *args):
+        fmt = item.ext
+        self.dialog.view_format.emit(fmt)
+
+# }}}
+
+class Cover(ImageView): # {{{
+
+    def __init__(self, parent):
+        ImageView.__init__(self, parent)
+        self.dialog = parent
+        self._cdata = None
+        self.cover_changed.connect(self.set_pixmap_from_data)
+
+        self.select_cover_button = QPushButton(QIcon(I('document_open.png')),
+                _('&Browse'), parent)
+        self.trim_cover_button = QPushButton(QIcon(I('trim.png')),
+                _('T&rim'), parent)
+        self.remove_cover_button = QPushButton(QIcon(I('trash.png')),
+            _('&Remove'), parent)
+
+        self.select_cover_button.clicked.connect(self.select_cover)
+        self.remove_cover_button.clicked.connect(self.remove_cover)
+        self.trim_cover_button.clicked.connect(self.trim_cover)
+
+        self.download_cover_button = QPushButton(_('Download co&ver'), parent)
+        self.generate_cover_button = QPushButton(_('&Generate cover'), parent)
+
+        self.download_cover_button.clicked.connect(self.download_cover)
+        self.generate_cover_button.clicked.connect(self.generate_cover)
+
+        self.buttons = [self.select_cover_button, self.remove_cover_button,
+                self.trim_cover_button, self.download_cover_button,
+                self.generate_cover_button]
+
+    def select_cover(self, *args):
+        files = choose_images(self, 'change cover dialog',
+                             _('Choose cover for ') +
+                             self.dialog.title.current_val)
+        if not files:
+            return
+        _file = files[0]
+        if _file:
+            _file = os.path.abspath(_file)
+            if not os.access(_file, os.R_OK):
+                d = error_dialog(self, _('Cannot read'),
+                        _('You do not have permission to read the file: ') + _file)
+                d.exec_()
+                return
+            cf, cover = None, None
+            try:
+                cf = open(_file, "rb")
+                cover = cf.read()
+            except IOError, e:
+                d = error_dialog(self, _('Error reading file'),
+                        _("<p>There was an error reading from file: <br /><b>")
+                        + _file + "</b></p><br />"+str(e))
+                d.exec_()
+            if cover:
+                orig = self.current_val
+                self.current_val = cover
+                if self.current_val is None:
+                    self.current_val = orig
+                    error_dialog(self,
+                        _("Not a valid picture"),
+                            _file + _(" is not a valid picture"), show=True)
+
+    def remove_cover(self, *args):
+        self.current_val = None
+
+    def trim_cover(self, *args):
+        from calibre.utils.magick import Image
+        cdata = self.current_val
+        if not cdata:
+            return
+        im = Image()
+        im.load(cdata)
+        im.trim(10)
+        cdata = im.export('png')
+        self.current_val = cdata
+
+    def download_cover(self, *args):
+        pass # TODO: Implement this
+
+    def generate_cover(self, *args):
+        from calibre.ebooks import calibre_cover
+        from calibre.ebooks.metadata import fmt_sidx
+        from calibre.gui2 import config
+        title = self.dialog.title.current_val
+        author = authors_to_string(self.dialog.authors.current_val)
+        if not title or not author:
+            return error_dialog(self, _('Specify title and author'),
+                    _('You must specify a title and author before generating '
+                        'a cover'), show=True)
+        series = self.dialog.series.current_val
+        series_string = None
+        if series:
+            series_string = _('Book %s of %s')%(
+                    fmt_sidx(self.dialog.series_index.current_val,
+                    use_roman=config['use_roman_numerals_for_series_number']), series)
+        self.current_val = calibre_cover(title, author,
+                series_string=series_string)
+
+    def set_pixmap_from_data(self, data):
+        if not data:
+            self.current_val = None
+            return
+        orig = self.current_val
+        self.current_val = data
+        if self.current_val is None:
+            error_dialog(self, _('Invalid cover'),
+                    _('Could not change cover as the image is invalid.'),
+                    show=True)
+            self.current_val = orig
+
+    def initialize(self, db, id_):
+        self._cdata = None
+        self.current_val = db.cover(id_, index_is_id=True)
+        self.original_val = self.current_val
+
+    @property
+    def changed(self):
+        return self.current_val != self.original_val
+
+    @dynamic_property
+    def current_val(self):
+        def fget(self):
+            return self._cdata
+        def fset(self, cdata):
+            self._cdata = None
+            pm = QPixmap()
+            if cdata:
+                pm.loadFromData(cdata)
+            if pm.isNull():
+                pm = QPixmap(I('default_cover.png'))
+            else:
+                self._cdata = cdata
+            self.setPixmap(pm)
+            tt = _('This book has no cover')
+            if self._cdata:
+                tt = _('Cover size: %dx%d pixels') % \
+                (pm.width(), pm.height())
+            self.setToolTip(tt)
+
+        return property(fget=fget, fset=fset)
+
+    def commit(self, db, id_):
+        if self.changed:
+            if self.current_val:
+                db.set_cover(id_, self.current_val, notify=False, commit=False)
+            else:
+                db.remove_cover(id_, notify=False, commit=False)
+        return True
+
+# }}}
+
+class CommentsEdit(Editor): # {{{
+
+    @dynamic_property
+    def current_val(self):
+        def fget(self):
+            return self.html
+        def fset(self, val):
+            if not val or not val.strip():
+                val = ''
+            else:
+                val = comments_to_html(val)
+            self.html = val
+        return property(fget=fget, fset=fset)
+
+    def initialize(self, db, id_):
+        self.current_val = db.comments(id_, index_is_id=True)
+        self.original_val = self.current_val
+
+    def commit(self, db, id_):
+        db.set_comment(id_, self.current_val, notify=False, commit=False)
+        return True
+# }}}
+
+class RatingEdit(QSpinBox): # {{{
+    LABEL = _('&Rating:')
+    TOOLTIP = _('Rating of this book. 0-5 stars')
+
+    def __init__(self, parent):
+        QSpinBox.__init__(self, parent)
+        self.setToolTip(self.TOOLTIP)
+        self.setWhatsThis(self.TOOLTIP)
+        self.setMaximum(5)
+        self.setSuffix(' ' + _('stars'))
+
+    @dynamic_property
+    def current_val(self):
+        def fget(self):
+            return self.value()
+        def fset(self, val):
+            if val is None:
+                val = 0
+            val = int(val)
+            if val < 0:
+                val = 0
+            if val > 5:
+                val = 5
+            self.setValue(val)
+        return property(fget=fget, fset=fset)
+
+    def initialize(self, db, id_):
+        val = db.rating(id_, index_is_id=True)
+        if val > 0:
+            val = int(val/2.)
+        else:
+            val = 0
+        self.current_val = val
+        self.original_val = self.current_val
+
+    def commit(self, db, id_):
+        db.set_rating(id_, 2*self.current_val, notify=False, commit=False)
+        return True
+
+# }}}
+
+class TagsEdit(CompleteLineEdit): # {{{
+    LABEL = _('Ta&gs:')
+    TOOLTIP = '<p>'+_('Tags categorize the book. This is particularly '
+            'useful while searching. <br><br>They can be any words'
+            'or phrases, separated by commas.')
+
+    def __init__(self, parent):
+        CompleteLineEdit.__init__(self, parent)
+        self.setToolTip(self.TOOLTIP)
+        self.setWhatsThis(self.TOOLTIP)
+
+    @dynamic_property
+    def current_val(self):
+        def fget(self):
+            return [x.strip() for x in unicode(self.text()).split(',')]
+        def fset(self, val):
+            if not val:
+                val = []
+            self.setText(', '.join([x.strip() for x in val]))
+        return property(fget=fget, fset=fset)
+
+    def initialize(self, db, id_):
+        tags = db.tags(id_, index_is_id=True)
+        tags = tags.split(',') if tags else []
+        self.current_val = tags
+        self.update_items_cache(db.all_tags())
+        self.original_val = self.current_val
+
+    @property
+    def changed(self):
+        return self.current_val != self.original_val
+
+    def edit(self, db, id_):
+        if self.changed:
+            if question_dialog(self, _('Tags changed'),
+                    _('You have changed the tags. In order to use the tags'
+                       ' editor, you must either discard or apply these '
+                       'changes'), show_copy_button=False,
+                    buttons=QMessageBox.Apply|QMessageBox.Discard,
+                    yes_button=QMessageBox.Apply):
+                self.commit(db, id_)
+                db.commit()
+                self.original_val = self.current_val
+            else:
+                self.current_val = self.original_val
+        d = TagEditor(self, db, id_)
+        if d.exec_() == TagEditor.Accepted:
+            self.current_val = d.tags
+            self.update_items_cache(db.all_tags())
+
+
+    def commit(self, db, id_):
+        db.set_tags(id_, self.current_val, notify=False, commit=False)
+        return True
+
+# }}}
+
+class ISBNEdit(QLineEdit): # {{{
+    LABEL = _('IS&BN:')
+
+    def __init__(self, parent):
+        QLineEdit.__init__(self, parent)
+        self.pat = re.compile(r'[^0-9a-zA-Z]')
+        self.textChanged.connect(self.validate)
+
+    @dynamic_property
+    def current_val(self):
+        def fget(self):
+            return self.pat.sub('', unicode(self.text()).strip())
+        def fset(self, val):
+            if not val:
+                val = ''
+            self.setText(val.strip())
+        return property(fget=fget, fset=fset)
+
+    def initialize(self, db, id_):
+        self.current_val = db.isbn(id_, index_is_id=True)
+        self.original_val = self.current_val
+
+    def commit(self, db, id_):
+        db.set_isbn(id_, self.current_val, notify=False, commit=False)
+        return True
+
+    def validate(self, *args):
+        isbn = self.current_val
+        tt = _('This ISBN number is valid')
+        if not isbn:
+            col = 'rgba(0,255,0,0%)'
+        elif check_isbn(isbn) is not None:
+            col = 'rgba(0,255,0,20%)'
+        else:
+            col = 'rgba(255,0,0,20%)'
+            tt = _('This ISBN number is invalid')
+        self.setToolTip(tt)
+        self.setStyleSheet('QLineEdit { background-color: %s }'%col)
+
+# }}}
+
+class PublisherEdit(EnComboBox): # {{{
+    LABEL = _('&Publisher:')
+
+    def __init__(self, parent):
+        EnComboBox.__init__(self, parent)
+        self.setSizeAdjustPolicy(
+                self.AdjustToMinimumContentsLengthWithIcon)
+
+    @dynamic_property
+    def current_val(self):
+
+        def fget(self):
+            return unicode(self.currentText()).strip()
+
+        def fset(self, val):
+            if not val:
+                val = ''
+            self.setEditText(val.strip())
+            self.setCursorPosition(0)
+
+        return property(fget=fget, fset=fset)
+
+    def initialize(self, db, id_):
+        all_publishers = db.all_publishers()
+        all_publishers.sort(key=lambda x : sort_key(x[1]))
+        publisher_id = db.publisher_id(id_, index_is_id=True)
+        idx, c = None, 0
+        for i in all_publishers:
+            id, name = i
+            if id == publisher_id:
+                idx = c
+            self.addItem(name)
+            c += 1
+
+        self.setEditText('')
+        if idx is not None:
+            self.setCurrentIndex(idx)
+
+    def commit(self, db, id_):
+        db.set_publisher(id_, self.current_val, notify=False, commit=False)
+        return True
+
+# }}}
+
+
diff --git a/src/calibre/gui2/metadata/single.py b/src/calibre/gui2/metadata/single.py
index de59e8075d..2256816091 100644
--- a/src/calibre/gui2/metadata/single.py
+++ b/src/calibre/gui2/metadata/single.py
@@ -5,924 +5,17 @@ __license__   = 'GPL v3'
 __copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'
 __docformat__ = 'restructuredtext en'
 
-import textwrap, re, os
 
-from PyQt4.Qt import QDialogButtonBox, Qt, QTabWidget, QScrollArea, \
-    QVBoxLayout, QIcon, QToolButton, QWidget, QLabel, QGridLayout, \
-    QDoubleSpinBox, QListWidgetItem, QSize, pyqtSignal, QPixmap, \
-    QSplitter, QPushButton, QGroupBox, QHBoxLayout, QSpinBox, \
-    QMessageBox, QLineEdit
+from PyQt4.Qt import Qt, QVBoxLayout, QHBoxLayout, QWidget, \
+        QGridLayout, pyqtSignal, QDialogButtonBox, QScrollArea, \
+        QTabWidget, QIcon, QToolButton, QSplitter, QGroupBox
 
-from calibre.gui2 import ResizableDialog, file_icon_provider, \
-        choose_files, error_dialog, choose_images, question_dialog
-from calibre.utils.icu import sort_key
-from calibre.utils.config import tweaks
-from calibre.gui2.widgets import EnLineEdit, CompleteComboBox, \
-        EnComboBox, FormatList, ImageView, CompleteLineEdit
-from calibre.ebooks.metadata import title_sort, authors_to_string, \
-        string_to_authors, check_isbn
-from calibre.utils.date import local_tz
-from calibre import strftime
-from calibre.ebooks import BOOK_EXTENSIONS
-from calibre.customize.ui import run_plugins_on_import
-from calibre.utils.date import utcfromtimestamp
-from calibre.gui2.comments_editor import Editor
-from calibre.library.comments import comments_to_html
-from calibre.gui2.dialogs.tag_editor import TagEditor
-
-'''
-The interface common to all widgets used to set basic metadata
-class BasicMetadataWidget(object):
-
-    LABEL = "label text"
-
-    def initialize(self, db, id_):
-        pass
-
-    def commit(self, db, id_):
-        return True
-
-    @dynamic_property
-    def current_val(self):
-        # Present in most but not all basic metadata widgets
-        def fget(self):
-            return None
-        def fset(self, val):
-            pass
-        return property(fget=fget, fset=fset)
-'''
-
-# Title {{{
-class TitleEdit(EnLineEdit):
-
-    TITLE_ATTR = 'title'
-    COMMIT = True
-    TOOLTIP = _('Change the title of this book')
-    LABEL = _('&Title:')
-
-    def __init__(self, parent):
-        self.dialog = parent
-        EnLineEdit.__init__(self, parent)
-        self.setToolTip(self.TOOLTIP)
-        self.setWhatsThis(self.TOOLTIP)
-
-    def get_default(self):
-        return _('Unknown')
-
-    def initialize(self, db, id_):
-        title = getattr(db, self.TITLE_ATTR)(id_, index_is_id=True)
-        self.current_val = title
-        self.original_val = self.current_val
-
-    def commit(self, db, id_):
-        title = self.current_val
-        if self.COMMIT:
-            getattr(db, 'set_', self.TITLE_ATTR)(id_, title, notify=False)
-        else:
-            getattr(db, 'set_', self.TITLE_ATTR)(id_, title, notify=False,
-                    commit=False)
-        return True
-
-    @dynamic_property
-    def current_val(self):
-
-        def fget(self):
-            title = unicode(self.text()).strip()
-            if not title:
-                title = self.get_default()
-            return title
-
-        def fset(self, val):
-            if hasattr(val, 'strip'):
-                val = val.strip()
-            if not val:
-                val = self.get_default()
-            self.setText(val)
-            self.setCursorPosition(0)
-
-        return property(fget=fget, fset=fset)
-
-class TitleSortEdit(TitleEdit):
-
-    TITLE_ATTR = 'title_sort'
-    COMMIT = False
-    TOOLTIP = _('Specify how this book should be sorted when by title.'
-            ' For example, The Exorcist might be sorted as Exorcist, The.')
-    LABEL = _('Title &sort:')
-
-    def __init__(self, parent, title_edit, autogen_button):
-        TitleEdit.__init__(self, parent)
-        self.title_edit = title_edit
-
-        base = self.TOOLTIP
-        ok_tooltip = '<p>' + textwrap.fill(base+'<br><br>'+
-                            _(' The green color indicates that the current '
-                              'title sort matches the current title'))
-        bad_tooltip = '<p>'+textwrap.fill(base + '<br><br>'+
-                _(' The red color warns that the current '
-                  'title sort does not match the current title. '
-                  'No action is required if this is what you want.'))
-        self.tooltips = (ok_tooltip, bad_tooltip)
-
-        self.title_edit.textChanged.connect(self.update_state)
-        self.textChanged.connect(self.update_state)
-
-        autogen_button.clicked.connect(self.auto_generate)
-        self.update_state()
-
-    def update_state(self, *args):
-        ts = title_sort(self.title_edit.current_val)
-        normal = ts == self.current_val
-        if normal:
-            col = 'rgb(0, 255, 0, 20%)'
-        else:
-            col = 'rgb(255, 0, 0, 20%)'
-        self.setStyleSheet('QLineEdit { color: black; '
-                              'background-color: %s; }'%col)
-        tt = self.tooltips[0 if normal else 1]
-        self.setToolTip(tt)
-        self.setWhatsThis(tt)
-
-    def auto_generate(self, *args):
-        self.current_val = title_sort(self.title_edit.current_val)
-
-# }}}
-
-# Authors {{{
-class AuthorsEdit(CompleteComboBox):
-
-    TOOLTIP = ''
-    LABEL = _('&Author(s):')
-
-    def __init__(self, parent):
-        self.dialog = parent
-        CompleteComboBox.__init__(self, parent)
-        self.setToolTip(self.TOOLTIP)
-        self.setWhatsThis(self.TOOLTIP)
-        self.setEditable(True)
-        self.setSizeAdjustPolicy(self.AdjustToMinimumContentsLengthWithIcon)
-
-    def get_default(self):
-        return _('Unknown')
-
-    def initialize(self, db, id_):
-        all_authors = db.all_authors()
-        all_authors.sort(key=lambda x : sort_key(x[1]))
-        for i in all_authors:
-            id, name = i
-            name = [name.strip().replace('|', ',') for n in name.split(',')]
-            self.addItem(authors_to_string(name))
-
-        self.set_separator('&')
-        self.set_space_before_sep(True)
-        self.update_items_cache(db.all_author_names())
-
-        au = db.authors(id_, index_is_id=True)
-        if not au:
-            au = _('Unknown')
-        self.current_val = [a.strip().replace('|', ',') for a in au.split(',')]
-        self.original_val = self.current_val
-
-    def commit(self, db, id_):
-        authors = self.current_val
-        db.set_authors(id_, authors, notify=False)
-        return True
-
-    @dynamic_property
-    def current_val(self):
-
-        def fget(self):
-            au = unicode(self.text()).strip()
-            if not au:
-                au = self.get_default()
-            return string_to_authors(au)
-
-        def fset(self, val):
-            if not val:
-                val = [self.get_default()]
-            self.setEditText(' & '.join([x.strip() for x in val]))
-            self.lineEdit().setCursorPosition(0)
-
-
-        return property(fget=fget, fset=fset)
-
-class AuthorSortEdit(EnLineEdit):
-
-    TOOLTIP = _('Specify how the author(s) of this book should be sorted. '
-            'For example Charles Dickens should be sorted as Dickens, '
-            'Charles.\nIf the box is colored green, then text matches '
-            'the individual author\'s sort strings. If it is colored '
-            'red, then the authors and this text do not match.')
-    LABEL = _('Author s&ort:')
-
-    def __init__(self, parent, authors_edit, autogen_button, db):
-        EnLineEdit.__init__(self, parent)
-        self.authors_edit = authors_edit
-        self.db = db
-
-        base = self.TOOLTIP
-        ok_tooltip = '<p>' + textwrap.fill(base+'<br><br>'+
-                _(' The green color indicates that the current '
-                    'author sort matches the current author'))
-        bad_tooltip = '<p>'+textwrap.fill(base + '<br><br>'+
-                _(' The red color indicates that the current '
-                    'author sort does not match the current author. '
-                    'No action is required if this is what you want.'))
-        self.tooltips = (ok_tooltip, bad_tooltip)
-
-        self.authors_edit.editTextChanged.connect(self.update_state)
-        self.textChanged.connect(self.update_state)
-
-        autogen_button.clicked.connect(self.auto_generate)
-        self.update_state()
-
-    @dynamic_property
-    def current_val(self):
-
-        def fget(self):
-            return unicode(self.text()).strip()
-
-        def fset(self, val):
-            if not val:
-                val = ''
-            self.setText(val.strip())
-            self.setCursorPosition(0)
-
-        return property(fget=fget, fset=fset)
-
-    def update_state(self, *args):
-        au = unicode(self.authors_edit.text())
-        au = re.sub(r'\s+et al\.$', '', au)
-        au = self.db.author_sort_from_authors(string_to_authors(au))
-
-        normal = au == self.current_val
-        if normal:
-            col = 'rgb(0, 255, 0, 20%)'
-        else:
-            col = 'rgb(255, 0, 0, 20%)'
-        self.setStyleSheet('QLineEdit { color: black; '
-                              'background-color: %s; }'%col)
-        tt = self.tooltips[0 if normal else 1]
-        self.setToolTip(tt)
-        self.setWhatsThis(tt)
-
-    def auto_generate(self, *args):
-        au = unicode(self.authors_edit.text())
-        au = re.sub(r'\s+et al\.$', '', au)
-        authors = string_to_authors(au)
-        self.current_val = self.db.author_sort_from_authors(authors)
-
-    def initialize(self, db, id_):
-        self.current_val = db.author_sort(id_, index_is_id=True)
-
-    def commit(self, db, id_):
-        aus = self.current_val
-        db.set_author_sort(id_, aus, notify=False, commit=False)
-        return True
-
-# }}}
-
-# Series {{{
-class SeriesEdit(EnComboBox):
-
-    TOOLTIP = _('List of known series. You can add new series.')
-    LABEL = _('&Series:')
-
-    def __init__(self, parent):
-        EnComboBox.__init__(self, parent)
-        self.dialog = parent
-        self.setSizeAdjustPolicy(
-                self.AdjustToMinimumContentsLengthWithIcon)
-        self.setToolTip(self.TOOLTIP)
-        self.setWhatsThis(self.TOOLTIP)
-        self.setEditable(True)
-
-    @dynamic_property
-    def current_val(self):
-
-        def fget(self):
-            return unicode(self.currentText()).strip()
-
-        def fset(self, val):
-            if not val:
-                val = ''
-            self.setEditText(val.strip())
-            self.setCursorPosition(0)
-
-        return property(fget=fget, fset=fset)
-
-    def initialize(self, db, id_):
-        all_series = db.all_series()
-        all_series.sort(key=lambda x : sort_key(x[1]))
-        series_id = db.series_id(id_, index_is_id=True)
-        idx, c = None, 0
-        for i in all_series:
-            id, name = i
-            if id == series_id:
-                idx = c
-            self.addItem(name)
-            c += 1
-
-        self.lineEdit().setText('')
-        if idx is not None:
-            self.setCurrentIndex(idx)
-        self.original_val = self.current_val
-
-    def commit(self, db, id_):
-        series = self.current_val
-        db.set_series(id_, series, notify=False, commit=True)
-        return True
-
-class SeriesIndexEdit(QDoubleSpinBox):
-
-    TOOLTIP = ''
-    LABEL = _('&Number:')
-
-    def __init__(self, parent, series_edit):
-        QDoubleSpinBox.__init__(self, parent)
-        self.dialog = parent
-        self.db = self.original_series_name = None
-        self.setMaximum(1000000)
-        self.series_edit = series_edit
-        series_edit.currentIndexChanged.connect(self.enable)
-        series_edit.editTextChanged.connect(self.enable)
-        series_edit.lineEdit().editingFinished.connect(self.increment)
-        self.enable()
-
-    def enable(self, *args):
-        self.setEnabled(bool(self.series_edit.current_val))
-
-    @dynamic_property
-    def current_val(self):
-
-        def fget(self):
-            return self.value()
-
-        def fset(self, val):
-            if val is None:
-                val = 1.0
-            val = float(val)
-            self.setValue(val)
-
-        return property(fget=fget, fset=fset)
-
-    def initialize(self, db, id_):
-        self.db = db
-        if self.series_edit.current_val:
-            val = db.series_index(id_, index_is_id=True)
-        else:
-            val = 1.0
-        self.current_val = val
-        self.original_val = self.current_val
-        self.original_series_name = self.series_edit.original_val
-
-    def commit(self, db, id_):
-        db.set_series_index(id_, self.current_val, notify=False, commit=False)
-        return True
-
-    def increment(self):
-        if self.db is not None:
-            try:
-                series = self.series_edit.current_val
-                if series and series != self.original_series_name:
-                    ns = 1.0
-                    if tweaks['series_index_auto_increment'] != 'const':
-                        ns = self.db.get_next_series_num_for(series)
-                    self.current_val = ns
-                    self.original_series_name = series
-            except:
-                import traceback
-                traceback.print_exc()
-
-
-# }}}
-
-class BuddyLabel(QLabel): # {{{
-
-    def __init__(self, buddy):
-        QLabel.__init__(self, buddy.LABEL)
-        self.setBuddy(buddy)
-        self.setAlignment(Qt.AlignRight|Qt.AlignVCenter)
-# }}}
-
-class Format(QListWidgetItem): # {{{
-
-    def __init__(self, parent, ext, size, path=None, timestamp=None):
-        self.path = path
-        self.ext = ext
-        self.size = float(size)/(1024*1024)
-        text = '%s (%.2f MB)'%(self.ext.upper(), self.size)
-        QListWidgetItem.__init__(self, file_icon_provider().icon_from_ext(ext),
-                                 text, parent, QListWidgetItem.UserType)
-        if timestamp is not None:
-            ts = timestamp.astimezone(local_tz)
-            t = strftime('%a, %d %b %Y [%H:%M:%S]', ts.timetuple())
-            text = _('Last modified: %s')%t
-            self.setToolTip(text)
-            self.setStatusTip(text)
-
-# }}}
-
-class FormatsManager(QWidget): # {{{
-
-    def __init__(self, parent):
-        QWidget.__init__(self, parent)
-        self.dialog = parent
-        self.changed = False
-
-        self.l = l = QGridLayout()
-        self.setLayout(l)
-        self.cover_from_format_button = QToolButton(self)
-        self.cover_from_format_button.setToolTip(
-                _('Set the cover for the book from the selected format'))
-        self.cover_from_format_button.setIcon(QIcon(I('book.png')))
-        self.cover_from_format_button.setIconSize(QSize(32, 32))
-
-        self.metadata_from_format_button = QToolButton(self)
-        self.metadata_from_format_button.setIcon(QIcon(I('edit_input.png')))
-        self.metadata_from_format_button.setIconSize(QSize(32, 32))
-        # TODO: Implement the *_from_format buttons
-
-        self.add_format_button = QToolButton(self)
-        self.add_format_button.setIcon(QIcon(I('add_book.png')))
-        self.add_format_button.setIconSize(QSize(32, 32))
-        self.add_format_button.clicked.connect(self.add_format)
-
-        self.remove_format_button = QToolButton(self)
-        self.remove_format_button.setIcon(QIcon(I('trash.png')))
-        self.remove_format_button.setIconSize(QSize(32, 32))
-        self.remove_format_button.clicked.connect(self.remove_format)
-
-        self.formats = FormatList(self)
-        self.formats.setAcceptDrops(True)
-        self.formats.formats_dropped.connect(self.formats_dropped)
-        self.formats.delete_format.connect(self.remove_format)
-        self.formats.itemDoubleClicked.connect(self.show_format)
-        self.formats.setDragDropMode(self.formats.DropOnly)
-        self.formats.setIconSize(QSize(32, 32))
-        self.formats.setMaximumWidth(200)
-
-        l.addWidget(self.cover_from_format_button,    0, 0, 1, 1)
-        l.addWidget(self.metadata_from_format_button, 2, 0, 1, 1)
-        l.addWidget(self.add_format_button,           0, 2, 1, 1)
-        l.addWidget(self.remove_format_button,        2, 2, 1, 1)
-        l.addWidget(self.formats,                     0, 1, 3, 1)
-
-
-
-    def initialize(self, db, id_):
-        self.changed = False
-        exts = db.formats(id_, index_is_id=True)
-        if exts:
-            exts = exts.split(',')
-            for ext in exts:
-                if not ext:
-                    ext = ''
-                size = db.sizeof_format(id_, ext, index_is_id=True)
-                timestamp = db.format_last_modified(id_, ext)
-                if size is None:
-                    continue
-                Format(self.formats, ext, size, timestamp=timestamp)
-
-    def commit(self, db, id_):
-        if not self.changed:
-            return True
-        old_extensions, new_extensions, paths = set(), set(), {}
-        for row in range(self.formats.count()):
-            fmt = self.formats.item(row)
-            ext, path = fmt.ext.lower(), fmt.path
-            if 'unknown' in ext.lower():
-                ext = None
-            if path:
-                new_extensions.add(ext)
-                paths[ext] = path
-            else:
-                old_extensions.add(ext)
-        for ext in new_extensions:
-            db.add_format(id_, ext, open(paths[ext], 'rb'), notify=False,
-                    index_is_id=True)
-        db_extensions = set([f.lower() for f in db.formats(id_,
-            index_is_id=True).split(',')])
-        extensions = new_extensions.union(old_extensions)
-        for ext in db_extensions:
-            if ext not in extensions:
-                db.remove_format(id_, ext, notify=False, index_is_id=True)
-
-        self.changed = False
-        return True
-
-    def add_format(self, *args):
-        files = choose_files(self, 'add formats dialog',
-                             _("Choose formats for ") +
-                             self.dialog.title.current_val,
-                             [(_('Books'), BOOK_EXTENSIONS)])
-        self._add_formats(files)
-
-    def _add_formats(self, paths):
-        added = False
-        if not paths:
-            return added
-        bad_perms = []
-        for _file in paths:
-            _file = os.path.abspath(_file)
-            if not os.access(_file, os.R_OK):
-                bad_perms.append(_file)
-                continue
-
-            nfile = run_plugins_on_import(_file)
-            if nfile is not None:
-                _file = nfile
-            stat = os.stat(_file)
-            size = stat.st_size
-            ext = os.path.splitext(_file)[1].lower().replace('.', '')
-            timestamp = utcfromtimestamp(stat.st_mtime)
-            for row in range(self.formats.count()):
-                fmt = self.formats.item(row)
-                if fmt.ext.lower() == ext:
-                    self.formats.takeItem(row)
-                    break
-            Format(self.formats, ext, size, path=_file, timestamp=timestamp)
-            self.changed = True
-            added = True
-        if bad_perms:
-            error_dialog(self, _('No permission'),
-                    _('You do not have '
-                'permission to read the following files:'),
-                det_msg='\n'.join(bad_perms), show=True)
-
-        return added
-
-    def formats_dropped(self, event, paths):
-        if self._add_formats(paths):
-            event.accept()
-
-    def remove_format(self, *args):
-        rows = self.formats.selectionModel().selectedRows(0)
-        for row in rows:
-            self.formats.takeItem(row.row())
-            self.changed = True
-
-    def show_format(self, item, *args):
-        fmt = item.ext
-        self.dialog.view_format.emit(fmt)
-
-# }}}
-
-class Cover(ImageView): # {{{
-
-    def __init__(self, parent):
-        ImageView.__init__(self, parent)
-        self.dialog = parent
-        self._cdata = None
-        self.cover_changed.connect(self.set_pixmap_from_data)
-
-        self.select_cover_button = QPushButton(QIcon(I('document_open.png')),
-                _('&Browse'), parent)
-        self.trim_cover_button = QPushButton(QIcon(I('trim.png')),
-                _('T&rim'), parent)
-        self.remove_cover_button = QPushButton(QIcon(I('trash.png')),
-            _('&Remove'), parent)
-
-        self.select_cover_button.clicked.connect(self.select_cover)
-        self.remove_cover_button.clicked.connect(self.remove_cover)
-        self.trim_cover_button.clicked.connect(self.trim_cover)
-
-        self.download_cover_button = QPushButton(_('Download co&ver'), parent)
-        self.generate_cover_button = QPushButton(_('&Generate cover'), parent)
-
-        self.download_cover_button.clicked.connect(self.download_cover)
-        self.generate_cover_button.clicked.connect(self.generate_cover)
-
-        self.buttons = [self.select_cover_button, self.remove_cover_button,
-                self.trim_cover_button, self.download_cover_button,
-                self.generate_cover_button]
-
-    def select_cover(self, *args):
-        files = choose_images(self, 'change cover dialog',
-                             _('Choose cover for ') +
-                             self.dialog.title.current_val)
-        if not files:
-            return
-        _file = files[0]
-        if _file:
-            _file = os.path.abspath(_file)
-            if not os.access(_file, os.R_OK):
-                d = error_dialog(self, _('Cannot read'),
-                        _('You do not have permission to read the file: ') + _file)
-                d.exec_()
-                return
-            cf, cover = None, None
-            try:
-                cf = open(_file, "rb")
-                cover = cf.read()
-            except IOError, e:
-                d = error_dialog(self, _('Error reading file'),
-                        _("<p>There was an error reading from file: <br /><b>")
-                        + _file + "</b></p><br />"+str(e))
-                d.exec_()
-            if cover:
-                orig = self.current_val
-                self.current_val = cover
-                if self.current_val is None:
-                    self.current_val = orig
-                    error_dialog(self,
-                        _("Not a valid picture"),
-                            _file + _(" is not a valid picture"), show=True)
-
-    def remove_cover(self, *args):
-        self.current_val = None
-
-    def trim_cover(self, *args):
-        from calibre.utils.magick import Image
-        cdata = self.current_val
-        if not cdata:
-            return
-        im = Image()
-        im.load(cdata)
-        im.trim(10)
-        cdata = im.export('png')
-        self.current_val = cdata
-
-    def download_cover(self, *args):
-        pass # TODO: Implement this
-
-    def generate_cover(self, *args):
-        from calibre.ebooks import calibre_cover
-        from calibre.ebooks.metadata import fmt_sidx
-        from calibre.gui2 import config
-        title = self.dialog.title.current_val
-        author = authors_to_string(self.dialog.authors.current_val)
-        if not title or not author:
-            return error_dialog(self, _('Specify title and author'),
-                    _('You must specify a title and author before generating '
-                        'a cover'), show=True)
-        series = self.dialog.series.current_val
-        series_string = None
-        if series:
-            series_string = _('Book %s of %s')%(
-                    fmt_sidx(self.dialog.series_index.current_val,
-                    use_roman=config['use_roman_numerals_for_series_number']), series)
-        self.current_val = calibre_cover(title, author,
-                series_string=series_string)
-
-    def set_pixmap_from_data(self, data):
-        if not data:
-            self.current_val = None
-            return
-        orig = self.current_val
-        self.current_val = data
-        if self.current_val is None:
-            error_dialog(self, _('Invalid cover'),
-                    _('Could not change cover as the image is invalid.'),
-                    show=True)
-            self.current_val = orig
-
-    def initialize(self, db, id_):
-        self._cdata = None
-        self.current_val = db.cover(id_, index_is_id=True)
-        self.original_val = self.current_val
-
-    @property
-    def changed(self):
-        return self.current_val != self.original_val
-
-    @dynamic_property
-    def current_val(self):
-        def fget(self):
-            return self._cdata
-        def fset(self, cdata):
-            self._cdata = None
-            pm = QPixmap()
-            if cdata:
-                pm.loadFromData(cdata)
-            if pm.isNull():
-                pm = QPixmap(I('default_cover.png'))
-            else:
-                self._cdata = cdata
-            self.setPixmap(pm)
-            tt = _('This book has no cover')
-            if self._cdata:
-                tt = _('Cover size: %dx%d pixels') % \
-                (pm.width(), pm.height())
-            self.setToolTip(tt)
-
-        return property(fget=fget, fset=fset)
-
-    def commit(self, db, id_):
-        if self.changed:
-            if self.current_val:
-                db.set_cover(id_, self.current_val, notify=False, commit=False)
-            else:
-                db.remove_cover(id_, notify=False, commit=False)
-        return True
-
-# }}}
-
-class CommentsEdit(Editor): # {{{
-
-    @dynamic_property
-    def current_val(self):
-        def fget(self):
-            return self.html
-        def fset(self, val):
-            if not val or not val.strip():
-                val = ''
-            else:
-                val = comments_to_html(val)
-            self.html = val
-        return property(fget=fget, fset=fset)
-
-    def initialize(self, db, id_):
-        self.current_val = db.comments(id_, index_is_id=True)
-        self.original_val = self.current_val
-
-    def commit(self, db, id_):
-        db.set_comment(id_, self.current_val, notify=False, commit=False)
-        return True
-# }}}
-
-class RatingEdit(QSpinBox): # {{{
-    LABEL = _('&Rating:')
-    TOOLTIP = _('Rating of this book. 0-5 stars')
-
-    def __init__(self, parent):
-        QSpinBox.__init__(self, parent)
-        self.setToolTip(self.TOOLTIP)
-        self.setWhatsThis(self.TOOLTIP)
-        self.setMaximum(5)
-        self.setSuffix(' ' + _('stars'))
-
-    @dynamic_property
-    def current_val(self):
-        def fget(self):
-            return self.value()
-        def fset(self, val):
-            if val is None:
-                val = 0
-            val = int(val)
-            if val < 0:
-                val = 0
-            if val > 5:
-                val = 5
-            self.setValue(val)
-        return property(fget=fget, fset=fset)
-
-    def initialize(self, db, id_):
-        val = db.rating(id_, index_is_id=True)
-        if val > 0:
-            val = int(val/2.)
-        else:
-            val = 0
-        self.current_val = val
-        self.original_val = self.current_val
-
-    def commit(self, db, id_):
-        db.set_rating(id_, 2*self.current_val, notify=False, commit=False)
-        return True
-
-# }}}
-
-class TagsEdit(CompleteLineEdit): # {{{
-    LABEL = _('Ta&gs:')
-    TOOLTIP = '<p>'+_('Tags categorize the book. This is particularly '
-            'useful while searching. <br><br>They can be any words'
-            'or phrases, separated by commas.')
-
-    def __init__(self, parent):
-        CompleteLineEdit.__init__(self, parent)
-        self.setToolTip(self.TOOLTIP)
-        self.setWhatsThis(self.TOOLTIP)
-
-    @dynamic_property
-    def current_val(self):
-        def fget(self):
-            return [x.strip() for x in unicode(self.text()).split(',')]
-        def fset(self, val):
-            if not val:
-                val = []
-            self.setText(', '.join([x.strip() for x in val]))
-        return property(fget=fget, fset=fset)
-
-    def initialize(self, db, id_):
-        tags = db.tags(id_, index_is_id=True)
-        tags = tags.split(',') if tags else []
-        self.current_val = tags
-        self.update_items_cache(db.all_tags())
-        self.original_val = self.current_val
-
-    @property
-    def changed(self):
-        return self.current_val != self.original_val
-
-    def edit(self, db, id_):
-        if self.changed:
-            if question_dialog(self, _('Tags changed'),
-                    _('You have changed the tags. In order to use the tags'
-                       ' editor, you must either discard or apply these '
-                       'changes'), show_copy_button=False,
-                    buttons=QMessageBox.Apply|QMessageBox.Discard,
-                    yes_button=QMessageBox.Apply):
-                self.commit(db, id_)
-                db.commit()
-                self.original_val = self.current_val
-            else:
-                self.current_val = self.original_val
-        d = TagEditor(self, db, id_)
-        if d.exec_() == TagEditor.Accepted:
-            self.current_val = d.tags
-            self.update_items_cache(db.all_tags())
-
-
-    def commit(self, db, id_):
-        db.set_tags(id_, self.current_val, notify=False, commit=False)
-        return True
-
-# }}}
-
-class ISBNEdit(QLineEdit): # {{{
-    LABEL = _('IS&BN:')
-
-    def __init__(self, parent):
-        QLineEdit.__init__(self, parent)
-        self.pat = re.compile(r'[^0-9a-zA-Z]')
-        self.textChanged.connect(self.validate)
-
-    @dynamic_property
-    def current_val(self):
-        def fget(self):
-            return self.pat.sub('', unicode(self.text()).strip())
-        def fset(self, val):
-            if not val:
-                val = ''
-            self.setText(val.strip())
-        return property(fget=fget, fset=fset)
-
-    def initialize(self, db, id_):
-        self.current_val = db.isbn(id_, index_is_id=True)
-        self.original_val = self.current_val
-
-    def commit(self, db, id_):
-        db.set_isbn(id_, self.current_val, notify=False, commit=False)
-        return True
-
-    def validate(self, *args):
-        isbn = self.current_val
-        tt = _('This ISBN number is valid')
-        if not isbn:
-            col = 'rgba(0,255,0,0%)'
-        elif check_isbn(isbn) is not None:
-            col = 'rgba(0,255,0,20%)'
-        else:
-            col = 'rgba(255,0,0,20%)'
-            tt = _('This ISBN number is invalid')
-        self.setToolTip(tt)
-        self.setStyleSheet('QLineEdit { background-color: %s }'%col)
-
-# }}}
-
-class PublisherEdit(EnComboBox): # {{{
-    LABEL = _('&Publisher:')
-
-    def __init__(self, parent):
-        EnComboBox.__init__(self, parent)
-        self.setSizeAdjustPolicy(
-                self.AdjustToMinimumContentsLengthWithIcon)
-
-    @dynamic_property
-    def current_val(self):
-
-        def fget(self):
-            return unicode(self.currentText()).strip()
-
-        def fset(self, val):
-            if not val:
-                val = ''
-            self.setEditText(val.strip())
-            self.setCursorPosition(0)
-
-        return property(fget=fget, fset=fset)
-
-    def initialize(self, db, id_):
-        all_publishers = db.all_publishers()
-        all_publishers.sort(key=lambda x : sort_key(x[1]))
-        publisher_id = db.publisher_id(id_, index_is_id=True)
-        idx, c = None, 0
-        for i in all_publishers:
-            id, name = i
-            if id == publisher_id:
-                idx = c
-            self.addItem(name)
-            c += 1
-
-        self.setEditText('')
-        if idx is not None:
-            self.setCurrentIndex(idx)
-
-    def commit(self, db, id_):
-        db.set_publisher(id_, self.current_val, notify=False, commit=False)
-        return True
-
-# }}}
+from calibre.ebooks.metadata import authors_to_string, string_to_authors
+from calibre.gui2 import ResizableDialog
+from calibre.gui2.metadata.basic_widgets import TitleEdit, AuthorsEdit, \
+    AuthorSortEdit, TitleSortEdit, SeriesEdit, SeriesIndexEdit, ISBNEdit, \
+    RatingEdit, PublisherEdit, TagsEdit, FormatsManager, Cover, CommentsEdit, \
+    BuddyLabel
 
 class MetadataSingleDialog(ResizableDialog):
 

From 96be6e90351041cac47cb5f17efc4fd1cd9d672b Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Thu, 20 Jan 2011 16:03:54 -0700
Subject: [PATCH 14/14] Basic metadata widgets layout complete

---
 src/calibre/gui2/metadata/basic_widgets.py | 67 ++++++++++++++++++++--
 src/calibre/gui2/metadata/single.py        | 35 +++++++++--
 2 files changed, 92 insertions(+), 10 deletions(-)

diff --git a/src/calibre/gui2/metadata/basic_widgets.py b/src/calibre/gui2/metadata/basic_widgets.py
index eb162ac9d5..5d37e854da 100644
--- a/src/calibre/gui2/metadata/basic_widgets.py
+++ b/src/calibre/gui2/metadata/basic_widgets.py
@@ -7,11 +7,10 @@ __docformat__ = 'restructuredtext en'
 
 import textwrap, re, os
 
-from PyQt4.Qt import Qt, \
+from PyQt4.Qt import Qt, QDateEdit, QDate, \
     QIcon, QToolButton, QWidget, QLabel, QGridLayout, \
     QDoubleSpinBox, QListWidgetItem, QSize, QPixmap, \
-    QPushButton, QSpinBox, \
-    QMessageBox, QLineEdit
+    QPushButton, QSpinBox, QMessageBox, QLineEdit
 
 from calibre.gui2.widgets import EnLineEdit, CompleteComboBox, \
         EnComboBox, FormatList, ImageView, CompleteLineEdit
@@ -19,9 +18,9 @@ from calibre.utils.icu import sort_key
 from calibre.utils.config import tweaks
 from calibre.ebooks.metadata import title_sort, authors_to_string, \
         string_to_authors, check_isbn
-from calibre.gui2 import file_icon_provider, \
+from calibre.gui2 import file_icon_provider, UNDEFINED_QDATE, UNDEFINED_DATE, \
         choose_files, error_dialog, choose_images, question_dialog
-from calibre.utils.date import local_tz
+from calibre.utils.date import local_tz, qt_to_dt
 from calibre import strftime
 from calibre.ebooks import BOOK_EXTENSIONS
 from calibre.customize.ui import run_plugins_on_import
@@ -924,4 +923,62 @@ class PublisherEdit(EnComboBox): # {{{
 
 # }}}
 
+class DateEdit(QDateEdit): # {{{
 
+    TOOLTIP = ''
+    LABEL = _('&Date:')
+    FMT = 'd MMM yyyy'
+    ATTR = 'timestamp'
+
+    def __init__(self, parent):
+        QDateEdit.__init__(self, parent)
+        self.setToolTip(self.TOOLTIP)
+        self.setWhatsThis(self.TOOLTIP)
+        fmt = self.FMT
+        if fmt is None:
+            fmt = tweaks['gui_pubdate_display_format']
+            if fmt is None:
+                fmt = 'MMM yyyy'
+        self.setDisplayFormat(fmt)
+        self.setCalendarPopup(True)
+        self.setMinimumDate(UNDEFINED_QDATE)
+        self.setSpecialValueText(_('Undefined'))
+        self.clear_button = QToolButton(parent)
+        self.clear_button.setIcon(QIcon(I('trash.png')))
+        self.clear_button.setToolTip(_('Clear date'))
+        self.clear_button.clicked.connect(self.reset_date)
+
+    def reset_date(self, *args):
+        self.current_val = None
+
+    @dynamic_property
+    def current_val(self):
+        def fget(self):
+            return qt_to_dt(self.date())
+        def fset(self, val):
+            if val is None:
+                val = UNDEFINED_DATE
+            self.setDate(QDate(val.year, val.month, val.day))
+        return property(fget=fget, fset=fset)
+
+    def initialize(self, db, id_):
+        self.current_val = getattr(db, self.ATTR)(id_, index_is_id=True)
+        self.original_val = self.current_val
+
+    def commit(self, db, id_):
+        if self.changed:
+            getattr(db, 'set_'+self.ATTR)(id_, self.current_val, commit=False,
+                notify=False)
+        return True
+
+    @property
+    def changed(self):
+        o, c = self.original_val, self.current_val
+        return o.year != c.year or o.month != c.month or o.day != c.day
+
+class PubdateEdit(DateEdit):
+    LABEL = _('Publishe&d:')
+    FMT = None
+    ATTR = 'pubdate'
+
+# }}}
diff --git a/src/calibre/gui2/metadata/single.py b/src/calibre/gui2/metadata/single.py
index 2256816091..730e5f10b6 100644
--- a/src/calibre/gui2/metadata/single.py
+++ b/src/calibre/gui2/metadata/single.py
@@ -6,16 +6,17 @@ __copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'
 __docformat__ = 'restructuredtext en'
 
 
-from PyQt4.Qt import Qt, QVBoxLayout, QHBoxLayout, QWidget, \
-        QGridLayout, pyqtSignal, QDialogButtonBox, QScrollArea, \
-        QTabWidget, QIcon, QToolButton, QSplitter, QGroupBox
+from PyQt4.Qt import Qt, QVBoxLayout, QHBoxLayout, QWidget, QPushButton, \
+        QGridLayout, pyqtSignal, QDialogButtonBox, QScrollArea, QFont, \
+        QTabWidget, QIcon, QToolButton, QSplitter, QGroupBox, QSpacerItem, \
+        QSizePolicy
 
 from calibre.ebooks.metadata import authors_to_string, string_to_authors
 from calibre.gui2 import ResizableDialog
 from calibre.gui2.metadata.basic_widgets import TitleEdit, AuthorsEdit, \
     AuthorSortEdit, TitleSortEdit, SeriesEdit, SeriesIndexEdit, ISBNEdit, \
     RatingEdit, PublisherEdit, TagsEdit, FormatsManager, Cover, CommentsEdit, \
-    BuddyLabel
+    BuddyLabel, DateEdit, PubdateEdit
 
 class MetadataSingleDialog(ResizableDialog):
 
@@ -119,6 +120,17 @@ class MetadataSingleDialog(ResizableDialog):
         self.publisher = PublisherEdit(self)
         self.basic_metadata_widgets.append(self.publisher)
 
+        self.timestamp = DateEdit(self)
+        self.pubdate = PubdateEdit(self)
+        self.basic_metadata_widgets.extend([self.timestamp, self.pubdate])
+
+        self.fetch_metadata_button = QPushButton(
+                _('&Fetch metadata from server'), self)
+        self.fetch_metadata_button.clicked.connect(self.fetch_metadata)
+        font = self.fmb_font = QFont()
+        font.setBold(True)
+        self.fetch_metadata_button.setFont(font)
+
     # }}}
 
     def do_layout(self): # {{{
@@ -172,6 +184,7 @@ class MetadataSingleDialog(ResizableDialog):
         l.setMargin(0)
         self.splitter.addWidget(w)
         def create_row2(row, widget, button=None):
+            row += 1
             ql = BuddyLabel(widget)
             l.addWidget(ql, row, 0, 1, 1)
             l.addWidget(widget, row, 1, 1, 2 if button is None else 1)
@@ -179,10 +192,19 @@ class MetadataSingleDialog(ResizableDialog):
                 l.addWidget(button, row, 2, 1, 1)
 
         l.addWidget(gb, 0, 0, 1, 3)
+        self.tabs[0].spc_one = QSpacerItem(10, 10, QSizePolicy.Expanding,
+                QSizePolicy.Expanding)
+        l.addItem(self.tabs[0].spc_one, 1, 0, 1, 3)
         create_row2(1, self.rating)
         create_row2(2, self.tags, self.tags_editor_button)
         create_row2(3, self.isbn)
-        create_row2(4, self.publisher)
+        create_row2(4, self.timestamp, self.timestamp.clear_button)
+        create_row2(5, self.pubdate, self.pubdate.clear_button)
+        create_row2(6, self.publisher)
+        self.tabs[0].spc_two = QSpacerItem(10, 10, QSizePolicy.Expanding,
+                QSizePolicy.Expanding)
+        l.addItem(self.tabs[0].spc_two, 8, 0, 1, 3)
+        l.addWidget(self.fetch_metadata_button, 9, 0, 1, 3)
 
         self.tabs[0].gb2 = gb = QGroupBox(_('&Comments'), self)
         gb.l = l = QVBoxLayout()
@@ -219,6 +241,9 @@ class MetadataSingleDialog(ResizableDialog):
     def tags_editor(self, *args):
         self.tags.edit(self.db, self.book_id)
 
+    def fetch_metadata(self, *args):
+        pass # TODO: fetch metadata
+
 
 if __name__ == '__main__':
     from PyQt4.Qt import QApplication