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Implement #3509 (Ability to delete books by file format)
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Kovid Goyal
parent
12871ae8ce
commit
4d7697817f
@ -385,6 +385,7 @@ def initialize_file_icon_provider():
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def file_icon_provider():
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global _file_icon_provider
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initialize_file_icon_provider()
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return _file_icon_provider
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class FileDialog(QObject):
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77
src/calibre/gui2/dialogs/select_formats.py
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77
src/calibre/gui2/dialogs/select_formats.py
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@ -0,0 +1,77 @@
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#!/usr/bin/env python
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# vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
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from __future__ import with_statement
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__license__ = 'GPL v3'
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__copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'
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__docformat__ = 'restructuredtext en'
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from PyQt4.Qt import QVBoxLayout, QDialog, QLabel, QDialogButtonBox, Qt, \
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QAbstractListModel, QVariant, QListView, QSize
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from calibre.gui2 import NONE, file_icon_provider
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class Formats(QAbstractListModel):
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def __init__(self, fmts):
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QAbstractListModel.__init__(self)
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self.fmts = sorted(fmts)
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self.fi = file_icon_provider()
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def rowCount(self, parent):
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return len(self.fmts)
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def data(self, index, role):
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row = index.row()
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if role == Qt.DisplayRole:
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return QVariant(self.fmts[row].upper())
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if role == Qt.DecorationRole:
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return QVariant(self.fi.icon_from_ext(self.fmts[row].lower()))
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return NONE
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def flags(self, index):
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return Qt.ItemIsSelectable|Qt.ItemIsEnabled
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def fmt(self, idx):
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return self.fmts[idx.row()]
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class SelectFormats(QDialog):
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def __init__(self, fmt_list, msg, single=False, parent=None):
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QDialog.__init__(self, parent)
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self._l = QVBoxLayout(self)
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self.setLayout(self._l)
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self.setWindowTitle(_('Choose formats'))
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self._m = QLabel(msg)
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self._m.setWordWrap = True
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self._l.addWidget(self._m)
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self.formats = Formats(fmt_list)
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self.fview = QListView(self)
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self._l.addWidget(self.fview)
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self.fview.setModel(self.formats)
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self.fview.setSelectionMode(self.fview.SingleSelection if single else
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self.fview.MultiSelection)
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self.bbox = \
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QDialogButtonBox(QDialogButtonBox.Ok|QDialogButtonBox.Cancel,
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Qt.Horizontal, self)
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self._l.addWidget(self.bbox)
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self.bbox.accepted.connect(self.accept)
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self.bbox.rejected.connect(self.reject)
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self.fview.setIconSize(QSize(48, 48))
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self.fview.setSpacing(2)
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self.resize(350, 500)
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self.selected_formats = set([])
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def accept(self, *args):
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for idx in self.fview.selectedIndexes():
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self.selected_formats.add(self.formats.fmt(idx))
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QDialog.accept(self, *args)
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if __name__ == '__main__':
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from PyQt4.Qt import QApplication
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app = QApplication([])
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d = SelectFormats(['epub', 'lrf', 'lit', 'mobi'], 'Choose a format')
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d.exec_()
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print d.selected_formats
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@ -314,6 +314,16 @@ class Main(MainWindow, Ui_MainWindow, DeviceGUI):
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self.view_menu.addAction(_('View'))
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self.view_menu.addAction(_('View specific format'))
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self.action_view.setMenu(self.view_menu)
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self.delete_menu = QMenu()
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self.delete_menu.addAction(_('Remove selected books'))
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self.delete_menu.addAction(
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_('Remove files of a specific format from selected books..'))
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self.delete_menu.addAction(
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_('Remove all formats from selected books, except...'))
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self.delete_menu.addAction(
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_('Remove covers from selected books'))
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self.action_del.setMenu(self.delete_menu)
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QObject.connect(self.action_save, SIGNAL("triggered(bool)"),
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self.save_to_disk)
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QObject.connect(self.save_menu.actions()[0], SIGNAL("triggered(bool)"),
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@ -330,6 +340,11 @@ class Main(MainWindow, Ui_MainWindow, DeviceGUI):
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SIGNAL("triggered(bool)"), self.view_specific_format)
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self.connect(self.action_open_containing_folder,
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SIGNAL('triggered(bool)'), self.view_folder)
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self.delete_menu.actions()[0].triggered.connect(self.delete_books)
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self.delete_menu.actions()[1].triggered.connect(self.delete_selected_formats)
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self.delete_menu.actions()[2].triggered.connect(self.delete_all_but_selected_formats)
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self.delete_menu.actions()[3].triggered.connect(self.delete_covers)
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self.action_open_containing_folder.setShortcut(Qt.Key_O)
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self.addAction(self.action_open_containing_folder)
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self.action_sync.setShortcut(Qt.Key_D)
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@ -376,6 +391,8 @@ class Main(MainWindow, Ui_MainWindow, DeviceGUI):
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setPopupMode(QToolButton.MenuButtonPopup)
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self.tool_bar.widgetForAction(self.action_view).\
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setPopupMode(QToolButton.MenuButtonPopup)
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self.tool_bar.widgetForAction(self.action_del).\
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setPopupMode(QToolButton.MenuButtonPopup)
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self.tool_bar.widgetForAction(self.action_preferences).\
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setPopupMode(QToolButton.MenuButtonPopup)
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self.tool_bar.setContextMenuPolicy(Qt.PreventContextMenu)
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@ -987,7 +1004,72 @@ class Main(MainWindow, Ui_MainWindow, DeviceGUI):
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############################################################################
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############################### Delete books ###############################
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def delete_books(self, checked):
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def _get_selected_formats(self, msg):
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from calibre.gui2.dialogs.select_formats import SelectFormats
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fmts = self.library_view.model().db.all_formats()
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d = SelectFormats([x.lower() for x in fmts], msg, parent=self)
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if d.exec_() != d.Accepted:
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return None
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return d.selected_formats
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def _get_selected_ids(self, err_title=_('Cannot delete')):
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rows = self.library_view.selectionModel().selectedRows()
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if not rows or len(rows) == 0:
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d = error_dialog(self, err_title, _('No book selected'))
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d.exec_()
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return set([])
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return set(map(self.library_view.model().id, rows))
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def delete_selected_formats(self, *args):
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ids = self._get_selected_ids()
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if not ids:
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return
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fmts = self._get_selected_formats(
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_('Choose formats to be deleted'))
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if not fmts:
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return
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for id in ids:
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for fmt in fmts:
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self.library_view.model().db.remove_format(id, fmt,
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index_is_id=True, notify=False)
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self.library_view.model().refresh_ids(ids)
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self.library_view.model().current_changed(self.library_view.currentIndex(),
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self.library_view.currentIndex())
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def delete_all_but_selected_formats(self, *args):
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ids = self._get_selected_ids()
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if not ids:
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return
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fmts = self._get_selected_formats(
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'<p>'+_('Choose formats <b>not</b> to be deleted'))
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if fmts is None:
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return
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for id in ids:
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bfmts = self.library_view.model().db.formats(id, index_is_id=True)
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if bfmts is None:
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continue
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bfmts = set([x.lower() for x in bfmts.split(',')])
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rfmts = bfmts - set(fmts)
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for fmt in rfmts:
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self.library_view.model().db.remove_format(id, fmt,
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index_is_id=True, notify=False)
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self.library_view.model().refresh_ids(ids)
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self.library_view.model().current_changed(self.library_view.currentIndex(),
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self.library_view.currentIndex())
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def delete_covers(self, *args):
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ids = self._get_selected_ids()
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if not ids:
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return
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for id in ids:
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self.library_view.model().db.remove_cover(id)
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self.library_view.model().refresh_ids(ids)
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self.library_view.model().current_changed(self.library_view.currentIndex(),
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self.library_view.currentIndex())
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def delete_books(self, *args):
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'''
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Delete selected books from device or library.
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'''
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@ -1599,6 +1681,8 @@ class Main(MainWindow, Ui_MainWindow, DeviceGUI):
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self.action_sync.setEnabled(True)
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self.status_bar.tag_view_button.setEnabled(True)
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self.status_bar.cover_flow_button.setEnabled(True)
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for action in list(self.delete_menu.actions())[1:]:
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action.setEnabled(True)
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else:
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self.action_edit.setEnabled(False)
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self.action_convert.setEnabled(False)
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@ -1607,6 +1691,8 @@ class Main(MainWindow, Ui_MainWindow, DeviceGUI):
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self.action_sync.setEnabled(False)
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self.status_bar.tag_view_button.setEnabled(False)
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self.status_bar.cover_flow_button.setEnabled(False)
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for action in list(self.delete_menu.actions())[1:]:
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action.setEnabled(False)
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def device_job_exception(self, job):
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@ -865,6 +865,11 @@ class LibraryDatabase2(LibraryDatabase):
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path = os.path.join(self.library_path, self.path(id, index_is_id=True), 'cover.jpg')
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return os.access(path, os.R_OK)
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def remove_cover(self, id):
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path = os.path.join(self.library_path, self.path(id, index_is_id=True), 'cover.jpg')
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if os.path.exists(path):
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os.remove(path)
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def set_cover(self, id, data):
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'''
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Set the cover for this book.
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