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Add a callback to apply_metadata

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This commit is contained in:
Kovid Goyal 2011-04-24 08:41:25 -06:00
parent 11dc4014e4
commit ea0deda6be
1 changed files with 11 additions and 1 deletions
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12
src/calibre/gui2/actions/edit_metadata.py
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@ -529,13 +529,17 @@ class EditMetadataAction(InterfaceAction):
view.reset() view.reset()
# Apply bulk metadata changes {{{ # Apply bulk metadata changes {{{
def apply_metadata_changes(self, id_map, title=None, msg=''): def apply_metadata_changes(self, id_map, title=None, msg='', callback=None):
''' '''
Apply the metadata changes in id_map to the database synchronously Apply the metadata changes in id_map to the database synchronously
id_map must be a mapping of ids to Metadata objects. Set any fields you id_map must be a mapping of ids to Metadata objects. Set any fields you
do not want updated in the Metadata object to null. An easy way to do do not want updated in the Metadata object to null. An easy way to do
that is to create a metadata object as Metadata(_('Unknown')) and then that is to create a metadata object as Metadata(_('Unknown')) and then
only set the fields you want changed on this object. only set the fields you want changed on this object.
callback can be either None or a function accepting a single argument,
in which case it is called after applying is complete with the list of
changed ids.
''' '''
if title is None: if title is None:
title = _('Applying changed metadata') title = _('Applying changed metadata')
@ -544,6 +548,7 @@ class EditMetadataAction(InterfaceAction):
self.apply_failures = [] self.apply_failures = []
self.applied_ids = [] self.applied_ids = []
self.apply_pd = None self.apply_pd = None
self.apply_callback = callback
if len(self.apply_id_map) > 1: if len(self.apply_id_map) > 1:
from calibre.gui2.dialogs.progress import ProgressDialog from calibre.gui2.dialogs.progress import ProgressDialog
self.apply_pd = ProgressDialog(title, msg, min=0, self.apply_pd = ProgressDialog(title, msg, min=0,
@ -611,6 +616,11 @@ class EditMetadataAction(InterfaceAction):
self.apply_id_map = [] self.apply_id_map = []
self.apply_pd = None self.apply_pd = None
try:
if callable(self.apply_callback):
self.apply_callback(self.applied_ids)
finally:
self.apply_callback = None
# }}} # }}}