Cutlery/calibre
1
0
Fork 0
mirror of https://github.com/kovidgoyal/calibre.git synced 2025-07-09 03:04:10 -04:00
Code Issues Packages Projects Releases Wiki Activity

Plugin config: Allow config widget to indicate that configuration cannot be carried out

Browse Source
This commit is contained in:
Kovid Goyal 2011-02-13 07:43:16 -07:00
parent fa7f9fed9e
commit 6f99e31f81
1 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
src/calibre/customize/__init__.py
View File

@ -90,6 +90,11 @@ class Plugin(object): # {{{
an optional method validate() that takes no arguments and is called an optional method validate() that takes no arguments and is called
immediately after the user clicks OK. Changes are applied if and only immediately after the user clicks OK. Changes are applied if and only
if the method returns True. if the method returns True.
If for some reason you cannot perform the configuration at this time,
return a tuple of two strings (message, details), these will be
displayed as a warning dialog to the user and the process will be
aborted.
''' '''
raise NotImplementedError() raise NotImplementedError()
@ -133,6 +138,12 @@ class Plugin(object): # {{{
except NotImplementedError: except NotImplementedError:
config_widget = None config_widget = None
if isinstance(config_widget, tuple):
from calibre.gui2 import warning_dialog
warning_dialog(parent, _('Cannot configure'), config_widget[0],
det_msg=config_widget[1], show=True)
return False
if config_widget is not None: if config_widget is not None:
v.addWidget(config_widget) v.addWidget(config_widget)
v.addWidget(button_box) v.addWidget(button_box)