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Edit metadata dialog: If a permission denied error occurs when clicking the next or prev buttons, stay on the current book. Fixes #986903 (Changes lost when permission denied to edit metadata)

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This commit is contained in:
Kovid Goyal 2012-04-22 22:08:43 +05:30
parent fad11b46ee
commit d6c7ce3d7d
1 changed files with 12 additions and 3 deletions
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15
src/calibre/gui2/metadata/single.py
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@ -8,7 +8,6 @@ __copyright__ = '2011, Kovid Goyal <kovid@kovidgoyal.net>'
__docformat__ = 'restructuredtext en'
import os, errno
from functools import partial
from datetime import datetime
from PyQt4.Qt import (Qt, QVBoxLayout, QHBoxLayout, QWidget, QPushButton,
@ -66,14 +65,14 @@ class MetadataSingleDialogBase(ResizableDialog):
self.next_button = QPushButton(QIcon(I('forward.png')), _('Next'),
self)
self.next_button.setShortcut(QKeySequence('Alt+Right'))
self.next_button.clicked.connect(partial(self.do_one, delta=1))
self.next_button.clicked.connect(self.next_clicked)
self.prev_button = QPushButton(QIcon(I('back.png')), _('Previous'),
self)
self.prev_button.setShortcut(QKeySequence('Alt+Left'))
self.button_box.addButton(self.prev_button, self.button_box.ActionRole)
self.button_box.addButton(self.next_button, self.button_box.ActionRole)
self.prev_button.clicked.connect(partial(self.do_one, delta=-1))
self.prev_button.clicked.connect(self.prev_clicked)
self.scroll_area = QScrollArea(self)
self.scroll_area.setFrameShape(QScrollArea.NoFrame)
@ -479,6 +478,16 @@ class MetadataSingleDialogBase(ResizableDialog):
self.break_cycles()
return ret
def next_clicked(self):
if not self.apply_changes():
return
self.do_one(delta=1, apply_changes=False)
def prev_clicked(self):
if not self.apply_changes():
return
self.do_one(delta=-1, apply_changes=False)
def do_one(self, delta=0, apply_changes=True):
if apply_changes:
self.apply_changes()