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Fix #1901250 [TagTreeItem error in beta](https://bugs.launchpad.net/calibre/+bug/1901250)

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Kovid Goyal 2020-10-24 06:04:01 +05:30
parent cef46ad59f
commit c930bbcf7d
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1 changed files with 12 additions and 8 deletions
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20
src/calibre/gui2/tag_browser/view.py
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@ -858,14 +858,18 @@ class TagsView(QTreeView): # {{{
# Add expand menu items
self.context_menu.addSeparator()
m = self.context_menu.addMenu(_('Expand or collapse'))
node_name = self._model.get_node(index).tag.name
if self.has_children(index) and not self.isExpanded(index):
m.addAction(self.plus_icon,
_('Expand {0}').format(node_name), partial(self.expand, index))
if self.has_unexpanded_children(index):
m.addAction(self.plus_icon,
_('Expand {0} and its children').format(node_name),
partial(self.expand_node_and_children, index))
try:
node_name = self._model.get_node(index).tag.name
except AttributeError:
pass
else:
if self.has_children(index) and not self.isExpanded(index):
m.addAction(self.plus_icon,
_('Expand {0}').format(node_name), partial(self.expand, index))
if self.has_unexpanded_children(index):
m.addAction(self.plus_icon,
_('Expand {0} and its children').format(node_name),
partial(self.expand_node_and_children, index))
# Add menu items to collapse parent nodes
idx = index