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Finally fix the random crash issue when adding books

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This commit is contained in:
Kovid Goyal 2009-10-01 23:13:03 -06:00
parent f4eca6d724
commit bbcb77ab24
1 changed files with 10 additions and 3 deletions
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13
src/calibre/gui2/tag_view.py
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@ -75,6 +75,13 @@ class TagTreeItem(object):
elif self.type == self.TAG:
self.tag, self.icon_map = data, list(map(QVariant, icon_map))
def __str__(self):
if self.type == self.ROOT:
return 'ROOT'
if self.type == self.CATEGORY:
return 'CATEGORY:'+self.name+':%d'%len(self.children)
return 'TAG:'+self.tag.name
def row(self):
if self.parent is not None:
return self.parent.children.index(self)
@ -132,11 +139,12 @@ class TagsModel(QAbstractItemModel):
for tag in data[r]:
t = TagTreeItem(parent=c, data=tag, icon_map=self.icon_map)
self.refresh()
self.db.add_listener(self.database_changed)
self.connect(self, SIGNAL('need_refresh()'), self.refresh,
Qt.QueuedConnection)
def database_changed(self, event, ids):
self.refresh()
self.emit(SIGNAL('need_refresh()'))
def refresh(self):
data = self.db.get_categories(config['sort_by_popularity'])
@ -147,7 +155,6 @@ class TagsModel(QAbstractItemModel):
state_map = dict(izip(names, states))
category_index = self.index(i, 0, QModelIndex())
if len(category.children) > 0:
r, self.rowCount(category_index)
self.beginRemoveRows(category_index, 0,
len(category.children)-1)
category.children = []