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Edit Book: When dragging and dropping files to re-order them in the file browser, fix the final order being dependent on the order the files were selected in. Fixes #1440598 [Edit Book: Inverted order of files after drag and drop](https://bugs.launchpad.net/calibre/+bug/1440598)

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This commit is contained in:
Kovid Goyal 2015-04-06 11:59:03 +05:30
parent a73d813da4
commit c9cf3066e8
1 changed files with 32 additions and 16 deletions
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48
src/calibre/gui2/tweak_book/file_list.py
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@ -155,6 +155,7 @@ class FileList(QTreeWidget):
def __init__(self, parent=None):
QTreeWidget.__init__(self, parent)
self.ordered_selected_indexes = False
pi = plugins['progress_indicator'][0]
if hasattr(pi, 'set_no_activate_on_click'):
pi.set_no_activate_on_click(self)
@ -556,23 +557,38 @@ class FileList(QTreeWidget):
b.setValue(b.minimum())
QTimer.singleShot(0, lambda : b.setValue(b.maximum()))
def __enter__(self):
self.ordered_selected_indexes = True
def __exit__(self, *args):
self.ordered_selected_indexes = False
def selectedIndexes(self):
ans = QTreeWidget.selectedIndexes(self)
if self.ordered_selected_indexes:
# The reverse is needed because Qt's implementation of dropEvent
# reverses the selectedIndexes when dropping.
ans = list(sorted(ans, key=lambda idx:idx.row(), reverse=True))
return ans
def dropEvent(self, event):
text = self.categories['text']
pre_drop_order = {text.child(i):i for i in xrange(text.childCount())}
super(FileList, self).dropEvent(event)
current_order = {text.child(i):i for i in xrange(text.childCount())}
if current_order != pre_drop_order:
order = []
for child in (text.child(i) for i in xrange(text.childCount())):
name = unicode(child.data(0, NAME_ROLE) or '')
linear = bool(child.data(0, LINEAR_ROLE))
order.append([name, linear])
# Ensure that all non-linear items are at the end, any non-linear
# items not at the end will be made linear
for i, (name, linear) in tuple(enumerate(order)):
if not linear and i < len(order) - 1 and order[i+1][1]:
order[i][1] = True
self.reorder_spine.emit(order)
with self:
text = self.categories['text']
pre_drop_order = {text.child(i):i for i in xrange(text.childCount())}
super(FileList, self).dropEvent(event)
current_order = {text.child(i):i for i in xrange(text.childCount())}
if current_order != pre_drop_order:
order = []
for child in (text.child(i) for i in xrange(text.childCount())):
name = unicode(child.data(0, NAME_ROLE) or '')
linear = bool(child.data(0, LINEAR_ROLE))
order.append([name, linear])
# Ensure that all non-linear items are at the end, any non-linear
# items not at the end will be made linear
for i, (name, linear) in tuple(enumerate(order)):
if not linear and i < len(order) - 1 and order[i+1][1]:
order[i][1] = True
self.reorder_spine.emit(order)
def item_double_clicked(self, item, column):
category = unicode(item.data(0, CATEGORY_ROLE) or '')