def _handle_history(self, kwargs):
if kwargs['filename'] == self.filename:
id_ = kwargs['id_']
# The history event may have effects also on target and backlinks
backlinks = links_api.find_back_links(self.filename, id_)
target = links_api.find_link_target(self.filename, id_)
if target is False:
rbits = 3 if len(backlinks) > 0 else 0
# Find any possible old target and update it
# This fixes for example the case of undoing the linking
# of an item to another, which wouldn't update the tree
# icon of the old target because this function would be
# called *after* removing the link, so the old target
# would not be retrievable through a database query
old_target = links_api.get_last_known_target(
self.filename, id_)
if old_target is not None:
self._reset_item_no_tree_update(old_target)
elif target is None:
rbits = 5 if len(backlinks) > 0 else 2
else:
rbits = 4 if len(backlinks) > 0 else 1
target_target = links_api.find_link_target(
self.filename, target)
if target_target is False:
target_rbits = 3
elif target_target is None:
target_rbits = 5
else:
target_rbits = 4
self._update_item_no_tree_update(target, target_rbits)
self._update_item_no_tree_update(id_, rbits)
for blink in backlinks:
blink_backlinks = links_api.find_back_links(
self.filename, blink)
blink_rbits = 4 if len(blink_backlinks) > 0 else 1
self._update_item_no_tree_update(blink, blink_rbits)
def _handle_upsert_link(self, kwargs):
if kwargs['filename'] == self.filename:
id_ = kwargs['id_']
target = kwargs['target']
oldtarget = kwargs['oldtarget']
backlinks = links_api.find_back_links(self.filename, id_)
target_target = links_api.find_link_target(self.filename, target)
if target is None:
rbits = 5 if len(backlinks) > 0 else 2
else:
rbits = 4 if len(backlinks) > 0 else 1
if target_target is False:
target_rbits = 3
elif target_target is None:
target_rbits = 5
else:
target_rbits = 4
self._update_item(id_, rbits)
if target is not None:
self._update_item(target, target_rbits)
# oldtarget may not exist anymore
if oldtarget is not False and core_api.is_item(self.filename,
oldtarget):
self._reset_item(oldtarget)
def _handle_upsert_link(self, kwargs):
if kwargs['filename'] == self.filename:
id_ = kwargs['id_']
target = kwargs['target']
oldtarget = kwargs['oldtarget']
backlinks = links_api.find_back_links(self.filename, id_)
target_target = links_api.find_link_target(self.filename, target)
if target is None:
rbits = 5 if len(backlinks) > 0 else 2
else:
rbits = 4 if len(backlinks) > 0 else 1
if target_target is False:
target_rbits = 3
elif target_target is None:
target_rbits = 5
else:
target_rbits = 4
self._update_item(id_, rbits)
if target is not None:
self._update_item(target, target_rbits)
# oldtarget may not exist anymore
if oldtarget is not False and core_api.is_item(
self.filename, oldtarget):
self._reset_item(oldtarget)
def _handle_history(self, kwargs):
if kwargs['filename'] == self.filename:
id_ = kwargs['id_']
# The history event may have effects also on target and backlinks
backlinks = links_api.find_back_links(self.filename, id_)
target = links_api.find_link_target(self.filename, id_)
if target is False:
rbits = 3 if len(backlinks) > 0 else 0
# Find any possible old target and update it
# This fixes for example the case of undoing the linking
# of an item to another, which wouldn't update the tree
# icon of the old target because this function would be
# called *after* removing the link, so the old target
# would not be retrievable through a database query
old_target = links_api.get_last_known_target(self.filename, id_)
if old_target is not None:
self._reset_item_no_tree_update(old_target)
elif target is None:
rbits = 5 if len(backlinks) > 0 else 2
else:
rbits = 4 if len(backlinks) > 0 else 1
target_target = links_api.find_link_target(self.filename,
target)
if target_target is False:
target_rbits = 3
elif target_target is None:
target_rbits = 5
else:
target_rbits = 4
self._update_item_no_tree_update(target, target_rbits)
self._update_item_no_tree_update(id_, rbits)
for blink in backlinks:
blink_backlinks = links_api.find_back_links(self.filename,
blink)
blink_rbits = 4 if len(blink_backlinks) > 0 else 1
self._update_item_no_tree_update(blink, blink_rbits)
def _compute_rbits(self, id_):
backlinks = links_api.find_back_links(self.filename, id_)
target = links_api.find_link_target(self.filename, id_)
if target is False:
rbits = 3 if len(backlinks) > 0 else 0
elif target is None:
rbits = 5 if len(backlinks) > 0 else 2
else:
rbits = 4 if len(backlinks) > 0 else 1
return rbits
def _handle_break_links(self, kwargs):
if kwargs['filename'] == self.filename:
for id_ in kwargs['ids']:
backlinks = links_api.find_back_links(self.filename, id_)
rbits = 5 if len(backlinks) > 0 else 2
self._update_item(id_, rbits)
oldtarget = kwargs['oldtarget']
# oldtarget may not exist anymore
if core_api.is_item(self.filename, oldtarget):
self._reset_item(oldtarget)
def _compute_rbits(self, id_):
backlinks = links_api.find_back_links(self.filename, id_)
target = links_api.find_link_target(self.filename, id_)
if target is False:
rbits = 3 if len(backlinks) > 0 else 0
elif target is None:
rbits = 5 if len(backlinks) > 0 else 2
else:
rbits = 4 if len(backlinks) > 0 else 1
return rbits
def _handle_break_links(self, kwargs):
if kwargs['filename'] == self.filename:
for id_ in kwargs['ids']:
backlinks = links_api.find_back_links(self.filename, id_)
rbits = 5 if len(backlinks) > 0 else 2
self._update_item(id_, rbits)
oldtarget = kwargs['oldtarget']
# oldtarget may not exist anymore
if core_api.is_item(self.filename, oldtarget):
self._reset_item(oldtarget)
def _handle_delete_link(self, kwargs):
if kwargs['filename'] == self.filename:
id_ = kwargs['id_']
backlinks = links_api.find_back_links(self.filename, id_)
rbits = 3 if len(backlinks) > 0 else 0
# id_ may not exist anymore
if core_api.is_item(self.filename, id_):
self._update_item(id_, rbits)
oldtarget = kwargs['oldtarget']
# oldtarget may not exist anymore
if core_api.is_item(self.filename, oldtarget):
self._reset_item(oldtarget)
def _handle_delete_link(self, kwargs):
if kwargs['filename'] == self.filename:
id_ = kwargs['id_']
backlinks = links_api.find_back_links(self.filename, id_)
rbits = 3 if len(backlinks) > 0 else 0
# id_ may not exist anymore
if core_api.is_item(self.filename, id_):
self._update_item(id_, rbits)
oldtarget = kwargs['oldtarget']
# oldtarget may not exist anymore
if core_api.is_item(self.filename, oldtarget):
self._reset_item(oldtarget)