def save(self, force_insert=False, **kwargs):
from rvcms.cms.utils import clean_ranks
# Calculate level
old_level = self.level
if self.parent:
self.level = self.parent.level + 1
else:
self.level = 0
if self.pk:
new_parent = self.parent
old_parent = MenuItem.objects.get(pk=self.pk).parent
if old_parent != new_parent:
# If so, we need to recalculate the new ranks for the item and its siblings (both old and new ones).
if new_parent:
clean_ranks(
new_parent.children()) # Clean ranks for new siblings
self.rank = new_parent.children().count()
super(MenuItem, self).save(
force_insert, **kwargs
) # Save menu item in DB. It has now officially changed parent.
if old_parent:
clean_ranks(
old_parent.children()) # Clean ranks for old siblings
else:
super(MenuItem, self).save(force_insert,
**kwargs) # Save menu item in DB
else: # Saving the menu item for the first time (i.e creating the object)
if not self.has_siblings():
# No siblings - initial rank is 0.
self.rank = 0
else:
# Has siblings - initial rank is highest sibling rank plus 1.
siblings = self.siblings().order_by('-rank')
self.rank = siblings[0].rank + 1
super(MenuItem, self).save(force_insert, **kwargs)
# If level has changed, force children to refresh their own level
if old_level != self.level:
for child in self.children():
child.save(
) # Just saving is enough, it'll refresh its level correctly.
def save(self, force_insert=False, **kwargs):
from rvcms.cms.utils import clean_ranks
# Calculate level
old_level = self.level
if self.parent:
self.level = self.parent.level + 1
else:
self.level = 0
if self.pk:
new_parent = self.parent
old_parent = MenuItem.objects.get(pk=self.pk).parent
if old_parent != new_parent:
# If so, we need to recalculate the new ranks for the item and its siblings (both old and new ones).
if new_parent:
clean_ranks(new_parent.children()) # Clean ranks for new siblings
self.rank = new_parent.children().count()
super(MenuItem, self).save(force_insert, **kwargs) # Save menu item in DB. It has now officially changed parent.
if old_parent:
clean_ranks(old_parent.children()) # Clean ranks for old siblings
else:
super(MenuItem, self).save(force_insert, **kwargs) # Save menu item in DB
else: # Saving the menu item for the first time (i.e creating the object)
if not self.has_siblings():
# No siblings - initial rank is 0.
self.rank = 0
else:
# Has siblings - initial rank is highest sibling rank plus 1.
siblings = self.siblings().order_by('-rank')
self.rank = siblings[0].rank + 1
super(MenuItem, self).save(force_insert, **kwargs)
# If level has changed, force children to refresh their own level
if old_level != self.level:
for child in self.children():
child.save() # Just saving is enough, it'll refresh its level correctly.
def delete(self):
from rvcms.cms.utils import clean_ranks
old_parent = self.parent
super(MenuItem, self).delete()
if old_parent:
clean_ranks(old_parent.children())
def delete(self):
from rvcms.cms.utils import clean_ranks
old_parent = self.parent
super(MenuItem, self).delete()
if old_parent:
clean_ranks(old_parent.children())
