def get_containers(self):
try:
return self._flat_containers
except:
try:
c = json_loads(self.containers or "")
except ValueError:
c = {}
r = dict(c.get('_parent_', {}).items())
for (k,v) in c.items():
if k.startswith('_'): continue
if v:
r[k] = v
self._flat_containers = r
return r
def save(self,*args,**kwargs):
try:
if not self.parent and self.slug != DEFAULT_LAYOUT_SLUG:
self.parent = Layout.get()
if self.parent and self.parent != self:
try:
c = json_loads(self.containers or "")
except ValueError:
c = {}
r = dict(self.parent.get_containers().items())
for (k,v) in c.items():
if v:
r[k] = None
del r[k]
if r:
c['_parent_'] = r
self.containers = json_dumps(c)
except:
pass
super(Layout, self).save(*args, **kwargs)
children = Layout.objects.filter(parent=self).exclude(pk=self.pk)
for child in children:
child.save()
