def clean(self):
"""
Perform additional validation of rules regarding the PageLayout's
existence, rather than those validating the PageLayout's data (which
can be handled in PageLayoutAdmin.full_clean).
This is done by calling the validate_layout classmethod on the class
of the proposed layout, passing it the class of the parent's layout.
Unfortunately, this validation only occurs in the admin; it is not
performed when creating Page objects otherwise.
"""
layout_cls = pagemanager_site.get_by_name(self.data['layout'])
try:
parent_cls = self.cleaned_data['parent'].page_layout.__class__
except AttributeError:
parent_cls = None
layout_cls.validate_layout(parent_cls)
return self.cleaned_data
def clean(self):
"""
Perform additional validation of rules regarding the PageLayout's
existence, rather than those validating the PageLayout's data (which
can be handled in PageLayoutAdmin.full_clean).
This is done by calling the validate_layout classmethod on the class
of the proposed layout, passing it the class of the parent's layout.
Unfortunately, this validation only occurs in the admin; it is not
performed when creating Page objects otherwise.
"""
layout_cls = pagemanager_site.get_by_name(self.data['layout'])
try:
parent_cls = self.cleaned_data['parent'].page_layout.__class__
except AttributeError:
parent_cls = None
layout_cls.validate_layout(parent_cls)
return self.cleaned_data
def save_model(self, request, obj, form, change):
"""
Given a model instance, saves it to the database.
Modified to create associations between the Page object and the chosen
PageLayout object on the initial save.
"""
if not obj.pk:
# Create new instance of PostLayout subclass
layout_model = pagemanager_site.get_by_name(request.POST['layout'])
layout = layout_model()
layout.save()
# Associate PostLayout subclass instance with Page
obj.layout_type = ContentType.objects.get_for_model(layout_model)
obj.object_id = layout.pk
obj.save()
signals.page_edited.send(sender=self, page=obj, created=True)
def save_model(self, request, obj, form, change):
"""
Given a model instance, saves it to the database.
Modified to create associations between the Page object and the chosen
PageLayout object on the initial save.
"""
if not obj.pk:
# Create new instance of PostLayout subclass
layout_model = pagemanager_site.get_by_name(request.POST['layout'])
layout = layout_model()
layout.save()
# Associate PostLayout subclass instance with Page
obj.layout_type = ContentType.objects.get_for_model(layout_model)
obj.object_id = layout.pk
obj.save()
signals.page_edited.send(sender=self, page=obj, created=True)