from django import forms
from django.contrib.admin.widgets import AdminTextareaWidget
+from django.contrib.contenttypes.generic import BaseGenericInlineFormSet
+from django.contrib.contenttypes.models import ContentType
from django.core.exceptions import ValidationError, ObjectDoesNotExist
from django.db.models import Q
from django.forms.models import model_to_dict, fields_for_model, ModelFormMetaclass, ModelForm, BaseInlineFormSet
from django.template import loader, loader_tags, TemplateDoesNotExist, Context, Template as DjangoTemplate
from django.utils.datastructures import SortedDict
from philo.admin.widgets import ModelLookupWidget
-from philo.models import Entity, Template, Contentlet, ContentReference
-from philo.models.fields import RelationshipField
+from philo.models import Entity, Template, Contentlet, ContentReference, Attribute, Node, NodeNavigationOverride
from philo.utils import fattr
ignored = []
opts = entity_model._entity_meta
for f in opts.proxy_fields:
+ if not f.editable:
+ continue
if fields and not f.name in fields:
continue
if exclude and f.name in exclude:
instance = super(EntityForm, self).save(commit=False)
for f in instance._entity_meta.proxy_fields:
+ if not f.editable or not f.name in cleaned_data:
+ continue
if self._meta.fields and f.name not in self._meta.fields:
continue
+ if self._meta.exclude and f.name in self._meta.exclude:
+ continue
setattr(instance, f.attname, cleaned_data[f.name])
if commit:
return instance
+class AttributeForm(ModelForm):
+ def __init__(self, *args, **kwargs):
+ super(AttributeForm, self).__init__(*args, **kwargs)
+
+ # This is necessary because model forms store changes to self.instance in their clean method.
+ # Mutter mutter.
+ self._cached_value_ct = self.instance.value_content_type
+ self._cached_value = self.instance.value
+
+ if self.instance.value is not None:
+ value_field = self.instance.value.value_formfield()
+ if value_field:
+ self.fields['value'] = value_field
+ if hasattr(self.instance.value, 'content_type'):
+ self.fields['content_type'] = self.instance.value._meta.get_field('content_type').formfield(initial=getattr(self.instance.value.content_type, 'pk', None))
+
+ def save(self, *args, **kwargs):
+ # At this point, the cleaned_data has already been stored on self.instance.
+ if self.instance.value_content_type != self._cached_value_ct:
+ if self.instance.value is not None:
+ self._cached_value.delete()
+ if 'value' in self.cleaned_data:
+ del(self.cleaned_data['value'])
+
+ if self.instance.value_content_type is not None:
+ # Make a blank value of the new type! Run special code for content_type attributes.
+ if hasattr(self.instance.value_content_type.model_class(), 'content_type'):
+ if self._cached_value and hasattr(self._cached_value, 'content_type'):
+ new_ct = self._cached_value.content_type
+ else:
+ new_ct = None
+ new_value = self.instance.value_content_type.model_class().objects.create(content_type=new_ct)
+ else:
+ new_value = self.instance.value_content_type.model_class().objects.create()
+
+ new_value.apply_data(self.cleaned_data)
+ new_value.save()
+ self.instance.value = new_value
+ else:
+ # The value type is the same, but one of the fields has changed.
+ # Check to see if the changed value was the content type. We have to check the
+ # cleaned_data because self.instance.value.content_type was overridden.
+ if hasattr(self.instance.value, 'content_type') and 'content_type' in self.cleaned_data and 'value' in self.cleaned_data and (not hasattr(self._cached_value, 'content_type') or self._cached_value.content_type != self.cleaned_data['content_type']):
+ self.cleaned_data['value'] = None
+
+ self.instance.value.apply_data(self.cleaned_data)
+ self.instance.value.save()
+
+ super(AttributeForm, self).save(*args, **kwargs)
+ return self.instance
+
+ class Meta:
+ model = Attribute
+
+
+class AttributeInlineFormSet(BaseGenericInlineFormSet):
+ "Necessary to force the GenericInlineFormset to use the form's save method for new objects."
+ def save_new(self, form, commit):
+ setattr(form.instance, self.ct_field.get_attname(), ContentType.objects.get_for_model(self.instance).pk)
+ setattr(form.instance, self.ct_fk_field.get_attname(), self.instance.pk)
+ return form.save()
+
+
class ContainerForm(ModelForm):
def __init__(self, *args, **kwargs):
super(ContainerForm, self).__init__(*args, **kwargs)
name, content_type = self.extra_containers[i - self.initial_form_count() - 1]
kwargs['instance'] = self.model(name=name, content_type=content_type)
- return super(ContentReferenceInlineFormSet, self)._construct_form(i, **kwargs)
\ No newline at end of file
+ return super(ContentReferenceInlineFormSet, self)._construct_form(i, **kwargs)
+
+
+class NodeWithOverrideForm(forms.ModelForm):
+ title = NodeNavigationOverride._meta.get_field('title').formfield()
+ url = NodeNavigationOverride._meta.get_field('url').formfield()
+ child_navigation = NodeNavigationOverride._meta.get_field('child_navigation').formfield(required=False)
+
+ def __init__(self, *args, **kwargs):
+ super(NodeWithOverrideForm, self).__init__(*args, **kwargs)
+ if self.instance.pk:
+ self._override = override = self.get_override(self.instance)
+ self.initial.update({
+ 'title': override.title,
+ 'url': override.url,
+ 'child_navigation': override.child_navigation_json
+ })
+
+ def get_override(self, instance):
+ try:
+ return NodeNavigationOverride.objects.get(parent=self.instance.parent, child=self.instance)
+ except NodeNavigationOverride.DoesNotExist:
+ override = NodeNavigationOverride(parent=self.instance.parent, child=self.instance)
+ override.child_navigation = None
+ return override
+
+ def save(self, commit=True):
+ obj = super(NodeWithOverrideForm, self).save(commit)
+ cleaned_data = self.cleaned_data
+ override = self.get_override(obj)
+
+ # Override information should only be set if there was no previous override or if the
+ # information was just manually set - i.e. was not equal to the data on the cached override.
+ if not override.pk or cleaned_data['title'] != self._override.title or cleaned_data['url'] != self._override.url or cleaned_data['child_navigation'] != self._override.child_navigation:
+ override.title = self.cleaned_data['title']
+ override.url = self.cleaned_data['url']
+ override.child_navigation = self.cleaned_data['child_navigation']
+ override.save()
+ return obj
+
+ class Meta:
+ model = Node
+
+
+class NodeOverrideInlineFormSet(BaseInlineFormSet):
+ def __init__(self, data=None, files=None, instance=None, save_as_new=False, prefix=None, queryset=None):
+ if queryset is None:
+ queryset = self.model._default_manager
+ queryset = queryset.filter(parent=instance, child__parent=instance)
+ super(NodeOverrideInlineFormSet, self).__init__(data, files, instance, save_as_new, prefix, queryset)
+
+ def add_fields(self, form, index):
+ super(NodeOverrideInlineFormSet, self).add_fields(form, index)
+ form.fields['child'].queryset = self.instance.children.all()
\ No newline at end of file