Minor improvements to navigationoverrides, including admin support and working naviga...
[philo.git] / forms.py
index 69273f0..192d02b 100644 (file)
--- a/forms.py
+++ b/forms.py
@@ -1,5 +1,7 @@
 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
@@ -7,7 +9,7 @@ from django.forms.formsets import TOTAL_FORM_COUNT
 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, Attribute
+from philo.models import Entity, Template, Contentlet, ContentReference, Attribute, Node, NodeNavigationOverride
 from philo.utils import fattr
 
 
@@ -19,6 +21,8 @@ def proxy_fields_for_entity_model(entity_model, fields=None, exclude=None, widge
        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:
@@ -84,8 +88,12 @@ class EntityForm(EntityFormBase): # Would inherit from ModelForm directly if it
                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:
@@ -150,6 +158,14 @@ class AttributeForm(ModelForm):
                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)
@@ -321,4 +337,45 @@ class ContentReferenceInlineFormSet(ContainerInlineFormSet):
                        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
\ No newline at end of file