Added AttributeForm to elegantly handle all the fields that should be displayed in...

[philo.git] / forms.py

diff --git a/forms.py b/forms.py
index 0e034df..c864f31 100644 (file)
--- a/forms.py
+++ b/forms.py
@@ -7,7 +7,7 @@ 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
+from philo.models import Entity, Template, Contentlet, ContentReference, Attribute
 from philo.utils import fattr
 
 
@@ -95,6 +95,35 @@ class EntityForm(EntityFormBase): # Would inherit from ModelForm directly if it
                return instance
 
 
+class AttributeForm(ModelForm):
+       def __init__(self, *args, **kwargs):
+               super(AttributeForm, self).__init__(*args, **kwargs)
+               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):
+               instance = super(AttributeForm, self).save(*args, **kwargs)
+               
+               if self.cleaned_data['value_content_type'] != self.instance.value_content_type:
+                       if self.instance.value is not None:
+                               self.instance.value.delete()
+                               del(self.cleaned_data['value'])
+               elif 'content_type' in self.cleaned_data and self.cleaned_data['content_type'] != self.instance.value.content_type:
+                       self.instance.value.content_type = self.cleaned_data['content_type']
+                       self.instance.value.save()
+               elif 'value' in self.cleaned_data:
+                       self.instance.set_value(self.cleaned_data['value'])
+               
+               return instance
+       
+       class Meta:
+               model = Attribute
+
+
 class ContainerForm(ModelForm):
        def __init__(self, *args, **kwargs):
                super(ContainerForm, self).__init__(*args, **kwargs)