from django.db import models
from django.contrib.contenttypes.models import ContentType
from django.contrib.contenttypes import generic
-from django.utils import simplejson as json
from django.core.exceptions import ObjectDoesNotExist
+from django.core.validators import RegexValidator
+from django.utils import simplejson as json
+from django.utils.encoding import smart_str
from philo.exceptions import AncestorDoesNotExist
from philo.models.fields import JSONField
from philo.utils import ContentTypeRegistryLimiter, ContentTypeSubclassLimiter
class Meta:
app_label = 'philo'
+ ordering = ('name',)
class Titled(models.Model):
def attribute(self):
return self.attribute_set.all()[0]
- def apply_data(self, data):
+ def set_value(self, value):
raise NotImplementedError
- def value_formfield(self, **kwargs):
+ def value_formfields(self, **kwargs):
+ """Define any formfields that would be used to construct an instance of this value."""
+ raise NotImplementedError
+
+ def construct_instance(self, **kwargs):
+ """Apply cleaned data from the formfields generated by valid_formfields to oneself."""
raise NotImplementedError
def __unicode__(self):
class JSONValue(AttributeValue):
- value = JSONField() #verbose_name='Value (JSON)', help_text='This value must be valid JSON.')
+ value = JSONField(verbose_name='Value (JSON)', help_text='This value must be valid JSON.', default='null')
def __unicode__(self):
- return self.value_json
+ return smart_str(self.value)
+
+ def value_formfields(self):
+ kwargs = {'initial': self.value_json}
+ field = self._meta.get_field('value')
+ return {field.name: field.formfield(**kwargs)}
- def value_formfield(self, **kwargs):
- kwargs['initial'] = self.value_json
- return self._meta.get_field('value').formfield(**kwargs)
+ def construct_instance(self, **kwargs):
+ field_name = self._meta.get_field('value').name
+ self.set_value(kwargs.pop(field_name, None))
- def apply_data(self, cleaned_data):
- self.value = cleaned_data.get('value', None)
+ def set_value(self, value):
+ self.value = value
class Meta:
app_label = 'philo'
object_id = models.PositiveIntegerField(verbose_name='Value ID', null=True, blank=True)
value = generic.GenericForeignKey()
- def value_formfield(self, form_class=forms.ModelChoiceField, **kwargs):
- if self.content_type is None:
- return None
- kwargs.update({'initial': self.object_id, 'required': False})
- return form_class(self.content_type.model_class()._default_manager.all(), **kwargs)
-
- def apply_data(self, cleaned_data):
- if 'value' in cleaned_data and cleaned_data['value'] is not None:
- self.value = cleaned_data['value']
- else:
- self.content_type = cleaned_data.get('content_type', None)
- # If there is no value set in the cleaned data, clear the stored value.
+ def value_formfields(self):
+ field = self._meta.get_field('content_type')
+ fields = {field.name: field.formfield(initial=getattr(self.content_type, 'pk', None))}
+
+ if self.content_type:
+ kwargs = {
+ 'initial': self.object_id,
+ 'required': False,
+ 'queryset': self.content_type.model_class()._default_manager.all()
+ }
+ fields['value'] = forms.ModelChoiceField(**kwargs)
+ return fields
+
+ def construct_instance(self, **kwargs):
+ field_name = self._meta.get_field('content_type').name
+ ct = kwargs.pop(field_name, None)
+ if ct is None or ct != self.content_type:
self.object_id = None
+ self.content_type = ct
+ else:
+ value = kwargs.pop('value', None)
+ self.set_value(value)
+ if value is None:
+ self.content_type = ct
+
+ def set_value(self, value):
+ self.value = value
class Meta:
app_label = 'philo'
value = property(get_value, set_value)
- def value_formfield(self, form_class=forms.ModelMultipleChoiceField, **kwargs):
- if self.content_type is None:
- return None
- kwargs.update({'initial': self.get_object_id_list(), 'required': False})
- return form_class(self.content_type.model_class()._default_manager.all(), **kwargs)
-
- def apply_data(self, cleaned_data):
- if 'value' in cleaned_data and cleaned_data['value'] is not None:
- self.value = cleaned_data['value']
+ def value_formfields(self):
+ field = self._meta.get_field('content_type')
+ fields = {field.name: field.formfield(initial=getattr(self.content_type, 'pk', None))}
+
+ if self.content_type:
+ kwargs = {
+ 'initial': self.get_object_id_list(),
+ 'required': False,
+ 'queryset': self.content_type.model_class()._default_manager.all()
+ }
+ fields['value'] = forms.ModelMultipleChoiceField(**kwargs)
+ return fields
+
+ def construct_instance(self, **kwargs):
+ field_name = self._meta.get_field('content_type').name
+ ct = kwargs.pop(field_name, None)
+ if ct is None or ct != self.content_type:
+ self.values.clear()
+ self.content_type = ct
else:
- self.content_type = cleaned_data.get('content_type', None)
- # If there is no value set in the cleaned data, clear the stored value.
- self.value = []
+ value = kwargs.get('value', self.content_type.model_class()._default_manager.none())
+ self.set_value(value)
+ construct_instance.alters_data = True
class Meta:
app_label = 'philo'
value_object_id = models.PositiveIntegerField(verbose_name='Value ID', null=True, blank=True)
value = generic.GenericForeignKey('value_content_type', 'value_object_id')
- key = models.CharField(max_length=255)
+ key = models.CharField(max_length=255, validators=[RegexValidator("\w+")], help_text="Must contain one or more alphanumeric characters or underscores.")
def __unicode__(self):
return u'"%s": %s' % (self.key, self.value)
def attributes(self):
return QuerySetMapper(self.attribute_set.all())
- @property
- def _added_attribute_registry(self):
- if not hasattr(self, '_real_added_attribute_registry'):
- self._real_added_attribute_registry = {}
- return self._real_added_attribute_registry
-
- @property
- def _removed_attribute_registry(self):
- if not hasattr(self, '_real_removed_attribute_registry'):
- self._real_removed_attribute_registry = []
- return self._real_removed_attribute_registry
-
- def save(self, *args, **kwargs):
- super(Entity, self).save(*args, **kwargs)
-
- for key in self._removed_attribute_registry:
- self.attribute_set.filter(key__exact=key).delete()
- del self._removed_attribute_registry[:]
-
- for field, value in self._added_attribute_registry.items():
- try:
- attribute = self.attribute_set.get(key__exact=field.key)
- except Attribute.DoesNotExist:
- attribute = Attribute()
- attribute.entity = self
- attribute.key = field.key
-
- field.set_attribute_value(attribute, value)
- attribute.save()
- self._added_attribute_registry.clear()
-
class Meta:
abstract = True
git.ithinksw.org / philo.git / blobdiff