X-Git-Url: http://git.ithinksw.org/philo.git/blobdiff_plain/82e22de23b182353e35aa4e2fde0c08f4df5653f..4c276c601b86efbba0236eea2bda190bdff48af1:/models/fields.py diff --git a/models/fields.py b/models/fields.py index 9fc2dfb..dbf1886 100644 --- a/models/fields.py +++ b/models/fields.py @@ -1,8 +1,10 @@ from django.db import models from django import forms from django.core.exceptions import FieldError +from django.utils.text import capfirst from philo.models.base import Entity from philo.signals import entity_class_prepared +from philo.validators import TemplateValidator __all__ = ('AttributeField', 'RelationshipField') @@ -14,6 +16,8 @@ class EntityProxyField(object): def __init__(self, *args, **kwargs): if self.descriptor_class is None: raise NotImplementedError('EntityProxyField subclasses must specify a descriptor_class.') + self.verbose_name = kwargs.get('verbose_name', None) + self.help_text = kwargs.get('help_text', None) def actually_contribute_to_class(self, sender, **kwargs): sender._entity_meta.add_proxy_field(self) @@ -23,6 +27,8 @@ class EntityProxyField(object): if issubclass(cls, Entity): self.name = name self.attname = name + if self.verbose_name is None and name: + self.verbose_name = name.replace('_', ' ') entity_class_prepared.connect(self.actually_contribute_to_class, sender=cls) else: raise FieldError('%s instances can only be declared on Entity subclasses.' % self.__class__.__name__) @@ -65,16 +71,22 @@ class AttributeFieldDescriptor(object): class AttributeField(EntityProxyField): descriptor_class = AttributeFieldDescriptor - def __init__(self, key, field_template=None): + def __init__(self, field_template=None, key=None, **kwargs): + super(AttributeField, self).__init__(**kwargs) self.key = key if field_template is None: field_template = models.CharField(max_length=255) self.field_template = field_template - def formfield(self, *args, **kwargs): - field = self.field_template.formfield(*args, **kwargs) - field.required = False - return field + def contribute_to_class(self, cls, name): + super(AttributeField, self).contribute_to_class(cls, name) + if self.key is None: + self.key = name + + def formfield(self, **kwargs): + defaults = {'required': False, 'label': capfirst(self.verbose_name), 'help_text': self.help_text} + defaults.update(kwargs) + return self.field_template.formfield(**defaults) class RelationshipFieldDescriptor(object): @@ -111,18 +123,38 @@ class RelationshipFieldDescriptor(object): class RelationshipField(EntityProxyField): descriptor_class = RelationshipFieldDescriptor - def __init__(self, key, model, limit_choices_to=None): + def __init__(self, model, limit_choices_to=None, key=None, **kwargs): + super(RelationshipField, self).__init__(**kwargs) self.key = key self.model = model if limit_choices_to is None: limit_choices_to = {} self.limit_choices_to = limit_choices_to + def contribute_to_class(self, cls, name): + super(RelationshipField, self).contribute_to_class(cls, name) + if self.key is None: + self.key = name + def formfield(self, form_class=forms.ModelChoiceField, **kwargs): - field = form_class(self.model._default_manager.complex_filter(self.limit_choices_to), **kwargs) - field.required = False - return field + defaults = {'required': False, 'label': capfirst(self.verbose_name), 'help_text': self.help_text} + defaults.update(kwargs) + return form_class(self.model._default_manager.complex_filter(self.limit_choices_to), **defaults) def value_from_object(self, obj): relobj = super(RelationshipField, self).value_from_object(obj) - return getattr(relobj, 'pk', None) \ No newline at end of file + return getattr(relobj, 'pk', None) + + +class TemplateField(models.TextField): + def __init__(self, allow=None, disallow=None, secure=True, *args, **kwargs): + super(TemplateField, self).__init__(*args, **kwargs) + self.validators.append(TemplateValidator(allow, disallow, secure)) + + +try: + from south.modelsinspector import add_introspection_rules +except ImportError: + pass +else: + add_introspection_rules([], ["^philo\.models\.fields\.TemplateField"]) \ No newline at end of file