+class NodeAdmin(EntityAdmin):
+ pass
+
+
+class ModelLookupWidget(forms.TextInput):
+ # is_hidden = False
+
+ def __init__(self, content_type, attrs=None):
+ self.content_type = content_type
+ super(ModelLookupWidget, self).__init__(attrs)
+
+ def render(self, name, value, attrs=None):
+ related_url = '../../../%s/%s/' % (self.content_type.app_label, self.content_type.model)
+ if attrs is None:
+ attrs = {}
+ if not attrs.has_key('class'):
+ attrs['class'] = 'vForeignKeyRawIdAdminField'
+ output = super(ModelLookupWidget, self).render(name, value, attrs)
+ output += '<a href="%s" class="related-lookup" id="lookup_id_%s" onclick="return showRelatedObjectLookupPopup(this);">' % (related_url, name)
+ output += '<img src="%simg/admin/selector-search.gif" width="16" height="16" alt="%s" />' % (settings.ADMIN_MEDIA_PREFIX, _('Lookup'))
+ output += '</a>'
+ if value:
+ value_class = self.content_type.model_class()
+ try:
+ value_object = value_class.objects.get(pk=value)
+ output += ' <strong>%s</strong>' % escape(truncate_words(value_object, 14))
+ except value_class.DoesNotExist:
+ pass
+ return mark_safe(output)
+
+
+class TreeForm(forms.ModelForm):
+ def __init__(self, *args, **kwargs):
+ super(TreeForm, self).__init__(*args, **kwargs)
+ instance = self.instance
+ instance_class = self.get_instance_class()
+
+ if instance_class is not None:
+ try:
+ self.fields['parent'].queryset = instance_class.objects.exclude(id=instance.id)
+ except ObjectDoesNotExist:
+ pass
+
+ self.fields['parent'].validators = [TreeParentValidator(*self.get_validator_args())]
+
+ def get_instance_class(self):
+ return self.instance.__class__
+
+ def get_validator_args(self):
+ return [self.instance]
+
+ def clean(self):
+ cleaned_data = self.cleaned_data
+
+ try:
+ parent = cleaned_data['parent']
+ slug = cleaned_data['slug']
+ obj_class = self.get_instance_class()
+ tpv = TreePositionValidator(parent, slug, obj_class)
+ tpv(self.instance)
+ except KeyError:
+ pass
+
+ return cleaned_data
+
+
+class NodeForm(TreeForm):
+ def get_instance_class(self):
+ return Node
+
+ def get_validator_args(self):
+ return [self.instance, 'instance']
+
+
+class PageAdminForm(NodeForm):
+ class Meta:
+ model = Page
+
+
+class RedirectAdminForm(NodeForm):
+ class Meta:
+ model = Redirect
+
+
+class FileAdminForm(NodeForm):
+ class Meta:
+ model = File
+
+
+class RedirectAdmin(NodeAdmin):