from django.utils.html import escape
from django.utils.text import truncate_words
from philo.models import *
+from django.core.exceptions import ValidationError, ObjectDoesNotExist
+from validators import TreeParentValidator, TreePositionValidator
class AttributeInline(generic.GenericTabularInline):
class CollectionAdmin(admin.ModelAdmin):
inlines = [CollectionMemberInline]
+ list_display = ('name', 'description', 'get_count')
+
+
+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 TemplateAdmin(admin.ModelAdmin):
)
save_on_top = True
save_as = True
+ list_display = ('__unicode__', 'slug', 'get_path',)
+ form = TreeForm
class ModelLookupWidget(forms.TextInput):
return mark_safe(output)
+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 PageAdmin(EntityAdmin):
prepopulated_fields = {'slug': ('title',)}
fieldsets = (
list_display = ('title', 'path', 'template')
list_filter = ('template',)
search_fields = ['title', 'slug', 'contentlets__content']
+ form = PageAdminForm
def get_fieldsets(self, request, obj=None, **kwargs):
fieldsets = list(self.fieldsets)
contentreference.save()
+class RedirectAdmin(admin.ModelAdmin):
+ list_display=('slug', 'target', 'path', 'status_code',)
+ list_filter=('status_code',)
+ form = RedirectAdminForm
+
+
+class FileAdmin(admin.ModelAdmin):
+ form=FileAdminForm
+ list_display=('slug', 'mimetype', 'path', 'file',)
+
+
admin.site.register(Collection, CollectionAdmin)
-admin.site.register(Redirect)
-admin.site.register(File)
+admin.site.register(Redirect, RedirectAdmin)
+admin.site.register(File, FileAdmin)
admin.site.register(Page, PageAdmin)
admin.site.register(Template, TemplateAdmin)
class Meta:
abstract = True
-
+
class Collection(models.Model):
name = models.CharField(max_length=255)
description = models.TextField(blank=True, null=True)
-
+
+ def get_count(self):
+ return self.members.count()
+ get_count.short_description = 'Members'
+
+ def __unicode__(self):
+ return self.name
class CollectionMemberManager(models.Manager):
use_for_related_fields = True
member_content_type = models.ForeignKey(ContentType, verbose_name='Member type')
member_object_id = models.PositiveIntegerField(verbose_name='Member ID')
member = generic.GenericForeignKey('member_content_type', 'member_object_id')
+
+ def __unicode__(self):
+ return '%s - %s' % (self.collection, self.member)
class TreeManager(models.Manager):
def render_to_response(self, request, path=None, subpath=None):
return HttpResponseServerError()
+
+ class Meta:
+ unique_together=(('parent', 'slug',),)
class MultiNode(Node):
class Template(TreeModel):
name = models.CharField(max_length=255)
documentation = models.TextField(null=True, blank=True)
- mimetype = models.CharField(max_length=255, null=True, blank=True, help_text='Default: %s' % settings.DEFAULT_CONTENT_TYPE)
+ mimetype = models.CharField(max_length=255, null=True, blank=True, help_text='Default: %s' % settings.DEFAULT_CONTENT_TYPE, default=settings.DEFAULT_CONTENT_TYPE)
code = models.TextField(verbose_name='django template code')
@property
class Page(Node):
"""
- Represents an HTML page. The page will have a number of related Contentlets
- depending on the template selected - but these will appear only after the
- page has been saved with that template.
+ Represents a page - something which is rendered according to a template. The page will have a number of related Contentlets depending on the template selected - but these will appear only after the page has been saved with that template.
"""
template = models.ForeignKey(Template, related_name='pages')
title = models.CharField(max_length=255)
--- /dev/null
+from django import template
+from django.conf import settings
+
+
+register = template.Library()
+
+
+class MembersofNode(template.Node):
+ def __init__(self, collection, model, as_var):
+ self.collection = template.Variable(collection)
+ self.model = template.Variable(model)
+ self.as_var = as_var
+
+ def render(self, context):
+ try:
+ collection = self.collection.resolve(context)
+ model = self.model.resolve(context)
+ context[self.as_var] = collection.members.with_model(model)
+ except:
+ pass
+ return settings.TEMPLATE_STRING_IF_INVALID
+
+
+def do_membersof(parser, token):
+ """
+ {% membersof <collection> with <model> as <var> %}
+ """
+ params=token.split_contents()
+ tag = params[0]
+
+ if len(params) < 6:
+ raise template.TemplateSyntaxError('"%s" template tag requires six parameters' % tag)
+
+ if params[2] != 'with':
+ raise template.TemplateSyntaxError('"%s" template tag requires the third parameter to be "with"' % tag)
+
+ if params[4] != 'as':
+ raise template.TemplateSyntaxError('"%s" template tag requires the fifth parameter to be "as"' % tag)
+
+ return MembersofNode(collection=params[1], model=params[3], as_var=params[5])
+
+
+register.tag('membersof', do_membersof)
\ No newline at end of file
def render(self, context):
content = settings.TEMPLATE_STRING_IF_INVALID
if 'page' in context:
- container_content = self.get_container_content(context['page'])
+ container_content = self.get_container_content(context)
if self.nodelist_main is None:
self.nodelist_main
return ''
- def get_container_content(self, page):
+ def get_container_content(self, context):
+ page = context['page']
if self.references:
try:
contentreference = page.contentreferences.get(name__exact=self.name, content_type=self.references)
content = mark_safe(template.Template(contentlet.content, name=contentlet.name).render(context))
except template.TemplateSyntaxError, error:
if settings.DEBUG:
- content = ('[Error parsing contentlet \'%s\': %s]' % self.name, error)
+ content = ('[Error parsing contentlet \'%s\': %s]' % (self.name, error))
else:
content = contentlet.content
except ObjectDoesNotExist:
--- /dev/null
+from django.core.exceptions import ValidationError
+from django.utils.translation import ugettext_lazy as _
+
+
+class TreeParentValidator(object):
+ """
+ constructor takes instance and parent_attr, where instance is the model
+ being validated and parent_attr is where to look on that parent for the
+ comparison.
+ """
+ #message = _("A tree element can't be its own parent.")
+ code = 'invalid'
+
+ def __init__(self, instance, parent_attr=None, message=None, code=None):
+ self.instance = instance
+ self.parent_attr = parent_attr
+ self.static_message = message
+ if code is not None:
+ self.code = code
+
+ def __call__(self, value):
+ """
+ Validates that the self.instance is not found in the parent tree of
+ the node given as value.
+ """
+ parent = value
+
+ while parent:
+ comparison=self.get_comparison(parent)
+ if comparison == self.instance:
+ # using (self.message, code=self.code) results in the admin interface
+ # screwing with the error message and making it be 'Enter a valid value'
+ raise ValidationError(self.message)
+ parent=parent.parent
+
+ def get_comparison(self, parent):
+ if self.parent_attr and hasattr(parent, self.parent_attr):
+ return getattr(parent, self.parent_attr)
+
+ return parent
+
+ def get_message(self):
+ return self.static_message or _(u"A %s can't be its own parent." % self.instance.__class__.__name__)
+ message = property(get_message)
+
+class TreePositionValidator(object):
+ code = 'invalid'
+
+ def __init__(self, parent, slug, obj_class, message=None, code=None):
+ self.parent = parent
+ self.slug = slug
+ self.obj_class = obj_class
+ self.static_message = message
+
+ if code is not None:
+ self.code = code
+
+ def __call__(self, value):
+ """
+ Validates that there is no obj of obj_class with the same position
+ as the compared obj (value) but a different id.
+ """
+ if not isinstance(value, self.obj_class):
+ raise ValidationError(_(u"The value must be an instance of %s." % self.obj_class.__name__))
+
+ try:
+ obj = self.obj_class.objects.get(slug=self.slug, parent=self.parent)
+
+ if obj.id != value.id:
+ raise ValidationError(self.message)
+
+ except self.obj_class.DoesNotExist:
+ pass
+
+ def get_message(self):
+ return self.static_message or _(u"A %s with that path (parent and slug) already exists." % self.obj_class.__name__)
+ message = property(get_message)
git.ithinksw.org / philo.git / commitdiff