X-Git-Url: http://git.ithinksw.org/philo.git/blobdiff_plain/2b808329bca3af8d614aa13af7b6ccf24092d4ce..01a66d144c3ac6539991c5b9f00e1bd5bab132ee:/models/pages.py diff --git a/models/pages.py b/models/pages.py index 3435511..fddb0ae 100644 --- a/models/pages.py +++ b/models/pages.py @@ -1,27 +1,25 @@ # encoding: utf-8 -from django.db import models +from django.conf import settings from django.contrib.contenttypes.models import ContentType from django.contrib.contenttypes import generic -from django.conf import settings -from django.template import add_to_builtins as register_templatetags -from django.template import Template as DjangoTemplate -from django.template import TemplateDoesNotExist -from django.template import Context, RequestContext -from django.template.loader import get_template -from django.template.loader_tags import ExtendsNode, ConstantIncludeNode, IncludeNode +from django.core.exceptions import ValidationError +from django.db import models from django.http import HttpResponse -from django.contrib.sites.models import Site +from django.template import TemplateDoesNotExist, Context, RequestContext, Template as DjangoTemplate, add_to_builtins as register_templatetags from philo.models.base import TreeModel, register_value_model -from philo.models.nodes import Node -from philo.utils import fattr +from philo.models.fields import TemplateField +from philo.models.nodes import View from philo.templatetags.containers import ContainerNode +from philo.utils import fattr, nodelist_crawl +from philo.validators import LOADED_TEMPLATE_ATTR +from philo.signals import page_about_to_render_to_string, page_finished_rendering_to_string 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) - code = models.TextField(verbose_name='django template code') + mimetype = models.CharField(max_length=255, default=getattr(settings, 'DEFAULT_CONTENT_TYPE', 'text/html')) + code = TemplateField(secure=False, verbose_name='django template code') @property def origin(self): @@ -39,33 +37,11 @@ class Template(TreeModel): This will break if there is a recursive extends or includes in the template code. Due to the use of an empty Context, any extends or include tags with dynamic arguments probably won't work. """ - def container_nodes(template): - def nodelist_container_nodes(nodelist): - nodes = [] - for node in nodelist: - try: - for nodelist_name in ('nodelist', 'nodelist_loop', 'nodelist_empty', 'nodelist_true', 'nodelist_false', 'nodelist_main'): - if hasattr(node, nodelist_name): - nodes.extend(nodelist_container_nodes(getattr(node, nodelist_name))) - if isinstance(node, ContainerNode): - nodes.append(node) - elif isinstance(node, ExtendsNode): - extended_template = node.get_parent(Context()) - if extended_template: - nodes.extend(container_nodes(extended_template)) - elif isinstance(node, ConstantIncludeNode): - included_template = node.template - if included_template: - nodes.extend(container_nodes(included_template)) - elif isinstance(node, IncludeNode): - included_template = get_template(node.template_name.resolve(Context())) - if included_template: - nodes.extend(container_nodes(included_template)) - except: - raise # fail for this node - return nodes - return nodelist_container_nodes(template.nodelist) - all_nodes = container_nodes(self.django_template) + def process_node(node, nodes): + if isinstance(node, ContainerNode): + nodes.append(node) + + all_nodes = nodelist_crawl(self.django_template.nodelist, process_node) contentlet_node_names = set([node.name for node in all_nodes if not node.references]) contentreference_node_names = [] contentreference_node_specs = [] @@ -76,7 +52,7 @@ class Template(TreeModel): return contentlet_node_names, contentreference_node_specs def __unicode__(self): - return self.get_path(u' › ', 'name') + return self.get_path(pathsep=u' › ', field='name') @staticmethod @fattr(is_usable=True) @@ -91,32 +67,65 @@ class Template(TreeModel): app_label = 'philo' -class Page(Node): +class Page(View): """ 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) - def render_to_response(self, request, path=None, subpath=None): - return HttpResponse(self.template.django_template.render(RequestContext(request, {'page': self})), mimetype=self.template.mimetype) + def get_containers(self): + if not hasattr(self, '_containers'): + self._containers = self.template.containers + return self._containers + containers = property(get_containers) + + def render_to_string(self, request=None, extra_context=None): + context = {} + context.update(extra_context or {}) + context.update({'page': self, 'attributes': self.attributes}) + if request: + context.update({'node': request.node, 'attributes': self.attributes_with_node(request.node)}) + page_about_to_render_to_string.send(sender=self, request=request, extra_context=context) + string = self.template.django_template.render(RequestContext(request, context)) + else: + page_about_to_render_to_string.send(sender=self, request=request, extra_context=context) + string = self.template.django_template.render(Context(context)) + page_finished_rendering_to_string.send(sender=self, string=string) + return string + + def actually_render_to_response(self, request, extra_context=None): + return HttpResponse(self.render_to_string(request, extra_context), mimetype=self.template.mimetype) def __unicode__(self): - return self.get_path(u' › ', 'title') + return self.title + + def clean_fields(self, exclude=None): + try: + super(Page, self).clean_fields(exclude) + except ValidationError, e: + errors = e.message_dict + else: + errors = {} + + if 'template' not in errors and 'template' not in exclude: + try: + self.template.clean_fields() + self.template.clean() + except ValidationError, e: + errors['template'] = e.messages + + if errors: + raise ValidationError(errors) class Meta: app_label = 'philo' -# the following line enables the selection of a node as the root for a given django.contrib.sites Site object -models.ForeignKey(Node, related_name='sites', null=True, blank=True).contribute_to_class(Site, 'root_node') - - class Contentlet(models.Model): page = models.ForeignKey(Page, related_name='contentlets') name = models.CharField(max_length=255) - content = models.TextField() - dynamic = models.BooleanField(default=False) + content = TemplateField() def __unicode__(self): return self.name