X-Git-Url: http://git.ithinksw.org/philo.git/blobdiff_plain/2f7a76a00f2bcae2f67459b7fd86806278ef9b66..92e6313ae3fbcf8f7c381aa91d53f2e32714f2c3:/admin/pages.py

diff --git a/admin/pages.py b/admin/pages.py
index fc60ad1..ede4a0d 100644
--- a/admin/pages.py
+++ b/admin/pages.py
@@ -1,5 +1,7 @@
 from django.contrib import admin
 from django import forms
+from django.core.exceptions import ValidationError
+from django.template import Template as DjangoTemplate, loader, loader_tags, TemplateDoesNotExist, Context
 from philo.admin import widgets
 from philo.admin.base import COLLAPSE_CLASSES
 from philo.admin.nodes import ViewAdmin
@@ -28,7 +30,8 @@ class PageAdmin(ViewAdmin):
 			contentlet_containers, contentreference_containers = template.containers
 			for container_name in contentlet_containers:
 				fieldsets.append((('Container: %s' % container_name), {
-					'fields': (('contentlet_container_content_%s' % container_name), ('contentlet_container_dynamic_%s' % container_name))
+					'fields': (('contentlet_container_content_%s' % container_name), ('contentlet_container_dynamic_%s' % container_name)),
+					'classes': ['monospace']
 				}))
 			for container_name, container_content_type in contentreference_containers:
 				fieldsets.append((('Container: %s' % container_name), {
@@ -82,13 +85,40 @@ class PageAdmin(ViewAdmin):
 					contentreference = page.contentreferences.get(name=container_name)
 				except ContentReference.DoesNotExist:
 					contentreference = ContentReference(name=container_name, page=page, content_type=container_content_type)
-				
-				if content == None:
-					contentreference.content_id = None
 				else:
-					contentreference.content_id = content.id
+					if content == None:
+						contentreference.delete()
 				
-				contentreference.save()
+				if content is not None:
+					contentreference.content_id = content.id
+					contentreference.save()
+
+
+class TemplateForm(forms.ModelForm):
+	def clean_code(self):
+		code = self.cleaned_data['code']
+		try:
+			t = DjangoTemplate(code)
+		except Exception, e:
+			raise ValidationError("Template code invalid. Error was: %s: %s" % (e.__class__.__name__, e))
+		
+		# make sure all extended and included templates exist.
+		def validate_template(template):
+			for node in template.nodelist:
+				try:
+					if isinstance(node, loader_tags.ExtendsNode):
+						extended_template = node.get_parent(Context())
+						validate_template(extended_template)
+					elif isinstance(node, loader_tags.IncludeNode):
+						included_template = loader.get_template(node.template_name.resolve(Context()))
+						validate_template(extended_template)
+				except Exception, e:
+					raise ValidationError("Template code invalid. Error was: %s: %s" % (e.__class__.__name__, e))
+		validate_template(t)
+		return code
+	
+	class Meta:
+		model = Template
 
 
 class TemplateAdmin(admin.ModelAdmin):
@@ -112,6 +142,7 @@ class TemplateAdmin(admin.ModelAdmin):
 	save_on_top = True
 	save_as = True
 	list_display = ('__unicode__', 'slug', 'get_path',)
+	form = TemplateForm
 
 
 admin.site.register(Page, PageAdmin)