bitbake: toaster: add class template view for single-object pages

Adding ToasterTemplateView as prototype for all class-based
views that display single objects; equivalent to ToasterTable
for object lists.

(Bitbake rev: d3edea773000a663f5883e04f477d853bff64cf6)

Signed-off-by: Alexandru DAMIAN <alexandru.damian@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 26 insertions, 0 deletions

diff --git a/bitbake/lib/toaster/toastergui/widgets.py b/bitbake/lib/toaster/toastergui/widgets.py
index 3d3c1d10df..8bc3d7f160 100644
--- a/bitbake/lib/toaster/toastergui/widgets.py
+++ b/bitbake/lib/toaster/toastergui/widgets.py
@@ -325,3 +325,29 @@ class ToasterTable(TemplateView):
         cache.set(cache_name, data, 60*30)
 
         return data
+
+
+class ToasterTemplateView(TemplateView):
+    # renders a instance in a template, or returns the context as json
+    # the class-equivalent of the _template_renderer decorator for views
+
+
+    def get(self, *args, **kwargs):
+        if self.request.GET.get('format', None) == 'json':
+            from django.core.urlresolvers import reverse
+            from django.shortcuts import HttpResponse
+            from views import objtojson
+            from toastergui.templatetags.projecttags import json as jsonfilter
+
+            context = self.get_context_data(**kwargs)
+
+            for x in context.keys():
+                if x not in self.context_entries:
+                    del context[x]
+
+            context["error"] = "ok"
+
+            return HttpResponse(jsonfilter(context,  default=objtojson ),
+                            content_type = "application/json; charset=utf-8")
+
+        return super(ToasterTemplateView, self).get(*args, **kwargs)