def get_context(self): context = super(RevisionListView, self).get_context() opts = self.opts action_list = [ { "revision": version.revision, "url": self.model_admin_urlname('revision', quote(version.object_id), version.id), "version": version } for version in self._order_version_queryset(self.revision_manager.get_for_object_reference( self.model, self.obj.pk, ).select_related("revision__user")) ] context.update({ 'title': _('Change history: %s') % force_unicode(self.obj), 'action_list': action_list, 'module_name': capfirst(force_unicode(opts.verbose_name_plural)), 'object': self.obj, 'app_label': opts.app_label, "changelist_url": self.model_admin_urlname("changelist"), "update_url": self.model_admin_urlname("change", self.obj.pk), 'opts': opts, }) return context
def post(self, request, object_id, *args, **kwargs): object_id = unquote(object_id) self.obj = self.get_object(object_id) if not self.has_change_permission(self.obj): raise PermissionDenied params = self.request.POST if 'version_a' not in params or 'version_b' not in params: self.message_user(_(u"Must select two versions."), 'error') return self.get_response() version_a_id = params['version_a'] version_b_id = params['version_b'] if version_a_id == version_b_id: self.message_user(_(u"Please select two different versions."), 'error') return self.get_response() version_a = get_object_or_404(Version, pk=version_a_id) version_b = get_object_or_404(Version, pk=version_b_id) diffs = [] obj_a, detail_a = self.get_version_object(version_a) obj_b, detail_b = self.get_version_object(version_b) for f in (self.opts.fields + self.opts.many_to_many): if isinstance(f, RelatedObject): label = f.opts.verbose_name else: label = f.verbose_name value_a = f.value_from_object(obj_a) value_b = f.value_from_object(obj_b) is_diff = value_a != value_b if type(value_a) in (list, tuple) and type(value_b) in (list, tuple) \ and len(value_a) == len(value_b) and is_diff: is_diff = False for i in xrange(len(value_a)): if value_a[i] != value_a[i]: is_diff = True break; if type(value_a) is QuerySet and type(value_b) is QuerySet: is_diff = list(value_a) != list(value_b) diffs.append((label, detail_a.get_field_result(f.name).val, detail_b.get_field_result(f.name).val, is_diff)) context = super(RevisionListView, self).get_context() context.update({ 'object': self.obj, 'opts': self.opts, 'version_a': version_a, 'version_b': version_b, 'revision_a_url': self.model_admin_urlname('revision', quote(version_a.object_id), version_a.id), 'revision_b_url': self.model_admin_urlname('revision', quote(version_b.object_id), version_b.id), 'diffs': diffs }) return TemplateResponse(self.request, self.revision_diff_template or self.get_template_list('revision_diff.html'), context, current_app=self.admin_site.name)
def block_object_tools(self, context, nodes): obj = getattr(self.admin_view, 'org_obj', getattr(self.admin_view, 'obj', None)) if obj: revisionlist_url = self.admin_view.model_admin_urlname('revisionlist', quote(obj.pk)) nodes.append(mark_safe('<a href="%s" class="btn btn-small"><i class="icon-time"></i> %s</a>' % (revisionlist_url, _(u'History'))))