troeger / opensubmit

    result += format_html('<a href="%s" style="white-space: nowrap">eMail to students</a>'%reverse('mailcourse', args=(course.pk,)))

    return result

class CourseAdmin(django.contrib.admin.ModelAdmin):

    list_display = ['__str__', 'active', 'owner', assignments, actions]

    filter_horizontal = ['tutors']

    class Media:

        css = {'all': ('css/teacher.css',)}

    def get_queryset(self, request):

        ''' Restrict the listed courses for the current user.'''

        qs = super(CourseAdmin, self).get_queryset(request)

        if request.user.is_superuser:

            return qs

        else:

            return qs.filter(Q(tutors__pk=request.user.pk) | Q(owner=request.user)).distinct()

    return submfile.replaced_by is None

not_withdrawn.boolean = True

class SubmissionFileAdmin(ModelAdmin):

    list_display = ['__str__', 'fetched', submissions, not_withdrawn]

    class Media:

        css = {'all': ('css/teacher.css',)}

    def get_queryset(self, request):

        ''' Restrict the listed submission files for the current user.'''

        qs = super(SubmissionFileAdmin, self).get_queryset(request)

        if request.user.is_superuser:

            return qs

        else:

            return qs.filter(Q(submissions__assignment__course__tutors__pk=request.user.pk) | Q(submissions__assignment__course__owner=request.user)).distinct()