htsworkflow/frontend/samples/changelist.py

   1 from django.contrib.admin.views.main import ChangeList
   2
   3 class HTSChangeList(ChangeList):
   4     def __init__(self, request, model, list_filter, search_fields,
   5                  list_per_page, model_admin, extra_filters=None):
   6         """Simplification of the django model filter view
   7
   8         The new parameter "extra_filter" should be a mapping
   9         of that will be passed as keyword arguments to
  10         queryset.filter
  11         """
  12         self.extra_filters = extra_filters
  13         super(HTSChangeList, self).__init__(
  14             request, #request
  15             model, #model
  16             [], # list_display
  17             None, # list_display_links
  18             list_filter, #list_filter
  19             None, # date_hierarchy
  20             search_fields, #search_fields
  21             None, # list_select_related,
  22             list_per_page, #list_per_page
  23             20000, #list_max_show_all
  24             None, # list_editable
  25             model_admin #model_admin
  26         )
  27
  28         self.is_popup = False
  29         # I removed to field in the first version
  30
  31         self.multi_page = True
  32         self.can_show_all = False
  33
  34     def get_query_set(self, request):
  35         qs = super(HTSChangeList, self).get_query_set(request)
  36         print qs
  37         if self.extra_filters:
  38             new_qs = qs.filter(**self.extra_filters)
  39             if new_qs is not None:
  40                 qs = new_qs
  41         return qs