feat: allow deleting components from a Problem Bank

cms/djangoapps/contentstore/views/preview.py

@@ -300,8 +300,9 @@ def _studio_wrap_xblock(xblock, view, frag, context, display_name_only=False):
  selected_groups_label = _('Access restricted to: {list_of_groups}').format(list_of_groups=selected_groups_label) # lint-amnesty, pylint: disable=line-too-long
  course = modulestore().get_course(xblock.location.course_key)
  can_edit = context.get('can_edit', True)
+ can_add = context.get('can_add', True)
  # Is this a course or a library?
- is_course = xblock.scope_ids.usage_id.context_key.is_course
+ is_course = xblock.context_key.is_course
  tags_count_map = context.get('tags_count_map')
  tags_count = 0
  if tags_count_map:
@@ -320,7 +321,8 @@ def _studio_wrap_xblock(xblock, view, frag, context, display_name_only=False):
  'is_selected': context.get('is_selected', False),
  'selectable': context.get('selectable', False),
  'selected_groups_label': selected_groups_label,
- 'can_add': context.get('can_add', True),
+ 'can_add': can_add,
+ 'can_delete': can_add or (root_xblock and root_xblock.scope_ids.block_type == "itembank"),
  'can_move': context.get('can_move', is_course),
  'language': getattr(course, 'language', None),
  'is_course': is_course,

cms/templates/studio_xblock_wrapper.html

@@ -197,8 +197,7 @@
  </li>
  % endif
  % endif
- % if can_add:
- <!-- If we can add, we can delete. -->
+ % if can_delete:
  <li class="nav-item">
  <a class="delete-button" href="#" role="button">${_("Delete")}</a>
  </li>