Added remove delete selected chapter

docs/add_actions.rst

@@ -1,2 +1,14 @@
 How to add additional actions in Django admin?
 +++++++++++++++++++++++++++++++++++++++++++++++
+
+Django admin allows you to add additional actions which allow you to do bulk actions.
+You have been asked to add an action which will mark multiple :code:`Hero`s as immortal.
+
+You can do this by adding action a method to ModelAdmin
+and adding the method as string to :code:`actions`::
+
+    actions = ["mark_immortal"]
+
+    def mark_immortal(self, request, queryset):
+        queryset.update(is_immortal=True)
+

docs/index.rst

@@ -51,10 +51,10 @@ Bulk and custom actions
    :maxdepth: 1
    :numbered:
 
+   add_actions
    export
    import
    remove_delete_selected
-   add_actions
    action_buttons
 
 Permissions

docs/remove_delete_selected.rst

@@ -1,2 +1,18 @@
 How to remove the delete selected action in Django admin?
 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+By default Django adds a `Delete Selected` action to the listview page. You have been asked to remove
+the action from the :code:`Hero` admin.
+
+The method :code:`ModelAdmin.get_actions` returns the actions shown. By overriding this method, to remove :code:`delete_selected`
+We can remove it form the dropdown. Your code looks like this with the changes.::
+
+    def get_actions(self, request):
+        actions = super().get_actions(request)
+        if 'delete_selected' in actions:
+            del actions['delete_selected']
+        return actions
+
+And your admin looks like this
+
+.. image:: export_selected.png

heroes_and_monsters/entities/admin.py

@@ -49,9 +49,16 @@ def export_as_csv(self, request, queryset):
 class HeroAdmin(admin.ModelAdmin, ExportCsvMixin):
     list_display = ("name", "is_immortal", "category", "origin", "is_very_benevolent")
     list_filter = ("is_immortal", "category", "origin", IsVeryBenevolentFilter)
-    actions = ["export_as_csv"]
+    actions = ["mark_immortal"]
 
+    def mark_immortal(self, request, queryset):
+        queryset.update(is_immortal=True)
 
+    def get_actions(self, request):
+        actions = super().get_actions(request)
+        if 'delete_selected' in actions:
+            del actions['delete_selected']
+        return actions
 
     def is_very_benevolent(self, obj):
         return obj.benevolence_factor > 75