Add construct_page_action_menu hook

docs/reference/hooks.rst

@@ -533,6 +533,20 @@ Hooks for customising the way users are directed through the process of creating
         return GuacamoleMenuItem(order=10)
 
 
+.. _construct_page_action_menu:
+
+``construct_page_action_menu``
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+  Modify the final list of action menu items on the page creation and edit views. The callable passed to this hook receives a list of ``ActionMenuItem`` objects, a request object and a context dictionary as per ``register_page_action_menu_item``, and should modify the list of menu items in-place.
+
+  .. code-block:: python
+
+    @hooks.register('construct_page_action_menu')
+    def remove_submit_to_moderator_option(menu_items, request, context):
+        menu_items[:] = [item for item in menu_items if item.name != 'action-submit']
+
+
 .. _construct_wagtail_userbar:
 
 ``construct_wagtail_userbar``

wagtail/admin/templatetags/wagtailadmin_tags.py

@@ -410,6 +410,9 @@ def page_action_menu(context, menu_items, **kwargs):
     ]
     visible_menu_items.sort(key=lambda item: item.order)
 
+    for hook in hooks.get_hooks('construct_page_action_menu'):
+        hook(visible_menu_items, context['request'], menu_item_context)
+
     return {
         'show_menu': bool(visible_menu_items),
         'rendered_menu_items': [

wagtail/admin/tests/test_pages_views.py

@@ -665,6 +665,8 @@ class TestPageCreation(TestCase, WagtailTestUtils):
         self.assertContains(response, '<a href="#tab-promote" class="">Promote</a>')
         # test register_page_action_menu_item hook
         self.assertContains(response, '<input type="submit" name="action-panic" value="Panic!" class="button" />')
+        # test construct_page_action_menu hook
+        self.assertContains(response, '<input type="submit" name="action-relax" value="Relax." class="button" />')
 
     def test_create_multipart(self):
         """
@@ -1279,6 +1281,9 @@ class TestPageEdit(TestCase, WagtailTestUtils):
         # test register_page_action_menu_item hook
         self.assertContains(response, '<input type="submit" name="action-panic" value="Panic!" class="button" />')
 
+        # test construct_page_action_menu hook
+        self.assertContains(response, '<input type="submit" name="action-relax" value="Relax." class="button" />')
+
     def test_edit_draft_page_with_no_revisions(self):
         # Tests that the edit page loads
         response = self.client.get(reverse('wagtailadmin_pages:edit', args=(self.unpublished_page.id, )))

wagtail/tests/testapp/wagtail_hooks.py

@@ -115,3 +115,13 @@ class PanicMenuItem(ActionMenuItem):
 @hooks.register('register_page_action_menu_item')
 def register_panic_menu_item():
     return PanicMenuItem()
+
+
+class RelaxMenuItem(ActionMenuItem):
+    label = "Relax."
+    name = 'action-relax'
+
+
+@hooks.register('construct_page_action_menu')
+def register_relax_menu_item(menu_items, request, context):
+    menu_items.append(RelaxMenuItem())