Defer validation on FieldPanel unless required_on_save passed

wagtail/admin/panels/field_panel.py

@@ -25,6 +25,7 @@ class FieldPanel(Panel):
         disable_comments=None,
         permission=None,
         read_only=False,
+        required_on_save=False,
         **kwargs,
     ):
         super().__init__(**kwargs)
@@ -33,6 +34,7 @@ class FieldPanel(Panel):
         self.disable_comments = disable_comments
         self.permission = permission
         self.read_only = read_only
+        self.required_on_save = required_on_save
 
     def clone_kwargs(self):
         kwargs = super().clone_kwargs()
@@ -42,6 +44,7 @@ class FieldPanel(Panel):
             disable_comments=self.disable_comments,
             permission=self.permission,
             read_only=self.read_only,
+            required_on_save=self.required_on_save,
         )
         return kwargs
 
@@ -52,6 +55,9 @@ class FieldPanel(Panel):
         opts = {
             "fields": [self.field_name],
         }
+        if not self.required_on_save:
+            opts["defer_required_on_fields"] = [self.field_name]
+
         if self.widget:
             opts["widgets"] = {self.field_name: self.widget}
 

wagtail/admin/panels/title_field_panel.py

@@ -32,6 +32,7 @@ class TitleFieldPanel(FieldPanel):
         **kwargs,
     ):
         kwargs["classname"] = classname
+        kwargs.setdefault("required_on_save", True)
         self.apply_if_live = apply_if_live
         self.placeholder = placeholder
         self.targets = targets

wagtail/admin/views/pages/create.py

@@ -151,6 +151,8 @@ class CreateView(WagtailAdminTemplateMixin, HookResponseMixin, View):
             parent_page=self.parent_page,
             for_user=self.request.user,
         )
+        if self.action_name == "save":
+            self.form.defer_required_fields()
 
         if self.form.is_valid():
             return self.form_valid(self.form)
@@ -243,7 +245,7 @@ class CreateView(WagtailAdminTemplateMixin, HookResponseMixin, View):
         self.set_default_privacy_setting()
 
         # Save revision
-        self.page.save_revision(user=self.request.user, log_action=True)
+        self.page.save_revision(user=self.request.user, log_action=True, clean=False)
 
         # Save subscription settings
         self.subscription.page = self.page

wagtail/admin/views/pages/edit.py

@@ -489,6 +489,9 @@ class EditView(WagtailAdminTemplateMixin, HookResponseMixin, View):
             for_user=self.request.user,
         )
 
+        if self.action_name == "save":
+            self.form.defer_required_fields()
+
         if self.form.is_valid() and not self.locked_for_user:
             return self.form_valid(self.form)
         else:
@@ -551,6 +554,7 @@ class EditView(WagtailAdminTemplateMixin, HookResponseMixin, View):
             user=self.request.user,
             log_action=True,  # Always log the new revision on edit
             previous_revision=self.previous_revision,
+            clean=False,
         )
 
         self.add_save_confirmation_message()