Make generic/confirm_unpublish.html template extend generic/base.html template

wagtail/admin/templates/wagtailadmin/generic/confirm_unpublish.html

@@ -1,31 +1,27 @@
-{% extends "wagtailadmin/base.html" %}
+{% extends "wagtailadmin/generic/base.html" %}
 {% load i18n wagtailadmin_tags %}
-{% block titletag %}{% blocktrans trimmed with title=object_display_title %}Unpublish {{ title }}{% endblocktrans %}{% endblock %}
-{% block content %}
-    {% include "wagtailadmin/shared/header.html" with title=_("Unpublish") subtitle=object_display_title icon=header_icon %}
 
-    <div class="nice-padding">
-        {% if usage_url %}
-            {% include "wagtailadmin/shared/usage_summary.html" %}
-        {% endif %}
-        {% block confirmation_text %}
-            <p>
-                {% blocktrans trimmed with model_name=model_opts.verbose_name %}
-                    Are you sure you want to unpublish this {{ model_name }}?
-                {% endblocktrans %}
-            </p>
+{% block main_content %}
+    {% if usage_url %}
+        {% include "wagtailadmin/shared/usage_summary.html" %}
+    {% endif %}
+    {% block confirmation_text %}
+        <p>
+            {% blocktrans trimmed with model_name=model_opts.verbose_name %}
+                Are you sure you want to unpublish this {{ model_name }}?
+            {% endblocktrans %}
+        </p>
+    {% endblock %}
+
+    <form action="{{ unpublish_url }}" method="POST">
+        {% csrf_token %}
+
+        {% block form_content %}
         {% endblock %}
 
-        <form action="{{ unpublish_url }}" method="POST">
-            {% csrf_token %}
-
-            {% block form_content %}
-            {% endblock %}
-
-            <div>
-                <button class="button" type="submit">{% trans 'Yes, unpublish it' %}</button>
-                <a href="{{ next_url }}" class="button button-secondary">{% trans "No, don't unpublish" %}</a>
-            </div>
-        </form>
-    </div>
+        <div>
+            <button class="button" type="submit">{% trans 'Yes, unpublish it' %}</button>
+            <a href="{{ next_url }}" class="button button-secondary">{% trans "No, don't unpublish" %}</a>
+        </div>
+    </form>
 {% endblock %}

wagtail/admin/views/generic/models.py

@@ -1324,6 +1324,7 @@ class UnpublishView(HookResponseMixin, WagtailAdminTemplateMixin, TemplateView):
     edit_url_name = None
     unpublish_url_name = None
     usage_url_name = None
+    page_title = gettext_lazy("Unpublish")
     success_message = gettext_lazy("'%(object)s' unpublished.")
     template_name = "wagtailadmin/generic/confirm_unpublish.html"
 
@@ -1344,12 +1345,15 @@ class UnpublishView(HookResponseMixin, WagtailAdminTemplateMixin, TemplateView):
     def get_usage(self):
         return ReferenceIndex.get_grouped_references_to(self.object)
 
+    def get_breadcrumbs_items(self):
+        return []
+
     def get_objects_to_unpublish(self):
         # Hook to allow child classes to have more objects to unpublish (e.g. page descendants)
         return [self.object]
 
-    def get_object_display_title(self):
-        return str(self.object)
+    def get_page_subtitle(self):
+        return get_latest_str(self.object)
 
     def get_success_message(self):
         if self.success_message is None:
@@ -1415,7 +1419,6 @@ class UnpublishView(HookResponseMixin, WagtailAdminTemplateMixin, TemplateView):
         context = super().get_context_data(**kwargs)
         context["model_opts"] = self.object._meta
         context["object"] = self.object
-        context["object_display_title"] = self.get_object_display_title()
         context["unpublish_url"] = self.get_unpublish_url()
         context["next_url"] = self.get_next_url()
         context["usage_url"] = self.get_usage_url()