Refactor templates to remove unneeded aspects of _list_explore template, and simplify the process of adding extra columns and data for custom report views

wagtail/admin/templates/wagtailadmin/reports/base_report.html

@@ -29,7 +29,7 @@
             <div class="nice-padding">
                 {% if pages %}
                     {% block listing %}
-                        {% include "wagtailadmin/pages/listing/_list_explore.html" %}
+                        {% include "wagtailadmin/reports/listing/_list_report.html" %}
                     {% endblock %}
                     {% paginate pages base_url=request.path %}
                 {% else %}

wagtail/admin/templates/wagtailadmin/reports/listing/_list_report.html

@@ -0,0 +1,35 @@
+{% extends "wagtailadmin/pages/listing/_list.html" %}
+
+{% load i18n %}
+
+{% block post_parent_page_headers %}
+<tr class="table-headers">
+    <th class="title">
+        {% trans 'Title' %}
+    </th>
+     <th class="updated">
+        {% trans 'Updated' %}
+    </th>
+    <th class="type">
+        {% trans 'Type' %}
+    </th>
+    <th class="status">
+        {% trans 'Status' %}
+    </th>
+    {% block extra_columns %}
+    {% endblock %}
+</tr>
+{% endblock %}
+
+{% block page_title %}
+    {% include "wagtailadmin/pages/listing/_page_title_explore.html" %}
+{% endblock %}
+
+{% block page_navigation %}
+    {% block extra_page_data %}
+    {% endblock %}
+{% endblock %}
+
+{% block no_results %}
+    <p>{% trans "No pages found." %}</p>
+{% endblock %}

wagtail/admin/templates/wagtailadmin/reports/listing/_list_unlock.html

@@ -1,10 +1,16 @@
-{% extends "wagtailadmin/pages/listing/_list_explore.html" %}
+{% extends "wagtailadmin/reports/listing/_list_report.html" %}
 
 {% load i18n wagtailadmin_tags %}
 
+{% block extra_columns %}
 
-{% block page_navigation %}
-    <td>
+<th>{% trans 'Locking status' %}</th>
+
+{% endblock %}
+
+
+{% block extra_page_data%}
+    <td valign="top">
         {% page_permissions page as perms %}
         <p>
             {% if page.locked_at %}