From 3f3dfd965b68f998e955f1ddb75a9093fdd77f3a Mon Sep 17 00:00:00 2001
From: Matt Westcott <matt@west.co.tt>
Date: Thu, 23 Jun 2022 17:20:26 +0100
Subject: [PATCH] Don't import _editor_css.html on Wagtail >=4 (#122)

The additional CSS is now incorporated into the core admin CSS, and so this include no longer exists.
---
 wagtail_transfer/templates/wagtail_transfer/choose_page.html | 4 +++-
 wagtail_transfer/views.py                                    | 1 +
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/wagtail_transfer/templates/wagtail_transfer/choose_page.html b/wagtail_transfer/templates/wagtail_transfer/choose_page.html
index b9b7ad4..40d71f7 100644
--- a/wagtail_transfer/templates/wagtail_transfer/choose_page.html
+++ b/wagtail_transfer/templates/wagtail_transfer/choose_page.html
@@ -4,7 +4,9 @@
 {% block extra_css %}
     {{ block.super }}
 
-    {% include "wagtailadmin/pages/_editor_css.html" %}
+    {% if include_legacy_editor_css %}
+        {% include "wagtailadmin/pages/_editor_css.html" %}
+    {% endif %}
     <link rel="stylesheet" href="{% versioned_static 'wagtail_transfer/css/transfer-styles.css' %}">
 {% endblock %}
 
diff --git a/wagtail_transfer/views.py b/wagtail_transfer/views.py
index 90f815c..94d9cf5 100644
--- a/wagtail_transfer/views.py
+++ b/wagtail_transfer/views.py
@@ -227,6 +227,7 @@ def choose_page(request):
             }
             for source_name in getattr(settings, 'WAGTAILTRANSFER_SOURCES', {}).keys()
         ]),
+        'include_legacy_editor_css': WAGTAIL_VERSION < (4, 0),
     })