From 68b1cd07dd1f92700bded4fcd612a645df19cecc Mon Sep 17 00:00:00 2001
From: James Cocker <git@pswd.biz>
Date: Fri, 10 Jul 2020 14:30:23 +0100
Subject: [PATCH] Add ability to disable some extensions via config

As not possible to remove extension:
https://github.com/silverstripe/silverstripe-framework/issues/8613
https://github.com/silverstripe/silverstripe-cms/issues/2146
https://github.com/silverstripe/silverstripe-config/issues/32
---
 code/extensions/CannotCreatePage.php            |  4 ++++
 code/extensions/PageSettingsHidePermissions.php | 10 ++++++----
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/code/extensions/CannotCreatePage.php b/code/extensions/CannotCreatePage.php
index ec887c0..d8ca786 100755
--- a/code/extensions/CannotCreatePage.php
+++ b/code/extensions/CannotCreatePage.php
@@ -11,6 +11,10 @@ class CannotCreatePage extends DataExtension
   
     public function canCreate($member = null, $context = array())
     {
+        if ($config = $this->owner->config()->get('can_create')) {
+            return true;
+        }
+        
         return false;
     }
 
diff --git a/code/extensions/PageSettingsHidePermissions.php b/code/extensions/PageSettingsHidePermissions.php
index 43c028b..2ea9aa8 100644
--- a/code/extensions/PageSettingsHidePermissions.php
+++ b/code/extensions/PageSettingsHidePermissions.php
@@ -10,9 +10,11 @@ class PageSettingsHidePermissions extends DataExtension
 
     public function updateSettingsFields(FieldList $fields)
     {
-        $fields->removeFieldFromTab("Root.Settings", "CanViewType");
-        $fields->removeFieldFromTab("Root.Settings", "ViewerGroups");
-        $fields->removeFieldFromTab("Root.Settings", "CanEditType");
-        $fields->removeFieldFromTab("Root.Settings", "EditorGroups");
+        if (!$this->owner->config()->get('show_permissions')) {
+            $fields->removeFieldFromTab("Root.Settings", "CanViewType");
+            $fields->removeFieldFromTab("Root.Settings", "ViewerGroups");
+            $fields->removeFieldFromTab("Root.Settings", "CanEditType");
+            $fields->removeFieldFromTab("Root.Settings", "EditorGroups");
+        }
     }
 }