Merge pull request #204 from rotassator/fix-page-class-change

FIX: check if base class has ElementPageExtension
silverstripe · Mar 8, 2018 · 0384a9a · 0384a9a
2 parents 1325f42 + a3ae7cb
commit 0384a9a
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/code/extensions/ElementPageExtension.php b/code/extensions/ElementPageExtension.php
@@ -278,6 +278,12 @@ public function onAfterDelete() {
      * @return boolean
      */
     public function supportsElemental() {
+        // check extension applied to base class (avoid error on page class change)
+        $base = singleton($this->owner->ClassName);
+        if (!$base->hasExtension(__CLASS__)) {
+            return false;
+        }
+
         if ($this->owner->hasMethod('includeElemental')) {
             $res = $this->owner->includeElemental();
             if ($res !== null) {