Merge pull request #2 from xini/mark-parent-as-changed

mark owner object as changed when attributes are changed

src/Extensions/Attributable.php

@@ -10,6 +10,7 @@
 use SilverStripe\Forms\HiddenField;
 use SilverStripe\ORM\DataExtension;
 use SilverStripe\ORM\DataObject;
+use SilverStripe\Versioned\Versioned;
 
 class Attributable extends DataExtension
 {
@@ -147,6 +148,12 @@ public function detachAttribute($attribute)
  $existing = Attribution::get_from_pair($this->owner, $attribute);
  if ($existing) {
  $this->owner->Attributions()->remove($existing);
+ // mark owner as changed
+ if ($this->owner->hasExtension(Versioned::class)) {
+ $this->owner->writeToStage(Versioned::DRAFT);
+ } else {
+ $this->owner->write();
+ }
  }
  }
 
@@ -175,6 +182,12 @@ public function attachAttribute($attribute)
  $attribution->write();
 
  $this->owner->Attributions()->add($attribution);
+ // mark owner as changed
+ if ($this->owner->hasExtension(Versioned::class)) {
+ $this->owner->writeToStage(Versioned::DRAFT);
+ } else {
+ $this->owner->write();
+ }
 
  return $attribution;
  }