owner; parent::updateCMSFields($fields); $tab = $fields->findOrMakeTab('Root.Settings'); $tab->push(LiteralField::create( 'ClassName', '

' .'

Class

' .'

'.$obj->getField('ClassName').'

' .'

' )); if($this->owner->ID) { $tab->push(TreeDropdownField::create( 'MoveElementIDToPage', 'Move an element to page', SiteTree::class )->setEmptyString('(select an element to move)')); } } public static function MoveElementToPage($ID, $moveToID) { $el = BaseElement::get()->byID($ID); $page = SiteTree::get()->byID($moveToID); if (!$page || !$el) { return false; } $el->setField('ParentID', $page->ElementalArea()->ID); $el->write(); return true; } public function updateCMSEditLink(&$link): void { if (!$this->owner->inlineEditable()) { $page = $this->owner->getPage(); if (!$page || $page instanceof SiteTree) { return; } // As non-page DataObject's are managed via GridFields, we have to grab their CMS edit URL // and replace the trailing /edit/ with a link to the nested ElementalArea edit form $relationName = $this->owner->getAreaRelationName(); $link = preg_replace( '/edit\/?$/', "ItemEditForm/field/{$relationName}/item/{$this->owner->ID}/edit/", $page->CMSEditLink() ); } } public function onBeforeWrite() { parent::onBeforeWrite(); $moveID = $this->owner->getField('MoveElementIDToPage'); if($this->owner->ID && $moveID) { self::MoveElementToPage($this->owner->ID, $moveID); } } }