/**
* Loads the given form data into the underlying dataobject and relation
*
* @param array $data
* @param Form $form
* @throws ValidationException On error
* @return DataObject Saved record
*/
protected function saveFormIntoRecord($data, $form)
{
$list = $this->gridField->getList();
// Check object matches the correct classname
if (isset($data['ClassName']) && $data['ClassName'] != $this->record->ClassName) {
$newClassName = $data['ClassName'];
// The records originally saved attribute was overwritten by $form->saveInto($record) before.
// This is necessary for newClassInstance() to work as expected, and trigger change detection
// on the ClassName attribute
$this->record->setClassName($this->record->ClassName);
// Replace $record with a new instance
$this->record = $this->record->newClassInstance($newClassName);
}
// Save form and any extra saved data into this dataobject
$form->saveInto($this->record);
$this->record->write();
$extraData = $this->getExtraSavedData($this->record, $list);
$list->add($this->record, $extraData);
return $this->record;
}
/**
* Remove an item from this relation.
* Doesn't actually remove the item, it just clears the foreign key value.
*
* @param DataObject $item The DataObject to be removed
* @todo Maybe we should delete the object instead?
*/
public function remove($item)
{
if (!$item instanceof $this->dataClass) {
throw new InvalidArgumentException("HasManyList::remove() expecting a {$this->dataClass} object, or ID", E_USER_ERROR);
}
// Don't remove item which doesn't belong to this list
$foreignID = $this->getForeignID();
$foreignKey = $this->getForeignKey();
if (empty($foreignID) || is_array($foreignID) && in_array($item->{$foreignKey}, $foreignID) || $foreignID == $item->{$foreignKey}) {
$item->{$foreignKey} = null;
$item->write();
}
}
/**
* Remove an item from this relation.
* Doesn't actually remove the item, it just clears the foreign key value.
*
* @param DataObject $item The DataObject to be removed
* @todo Maybe we should delete the object instead?
*/
public function remove($item)
{
if (!$item instanceof $this->dataClass) {
throw new InvalidArgumentException("HasManyList::remove() expecting a {$this->dataClass} object, or ID", E_USER_ERROR);
}
// Don't remove item with unrelated class key
$foreignClass = $this->getForeignClass();
$classNames = ClassInfo::subclassesFor($foreignClass);
$classForeignKey = $this->classForeignKey;
if (!in_array($item->{$classForeignKey}, $classNames)) {
return;
}
// Don't remove item which doesn't belong to this list
$foreignID = $this->getForeignID();
$foreignKey = $this->foreignKey;
if (empty($foreignID) || is_array($foreignID) && in_array($item->{$foreignKey}, $foreignID) || $foreignID == $item->{$foreignKey}) {
$item->{$foreignKey} = null;
$item->{$classForeignKey} = null;
$item->write();
}
}
