public function getComponents($componentName, $filter = "", $sort = "", $join = "", $limit = null)
{
$result = null;
if (!($componentClass = $this->has_many($componentName))) {
user_error("DataObject::getComponents(): Unknown 1-to-many component '{$componentName}'" . " on class '{$this->class}'", E_USER_ERROR);
}
if ($join) {
throw new \InvalidArgumentException('The $join argument has been removed. Use leftJoin($table, $joinClause) instead.');
}
// If we haven't been written yet, we can't save these relations, so use a list that handles this case
if (!$this->ID) {
if (!isset($this->unsavedRelations[$componentName])) {
$this->unsavedRelations[$componentName] = UnsavedRelationList::create($this->class, $componentName, $componentClass);
}
return $this->unsavedRelations[$componentName];
}
$joinField = $this->getRemoteJoinField($componentName, 'has_many');
$result = HasManyList::create($componentClass, $joinField);
if ($this->model) {
$result->setDataModel($this->model);
}
$result = $result->forForeignID($this->ID);
$result = $result->where($filter)->limit($limit)->sort($sort);
return $result;
}
public function remove($item)
{
parent::remove($item);
$ids = Session::get($this->itemsSessionKey());
if (is_null($ids)) {
return;
}
unset($ids[$item->ID]);
Session::set($this->itemsSessionKey(), $ids);
}
public function removeAll()
{
parent::removeAll();
Session::clear($this->itemsSessionKey());
unset($_SESSION[$this->itemsSessionKey()]);
}
/**
* Removes items from this list which are equal.
* @param {string} $field unused
*/
public function removeDuplicates($field = 'ID')
{
//Remove Duplicates from the state
if (isset($this->gridField->State->StatefulListData)) {
$this->gridField->State->StatefulListData = array_unique($this->gridField->State->StatefulListData->toArray(), SORT_REGULAR);
}
//Remove duplicates from the source list
parent::removeDuplicates($field);
}
