/**
* Return a GridField configured for editing attached MediaModels. If the master record is in the database
* then also add GridFieldOrderableRows (otherwise complaint re UnsavedRelationList not being a DataList happens).
*
* @param string|null $relationshipName
* @param string|null $configClassName name of grid field configuration class otherwise one is manufactured
* @return \GridField
*/
protected function gridField($relationshipName = null, $configClassName = null)
{
$relationshipName = $relationshipName ?: static::RelationshipName;
$config = $this->gridFieldConfig($relationshipName, $configClassName);
/** @var GridField $gridField */
$gridField = \GridField::create($relationshipName, $relationshipName, $this->owner->{$relationshipName}(), $config);
return $gridField;
}
/**
* Adds many_many relationships based off relationship_name and related_class_name, and many_many_extraFields such as 'Sort'.
*
* @param null $class
* @param null $extension
* @return array
*/
public function extraStatics($class = null, $extension = null)
{
$extra = [];
if (static::sortable()) {
$extra = ['many_many_extraFields' => [static::relationship_name() => [static::SortFieldName => 'Int']]];
}
return array_merge_recursive(parent::extraStatics($class, $extension), $extra, ['many_many' => [static::relationship_name() => static::related_class_name()]]);
}
public function extraStatics($class = null, $extension = null)
{
return array_merge_recursive(parent::extraStatics($class, $extension) ?: [], ['has_many' => [static::RelationshipName => static::RelatedClassName]]);
}