/**
* Returns [['entityClass' => $entityClass, 'idAlias' => $entityIdAlias], ...] for all configured tags columns.
*
* @param DatagridConfiguration $config
*
* @return array
*/
protected function getTagColumnDefinitions(DatagridConfiguration $config)
{
$aliases = $config->offsetGetByPath(self::GRID_COLUMN_ALIAS_PATH);
$tagColumns = [];
if (null === $aliases) {
return $tagColumns;
}
$joinIdentifierHelper = $this->getJoinIdentifierHelper();
foreach ($aliases as $key => $alias) {
$field = $joinIdentifierHelper->getFieldName($key);
if ($field === TagVirtualFieldProvider::TAG_FIELD) {
// get entity class from relations aliases if tag_field configured for relations
$entityClassName = $joinIdentifierHelper->getEntityClassName($key) ?: parent::getEntity($config);
$tagColumns[] = ['idAlias' => $alias, 'entityClass' => $entityClassName];
}
}
return $tagColumns;
}
