public function getAttributeLabel($attribute)
{
$labels = $this->attributeLabels();
if (isset($labels[$attribute])) {
return $labels[$attribute];
} elseif (strpos($attribute, '.')) {
$attributeParts = explode('.', $attribute);
$neededAttribute = array_pop($attributeParts);
$relatedModel = $this;
foreach ($attributeParts as $relationName) {
if ($relatedModel->isRelationPopulated($relationName) && $relatedModel->{$relationName} instanceof self) {
$relatedModel = $relatedModel->{$relationName};
} else {
try {
$relation = $relatedModel->getRelation($relationName);
} catch (InvalidParamException $e) {
return $this->generateAttributeLabel($attribute);
}
$relatedModel = new $relation->modelClass();
}
}
$labels = $relatedModel->attributeLabels();
if (isset($labels[$neededAttribute])) {
return $labels[$neededAttribute];
}
}
return $this->generateAttributeLabel($attribute);
}