/**
* @inheritdoc
*/
public function __unset($name)
{
if ($this->hasAttribute($name)) {
unset($this->_attributes[$name]);
return true;
}
return parent::__unset($name);
}
/**
* @inheritdoc
*/
public function __construct($dataSource, $context = false)
{
foreach ($dataSource->models as $item) {
$this->add($item);
}
$this->direction = $dataSource->direction;
$this->context = $context;
parent::__construct();
}
/**
* @inheritdoc
*/
public function __isset($name)
{
if (array_key_exists($name, $this->_options)) {
return isset($this->_options[$name]);
} elseif (array_key_exists($name, $this->_defaultOptions)) {
return isset($this->_defaultOptions[$name]);
}
return parent::__get($name);
}
/**
* @inheritdoc
*/
public function init()
{
parent::init();
if (!is_null($this->default) && !$this->model->isAttributeChanged($this->field)) {
$this->model->{$this->field} = $this->default;
}
if (in_array($this->field, $this->possiblePrimaryKeys)) {
$this->required = true;
}
}
