protected function getClientOptions()
{
$options = [];
$attribute = Html::getAttributeName($this->attribute);
if (!in_array($attribute, $this->model->activeAttributes(), true)) {
return [];
}
$validators = [];
foreach ($this->model->getActiveValidators($attribute) as $validator) {
/* @var $validator \yii\validators\Validator */
$js = $validator->clientValidateAttribute($this->model, $attribute, $this->form->getView());
if ($validator->enableClientValidation && $js != '') {
if ($validator->whenClient !== null) {
$js = "if (({$validator->whenClient})(attribute, value)) { {$js} }";
}
$validators[] = $js;
}
}
if (!empty($validators)) {
$options['validate_extra'] = new JsExpression("function (attribute, value, messages, deferred, \$form) {" . implode('', $validators) . '}');
}
return array_merge($options, parent::getClientOptions());
}
/**
* @param string|null $label the label or null to use model label
* @param array $options the tag options
*/
protected function renderLabelParts($label = null, $options = [])
{
$options = array_merge($this->labelOptions, $options);
if ($label === null) {
if (isset($options['label'])) {
$label = $options['label'];
unset($options['label']);
} else {
$attribute = Html::getAttributeName($this->attribute);
$label = Html::encode($this->model->getAttributeLabel($attribute));
}
}
if (!isset($options['for'])) {
$options['for'] = Html::getInputId($this->model, $this->attribute);
}
$this->parts['{beginLabel}'] = Html::beginTag('label', $options);
$this->parts['{endLabel}'] = Html::endTag('label');
if (!isset($this->parts['{labelTitle}'])) {
$this->parts['{labelTitle}'] = $label;
}
}