/**
* Returns the JS options for the field.
* @return array the JS options
*/
protected function getClientOptions()
{
$attribute = Html::getAttributeName($this->attribute);
if (!in_array($attribute, $this->model->activeAttributes(), true)) {
return [];
}
$enableClientValidation = $this->enableClientValidation || $this->enableClientValidation === null && $this->form->enableClientValidation;
$enableAjaxValidation = $this->enableAjaxValidation || $this->enableAjaxValidation === null && $this->form->enableAjaxValidation;
if ($enableClientValidation) {
$validators = [];
foreach ($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[] = $js;
}
}
}
if (!$enableAjaxValidation && (!$enableClientValidation || empty($validators))) {
return [];
}
$options = [];
$inputID = Html::getInputId($this->model, $this->attribute);
$options['id'] = $inputID;
$options['name'] = $this->attribute;
$options['container'] = isset($this->selectors['container']) ? $this->selectors['container'] : ".field-{$inputID}";
$options['input'] = isset($this->selectors['input']) ? $this->selectors['input'] : "#{$inputID}";
if (isset($this->selectors['error'])) {
$options['error'] = $this->selectors['error'];
} elseif (isset($this->errorOptions['class'])) {
$options['error'] = '.' . implode('.', preg_split('/\\s+/', $this->errorOptions['class'], -1, PREG_SPLIT_NO_EMPTY));
} else {
$options['error'] = isset($this->errorOptions['tag']) ? $this->errorOptions['tag'] : 'span';
}
$options['encodeError'] = !isset($this->errorOptions['encode']) || $this->errorOptions['encode'];
if ($enableAjaxValidation) {
$options['enableAjaxValidation'] = true;
}
foreach (['validateOnChange', 'validateOnBlur', 'validateOnType', 'validationDelay'] as $name) {
$options[$name] = $this->{$name} === null ? $this->form->{$name} : $this->{$name};
}
if (!empty($validators)) {
$options['validate'] = new JsExpression("function (attribute, value, messages, deferred, \$form) {" . implode('', $validators) . '}');
}
// only get the options that are different from the default ones (set in yii.activeForm.js)
return array_diff_assoc($options, ['validateOnChange' => true, 'validateOnBlur' => true, 'validateOnType' => false, 'validationDelay' => 500, 'encodeError' => true, 'error' => '.help-block']);
}