/**
* @param $value \gromver\models\fields\BaseField
* @return array|null
*/
protected function validateValue($value)
{
if ($this->required && !count($value->getValue())) {
return [$this->requiredMessage ? $this->requiredMessage : Yii::t('gromver.models', 'Field {attribute} can\'t be empty.'), []];
}
if (!$this->model->validate()) {
return [$this->message ? $this->message : Yii::t('gromver.models', 'Field {attribute} contains no valid items.'), []];
}
}
/**
* @param Yii\widgets\ActiveForm $form
* @return string
*/
protected function renderExtraFields($form)
{
if ($this->extra <= 0) {
return '';
}
$model = new ArrayModel($this->model, $this->_fieldConfig);
$model->on(BaseModel::EVENT_FORM_NAME, [$this, 'prefixedFormName']);
$extra = $this->extra;
$index = count($this->_value);
while ($extra--) {
$model[$index++] = null;
}
$fields = $model->modelFields();
$html = '';
/** @var $field \gromver\models\fields\BaseField */
foreach ($fields as $field) {
$html .= strtr('<div class="grom-field-multiple-field grom-field-multiple-field_extra">{remove}{down}{up}{field}</div>', ['{field}' => $field->field($form), '{up}' => Html::button('<i class="glyphicon glyphicon-chevron-up"></i>', ['class' => 'grom-field-multiple-up-btn']), '{down}' => Html::button('<i class="glyphicon glyphicon-chevron-down"></i>', ['class' => 'grom-field-multiple-down-btn']), '{remove}' => Html::button('<i class="glyphicon glyphicon-remove"></i>', ['class' => 'grom-field-multiple-close-btn'])]);
}
return $html;
}
