public function actionGetChilds()
{
$pid = 0;
for ($i = 2; $i >= 0; $i--) {
if (isset($_POST['type_id_lvl' . $i])) {
if ($pid = (int) $_POST['type_id_lvl' . $i]) {
break;
}
}
}
$data = XataType::model()->findAll('parent=:parent_id', array(':parent_id' => $pid));
$data = CHtml::listData($data, 'id', 'caption');
foreach ($data as $value => $name) {
echo CHtml::tag('option', array('value' => $value), CHtml::encode($name), true);
}
}
<?php
$form = $this->beginWidget('CActiveForm', array('id' => 'xata-form', 'enableAjaxValidation' => false));
?>
<?php
echo $form->errorSummary($model);
?>
<div class="row">
<?php
echo CHtml::label(Yii::t('xata', 'Type'), '#type_id_lvl0');
?>
<?php
echo CHtml::dropDownList('type_id_lvl0', '', CHtml::listData(XataType::model()->findAll('parent is NULL'), 'id', 'caption'), array('style' => 'width:150px', 'value' => 1, 'empty' => Yii::t('xata', 'Chose one...'), 'ajax' => array('type' => 'POST', 'url' => CController::createUrl('xataType/getchilds'), 'update' => '#type_id_lvl1')));
?>
<?php
echo CHtml::dropDownList('type_id_lvl1', '', CHtml::listData(array(), 'id', 'caption'), array('style' => 'width:170px', 'empty' => Yii::t('xata', 'More exactly...'), 'ajax' => array('type' => 'POST', 'url' => CController::createUrl('xataType/getchilds'), 'update' => '#type_id_lvl2')));
?>
<?php
echo CHtml::dropDownList('type_id_lvl2', '', CHtml::listData(array(), 'id', 'caption'), array('style' => 'width:170px', 'empty' => Yii::t('xata', 'More exactly...')));
?>
</div>
<div class="row">
<?php
echo $form->labelEx($model, 'cost');
?>
<?php
