Yii Framework: CListView and searching

Hoge.php

<?php
class Hoge extends CActiveRecord
{
    ...
    public function getAll($q)
    {
        $c = new CDbCriteria();
        $c->addSearchCondition('t.fuga', $q);
            
        return new CActiveDataProvider(get_class($this), array(
            'criteria' => $c,
            'sort' => array(
                'defaultOrder' => 't.id DESC',
            ),
            'pagination' => array(
                'params' => $q ? compact('q') : null,
            ),
        ));
    }

HogeController.php

<?php
class HogeController extends Controller
{
    /**
     * Lists all models.
     */
    public function actionIndex()
    {
        $q = trim(mb_convert_kana(Yii::app()->request->getParam('q'), 's', 'UTF-8');
        $dataProvider = Hoge::model()->getAll($q);
        
        $this->render('index', compact('q', 'dataProvider'));
    }

index.php

<div class="form">
    <?php echo CHtml::form($this->createUrl($this->route)); ?>

    <div class="row">
        キーワード検索<br />
        ( 入力後「Enterキー」を押してください )<br />
        <?php echo CHtml::textField('q', $q); ?>
    </div><!-- /.row -->

    <?php echo CHtml::endForm(); ?>
</div><!-- /.form -->

<?php $this->widget('zii.widgets.CListView', array(
    'dataProvider' => $dataProvider,
    'itemView' => '_view',
)); ?>

Thanks for sharing! this is helpfull!
Can you help me add submit button when type finnished!