Mutual influence selection and impact Selection

Mutual influence selection and impact Selection
Models

public function getLists($company_id = ''){$companye_model = Company::model()->findByPk($company_id);if($companye_model){$model = $this->model()->findAll(array('condition' => 'pid=:pid','params' => array(':pid'=>$companye_model->id),));}else{$model = $this->model()->findAll();}if(is_null($model))return  null;$data = array();foreach ($model as $key => $value) {$data[$value->id] = $value->name;}return $data;}

$ _ Form

<div class="row col-xs-8"><div class="col-xs-2"><?php echo $form->labelEx($model,'pid'); ?></div>        <div class="col-xs-9">        <?php echo CHtml::dropDownList('CompanyProduct[pid]','CompanyProduct[pid]', Company::model()->getLists(), array(            'class'=>'form-control',            'ajax'=>array(                'type'=>'GET',                'url'=>CController::createUrl('/companyProduct/getType'),                'update'=>'#CompanyProduct_typeid',                'data'=>array('mid'=>"js:this.value",'typeid'=>1)             ))        ); ?>        </div>    </div><div class="row col-xs-8"><div class="col-xs-2"><?php echo $form->labelEx($model,'typeid'); ?></div><div class="col-xs-9"><?php echo CHtml::activeDropDownList($model,'typeid',ProductType::model()->getLists(),array('class'=>'form-control')); ?><?php echo $form->error($model,'typeid'); ?></div></div>

Controller

public function actionGetType($mid){$results = ProductType::model()->getLists($mid);foreach ($results as $key => $value) {echo CHtml::tag('option', array('value'=>$key),CHtml::encode($value),true);# code...}}