Yii - Linked drop-down menu, can be multi-level_PHP tutorial

view file

[html]

getMemGroup(),array(

'class'=>'s_ipt w_120',

'empty'=>'Please select a member group',

'ajax' =>array(

                'type'=>'GET',  

                'url'=>CController::createUrl('cmpTemplates/getMemType'),  

                'update'=>'#CmpTemplates_zmg_ids',

'data' = & gt; array ('mid' = & gt; "js: this.value")

            ),

))?>

dropDownList($model,'zmg_ids',array(),array('class'=>'s_ipt w_120','empty'=>'Select membership level' ))?>

Controller

[html]

/**

* Get the membership group and the corresponding membership level for use in the drop-down menu

*/

public function actionGetMemType($mid=0)

{

$criteria=new CDbCriteria;

$criteria->compare('zmg_id',$mid);

$memType = MemType::model()->findAll($criteria);

$name = 'Select membership level';

echo CHtml::tag('option', array('value'=>0), $name, true);

foreach($memType as $val) {

echo CHtml::tag('option', array('value'=>$val->zmt_id),CHtml::encode($val->zmt_title),true);

}

}

Model

[html]

/*

* Get member group information

*/

public function getMemGroup($type=null){

if($type==null){

$criteria=new CDbCriteria;

$criteria->compare('type','1');

$memGroup = MemGroup::model()->findAll($criteria);

return CHtml::listData($memGroup,'zmg_id','zmg_title');

}else{

$level = $this->getMemGroup();

if(array_key_exists($type,$level)){

return $level[$type];

} }

}

}

http://www.bkjia.com/PHPjc/477691.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/477691.htmlTechArticleView file [html] ?php echo CHtml::activeDropDownList($model,zmg_id,MemGroup::model() -getMemGroup(),array( class=s_ipt w_120, empty=Please select a member group, ajax =array( type=GET, url=...