//Models
<?php
/**
 * @property integer $cd_user_usr
 * @property string $ds_nick_usr
 * @property string $ds_email_usr
 * @property string $ds_password_usr
 * @property string $dt_add_usr
 * @property string $dt_upd_usr
 * @property integer $fl_deleted_usr
 */


class User extends CActiveRecord {

    public function init(){
        parent::init();

    }

    public static function model($className=__CLASS__)
    {
        return parent::model($className);
    }

    public function tableName()
    {
        return 'tb_user';
    }

    public function primaryKey(){

        return 'cd_user_usr';
    }

    public function  rules(){
        return array(
            array('ds_nick_usr, ds_email_usr, ds_password_usr', 'required'),
            array('usergroup.cd_group_grp', 'required'),
            array('dt_add_usr, dt_upd_usr, fl_deleted_usr', 'safe'),


        );

    }

    public function attributeLabels(){
        return array(
            'cd_user_usr'=> 'ID',
            'ds_nick_usr' => 'Usuário:',
            'ds_email_usr' => 'E-Mail:',
            'ds_password_usr' => 'Senha:',
            'dt_add_usr' => 'Data adicinado:',
            'dt_upd_usr' => 'Data atualização:',
            'fl_deleted_usr' => 'Deletado:',
        );

    }

    public function scopeDeleted(){
        $this->getDbCriteria()->mergeWith(array(
            'condition'=>'fl_deleted_usr = 0',
        ));
        return $this;

    }

    public function relations()
    {
        return array(
            'usergroup'=>array(self::BELONGS_TO, 'UserGroup', 'cd_user_usr'),
        );
    }

    public function afterSave(){


        if(!$this->isNewRecord){
            $usergroup = UserGroup::model()->scopeUser($this->cd_user_usr)->find();
            $usergroup->cd_group_grp = $this->usergroup->cd_group_grp;
            $usergroup->save();
        }else{
            echo $this->usergroup->cd_group_grp;
            die;
            $usgroup = new UserGroup;
            $usgroup->cd_user_usr = $this->cd_user_usr;
            $usgroup->cd_group_grp = $this->usergroup->cd_group_grp;
            $usgroup->save();
        }
    }

}

//Controller
<?php

class UserController extends Controller
{
    /**
     * Declares class-based actions.
     */
    public function actions()
    {
        return array(
            // captcha action renders the CAPTCHA image displayed on the contact page
            'captcha'=>array(
                'class'=>'CCaptchaAction',
                'backColor'=>0xFFFFFF,
            ),
            // page action renders "static" pages stored under 'protected/views/site/pages'
            // They can be accessed via: index.php?r=site/page&view=FileName
            'page'=>array(
                'class'=>'CViewAction',
            ),
        );
    }

    /**
     * This is the default 'index' action that is invoked
     * when an action is not explicitly requested by users.
     */
    public function actionIndex()
    {
        if(Yii::app()->user->isGuest)
            return $this->redirect(array('site/login'));

        // renders the view file 'protected/views/site/index.php'
        // using the default layout 'protected/views/layouts/main.php'
        $dataProvider = new CArrayDataProvider(User::model()->with('usergroup')->findAll(),
            array('keyField'=>false,
                  'pagination'=>array(
                      'pageSize'=>30,
                  ),
            ));

        $this->render('index', array(
                'dataProvider'=> $dataProvider,
        ));
    }

    public function actionAdd(){
        if(Yii::app()->user->isGuest)
            return $this->redirect(array('site/login'));

        $model = new User;

        $model->fl_deleted_usr = 0;
        $model->dt_add_usr = time();
        $model->dt_upd_usr = time();

        if($model->checkPosted())
        {
            //CVarDumper::dump($model, 10, true);
            //echo $model->usergroup['cd_group_grp'];
                if($model->execute())
                {
                    $this->redirect('index');
                }
            }

            $this->render('add',array(
                'model'=>$model,
            ));

    }

    public function actionUpdate(){
        if(Yii::app()->user->isGuest)
            return $this->redirect(array('site/login'));

        $model = $this->loadUser();

        if($model->checkPosted())
        {
            if($model->execute())
            {
                $this->redirect(array('index'));
            }
        }

        $this->render('update',array(
            'model'=>$model,
        ));


    }

    public function actionDelete(){

        if(Yii::app()->user->isGuest)
            return $this->redirect(array('site/login'));

        $model = $this->loadUser();
        $model->fl_deleted_usr = '1';
        $model->dt_upd_usr = time();

        /*if($model->checkPosted())
        {
            if($model->execute())
            {
                $this->redirect('index');
            }
        }

        $this->render('update',array(
            'model'=>$model,
        ));*/

    }

    /**
     * This is the action to handle external exceptions.
     */
    public function actionError()
    {
        if($error=Yii::app()->errorHandler->error)
        {
            if(Yii::app()->request->isAjaxRequest)
                echo $error['message'];
            else
                $this->render('error', $error);
        }
    }

    public function loadUser(){

        $model = User::model()->with('usergroup')->findByPk(Yii::app()->request->getParam('id', null));

        if(!isset($model))
            $model = new User;

        return $model;


    }

}

//view
<?php /** @var BootActiveForm $form */

$this->widget('bootstrap.widgets.TbBreadcrumbs', array(
    'links'=>array('Usuários'=>'#', 'Adicionar'),
));

$form = $this->beginWidget('bootstrap.widgets.TbActiveForm', array(
    'id'=>'horizontalForm',
    'type'=>'horizontal',
)); ?>
<table>

    <fieldset>
        <td><legend>Usuários</legend></td>
        <tr>
            <td><?php echo $form->textFieldRow($model, 'ds_nick_usr',
                    array('class'=>'form')); ?></td>
        </tr>
        <tr>
            <td><?php echo $form->textFieldRow($model, 'ds_email_usr',
                    array()); ?></td>
        </tr>
        <tr>
            <td><?php echo $form->passwordFieldRow($model, 'ds_password_usr',
                    array()); ?></td>
        </tr>
        <tr>
            <td><?php
                $grupo = CHtml::listData(Group::model()->scopeDeleted()->findAll(), 'cd_group_grp', 'ds_name_grp');
                echo $form->dropDownListRow($model, 'usergroup.cd_group_grp',$grupo); ?>
            </td>
        </tr>





    </fieldset>

    <tr>
        <td>
            <div class="form-buttons">
                <?php $this->widget('bootstrap.widgets.TbButton', array('buttonType'=>'submit', 'type'=>'inverse', 'label'=>'Salvar')); ?>
                <?php $this->widget('bootstrap.widgets.TbButton', array('buttonType'=>'primary', 'label'=>'Voltar', 'url'=>Yii::app()->createUrl('/admin/user/index'),)); ?>
            </div>
        </td>

    </tr>

    <?php $this->endWidget(); ?>