//howto controller
public function actionCreate()
    {
        Yii::import('ext.multimodelform.MultiModelForm');
        $step = new Step;
        $model = new Howto;
        $validatedSteps = array(); //ensure an empty array

        $this->performAjaxValidation( $model, 'howto-form' );
        if ( isset ( $_POST['Howto'] ) )
        {
            $model->attributes = $_POST['Howto'];
            $masterValues = array ('howto_id'=>$model->id);
             if ( MultiModelForm::save($step,$validatedSteps,$deleteSteps,$masterValues) &&
            $model->save()
           )
                $this->redirect( array( 'view' , 'id'=>$model->id ) );
        }


        $this->render('create',array(
            'model'=>$model,
            'step'=>$step,
            'validatedSteps'=>$validatedSteps
        ));
    }

    /**
     * Updates a particular model.
     * If update is successful, the browser will be redirected to the 'view' page.
     */


    public function actionUpdate($id)
    {
         Yii::import('ext.multimodelform.MultiModelForm');
        $model = $this->loadModel($id);
        $step = new Step;
        $validatedSteps = array(); //ensure an empty array
        $this->performAjaxValidation( $model, 'howto-form' );


        if ( isset ( $_POST['Howto'] ) )
        {
            $model->attributes = $_POST['Howto'];
            $masterValues = array ('howto_id'=>$model->id);
             if ( MultiModelForm::save($step,$validatedSteps,$deleteSteps,$masterValues) &&
            $model->save()
           )
                $this->redirect( array( 'view' , 'id'=>$model->id ) );
        }


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

//howto/create

<h1>Share some knowledge!</h1>


<?php echo $this->renderPartial('_form',
        array( 'model'=>$model,'step'=>$step,'validatedSteps'=>$validatedSteps ) ); ?>

//howto/update

<?php
$this->breadcrumbs=array(
    $model->title=>$model->url,
    'Update',
);
?>

<h1>Update <i><?php echo CHtml::encode( $model->title ); ?></i></h1>

<?php echo $this->renderPartial('_form',
        array( 'model'=>$model,'step'=>$step,'validatedSteps'=>$validatedSteps ) ); ?>







// howto/_form
<div class="form">

<?php
    $form = $this->beginWidget('BootActiveForm',
    array(
        'id'=>'howto-form',
        'enableAjaxValidation'=>true,
        'enableClientValidation'=>true,
         'clientOptions' =>
         array(
          'validateOnSubmit'=>true,
          'validateOnChange'=>true,
          'validateOnType'=>true,
             ),
        'htmlOptions'=>array( 'class'=>'well' ),
        ) );
 ?>

    <?php     echo $form->errorSummary(array_merge(array($model),$validatedSteps));?>

    <div class="row">
        <?php echo $form->labelEx($model,'title'); ?>
        <?php echo $form->textField($model,'title',array('size'=>80,'maxlength'=>128)); ?>
        <?php echo $form->error($model,'title'); ?>
    </div>

    <div class="row">
    <?php echo $form->error($model,'content'); ?>
    <?php echo $form->textArea($model,'content',array('style'=>'display:none'));?>
    <?php
        $this->widget('application.extensions.elrte.elRTE',
        array(
            'selector'=>'#Howto_content',
            'userid'=>Yii::app()->user->id,
        ));
    ?>

    </div>

    <div class="row">
        <?php echo $form->labelEx($model,'tags'); ?>
        <?php $this->widget('CAutoComplete', array(
            'model'=>$model,
            'attribute'=>'tags',
            'url'=>array('suggestTags'),
            'multiple'=>true,
            'htmlOptions'=>array('size'=>50),
        )); ?>
        <p class="hint">Please separate different tags with commas.</p>
        <?php echo $form->error($model,'tags'); ?>
    </div>

    <div class="row">
        <?php echo $form->labelEx($model,'status'); ?>
        <?php echo $form->dropDownList($model,'status',Lookup::items('HowtoStatus')); ?>
        <?php echo $form->error($model,'status'); ?>
    </div>

    <a onClick="$('#stepContainer').show();" rel=".id_step_copy" href="#" id="id_step">Manage Steps</a>

    <div id="stepContainer" style="display:none">
<?php
    $stepFormConfig = array(
      'elements'=>array(
        'title'=>array(
            'type'=>'text',
            'maxlength'=>40,
        ),
        'text'=>array(
            'type'=>'textarea',
            'maxlength'=>6000,
            'class'=>'eltre',
        ),

    ));

    $this->widget('ext.multimodelform.MultiModelForm',
    array(
        'id' => 'id_step', //the unique widget id
        'formConfig' => $stepFormConfig, //the form configuration array
        'model' => $step, //instance of the form model
        'jsAfterClone'=>'$("#editorPlaceholder").load("/howto/eltre")',
        'tableView'=>false,
        'addItemText'=>'',
        //if submitted not empty from the controller,
        //the form will be rendered with validation errors
        'validatedItems' => $validatedSteps,

        //array of member instances loaded from db
        'data' => $step->findAll('howto_id=:howtoId', array(':howtoId'=>$model->id)),
    ));
?>

    <div id="editorPlaceholder"></div>


    <div class="row buttons">
        <?php echo CHtml::submitButton($model->isNewRecord ? 'Create' : 'Save',
            array( 'class'=>'btn btn-primary' ) ); ?>
    </div>

<?php $this->endWidget(); ?>
        </div><!-- stepContainer-->
    </div><!-- form -->