action editable actions function

function-actions-editablecolumn

 public function actions() {
        // tutorial for EditableColumnAction to work found at
        // http://webtips.krajee.com/rapidly-setup-gridview-editable-cells-with-editable-column-action/
        return ArrayHelper::merge(parent::actions(), [
            'editappt' =>[
            //identifier for your editable action
            'class' => EditableColumnAction::className(),
            // action class name
            'modelClass' => Appt::className(),
            /* the update model class
            'outputValue' => function ($model,$attribute,$key,$index) {
                $fmt = Yii::$app->formatter;
                $value = $model->$attribute;
            //your attribute value
                if ($attribute === 'buy_amount') {
                // selective validation by attribute
                    return $fmt->asDecimal($value,2);
                //return formatted value if desired
                } elseif ($attribute === 'publish_date') {
                    //selective validation by attribute
                    return $fmt->asDate($value, 'php:Y-m-d');
                    // return formatted value if desired
                }
                return '';
                //empty is same as $value
                },
                'outputMessage' => function($model,$attribute,$key,$index) {
                    return '';
                // any custom error after model save
                },
                    // 'showModelErrors' => true,
                //show model errors after save
                    // 'errorOptions' => ['header' => '']
                //error summary HTML options
                    // 'postOnly' => true,
                    // 'ajaxOnly' => true,
                    // 'findModel' => function($id, $action) {},
                    // 'checkAccess' => function($action, $model) {} */
            
            ]
            ]);
        }