public function run()
 {
     $this->inputOptions = ArrayHelper::merge(['placeholder' => !empty($this->placeholder) ? $this->placeholder : null, 'ng-model' => !empty($this->bufferModel) ? $this->bufferModel : null], $this->inputOptions);
     $chipTemplate = $this->chipTemplate ? Html::tag('md-chip-template', $this->chipTemplate) : '';
     if ($this->model && $this->attribute) {
         echo Html::activeHiddenInput($this->model, $this->attribute);
     }
     $content = Html::textInput(null, null, $this->inputOptions);
     echo Html::tag('md-chips', $content . $chipTemplate, $this->options);
 }