/** * Method to get the list of images field options. * Use the filter attribute to specify allowable file extensions. * * @return array The field option objects. */ protected function getOptions() { // Define the image file type filter. $filter = '\\.png$|\\.gif$|\\.jpg$|\\.bmp$|\\.ico$|\\.jpeg$|\\.psd$|\\.eps$'; // Set the form field element attribute for file type filter. $this->element->addAttribute('filter', $filter); // Get the field options. return parent::getOptions(); }