/**
* Sanitize widget form values as they are saved.
*
* @see WP_Widget::update()
*
* @param array $new_instance Values just sent to be saved.
* @param array $old_instance Previously saved values from database.
*
* @return array Updated safe values to be saved.
*/
public function update($new_instance, $old_instance)
{
if (!class_exists('Facebook_Recommendations_Box')) {
require_once dirname(dirname(__FILE__)) . '/class-facebook-recommendations-box.php';
}
$instance = array();
if (!empty($new_instance['title'])) {
$instance['title'] = strip_tags($new_instance['title']);
}
$box = Facebook_Recommendations_Box::fromArray($new_instance);
if ($box) {
$box_options = $box->toHTMLDataArray();
if (isset($box_options['header'])) {
if ($box_options['header'] === 'false') {
$box_options['header'] = false;
} else {
$box_options['header'] = true;
}
}
if (isset($box_options['border-color'])) {
$box_options['border_color'] = $box_options['border-color'];
unset($box_options['border-color']);
}
if (isset($box_options['max-age'])) {
$box_options['max_age'] = absint($box_options['max-age']);
unset($box_options['max-age']);
}
foreach (array('width', 'height') as $option) {
$box_options[$option] = absint($box_options[$option]);
}
return array_merge($instance, $box_options);
}
return $instance;
}
/**
* Convert the class to data-* attribute friendly associative array
* will become data-key="value"
* Exclude values if default
*
* @return array associative array
*/
public function toHTMLDataArray()
{
$data = parent::toHTMLDataArray();
if (isset($this->recommendations) && $this->recommendations === true) {
$data['recommendations'] = 'true';
}
if (isset($this->filter)) {
$data['filter'] = $this->filter;
}
return $data;
}
/**
* convert an options array into an object
*
* @since 1.1
* @param array $values associative array
* @return Facebook_Recommendations_Box recommendations box object
*/
public static function fromArray($values)
{
if (!is_array($values) || empty($values)) {
return;
}
$box = new Facebook_Recommendations_Box();
if (isset($values['site'])) {
$box->setSite($values['site']);
}
if (isset($values['action'])) {
if (is_string($values['action'])) {
$box->addAction($values['action']);
} else {
if (is_array($values['action'])) {
foreach ($values['action'] as $action) {
$box->addAction($action);
}
}
}
}
if (isset($values['app_id'])) {
$box->setAppID($values['app_id']);
}
if (isset($values['width'])) {
$box->setWidth(absint($values['width']));
}
if (isset($values['height'])) {
$box->setHeight(absint($values['height']));
}
if (isset($values['header']) && ($values['header'] === true || $values['header'] == 1 || $values['header'] === 'true')) {
$box->showHeader();
} else {
$box->hideHeader();
}
if (isset($values['border_color'])) {
$box->setBorderColor($values['border_color']);
}
if (isset($values['linktarget'])) {
$box->setLinkTarget($values['linktarget']);
}
if (isset($values['max_age'])) {
$box->setMaxAge(absint($values['max_age']));
}
if (isset($values['font'])) {
$box->setFont($values['font']);
}
if (isset($values['colorscheme'])) {
$box->setColorScheme($values['colorscheme']);
}
if (isset($values['ref'])) {
$box->setReference($values['ref']);
}
return $box;
}