/**
* Render shortcode preview in a blank page
* @return Ambigous <string, mixed>|WP_Error
*/
function shortcode_iframe_preview()
{
global $wr_megamenu_element;
if (isset($_GET['wr_shortcode_preview'])) {
if (!isset($_GET['wr_shortcode_name']) || !isset($_POST['params'])) {
return __('empty shortcode name / parameters', WR_MEGAMENU_TEXTDOMAIN);
}
if (!isset($_GET[WR_MEGAMENU_NONCE]) || !wp_verify_nonce($_GET[WR_MEGAMENU_NONCE], WR_MEGAMENU_NONCE)) {
return;
}
$shortcode = esc_sql($_GET['wr_shortcode_name']);
$params = urldecode($_POST['params']);
$pattern = '/^\\[wr_megamenu_widget/i';
if (!preg_match($pattern, trim($params))) {
// get shortcode class
$class = WR_Megamenu_Helpers_Shortcode::get_shortcode_class($shortcode);
// get option settings of shortcode
$elements = $wr_megamenu_element->get_elements();
$element = isset($elements['element'][strtolower($class)]) ? $elements['element'][strtolower($class)] : null;
if (!is_object($element)) {
$element = new $class();
}
if ($_POST['params']) {
$extract_params = WR_Megamenu_Helpers_Shortcode::extract_params($params, $shortcode);
} else {
$extract_params = $element->config;
}
$element->shortcode_data();
$_shortcode_content = $extract_params['_shortcode_content'];
// Keep non-WR shortcode as they are in preview iframe
$_shortcode_content = str_replace('[', '[', $_shortcode_content);
$_shortcode_content = str_replace('[wr_', '[wr_', $_shortcode_content);
$_shortcode_content = str_replace('[/wr_', '[/wr_', $_shortcode_content);
$content = $element->element_shortcode($extract_params, $_shortcode_content);
} else {
$class = 'WR_Megamenu_Widget';
$content = '<script type="text/javascript">jQuery.noConflict();</script>';
$content .= WR_Megamenu_Helpers_Shortcode::widget_content(array($params));
}
global $Wr_Megamenu_Preview_Class;
$Wr_Megamenu_Preview_Class = $class;
$html = '<div id="shortcode_inner_wrapper" class="jsn-bootstrap3">';
$html .= $content;
$html .= '</div>';
echo balanceTags($html);
}
}
