/**
* This is the core function that actually is called when a shortcode
* is parsed
*
* @param string $atts
* @return string
*/
function unc_gallery_apply($atts = array())
{
global $UNC_GALLERY;
if ($UNC_GALLERY['debug']) {
XMPP_ERROR_trace(__FUNCTION__, func_get_args());
}
$check = unc_gallery_display_var_init($atts);
if ($check) {
return unc_gallery_display_page();
} else {
$err_text = implode("<br>", $UNC_GALLERY['errors']);
$UNC_GALLERY['errors'] = array();
return $err_text;
}
}
/**
* This is the function called by Ajax when the filter dropdown on the website is updated
*
* @global type $wpdb
* @global type $UNC_GALLERY
* @return type
*/
function unc_filter_update()
{
global $UNC_GALLERY;
if ($UNC_GALLERY['debug']) {
XMPP_ERROR_trace(__FUNCTION__);
}
$filter_key = filter_input(INPUT_GET, 'filter_key', FILTER_SANITIZE_STRING);
$filter_value = filter_input(INPUT_GET, 'filter_value', FILTER_SANITIZE_STRING);
$filter_group = filter_input(INPUT_GET, 'filter_group', FILTER_SANITIZE_STRING);
$filter_name = filter_input(INPUT_GET, 'filter_name', FILTER_SANITIZE_STRING);
$options = filter_input(INPUT_GET, 'options', FILTER_SANITIZE_STRING);
$filter_str = '';
if (strlen($filter_group) > 1) {
// we have a group set
$filter_str = $filter_group;
} else {
if ($filter_key == 'group') {
// the group was chosen
$filter_str = $filter_value;
} else {
echo "error in filter group!";
}
}
if (strlen($filter_name) > 0) {
// we have a name set
$filter_str .= "|{$filter_name}";
} else {
if ($filter_key == 'att_name') {
// the group was chosen
$filter_str .= "|{$filter_value}";
}
}
if ($filter_key == 'att_value' && $filter_value != 'false') {
$filter_str .= "|{$filter_value}";
}
// the following line has ECHO = FALSE because we do the echo here
unc_gallery_display_var_init(array('type' => 'filter', 'filter' => $filter_str, 'echo' => false, 'options' => $options));
ob_clean();
echo unc_gallery_display_page();
wp_die();
}