/**
* Return an instance of this class.
* @return object A single instance of this class.
*/
public static function get_instance()
{
// If the single instance hasn't been set, set it now.
if (is_null(self::$instance)) {
self::$instance = new self();
}
return self::$instance;
}
/**
* AJAX Add Icon Font.
*/
public static function add_iconfont()
{
check_ajax_referer('add-custom-iconfont', 'security');
if (!current_user_can('manage_axiscomposer')) {
die(-1);
}
// Get the zip file path.
$value = $_POST['value'];
$zip_file = realpath(get_attached_file($value['id']));
// Unpack a compressed package file.
$unpack = AC_Iconfont::unpack_package($zip_file);
}
/**
* Get all iconfonts charlist.
* @return array
*/
function ac_get_iconfont_charlist()
{
return AC_Iconfont::load_all_charlist();
}
/**
* Load all iconfonts charlist.
* @return array
*/
public static function load_all_charlist()
{
if (!empty(self::$charlist)) {
return self::$charlist;
}
$char_sets = array();
$iconfonts = self::get_all_iconfonts();
foreach ($iconfonts as $iconfont) {
$chars = array();
$charmap = path_join($iconfont['font_dir'], $iconfont['charmap']);
if ($charmap && is_readable($charmap)) {
include_once $charmap;
}
if (!empty($chars)) {
$char_sets = array_merge($char_sets, $chars);
}
}
// Cache the result
self::$charlist = $char_sets;
return $char_sets;
}
