/**
* Pushes a new theme url to the end of the cascade --
* if a theme file doesn't exist, we go backwards through the cascade
* and if we locate it under a previous theme url, we use that one.
* NOTE: If your webserver supports .htaccess files, you can implement
* cascading themes much more efficiently: simply push ONE theme url
* using this function, and implement the cascade using .htaccess files.
* @method pushThemeUrl
* @static
* @param {string} $theme The url to be prepended to all non-absolute "src" attributes
* (except for iframes) rendered by Q_Html
* @return {array} The new list of themes
*/
static function pushThemeUrl($theme)
{
if (!self::$theme) {
self::$theme = Q_Config::get('Q', 'theme', null);
}
self::$theme = Q_Valid::url($theme) ? $theme : Q_Request::baseUrl() . '/' . $theme;
self::$themes[] = self::$theme;
return self::$themes;
}
