/**
* Class loader method
*
* Additional arguments may be supplied and are passed to the sub-class.
* Additional include paths are also able to be specified for third-party use
*
* @param string The name of helper method to load, (prefix).(class).function
* prefix and class are optional and can be used to load custom
* html helpers.
* @throws KViewException
*/
public static function _($type)
{
//Initialise variables
$prefix = 'KViewHelper';
$file = '';
$func = $type;
// Check to see if we need to load a helper file
$parts = explode('.', $type);
switch (count($parts)) {
case 3:
$prefix = ucfirst($parts[0]) . 'Helper';
$file = $parts[1];
$func = $parts[2];
break;
case 2:
$prefix = 'KViewHelper';
$file = $parts[0];
$func = $parts[1];
break;
}
$className = $prefix . ucfirst($file);
if (!class_exists($className)) {
jimport('joomla.filesystem.path');
if ($path = JPath::find(KViewHelper::getIncludePaths(), $file . '.php')) {
require_once $path;
if (!class_exists($className)) {
throw new KViewException($className . '::' . $func . ' not found in file.');
}
} else {
throw new KViewException($prefix . $file . ' not supported. File not found.');
}
}
if (!is_callable(array($className, $func))) {
throw new KViewException($className . '::' . $func . ' not supported.');
}
$args = func_get_args();
array_shift($args);
return call_user_func_array(array($className, $func), $args);
}
