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<?php
/**
* @version $Id: Loader.php 10831 2013-05-29 19:32:17Z btowles $
* @author RocketTheme http://www.rockettheme.com
* @copyright Copyright (C) 2007 - 2020 RocketTheme, LLC
* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 only
*/
class RokCommon_Form_Loader implements RokCommon_Loader
{
/**
* @var array
*/
private $_orderedPaths = array();
/**
* @var array
*/
private $_allPaths = array();
/**
* @var array
*/
private $_prefixes = array();
/**
* @param $path
* @param string $prefix
* @param int $priority
*
* @throws RokCommon_Ajax_Exception
* @return
*/
public function addModelPath($path, $prefix = RokCommon_Ajax::DEFAULT_MODEL_PREFIX, $priority = 10)
{
$realpath = realpath($path);
if (in_array($realpath, $this->_allPaths)) return;
if (!file_exists($path) || !is_dir($path)) {
throw new RokCommon_Ajax_Exception($path . ' is not a valid directory.');
}
$this->_orderedPaths[$priority][$realpath] = $realpath;
$this->_allPaths[] = $realpath;
$this->_prefixes[$realpath] = $prefix;
}
/**
* @param $model
*
* @throws RokCommon_Ajax_Exception
* @return bool|RokCommon_Ajax_Model
*/
public function &getModel($model)
{
foreach ($this->_orderedPaths as $priority => $priorityPaths) {
foreach ($priorityPaths as $path) {
if (array_key_exists($path, $this->_prefixes)) {
$classname = $this->_prefixes[$path] . ucfirst($model);
if (class_exists($classname)) {
$refclass = new ReflectionClass($classname);
if (!$refclass->implementsInterface('RokCommon_Ajax_Model')) {
throw new RokCommon_Ajax_Exception('Found class for model ' . $model . ' does not implement RokCommon_Ajax_Model');
}
$class = new $classname();
return $class;
}
}
}
}
throw new RokCommon_Ajax_Exception('Unable to find class for model ' . $model);
}
/**
* @param string $className the class name to look for and load
*
* @return bool True if the class was found and loaded.
*/
public function loadClass($className)
{
foreach ($this->_orderedPaths as $priority => $priorityPaths) {
foreach ($priorityPaths as $path) {
if (array_key_exists($path, $this->_prefixes)) {
$fileName = str_replace($this->_prefixes[$path], '', $className) . self::FILE_EXTENSION;
$full_file_path = $path . DIRECTORY_SEPARATOR . $fileName;
if (file_exists($full_file_path) && is_readable($full_file_path)) {
require($full_file_path);
return true;
}
}
}
}
return false;
}
}