<?php
/**
 * @author Hugo Loza <hugo@colosa.com>
 *
 * This class Helps registering and implementing Wizard for Triggers  
 */
G::LoadThirdParty ( 'html2ps_pdf/classes', 'include' );
G::LoadThirdParty ( 'html2ps_pdf/classes/org/active-link/doc', 'PHPClass' );

 /**
  * @package workflow.engine.ProcessMaker
  */

class triggerLibrary {

  private $_aTriggerClasses_ = array ();

  private static $instance   = NULL;

  /**
   * __construct
   *
   * @return void     
   */  
  function __construct() 
  {
    //Initialize the Library and register the Default
    $this->registerFunctionsFileToLibrary ( PATH_CORE . "classes" . PATH_SEP . "class.pmFunctions.php", "ProcessMaker Functions" );

    //Register all registered PLugin Functions
    if (class_exists ( 'folderData' )) {
      //$folderData = new folderData($sProUid, $proFields['PRO_TITLE'], $sAppUid, $Fields['APP_TITLE'], $sUsrUid);
      $oPluginRegistry = &PMPluginRegistry::getSingleton ();
      $aAvailablePmFunctions = $oPluginRegistry->getPmFunctions ();
      foreach ( $aAvailablePmFunctions as $key => $class ) {
        $filePlugin = PATH_PLUGINS . $class . PATH_SEP . 'classes' . PATH_SEP . 'class.pmFunctions.php';
        
        if ( file_exists($filePlugin) && !is_dir($filePlugin)) {
          $this->registerFunctionsFileToLibrary ( $filePlugin, "ProcessMaker Functions" );
        }
      }

    }
    //Add External Triggers
    $dir = G::ExpandPath( "classes" ).'triggers';
    $filesArray = array();
    
    if (file_exists($dir)){
      if ($handle = opendir($dir)) {
        while (false !== ($file = readdir($handle))) {
          if( $file != "." && $file != ".." && !is_dir($dir . PATH_SEP . $file)){
            $this->registerFunctionsFileToLibrary( $dir . PATH_SEP . $file, "ProcessMaker External Functions");
          }
        }
        closedir($handle);
      }
    }
  }

  /**
   * &getSingleton
   *
   * @return self::$instance;     
   */
  function &getSingleton() 
  {
    if (self::$instance == NULL) {
      self::$instance = new triggerLibrary ( );
    }
    return self::$instance;
  }

  /**
   * serializeInstance
   *
   * @return serialize ( self::$instance );     
   */
  function serializeInstance() 
  {
    return serialize ( self::$instance );
  }

  /**
   * unSerializeInstance
   *
   * @param  integer    $serialized
   * @return void     
   */
  function unSerializeInstance($serialized) 
  {
    if (self::$instance == NULL) {
      self::$instance = new PMPluginRegistry ( );
    }

    $instance = unserialize ( $serialized );
    self::$instance = $instance;
  }

  /**
   * registerFunctionsFileToLibrary
   *
   * @param  string   $filePath
   * @param  string   $libraryName
   * @return void     
   */
  function registerFunctionsFileToLibrary($filePath, $libraryName) 
  {
    $aLibrary = $this->getMethodsFromLibraryFile ( $filePath );
    $aLibrary->libraryFile = $filePath;
    $aLibrary->libraryName = $libraryName;
    if(isset($aLibrary->info['className'])){
      $this->_aTriggerClasses_ [$aLibrary->info['className']] = $aLibrary;
    }

  }

  /**
   * getMethodsFromLibraryFile
   *
   * @param  string         $file
   * @return object(PHPClass) $parsedLibrary     
   */
  function getMethodsFromLibraryFile($file) 
  {
    // parse class comments from file
    $parsedLibrary = new PHPClass ( );
    //$success = $parsedLibrary->parseFromFile ( PATH_CORE . "classes" . PATH_SEP . $file );
    $success = $parsedLibrary->parseFromFile ( $file );

    return $parsedLibrary;
  }

  /**
   * getRegisteredClasses
   *
   * @return array    ($this->_aTriggerClasses_)     
   */
  function getRegisteredClasses() 
  {
    return ($this->_aTriggerClasses_);
  }

  /**
   * getLibraryDefinition
   *
   * @param  string     $libraryClassName
   * @return array    ($this->_aTriggerClasses_[$libraryClassName])
   */
  function getLibraryDefinition($libraryClassName) 
  {
    return ($this->_aTriggerClasses_[$libraryClassName]);
  }

  /**
   * __destruct   
   *
   * @return void     
   */  function __destruct() 
  {

  //TODO - Insert your code here
  }
}

?>