<?php
/**
 * datasource factory for custom datasources
 * 
 *
 * @author gERD Schaufelberger <gerd@exit0.net>
 * @copyright 2004 by http://wombat.exit0.net
 * @package wombatSite
 * @subpackage formDatasource
 */
 
/**
 *
 * @version 0.1
 * @package wombatSite
 * @subpackage formDatasource
 */
class wbFormDatasource
{
   /**
	* list of attributes
    * @access private
	*/
	public $_atts = array();
	
   /**
    * constructor
	* 
    * @access public
	* @param string $dir configuration dir
	* @param string $file main config file of gsSite
    */
    function __construct( $atts = array() ) {
		// add attributes
		foreach( array_keys( $atts ) as $k ) {
			$this->_atts[$k]	=	$atts[$k];
		}
    }

   /**
	* Constructor for PHP 4
	*
	* @access public
	* @param array $params set of mixed arguments
	*/
    function wbFormDatasource( $atts = array() ) {
		$this->__construct( $atts );
    }

   /**
    * set wbDatasource
	*
	* @access private
	* @param object $ds
	* @return boolean $result true on success
	* @see $_ds
	*/
    function setDatasource( $ds ) {
		$this->_ds	=	$ds;
        return true;
    }
	
   /**
    * recieve concrete datasource - factory method
    *
    * @static
    * @access public
    * @param array $atts attribute list
    * @param string $content
    * @return object $ds datasource
    */
    function &getFormDS( &$atts, $content ) 
    {
        $class  =    'wbFormDatasource_' . ucfirst( $atts['name'] );
        wbFactory::includeClass( $class );
        wbDebugger::addMsg( 'wbFormDatasource', 'Class: '. $atts['name'] .'', 'getFormDs' );

        $ds =   new	$class( $atts );
        return $ds;
    }
    
   /**
    * load form datasource classes
    *
    * @static
    * @access public
    * @param array $atts attribute list
    * @param string $content
    * @return object $ds datasource
    */
    function loadDS( &$atts, $content ) 
    {
        return $this->load( explode( ',', $content ) );
    }
    
   /**
    * load form datasource classes
    *
    * @static
    * @access public
    * @param array $atts attribute list
    * @return object $ds datasource
    */
    function load( $ds = array() ) 
    {
        foreach( $ds as $name ) {
            $class  =    'wbFormDatasource_' . ucfirst( $name );
            $res    =   wbFactory::includeClass( $class );
            if( patErrorManager::isError( $res ) ) {
                return $res;
            }
        }

        return true;
    }
}
?>