<?php
/**
 * datasource for Wombat framework
 * 
 *
 *
 * @author gERD Schaufelberger <gerd@exit0.net>
 * @copyright 2004 by http://wombat.exit0.net
 * @package wombatSite
 * @subpackage formDatasource
 */
 
/**
 * Generate custom lists of key-value pairs
 * 
 * 
 * @version 0.1
 * @package wombatSite
 * @subpackage formDatasource
 */
class wbFormDatasource_List extends wbFormDatasource
{
   /**
	* default values of used attributes
    * @access private
	* @var array $_atts
	*/
	var $_atts = array(
						'values'	=>	'0,1,2,3,4,5,6,7,8,9,10',
						'labels'	=>	'zero,one,two,three,four,five,six,seven,eight,nine,ten',
						);

   /**
	* implement this method
	*
	* @access private
	* @param integer $id	
	* @return boolean $result true on success
	* @see
	*/
    function getValues()
    {
		$values	=	array();
		$val	=	explode( ',', $this->_atts['values'] );
		$lab	=	explode( ',', $this->_atts['labels'] );
		
		if( count( $val ) !== count( $lab ) )
		{
			return patErrorManager::raiseError( 
					'wbFormDataSource:List:1',
					'Values and labels don\'t match!',
					'The attributes "labels" and "values" are expected to be the same length. '
					.'There are '.count( $val ).' values and '.count( $lab ).'.'
				);
		}
		
		for( $i = 0; $i < count( $val ); ++$i )
		{
			array_push( $values, array( 'value' => $val[$i], 'label' => $lab[$i] ) );
		}
	
		return $values;
    }
}
?>