<?php
/**
 * datasource for Wombat framework
 *
 * @author gERD Schaufelberger <gerd@exit0.net>
 * @copyright 2004/2005 by http://wombat.exit0.net
 * @package wombatSite
 * @subpackage formDatasource
 */
 
/**
 * datasource for Wombat framework
 *
 * @version 0.2.1
 * @package wombatSite
 * @subpackage formDatasource
 */
class wbFormDatasource_Table extends wbFormDatasource
{
   /**
	* default values of used attributes
    * @access private
	* @var array $_params
	*/
	var $_atts = array(
							'table'		    =>	'user',
							'format'	    =>	'%s',
							'fields'	    =>	'user',
                            'empty'         =>  'no',
                            'emptyvalue'    =>  '',
                            'emptylabel'    =>  '-------------'
						);

   /**
	* gsDatasource object
    * @access private
	*/
	var $_ds = null;

   /**
	* returns values suitable for patForms-Elements 
	*
	* @access public
	* @return boolean $result true on success
	*/
    function getValues()
    {
        // select custom format
        $format = $this->_atts['format'];
        $fields = explode( ',', $this->_atts['fields'] );
        $order  = $fields[0];
        $table  = $this->_atts['table'];
        
        $values = array();

        // allow empty values
        if( isset( $this->_atts['empty'] ) && $this->_atts['empty'] === 'yes' ) {
            $value  = $this->_atts['emptyvalue'];
            $label  = $this->_atts['emptylabel'];
            array_push( $values, array( 'value' => $value, 'label' => $label ) );
        }
		
        if( !$this->_ds ) {
            $this->_ds	=&	wbFactory::singleton( 'wbDatasource' );
        }
		
        $primary    = $this->_ds->getPrimaryKey( $table );
        
        $entries    = $this->_ds->getEntries( $table  );

        foreach( $entries as $entry ) {
			$myFields		=	array();
			foreach( $fields as $f ) {
				array_push( $myFields, $entry[$f] );
			}
			
			$value			=	array();
			$value['value']	=	$entry[$primary];
			$value['label']	=	vsprintf( $format, $myFields );
			
			array_push( $values, $value );
		}
		return $values;
    }
}
?>