<?php
/**
 * Populate form element's values with VFS folders
 *
 * $Id$
 *
 * @author gERD Schaufelberger <gerd@php-tools.net>
 * @license PHP License
 * @package WB
 * @subpackage db
 */

WBClass::load('WBDatasource_FormAttribute');

/**
 * Populate form element's values with VFS folders
 *
 *
 * @version 0.1.0
 * @package WB
 * @subpackage db
 */
class WBDatasource_FormAttribute_VFSExplorer extends WBDatasource_FormAttribute
{
    /**
     * configuration parameter
     * @var array
     */
    protected $config   =   array(
                                'user'          =>  'group',
                                'path'          =>  '/',
                                'dir'           =>  '0',
                            );

    /**
     * directory browser
     * @var WBVFS_Explorer
     */
    protected $expl;

    /**
     * get attribute's value
     *
     * Use dicktionary to fetch list of values
     *
     * @param mixed $current actual attribute value
     * @return array
     */
    protected function getAttributeValue($current)
    {
        $param  =   array(
                        'user'  =>  $this->config['user']
                        );
        $this->expl =   WBClass::create('WBVFS_Explorer', $param);
        if (!is_array($current)) {
            $current =   array();
        }

        $list   =   $this->expl->lsDir($this->config['dir']);
        foreach ($list as $v => $l) {
            $current[]  =   array(
                                'value' =>  $l['id'],
                                'label' =>  $l['name']
                        );
        }

        return $current;
    }
}