<?php
/**
 * datasource for Wombat framework
 *
 *
 * @author gERD Schaufelberger <gerd@exit0.net>
 * @copyright 2004 by http://wombat.exit0.net
 * @package wombatSite
 * @subpackage formDatasource
 */
 
/**
 * form datasource which finds all static templates
 *
 * @version 0.1
 * @package wombatSite
 * @subpackage formDatasource
 */
class wbFormDatasource_Page extends wbFormDatasource
{
   /**
    * default values of used attributes
    * @access private
    * @var array $_atts
    */
    var $_atts = array(
                        'type'  =>  'pages',
                    );

   /**
    * template base directory
    * @access private
    * @var string $_tmplDir
    */
    var $_confDir = '';

   /**
    * patConfiguration object
    * @access private
    * @var string $_conf
    */
    var $_conf;

   /**
	* implement this method
	*
	* @access private
	* @param integer $id	
	* @return boolean $result true on success
	* @see
	*/
    function getValues()
    {
        $this->_confDir     = wbFactory::getParam( 'baseDir' ) . '/' . wbFactory::getParam( 'configDir' );
        $values =   array(
                array(
                    'label' =>  _('... select a source page'),
                    'value' => ''
                    )
        );

        $this->_conf    =&  wbFactory::create( 'patConfiguration' );
        $this->_conf->setConfigDir( $this->_confDir );
        switch( $this->_atts['type'] ) {
            case 'standard':
                $folder             =   'pagesStandard';
                break;
            default:
                $folder             =   'pages';
                break;
        }
        
        $this->_addPages( $folder, '', $values );
        $this->_conf->clearConfigValue();

		return $values;
    }

   /**
    * add templates from directory
    *
    * recursive
    *
    * @access private
    * @param string $base working directory
    * @param string $dir 
    * @param array $values result values
    * @return boolean $result true on success
    * @see
    */
    function _addPages( $base, $dir, &$values )
    {
        if( !is_dir( $this->_confDir .  '/' . $base .  '/' . $dir ) ) {
            wbDebugger::addMsg( 'FormDS', 'Could not open directory: ' . $this->_confDir . '/' . $base . '/' . $dir, 'Pages' );
            return false;
        }
        
        $d  =   dir( $this->_confDir . '/' . $base . '/' . $dir );

        // append slash :-(
        if( !empty( $dir ) ) {
            $dir    .=  '/';
        }

        // read dir
        while( ( $entry = $d->read() ) !== false ) {
            // skip hidden files
            if( $entry[0] == '.' ) {
                continue;
            }

            if( is_dir( $this->_confDir . '/'. $base .'/' . $dir . $entry ) ) {
                $this->_addPages( $base, $dir . $entry, $values );
                continue;
            }

            // see whether it is a template file
            $page   =   explode( '.', $entry );
            $ext    =   array_pop( $page );

            // skip unknown extensions
            if( $ext != 'xml' ) {
                continue;
            }

            $page   =   implode( '.', $page );
            
            // load page confiuration to extract title
            $this->_conf->loadConfig( $base . '/' . $dir . $page . '.xml' );
            $conf   =   $this->_conf->getConfigValue( 'page' );
            
            array_push( $values, array( 'value' => $dir . $page, 'label' => $dir . $conf['title'] ) );
        }
        $d->close();
        return true;
    }
}
?>