<?php
/**
 * creator class
 *
 * @author gERD Schaufelberger <gerd@exit0.net>
 * @copyright 2004 by http://wombat.exit0.net
 * @package wombatSite
 * @subpackage factory
 */
 
/**
 * creator class
 * 
 * implement specialized create function. 
 *
 * @version 1.3.0
 */
class wbFactory_patForms
{
   /**
    * call counter
    * @var int
    */
    private static $count = 0;

   /**
    * special creator for Image manager
    *
    * @static
    * @access private
    * @param array $params mixed parameter to modify the creation process
    * @return object $obj reference to the created object
    * @see create()
    */
    public function &create( &$params ) 
    {
        $baseDir    =   wbFactory::getParam( 'baseDir' );
        if( !self::$count ) {
                    
            $incDirs    =   array( $baseDir, wbFactory::getParam( 'systemDir' ) );
            foreach( $incDirs as $incDir ) {
                // configure include dir
                $moduleDir  =   $incDir
                    .   '/' . wbFactory::getParam( 'includeDir' )
                    .   '/patExtension/Forms';

                patForms::addModuleBaseDir( $moduleDir  );
            }

            // configure gettext domain
            $sess   =   patSession::singleton();
            $lang   =   'C';
            if( $sess->has( 'wb:lang' ) ) {
                $lang   =   $sess->get( 'wb:lang' );
                $lang   =   $lang['lang'];
            }
            patForms::setLocale( $lang, $baseDir . '/var/lang' );

            // set some static properties
            patForms::setDefaultEncoding( 'utf-8' );
        }

        ++self::$count;

        $sess   =&  wbFactory::singleton( 'patSession' );
        
        $baseDir    =   $baseDir . '/templates';
        if( isset( $params['base_dir'] ) ) {
            $baseDir   =   $params['base_dir'];
        }
        
        // make sure patTemplate is setup
        if( isset( $params['tmpl'] ) ) {
            $tmpl   =&  $params['tmpl'];
        }
        else {
            $tmpl   =&  wbFactory::singleton( 'patTemplate' );
        }
        $tmpl->readTemplatesFromInput( 'formErrors.tmpl' );
        
        $formParams =   array(
            'id'                =>  'form',
            'name'              =>  'form',
            'accept-charset'    =>  'utf-8',
            'enctype'           =>  'multipart/form-data'
        );
                
        if( isset( $params['elements'] ) ) {
            $obj    =   patForms::createForm( $params['elements'], $formParams );
        }
        else { 
            if( !isset( $params['template'] ) ) {
                $params['template'] =   'form';
            }
            
            $obj    =   self::StartFormFromTemplate( $baseDir, $tmpl, $params );
        }
        
        // configure native language support
        if( $sess->has( 'wb:lang' ) ) {
            $lang	= $sess->get( 'wb:lang' );
            $obj->setLocale( $lang['form'] );
            patForms::setStaticProperty( 'locale', $lang['form'] );
        }
        
        // apply attribute filter
        $filter =&  patForms::createAttributeFilter( 'Gettext' );
        $obj->applyAttributeFilter( $filter );        
        
        return $obj;
    }
    
   /**
    * use template parser to create form
    *
    * @static
    * @access private
    * @return object $obj reference to the created object
    */
    function  &StartFormFromTemplate( $baseDir, &$tmpl, &$params )
    {
        wbFactory::includeClass( 'patForms_Parser' );
        patForms_Parser::setStaticProperty( 'tmpl', $tmpl );
        patForms_Parser::setNamespace( 'patForms' );
        patForms_Parser::setPlaceHolder( '%s' );            
                    
        patForms_Parser::setCacheDir( wbFactory::getParam( 'baseDir' ) . '/' . wbFactory::getParam( 'varDir' ) . '/cache/forms' );
        patForms_Parser::setBaseDir( $baseDir );

        // use datasources or switch on cache
        if( isset( $params['datasource'] ) && $params['datasource'] ) {
            $formDs =&  wbFactory::singleton( 'wbFormDatasource' );
            $formDs->load( explode( ',', $params['datasource'] ) );
            patForms_Parser::addNamespace( 'wb', $formDs );
        }

        $tmplDir    =   '';
        if( isset( $params['template_dir'] ) ) {
            $tmplDir    =   $params['template_dir'];
        }
        else if( is_callable( array( $this, 'getTemplateDir' ) ) ) {
            $tmplDir    = $this->getTemplateDir();
            wbDebugger::addMsg( 'Deprecated', 'using getTemplateDir is deprecated!', 'tmpldir' );
        }

        // resolv destination :-/
        $desPrefix  =   array();

        // in systemDir?
        $sys    =   wbFactory::getParam( 'systemDir' );
        if( substr( $baseDir, 0, strlen( $sys ) ) == $sys ) {
            $rest   =   explode( '/', substr( $baseDir, strlen( $sys ) ) );
            $varDir =   'var';
        }
        // in baseDir
        else {
            $rest   =   explode( '/', substr( $baseDir, strlen( wbFactory::getParam( 'baseDir' ) ) ) );
            $varDir =   wbFactory::getParam( 'varDir' );
        }

        // find relative path
        for( $i = 0; $i < count( $rest ); ++$i ) {
            if( empty( $rest[$i] ) ) {
                continue;
            }
            array_push( $desPrefix, '..' );
        }
        $path   =   explode( '/', $tmplDir );
        array_push( $path, $params['template'] );

        $src    =   implode( '/', $path ) .'.ftmpl';
        $des    =   implode( '/', $desPrefix ) 
                . '/' .  $varDir
                . '/cache/forms/' . implode( '_', $path ) . '.tmpl';
        
        /*
        $placeholder    =   '%s';
        patForms_Parser::setStaticProperty( 'placeholder', $placeholder );
        */
        $obj    =&  patForms_Parser::createFormFromTemplate(
                                                        'patTemplateRenderer',
                                                        $src,
                                                        $des
                                                    );
    
        return $obj;
    }
}
?>