customfield_formatter.php
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	<?php
	/**
	* @version $Id: customfield_formatter.php 13086 2010-01-12 19:47:40Z alex $
	* @package In-Portal
	* @copyright Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
	* @license GNU/GPL
	* In-Portal is Open Source software.
	* This means that this software may have been modified pursuant
	* the GNU General Public License, and as distributed it includes
	* or is derivative of works licensed under the GNU General Public License
	* or other free or open source software licenses.
	* See http://www.in-portal.org/license for copyright notices and details.
	*/

	/**
	* Like kMultiLanguage formatter for LEFT JOINed custom fields
	*
	*/
	class kCustomFieldFormatter extends kFormatter
	{

	function Format($value, $field_name, &$object, $format=null)
	{
	$options = $object->GetFieldOptions($field_name);

	$master_field = isset($options['master_field']) ? $options['master_field'] : false;
	if (!$master_field) {
	return $value;
	}

	$format = isset($format) ? $format : ( isset($options['format']) ? $options['format'] : null);

	if ($value == '' && $format != 'no_default') { // try to get default language value
	$def_lang_value = $object->GetDBField($master_field);
	if ($def_lang_value == '') return NULL;
	return $def_lang_value; //return value from default language
	}

	return $value;
	}

	}