changes_formatter.php
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	<?php
	/**
	* @version $Id: changes_formatter.php 12734 2009-10-20 19:28:11Z 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.
	*/

	defined('FULL_PATH') or die('restricted access!');

	class kChangesFormatter extends kFormatter {

	function Format($value, $field_name, &$object, $format=null)
	{
	if ( is_null($value) ) {
	return '';
	}

	$changes = unserialize($value);

	$res = '';
	if (!$changes) {
	return ;
	}

	foreach ($changes as $field => $data) {
	$fld_translation = $this->Application->Phrase('la_fld_'.$field);

	// remove translation link (added in debug mode)
	$fld_translation = preg_replace('/<a href="(.?)">(.?)<\/a>/', '\\2', $fld_translation);

	if ($fld_translation == '!'.strtoupper('la_fld_'.$field).'!') {
	// when phrase is not translated use field name as label
	$fld_translation = $field;
	}

	if (is_array($data) && isset($data['old']) && isset($data['new'])) {
	$res .= "$fld_translation: {$data['old']} => {$data['new']}<br/>\n";
	}
	else {
	$res .= "$fld_translation: {$data['new']}<br/>\n";
	}
	}
	return $res;
	}

	}