Index: branches/5.2.x/core/kernel/utility/formatters/left_formatter.php
===================================================================
diff -u -N -r14585 -r14628
--- branches/5.2.x/core/kernel/utility/formatters/left_formatter.php	(.../left_formatter.php)	(revision 14585)
+++ branches/5.2.x/core/kernel/utility/formatters/left_formatter.php	(.../left_formatter.php)	(revision 14628)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: left_formatter.php 14585 2011-09-24 12:04:17Z alex $
+* @version	$Id: left_formatter.php 14628 2011-10-04 09:36:30Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -22,52 +22,74 @@
  */
 class kLEFTFormatter extends kFormatter {
 
+	/**
+	 * Formats value of a given field
+	 *
+	 * @param string $value
+	 * @param string $field_name
+	 * @param kDBItem|kDBList $object
+	 * @param string $format
+	 * @return string
+	 */
 	function Format($value, $field_name, &$object, $format=null)
 	{
-		if ( is_null($value) ) return '';
+		if ( is_null($value) ) {
+			return '';
+		}
 
 		$options = $object->GetFieldOptions($field_name);
-		if ( isset($format) ) $options['format'] = $format;
+		if ( isset($format) ) {
+			$options['format'] = $format;
+		}
 
-		if( !isset($options['options'][$value]) )
-		{
+		if ( !isset($options['options'][$value]) ) {
 			// required option is not defined in config => query for it
-			$sql = sprintf($options['left_sql'],$options['left_title_field'],$options['left_key_field'], $db->escape($value));
+			$sql = sprintf($options['left_sql'], $options['left_title_field'], $options['left_key_field'], $this->Conn->escape($value));
 			$options['options'][$value] = $this->Conn->GetOne($sql);
-			if ($options['options'][$value] === false) return $value;
+
+			if ( $options['options'][$value] === false ) {
+				return $value;
+			}
 		}
+
 		return $options['options'][$value];
 	}
 
 	/**
-	 * Parse value from form submit
+	 * Performs basic type validation on form field value
 	 *
 	 * @param mixed $value
 	 * @param string $field_name
 	 * @param kDBItem $object
 	 * @return mixed
+	 * @access public
 	 */
-	function Parse($value, $field_name, &$object)
+	public function Parse($value, $field_name, &$object)
 	{
-		if ($value == '') return NULL;
+		if ( $value == '' ) {
+			return NULL;
+		}
 
 		$options = $object->GetFieldOptions($field_name);
 		$found = isset($options['options']) ? array_search($value, $options['options']) : false;
-		if ($found !== false) {
+
+		if ( $found !== false ) {
 			// requested option found among field options
 			return $found;
 		}
 
 		// requested option is not found in field options -> query for it
-		$sql = sprintf($options['left_sql'], $options['left_key_field'], $options['left_title_field'], $db->escape($value));
+		$sql = sprintf($options['left_sql'], $options['left_key_field'], $options['left_title_field'], $this->Conn->escape($value));
 		$found = $this->Conn->GetOne($sql);
-		if ($found !== false) {
+
+		if ( $found !== false ) {
 			// option successfully retrieved from db -> cache it
 			$options['options'][$found] = $value;
 		}
 
 		$skip_errors = array_key_exists('skip_errors', $options) && $options['skip_errors'];
-		if ($found === false && !$skip_errors) {
+		
+		if ( $found === false && !$skip_errors ) {
 			// option not found at all -> return not formatted value & set error
 			$object->SetError($field_name, 'invalid_option', 'la_error_InvalidOption');
 			return $value;