Index: branches/5.3.x/core/units/helpers/multilanguage_helper.php
===================================================================
diff -u -N -r15483 -r15584
--- branches/5.3.x/core/units/helpers/multilanguage_helper.php	(.../multilanguage_helper.php)	(revision 15483)
+++ branches/5.3.x/core/units/helpers/multilanguage_helper.php	(.../multilanguage_helper.php)	(revision 15584)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: multilanguage_helper.php 15428 2012-07-11 13:20:22Z alex $
+* @version	$Id: multilanguage_helper.php 15584 2012-10-17 10:50:12Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -458,4 +458,133 @@
 
 			return (string)$phrase_type;
 		}
+
+		/**
+		 * Allows usage of
+		 *
+		 * @param kEvent $event
+		 * @return void
+		 * @access public
+		 */
+		public function replaceMLCalculatedFields(kEvent $event)
+		{
+			$editing_language = $this->getEditingLanguage();
+
+			$calculated_fields = $this->Application->getUnitOption($event->Prefix, 'CalculatedFields', Array ());
+			/* @var $calculated_fields Array */
+
+			foreach ($calculated_fields as $special => $fields) {
+				foreach ($fields as $field_name => $field_expression) {
+					$calculated_fields[$special][$field_name] = str_replace('%5$s', $editing_language, $field_expression);
+				}
+			}
+
+			$this->Application->setUnitOption($event->Prefix, 'CalculatedFields', $calculated_fields);
+		}
+
+		/**
+		 * Returns language, that is being edited or current language
+		 *
+		 * @return int
+		 * @access public
+		 */
+		public function getEditingLanguage()
+		{
+			$language_id = $this->Application->GetVar('lang_id');
+
+			if ( !$language_id ) {
+				$language_id = $this->Application->GetVar('m_lang');
+			}
+
+			return $language_id;
+		}
+
+		/**
+		 * Determines if we're editing phrase/e-mail event on it's source language
+		 *
+		 * @param int $source_language
+		 * @return bool
+		 * @access public
+		 */
+		public function editingInSourceLanguage($source_language)
+		{
+			return $this->getSourceLanguage($source_language) == $this->getEditingLanguage();
+		}
+
+		/**
+		 * Replaces source language in given label translation
+		 *
+		 * @param kDBItem $object
+		 * @param string $label
+		 * @return string
+		 * @access public
+		 */
+		public function replaceSourceLanguage(kDBItem $object, $label)
+		{
+			$ret = $this->Application->Phrase($label);
+			$options = $object->GetFieldOption('TranslateFromLanguage', 'options');
+			$source_language = $this->getSourceLanguage($object->GetDBField('TranslateFromLanguage'));
+
+			return sprintf($ret, $options[$source_language]);
+		}
+
+		/**
+		 * Ensures, that primary language is used, when no translation is needed
+		 *
+		 * @param int $source_language
+		 * @return bool
+		 * @access public
+		 */
+		public function getSourceLanguage($source_language)
+		{
+			if ( !$source_language ) {
+				$source_language = $this->Application->GetDefaultLanguageId();
+			}
+
+			return $source_language;
+		}
+
+		/**
+		 * Translation synchronization state management
+		 *
+		 * @param kEvent $event
+		 * @return void
+		 * @access public
+		 * @throws InvalidArgumentException
+		 */
+		public function updateTranslationState(kEvent $event)
+		{
+			if ( $event->Name != 'OnBeforeCopyToLive' ) {
+				throw new InvalidArgumentException('Unsupported "' . (string)$event . '" event');
+			}
+
+			$object = $event->getObject(Array ('skip_autoload' => true));
+			/* @var $object kDBItem */
+
+			$object->SwitchToTemp();
+			$object->Load($event->getEventParam('id'));
+
+			$save_mode = $this->Application->GetVar('translation_save_mode');
+
+			if ( $save_mode === false ) {
+				return;
+			}
+
+			$editing_language = $this->getEditingLanguage();
+
+			if ( $save_mode == TranslationSaveMode::SYNC_WITH_PRIMARY ) {
+				$object->SetDBField('l' . $editing_language . '_TranslateFrom', 0);
+			}
+			else {
+				$languages = $this->getLanguages();
+
+				foreach ($languages as $language_id) {
+					$object->SetDBField('l' . $language_id . '_TranslateFrom', $language_id == $editing_language ? 0 : $editing_language);
+				}
+			}
+
+			if ( $object->GetChangedFields() ) {
+				$object->Update();
+			}
+		}
 	}