Index: branches/5.2.x/core/kernel/db/db_event_handler.php
===================================================================
diff -u -N -r15121 -r15130
--- branches/5.2.x/core/kernel/db/db_event_handler.php	(.../db_event_handler.php)	(revision 15121)
+++ branches/5.2.x/core/kernel/db/db_event_handler.php	(.../db_event_handler.php)	(revision 15130)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: db_event_handler.php 15121 2012-02-22 11:37:53Z alex $
+* @version	$Id: db_event_handler.php 15130 2012-03-03 18:38:32Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -51,7 +51,7 @@
 		 * @return bool
 		 * @access public
 		 */
-		public function CheckPermission(kEvent &$event)
+		public function CheckPermission(kEvent $event)
 		{
 			$section = $event->getSection();
 
@@ -211,7 +211,7 @@
 		 * @return int
 		 * @access public
 		 */
-		public function getPassedID(kEvent &$event)
+		public function getPassedID(kEvent $event)
 		{
 			if ( $event->getEventParam('raise_warnings') === false ) {
 				$event->setEventParam('raise_warnings', 1);
@@ -281,7 +281,7 @@
 		 * @return Array
 		 * @access protected
 		 */
-		protected function StoreSelectedIDs(kEvent &$event, $direct_ids = null)
+		protected function StoreSelectedIDs(kEvent $event, $direct_ids = null)
 		{
 			$wid = $this->Application->GetTopmostWid($event->Prefix);
 			$session_name = rtrim($event->getPrefixSpecial() . '_selected_ids_' . $wid, '_');
@@ -351,7 +351,7 @@
 		 * @return Array
 		 * @access protected
 		 */
-		protected function getSelectedIDs(kEvent &$event, $from_session = false)
+		protected function getSelectedIDs(kEvent $event, $from_session = false)
 		{
 			if ( $from_session ) {
 				$wid = $this->Application->GetTopmostWid($event->Prefix);
@@ -372,7 +372,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnStoreSelected(kEvent &$event)
+		protected function OnStoreSelected(kEvent $event)
 		{
 			$this->StoreSelectedIDs($event);
 
@@ -393,7 +393,7 @@
 		 * @return Array
 		 * @access protected
 		 */
-		protected function getSubmittedFields(kEvent &$event)
+		protected function getSubmittedFields(kEvent $event)
 		{
 			$items_info = $this->Application->GetVar($event->getPrefixSpecial(true));
 			$field_values = $items_info ? array_shift($items_info) : Array ();
@@ -432,7 +432,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function clearSelectedIDs(kEvent &$event)
+		protected function clearSelectedIDs(kEvent $event)
 		{
 			$prefix_special = $event->getPrefixSpecial();
 
@@ -456,7 +456,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function dbBuild(&$object, kEvent &$event)
+		protected function dbBuild(&$object, kEvent $event)
 		{
 			// for permission checking inside item/list build events
 			$event->setEventParam('top_prefix', $this->Application->GetTopmostPrefix($event->Prefix, true));
@@ -498,7 +498,7 @@
 		 * @return bool
 		 * @access protected
 		 */
-		protected function checkItemStatus(kEvent &$event)
+		protected function checkItemStatus(kEvent $event)
 		{
 			$status_fields = $this->Application->getUnitOption($event->Prefix, 'StatusField');
 			if ( !$status_fields ) {
@@ -528,7 +528,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function _errorNotFound(kEvent &$event)
+		protected function _errorNotFound(kEvent $event)
 		{
 			if ( $event->getEventParam('raise_warnings') === 0 ) {
 				// when it's possible, that autoload fails do nothing
@@ -561,7 +561,7 @@
 		 * @param kEvent $event
 		 * @access protected
 		 */
-		protected function OnItemBuild(kEvent &$event)
+		protected function OnItemBuild(kEvent $event)
 		{
 			$object =& $event->getObject();
 			/* @var $object kDBItem */
@@ -640,7 +640,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnTempHandlerBuild(kEvent &$event)
+		protected function OnTempHandlerBuild(kEvent $event)
 		{
 			$object =& $this->Application->recallObject($event->getPrefixSpecial() . '_TempHandler', 'kTempTablesHandler');
 			/* @var $object kTempTablesHandler */
@@ -661,7 +661,7 @@
 		 * @return bool
 		 * @access protected
 		 */
-		protected function UseTempTables(kEvent &$event)
+		protected function UseTempTables(kEvent $event)
 		{
 			$top_prefix = $this->Application->GetTopmostPrefix($event->Prefix); // passed parent, not always actual
 			$special = ($top_prefix == $event->Prefix) ? $event->Special : $this->getMainSpecial($event);
@@ -676,7 +676,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function LoadItem(kEvent &$event)
+		protected function LoadItem(kEvent $event)
 		{
 			$object =& $event->getObject();
 			/* @var $object kDBItem */
@@ -707,7 +707,7 @@
 		 * @param kEvent $event
 		 * @access protected
 		 */
-		protected function OnListBuild(kEvent &$event)
+		protected function OnListBuild(kEvent $event)
 		{
 			$object =& $event->getObject();
 			/* @var $object kDBList */
@@ -758,7 +758,7 @@
 		 * @return string
 		 * @access protected
 		 */
-		protected function getMainSpecial(kEvent &$event)
+		protected function getMainSpecial(kEvent $event)
 		{
 			$main_special = $event->getEventParam('main_special');
 
@@ -785,7 +785,7 @@
 		 * @access protected
 		 * @see kDBEventHandler::OnListBuild()
 		 */
-		protected function SetCustomQuery(kEvent &$event)
+		protected function SetCustomQuery(kEvent $event)
 		{
 
 		}
@@ -797,7 +797,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnSetPerPage(kEvent &$event)
+		protected function OnSetPerPage(kEvent $event)
 		{
 			$per_page = $this->Application->GetVar($event->getPrefixSpecial(true) . '_PerPage');
 			$event->SetRedirectParam($event->getPrefixSpecial() . '_PerPage', $per_page);
@@ -818,7 +818,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnSetPage(kEvent &$event)
+		protected function OnSetPage(kEvent $event)
 		{
 			$page = $this->Application->GetVar($event->getPrefixSpecial(true) . '_Page');
 			$event->SetRedirectParam($event->getPrefixSpecial() . '_Page', $page);
@@ -837,7 +837,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function _passListParams(&$event, $skip_var)
+		protected function _passListParams($event, $skip_var)
 		{
 			$param_names = array_diff(Array ('page', 'per_page', 'sort_by'), Array ($skip_var));
 
@@ -883,7 +883,7 @@
 		 * @access protected
 		 * @see kDBEventHandler::OnListBuild()
 		 */
-		protected function SetPagination(kEvent &$event)
+		protected function SetPagination(kEvent $event)
 		{
 			$object =& $event->getObject();
 			/* @var $object kDBList */
@@ -940,7 +940,7 @@
 		 * @return int
 		 * @access protected
 		 */
-		protected function getPerPage(kEvent &$event)
+		protected function getPerPage(kEvent $event)
 		{
 			$object =& $event->getObject();
 			/* @var $object kDBList */
@@ -1024,7 +1024,7 @@
 		 * @access protected
 		 * @see kDBEventHandler::OnListBuild()
 		 */
-		protected function SetSorting(kEvent &$event)
+		protected function SetSorting(kEvent $event)
 		{
 			$event->setPseudoClass('_List');
 
@@ -1124,7 +1124,7 @@
 		 * @return string|Array
 		 * @access protected
 		 */
-		protected function getListSetting(kEvent &$event, $variable_name)
+		protected function getListSetting(kEvent $event, $variable_name)
 		{
 			$view_name = $this->Application->RecallVar($event->getPrefixSpecial() . '_current_view');
 			$storage_prefix = $event->getEventParam('same_special') ? $event->Prefix : $event->getPrefixSpecial();
@@ -1153,7 +1153,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function setListSetting(kEvent &$event, $variable_name, $variable_value = null)
+		protected function setListSetting(kEvent $event, $variable_name, $variable_value = null)
 		{
 			$view_name = $this->Application->RecallVar($event->getPrefixSpecial() . '_current_view');
 //			$this->Application->StoreVar($event->getPrefixSpecial() . '_' . $variable_name, $variable_value, true); //true for optional
@@ -1177,7 +1177,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function AddFilters(kEvent &$event)
+		protected function AddFilters(kEvent $event)
 		{
 			$object =& $event->getObject();
 			/* @var $object kDBList */
@@ -1264,7 +1264,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function applyItemFilters(&$event)
+		protected function applyItemFilters($event)
 		{
 			$filter_values = $this->Application->GetVar('filters', Array ());
 
@@ -1330,7 +1330,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnSetSorting(kEvent &$event)
+		protected function OnSetSorting(kEvent $event)
 		{
 			$sorting_settings = $this->getListSetting($event, 'Sortings');
 			$cur_sort1 = getArrayValue($sorting_settings, 'Sort1');
@@ -1374,7 +1374,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnSetSortingDirect(kEvent &$event)
+		protected function OnSetSortingDirect(kEvent $event)
 		{
 			// used on Front-End in category item lists
 			$prefix_special = $event->getPrefixSpecial();
@@ -1421,7 +1421,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnResetSorting(kEvent &$event)
+		protected function OnResetSorting(kEvent $event)
 		{
 			$this->setListSetting($event, 'Sortings');
 		}
@@ -1433,7 +1433,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnSetAutoRefreshInterval(kEvent &$event)
+		protected function OnSetAutoRefreshInterval(kEvent $event)
 		{
 			$refresh_interval = $this->Application->GetVar('refresh_interval');
 
@@ -1448,7 +1448,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnAutoRefreshToggle(kEvent &$event)
+		protected function OnAutoRefreshToggle(kEvent $event)
 		{
 			$refresh_intervals = $this->Application->ConfigValue('AutoRefreshIntervals');
 			if ( !$refresh_intervals ) {
@@ -1475,7 +1475,7 @@
 		 * @return string
 		 * @access protected
 		 */
-		protected function ItemPrepareQuery(kEvent &$event)
+		protected function ItemPrepareQuery(kEvent $event)
 		{
 			$object =& $event->getObject();
 			/* @var $object kDBItem */
@@ -1498,7 +1498,7 @@
 		 * @return string
 		 * @access protected
 		 */
-		protected function ListPrepareQuery(kEvent &$event)
+		protected function ListPrepareQuery(kEvent $event)
 		{
 			$object =& $event->getObject();
 			/* @var $object kDBItem */
@@ -1516,7 +1516,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function customProcessing(kEvent &$event, $type)
+		protected function customProcessing(kEvent $event, $type)
 		{
 
 		}
@@ -1530,7 +1530,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnCreate(kEvent &$event)
+		protected function OnCreate(kEvent $event)
 		{
 			$object =& $event->getObject(Array ('skip_autoload' => true));
 			/* @var $object kDBItem */
@@ -1566,7 +1566,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnUpdate(kEvent &$event)
+		protected function OnUpdate(kEvent $event)
 		{
 			if ( $this->Application->CheckPermission('SYSTEM_ACCESS.READONLY', 1) ) {
 				$event->status = kEvent::erFAIL;
@@ -1585,7 +1585,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function _update(kEvent &$event)
+		protected function _update(kEvent $event)
 		{
 			$object =& $event->getObject(Array ('skip_autoload' => true));
 			/* @var $object kDBItem */
@@ -1618,14 +1618,14 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnDelete(kEvent &$event)
+		protected function OnDelete(kEvent $event)
 		{
 			if ( $this->Application->CheckPermission('SYSTEM_ACCESS.READONLY', 1) ) {
 				$event->status = kEvent::erFAIL;
 				return;
 			}
 
-			$temp_handler =& $this->Application->recallObject($event->getPrefixSpecial() . '_TempHandler', 'kTempTablesHandler', Array ('parent_event' => &$event));
+			$temp_handler =& $this->Application->recallObject($event->getPrefixSpecial() . '_TempHandler', 'kTempTablesHandler', Array ('parent_event' => $event));
 			/* @var $temp_handler kTempTablesHandler */
 
 			$temp_handler->DeleteItems($event->Prefix, $event->Special, Array ($this->getPassedID($event)));
@@ -1638,14 +1638,14 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnDeleteAll(kEvent &$event)
+		protected function OnDeleteAll(kEvent $event)
 		{
 			$sql = 'SELECT ' . $this->Application->getUnitOption($event->Prefix, 'IDField') . '
 					FROM ' . $this->Application->getUnitOption($event->Prefix, 'TableName');
 			$ids = $this->Conn->GetCol($sql);
 
 			if ( $ids ) {
-				$temp_handler =& $this->Application->recallObject($event->getPrefixSpecial() . '_TempHandler', 'kTempTablesHandler', Array ('parent_event' => &$event));
+				$temp_handler =& $this->Application->recallObject($event->getPrefixSpecial() . '_TempHandler', 'kTempTablesHandler', Array ('parent_event' => $event));
 				/* @var $temp_handler kTempTablesHandler */
 
 				$temp_handler->DeleteItems($event->Prefix, $event->Special, $ids);
@@ -1659,7 +1659,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnNew(kEvent &$event)
+		protected function OnNew(kEvent $event)
 		{
 			$object =& $event->getObject(Array ('skip_autoload' => true));
 			/* @var $object kDBItem */
@@ -1687,7 +1687,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnCancel(kEvent &$event)
+		protected function OnCancel(kEvent $event)
 		{
 			$object =& $event->getObject(Array ('skip_autoload' => true));
 			/* @var $object kDBItem */
@@ -1697,7 +1697,7 @@
 			if ( $items_info ) {
 				$delete_ids = Array ();
 
-				$temp_handler =& $this->Application->recallObject($event->getPrefixSpecial() . '_TempHandler', 'kTempTablesHandler', Array ('parent_event' => &$event));
+				$temp_handler =& $this->Application->recallObject($event->getPrefixSpecial() . '_TempHandler', 'kTempTablesHandler', Array ('parent_event' => $event));
 				/* @var $temp_handler kTempTablesHandler */
 
 				foreach ($items_info as $id => $field_values) {
@@ -1725,14 +1725,14 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnMassDelete(kEvent &$event)
+		protected function OnMassDelete(kEvent $event)
 		{
 			if ( $this->Application->CheckPermission('SYSTEM_ACCESS.READONLY', 1) ) {
 				$event->status = kEvent::erFAIL;
 				return ;
 			}
 
-			$temp_handler =& $this->Application->recallObject($event->getPrefixSpecial() . '_TempHandler', 'kTempTablesHandler', Array ('parent_event' => &$event));
+			$temp_handler =& $this->Application->recallObject($event->getPrefixSpecial() . '_TempHandler', 'kTempTablesHandler', Array ('parent_event' => $event));
 			/* @var $temp_handler kTempTablesHandler */
 
 			$ids = $this->StoreSelectedIDs($event);
@@ -1755,7 +1755,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function setTempWindowID(kEvent &$event)
+		protected function setTempWindowID(kEvent $event)
 		{
 			$prefixes = Array ($event->Prefix, $event->getPrefixSpecial(true));
 
@@ -1778,7 +1778,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnEdit(kEvent &$event)
+		protected function OnEdit(kEvent $event)
 		{
 			$this->setTempWindowID($event);
 			$ids = $this->StoreSelectedIDs($event);
@@ -1788,7 +1788,7 @@
 			$changes_var_name = $this->Prefix . '_changes_' . $this->Application->GetTopmostWid($this->Prefix);
 			$this->Application->RemoveVar($changes_var_name);
 
-			$temp_handler =& $this->Application->recallObject($event->getPrefixSpecial() . '_TempHandler', 'kTempTablesHandler', Array ('parent_event' => &$event));
+			$temp_handler =& $this->Application->recallObject($event->getPrefixSpecial() . '_TempHandler', 'kTempTablesHandler', Array ('parent_event' => $event));
 			/* @var $temp_handler kTempTablesHandler */
 
 			$temp_handler->PrepareEdit();
@@ -1806,7 +1806,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnSave(kEvent &$event)
+		protected function OnSave(kEvent $event)
 		{
 			$event->CallSubEvent('OnPreSave');
 
@@ -1815,7 +1815,7 @@
 			}
 
 			$skip_master = false;
-			$temp_handler =& $this->Application->recallObject($event->getPrefixSpecial() . '_TempHandler', 'kTempTablesHandler', Array ('parent_event' => &$event));
+			$temp_handler =& $this->Application->recallObject($event->getPrefixSpecial() . '_TempHandler', 'kTempTablesHandler', Array ('parent_event' => $event));
 			/* @var $temp_handler kTempTablesHandler */
 
 			$changes_var_name = $this->Prefix . '_changes_' . $this->Application->GetTopmostWid($this->Prefix);
@@ -1959,9 +1959,9 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnCancelEdit(kEvent &$event)
+		protected function OnCancelEdit(kEvent $event)
 		{
-			$temp_handler =& $this->Application->recallObject($event->getPrefixSpecial() . '_TempHandler', 'kTempTablesHandler', Array ('parent_event' => &$event));
+			$temp_handler =& $this->Application->recallObject($event->getPrefixSpecial() . '_TempHandler', 'kTempTablesHandler', Array ('parent_event' => $event));
 			/* @var $temp_handler kTempTablesHandler */
 
 			$temp_handler->CancelEdit();
@@ -1982,7 +1982,7 @@
 		 * @return bool
 		 * @access public
 		 */
-		public function isNewItemCreate(kEvent &$event)
+		public function isNewItemCreate(kEvent $event)
 		{
 			$object =& $event->getObject( Array ('raise_warnings' => 0) );
 			/* @var $object kDBItem */
@@ -1998,7 +1998,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnPreSave(kEvent &$event)
+		protected function OnPreSave(kEvent $event)
 		{
 			// if there is no id - it means we need to create an item
 			if ( is_object($event->MasterEvent) ) {
@@ -2026,7 +2026,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnPreSaveSubItem(kEvent &$event)
+		protected function OnPreSaveSubItem(kEvent $event)
 		{
 			$not_created = $this->isNewItemCreate($event);
 
@@ -2053,7 +2053,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnPreSaveAndGo(kEvent &$event)
+		protected function OnPreSaveAndGo(kEvent $event)
 		{
 			$event->CallSubEvent('OnPreSave');
 
@@ -2071,7 +2071,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnPreSaveAndGoToTab(kEvent &$event)
+		protected function OnPreSaveAndGoToTab(kEvent $event)
 		{
 			$event->CallSubEvent('OnPreSave');
 
@@ -2088,7 +2088,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnUpdateAndGoToTab(kEvent &$event)
+		protected function OnUpdateAndGoToTab(kEvent $event)
 		{
 			$event->setPseudoClass('_List');
 			$event->CallSubEvent('OnUpdate');
@@ -2107,7 +2107,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnPreCreate(kEvent &$event)
+		protected function OnPreCreate(kEvent $event)
 		{
 			$this->setTempWindowID($event);
 			$this->clearSelectedIDs($event);
@@ -2116,7 +2116,7 @@
 			$object =& $event->getObject(Array ('skip_autoload' => true));
 			/* @var $object kDBItem */
 
-			$temp_handler =& $this->Application->recallObject($event->Prefix . '_TempHandler', 'kTempTablesHandler', Array ('parent_event' => &$event));
+			$temp_handler =& $this->Application->recallObject($event->Prefix . '_TempHandler', 'kTempTablesHandler', Array ('parent_event' => $event));
 			/* @var $temp_handler kTempTablesHandler */
 
 			$temp_handler->PrepareEdit();
@@ -2139,7 +2139,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnPreSaveCreated(kEvent &$event)
+		protected function OnPreSaveCreated(kEvent $event)
 		{
 			$object =& $event->getObject( Array('skip_autoload' => true) );
 			/* @var $object kDBItem */
@@ -2167,7 +2167,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnReset(kEvent &$event)
+		protected function OnReset(kEvent $event)
 		{
 			//do nothing - should reset :)
 			if ( $this->isNewItemCreate($event) ) {
@@ -2187,7 +2187,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function iterateItems(kEvent &$event)
+		protected function iterateItems(kEvent $event)
 		{
 			if ( $this->Application->CheckPermission('SYSTEM_ACCESS.READONLY', 1) ) {
 				$event->status = kEvent::erFAIL;
@@ -2249,14 +2249,14 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnMassClone(kEvent &$event)
+		protected function OnMassClone(kEvent $event)
 		{
 			if ( $this->Application->CheckPermission('SYSTEM_ACCESS.READONLY', 1) ) {
 				$event->status = kEvent::erFAIL;
 				return;
 			}
 
-			$temp_handler =& $this->Application->recallObject($event->getPrefixSpecial() . '_TempHandler', 'kTempTablesHandler', Array ('parent_event' => &$event));
+			$temp_handler =& $this->Application->recallObject($event->getPrefixSpecial() . '_TempHandler', 'kTempTablesHandler', Array ('parent_event' => $event));
 			/* @var $temp_handler kTempTablesHandler */
 
 			$ids = $this->StoreSelectedIDs($event);
@@ -2295,7 +2295,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnPreSavePopup(kEvent &$event)
+		protected function OnPreSavePopup(kEvent $event)
 		{
 			$object =& $event->getObject();
 			/* @var $object kDBItem */
@@ -2319,7 +2319,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnBeforeItemLoad(kEvent &$event)
+		protected function OnBeforeItemLoad(kEvent $event)
 		{
 
 		}
@@ -2332,7 +2332,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnAfterItemLoad(kEvent &$event)
+		protected function OnAfterItemLoad(kEvent $event)
 		{
 
 		}
@@ -2344,7 +2344,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnBeforeItemCreate(kEvent &$event)
+		protected function OnBeforeItemCreate(kEvent $event)
 		{
 
 		}
@@ -2356,7 +2356,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnAfterItemCreate(kEvent &$event)
+		protected function OnAfterItemCreate(kEvent $event)
 		{
 			$object =& $event->getObject();
 			/* @var $object kDBItem */
@@ -2373,7 +2373,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnBeforeItemUpdate(kEvent &$event)
+		protected function OnBeforeItemUpdate(kEvent $event)
 		{
 
 		}
@@ -2385,7 +2385,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnAfterItemUpdate(kEvent &$event)
+		protected function OnAfterItemUpdate(kEvent $event)
 		{
 			$object =& $event->getObject();
 			/* @var $object kDBItem */
@@ -2403,7 +2403,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnBeforeItemDelete(kEvent &$event)
+		protected function OnBeforeItemDelete(kEvent $event)
 		{
 
 		}
@@ -2416,7 +2416,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnAfterItemDelete(kEvent &$event)
+		protected function OnAfterItemDelete(kEvent $event)
 		{
 
 		}
@@ -2428,7 +2428,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnBeforeItemValidate(kEvent &$event)
+		protected function OnBeforeItemValidate(kEvent $event)
 		{
 
 		}
@@ -2440,7 +2440,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnAfterItemValidate(kEvent &$event)
+		protected function OnAfterItemValidate(kEvent $event)
 		{
 
 		}
@@ -2453,7 +2453,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnAfterCopyToTemp(kEvent &$event)
+		protected function OnAfterCopyToTemp(kEvent $event)
 		{
 
 		}
@@ -2467,7 +2467,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnBeforeDeleteFromLive(kEvent &$event)
+		protected function OnBeforeDeleteFromLive(kEvent $event)
 		{
 
 		}
@@ -2480,7 +2480,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnBeforeCopyToLive(kEvent &$event)
+		protected function OnBeforeCopyToLive(kEvent $event)
 		{
 
 		}
@@ -2493,7 +2493,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnAfterCopyToLive(kEvent &$event)
+		protected function OnAfterCopyToLive(kEvent $event)
 		{
 			$this->_proccessPendingActions($event);
 		}
@@ -2505,7 +2505,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function _proccessPendingActions(kEvent &$event)
+		protected function _proccessPendingActions(kEvent $event)
 		{
 			$var_name = $this->_getPendingActionVariableName($event);
 			$schedule = $this->Application->RecallVar($var_name);
@@ -2530,7 +2530,7 @@
 		 * @return string
 		 * @access protected
 		 */
-		protected function _getPendingActionVariableName(kEvent &$event)
+		protected function _getPendingActionVariableName(kEvent $event)
 		{
 			$window_id = $this->Application->GetTopmostWid($event->Prefix);
 
@@ -2545,7 +2545,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnBeforeClone(kEvent &$event)
+		protected function OnBeforeClone(kEvent $event)
 		{
 
 		}
@@ -2558,7 +2558,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnAfterClone(kEvent &$event)
+		protected function OnAfterClone(kEvent $event)
 		{
 
 		}
@@ -2570,7 +2570,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnAfterListQuery(kEvent &$event)
+		protected function OnAfterListQuery(kEvent $event)
 		{
 
 		}
@@ -2585,7 +2585,7 @@
 		 * @access protected
 		 * @deprecated
 		 */
-		protected function finalizePopup(kEvent &$event)
+		protected function finalizePopup(kEvent $event)
 		{
 			$event->SetRedirectParam('opener', 'u');
 		}
@@ -2597,7 +2597,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnSearch(kEvent &$event)
+		protected function OnSearch(kEvent $event)
 		{
 			$event->setPseudoClass('_List');
 
@@ -2614,7 +2614,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnSearchReset(kEvent &$event)
+		protected function OnSearchReset(kEvent $event)
 		{
 			$search_helper =& $this->Application->recallObject('SearchHelper');
 			/* @var $search_helper kSearchHelper */
@@ -2630,7 +2630,7 @@
 		 * @access protected
 		 * @deprecated
 		 */
-		protected function OnSetFilter(kEvent &$event)
+		protected function OnSetFilter(kEvent $event)
 		{
 			$filter_id = $this->Application->GetVar('filter_id');
 			$filter_value = $this->Application->GetVar('filter_value');
@@ -2650,7 +2650,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnSetFilterPattern(kEvent &$event)
+		protected function OnSetFilterPattern(kEvent $event)
 		{
 			$filters = $this->Application->GetVar($event->getPrefixSpecial(true) . '_filters');
 			if ( !$filters ) {
@@ -2678,7 +2678,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function FilterAction(kEvent &$event)
+		protected function FilterAction(kEvent $event)
 		{
 			$view_filter = Array ();
 			$filter_menu = $this->Application->getUnitOption($event->Prefix, 'FilterMenu');
@@ -2714,7 +2714,7 @@
 		 * @param kEvent $event
 		 * @access protected
 		 */
-		protected function OnPreSaveAndOpenTranslator(kEvent &$event)
+		protected function OnPreSaveAndOpenTranslator(kEvent $event)
 		{
 			$this->Application->SetVar('allow_translation', true);
 
@@ -2790,7 +2790,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnSelectUser(kEvent &$event)
+		protected function OnSelectUser(kEvent $event)
 		{
 			$object =& $event->getObject();
 			/* @var $object kDBItem */
@@ -2835,7 +2835,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnExport(kEvent &$event)
+		protected function OnExport(kEvent $event)
 		{
 			$selected_ids = $this->StoreSelectedIDs($event);
 
@@ -2874,7 +2874,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function prepareObject(&$object, kEvent &$event)
+		protected function prepareObject(&$object, kEvent $event)
 		{
 			if ( $event->Special == 'export' || $event->Special == 'import' ) {
 				$export_helper =& $this->Application->recallObject('CatItemExportHelper');
@@ -2891,7 +2891,7 @@
 		 * @return Array
 		 * @access public
 		 */
-		public function getCustomExportColumns(kEvent &$event)
+		public function getCustomExportColumns(kEvent $event)
 		{
 			return Array();
 		}
@@ -2903,7 +2903,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnExportBegin(kEvent &$event)
+		protected function OnExportBegin(kEvent $event)
 		{
 			$export_helper =& $this->Application->recallObject('CatItemExportHelper');
 			/* @var $export_helper kCatDBItemExportHelper */
@@ -2918,7 +2918,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnExportCancel(kEvent &$event)
+		protected function OnExportCancel(kEvent $event)
 		{
 			$this->OnGoBack($event);
 		}
@@ -2930,7 +2930,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnBeforeExportBegin(kEvent &$event)
+		protected function OnBeforeExportBegin(kEvent $event)
 		{
 
 		}
@@ -2942,7 +2942,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnDeleteExportPreset(kEvent &$event)
+		protected function OnDeleteExportPreset(kEvent $event)
 		{
 			$field_values = $this->getSubmittedFields($event);
 
@@ -2985,7 +2985,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnPreSaveAndChangeLanguage(kEvent &$event)
+		protected function OnPreSaveAndChangeLanguage(kEvent $event)
 		{
 			if ( $this->UseTempTables($event) ) {
 				$event->CallSubEvent('OnPreSave');
@@ -3009,7 +3009,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnUploadFile(kEvent &$event)
+		protected function OnUploadFile(kEvent $event)
 		{
 			$event->status = kEvent::erSTOP;
 //			define('DBG_SKIP_REPORTING', 0);
@@ -3113,7 +3113,7 @@
 		 * @param kEvent $event
 		 * @return bool
 		 */
-		protected function _checkFlashUploaderPermission(kEvent &$event)
+		protected function _checkFlashUploaderPermission(kEvent $event)
 		{
 			// Flash uploader does NOT send correct cookies, so we need to make our own check
 			$cookie_name = 'adm_' . $this->Application->ConfigValue('SessionCookieName');
@@ -3156,7 +3156,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnDeleteFile(kEvent &$event)
+		protected function OnDeleteFile(kEvent $event)
 		{
 			$event->status = kEvent::erSTOP;
 
@@ -3181,7 +3181,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnViewFile(kEvent &$event)
+		protected function OnViewFile(kEvent $event)
 		{
 			$event->status = kEvent::erSTOP;
 
@@ -3240,7 +3240,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnValidateMInputFields(kEvent &$event)
+		protected function OnValidateMInputFields(kEvent $event)
 		{
 			$minput_helper =& $this->Application->recallObject('MInputHelper');
 			/* @var $minput_helper MInputHelper */
@@ -3255,7 +3255,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnValidateField(kEvent &$event)
+		protected function OnValidateField(kEvent $event)
 		{
 			$event->status = kEvent::erSTOP;
 			$field = $this->Application->GetVar('field');
@@ -3305,7 +3305,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnSuggestValues(kEvent &$event)
+		protected function OnSuggestValues(kEvent $event)
 		{
 			if ( !$this->Application->isAdminUser ) {
 				// very careful here, because this event allows to
@@ -3355,7 +3355,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnSaveWidths(kEvent &$event)
+		protected function OnSaveWidths(kEvent $event)
 		{
 			$event->status = kEvent::erSTOP;
 
@@ -3383,7 +3383,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnBeforeCSVLineImport(kEvent &$event)
+		protected function OnBeforeCSVLineImport(kEvent $event)
 		{
 			// abstract, for hooking
 		}
@@ -3395,7 +3395,7 @@
 		 * @return void
 		 * @access protected
 		 */
-		protected function OnCloneSubItem(kEvent &$event)
+		protected function OnCloneSubItem(kEvent $event)
 		{
 			$clones = $this->Application->getUnitOption($event->MasterEvent->Prefix, 'Clones');
 
@@ -3412,7 +3412,7 @@
 		 * @see PriorityEventHandler
 		 * @access protected
 		 */
-		protected function OnGetConstrainInfo(kEvent &$event)
+		protected function OnGetConstrainInfo(kEvent $event)
 		{
 			$event->setEventParam('constrain_info', Array ('', ''));
 		}