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Created: Sun, Feb 2, 4:15 PM

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	Index: branches/5.0.x/core/kernel/event_manager.php
	===================================================================
	--- branches/5.0.x/core/kernel/event_manager.php (revision 13273)
	+++ branches/5.0.x/core/kernel/event_manager.php (revision 13274)
	@@ -1,811 +1,811 @@
	<?php
	/**
	* @version $Id$
	* @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!');

	define('hBEFORE', 1);
	define('hAFTER', 2);

	define('reBEFORE', 1);
	define('reAFTER', 2);

	class kEventManager extends kBase {

	/**
	* Connection to database
	*
	* @var kDBConnection
	* @access public
	*/
	var $Conn;

	/**
	* Cache of QueryString parameters
	* from config, that are represented
	* in enviroment variable
	*
	* @var Array
	*/
	var $queryMaps = Array();

	/**
	* Build events registred for
	* pseudo classes. key - pseudo class
	* value - event name
	*
	* @var Array
	* @access private
	*/
	var $buildEvents=Array();


	/**
	* Events, that should be run before parser initialization
	*
	* @var Array
	*/
	var $beforeRegularEvents = Array();

	/**
	* Events, that should be run after parser initialization
	*
	* @var Array
	*/
	var $afterRegularEvents = Array();

	/**
	* Holds before hooks
	* key - prefix.event (to link to)
	* value - hooked event info
	*
	* @var Array
	* @access private
	*/
	var $beforeHooks=Array();

	/**
	* Holds after hooks
	* key - prefix.event (to link to)
	* value - hooked event info
	*
	* @var Array
	* @access private
	*/
	var $afterHooks = Array();


	var $recursionStack = Array();

	function kEventManager()
	{
	parent::kBase();
	$this->Conn =& $this->Application->GetADODBConnection();
	}


	/**
	* Returns information about registered regular events
	*
	* @param bool $from_cache
	*
	* @return Array
	*/
	function getRegularEvents($from_cache = false)
	{
	static $agents = null;

	if ($from_cache) {
	return Array (
	reBEFORE => $this->beforeRegularEvents,
	reAFTER => $this->afterRegularEvents,
	);
	}
	else {
	if (!isset($agents)) {
	$sql = 'SELECT *
	FROM ' . $this->Application->getUnitOption('agent', 'TableName') . '
	WHERE Status = ' . STATUS_ACTIVE . ' AND LastRunStatus <> ' . AGENT_LAST_RUN_RUNNING;
	$all_agents = $this->Conn->Query($sql);

	$agents = Array (
	reBEFORE => Array (),
	reAFTER => Array (),
	);

	foreach ($all_agents as $agent_data) {
	$agents[ $agent_data['RunMode'] ][ $agent_data['AgentName'] ] = Array (
	'EventName' => $agent_data['Event'],
	'RunInterval' => (int)$agent_data['RunInterval'],
	'LastRunOn' => (int)$agent_data['LastRunOn'],
	'NextRunOn' => (int)$agent_data['NextRunOn'],
	'Status' => $agent_data['Status'],
	);
	}
	}

	return $agents;
	}
	}


	/**
	* Set's new enviroment parameter mappings
	* between their names as application vars
	*
	* @param Array $new_query_maps
	* @access public
	*/
	/*function setQueryMaps($new_query_maps)
	{
	$this->queryMaps = $new_query_maps;
	}*/

	/**
	* Adds new query map to already parsed query maps
	*
	* @param string $prefix
	*/
	function setQueryMap($prefix_special)
	{
	list($prefix) = explode('.', $prefix_special);

	$query_map = $this->getQueryMap($prefix);
	if ($query_map) {
	$this->queryMaps[$prefix_special] = $query_map;
	}
	else {
	unset($this->queryMaps[$prefix]);
	}

	// 'passed' is set later in ProcessRequest - do we really need it here? (it breakes HTTPQuery initialization...)
	// $this->Application->SetVar('passed', implode(',', array_keys($this->queryMaps)) );
	return $query_map;
	}

	/**
	* Returns QueryMap for requested unit config. In case if unit config is a clone, then get parent item's (from prefix) config to create clone
	*
	* @param string $prefix
	* @return Array
	*/
	function getQueryMap($prefix)
	{
	$query_map = $this->Application->getUnitOption($prefix, 'QueryString');
	if (!$query_map) {
	if (preg_match('/(.?)-(.)/', $prefix, $regs)) {
	// #prefix - format for configs, that are only cloned & optionally used for hooking (without # is old format)
	$check_prefixes = Array ('#'.$regs[2], $regs[2]);
	foreach ($check_prefixes as $check_prefix) {
	if ($this->Application->UnitConfigReader->prefixRegistred($check_prefix)) {
	return $this->Application->getUnitOption($check_prefix, 'QueryString');
	}
	}
	}
	}

	return $query_map;
	}

	/**
	* Registers new regular event
	*
	* @param string $short_name name to be used to store last maintenace run info
	* @param string $event_name
	* @param int $run_interval run interval in seconds
	* @param int $type before or after regular event
	*/
	function registerRegularEvent($short_name, $event_name, $run_interval, $type = reBEFORE, $status = STATUS_ACTIVE)
	{
	if($type == reBEFORE)
	{
	$this->beforeRegularEvents[$short_name] = Array('EventName' => $event_name, 'RunInterval' => $run_interval, 'Status' => $status);
	}
	else
	{
	$this->afterRegularEvents[$short_name] = Array('EventName' => $event_name, 'RunInterval' => $run_interval, 'Status' => $status);
	}
	}

	function registerBuildEvent($pseudo_class,$build_event_name)
	{
	$this->buildEvents[$pseudo_class]=$build_event_name;
	}

	/**
	* Returns build event by pseudo class
	* name if any defined in config
	*
	* @param string $pseudo_class
	* @return kEvent
	* @access public
	*/
	function &getBuildEvent($pseudo_class)
	{
	$false = false;
	if( !isset($this->buildEvents[$pseudo_class]) ) return $false;

	$event = new kEvent();
	$event->Name=$this->buildEvents[$pseudo_class];
	$event->MasterEvent=null;
	return $event;
	}

	/**
	* Check if event is called twice, that causes recursion
	*
	* @param kEvent $event
	*/
	function isRecursion(&$event)
	{
	$event_key = $event->getPrefixSpecial().':'.$event->Name;
	return in_array($event_key, $this->recursionStack) ? true : false;
	}

	function pushEvent(&$event)
	{
	$event_key = $event->getPrefixSpecial().':'.$event->Name;
	array_push($this->recursionStack, $event_key);
	}

	function popEvent()
	{
	array_pop($this->recursionStack);
	}

	/**
	* Allows to process any type of event
	*
	* @param kEvent $event
	* @access public
	*/
	function HandleEvent(&$event)
	{
	if ($this->isRecursion($event)) {
	return true;
	}

	$this->pushEvent($event);

	if( !$this->Application->prefixRegistred($event->Prefix) )
	{
	$unit_config_reader =& $this->Application->recallObject('kUnitConfigReader');
	$unit_config_reader->loadConfig($event->Prefix);
	if( !$this->Application->prefixRegistred($event->Prefix) )
	{
	trigger_error('Prefix <b>'.$event->Prefix.'</b> not registred (requested event <b>'.$event->Name.'</b>)', E_USER_NOTICE);
	return false;
	}
	}

	if (!$event->SkipBeforeHooks) {
	$this->processHooks($event, hBEFORE);
	if ($event->status == erFATAL) return true;
	}

	$event_handler =& $this->Application->recallObject($event->Prefix.'_EventHandler');
	/* @var $event_handler kEventHandler */
	$event_handler->processEvent($event);

	if ($event->status == erFATAL) return true;
	if (!$event->SkipAfterHooks) {
	$this->processHooks($event, hAFTER);
	}

	$this->popEvent();
	return true;
	}

	/**
	* Returns event names given in POST
	*
	* @return Array
	*/
	function _getEventsFromPost()
	{
	$events = $this->Application->GetVar('events');
	if ($events === false) {
	return Array ();
	}

	$ret = Array ();
	foreach ($events as $prefix_special => $event_name) {
	if (!$event_name) {
	continue;
	}

	if (is_array($event_name)) {
	// HTML-input names like "events[prefix.special][event_name]", input value don't matter
	$event_name = key($event_name);
	$this->Application->SetVar($prefix_special . '_event', $event_name);
	}

	// HTML-input names like "events[prefix.special]", input value is event name
	$ret[$prefix_special] = $event_name;
	}

	return $ret;
	}

	function ProcessRequest()
	{
	$this->processOpener();

	// 1. get events from $_POST
	$events = $this->_getEventsFromPost();

	// 2. if nothing there, then try to find them in $_GET
	if ($this->queryMaps && !$events) {
	// if we got $_GET type submit (links, not javascript)
	foreach ($this->queryMaps as $prefix_special => $query_map) {
	$query_map = array_flip($query_map);
	if (isset($query_map['event'])) {
	$event_name = $this->Application->GetVar($prefix_special . '_event');
	if ($event_name) {
	$events[$prefix_special] = $event_name;
	}
	}
	}

	// used ?
	$actions = $this->Application->GetVar('do');
	if ($actions) {
	list ($prefix, $event_name) = explode('_', $actions);
	if ($event_name) {
	$events[$prefix] = $event_name;
	}
	}
	}

	// 3. store all prefixes passed before event processing, because they are used by GetTopmostPrefix
	$all_passed = explode(',', $this->Application->GetVar('passed'));
	foreach ($events as $prefix_special => $event_name) {
	if (!$event_name) {
	continue;
	}

	if ($this->Application->isAdmin) {
	array_push($all_passed, $prefix_special);
	}
	else {
	// don't add special on front-end because of category item list special is autogenerated
	$prefix_special = explode('.', $prefix_special);
	array_push($all_passed, $prefix_special[0]);
	}
	}
	$this->Application->SetVar('all_passed', implode(',', $all_passed));

	foreach ($events as $prefix_special => $event_name) {
	$event = new kEvent();
	$event->Name = $event_name;
	$event->Prefix_Special = $prefix_special;

	$prefix_special = explode('.',$prefix_special);
	$event->Prefix = $prefix_special[0];
	// array_push($passed, $prefix_special[0]);
	$event->Special = isset($prefix_special[1]) ? $prefix_special[1] : '';

	$event->redirect_params = Array('opener' => 's', 'pass' => 'all');
	$event->redirect = true;

	$event_handler =& $this->Application->recallObject($event->Prefix.'_EventHandler');
	/* @var $event_handler kEventHandler */

	if (preg_match('/(.?)-(.)/', $event->Prefix, $regs) && $this->Application->UnitConfigReader->prefixRegistred($regs[1])) {
	// this is event from cloned config -> load parent config to create valid clone
	$this->Application->UnitConfigReader->loadConfig($regs[1]);
	- $this->Application->HandleEvent( new kEvent($regs[1].':OnAfterConfigRead') );
	+ $this->Application->UnitConfigReader->runAfterConfigRead($regs[1]);
	}

	$event->setEventParam('top_prefix', $this->Application->GetTopmostPrefix($event->Prefix, true));
	if (($this->Application->RecallVar('user_id') == -1) \|\| $event_handler->CheckPermission($event)) {
	$this->HandleEvent($event);
	}

	if ($event->status == erSTOP) {
	// event requested to stop processing at this point
	safeDefine('DBG_SKIP_REPORTING', 1);
	$this->Application->Session->SaveData();
	exit;
	}

	if ($event->status == erPERM_FAIL) {
	// should do redirect but to no_permissions template
	$event->redirect = $this->Application->isAdmin ? 'no_permission' : $this->Application->ConfigValue('NoPermissionTemplate');
	$event->redirect_params['pass'] = 'm';

	$themes_helper =& $this->Application->recallObject('ThemesHelper');
	/* @var $themes_helper kThemesHelper */

	$event->redirect_params['m_cat_id'] = $themes_helper->getPageByTemplate($event->redirect);

	// restore stuff, that processOpener() changed
	$wid = $this->Application->GetVar('m_wid');
	$this->Application->RestoreVar(rtrim('opener_stack_'.$wid, '_'));
	// don't save last_template, because no_permission template does js history.back and could cause invalid opener_stack content
	$this->Application->SetVar('skip_last_template', 1);
	}

	if ( ($event->status == erSUCCESS \|\| $event->status == erPERM_FAIL) && ($event->redirect === true \|\| strlen($event->redirect) > 0)) {
	// we need to pass category if the action was submitted to self-template, with the category passed
	// and it has not explicly set redirect template or pass_cateogry param
	if ($event->redirect === true && !array_key_exists('pass_category', $event->redirect_params) && $this->Application->GetVar('m_cat_id')) {
	$event->redirect_params['pass_category'] = 1;
	}

	$wid = $this->Application->GetVar('m_wid');
	if ($wid && $event->redirect_params['opener'] == 'u') {
	$event->redirect_params['opener'] = 's'; // because Application->HREF will react differently when 'opener' = 'u'
	$event->redirect = defined('CLOSE_POPUP_TPL') ? CLOSE_POPUP_TPL : 'incs/close_popup';
	}

	$this->Application->Redirect($event->redirect, $event->redirect_params, null, $event->redirect_script);
	}
	}

	$this->Application->SetVar('events', $events);
	$this->Application->SetVar('passed', implode(',', $all_passed));
	}

	function processOpener()
	{
	$wid = $this->Application->GetVar('m_wid');

	$opener_stack = $this->Application->RecallVar(rtrim('opener_stack_'.$wid, '_'));
	$opener_stack = $opener_stack ? unserialize($opener_stack) : Array();

	$opener_action = $this->Application->GetVar('m_opener');
	switch ($opener_action) {
	case 'r': // "reset" opener stack
	$opener_stack = Array();
	break;

	case 'd': // "down/push" new template to opener stack, deeplevel++
	if ($this->Application->GetVar('front')) {
	$front_session =& $this->Application->recallObject('Session.front');
	array_push($opener_stack, '../'.$front_session->RecallVar('last_template') );
	}
	else {
	array_push($opener_stack, $this->Application->RecallVar('last_template') );
	}
	break;

	case 'u': // "up/pop" last template from opener stack, deeplevel--
	array_pop($opener_stack);
	break;

	case 'p': // pop-up - generate new wid
	$parent_wid = $this->Application->GetVar('m_wid'); // window_id of popup's parent window
	$popup_wid = (int)$this->Application->RecallVar('last_wid') + 1;
	$this->Application->StoreVar('last_wid', $popup_wid);
	$this->Application->SetVar('m_wid', $popup_wid);

	if ($this->Application->GetVar('front')) {
	$front_session =& $this->Application->recallObject('Session.front');

	$last_template = $front_session->RecallVar(rtrim('last_template_popup_'.$parent_wid, '_'));
	$last_template = '../'.$last_template;
	}
	else {
	if ($this->Application->GetVar('merge_opener_stack')) {
	// get last template from parent (that was closed) window opener stack
	$parent_opener_stack_name = rtrim('opener_stack_' . $parent_wid, '_');
	$parent_opener_stack = unserialize( $this->Application->RecallVar($parent_opener_stack_name) );
	$last_template = array_pop($parent_opener_stack);

	if ($parent_opener_stack) {
	$this->Application->StoreVar($parent_opener_stack_name, serialize($parent_opener_stack));
	}
	else {
	$this->Application->RemoveVar($parent_opener_stack_name);
	}
	}
	else {
	$last_template = $this->Application->RecallVar(rtrim('last_template_popup_'.$parent_wid, '_'));
	}
	}

	$opener_stack = Array ( $last_template );
	$this->Application->SetVar('m_opener', 's');
	$wid = $popup_wid;

	/*// store window relations
	$window_relations = $this->Application->RecallVar('window_relations');
	$window_relations = $window_relations ? unserialize($window_relations) : Array ();
	$window_relations[$popup_wid] = $parent_wid;
	$this->Application->StoreVar('window_relations', serialize($window_relations));*/
	break;

	default: // "s/0," stay on same deep level
	break;
	}


	$this->Application->SetVar('m_opener', 's');
	$this->Application->StoreVar(rtrim('opener_stack_'.$wid, '_'), serialize($opener_stack), !$opener_stack); // empty stack is optional
	}

	/**
	* Allows to add new element to opener stack
	*
	* @param string $template
	* @param Array $params
	* @param string $pass
	*/
	function openerStackPush($template, $params, $pass = 'all', $wid = null)
	{
	if (!isset($wid)) {
	$wid = $this->Application->GetVar('m_wid');
	}

	/*// get parent window wid, when this was popup
	$window_relations = $this->Application->RecallVar('window_relations');
	$window_relations = $window_relations ? unserialize($window_relations) : Array ();
	$wid = array_key_exists($wid, $window_relations) ? $window_relations[$wid] : false;*/

	// get opener stack
	$stack_name = rtrim('opener_stack_' . $wid, '_');
	$opener_stack = $this->Application->RecallVar($stack_name);
	$opener_stack = $opener_stack ? unserialize($opener_stack) : Array ();

	// change opener stack
	$default_params = Array ('m_opener' => 'u', '__URLENCODE__' => 1);

	if (!$this->Application->ConfigValue('UsePopups') && $wid) {
	// remove wid to show combined header block in editing window
	$default_params['m_wid'] = '';

	// move last popup's opener stack elemenent to main window's opener stack
	if ($opener_stack) {
	list ($index_file, $env) = explode('\|', $opener_stack[ count($opener_stack) - 1 ], 2);
	$main_params = $this->Application->HttpQuery->processQueryString($env, 'pass');
	$main_template = $main_params['t'];
	unset($main_params['t']);

	$main_params = array_merge($main_params, $default_params);
	$this->openerStackPush($main_template, $main_params, $main_params['pass'], '');
	}
	}

	$redirect_params = array_merge_recursive2($default_params, $params);
	$new_level = $this->Application->BuildEnv($template, $redirect_params, $pass, true);
	array_push($opener_stack, 'index.php\|' . ltrim($new_level, ENV_VAR_NAME . '=') );
	$this->Application->StoreVar($stack_name, serialize($opener_stack));
	}

	/**
	* Allows to change last element in opener stack
	*
	* @param string $template
	* @param Array $params
	* @param string $pass
	*/
	function openerStackChange($params = Array(), $pass_events = true, $wid = null)
	{
	if (!isset($wid)) {
	$wid = $this->Application->GetVar('m_wid');
	}

	// get opener stack
	$stack_name = rtrim('opener_stack_' . $wid, '_');
	$opener_stack = $this->Application->RecallVar($stack_name);
	$opener_stack = $opener_stack ? unserialize($opener_stack) : Array ();

	// change opener stack
	list ($index_file, $env) = explode('\|', $opener_stack[ count($opener_stack) - 1 ], 2);
	$vars = $this->Application->HttpQuery->processQueryString($env, 'pass');
	$vars = array_merge_recursive2($vars, $params);

	// save opener stack
	$new_level = $this->Application->BuildEnv($vars['t'], $vars, $vars['pass'], $pass_events, false);
	$opener_stack[ count($opener_stack) - 1 ] = $index_file . '\|' . $new_level;
	$this->Application->StoreVar($stack_name, serialize($opener_stack));
	}

	function registerHook($hookto_prefix, $hookto_special, $hookto_event, $mode, $do_prefix, $do_special, $do_event, $conditional)
	{
	if ( !$this->Application->prefixRegistred($hookto_prefix) && $hookto_prefix != '*' ) {
	if ($this->Application->isDebugMode()) {
	trigger_error('Prefix <b>'.$hookto_prefix.'</b> doesn\'t exist when trying to hook from <b>'.$do_prefix.':'.$do_event.'</b>', E_USER_WARNING);
	}
	return;
	}
	$hookto_prefix_special = rtrim($hookto_prefix.'.'.$hookto_special, '.');
	if ($mode == hBEFORE) {
	$this->beforeHooks[strtolower($hookto_prefix_special.'.'.$hookto_event)][] = Array(
	'DoPrefix' => $do_prefix,
	'DoSpecial' => $do_special,
	'DoEvent' => $do_event,
	'Conditional' => $conditional,
	);
	}
	elseif ($mode == hAFTER) {
	$this->afterHooks[strtolower($hookto_prefix_special.'.'.$hookto_event)][] = Array(
	'DoPrefix' => $do_prefix,
	'DoSpecial' => $do_special,
	'DoEvent' => $do_event,
	'Conditional' => $conditional,
	);
	}
	}

	/**
	* Enter description here...
	*
	* @param kEvent $event
	* @param int $mode hBEFORE or hAFTER
	* @param string $event_key
	* @return Array
	*/
	function &_getHooks(&$event, $mode, $event_key = null)
	{
	$event_key = isset($event_key) ? $event_key : $event->Prefix_Special;

	if ($mode == hBEFORE) {
	$mode_hooks =& $this->beforeHooks;
	}
	else {
	$mode_hooks =& $this->afterHooks;
	}

	if (!isset($mode_hooks[strtolower($event_key.'.'.$event->Name)])) {
	$hooks = array();
	return $hooks;
	}

	return $mode_hooks[strtolower($event_key.'.'.$event->Name)];
	}

	/**
	* Enter description here...
	*
	* @param kEvent $event
	* @param int $mode hBEFORE or hAFTER
	*/
	function processHooks(&$event, $mode)
	{
	// * - get hooks that are valid with any special of given prefix
	$hooks = array_merge(
	// given prefix, any special
	$this->_getHooks($event, $mode, $event->Prefix.'.*'),

	// given special, given special
	$this->_getHooks($event, $mode),

	// any prefix, any special
	$this->_getHooks($event, $mode, '.'),

	// any prefix, given special
	$this->_getHooks($event, $mode, rtrim('*.' . $event->Special, '.'))
	);

	if ($hooks) {
	foreach ($hooks as $hook) {
	if ($hook['DoSpecial'] == '*') {
	// use same special as master event
	$hook['DoSpecial'] = $event->Special;
	}

	$prefix_special = rtrim($hook['DoPrefix'].'_'.$hook['DoSpecial'], '_');
	if ( $hook['Conditional'] && !$this->Application->GetVar($prefix_special) ) {
	continue;
	}

	if ($this->Application->prefixRegistred($hook['DoPrefix'])) {
	// run hook only, when it's config is found
	$hook_event = new kEvent( Array('name'=>$hook['DoEvent'],'prefix'=>$hook['DoPrefix'],'special'=>$hook['DoSpecial']) );
	$hook_event->MasterEvent =& $event;
	$this->HandleEvent($hook_event);
	}
	}
	}
	}

	/**
	* Set's new event for $prefix_special
	* passed
	*
	* @param string $prefix_special
	* @param string $event_name
	* @access public
	*/
	function setEvent($prefix_special,$event_name)
	{
	$actions =& $this->Application->recallObject('kActions');
	$actions->Set('events['.$prefix_special.']',$event_name);
	}

	/**
	* Run registred regular events with specified event type
	*
	* @param int $event_type
	*/
	function RunRegularEvents($event_type = reBEFORE, $from_cron=false)
	{
	if (defined('IS_INSTALL')) return ;
	// if RegularEvents are set to run from cron
	if (!$from_cron && $this->Application->ConfigValue('UseCronForRegularEvent')) return ;

	$agents = $this->getRegularEvents();
	$events_source = $agents[$event_type];

	$user_id = $this->Application->RecallVar('user_id');
	$this->Application->StoreVar('user_id', -1, true); // to prevent permission checking inside events, true for optional storage

	foreach ($events_source as $short_name => $event_data) {
	$next_run = $event_data['NextRunOn'];
	$last_run = $event_data['LastRunOn'];

	if ($next_run && ($next_run > adodb_mktime())) {
	continue;
	}
	else {
	$event = new kEvent($event_data['EventName']);
	if (!$this->Application->prefixRegistred($event->Prefix)) {
	// don't process agents, left from disabled modules
	continue;
	}

	$start_time = adodb_mktime();
	$fields_hash = Array (
	'LastRunOn' => $start_time,
	'LastRunStatus' => AGENT_LAST_RUN_RUNNING,
	'NextRunOn' => $start_time + $event_data['RunInterval'],
	);

	$this->Conn->doUpdate(
	$fields_hash,
	$this->Application->getUnitOption('agent', 'TableName'),
	'AgentName = ' . $this->Conn->qstr($short_name)
	);

	$event->redirect = false;
	$this->Application->HandleEvent($event);

	$now = adodb_mktime();
	$next_run = $event_data['RunInterval'] ? $start_time + $event_data['RunInterval'] : $now;

	while ($next_run < $now) {
	// in case event execution took longer, then RunInterval (don't use <=, because RunInterval can be 0)
	$next_run += $event_data['RunInterval'];
	}

	$fields_hash = Array (
	'NextRunOn' => $next_run,
	'RunTime' => round(($now - $start_time) / 60),
	'LastRunStatus' => $event->status == erSUCCESS ? AGENT_LAST_RUN_SUCCEDED : AGENT_LAST_RUN_FAILED,
	);

	$this->Conn->doUpdate(
	$fields_hash,
	$this->Application->getUnitOption('agent', 'TableName'),
	'AgentName = ' . $this->Conn->qstr($short_name)
	);
	}
	}

	$this->Application->StoreVar('user_id', $user_id, true); // true for optional
	}

	/**
	* Allows to determine, that required event is beeing processed right now
	*
	* @param string $event_key Event name in format prefix[.special]:event_name
	* @return bool
	*/
	function eventRunning($event_key)
	{
	return array_search($event_key, $this->recursionStack) !== false;
	}

	}
	\ No newline at end of file
	Index: branches/5.0.x/core/kernel/utility/unit_config_reader.php
	===================================================================
	--- branches/5.0.x/core/kernel/utility/unit_config_reader.php (revision 13273)
	+++ branches/5.0.x/core/kernel/utility/unit_config_reader.php (revision 13274)
	@@ -1,992 +1,993 @@
	<?php
	/**
	* @version $Id$
	* @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 kUnitConfigReader extends kBase {

	/**
	* Configs readed
	*
	* @var Array
	* @access private
	*/
	var $configData = Array();
	var $configFiles = Array();

	var $CacheExpired = false;

	var $prefixFiles = array();

	var $ProcessAllConfigs = false;
	var $FinalStage = false;
	var $StoreCache = false;
	var $AfterConfigProcessed = array();

	/**
	* Escaped directory separator for using in regular expressions
	*
	* @var string
	*/
	var $_directorySeparator = '';

	/**
	* Folders to skip during unit config search
	*
	* @var Array
	*/
	var $_skipFolders = Array ('CVS', '.svn', 'admin_templates', 'libchart');

	/**
	* Scan kernel and user classes
	* for available configs
	*
	* @access protected
	*/
	function Init($prefix,$special)
	{
	parent::Init($prefix,$special);

	$this->_directorySeparator = preg_quote( DIRECTORY_SEPARATOR );
	$this->_skipFolders[] = trim(WRITEBALE_BASE, '/'); // system folder (where web server can write)

	$editor_path = explode('/', trim(EDITOR_PATH, '/'));
	$this->_skipFolders[] = array_pop($editor_path); // last of cmseditor folders
	}

	function CacheParsedData()
	{
	$event_manager =& $this->Application->recallObject('EventManager');
	$aggregator =& $this->Application->recallObject('TagsAggregator', 'kArray');

	$config_vars = Array (
	'SessionTimeout',
	'SessionCookieName',
	'SessionBrowserSignatureCheck',
	'SessionIPAddressCheck',
	'CookieSessions',
	'UseCronForRegularEvent',
	'User_GuestGroup',
	'User_LoggedInGroup',
	'SessionTimeout',
	'UseModRewrite',
	'UseOutputCompression',
	'OutputCompressionLevel',
	'KeepSessionOnBrowserClose',
	'Config_Server_Time',
	'Config_Site_Time',
	'UseChangeLog',
	'UseVisitorTracking',
	);

	foreach ($config_vars as $var) {
	$this->Application->ConfigValue($var);
	}

	$cache = Array(
	'Factory.Files' => $this->Application->Factory->Files,
	'Factory.realClasses' => $this->Application->Factory->realClasses,
	'Factory.Dependencies' => $this->Application->Factory->Dependencies,
	'ConfigReader.prefixFiles' => $this->prefixFiles,
	'EventManager.buildEvents' => $event_manager->buildEvents,
	'EventManager.beforeRegularEvents' => $event_manager->beforeRegularEvents,
	'EventManager.afterRegularEvents' => $event_manager->afterRegularEvents,
	'EventManager.beforeHooks' => $event_manager->beforeHooks,
	'EventManager.afterHooks' => $event_manager->afterHooks,
	'TagsAggregator.data' => $aggregator->_Array,

	// the following caches should be reset based on admin interaction (adjusting config, enabling modules etc)
	'Application.Caches.ConfigVariables' => $this->Application->Caches['ConfigVariables'],
	'Application.ConfigCacheIds' => $this->Application->ConfigCacheIds,
	'Application.ConfigHash' => $this->Application->ConfigHash,
	'Application.ReplacementTemplates' => $this->Application->ReplacementTemplates,
	'Application.RewriteListeners' => $this->Application->RewriteListeners,
	'Application.ModuleInfo' => $this->Application->ModuleInfo,
	);

	$conn =& $this->Application->GetADODBConnection();
	if (isset($this->Application->Memcached)) {
	$this->Application->Memcached->set('master:configs_parsed', serialize($cache));
	$this->Application->Memcached->set('master:config_files', serialize($this->configFiles));
	}
	else {
	$conn->Query('REPLACE '.TABLE_PREFIX.'Cache (VarName, Data, Cached) VALUES ("configs_parsed", '.$conn->qstr(serialize($cache)).', '.adodb_mktime().')');
	$conn->Query('REPLACE '.TABLE_PREFIX.'Cache (VarName, Data, Cached) VALUES ("config_files", '.$conn->qstr(serialize($this->configFiles)).', '.adodb_mktime().')');
	}

	$cache_rebuild_by = SERVER_NAME . ' (' . getenv('REMOTE_ADDR') . ') - ' . adodb_date('d/m/Y H:i:s');
	$conn->Query('REPLACE ' . TABLE_PREFIX . 'Cache (VarName, Data, Cached) VALUES ("last_cache_rebuild", ' . $conn->qstr($cache_rebuild_by) . ', ' . adodb_mktime() . ')');

	unset($this->configFiles);
	}

	function RestoreParsedData()
	{
	$conn =& $this->Application->GetADODBConnection();
	if (!isset($this->Application->Memcached) \|\| !($data = $this->Application->Memcached->get('master:configs_parsed'))) {
	$data = $conn->GetOne('SELECT Data FROM '.TABLE_PREFIX.'Cache WHERE VarName = "configs_parsed"');
	}
	if ($data) {
	$cache = unserialize($data);
	$this->Application->Factory->Files = $cache['Factory.Files'];
	$this->Application->Factory->realClasses = $cache['Factory.realClasses'];
	$this->Application->Factory->Dependencies = $cache['Factory.Dependencies'];
	$this->prefixFiles = $cache['ConfigReader.prefixFiles'];

	$event_manager =& $this->Application->recallObject('EventManager');
	$event_manager->buildEvents = $cache['EventManager.buildEvents'];
	$event_manager->beforeRegularEvents = $cache['EventManager.beforeRegularEvents'];
	$event_manager->afterRegularEvents = $cache['EventManager.afterRegularEvents'];
	$event_manager->beforeHooks = $cache['EventManager.beforeHooks'];
	$event_manager->afterHooks = $cache['EventManager.afterHooks'];

	$aggregator =& $this->Application->recallObject('TagsAggregator', 'kArray');
	$aggregator->_Array = $cache['TagsAggregator.data'];

	$this->Application->ConfigHash = $cache['Application.ConfigHash'];

	$this->Application->Caches['ConfigVariables'] = $cache['Application.ConfigCacheIds'];
	$this->Application->ConfigCacheIds = $cache['Application.ConfigCacheIds'];

	$this->Application->ReplacementTemplates = $cache['Application.ReplacementTemplates'];
	$this->Application->RewriteListeners = $cache['Application.RewriteListeners'];

	$this->Application->ModuleInfo = $cache['Application.ModuleInfo'];

	return true;

	}
	else return false;
	}

	function ResetParsedData($include_sections = false)
	{
	$conn =& $this->Application->GetADODBConnection();
	$conn->Query('DELETE FROM '.TABLE_PREFIX.'Cache WHERE VarName = "configs_parsed"');
	if (isset($this->Application->Memcached)) {
	$this->Application->Memcached->delete('master:configs_parsed');
	}

	if ($include_sections) {
	$conn->Query('DELETE FROM '.TABLE_PREFIX.'Cache WHERE VarName = "sections_parsed"');
	if (isset($this->Application->Memcached)) {
	$this->Application->Memcached->delete('master:sections_parsed');
	}
	}
	}

	function scanModules($folderPath, $cache = true)
	{
	if (defined('IS_INSTALL') && IS_INSTALL && !defined('FORCE_CONFIG_CACHE')) {
	// disable config caching during installation
	$cache = false;
	}

	if ($cache) {
	$restored = $this->RestoreParsedData();
	if ($restored) return;
	}

	$this->ProcessAllConfigs = true;

	$this->includeConfigFiles($folderPath, $cache);
	$this->ParseConfigs();

	// tell AfterConfigRead to store cache if neede
	// can't store it here beacuse AfterConfigRead needs ability to change config data
	$this->StoreCache = $cache;
	}

	function findConfigFiles($folderPath, $level = 0)
	{
	/*if ($level == 0) {
	if ($this->Application->isDebugMode()) {
	$start_time = getmicrotime();
	$this->Application->Debugger->appendHTML('kUnitConfigReader::findConfigFiles("' . $folderPath . '")');
	$this->Application->Debugger->appendTrace();
	}
	}*/

	// if FULL_PATH = "/" ensure, that all "/" in $folderPath are not deleted
	$reg_exp = '/^' . preg_quote(FULL_PATH, '/') . '/';
	$folderPath = preg_replace($reg_exp, '', $folderPath, 1); // this make sense, since $folderPath may NOT contain FULL_PATH

	$base_folder = FULL_PATH . $folderPath . DIRECTORY_SEPARATOR;
	$sub_folders = glob($base_folder . '*', GLOB_ONLYDIR);
	if (!$sub_folders) {
	return ;
	}

	if ($level == 0) {
	// don't scan Front-End themes because of extensive directory structure
	$sub_folders = array_diff($sub_folders, Array ($base_folder . 'themes', $base_folder . 'tools'));
	}

	foreach ($sub_folders as $full_path) {
	$sub_folder = substr($full_path, strlen($base_folder));

	if (in_array($sub_folder, $this->_skipFolders)) {
	continue;
	}

	if (preg_match('/^\./', $sub_folder)) {
	// don't scan ".folders"
	continue;
	}

	$config_name = $this->getConfigName($folderPath . DIRECTORY_SEPARATOR . $sub_folder);

	if (file_exists(FULL_PATH . $config_name)) {
	$this->configFiles[] = $config_name;
	}

	$this->findConfigFiles($full_path, $level + 1);
	}

	/*if ($level == 0) {
	if ($this->Application->isDebugMode()) {
	$this->Application->Debugger->appendHTML('kUnitConfigReader::findConfigFiles("' . FULL_PATH . $folderPath . '"): ' . (getmicrotime() - $start_time));
	}
	}*/
	}

	function includeConfigFiles($folderPath, $cache = true)
	{
	$this->Application->refreshModuleInfo();

	$conn =& $this->Application->GetADODBConnection();
	if (!isset($this->Application->Memcached) \|\| !($data = $this->Application->Memcached->get('master:config_files'))) {
	$data = $conn->GetOne('SELECT Data FROM ' . TABLE_PREFIX . 'Cache WHERE VarName = "config_files"');
	}

	if ($cache && $data) {
	$this->configFiles = unserialize($data);
	shuffle($this->configFiles);
	}
	else {
	$this->findConfigFiles($folderPath); // search from base directory
	}

	foreach ($this->configFiles as $filename)
	{
	$prefix = $this->PreloadConfigFile($filename);
	if (!$prefix) {
	trigger_error('Prefix not defined in config file ' . $filename, E_USER_ERROR);
	}
	}
	}

	/**
	* Process all read config files - called ONLY when there is no cache!
	*
	*/
	function ParseConfigs()
	{
	// 1. process normal configs and their dependencies
	$prioritized_configs = array();
	foreach ($this->configData as $prefix => $config) {
	if (isset($config['ConfigPriority'])) {
	$prioritized_configs[$prefix] = $config['ConfigPriority'];
	continue;
	}
	$this->parseConfig($prefix);
	}

	foreach ($this->configData as $prefix => $config) {
	$this->ProcessDependencies($prefix);
	$this->postProcessConfig($prefix, 'AggregateConfigs', 'sub_prefix');
	$clones = $this->postProcessConfig($prefix, 'Clones', 'prefix');
	}

	// 2. process prioritized configs and their dependencies
	asort($prioritized_configs);
	foreach ($prioritized_configs as $prefix => $priority) {
	$this->parseConfig($prefix);
	}

	foreach ($prioritized_configs as $prefix => $priority) {
	$this->ProcessDependencies($prefix);
	}
	}

	function AfterConfigRead($store_cache = null)
	{
	// if (!$this->ProcessAllConfigs) return ;
	$this->FinalStage = true;
	foreach ($this->configData as $prefix => $config) {
	- if (in_array($prefix, $this->AfterConfigProcessed)) {
	- continue;
	- }
	-
	- $this->Application->HandleEvent( new kEvent($prefix.':OnAfterConfigRead') );
	- $this->AfterConfigProcessed[] = $prefix;
	+ $this->runAfterConfigRead($prefix);
	}

	if (!isset($store_cache)) {
	// store cache not overrided -> use global setting
	$store_cache = $this->StoreCache;
	}

	if ($store_cache \|\| (defined('IS_INSTALL') && IS_INSTALL)) {
	// cache is not stored during install, but dynamic clones should be processed in any case
	$this->processDynamicClones();
	$this->retrieveCollections();
	}

	if ($store_cache) {
	$this->_sortRewriteListeners();
	$this->CacheParsedData();

	if (defined('DEBUG_MODE') && DEBUG_MODE && defined('DBG_VALIDATE_CONFIGS') && DBG_VALIDATE_CONFIGS) {
	// validate configs here to have changes from OnAfterConfigRead hooks to prefixes
	foreach ($this->configData as $prefix => $config) {
	if (!isset($config['TableName'])) continue;
	$this->ValidateConfig($prefix);
	}
	}

	$after_event = new kEvent('adm:OnAfterCacheRebuild');
	$this->Application->HandleEvent($after_event);
	}
	}

	/**
	* Sort rewrite listeners according to RewritePriority (non-prioritized listeners goes first)
	*
	*/
	function _sortRewriteListeners()
	{
	$listeners = Array ();
	$prioritized_listeners = Array ();

	// process non-prioritized listeners
	foreach ($this->Application->RewriteListeners as $prefix => $listener_data) {
	if ($listener_data['priority'] === false) {
	$listeners[$prefix] = $listener_data;
	}
	else {
	$prioritized_listeners[$prefix] = $listener_data['priority'];
	}
	}

	// process prioritized listeners
	asort($prioritized_listeners, SORT_NUMERIC);
	foreach ($prioritized_listeners as $prefix => $priority) {
	$listeners[$prefix] = $this->Application->RewriteListeners[$prefix];
	}

	$this->Application->RewriteListeners = $listeners;
	}

	/**
	* Re-reads all configs
	*
	*/
	function ReReadConfigs()
	{
	// clear restored cache (not in db)
	$this->Application->Factory->Files = Array ();
	$this->Application->Factory->realClasses = Array ();
	$this->Application->Factory->Dependencies = Array ();

	$this->Application->EventManager->beforeRegularEvents = Array ();
	$this->Application->EventManager->afterRegularEvents = Array ();
	$this->Application->EventManager->beforeHooks = Array ();
	$this->Application->EventManager->afterHooks = Array ();

	// otherwise ModulesHelper indirectly used from includeConfigFiles won't work
	$this->Application->RegisterDefaultClasses();

	// parse all configs
	$this->ProcessAllConfigs = true;
	+ $this->AfterConfigProcessed = Array ();
	$this->includeConfigFiles(MODULES_PATH, false);
	$this->ParseConfigs();
	$this->AfterConfigRead(false);
	$this->processDynamicClones();
	$this->retrieveCollections();
	}

	/**
	* Process clones, that were defined via OnAfterConfigRead event
	*
	*/
	function processDynamicClones()
	{
	$new_clones = Array();
	foreach ($this->configData as $prefix => $config) {
	$clones = $this->postProcessConfig($prefix, 'Clones', 'prefix');
	if ($clones) {
	$new_clones = array_merge($new_clones, $clones);
	}
	}

	// call OnAfterConfigRead for cloned configs
	$new_clones = array_unique($new_clones);
	foreach ($new_clones as $prefix) {
	- if (in_array($prefix, $this->AfterConfigProcessed)) {
	- continue;
	- }
	-
	- $this->Application->HandleEvent( new kEvent($prefix.':OnAfterConfigRead') );
	- $this->AfterConfigProcessed[] = $prefix;
	+ $this->runAfterConfigRead($prefix);
	}
	}

	/**
	* Process all collectable unit config options here to also catch ones, defined from OnAfterConfigRead events
	*
	*/
	function retrieveCollections()
	{
	foreach ($this->configData as $prefix => $config) {
	// collect replacement templates
	if (array_key_exists('ReplacementTemplates', $config) && $config['ReplacementTemplates']) {
	$this->Application->ReplacementTemplates = array_merge($this->Application->ReplacementTemplates, $config['ReplacementTemplates']);
	}

	// collect rewrite listeners
	if (array_key_exists('RewriteListener', $config) && $config['RewriteListener']) {
	$rewrite_listener = $config['RewriteListener'];
	if (strpos($rewrite_listener, ':') === false) {
	$rewrite_listener = $prefix . '_EventHandler:' . $rewrite_listener;
	}

	$rewrite_priority = array_key_exists('RewritePriority', $config) ? $config['RewritePriority'] : false;

	$this->Application->RewriteListeners[$prefix] = Array ('listener' => $rewrite_listener, 'priority' => $rewrite_priority);
	}
	}
	}

	/**
	* Register nessasary classes
	* This method should only process the data which is cached!
	*
	* @param string $prefix
	* @access private
	*/
	function parseConfig($prefix)
	{
	$config =& $this->configData[$prefix];
	$event_manager =& $this->Application->recallObject('EventManager');
	/* @var $event_manager kEventManager */

	$register_classes = getArrayValue($config,'RegisterClasses');
	if (!$register_classes) $register_classes = Array();
	$class_params=Array('ItemClass','ListClass','EventHandlerClass','TagProcessorClass');
	foreach($class_params as $param_name)
	{
	if ( !(isset($config[$param_name]) ) ) continue;
	$config[$param_name]['pseudo'] = $this->getPrefixByParamName($param_name,$prefix);
	$register_classes[] = $config[$param_name];
	}

	foreach($register_classes as $class_info)
	{
	$require_classes = getArrayValue($class_info, 'require_classes');
	if ($require_classes) {
	if (!is_array($require_classes)) {
	$require_classes = array($require_classes);
	}
	if (!isset($config['_Dependencies'][$class_info['class']])) {
	$config['_Dependencies'][$class_info['class']] = array();
	}
	$config['_Dependencies'][$class_info['class']] = array_merge($config['_Dependencies'][$class_info['class']], $require_classes);
	}

	$this->Application->registerClass(
	$class_info['class'],
	$config['BasePath'] . DIRECTORY_SEPARATOR . $class_info['file'],
	$class_info['pseudo']/*,
	getArrayValue($class_info, 'require_classes')*/
	);
	if (getArrayValue($class_info, 'build_event')) {
	$event_manager->registerBuildEvent($class_info['pseudo'],$class_info['build_event']);
	}
	}

	$regular_events = getArrayValue($config, 'RegularEvents');
	if ($regular_events) {
	foreach ($regular_events as $short_name => $regular_event_info) {
	$event_status = array_key_exists('Status', $regular_event_info) ? $regular_event_info['Status'] : STATUS_ACTIVE;
	$event_manager->registerRegularEvent( $short_name, $config['Prefix'].':'.$regular_event_info['EventName'], $regular_event_info['RunInterval'], $regular_event_info['Type'], $event_status);
	}
	}

	$hooks = getArrayValue($config, 'Hooks');
	if (is_array($hooks) && count($hooks) > 0) {
	foreach ($hooks as $hook) {
	if (isset($config['ParentPrefix']) && $hook['HookToPrefix'] == $config['ParentPrefix']) {
	trigger_error('Depricated Hook Usage [prefix: <b>'.$config['Prefix'].'</b>; do_prefix: <b>'.$hook['DoPrefix'].'</b>] use <b>#PARENT#</b> as <b>HookToPrefix</b> value, where HookToPrefix is same as ParentPrefix', E_USER_NOTICE);
	}

	if ($hook['HookToPrefix'] == '') {
	$hook['HookToPrefix'] = $config['Prefix']; // new: set hooktoprefix to current prefix if not set
	}

	if (isset($config['ParentPrefix'])) {
	// new: allow to set hook to parent prefix what ever it is
	if ($hook['HookToPrefix'] == '#PARENT#') {
	$hook['HookToPrefix'] = $config['ParentPrefix'];
	}

	if ($hook['DoPrefix'] == '#PARENT#') {
	$hook['DoPrefix'] = $config['ParentPrefix'];
	}
	}
	elseif ($hook['HookToPrefix'] == '#PARENT#' \|\| $hook['DoPrefix'] == '#PARENT#') {
	continue; // we need parent prefix but it's not set !
	}

	$do_prefix = $hook['DoPrefix'] == '' ? $config['Prefix'] : $hook['DoPrefix'];

	if ( !is_array($hook['HookToEvent']) ) {
	$hook_events = Array( $hook['HookToEvent'] );
	}
	else {
	$hook_events = $hook['HookToEvent'];
	}
	foreach ($hook_events as $hook_event) {
	$this->Application->registerHook($hook['HookToPrefix'], $hook['HookToSpecial'], $hook_event, $hook['Mode'], $do_prefix, $hook['DoSpecial'], $hook['DoEvent'], $hook['Conditional']);
	}
	}
	}

	if ( is_array(getArrayValue($config, 'AggregateTags')) ) {
	foreach ($config['AggregateTags'] as $aggregate_tag) {
	if (isset($config['ParentPrefix'])) {
	if ($aggregate_tag['AggregateTo'] == $config['ParentPrefix']) {
	trigger_error('Depricated Aggregate Tag Usage [prefix: <b>'.$config['Prefix'].'</b>; AggregateTo: <b>'.$aggregate_tag['AggregateTo'].'</b>] use <b>#PARENT#</b> as <b>AggregateTo</b> value, where AggregateTo is same as ParentPrefix', E_USER_NOTICE);
	}

	if ($aggregate_tag['AggregateTo'] == '#PARENT#') {
	$aggregate_tag['AggregateTo'] = $config['ParentPrefix'];
	}
	}
	$aggregate_tag['LocalPrefix'] = $config['Prefix'];
	$this->Application->registerAggregateTag($aggregate_tag);
	}
	}
	}

	function ValidateConfig($prefix)
	{
	global $debugger;

	$config =& $this->configData[$prefix];

	$tablename = $config['TableName'];
	$float_types = Array ('float', 'double', 'numeric');
	$conn =& $this->Application->GetADODBConnection();

	$table_found = $conn->Query('SHOW TABLES LIKE "'.$tablename.'"');
	if (!$table_found) {
	// config present, but table missing, strange
	$debugger->appendHTML("<b class='debug_error'>Config Warning: </b>Table <strong>$tablename</strong> missing, but prefix <b>".$config['Prefix']."</b> requires it!");
	safeDefine('DBG_RAISE_ON_WARNINGS', 1);
	return ;
	}

	$res = $conn->Query('DESCRIBE '.$tablename);
	$config_link = $debugger->getFileLink(FULL_PATH.$this->prefixFiles[$config['Prefix']], 1, $config['Prefix']);

	$error_messages = Array (
	'field_not_found' => 'Field <strong>%s</strong> exists in the database, but <strong>is not defined</strong> in config',
	'default_missing' => 'Default value for field <strong>%s</strong> not set in config',
	'not_null_error1' => 'Field <strong>%s</strong> is NOT NULL in the database, but is not configured as not_null', // or required',
	'not_null_error2' => 'Field <strong>%s</strong> is described as NOT NULL in config, but <strong>does not have DEFAULT value</strong>',
	'not_null_error3' => 'Field <strong>%s</strong> is described as <strong>NOT NULL in config</strong>, but is <strong>NULL in db</strong>',
	'invalid_default' => '<strong>Default value</strong> for field %s<strong>%s</strong> not sync. to db (in config = %s, in db = %s)',
	'type_missing' => '<strong>Type definition</strong> for field <strong>%s</strong> missing in config',
	);

	$config_errors = Array ();
	$tablename = preg_replace('/^'.preg_quote(TABLE_PREFIX, '/').'(.*)/', '\\1', $tablename); // remove table prefix

	foreach ($res as $field) {
	$f_name = $field['Field'];

	if (getArrayValue($config, 'Fields')) {
	if (preg_match('/l[\d]+_[\w]/', $f_name)) {
	// skip multilingual fields
	continue;
	}

	if (!array_key_exists ($f_name, $config['Fields'])) {
	$config_errors[] = sprintf($error_messages['field_not_found'], $f_name);
	}
	else {
	if (is_numeric($field['Default'])) {
	$field['Default'] = preg_match('/[\.,]/', $field['Default']) ? (float)$field['Default'] : (int)$field['Default'];
	}

	$options = $config['Fields'][$f_name];
	$default_missing = false;
	if (!array_key_exists('default', $options)) {
	$config_errors[] = sprintf($error_messages['default_missing'], $f_name);
	$default_missing = true;
	}

	if ($field['Null'] != 'YES') {
	// field is NOT NULL in database (MySQL5 for null returns "NO", but MySQL4 returns "")
	if ( $f_name != $config['IDField'] && !isset($options['not_null']) /&& !isset($options['required'])/ ) {
	$config_errors[] = sprintf($error_messages['not_null_error1'], $f_name);
	}
	if (isset($options['not_null']) && $options['not_null'] && !isset($options['default']) ) {
	$config_errors[] = sprintf($error_messages['not_null_error2'], $f_name);
	}
	}
	else {
	if (isset($options['not_null']) && $options['not_null']) {
	$config_errors[] = sprintf($error_messages['not_null_error3'], $f_name);
	}
	}

	if (!array_key_exists('type', $options)) {
	$config_errors[] = sprintf($error_messages['type_missing'], $f_name);
	}

	if (!$default_missing) {
	if ($f_name == $config['IDField'] && $options['type'] != 'string' && $options['default'] !== 0) {
	$config_errors[] = sprintf($error_messages['invalid_default'], '<span class="debug_error">IDField</span> ', $f_name, $this->varDump($options['default']), $this->varDump($field['Default']));
	}
	else if ($options['default'] != '#NOW#' && $field['Default'] !== $options['default'] && !in_array($options['type'], $float_types)) {
	$config_errors[] = sprintf($error_messages['invalid_default'], '', $f_name, $this->varDump($options['default']), $this->varDump($field['Default']));
	}
	}
	}
	}
	}

	if ($config_errors) {
	$error_prefix = '<strong class="debug_error">Config Error'.(count($config_errors) > 1 ? 's' : '').': </strong> for prefix <strong>'.$config_link.'</strong> ('.$tablename.') in unit config:<br />';
	$config_errors = $error_prefix.'   '.implode('<br />   ', $config_errors);

	$debugger->appendHTML($config_errors);
	safeDefine('DBG_RAISE_ON_WARNINGS', 1);
	}
	}

	function varDump($value)
	{
	return '<strong>'.var_export($value, true).'</strong> of '.gettype($value);
	}

	function ProcessDependencies($prefix)
	{
	$config =& $this->configData[$prefix];
	$deps = getArrayValue($config, '_Dependencies');
	if (!$deps) return ;

	foreach ($deps as $real_class => $requires) {
	foreach ($requires as $class) {
	$this->Application->registerDependency($real_class, $class);
	}
	}
	unset($config['_Dependencies']);
	}

	function postProcessConfig($prefix, $config_key, $dst_prefix_var)
	{
	$main_config =& $this->configData[$prefix];
	$sub_configs = isset($main_config[$config_key]) && $main_config[$config_key] ? $main_config[$config_key] : false; // getArrayValue($main_config, $config_key);
	if (!$sub_configs) {
	return array();
	}
	unset($main_config[$config_key]);

	$processed = array();
	foreach ($sub_configs as $sub_prefix => $sub_config) {
	if ($config_key == 'AggregateConfigs' && !isset($this->configData[$sub_prefix])) {
	$this->loadConfig($sub_prefix);
	}
	$sub_config['Prefix'] = $sub_prefix;
	$this->configData[$sub_prefix] = array_merge_recursive2($this->configData[$$dst_prefix_var], $sub_config);

	// when merging empty array to non-empty results non-empty array, but empty is required
	foreach ($sub_config as $sub_key => $sub_value) {
	if (!$sub_value) {
	unset($this->configData[$sub_prefix][$sub_key]);
	}
	}
	if ($config_key == 'Clones') {
	$this->prefixFiles[$sub_prefix] = $this->prefixFiles[$prefix];
	}

	$this->postProcessConfig($sub_prefix, $config_key, $dst_prefix_var);
	if ($config_key == 'AggregateConfigs') {
	$processed = array_merge($this->postProcessConfig($sub_prefix, 'Clones', 'prefix'), $processed);
	}
	elseif ($this->ProcessAllConfigs) {
	$this->parseConfig($sub_prefix);
	}
	array_push($processed, $sub_prefix);
	}

	if (!$prefix) {
	// configs, that used only for cloning & not used ifself
	unset($this->configData[$prefix]);
	}
	return array_unique($processed);
	}

	function PreloadConfigFile($filename)
	{
	$config_found = file_exists(FULL_PATH.$filename) && $this->configAllowed($filename);

	if (defined('DEBUG_MODE') && DEBUG_MODE && defined('DBG_PROFILE_INCLUDES') && DBG_PROFILE_INCLUDES) {
	if ( in_array($filename, get_required_files()) ) {
	return;
	}

	global $debugger;

	if ($config_found) {
	$file = FULL_PATH . $filename;
	$file_crc = crc32($file);

	$debugger->ProfileStart('inc_' . $file_crc, $file);
	include_once($file);
	$debugger->ProfileFinish('inc_' . $file_crc);
	$debugger->profilerAddTotal('includes', 'inc_' . $file_crc);
	}
	}
	elseif ($config_found) {
	include_once(FULL_PATH . $filename);
	}

	if ($config_found) {
	if (isset($config) && $config) {
	// config file is included for 1st time -> save it's content for future processing
	$prefix = array_key_exists('Prefix', $config) ? $config['Prefix'] : '';

	preg_match('#' . $this->_directorySeparator . '(.*)' . $this->_directorySeparator . '#U', $filename, $rets);
	$config['ModuleFolder'] = $rets[1];
	$config['BasePath'] = dirname(FULL_PATH . $filename);

	if (array_key_exists('AdminTemplatePath', $config)) {
	// append template base folder for admin templates path of this prefix
	$module_templates = $rets[1] == 'core' ? '' : $rets[1] . '/';
	$config['AdminTemplatePath'] = $module_templates . $config['AdminTemplatePath'];
	}

	if (array_key_exists($prefix, $this->prefixFiles) && ($this->prefixFiles[$prefix] != $filename)) {
	trigger_error(
	'Single unit config prefix "<strong>' . $prefix . '</strong>" ' .
	'is used in multiple unit config files: ' .
	'"<strong>' . $this->prefixFiles[$prefix] . '</strong>", "<strong>' . $filename . '</strong>"',
	E_USER_WARNING
	);
	}

	$this->configData[$prefix] = $config;
	$this->prefixFiles[$prefix] = $filename;

	return $prefix;
	}
	elseif ($prefix = array_search($filename, $this->prefixFiles)) {
	// attempt is made to include config file twice or more, but include_once prevents that,
	// but file exists on hdd, then it is already saved to all required arrays, just return it's prefix
	return $prefix;
	}
	}

	return 'dummy';
	}

	function loadConfig($prefix)
	{
	if (!isset($this->prefixFiles[$prefix])) {
	if ($this->Application->isDebugMode()) $this->Application->Debugger->appendTrace();
	trigger_error('Configuration file for prefix <b>'.$prefix.'</b> is unknown', E_USER_ERROR);
	return ;
	}
	$file = $this->prefixFiles[$prefix];
	$prefix = $this->PreloadConfigFile($file);

	$clones = $this->postProcessConfig($prefix, 'AggregateConfigs', 'sub_prefix');
	$clones = array_merge($this->postProcessConfig($prefix, 'Clones', 'prefix'), $clones);

	if ($this->FinalStage) {
	array_unshift($clones, $prefix);
	$clones = array_unique($clones);
	foreach ($clones as $a_prefix) {
	- $this->Application->HandleEvent( new kEvent($a_prefix.':OnAfterConfigRead') );
	+ $this->runAfterConfigRead($a_prefix);
	}
	}
	}

	+ function runAfterConfigRead($prefix)
	+ {
	+ if (in_array($prefix, $this->AfterConfigProcessed)) {
	+ return ;
	+ }
	+
	+ $this->Application->HandleEvent( new kEvent($prefix . ':OnAfterConfigRead') );
	+ array_push($this->AfterConfigProcessed, $prefix);
	+ }
	+
	/**
	* Reads unit (specified by $prefix)
	* option specified by $option
	*
	* @param string $prefix
	* @param string $name
	* @param mixed $default
	* @return string
	* @access public
	*/
	function getUnitOption($prefix, $name, $default = false)
	{
	if (preg_match('/(.)\.(.)/', $prefix, $rets)) {
	if (!isset($this->configData[$rets[1]])) {
	$this->loadConfig($rets[1]);
	}
	$ret = isset($this->configData[$rets[1]][$name][$rets[2]]) ? $this->configData[$rets[1]][$name][$rets[2]] : false;
	// $ret = getArrayValue($this->configData, $rets[1], $name, $rets[2]);
	}
	else {
	if (!isset($this->configData[$prefix])) {
	$this->loadConfig($prefix);
	}
	$ret = isset($this->configData[$prefix][$name]) ? $this->configData[$prefix][$name] : false;
	// $ret = getArrayValue($this->configData, $prefix, $name);
	}
	return $ret === false ? $default : $ret;
	}

	/**
	* Read all unit with $prefix options
	*
	* @param string $prefix
	* @return Array
	* @access public
	*/
	function getUnitOptions($prefix)
	{
	if (!isset($this->configData[$prefix])) {
	$this->loadConfig($prefix);
	}

	return $this->configData[$prefix];
	}

	/**
	* Set's new unit option value
	*
	* @param string $prefix
	* @param string $name
	* @param string $value
	* @access public
	*/
	function setUnitOption($prefix, $name, $value)
	{
	if (preg_match('/(.)\.(.)/', $prefix, $rets)) {
	if (!isset($this->configData[$rets[1]])) {
	$this->loadConfig($rets[1]);
	}
	$this->configData[$rets[1]][$name][$rets[2]] = $value;
	}
	else {
	if (!isset($this->configData[$prefix])) {
	$this->loadConfig($prefix);
	}
	$this->configData[$prefix][$name] = $value;
	}

	}

	function getPrefixByParamName($paramName,$prefix)
	{
	$pseudo_class_map=Array(
	'ItemClass'=>'%s',
	'ListClass'=>'%s_List',
	'EventHandlerClass'=>'%s_EventHandler',
	'TagProcessorClass'=>'%s_TagProcessor'
	);
	return sprintf($pseudo_class_map[$paramName],$prefix);
	}

	/**
	* Get's config file name based
	* on folder name supplied
	*
	* @param string $folderPath
	* @return string
	* @access private
	*/
	function getConfigName($folderPath)
	{
	return $folderPath . DIRECTORY_SEPARATOR . basename($folderPath) . '_config.php';
	}

	/**
	* Checks if config file is allowed for includion (if module of config is installed)
	*
	* @param string $config_path relative path from in-portal directory
	*/
	function configAllowed($config_path)
	{
	if (defined('IS_INSTALL') && IS_INSTALL) {
	// at installation start no modules in db and kernel configs could not be read
	return true;
	}

	if (preg_match('#' . $this->_directorySeparator . 'plugins' . $this->_directorySeparator . '\|' . $this->_directorySeparator . 'core#', $config_path)) {
	// always allow to include configs from core and plugins folder
	return true;
	}

	$module_found = false;
	if (!$this->Application->ModuleInfo) {
	return false;
	}

	foreach ($this->Application->ModuleInfo as $module_name => $module_info) {
	$module_path = DIRECTORY_SEPARATOR . trim($module_info['Path'], '/') . DIRECTORY_SEPARATOR;

	// config file path starts with module folder path
	if (substr($config_path, 0, strlen($module_path)) == $module_path) {
	// if (preg_match('#^' . preg_quote($module_path, '/') . '#', $config_path)) {
	$module_found = true;
	break;
	}
	}

	return $module_found;
	}

	/**
	* Returns true if config exists and is allowed for reading
	*
	* @param string $prefix
	* @return bool
	*/
	function prefixRegistred($prefix)
	{
	return isset($this->prefixFiles[$prefix]) ? true : false;
	}

	/**
	* Returns config file for given prefix
	*
	* @param string $prefix
	* @return string
	*/
	function getPrefixFile($prefix)
	{
	return array_key_exists($prefix, $this->prefixFiles) ? $this->prefixFiles[$prefix] : false;
	}

	function iterateConfigs($callback_function, $params)
	{
	$this->includeConfigFiles(MODULES_PATH); //make sure to re-read all configs
	$this->AfterConfigRead();

	foreach ($this->configData as $prefix => $config_data) {
	$callback_function[0]->$callback_function[1]($prefix, $config_data, $params);
	}
	}

	}
	\ No newline at end of file
	Index: branches/5.0.x/core/units/helpers/multilanguage_helper.php
	===================================================================
	--- branches/5.0.x/core/units/helpers/multilanguage_helper.php (revision 13273)
	+++ branches/5.0.x/core/units/helpers/multilanguage_helper.php (revision 13274)
	@@ -1,304 +1,304 @@
	<?php
	/**
	* @version $Id$
	* @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!');

	/**
	* Performs action on multilingual fields
	*
	*/
	class kMultiLanguageHelper extends kHelper {

	/**
	* Maximal language id
	*
	* @var int
	*/
	var $languageCount = 0;

	/**
	* Languages created in system
	*
	* @var Array
	*/
	var $languagesIDs = Array ();

	/**
	* Structure of table, that is currently processed
	*
	* @var Array
	*/
	var $curStructure = Array();

	/**
	* Field, to get structure information from
	*
	* @var string
	*/
	var $curSourceField = false;

	/**
	* Indexes used in table of 32
	*
	* @var int
	*/
	var $curIndexCount = 0;

	/**
	* Fields from config, that are currently used
	*
	* @var Array
	*/
	var $curFields = Array();

	function kMultiLanguageHelper()
	{
	parent::kHelper();
	$this->languageCount = $this->getLanguageCount();
	}

	/**
	* Checks if language with specified id is created
	*
	* @param int $language_id
	* @return bool
	*/
	function LanguageFound($language_id)
	{
	return in_array($language_id, $this->languagesIDs) \|\| $language_id <= 5;
	}

	/**
	* Returns language count in system (always is divisible by 5)
	*
	*/
	function getLanguageCount()
	{
	$id_field = $this->Application->getUnitOption('lang', 'IDField');
	$table_name = $this->Application->getUnitOption('lang', 'TableName');

	$this->languagesIDs = $this->Conn->GetCol('SELECT '.$id_field.' FROM '.$table_name);

	$languages_count = $this->Conn->GetOne('SELECT MAX('.$id_field.') FROM '.$table_name);

	return max($languages_count, 5);
	}


	function scanTable($mask)
	{
	$i = 0;
	$fields_found = 0;
	$fields = array_keys($this->curStructure);

	foreach ($fields as $field_name) {
	if (preg_match($mask, $field_name)) {
	$fields_found++;
	}
	}
	return $fields_found;
	}

	function readTableStructure($table_name, $refresh = false)
	{
	// if ($refresh \|\| !getArrayValue($structure_status, $prefix.'.'.$table_name)) {
	$this->curStructure = $this->Conn->Query('DESCRIBE '.$table_name, 'Field');
	$this->curIndexCount = count($this->Conn->Query('SHOW INDEXES FROM '.$table_name));
	// }
	}

	/**
	* Creates missing multilanguage fields in table by specified prefix
	*
	* @param string $prefix
	* @param bool $refresh Forces config field structure to be re-read from database
	*/
	function createFields($prefix, $refresh = false)
	{
	if ($refresh && preg_match('/(.*)-cdata$/', $prefix, $regs)) {
	// call main item config to clone cdata table
	$this->Application->UnitConfigReader->loadConfig($regs[1]);
	- $this->Application->HandleEvent( new kEvent($prefix.':OnAfterConfigRead') );
	+ $this->Application->UnitConfigReader->runAfterConfigRead($prefix);
	}

	$table_name = $this->Application->getUnitOption($prefix, 'TableName');
	$this->curFields = $this->Application->getUnitOption($prefix, 'Fields');

	if (!($table_name && $this->curFields) \|\| ($table_name && !$this->Conn->TableFound($table_name))) {
	// invalid config found or prefix not found
	return true;
	}

	$sqls = Array();
	$this->readTableStructure($table_name, $refresh);

	foreach($this->curFields as $field_name => $field_options)
	{
	if (getArrayValue($field_options, 'formatter') == 'kMultiLanguage') {
	if (isset($field_options['master_field'])) {
	unset($this->curFields[$field_name]);
	continue;
	}

	$this->setSourceField($field_name);
	if ($this->languageCount > 0) {
	// `l77_Name` VARCHAR( 255 ) NULL DEFAULT '0';
	$field_mask = Array();
	$field_mask['name'] = 'l%s_'.$field_name;
	$field_mask['null'] = getArrayValue($field_options, 'not_null') ? 'NOT NULL' : 'NULL';

	if ($this->curSourceField) {
	$default_value = $this->getFieldParam('Default') != 'NULL' ? $this->Conn->qstr($this->getFieldParam('Default')) : $this->getFieldParam('Default');
	$field_mask['type'] = $this->getFieldParam('Type');
	}
	else {
	$default_value = is_null($field_options['default']) ? 'NULL' : $this->Conn->qstr($field_options['default']);
	$field_mask['type'] = $field_options['db_type'];
	}
	$field_mask['default'] = 'DEFAULT '.$default_value;

	if (strtoupper($field_mask['type']) == 'TEXT') {
	// text fields in mysql doesn't have default value
	$field_mask = $field_mask['name'].' '.$field_mask['type'].' '.$field_mask['null'];
	}
	else {
	$field_mask = $field_mask['name'].' '.$field_mask['type'].' '.$field_mask['null'].' '.$field_mask['default'];
	}

	$alter_sqls = $this->generateAlterSQL($field_mask, 1, $this->languageCount);
	if ($alter_sqls) {
	$sqls[] = 'ALTER TABLE '.$table_name.' '.$alter_sqls;
	}
	}
	}
	}

	foreach ($sqls as $sql_query) {
	$this->Conn->Query($sql_query);
	}
	}

	function deleteField($prefix, $custom_id)
	{
	$table_name = $this->Application->getUnitOption($prefix, 'TableName');
	$sql = 'DESCRIBE '.$table_name.' "l%_cust_'.$custom_id.'"';
	$fields = $this->Conn->GetCol($sql);

	$sql = 'ALTER TABLE '.$table_name.' ';
	$sql_template = 'DROP COLUMN %s, ';

	foreach ($fields as $field_name) {
	$sql .= sprintf($sql_template, $field_name);
	}

	$this->Conn->Query( substr($sql, 0, -2) );
	}

	/**
	* Returns parameter requested of current source field
	*
	* @param string $param_name
	* @return string
	*/
	function getFieldParam($param_name)
	{
	return $this->curStructure[$this->curSourceField][$param_name];
	}

	/**
	* Detects field name to create other fields from
	*
	* @param string $field_name
	*/
	function setSourceField($field_name)
	{
	$ret = $this->scanTable('/^l[\d]+_'.preg_quote($field_name, '/').'$/');
	if (!$ret) {
	// no multilingual fields at all (but we have such field without language prefix)
	$original_found = $this->scanTable('/'.preg_quote($field_name, '/').'/');
	$this->curSourceField = $original_found ? $field_name : false;
	}
	else {
	$this->curSourceField = 'l1_'.$field_name;
	}
	}

	/**
	* Returns ALTER statement part for adding required fields to table
	*
	* @param string $field_mask sql mask for creating field with correct definition (type & size)
	* @param int $start_index add new fields starting from this index
	* @param int $create_count create this much new multilingual field translations
	* @return string
	*/
	function generateAlterSQL($field_mask, $start_index, $create_count)
	{
	static $single_lang = null;
	if (!isset($single_lang)) {
	// if single language mode, then create indexes only on primary columns
	$table_name = $this->Application->getUnitOption('lang', 'TableName');
	$sql = 'SELECT COUNT(*)
	FROM '.$table_name.'
	WHERE Enabled = 1';
	// if language count = 0, then assume it's multi language mode
	$single_lang = $this->Conn->GetOne($sql) == 1;
	}

	$ret = '';
	$ml_field = preg_replace('/l(.?)_(.?) (.*)/', '\\2', $field_mask);

	$i_count = $start_index + $create_count;
	while ($start_index < $i_count) {

	if (isset($this->curStructure['l'.$start_index.'_'.$ml_field]) \|\| (!$this->LanguageFound($start_index)) ) {
	$start_index++;
	continue;
	}

	$prev_index = $start_index - 1;
	do {
	list($prev_field,$type) = explode(' ', sprintf($field_mask, $prev_index) );
	} while ($prev_index > 0 && !$this->LanguageFound($prev_index--));

	if (substr($prev_field, 0, 3) == 'l0_') {
	$prev_field = substr($prev_field, 3, strlen($prev_field));
	if (!$this->curSourceField) {
	// get field name before this one
	$fields = array_keys($this->curFields);
	// $prev_field = key(end($this->curStructure));
	$prev_field = $fields[array_search($prev_field, $fields) - 1];
	if (getArrayValue($this->curFields[$prev_field], 'formatter') == 'kMultiLanguage') {
	$prev_field = 'l'.$this->languageCount.'_'.$prev_field;
	}
	}
	}

	$field_expression = sprintf($field_mask, $start_index);
	$ret .= 'ADD COLUMN '.$field_expression.' AFTER `'.$prev_field.'`, ';

	if ($this->curIndexCount < 32 && ($start_index == $this->Application->GetDefaultLanguageId() \|\| !$single_lang)) {
	// create index for primary language column + for all others (if multiple languages installed)
	list($field_name, $field_params) = explode(' ', $field_expression, 2);

	$index_type = isset($this->curFields[$ml_field]['index_type']) ? $this->curFields[$prev_field]['index_type'] : 'string';

	$ret .= $index_type == 'string' ? 'ADD INDEX (`'.$field_name.'` (5) ), ' : 'ADD INDEX (`'.$field_name.'`), ';
	$this->curIndexCount++;
	}

	$start_index++;
	}
	return preg_replace('/, $/', ';', $ret);
	}
	}

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