egroupware/mail/inc/class.mail_ui.inc.php

<?php
/**
 * EGroupware - Mail - interface class
 *
 * @link http://www.egroupware.org
 * @package mail
 * @author Stylite AG [info@stylite.de]
 * @copyright (c) 2013-2014 by Stylite AG <info-AT-stylite.de>
 * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
 * @version $Id$
 */

include_once(EGW_INCLUDE_ROOT.'/etemplate/inc/class.etemplate.inc.php');

/**
 * Mail Interface class
 */
class mail_ui
{
	/**
	 * Methods callable via menuaction
	 *
	 * @var array
	 */
	var $public_functions = array
	(
		'index' => True,
		'displayHeader'	=> True,
		'displayMessage'	=> True,
		'displayImage'		=> True,
		'getAttachment'		=> True,
		'download_zip'		=> True,
		'saveMessage'	=> True,
		'vfsSaveAttachment' => True,
		'vfsSaveMessage' => True,
		'loadEmailBody'	=> True,
		'importMessage'	=> True,
		'importMessageFromVFS2DraftAndDisplay'=>True,
		'subscription'	=> True,
	);

	/**
	 * current icServerID
	 *
	 * @var int
	 */
	static $icServerID;

	/**
	 * delimiter - used to separate profileID from foldertreestructure, and separate keyinformation in rowids
	 *
	 * @var string
	 */
	static $delimiter = '::';

	/**
	 * nextMatch name for index
	 *
	 * @var string
	 */
	static $nm_index = 'nm';

	/**
	 * instance of mail_bo
	 *
	 * @var mail_bo
	 */
	var $mail_bo;

	/**
	 * definition of available / supported search types
	 *
	 * @var array
	 */
	var $searchTypes = array(
		'quick'		=> 'quicksearch',	// lang('quicksearch')
		'subject'	=> 'subject',		// lang('subject')
		'body'		=> 'message body',	// lang('message body')
		'from'		=> 'from',			// lang('from')
		'to'		=> 'to',			// lang('to')
		'cc'		=> 'cc',			// lang('cc')
	);

	/**
	 * definition of available / supported status types
	 *
	 * @var array
	 */
	var $statusTypes = array(
		'any'		=> 'any status',// lang('any status')
		'flagged'	=> 'flagged',	// lang('flagged')
		'unseen'	=> 'unread',	// lang('unread')
		'answered'	=> 'replied',	// lang('replied')
		'seen'		=> 'read',		// lang('read')
		'deleted'	=> 'deleted',	// lang('deleted')
	);

	/**
	 * Constructor
	 *
	 */
	function __construct()
	{
		if (mail_bo::$debugTimes) $starttime = microtime (true);
		if (!isset($GLOBALS['egw_info']['flags']['js_link_registry']))
		{
			//error_log(__METHOD__.__LINE__.' js_link_registry not set, force it:'.array2string($GLOBALS['egw_info']['flags']['js_link_registry']));
			$GLOBALS['egw_info']['flags']['js_link_registry']=true;
		}
		// no autohide of the sidebox, as we use it for folderlist now.
		unset($GLOBALS['egw_info']['user']['preferences']['common']['auto_hide_sidebox']);
		if (!empty($_GET["resetConnection"])) $connectionReset = html::purify($_GET["resetConnection"]);
		unset($_GET["resetConnection"]);

		if (isset($GLOBALS['egw_info']['user']['preferences']['mail']['ActiveProfileID']) && !empty($GLOBALS['egw_info']['user']['preferences']['mail']['ActiveProfileID']))
		{
			self::$icServerID = (int)$GLOBALS['egw_info']['user']['preferences']['mail']['ActiveProfileID'];
		}
		if ($connectionReset)
		{
			if (mail_bo::$debug) error_log(__METHOD__.__LINE__.' Connection Reset triggered:'.$connectionReset.' for Profile with ID:'.self::$icServerID);
			emailadmin_imapbase::unsetCachedObjects(self::$icServerID);
		}

		try {
			$this->mail_bo = mail_bo::getInstance(true,self::$icServerID);
			if (mail_bo::$debug) error_log(__METHOD__.__LINE__.' Fetched IC Server:'.self::$icServerID.'/'.$this->mail_bo->profileID.':'.function_backtrace());
			//error_log(__METHOD__.__LINE__.array2string($this->mail_bo->icServer));
			
			// RegEx to minimize extra openConnection
			$needle = '/mail.etemplate_widget_nextmatch.ajax_get_rows.etemplate|'
					. 'mail.mail_ui.ajax_refreshQuotaDisplay|'
					. 'mail.mail_ui.ajax_changeProfile|'
					. '^(?!mail)/';
			if (!preg_match($needle,$_GET['menuaction']))
			{
				//error_log(__METHOD__.__LINE__.' Fetched IC Server openConnection:'.self::$icServerID.'/'.$this->mail_bo->profileID.':'.function_backtrace());
				//openConnection gathers SpecialUseFolderInformation and Delimiter Info
				$this->mail_bo->openConnection(self::$icServerID);
			}
		}
		catch (Exception $e)
		{
			// redirect to mail wizard to handle it (redirect works for ajax too)
			self::callWizard($e->getMessage());
		}
		if (mail_bo::$debugTimes) mail_bo::logRunTimes($starttime,null,'',__METHOD__.__LINE__);
	}

	/**
	 * callWizard
	 *
	 * @param string $message
	 * @param boolean $exit If true, will call common::egw_exit() after opening the wizardpopup
	 */
	static function callWizard($message, $exit=true)
	{
		//error_log(__METHOD__."('$message', $exit) ".function_backtrace());
		$linkData=(self::$icServerID ? array(
				'menuaction' => 'mail.mail_wizard.edit',
				'acc_id' => self::$icServerID,
			) : array(
				'menuaction' => 'mail.mail_wizard.add',
			)) + array(
				'msg' => $message
			);

		if (egw_json_response::isJSONResponse())
		{
			$response = egw_json_response::get();
			$windowName = "editMailAccount".self::$icServerID;
			$response->call("egw.open_link", egw::link('/index.php', $linkData), $windowName, "600x480");
			egw_framework::message($message, 'error');
			if ($_GET['menuaction'] == 'mail.mail_ui.index')
			{
				$response->call('framework.setSidebox','mail',array(),'md5');
			}	
			if ($exit)
			{
				common::egw_exit();
			}
		}
		else	// regular GET request eg. in idots template
		{
			egw_framework::popup(egw_framework::link('/index.php',$linkData));
			$GLOBALS['egw']->framework->render($message,'',true);
			if ($exit)
			{
				common::egw_exit();
			}
		}
	}

	/**
	 * changeProfile
	 *
	 * @param int $_icServerID
	 * @param boolean $unsetCache
	 */
	function changeProfile($_icServerID,$unsetCache=false)
	{
		if (mail_bo::$debugTimes) $starttime = microtime (true);
		if (self::$icServerID != $_icServerID)
		{
			self::$icServerID = $_icServerID;
		}
		if (mail_bo::$debug) error_log(__METHOD__.__LINE__.'->'.self::$icServerID.'<->'.$_icServerID);

		if ($unsetCache) emailadmin_imapbase::unsetCachedObjects(self::$icServerID);
		$this->mail_bo = mail_bo::getInstance(false,self::$icServerID);
		if (mail_bo::$debug) error_log(__METHOD__.__LINE__.' Fetched IC Server:'.self::$icServerID.'/'.$this->mail_bo->profileID.':'.function_backtrace());
		// no icServer Object: something failed big time
		if (!isset($this->mail_bo->icServer) || $this->mail_bo->icServer->ImapServerId<>$_icServerID)
		{
			self::$icServerID = $_icServerID;
			throw new egw_exception('Profile change failed!');
		}

		// save session varchar
		$oldicServerID =& egw_cache::getSession('mail','activeProfileID');
		if ($oldicServerID <> self::$icServerID) $this->mail_bo->openConnection(self::$icServerID);
		$oldicServerID = self::$icServerID;
		if (!emailadmin_imapbase::storeActiveProfileIDToPref($this->mail_bo->icServer, self::$icServerID, true ))
		{
			throw new egw_exception(__METHOD__." failed to change Profile to $_icServerID");
		}

		if (mail_bo::$debugTimes) mail_bo::logRunTimes($starttime,null,'',__METHOD__.__LINE__);
	}

	/**
	 * Subscribe or Unsubscribe to a folder
	 * also it is consider if the folder is valid to un/subscribe
	 *
	 * @param boolean $folderName subscribe if true and unsubscribe if false
	 * @param string $status folder name
	 *
	 * @example setSubscribe('INBOX', true) subscribe to folder INBOX
	 *
	 */
	function setSubscribe ($folderName,$status=true)
	{
		$validFolder = true;
		$result = true;
		$nameSpaces = $this->mail_bo->_getNameSpaces();

		foreach($nameSpaces as &$value )
		{
			if (str_replace($value['delimiter'],"",$value['prefix']) == $folderName &&
					$value['type'] == 'others' || $value['type'] == 'shared')
			{
				$validFolder = false;
			}
		}

		if ($status && $validFolder)
		{
			try
			{
				$this->mail_bo->subscribe($folderName, $status);
			} catch (Exception $e)
			{
				$result = false;
				error_log(__METHOD__.__LINE__."() error ".$e->getMessage()." happend while subscribing to folder ". $folderName );
			}

		}
		else if($validFolder)
		{
			try
			{
				$this->mail_bo->subscribe($folderName, $status);
			} catch (Exception $e)
			{
				$result = false;
				error_log(__METHOD__.__LINE__."() error ".$e->getMessage()." happend while unsubscribing of folder ". $folderName );
			}
		}
		return $result;
	}

	/**
	 * Subscription popup window
	 *
	 * @param array $content
	 * @param type $msg
	 */
	function subscription(array $content=null ,$msg='')
	{
		$stmpl = new etemplate_new('mail.subscribe');

		$profileId = $_GET['acc_id'];

		$allFolders = $this->mail_bo->getFolderObjects(false,false,false,false);
		$sel_options['foldertree'] =  $this->getFolderTree(false, $profileId,false,false);

		if (!is_array($content))
		{
			if ($profileId)
			{

				$content['foldertree'] = array();
				$content['profileId'] = $profileId;

				foreach ($allFolders as $folder)
				{
					$folderName = $profileId . self::$delimiter . $folder->folderName;
					if ($folder->subscribed)
					{
						array_push($content['foldertree'], $folderName);
					}
				}
			}
		}
		else
		{
			list($button) = @each($content['button']);
			switch ($button)
			{
				case 'save':
				case 'apply':
				{
					foreach ($allFolders as $folder)
					{
						$folderName = $content['profileId'] . self::$delimiter . $folder->folderName;
						if (!in_array($folderName, $content['foldertree']))
						{
							if($this->setSubscribe($folder->folderName, false))
							{
								$msg = lang('Subscription successfully saved!');

							}
							else
							{
								$msg = lang('Subscription faild!');
							}
						}
						else
						{
							if($this->setSubscribe($folder->folderName, true))
							{
								$msg = lang('Subscription successfully saved!');
							}
							else
							{
								$msg = lang('Subscription faild!');
							}
						}
					}
					$parentFolder='INBOX';

					$refreshData = array(
						$content['profileId'] => lang($parentFolder)
					);

					// Send full info back in the response
					$response = egw_json_response::get();
					foreach($refreshData as $folder => &$name)
					{
						$name = $this->getFolderTree(true, $folder, true, true,false);
					}
					$response->call('opener.app.mail.mail_reloadNode',$refreshData);
					egw_framework::refresh_opener($msg, 'mail');
					if ($button == 'apply') break;
				}
				case 'cancel':
				{
					egw_framework::window_close();
				}
			}
		}

		$preserv['profileId'] = $content['profileId'];
		$readonlys = array();


		$stmpl->exec('mail.mail_ui.subscription', $content,$sel_options,$readonlys,$preserv,2);
	}

	/**
	 * Main mail page
	 *
	 * @param array $content
	 * @param string $msg
	 */
	function index(array $content=null,$msg=null)
	{
		try	{
				//error_log(__METHOD__.__LINE__.function_backtrace());
				if (mail_bo::$debugTimes) $starttime = microtime (true);
				$this->mail_bo->restoreSessionData();
				$sessionFolder = $this->mail_bo->sessionData['mailbox'];
				if ($this->mail_bo->folderExists($sessionFolder))
				{
					$this->mail_bo->reopen($sessionFolder); // needed to fetch full set of capabilities
				}
				else
				{
					$sessionFolder = $this->mail_bo->sessionData['mailbox'] = 'INBOX';
				}
				//error_log(__METHOD__.__LINE__.' SessionFolder:'.$sessionFolder.' isToSchema:'.$toSchema);
				if (!is_array($content))
				{
					$content = array(
						self::$nm_index => egw_session::appsession('index','mail'),
					);
					if (!is_array($content[self::$nm_index]))
					{
						$content[self::$nm_index] = array(
							'get_rows'       =>	'mail.mail_ui.get_rows',	// I  method/callback to request the data for the rows eg. 'notes.bo.get_rows'
							'filter'         => 'any',	// filter is used to choose the mailbox
							'no_filter2'     => false,	// I  disable the 2. filter (params are the same as for filter)
							'no_cat'         => true,	// I  disable the cat-selectbox
							//'cat_is_select'	 => 'no_lang', // true or no_lang
							'lettersearch'   => false,	// I  show a lettersearch
							'searchletter'   =>	false,	// I0 active letter of the lettersearch or false for [all]
							'start'          =>	0,		// IO position in list
							'order'          =>	'date',	// IO name of the column to sort after (optional for the sortheaders)
							'sort'           =>	'DESC',	// IO direction of the sort: 'ASC' or 'DESC'
							//'default_cols'   => 'status,attachments,subject,'.($toSchema?'toaddress':'fromaddress').',date,size',	// I  columns to use if there's no user or default pref (! as first char uses all but the named columns), default all columns
							//'default_cols'   => 'status,attachments,subject,address,date,size',	// I  columns to use if there's no user or default pref (! as first char uses all but the named columns), default all columns
							//'csv_fields'     =>	false, // I  false=disable csv export, true or unset=enable it with auto-detected fieldnames,
											//or array with name=>label or name=>array('label'=>label,'type'=>type) pairs (type is a eT widget-type)
							'actions'        => self::get_actions(),
							'row_id'         => 'row_id', // is a concatenation of trim($GLOBALS['egw_info']['user']['account_id']):profileID:base64_encode(FOLDERNAME):uid
							'placeholder_actions' => array('composeasnew')
						);
					}
				}

				$content[self::$nm_index]['num_rows'] = 0;      // Do not send any rows with initial request
				$content[self::$nm_index]['default_cols'] = 'status,attachments,subject,address,date,size';	// I  columns to use if there's no user or default pref (! as first char uses all but the named columns), default all columns
				$content[self::$nm_index]['csv_fields'] = false;
				if ($msg)
				{
					$content['msg'] = $msg;
				}
				else
				{
					unset($msg);
					unset($content['msg']);
				}

				$quota = $this->mail_bo->getQuotaRoot();

				if($quota !== false && $quota['limit'] != 'NOT SET') {
					$quotainfo = $this->quotaDisplay($quota['usage'], $quota['limit']);
					$content[self::$nm_index]['quota'] = $sel_options[self::$nm_index]['quota'] = $quotainfo['text'];
					$content[self::$nm_index]['quotainpercent'] = $sel_options[self::$nm_index]['quotainpercent'] =  (string)$quotainfo['percent'];
					$content[self::$nm_index]['quotaclass'] = $sel_options[self::$nm_index]['quotaclass'] = $quotainfo['class'];
					$content[self::$nm_index]['quotanotsupported'] = $sel_options[self::$nm_index]['quotanotsupported'] = "";
				} else {
					$content[self::$nm_index]['quota'] = $sel_options[self::$nm_index]['quota'] = lang("Quota not provided by server");
					$content[self::$nm_index]['quotaclass'] = $sel_options[self::$nm_index]['quotaclass'] = "mail_DisplayNone";
					$content[self::$nm_index]['quotanotsupported'] = $sel_options[self::$nm_index]['quotanotsupported'] = "mail_DisplayNone";
				}

				$vacation = $this->gatherVacation();
				//error_log(__METHOD__.__LINE__.' Server:'.self::$icServerID.' Sieve Enabled:'.array2string($vacation));
				if($vacation) {
					if (is_array($vacation) && ($vacation['status'] == 'on' || $vacation['status']=='by_date'))
					{
						$dtfrmt = $GLOBALS['egw_info']['user']['preferences']['common']['dateformat']/*.' '.($GLOBALS['egw_info']['user']['preferences']['common']['timeformat']!='24'?'h:i a':'H:i')*/;
						$content[self::$nm_index]['vacationnotice'] = $sel_options[self::$nm_index]['vacationnotice'] = lang('Vacation notice is active');
						$content[self::$nm_index]['vacationrange'] = $sel_options[self::$nm_index]['vacationrange'] = ($vacation['status']=='by_date'? common::show_date($vacation['start_date'],$dtfrmt,true).($vacation['end_date']>$vacation['start_date']?'->'.common::show_date($vacation['end_date']+ 24*3600-1,$dtfrmt,true):''):'');
					}
				}
				if ($vacation==false)
				{
					$content[self::$nm_index]['vacationnotice'] = $sel_options[self::$nm_index]['vacationnotice'] = '';
					$content[self::$nm_index]['vacationrange'] = $sel_options[self::$nm_index]['vacationrange'] = '';
				}
				//$zstarttime = microtime (true);
				$sel_options[self::$nm_index]['foldertree'] = $this->getFolderTree('initial',null,!$this->mail_bo->mailPreferences['showAllFoldersInFolderPane']);
				//$zendtime = microtime(true) - $zstarttime;
				//error_log(__METHOD__.__LINE__. " time used: ".$zendtime);
				$content[self::$nm_index]['selectedFolder'] = $this->mail_bo->profileID.self::$delimiter.(!empty($this->mail_bo->sessionData['mailbox'])?$this->mail_bo->sessionData['mailbox']:'INBOX');
				// since we are connected,(and selected the folder) we check for capabilities SUPPORTS_KEYWORDS to eventually add the keyword filters
				if ( $this->mail_bo->icServer->hasCapability('SUPPORTS_KEYWORDS'))
				{
					$this->statusTypes = array_merge($this->statusTypes,array(
						'keyword1'	=> 'important',//lang('important'),
						'keyword2'	=> 'job',	//lang('job'),
						'keyword3'	=> 'personal',//lang('personal'),
						'keyword4'	=> 'to do',	//lang('to do'),
						'keyword5'	=> 'later',	//lang('later'),
					));
				}
				else
				{
					$keywords = array('keyword1','keyword2','keyword3','keyword4','keyword5');
					foreach($keywords as &$k)
					{
						if (array_key_exists($k,$this->statusTypes)) unset($this->statusTypes[$k]);
					}
				}

				if (!isset($content[self::$nm_index]['foldertree'])) $content[self::$nm_index]['foldertree'] = $this->mail_bo->profileID.self::$delimiter.'INBOX';
				if (!isset($content[self::$nm_index]['selectedFolder'])) $content[self::$nm_index]['selectedFolder'] = $this->mail_bo->profileID.self::$delimiter.'INBOX';

				$content[self::$nm_index]['foldertree'] = $content[self::$nm_index]['selectedFolder'];

				if (is_null(emailadmin_imapbase::$supportsORinQuery) || !isset(emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID]))
				{
					emailadmin_imapbase::$supportsORinQuery = egw_cache::getCache(egw_cache::INSTANCE, 'email', 'supportsORinQuery'.trim($GLOBALS['egw_info']['user']['account_id']), null, array(), 60*60*10);
					if (!isset(emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID])) emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID]=true;
				}
				if (!emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID]) unset($this->searchTypes['quick']);
				$sel_options['filter2'] = $this->searchTypes;
				$sel_options['filter'] = $this->statusTypes;

				$etpl = new etemplate_new('mail.index');
				$group=0;
				// Set tree actions
				$tree_actions = array(
					'drop_move_mail' => array(
						'type' => 'drop',
						'acceptedTypes' => 'mail',
						'icon' => 'move',
						'caption' => 'Move to',
						'onExecute' => 'javaScript:app.mail.mail_move'
					),
					'drop_copy_mail' => array(
						'type' => 'drop',
						'acceptedTypes' => 'mail',
						'icon' => 'copy',
						'caption' => 'Copy to',
						'onExecute' => 'javaScript:app.mail.mail_copy'
					),
					'drop_cancel' => array(
						'icon' => 'cancel',
						'caption' => 'Cancel',
						'acceptedTypes' => 'mail',
						'type' => 'drop',
					),
					'drop_move_folder' => array(
						'caption' => 'Move folder',
						'hideOnDisabled' => true,
						'type' => 'drop',
						'acceptedTypes' => 'mailFolder',
						'onExecute' => 'javaScript:app.mail.mail_MoveFolder'
					),
					// Tree does support this one
					'add' => array(
						'caption' => 'Add Folder',
						'onExecute' => 'javaScript:app.mail.mail_AddFolder',
						'enabled'	=> 'javaScript:app.mail.mail_CheckFolderNoSelect',
					),
					'edit' => array(
						'caption' => 'Rename Folder',
						'onExecute' => 'javaScript:app.mail.mail_RenameFolder',
						'enabled'	=> 'javaScript:app.mail.mail_CheckFolderNoSelect',
					),
					'move' => array(
						'caption' => 'Move Folder',
						'type' => 'drag',
						'enabled'	=> 'javaScript:app.mail.mail_CheckFolderNoSelect',
						'dragType' => array('mailFolder')
					),
					'delete' => array(
						'caption' => 'Delete Folder',
						'enabled'	=> 'javaScript:app.mail.mail_CheckFolderNoSelect',
						'onExecute' => 'javaScript:app.mail.mail_DeleteFolder',
					),
					'subscribe' => array(
						'caption' => 'Subscribe folder ...',
						//'icon' => 'configure',
						'enabled'	=> 'javaScript:app.mail.mail_CheckFolderNoSelect',
						'onExecute' => 'javaScript:app.mail.edit_subscribe',
					),
					'unsubscribe' => array(
						'caption' => 'Unsubscribe folder',
						'enabled'	=> 'javaScript:app.mail.mail_CheckFolderNoSelect',
						'onExecute' => 'javaScript:app.mail.unsubscribe_folder',
					),
					'sieve' => array(
						'caption' => 'Mail filter',
						'onExecute' => 'javaScript:app.mail.edit_sieve',
						'group'	=> ++$group,	// new group for filter
						'enabled'	=> 'javaScript:app.mail.sieve_enabled',
						'icon' => 'etemplate/fav_filter',	// funnel
					),
					'vacation' => array(
						'caption' => 'Vacation notice',
						'icon' => 'mail/navbar',	// mail as in admin
						'onExecute' => 'javaScript:app.mail.edit_vacation',
						'group'	=> $group,
						'enabled'	=> 'javaScript:app.mail.sieve_enabled',
					),
					'edit_account' => array(
						'caption' => 'Edit account ...',
						'icon' => 'configure',
						'onExecute' => 'javaScript:app.mail.edit_account',
						'group'	=> ++$group,	// new groups for account & acl
					),
					'edit_acl'	=> array(
						'caption' => 'Edit folder ACL ...',
						'icon'	=> 'lock',
						'enabled'	=> 'javaScript:app.mail.acl_enabled',
						'onExecute' => 'javaScript:app.mail.edit_acl',
						'group'	=> $group,
					),
				);
				// the preference prefaskformove controls actually if there is a popup on target or not
				// if there are multiple options there is a popup on target, 0 for prefaskformove means
				// that only move is available; 1 stands for move and cancel; 2 (should be the default if
				// not set); so we are assuming this, when not set
				if (isset($this->mail_bo->mailPreferences['prefaskformove']))
				{
					switch ($this->mail_bo->mailPreferences['prefaskformove'])
					{
						case 0:
							unset($tree_actions['drop_copy_mail']);
							unset($tree_actions['drop_cancel']);
							break;
						case 1:
							unset($tree_actions['drop_copy_mail']);
							break;
						default:
							// everything is fine
					}
				}
				//error_log(__METHOD__.__LINE__.' showAllFoldersInFolderPane:'.$this->mail_bo->mailPreferences['showAllFoldersInFolderPane'].'/'.$GLOBALS['egw_info']['user']['preferences']['mail']['showAllFoldersInFolderPane']);
				if ($this->mail_bo->mailPreferences['showAllFoldersInFolderPane'])
				{
					unset($tree_actions['subscribe']);
					unset($tree_actions['unsubscribe']);
				}
				++$group;	// put delete in own group
				switch($GLOBALS['egw_info']['user']['preferences']['mail']['deleteOptions'])
				{
					case 'move_to_trash':
						$tree_actions['empty_trash'] = array(
							'caption' => 'empty trash',
							'icon' => 'dhtmlxtree/MailFolderTrash',
							'onExecute' => 'javaScript:app.mail.mail_emptyTrash',
							'group'	=> $group,
						);
						break;
					case 'mark_as_deleted':
						$tree_actions['compress_folder'] = array(
							'caption' => 'compress folder',
							'icon' => 'dhtmlxtree/MailFolderTrash',
							'onExecute' => 'javaScript:app.mail.mail_compressFolder',
							'group'	=> $group,
						);
						break;
				}

				// enforce global (group-specific) ACL
				if (!mail_hooks::access('aclmanagement'))
				{
					unset($tree_actions['edit_acl']);
				}
				if (!mail_hooks::access('editfilterrules'))
				{
					unset($tree_actions['sieve']);
				}
				if (!mail_hooks::access('absentnotice'))
				{
					unset($tree_actions['vacation']);
				}
				if (!mail_hooks::access('managefolders'))
				{
					unset($tree_actions['add']);
					unset($tree_actions['move']);
					unset($tree_actions['delete']);
					// manage folders should not affect the ability to subscribe or unsubscribe
					// to existing folders, it should only affect add/rename/move/delete
				}

				$etpl->setElementAttribute(self::$nm_index.'[foldertree]','actions', $tree_actions);

				// sending preview toolbar actions
				$etpl->setElementAttribute('mailPreview[toolbar]', 'actions', $this->get_toolbar_actions());

				if (empty($content[self::$nm_index]['filter2']) || empty($content[self::$nm_index]['search'])) $content[self::$nm_index]['filter2']=(emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID]?'quick':'subject');
				$readonlys = $preserv = array();
				if (mail_bo::$debugTimes) mail_bo::logRunTimes($starttime,null,'',__METHOD__.__LINE__);
		}
		catch (Exception $e)
		{
			self::callWizard($e->getMessage());
		}
		return $etpl->exec('mail.mail_ui.index',$content,$sel_options,$readonlys,$preserv);
	}

	/**
	 * Ajax callback to subscribe / unsubscribe a Mailbox of an account
	 *
	 * @param {int} $_acc_id profile Id of selected mailbox
	 * @param {string} $_folderName name of mailbox needs to be subcribe or unsubscribed
	 * @param {boolean} $_status set true for subscribe and false to unsubscribe
	 */
	public function ajax_foldersubscription($_acc_id,$_folderName, $_status)
	{
		//Change the mail_bo object to related profileId
		$this->changeProfile($_acc_id);

		if($this->mail_bo->subscribe($_folderName, $_status))
		{
			$this->mail_bo->resetFolderObjectCache($_acc_id);
			$this->ajax_reloadNode($_acc_id,!$this->mail_bo->mailPreferences['showAllFoldersInFolderPane']);
		}
		else
		{
			error_log(__METHOD__.__LINE__."()". lang('Folder %1 %2 failed!',$_folderName,$_status?'subscribed':'unsubscribed'));
		}
	}

	/**
	 * Ajax callback to fetch folders for given profile
	 *
	 * We currently load all folders of a given profile, tree can also load parts of a tree.
	 *
	 * @param string $_nodeID if of node whos children are requested
	 * @param boolean $_subscribedOnly flag to tell wether to fetch all or only subscribed (default)
	 */
	public function ajax_foldertree($_nodeID = null,$_subscribedOnly=null)
	{
		//error_log(__METHOD__.__LINE__.':'.$_nodeID.'->'.$_subscribedOnly);
		$nodeID = $_GET['id'];
		if (!is_null($_nodeID)) $nodeID = $_nodeID;
		$subscribedOnly = (bool)(!is_null($_subscribedOnly)?$_subscribedOnly:!$this->mail_bo->mailPreferences['showAllFoldersInFolderPane']);
		$fetchCounters = !is_null($_nodeID);
		list($_profileID,$_folderName) = explode(self::$delimiter,$nodeID,2);
		unset($_profileID);
		if (!empty($_folderName)) $fetchCounters = true;
		//error_log(__METHOD__.__LINE__.':'.$nodeID.'->'.array2string($fetchCounters));
		$data = $this->getFolderTree($fetchCounters, $nodeID, $subscribedOnly,true,true,false);
		//error_log(__METHOD__.__LINE__.':'.$nodeID.'->'.array2string($data));
		if (!is_null($_nodeID)) return $data;
		etemplate_widget_tree::send_quote_json($data);
	}

	/**
	 * getFolderTree, get folders from server and prepare the folder tree
	 * @param mixed bool/string $_fetchCounters, wether to fetch extended information on folders
	 *			if set to initial, only for initial level of seen (unfolded) folders
	 * @param string $_nodeID nodeID to fetch and return
	 * @param boolean $_subscribedOnly flag to tell wether to fetch all or only subscribed (default)
	 * @param boolean $_returnNodeOnly only effective if $_nodeID is set, and $_nodeID is_nummeric
	 * @param boolean _useCacheIfPossible  - if set to false cache will be ignored and reinitialized
	 * @param boolean $_popWizard Check if getFoldertree is called via open account (TRUE) or via tree interaction (FALSE), to control wizard popup
	 * @return array something like that: array('id'=>0,
	 * 		'item'=>array(
	 *			'text'=>'INBOX',
	 *			'tooltip'=>'INBOX'.' '.lang('(not connected)'),
	 *			'im0'=>'kfm_home.png'
	 *			'item'=>array($MORE_ITEMS)
	 *		)
	 *	);
	 */
	function getFolderTree($_fetchCounters=false, $_nodeID=null, $_subscribedOnly=true, $_returnNodeOnly=true, $_useCacheIfPossible=true, $_popWizard=true)
	{
		if (mail_bo::$debugTimes) $starttime = microtime (true);
		if (!is_null($_nodeID) && $_nodeID !=0)
		{
			list($_profileID,$_folderName) = explode(self::$delimiter,$_nodeID,2);
			unset($_folderName);
			if (is_numeric($_profileID))
			{
				if ($_profileID && $_profileID != $this->mail_bo->profileID)
				{
					//error_log(__METHOD__.__LINE__.' change Profile to ->'.$_profileID);
					try
					{
						$this->changeProfile($_profileID);
					}
					catch (Exception $e)
					{
						$out = array('id' => $_profileID);
						$oA = array('id' => $_profileID.self::$delimiter.'INBOX',
							'text' => $e->getMessage(),
							'tooltip' => $e->getMessage(),
							'im0' => "folderNoSelectClosed.gif",
							'im1' => "folderNoSelectOpen.gif",
							'im2' => "folderNoSelectClosed.gif",
							'path'=> array($_profileID),
							'parent' => ''
						);
						$this->setOutStructure($oA, $out, self::$delimiter);
						return ($out?$out:array('id'=>0, 'item'=>array('text'=>'INBOX','tooltip'=>'INBOX'.' '.lang('(not connected)'),'im0'=>'kfm_home.png')));
					}
				}
			}
		}
		//$starttime = microtime(true);
		$c = 0;
		try
		{
			$folderObjects = $this->mail_bo->getFolderObjects($_subscribedOnly,false,false,$_useCacheIfPossible);
			//$endtime = microtime(true) - $starttime;
			//error_log(__METHOD__.__LINE__.' Fetching folderObjects took: '.$endtime);
			$trashFolder = $this->mail_bo->getTrashFolder();
			$templateFolder = $this->mail_bo->getTemplateFolder();
			$draftFolder = $this->mail_bo->getDraftFolder();
			$sentFolder = $this->mail_bo->getSentFolder();
			$userDefinedFunctionFolders = array();
			if (isset($trashFolder) && $trashFolder != 'none') $userDefinedFunctionFolders['Trash'] = $trashFolder;
			if (isset($sentFolder) && $sentFolder != 'none') $userDefinedFunctionFolders['Sent'] = $sentFolder;
			if (isset($draftFolder) && $draftFolder != 'none') $userDefinedFunctionFolders['Drafts'] = $draftFolder;
			if (isset($templateFolder) && $templateFolder != 'none') $userDefinedFunctionFolders['Templates'] = $templateFolder;
		}
		catch (Exception $e)
		{
			error_log(__LINE__.': '.__METHOD__."() ".$e->getMessage());
			$folderObjects=array();
			if ($_popWizard)
			{
				self::callWizard($e->getMessage(), false);
			}
			$c = 1;
		}

		$out = array('id' => 0);

		//$starttime = microtime(true);
		foreach(emailadmin_account::search($only_current_user=true, false) as $acc_id => $accountObj)
		{
			if ($_profileID && $acc_id != $_profileID)
			{
				//error_log(__METHOD__.__LINE__.' Fetching accounts '."  $acc_id != $_profileID ".'->'.$identity_name);
				continue;
			}
			//error_log(__METHOD__.__LINE__.array2string($accountObj));
			if (!$accountObj->is_imap())
			{
				// not to be used for IMAP Foldertree, as there is no Imap host
				continue;
			}
			$identity_name = emailadmin_account::identity_name($accountObj);
			$oA = array('id' => $acc_id,
				'text' => str_replace(array('<','>'),array('[',']'),$identity_name),// as angle brackets are quoted, display in Javascript messages when used is ugly, so use square brackets instead
				'tooltip' => '('.$acc_id.') '.htmlspecialchars_decode($identity_name),
				'im0' => 'thunderbird.png',
				'im1' => 'thunderbird.png',
				'im2' => 'thunderbird.png',
				'path'=> array($acc_id),
				'child'=> (int)($acc_id != $_profileID || $folderObjects), // dynamic loading on unfold
				'parent' => '',
				// mark on account if Sieve is enabled
				'data' => array('sieve' => $accountObj->acc_sieve_enabled),
			);
			$this->setOutStructure($oA, $out, self::$delimiter);

			// create a fake INBOX folder showing connection error (necessary that client UI unlocks tree!)
			if ($e && $acc_id == $_profileID && !$folderObjects)
			{
				$oA = array(
					'id' => $acc_id.self::$delimiter.'INBOX',
					'text' => lang($e->getMessage()),
					'tooltip' => '('.$acc_id.') '.$e->getMessage(),
					'im0' => "folderNoSelectClosed.gif",
					'im1' => "folderNoSelectOpen.gif",
					'im2' => "folderNoSelectClosed.gif",
					'path'=> array($acc_id, 'INBOX'),
					'parent' => $acc_id,
				);
				$this->setOutStructure($oA, $out, self::$delimiter);
			}
		}
		//$endtime = microtime(true) - $starttime;

		if (!empty($folderObjects))
		{
			$delimiter = $this->mail_bo->getHierarchyDelimiter();
			$cmb = $this->mail_bo->icServer->getCurrentMailbox();
			$cmblevels = explode($delimiter,$cmb);
			$cmblevelsCt = count($cmblevels);
		}
		//error_log(__METHOD__.__LINE__.function_backtrace());
		foreach($folderObjects as $key => $obj)
		{
			//error_log(__METHOD__.__LINE__.array2string($key));
			$levels = explode($delimiter,$key);
			$levelCt = count($levels);
			$fetchCounters = (bool)$_fetchCounters;
			if ($_fetchCounters==='initial')
			{
				if ($levelCt>$cmblevelsCt+1) $fetchCounters=false;
			}
			//error_log(__METHOD__.__LINE__.' fc:'.$fetchCounters.'/'.$_fetchCounters.'('.$levelCt.'/'.$cmblevelsCt.')'.' for:'.array2string($key));
			$fS = $this->mail_bo->getFolderStatus($key,false,($fetchCounters?false:true),false);
			//error_log(__METHOD__.__LINE__.'Object:'.array2string($obj));
			//error_log(__METHOD__.__LINE__.'Status:'.array2string($fS));
			//error_log(__METHOD__.__LINE__."-------------------------");
			$fFP = $folderParts = explode($obj->delimiter, $key);
			if (in_array($key,$userDefinedFunctionFolders)) $obj->shortDisplayName = lang($obj->shortDisplayName);
			//get rightmost folderpart
			array_pop($folderParts);

			// the rest of the array is the name of the parent
			$parentName = implode((array)$folderParts,$obj->delimiter);
			$parentName = $this->mail_bo->profileID.self::$delimiter.$parentName;
			$oA =array('text'=> $obj->shortDisplayName, 'tooltip'=> $obj->displayName);
			array_unshift($fFP,$this->mail_bo->profileID);
			$oA['path'] = $fFP;
			$path = $key;
			if ($path=='INBOX')
			{
				$oA['im0'] = $oA['im1']= $oA['im2'] = "kfm_home.png";
				// mark on inbox if ACL is supported
				$oA['data'] = array('acl' => $this->mail_bo->icServer->queryCapability('ACL'));
			}
			elseif (in_array($obj->shortFolderName,mail_bo::$autoFolders))
			{
				$oA['text'] = lang($oA['text']);

				$oA['im0'] = $oA['im1']= $oA['im2'] = "MailFolder".$obj->shortFolderName.".png";
			}
			elseif (in_array($key,$userDefinedFunctionFolders))
			{
				$_key = array_search($key,$userDefinedFunctionFolders);
				$oA['im0'] = $oA['im1']= $oA['im2'] = "MailFolder".$_key.".png";
			}
			else
			{
				$oA['im0'] = "MailFolderPlain.png"; // one Level
				$oA['im1'] = "folderOpen.gif";
				$oA['im2'] = "MailFolderClosed.png"; // has Children
			}
			if ($fS['unseen'])
			{
				$oA['text'] = $oA['text'].' ('.$fS['unseen'].')';
				$oA['style'] = 'font-weight: bold';
			}
			$path = $this->mail_bo->profileID.self::$delimiter.$key;
			$oA['id'] = $path; // ID holds the PATH
			if (!empty($fS['attributes']) && stripos(array2string($fS['attributes']),'\noselect')!== false)
			{
				$oA['im0'] = "folderNoSelectClosed.gif"; // one Level
				$oA['im1'] = "folderNoSelectOpen.gif";
				$oA['im2'] = "folderNoSelectClosed.gif"; // has Children
			}
			if (!empty($fS['attributes']) && stripos(array2string($fS['attributes']),'\hasnochildren')=== false)
			{
				$oA['child']=1; // translates to: hasChildren -> dynamicLoading
			}
			$oA['parent'] = $parentName;

			$this->setOutStructure($oA,$out,$obj->delimiter);
			$c++;
		}
		if (!is_null($_nodeID) && $_nodeID !=0 && $_returnNodeOnly==true)
		{
			$node = self::findNode($out,$_nodeID);
			//error_log(__METHOD__.__LINE__.':'.$_nodeID.'->'.array2string($node));
			if (mail_bo::$debugTimes) mail_bo::logRunTimes($starttime,null,'return subtree for:'.$_nodeID,__METHOD__.__LINE__);
			return $node;
		}
		if (mail_bo::$debugTimes) mail_bo::logRunTimes($starttime,null,function_backtrace(),__METHOD__.__LINE__);
		return ($c?$out:array('id'=>0, 'item'=>array('text'=>'INBOX','tooltip'=>'INBOX'.' '.lang('(not connected)'),'im0'=>'kfm_home.png')));
	}

	/**
	 * findNode - helper function to return only a branch of the tree
	 *
	 * @param array $_out out array (to be searched)
	 * @param string $_nodeID node to search for
	 * @param boolean $childElements return node itself, or only its child items
	 * @return array structured subtree
	 */
	static function findNode($_out, $_nodeID, $childElements = false)
	{
		foreach($_out['item'] as $node)
		{
			if (strcmp($node['id'],$_nodeID)===0)
			{
				//error_log(__METHOD__.__LINE__.':'.$_nodeID.'->'.$node['id']);
				return ($childElements?$node['item']:$node);
			}
			elseif (is_array($node['item']) && strncmp($node['id'],$_nodeID,strlen($node['id']))===0 && strlen($_nodeID)>strlen($node['id']))
			{
				//error_log(__METHOD__.__LINE__.' descend into '.$node['id']);
				return self::findNode($node,$_nodeID,$childElements);
			}
		}
	}

	/**
	 * setOutStructure - helper function to transform the folderObjectList to dhtmlXTreeObject requirements
	 *
	 * @param array $data data to be processed
	 * @param array &$out, out array
	 * @param string $del needed as glue for parent/child operation / comparsion
	 * @param boolean $createMissingParents a missing parent, instead of throwing an exception
	 * @return void
	 */
	function setOutStructure($data, &$out, $del='.', $createMissingParents=true)
	{
		//error_log(__METHOD__."(".array2string($data).', '.array2string($out).", '$del')");
		$components = $data['path'];
		array_pop($components);	// remove own name

		$insert = &$out;
		$parents = array();
		foreach($components as $component)
		{
			if (count($parents)>1)
			{
				$helper = array_slice($parents,1,null,true);
				$parent = $parents[0].self::$delimiter.implode($del, $helper);
				if ($parent) $parent .= $del;
			}
			else
			{
				$parent = implode(self::$delimiter, $parents);
				if ($parent) $parent .= self::$delimiter;
			}

			if (!is_array($insert) || !isset($insert['item']))
			{
				// throwing an exeption here seems to be unrecoverable, even if the cause is a something that can be handeled by the mailserver
				error_log(__METHOD__.':'.__LINE__." id=$data[id]: Parent '$parent' of '$component' not found!");
				break;
			}
			foreach($insert['item'] as &$item)
			{
				if ($item['id'] == $parent.$component)
				{
					$insert =& $item;
					break;
				}
			}
			if ($item['id'] != $parent.$component)
			{
				if ($createMissingParents)
				{
					unset($item);
					$item = array('id' => $parent.$component, 'text' => $component, 'im0' => "folderNoSelectClosed.gif",'im1' => "folderNoSelectOpen.gif",'im2' => "folderNoSelectClosed.gif",'tooltip' => lang('no access'));
					$insert['item'][] =& $item;
					$insert =& $item;
				}
				else
				{
					throw new egw_exception_assertion_failed(__METHOD__.':'.__LINE__.": id=$data[id]: Parent '$parent' '$component' not found!");
				}
			}
			$parents[] = $component;
		}
		unset($data['path']);
		$insert['item'][] = $data;
		//error_log(__METHOD__."() leaving with out=".array2string($out));
	}

	/**
	 * Get actions / context menu for index
	 *
	 * Changes here, require to log out, as $content[self::$nm_index] get stored in session!
	 * @return array see nextmatch_widget::egw_actions()
	 */
	private function get_actions()
	{
		static $accArray=array(); // buffer identity names on single request
		// duplicated from mail_hooks
		static $deleteOptions = array(
			'move_to_trash'		=> 'move to trash',
			'mark_as_deleted'	=> 'mark as deleted',
			'remove_immediately' =>	'remove immediately',
		);
		// todo: real hierarchical folder list
		$lastFolderUsedForMove = null;
		$moveactions = array();
		$lastFoldersUsedForMoveCont = egw_cache::getCache(egw_cache::INSTANCE,'email','lastFolderUsedForMove'.trim($GLOBALS['egw_info']['user']['account_id']),null,array(),$expiration=60*60*1);
		//error_log(__METHOD__.__LINE__." StoredFolders->".array2string($lastFoldersUsedForMoveCont));
		//error_log(__METHOD__.__LINE__.' ProfileId:'.$this->mail_bo->profileID." StoredFolders->(".count($lastFoldersUsedForMoveCont[$this->mail_bo->profileID]).") ".array2string($lastFoldersUsedForMoveCont[$this->mail_bo->profileID]));
		if (is_null($accArray))
		{
			foreach(emailadmin_account::search($only_current_user=true, false) as $acc_id => $accountObj)
			{
				//error_log(__METHOD__.__LINE__.array2string($accountObj));
				if (!$accountObj->is_imap())
				{
					// not to be used for IMAP Foldertree, as there is no Imap host
					continue;
				}
				$identity_name = emailadmin_account::identity_name($accountObj);
				$accArray[$acc_id] = str_replace(array('<','>'),array('[',']'),$identity_name);// as angle brackets are quoted, display in Javascript messages when used is ugly, so use square brackets instead
			}
		}
		if (!is_array($lastFoldersUsedForMoveCont)) $lastFoldersUsedForMoveCont=array();
		foreach ($lastFoldersUsedForMoveCont as $pid => $info)
		{
			if ($this->mail_bo->profileID==$pid && isset($lastFoldersUsedForMoveCont[$this->mail_bo->profileID]))
			{
				$_folder = $this->mail_bo->icServer->getCurrentMailbox();
				//error_log(__METHOD__.__LINE__.' '.$_folder."<->".$lastFoldersUsedForMoveCont[$this->mail_bo->profileID].function_backtrace());
				$counter =1;
				foreach ($lastFoldersUsedForMoveCont[$this->mail_bo->profileID] as $i => $lastFolderUsedForMoveCont)
				{
					$moveaction = 'move_';
					if ($_folder!=$i)
					{
						$moveaction .= $lastFolderUsedForMoveCont;

						if ($this->mail_bo->folderExists($i)) // only 4 entries per mailaccount.Control this on setting the buffered folders
						{
							$fS['profileID'] = $this->mail_bo->profileID;
							$fS['profileName'] = $accArray[$this->mail_bo->profileID];
							$fS['shortDisplayName'] = $i;
							$moveactions[$moveaction] = $fS;
							$counter ++;
						}
						else
						{
							unset($lastFoldersUsedForMoveCont[$this->mail_bo->profileID][$i]);
						}
						//error_log(array2string($moveactions[$moveaction]));
					}
				}
			}
			elseif ($this->mail_bo->profileID!=$pid && isset($lastFoldersUsedForMoveCont[$pid]) && !empty($lastFoldersUsedForMoveCont[$pid]))
			{
				$counter =1;
				foreach ($lastFoldersUsedForMoveCont[$pid] as $i => $lastFolderUsedForMoveCont)
				{
					//error_log(__METHOD__.__LINE__."$i => $lastFolderUsedForMoveCont");
					if (!empty($lastFolderUsedForMoveCont)) // only 4 entries per mailaccount.Control this on setting the buffered folders
					{
						$moveaction = 'move_';
						$fS = array();
						$fS['profileID'] = $pid;
						$fS['profileName'] = $accArray[$pid];
						$fS['shortDisplayName'] = $i;
						$moveactions[$moveaction] = $fS;
						$counter ++;
					}
				}
			}
		}
		egw_cache::setCache(egw_cache::INSTANCE,'email','lastFolderUsedForMove'.trim($GLOBALS['egw_info']['user']['account_id']),$lastFoldersUsedForMoveCont, $expiration=60*60*1);
		$group = 0;
		$actions =  array(
			'open' => array(
				'caption' => lang('Open'),
				'icon' => 'view',
				'group' => ++$group,
				'onExecute' => 'javaScript:app.mail.mail_open',
				'allowOnMultiple' => false,
				'default' => true,
			),
			'reply' => array(
				'caption' => 'Reply',
				'icon' => 'mail_reply',
				'group' => ++$group,
				'onExecute' => 'javaScript:app.mail.mail_compose',
				'allowOnMultiple' => false,
				'toolbarDefault' => true
			),
			'reply_all' => array(
				'caption' => 'Reply All',
				'icon' => 'mail_replyall',
				'group' => $group,
				'onExecute' => 'javaScript:app.mail.mail_compose',
				'allowOnMultiple' => false,
			),
			'forward' => array(
				'caption' => 'Forward',
				'icon' => 'mail_forward',
				'group' => $group,
				'children' => array(
					'forwardinline' => array(
						'caption' => 'Inline',
						'icon' => 'mail_forward',
						'group' => $group,
						'hint' => 'forward inline',
						'onExecute' => 'javaScript:app.mail.mail_compose',
						'allowOnMultiple' => false,
						'toolbarDefault' => true
					),
					'forwardasattach' => array(
						'caption' => 'Attachment',
						'hint' => 'forward as attachment',
						'icon' => 'mail_forward',
						'group' => $group,
						'onExecute' => 'javaScript:app.mail.mail_compose',
					),
				),
			),
			'composeasnew' => array(
				'caption' => 'Compose',
				'icon' => 'new',
				'hint' => 'Compose as new',
				'group' => $group,
				'onExecute' => 'javaScript:app.mail.mail_compose',
				'allowOnMultiple' => false,
			)
		);
		$macounter=0;
		if (!empty($moveactions))
		{
			//error_log(__METHOD__.__LINE__.array2string($moveactions));
			$children=array();
			$pID=0;
			foreach ($moveactions as $moveaction => $lastFolderUsedForMove)
			{
				$group = ($pID != $lastFolderUsedForMove['profileID'] && $macounter>0? $group+1 : $group);
				//error_log(__METHOD__.__LINE__."#$pID != ".$lastFolderUsedForMove['profileID']."#".$macounter.'#'.$groupCounter.'#');
				$children = array_merge($children,
					array(
						$moveaction => array(
							'caption' => (!empty($lastFolderUsedForMove['profileName'])?$lastFolderUsedForMove['profileName']:'('.$lastFolderUsedForMove['profileID'].')').': '.(isset($lastFolderUsedForMove['shortDisplayName'])?$lastFolderUsedForMove['shortDisplayName']:''),
							'icon' => 'move',
							'group' => $group,
							'onExecute' => 'javaScript:app.mail.mail_move2folder',
							'allowOnMultiple' => true,
						)
					)
				);
				$pID = $lastFolderUsedForMove['profileID'];
				$macounter++;
			}
			$actions = array_merge($actions,array('moveto' =>
				array(
					'caption' => lang('Move selected to'),
					'icon' => 'move',
					'group' => $group++,
					'children' => $children,
					)
				)
			);

		}

		$actions = array_merge($actions,
			array(
				'infolog' => array(
					'caption' => 'InfoLog',
					'hint' => 'Save as InfoLog',
					'icon' => 'infolog/navbar',
					'group' => ++$group,
					'onExecute' => 'javaScript:app.mail.mail_infolog',
					'url' => 'menuaction=infolog.infolog_ui.import_mail',
					'popup' => egw_link::get_registry('infolog', 'add_popup'),
					'allowOnMultiple' => false,
					'toolbarDefault' => true
				),
				'tracker' => array(
					'caption' => 'Tracker',
					'hint' => 'Save as ticket',
					'group' => $group,
					'icon' => 'tracker/navbar',
					'onExecute' => 'javaScript:app.mail.mail_tracker',
					'url' => 'menuaction=tracker.tracker_ui.import_mail',
					'popup' => egw_link::get_registry('tracker', 'add_popup'),
					'allowOnMultiple' => false,
				),
				'print' => array(
					'caption' => 'Print',
					'group' => ++$group,
					'onExecute' => 'javaScript:app.mail.mail_print',
					'allowOnMultiple' => false,
				),
				'save' => array(
					'caption' => 'Save',
					'group' => $group,
					'icon' => 'fileexport',
					'children' => array(
						'save2disk' => array(
							'caption' => 'Save to disk',
							'hint' => 'Save message to disk',
							'group' => $group,
							'icon' => 'fileexport',
							'onExecute' => 'javaScript:app.mail.mail_save',
							'allowOnMultiple' => false,
						),
						'save2filemanager' => array(
							'caption' => 'Filemanager',
							'hint' => 'Save message to filemanager',
							'group' => $group,
							'icon' => 'filemanager/navbar',
							'onExecute' => 'javaScript:app.mail.mail_save2fm',
							'allowOnMultiple' => false,
						),
					),
				),
				'view' => array(
					'caption' => 'View',
					'group' => $group,
					'icon' => 'kmmsgread',
					'children' => array(
						'header' => array(
							'caption' => 'Header',
							'hint' => 'View header lines',
							'group' => $group,
							'icon' => 'kmmsgread',
							'onExecute' => 'javaScript:app.mail.mail_header',
							'allowOnMultiple' => false,
						),
						'mailsource' => array(
							'caption' => 'Source',
							'hint' => 'View full Mail Source',
							'group' => $group,
							'icon' => 'source',
							'onExecute' => 'javaScript:app.mail.mail_mailsource',
							'allowOnMultiple' => false,
						),
						'openastext' => array(
							'caption' => lang('Text mode'),
							'hint' => 'Open in Text mode',
							'group' => ++$group,
							'icon' => 'textmode',
							'onExecute' => 'javaScript:app.mail.mail_openAsText',
							'allowOnMultiple' => false,
						),
						'openashtml' => array(
							'caption' => lang('HTML mode'),
							'hint' => 'Open in HTML mode',
							'group' => $group,
							'icon' => 'htmlmode',
							'onExecute' => 'javaScript:app.mail.mail_openAsHtml',
							'allowOnMultiple' => false,
						),
					),
				),
				'mark' => array(
					'caption' => 'Set / Remove Flags',
					'icon' => 'read_small',
					'group' => ++$group,
					'children' => array(
						// icons used from http://creativecommons.org/licenses/by-sa/3.0/
						// Artist: Led24
						// Iconset Homepage: http://led24.de/iconset
						// License: CC Attribution 3.0
						'setLabel' => array(
							'caption' => 'Set / Remove Labels',
							'icon' => 'tag_message',
							'group' => ++$group,
							'children' => array(
								'unlabel' => array(
									'group' => ++$group,
									'caption' => "<font color='#ff0000'>".lang('remove all')."</font>",
									'icon' => 'mail_label',
									'onExecute' => 'javaScript:app.mail.mail_flag',
									'shortcut' => egw_keymanager::shortcut(egw_keymanager::_0, true, true),
								),
								'label1' => array(
									'group' => ++$group,
									'caption' => "<font color='#ff0000'>".lang('important')."</font>",
									'icon' => 'mail_label1',
									'onExecute' => 'javaScript:app.mail.mail_flag',
									'shortcut' => egw_keymanager::shortcut(egw_keymanager::_1, true, true),
								),
								'label2' => array(
									'group' => $group,
									'caption' => "<font color='#ff8000'>".lang('job')."</font>",
									'icon' => 'mail_label2',
									'onExecute' => 'javaScript:app.mail.mail_flag',
									'shortcut' => egw_keymanager::shortcut(egw_keymanager::_2, true, true),
								),
								'label3' => array(
									'group' => $group,
									'caption' => "<font color='#008000'>".lang('personal')."</font>",
									'icon' => 'mail_label3',
									'onExecute' => 'javaScript:app.mail.mail_flag',
									'shortcut' => egw_keymanager::shortcut(egw_keymanager::_3, true, true),
								),
								'label4' => array(
									'group' => $group,
									'caption' => "<font color='#0000ff'>".lang('to do')."</font>",
									'icon' => 'mail_label4',
									'onExecute' => 'javaScript:app.mail.mail_flag',
									'shortcut' => egw_keymanager::shortcut(egw_keymanager::_4, true, true),
								),
								'label5' => array(
									'group' => $group,
									'caption' => "<font color='#8000ff'>".lang('later')."</font>",
									'icon' => 'mail_label5',
									'onExecute' => 'javaScript:app.mail.mail_flag',
									'shortcut' => egw_keymanager::shortcut(egw_keymanager::_5, true, true),
								),
							),
						),
						// modified icons from http://creativecommons.org/licenses/by-sa/3.0/
						'flagged' => array(
							'group' => ++$group,
							'caption' => 'Flag / Unflag',
							'icon' => 'unread_flagged_small',
							'onExecute' => 'javaScript:app.mail.mail_flag',
							'hint' => 'Flag or Unflag a mail',
							'shortcut' => egw_keymanager::shortcut(egw_keymanager::F, true, true),
							'toolbarDefault' => true
						),
						'read' => array(
							'group' => $group,
							'caption' => 'Read / Unread',
							'icon' => 'read_small',
							'onExecute' => 'javaScript:app.mail.mail_flag',
							'shortcut' => egw_keymanager::shortcut(egw_keymanager::U, true, true),

						),
						'undelete' => array(
							'group' => $group,
							'caption' => 'Undelete',
							'icon' => 'revert',
							'onExecute' => 'javaScript:app.mail.mail_flag',
						),
					),
				),
				'delete' => array(
					'caption' => 'Delete',
					'hint' => $deleteOptions[$this->mail_bo->mailPreferences['deleteOptions']],
					'group' => ++$group,
					'onExecute' => 'javaScript:app.mail.mail_delete',
					'toolbarDefault' => true
				),
				'drag_mail' => array(
					'dragType' => array('mail','file'),
					'type' => 'drag',
					'onExecute' => 'javaScript:app.mail.mail_dragStart',
				)
			)
		);
		//error_log(__METHOD__.__LINE__.array2string(array_keys($actions)));
		// save as tracker, save as infolog, as this are actions that are either available for all, or not, we do that for all and not via css-class disabling
		if (!isset($GLOBALS['egw_info']['user']['apps']['infolog']))
		{
			unset($actions['infolog']);
		}
		if (!isset($GLOBALS['egw_info']['user']['apps']['tracker']))
		{
			unset($actions['tracker']);
		}
		// note this one is NOT a real CAPABILITY reported by the server, but added by selectMailbox
		if (!$this->mail_bo->icServer->hasCapability('SUPPORTS_KEYWORDS'))
		{
			unset($actions['mark']['children']['setLabel']);
			unset($actions['mark']['children']['unsetLabel']);
		}
		return $actions;
	}

	/**
	 * Callback to fetch the rows for the nextmatch widget
	 *
	 * @param array $query
	 * @param array &$rows
	 * @param array &$readonlys
	 */
	function get_rows($query,&$rows,&$readonlys)
	{
		unset($query['actions']);
		//error_log(__METHOD__.__LINE__.' SelectedFolder:'.$query['selectedFolder'].' Start:'.$query['start'].' NumRows:'.$query['num_rows'].array2string($query['order']).'->'.array2string($query['sort']));
		if (mail_bo::$debugTimes) $starttime = microtime(true);
		//$query['search'] is the phrase in the searchbox

		$this->mail_bo->restoreSessionData();
		$maxMessages = 50; // match the hardcoded setting for data retrieval as inital value
		if (isset($query['selectedFolder'])) $this->mail_bo->sessionData['mailbox']=$query['selectedFolder'];
		$this->mail_bo->saveSessionData();

		$sRToFetch = null;
		$_folderName=(!empty($query['selectedFolder'])?$query['selectedFolder']:$this->mail_bo->profileID.self::$delimiter.'INBOX');
		list($_profileID,$folderName) = explode(self::$delimiter,$_folderName,2);
		if (strpos($folderName,self::$delimiter)!==false)
		{
			list($app,$_profileID,$folderName) = explode(self::$delimiter,$_folderName,3);
			unset($app);
		}	
		if (is_numeric($_profileID))
		{
			if ($_profileID && $_profileID != $this->mail_bo->profileID)
			{
				//error_log(__METHOD__.__LINE__.' change Profile to ->'.$_profileID);
				try
				{
					$this->changeProfile($_profileID);
				}
				catch(Exception $e)
				{
					$rows=array();
					return 0;
				}
			}
			$_folderName = (!empty($folderName)?$folderName:'INBOX');
		}
		//save selected Folder to sessionData (mailbox)->currentFolder
		if (isset($query['selectedFolder'])) $this->mail_bo->sessionData['mailbox']=$_folderName;
		$toSchema = false;//decides to select list schema with column to selected (if false fromaddress is default)
		if ($this->mail_bo->folderExists($_folderName,true))
		{
			$toSchema = $this->mail_bo->isDraftFolder($_folderName)||$this->mail_bo->isSentFolder($_folderName)||$this->mail_bo->isTemplateFolder($_folderName);
		}
		else
		{
			error_log(__METHOD__.__LINE__.' Test on Folder:'.$_folderName.' failed; Using INBOX instead');
			$query['selectedFolder']=$this->mail_bo->sessionData['mailbox']=$_folderName='INBOX';
		}
		$this->mail_bo->saveSessionData();
		$rowsFetched['messages'] = null;
		$offset = $query['start']+1; // we always start with 1
		$maxMessages = $query['num_rows'];
		//error_log(__METHOD__.__LINE__.$query['order']);
		$sort = ($query['order']=='address'?($toSchema?'toaddress':'fromaddress'):$query['order']);
		if (!empty($query['search']))
		{
			if (is_null(emailadmin_imapbase::$supportsORinQuery) || !isset(emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID]))
			{
				emailadmin_imapbase::$supportsORinQuery = egw_cache::getCache(egw_cache::INSTANCE,'email','supportsORinQuery'.trim($GLOBALS['egw_info']['user']['account_id']), null, array(), 60*60*10);
				if (!isset(emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID]))
				{
					emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID]=true;
				}	
			}
			$filter = array(
				'filterName' => (emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID]?lang('quicksearch'):lang('subject')),
				'type' => ($query['filter2']?$query['filter2']:(emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID]?'quick':'subject')),
				'string' => $query['search'],
				'status' => 'any');
		}
		else
		{
			$filter = array();
		}
		if ($query['filter'])
		{
			$filter['status'] = $query['filter'];
		}
		$reverse = ($query['sort']=='ASC'?false:true);
		//error_log(__METHOD__.__LINE__.' maxMessages:'.$maxMessages.' Offset:'.$offset.' Filter:'.array2string($this->sessionData['messageFilter']));
		try
		{
			if ($maxMessages > 75)
			{
				$_sR = $this->mail_bo->getSortedList(
					$_folderName,
					$sort,
					$reverse,
					$filter,
					$rByUid=true
				);
				$rowsFetched['messages'] = $_sR['count'];
				$sR = $_sR['match']->ids;
				// if $sR is false, something failed fundamentally
				if($reverse === true) $sR = ($sR===false?array():array_reverse((array)$sR));
				$sR = array_slice((array)$sR,($offset==0?0:$offset-1),$maxMessages); // we need only $maxMessages of uids
				$sRToFetch = $sR;//array_slice($sR,0,50); // we fetch only the headers of a subset of the fetched uids
				//error_log(__METHOD__.__LINE__.' Rows fetched (UID only):'.count($sR).' Data:'.array2string($sR));
				$maxMessages = 75;
				$sortResultwH['header'] = array();
				if (count($sRToFetch)>0)
				{
					//error_log(__METHOD__.__LINE__.' Headers to fetch with UIDs:'.count($sRToFetch).' Data:'.array2string($sRToFetch));
					$sortResult = array();
					// fetch headers
					$sortResultwH = $this->mail_bo->getHeaders(
						$_folderName,
						$offset,
						$maxMessages,
						$sort,
						$reverse,
						$filter,
						$sRToFetch
					);
				}
			}
			else
			{
				$sortResult = array();
				// fetch headers
				$sortResultwH = $this->mail_bo->getHeaders(
					$_folderName,
					$offset,
					$maxMessages,
					$sort,
					$reverse,
					$filter
				);
				$rowsFetched['messages'] = $sortResultwH['info']['total'];
			}
		}
		catch (Exception $e)
		{
			$sortResultwH=array();
			$sR=array();
			self::callWizard($e->getMessage(), false);
		}
		if (is_array($sR) && count($sR)>0)
		{
			foreach ((array)$sR as $key => $v)
			{
				if (array_key_exists($key,(array)$sortResultwH['header'])==true)
				{
					$sortResult['header'][] = $sortResultwH['header'][$key];
				}
				else
				{
					if (!empty($v)) $sortResult['header'][] = array('uid'=>$v);
				}
			}
		}
		else
		{
			$sortResult = $sortResultwH;
		}
		$rowsFetched['rowsFetched'] = count($sortResult['header']);
		if (empty($rowsFetched['messages'])) $rowsFetched['messages'] = $rowsFetched['rowsFetched'];

		//error_log(__METHOD__.__LINE__.' Rows fetched:'.$rowsFetched.' Data:'.array2string($sortResult));
		$cols = array('row_id','uid','status','attachments','subject','address','toaddress','fromaddress','ccaddress','additionaltoaddress','date','size','modified');
		if ($GLOBALS['egw_info']['user']['preferences']['common']['select_mode']=='EGW_SELECTMODE_TOGGLE') unset($cols[0]);
		$rows = $this->header2gridelements($sortResult['header'],$cols, $_folderName, $folderType=$toSchema);
		//error_log(__METHOD__.__LINE__.array2string($rows));

		if (mail_bo::$debugTimes) mail_bo::logRunTimes($starttime,null,'Folder:'.$_folderName.' Start:'.$query['start'].' NumRows:'.$query['num_rows'],__METHOD__.__LINE__);
		if (stripos($_GET['menuaction'],'ajax_get_rows')!==false)
		{
			$response = egw_json_response::get();
			$response->call('app.mail.unlock_tree');
		}
		return $rowsFetched['messages'];
	}

	/**
	 * function createRowID - create a unique rowID for the grid
	 *
	 * @param string $_folderName used to ensure the uniqueness of the uid over all folders
	 * @param string $message_uid the message_Uid to be used for creating the rowID
	 * @param boolean $_prependApp to indicate that the app 'mail' is to be used for creating the rowID
	 * @return string - a colon separated string in the form [app:]accountID:profileID:folder:message_uid
	 */
	function createRowID($_folderName, $message_uid, $_prependApp=false)
	{
		return self::generateRowID($this->mail_bo->profileID, $_folderName, $message_uid, $_prependApp);
	}

	/**
	 * static function generateRowID - create a unique rowID for the grid
	 *
	 * @param integer $_profileID profile ID for the rowid to be used
	 * @param string $_folderName to ensure the uniqueness of the uid over all folders
	 * @param string $message_uid the message_Uid to be used for creating the rowID
	 * @param boolean $_prependApp to indicate that the app 'mail' is to be used for creating the rowID
	 * @return string - a colon separated string in the form [app:]accountID:profileID:folder:message_uid
	 */
	static function generateRowID($_profileID, $_folderName, $message_uid, $_prependApp=false)
	{
		return ($_prependApp?'mail'.self::$delimiter:'').trim($GLOBALS['egw_info']['user']['account_id']).self::$delimiter.$_profileID.self::$delimiter.base64_encode($_folderName).self::$delimiter.$message_uid;
	}

	/**
	 * function splitRowID - split the rowID into its parts
	 *
	 * @param string $_rowID string - a colon separated string in the form accountID:profileID:folder:message_uid
	 * @return array populated named result array (accountID,profileID,folder,msgUID)
	 */
	static function splitRowID($_rowID)
	{
		$res = explode(self::$delimiter,$_rowID);
		// as a rowID is perceeded by app::, should be mail!
		//error_log(__METHOD__.__LINE__.array2string($res).' [0] isInt:'.is_int($res[0]).' [0] isNumeric:'.is_numeric($res[0]).' [0] isString:'.is_string($res[0]).' Count:'.count($res));
		if (count($res)==4 && is_numeric($res[0]) )
		{
			// we have an own created rowID; prepend app=mail
			array_unshift($res,'mail');
		}
		return array('app'=>$res[0], 'accountID'=>$res[1], 'profileID'=>$res[2], 'folder'=>base64_decode($res[3]), 'msgUID'=>$res[4]);
	}

	/**
	 * Get actions for preview toolbar
	 *
	 * @return array
	 */
	function get_toolbar_actions()
	{
		$actions = $this->get_actions();
		$arrActions = array('composeasnew','reply','reply_all','forward','flagged','delete','print','infolog','tracker','save','view');
		foreach( $arrActions as &$act)
		{
			//error_log(__METHOD__.__LINE__.' '.$act.'->'.array2string($actions[$act]));
			switch ($act)
			{
				case 'forward':
					$actionsenabled[$act]=$actions[$act];
					break;
				case 'save':
					$actionsenabled[$act]=$actions[$act];

					break;
				case 'view':
					$actionsenabled[$act]=$actions[$act];
					break;
				case 'flagged':
					$actionsenabled[$act]= $actions['mark']['children'][$act];
					break;
				default:
					if (isset($actions[$act])) $actionsenabled[$act]=$actions[$act];
			}
		}
		unset($actionsenabled['drag_mail']);
		//error_log(array2string($actionsenabled['view']));
		unset($actionsenabled['view']['children']['openastext']);//not supported in preview
		unset($actionsenabled['view']['children']['openashtml']);//not supported in preview

		return $actionsenabled;
	}

	/**
	 * function header2gridelements - to populate the grid elements with the collected Data
	 *
	 * @param array $_headers headerdata to process
	 * @param array $cols cols to populate
	 * @param array $_folderName to ensure the uniqueness of the uid over all folders
	 * @param array $_folderType used to determine if we need to populate from/to
	 * @return array populated result array
	 */
	public function header2gridelements($_headers, $cols, $_folderName, $_folderType=0)
	{
		if (mail_bo::$debugTimes) $starttime = microtime(true);
		$rv = array();
		$i=0;
		foreach((array)$_headers as $header)
		{
			$i++;
			$data = array();
			//error_log(__METHOD__.array2string($header));
			$message_uid = $header['uid'];
			$data['uid'] = $message_uid;
			$data['row_id']=$this->createRowID($_folderName,$message_uid);

			$flags = "";
			if(!empty($header['recent'])) $flags .= "R";
			if(!empty($header['flagged'])) $flags .= "F";
			if(!empty($header['answered'])) $flags .= "A";
			if(!empty($header['forwarded'])) $flags .= "W";
			if(!empty($header['deleted'])) $flags .= "D";
			if(!empty($header['seen'])) $flags .= "S";
			if(!empty($header['label1'])) $flags .= "1";
			if(!empty($header['label2'])) $flags .= "2";
			if(!empty($header['label3'])) $flags .= "3";
			if(!empty($header['label4'])) $flags .= "4";
			if(!empty($header['label5'])) $flags .= "5";

			$data["status"] = "<span class=\"status_img\"></span>";
			//error_log(__METHOD__.array2string($header).' Flags:'.$flags);

			// the css for this row
			$is_recent=false;
			$css_styles = array("mail");
			if ($header['deleted']) {
				$css_styles[] = 'deleted';
			}
			if ($header['recent'] && !($header['deleted'] || $header['seen'] || $header['answered'] || $header['forwarded'])) {
				$css_styles[] = 'recent';
				$is_recent=true;
			}
			if ($header['priority'] < 3) {
				$css_styles[] = 'prio_high';
			}
			if ($header['flagged']) {
				$css_styles[] = 'flagged';
			}
			if (!$header['seen']) {
				$css_styles[] = 'unseen'; // different status image for recent // solved via css !important
			}
			if ($header['answered']) {
				$css_styles[] = 'replied';
			}
			if ($header['forwarded']) {
				$css_styles[] = 'forwarded';
			}
			if ($header['label1']) {
				$css_styles[] = 'labelone';
			}
			if ($header['label2']) {
				$css_styles[] = 'labeltwo';
			}
			if ($header['label3']) {
				$css_styles[] = 'labelthree';
			}
			if ($header['label4']) {
				$css_styles[] = 'labelfour';
			}
			if ($header['label5']) {
				$css_styles[] = 'labelfive';
			}

			//error_log(__METHOD__.array2string($css_styles));

			if (in_array("subject", $cols))
			{
				// filter out undisplayable characters
				$search = array('[\016]','[\017]',
					'[\020]','[\021]','[\022]','[\023]','[\024]','[\025]','[\026]','[\027]',
					'[\030]','[\031]','[\032]','[\033]','[\034]','[\035]','[\036]','[\037]');
				$replace = '';

				$header['subject'] = preg_replace($search,$replace,$header['subject']);
				// curly brackets get messed up by the template!

				if (!empty($header['subject'])) {
					// make the subject shorter if it is to long
					$subject = $header['subject'];
				} else {
					$subject = '('. lang('no subject') .')';
				}

				$data["subject"] = $subject; // the mailsubject
			}

			$imageTag = '';
			$imageHTMLBlock = '';
			//error_log(__METHOD__.__LINE__.array2string($header));
			if (in_array("attachments", $cols))
			{
				if($header['mimetype'] == 'multipart/mixed' ||
					$header['mimetype'] == 'multipart/signed' ||
					$header['mimetype'] == 'multipart/related' ||
					$header['mimetype'] == 'multipart/report' ||
					$header['mimetype'] == 'text/calendar' ||
					$header['mimetype'] == 'text/html' ||
					substr($header['mimetype'],0,11) == 'application' ||
					substr($header['mimetype'],0,5) == 'audio' ||
					substr($header['mimetype'],0,5) == 'video' ||
					$header['mimetype'] == 'multipart/alternative')
				{
					$image = html::image('mail','attach');
					$imageTag = '';
					$imageHTMLBlock = '';
					$datarowid = $this->createRowID($_folderName,$message_uid,true);
					$attachments = $header['attachments'];
					if (count($attachments)<1)
					{
						$image = '&nbsp;';
					}
					if (count($attachments)==1)
					{
						$imageHTMLBlock = self::createAttachmentBlock($attachments, $datarowid, $header['uid'],$_folderName);
						$imageTag = json_encode($attachments);
						$image = html::image('mail','attach',$attachments[0]['name'].(!empty($attachments[0]['mimeType'])?' ('.$attachments[0]['mimeType'].')':''));
					}
					if (count($attachments)>1)
					{
						$imageHTMLBlock = self::createAttachmentBlock($attachments, $datarowid, $header['uid'],$_folderName);
						$imageTag = json_encode($attachments);
						$image = html::image('mail','attach',lang('%1 attachments',count($attachments)));
					}

					$attachmentFlag = $image;
				} else {
					$attachmentFlag ='&nbsp;';
				}
				// show priority flag
				if ($header['priority'] < 3) {
					 $image = html::image('mail','prio_high');
				} elseif ($header['priority'] > 3) {
					$image = html::image('mail','prio_low');
				} else {
					$image = '';
				}
				// show a flag for flagged messages
				$imageflagged ='';
				if ($header['flagged'])
				{
					$imageflagged = html::image('mail','unread_flagged_small');
				}
				$data["attachments"] = $image.$attachmentFlag.$imageflagged; // icon for attachments available
			}

			// sent or draft or template folder -> to address
			if (in_array("toaddress", $cols))
			{
				// sent or drafts or template folder means foldertype > 0, use to address instead of from
				$data["toaddress"] = $header['to_address'];//mail_bo::htmlentities($header['to_address'],$this->charset);
			}

			if (in_array("additionaltoaddress", $cols))
			{
				$data['additionaltoaddress'] = $header['additional_to_addresses'];
			}
			//fromaddress
			if (in_array("fromaddress", $cols))
			{
				$data["fromaddress"] = $header['sender_address'];
			}
			if (in_array("ccaddress", $cols))
			{
				$data['ccaddress'] = $header['cc_addresses'];
			}
			if (in_array("date", $cols))
			{
				$data["date"] = $header['date'];
			}
			if (in_array("modified", $cols))
			{
				$data["modified"] = $header['internaldate'];
			}

			if (in_array("size", $cols))
				$data["size"] = $header['size']; /// size

			$data["class"] = implode(' ', $css_styles);
			//translate style-classes back to flags
			$data['flags'] = Array();
			if ($header['seen']) $data["flags"]['read'] = 'read';
			foreach ($css_styles as &$flag) {
				if ($flag!='mail')
				{
					if ($flag=='labelone') {$data["flags"]['label1'] = 'label1';}
					elseif ($flag=='labeltwo') {$data["flags"]['label2'] = 'label2';}
					elseif ($flag=='labelthree') {$data["flags"]['label3'] = 'label3';}
					elseif ($flag=='labelfour') {$data["flags"]['label4'] = 'label4';}
					elseif ($flag=='labelfive') {$data["flags"]['label5'] = 'label5';}
					elseif ($flag=='unseen') {unset($data["flags"]['read']);}
					else $data["flags"][$flag] = $flag;
				}
			}
			if ($header['disposition-notification-to']) $data['dispositionnotificationto'] = $header['disposition-notification-to'];
			if (($header['mdnsent']||$header['mdnnotsent']|$header['seen'])&&isset($data['dispositionnotificationto'])) unset($data['dispositionnotificationto']);
			$data['attachmentsPresent'] = $imageTag;
			$data['attachmentsBlock'] = $imageHTMLBlock;
			$data['address'] = ($_folderType?$data["toaddress"]:$data["fromaddress"]);
			$rv[] = $data;
			//error_log(__METHOD__.__LINE__.array2string($data));
		}
		if (mail_bo::$debugTimes) mail_bo::logRunTimes($starttime,null,'Folder:'.$_folderName,__METHOD__.__LINE__);

		// ToDo: call this ONLY if labels change
		etemplate_widget::setElementAttribute('toolbar', 'actions', $this->get_toolbar_actions());

		return $rv;
	}

	/**
	 * display messages header lines
	 *
	 * all params are passed as GET Parameters
	 */
	function displayHeader()
	{
		if(isset($_GET['id'])) $rowID	= $_GET['id'];
		if(isset($_GET['part'])) $partID = $_GET['part'];

		$hA = self::splitRowID($rowID);
		$uid = $hA['msgUID'];
		$mailbox = $hA['folder'];

		$this->mail_bo->reopen($mailbox);
		$rawheaders	= $this->mail_bo->getMessageRawHeader($uid, $partID);

		// add line breaks to $rawheaders
		$newRawHeaders = explode("\n",$rawheaders);
		reset($newRawHeaders);

		// reset $rawheaders
		$rawheaders 	= "";
		// create it new, with good line breaks
		reset($newRawHeaders);
		while(list($key,$value) = @each($newRawHeaders)) {
			$rawheaders .= wordwrap($value, 90, "\n     ");
		}

		$this->mail_bo->closeConnection();

		header('Content-type: text/html; charset=iso-8859-1');
		print '<pre>'. htmlspecialchars($rawheaders, ENT_NOQUOTES, 'iso-8859-1') .'</pre>';

	}

	/**
	 * display messages
	 * @param array $_requesteddata
	 * all params are passed as GET Parameters, but can be passed via ExecMethod2 as array too
	 */
	function displayMessage($_requesteddata = null)
	{
		if (!is_null($_requesteddata) && isset($_requesteddata['id']))
		{
			$rowID = $_requesteddata['id'];
		}
		$preventRedirect=false;
		if(isset($_GET['id'])) $rowID	= $_GET['id'];
		if(isset($_GET['part'])) $partID = $_GET['part'];
		if(isset($_GET['mode'])) $preventRedirect   = ($_GET['mode']=='display'?true:false);
		$htmlOptions = $this->mail_bo->htmlOptions;
		if (!empty($_GET['tryastext'])) $htmlOptions  = "only_if_no_text";
		if (!empty($_GET['tryashtml'])) $htmlOptions  = "always_display";

		$hA = self::splitRowID($rowID);
		$uid = $hA['msgUID'];
		$mailbox = $hA['folder'];
		//error_log(__METHOD__.__LINE__.array2string($hA));
		if (!$preventRedirect && ($this->mail_bo->isDraftFolder($mailbox) || $this->mail_bo->isTemplateFolder($mailbox)))
		{
			egw::redirect_link('/index.php',array('menuaction'=>'mail.mail_compose.compose','id'=>$rowID,'from'=>'composefromdraft'));
		}
		$this->mail_bo->reopen($mailbox);
		// retrieve the flags of the message, before touching it.
		$headers	= $this->mail_bo->getMessageHeader($uid, $partID,true,true,$mailbox);
		if (PEAR::isError($headers)) {
			$error_msg[] = lang("ERROR: Message could not be displayed.");
			$error_msg[] = lang("In Mailbox: %1, with ID: %2, and PartID: %3",$mailbox,$uid,$partID);
			$error_msg[] = $headers->message;
			$error_msg[] = array2string($headers->backtrace[0]);
		}
		if (!empty($uid)) $this->mail_bo->getFlags($uid);
		$envelope	= $this->mail_bo->getMessageEnvelope($uid, $partID,true,$mailbox);
		//error_log(__METHOD__.__LINE__.array2string($envelope));
		$this->mail_bo->getMessageRawHeader($uid, $partID,$mailbox);
		$fetchEmbeddedImages = false;
		if ($htmlOptions !='always_display') $fetchEmbeddedImages = true;
		$attachments	= $this->mail_bo->getMessageAttachments($uid, $partID, null, $fetchEmbeddedImages,true,true,$mailbox);
		//error_log(__METHOD__.__LINE__.array2string($attachments));
		$attachmentHTMLBlock = self::createAttachmentBlock($attachments, $rowID, $uid, $mailbox);

		$nonDisplayAbleCharacters = array('[\016]','[\017]',
				'[\020]','[\021]','[\022]','[\023]','[\024]','[\025]','[\026]','[\027]',
				'[\030]','[\031]','[\032]','[\033]','[\034]','[\035]','[\036]','[\037]');

		//error_log(__METHOD__.__LINE__.$mailBody);
		$this->mail_bo->closeConnection();
		//$GLOBALS['egw_info']['flags']['currentapp'] = 'mail';//should not be needed
		$etpl = new etemplate_new('mail.display');
		$subject = $this->mail_bo->decode_subject(preg_replace($nonDisplayAbleCharacters,'',$envelope['SUBJECT']),false);

		// Set up data for taglist widget(s)
		if ($envelope['FROM']==$envelope['SENDER']) unset($envelope['SENDER']);
		foreach(array('SENDER','FROM','TO','CC','BCC') as $field)
		{
			if (!isset($envelope[$field])) continue;
			foreach($envelope[$field] as $field_data)
			{
				//error_log(__METHOD__.__LINE__.array2string($field_data));
				$content[$field][] = $field_data;
				$sel_options[$field][] = array(
					// taglist requires these - not optional
					'id' => $field_data,
					'label' => str_replace('"',"'",$field_data),
				);
			}
		}
		$actionsenabled = self::get_actions();
		unset($actionsenabled['open']);
		unset($actionsenabled['mark']['children']['setLabel']);
		unset($actionsenabled['mark']['children']['unsetLabel']);
		unset($actionsenabled['mark']['children']['read']);
		unset($actionsenabled['mark']['children']['unread']);
		unset($actionsenabled['mark']['children']['undelete']);
		unset($actionsenabled['drag_mail']);
		$actionsenabled['mark']['children']['flagged']=array(
			'group' => $actionsenabled['mark']['children']['flagged']['group'],
			'caption' => 'Flagged',
			'icon' => 'unread_flagged_small',
			'onExecute' => 'javaScript:app.mail.mail_flag',
		);
		$actionsenabled['mark']['children']['unflagged']=array(
			'group' => $actionsenabled['mark']['children']['flagged']['group'],
			'caption' => 'Unflagged',
			'icon' => 'read_flagged_small',
			'onExecute' => 'javaScript:app.mail.mail_flag',
		);
		$actionsenabled['tracker']['toolbarDefault'] = true;
		$actionsenabled['mark']['toolbarDefault'] = true;
		$actionsenabled['forward']['toolbarDefault'] = true;
		$cAN = $actionsenabled['composeasnew'];
		unset($actionsenabled['composeasnew']);
		$actionsenabled = array_reverse($actionsenabled,true);
		$actionsenabled['composeasnew']=$cAN;
		$actionsenabled = array_reverse($actionsenabled,true);
		$content['displayToolbaractions'] = json_encode($actionsenabled);
		if (empty($subject)) $subject = lang('no subject');
		$content['msg'] = (is_array($error_msg)?implode("<br>",$error_msg):$error_msg);
		// Send mail ID so we can use it for actions
		$content['mail_id'] = $rowID;
		$content['mail_displaydate'] = mail_bo::_strtotime($headers['DATE'],'ts',true);
		$content['mail_displaysubject'] = $subject;
		$linkData = array('menuaction'=>"mail.mail_ui.loadEmailBody","_messageID"=>$rowID);
		if (!empty($partID)) $linkData['_partID']=$partID;
		if ($htmlOptions != $this->mail_bo->htmlOptions) $linkData['_htmloptions']=$htmlOptions;
		$content['mailDisplayBodySrc'] = egw::link('/index.php',$linkData);
		$content['mail_displayattachments'] = $attachmentHTMLBlock;
		$content['mail_id']=$rowID;
		$content['mailDisplayContainerClass']=(count($attachments)?"mailDisplayContainer mailDisplayContainerFixedHeight":"mailDisplayContainer mailDisplayContainerFullHeight");
		$content['mailDisplayAttachmentsClass']=(count($attachments)?"mailDisplayAttachments":"mail_DisplayNone");

		// DRAG attachments actions
		$etpl->setElementAttribute('mail_displayattachments', 'actions', array(
			'file_drag' => array(
				'dragType' => 'file',
				'type' => 'drag',
				'onExecute' => 'javaScript:app.mail.drag_attachment'
			)
		));
		$readonlys = $preserv = $content;
		$etpl->exec('mail.mail_ui.displayMessage',$content,$sel_options,$readonlys,$preserv,2);
	}

	/**
	 * createAttachmentBlock
	 * helper function to create the attachment block/table
	 *
	 * @param array $attachments array with the attachments information
	 * @param string $rowID rowid of the message
	 * @param int $uid uid of the message
	 * @param string $mailbox mailbox identifier
	 * @param boolean $_returnFullHTML flag wether to return HTML or data array
	 * @return mixed array/string data array or html or empty string
	 */
	static function createAttachmentBlock($attachments, $rowID, $uid, $mailbox,$_returnFullHTML=false)
	{
		$attachmentHTMLBlock='';
		$attachmentHTML = array();
		if (is_array($attachments) && count($attachments) > 0) {
			$url_img_vfs = html::image('filemanager','navbar', lang('Filemanager'), ' height="16"');
			$url_img_vfs_save_all = html::image('mail','save_all', lang('Save all'));

			foreach ($attachments as $key => $value)
			{
				$attachmentHTML[$key]['filename']= ($value['name'] ? ( $value['filename'] ? $value['filename'] : $value['name'] ) : lang('(no subject)'));
				$test = @json_encode($attachmentHTML[$key]['filename']);
				//error_log(__METHOD__.__LINE__.' ->'.strlen($singleBodyPart['body']).' Error:'.json_last_error().'<- BodyPart:#'.$test.'#');
				if (($test=="null" || $test === false || is_null($test)) && strlen($attachmentHTML[$key]['filename'])>0)
				{
					// try to fix broken utf8
					$x = utf8_encode($attachmentHTML[$key]['filename']);
					$test = @json_encode($x);
					if (($test=="null" || $test === false || is_null($test)) && strlen($attachmentHTML[$key]['filename'])>0)
					{
						// this should not be needed, unless something fails with charset detection/ wrong charset passed
						$attachmentHTML[$key]['filename'] = (function_exists('mb_convert_encoding')?mb_convert_encoding($attachmentHTML[$key]['filename'],'UTF-8','UTF-8'):(function_exists('iconv')?@iconv("UTF-8","UTF-8//IGNORE",$attachmentHTML[$key]['filename']):$attachmentHTML[$key]['filename']));
					}
					else
					{
						$attachmentHTML[$key]['filename'] = $x;
					}
				}
				$attachmentHTML[$key]['type']=$value['mimeType'];
				$attachmentHTML[$key]['mimetype']=mime_magic::mime2label($value['mimeType']);
				$attachmentHTML[$key]['size']=egw_vfs::hsize($value['size']);
				$attachmentHTML[$key]['attachment_number']=$key;
				$attachmentHTML[$key]['partID']=$value['partID'];
				$attachmentHTML[$key]['winmailFlag']=$value['is_winmail'];
				$attachmentHTML[$key]['classSaveAllPossiblyDisabled'] = "mail_DisplayNone";
				
				switch(strtoupper($value['mimeType']))
				{
					case 'MESSAGE/RFC822':
						$linkData = array
						(
							'menuaction'	=> 'mail.mail_ui.displayMessage',
							//'mode'		=> 'display', //message/rfc822 attachments should be opened in display mode
							'id'		=> $rowID,
							'part'		=> $value['partID'],
							'is_winmail'    => $value['is_winmail']
						);
						$windowName = 'displayMessage_'. $rowID.'_'.$value['partID'];
						$linkView = "egw_openWindowCentered('".egw::link('/index.php',$linkData)."','$windowName',700,egw_getWindowOuterHeight());";
						break;
					case 'IMAGE/JPEG':
					case 'IMAGE/PNG':
					case 'IMAGE/GIF':
					case 'IMAGE/BMP':
					case 'APPLICATION/PDF':
					case 'TEXT/PLAIN':
					case 'TEXT/HTML':
					case 'TEXT/DIRECTORY':
						$sfxMimeType = $value['mimeType'];
						$buff = explode('.',$value['name']);
						$suffix = '';
						if (is_array($buff)) $suffix = array_pop($buff); // take the last extension to check with ext2mime
						if (!empty($suffix)) $sfxMimeType = mime_magic::ext2mime($suffix);
						if (strtoupper($sfxMimeType) == 'TEXT/VCARD' || strtoupper($sfxMimeType) == 'TEXT/X-VCARD')
						{
							$attachments[$key]['mimeType'] = $sfxMimeType;
							$value['mimeType'] = strtoupper($sfxMimeType);
						}
					case 'TEXT/X-VCARD':
					case 'TEXT/VCARD':
					case 'TEXT/CALENDAR':
					case 'TEXT/X-VCALENDAR':
						$linkData = array
						(
							'menuaction'	=> 'mail.mail_ui.getAttachment',
							'id'		=> $rowID,
							'part'		=> $value['partID'],
							'is_winmail'    => $value['is_winmail'],
							'mailbox'   => base64_encode($mailbox),
						);
						$windowName = 'displayAttachment_'. $uid;
						$reg = '800x600';
						// handle calendar/vcard
						if (strtoupper($value['mimeType'])=='TEXT/CALENDAR')
						{
							$windowName = 'displayEvent_'. $rowID;
							$reg2 = egw_link::get_registry('calendar','view_popup');
						}
						if (strtoupper($value['mimeType'])=='TEXT/X-VCARD' || strtoupper($value['mimeType'])=='TEXT/VCARD')
						{
							$windowName = 'displayContact_'. $rowID;
							$reg2 = egw_link::get_registry('addressbook','add_popup');
						}
						// apply to action
						list($width,$height) = explode('x',(!empty($reg2) ? $reg2 : $reg));
						$linkView = "egw_openWindowCentered('".egw::link('/index.php',$linkData)."','$windowName',$width,$height);";
						break;
					default:
						$linkData = array
						(
							'menuaction'	=> 'mail.mail_ui.getAttachment',
							'id'		=> $rowID,
							'part'		=> $value['partID'],
							'is_winmail'    => $value['is_winmail'],
							'mailbox'   => base64_encode($mailbox),
						);
						$linkView = "window.location.href = '".egw::link('/index.php',$linkData)."';";
						break;
				}
				//error_log(__METHOD__.__LINE__.$linkView);
				$attachmentHTML[$key]['link_view'] = '<a href="#" ." title="'.$attachmentHTML[$key]['filename'].'" onclick="'.$linkView.' return false;"><b>'.
					($value['name'] ? ( $filename ? $filename : $value['name'] ) : lang('(no subject)')).
					'</b></a>';

				$linkData = array
				(
					'menuaction'	=> 'mail.mail_ui.getAttachment',
					'mode'		=> 'save',
					'id'		=> $rowID,
					'part'		=> $value['partID'],
					'is_winmail'    => $value['is_winmail'],
					'mailbox'   => base64_encode($mailbox),
				);
				$attachmentHTML[$key]['link_save'] ="<a href='".egw::link('/index.php',$linkData)."' title='".$attachmentHTML[$key]['filename']."'>".html::image('mail','fileexport')."</a>";

				if ($GLOBALS['egw_info']['user']['apps']['filemanager'])
				{
					$link_vfs_save = egw::link('/index.php',array(
						'menuaction' => 'filemanager.filemanager_select.select',
						'mode' => 'saveas',
						'name' => $value['name'],
						'mime' => strtolower($value['mimeType']),
						'method' => 'mail.mail_ui.vfsSaveAttachment',
						'id' => $rowID.'::'.$value['partID'].'::'.$value['is_winmail'],
						'label' => lang('Save'),
					));
					$vfs_save = "<a href='#' onclick=\"egw_openWindowCentered('$link_vfs_save','vfs_save_attachment','640','570',window.outerWidth/2,window.outerHeight/2); return false;\">$url_img_vfs</a>";
					// add save-all icon for first attachment
					if (!$key && count($attachments) > 1)
					{
						$attachmentHTML[$key]['classSaveAllPossiblyDisabled'] = "";
						foreach ($attachments as $ikey => $value)
						{
							//$rowID
							$ids["id[$ikey]"] = $rowID.'::'.$value['partID'].'::'.$value['is_winmail'].'::'.$value['name'];
						}
						$link_vfs_save = egw::link('/index.php',array(
							'menuaction' => 'filemanager.filemanager_select.select',
							'mode' => 'select-dir',
							'method' => 'mail.mail_ui.vfsSaveAttachment',
							'label' => lang('Save all'),
						)+$ids);
						$vfs_save .= "<a href='#' onclick=\"egw_openWindowCentered('$link_vfs_save','vfs_save_attachment','640','530',window.outerWidth/2,window.outerHeight/2); return false;\">$url_img_vfs_save_all</a>";
					}
					$attachmentHTML[$key]['link_save'] .= $vfs_save;
					//error_log(__METHOD__.__LINE__.$attachmentHTML[$key]['link_save']);
				}
			}
			$attachmentHTMLBlock="<table width='100%'>";
			foreach ((array)$attachmentHTML as $row)
			{
				$attachmentHTMLBlock .= "<tr><td><div class='useEllipsis'>".$row['link_view'].'</div></td>';
				$attachmentHTMLBlock .= "<td>".$row['mimetype'].'</td>';
				$attachmentHTMLBlock .= "<td>".$row['size'].'</td>';
				$attachmentHTMLBlock .= "<td>".$row['link_save'].'</td></tr>';
			}
			$attachmentHTMLBlock .= "</table>";
		}
		if (!$_returnFullHTML)
		{
			foreach ((array)$attachmentHTML as $ikey => $value)
			{
				unset($attachmentHTML[$ikey]['link_view']);
				unset($attachmentHTML[$ikey]['link_save']);
			}
		}
		return ($_returnFullHTML?$attachmentHTMLBlock:$attachmentHTML);
	}

	/**
	 * fetch vacation info from active Server using icServer object
	 *
	 * @return array|boolean array with vacation on success or false on failure
	 */
	function gatherVacation()
	{
		$vacation = $this->mail_bo->icServer->acc_sieve_enabled && ($this->mail_bo->icServer->acc_sieve_host||$this->mail_bo->icServer->acc_imap_host);
		//error_log(__METHOD__.__LINE__.' Server:'.self::$icServerID.' Sieve Enabled:'.array2string($vacation));

		if ($vacation)
		{
			$sieveServer = $this->mail_bo->icServer;
		
			$sieveServer->retrieveRules();
			$vacation = $sieveServer->getVacation();
		}
		//error_log(__METHOD__.__LINE__.' Server:'.self::$icServerID.' Vacation retrieved:'.array2string($vacation));
		return $vacation;
	}

	/**
	 * quotaDisplay
	 * gather Info on how to display the quota info
	 * @param $_usage int
	 * @param $_limit int
	 * @return array - info used for quota array(class=>string,text=>string,$percent=>string)
	 */
	function quotaDisplay($_usage, $_limit)
	{

		if($_limit == 0) {
			$quotaPercent=100;
		} else {
			$quotaPercent=round(($_usage*100)/$_limit);
		}

		$quotaLimit=mail_bo::show_readable_size($_limit*1024);
		$quotaUsage=mail_bo::show_readable_size($_usage*1024);


		if($quotaPercent > 90 && $_limit>0) {
			$quotaBG='mail-index_QuotaRed';
		} elseif($quotaPercent > 80 && $_limit>0) {
			$quotaBG='mail-index_QuotaYellow';
		} else {
			$quotaBG='mail-index_QuotaGreen';
		}

		if($_limit > 0) {
			$quotaText = $quotaUsage .'/'.$quotaLimit;
		} else {
			$quotaText = $quotaUsage;
		}

		if($quotaPercent > 50) {
		} else {
		}
		$quota['class'] = $quotaBG;
		$quota['text'] = lang('Quota: %1',$quotaText);
		$quota['percent'] = (string)round(($_usage*100)/$_limit);
		return $quota;
	}

	/**
	 * display image
	 *
	 * all params are passed as GET Parameters
	 */
	function displayImage()
	{
		$uid	= $_GET['uid'];
		$cid	= base64_decode($_GET['cid']);
		$partID = urldecode($_GET['partID']);
		if (!empty($_GET['mailbox'])) $mailbox  = base64_decode($_GET['mailbox']);

		//error_log(__METHOD__.__LINE__.":$uid, $cid, $partID");
		$this->mail_bo->reopen($mailbox);

		$attachment = $this->mail_bo->getAttachmentByCID($uid, $cid, $partID, true);	// true get contents as stream

		$this->mail_bo->closeConnection();

		$GLOBALS['egw']->session->commit_session();

		if ($attachment)
		{
			header("Content-Type: ". $attachment->getType());
			header('Content-Disposition: inline; filename="'. $attachment->getDispositionParameter('filename') .'"');
			//header("Expires: 0");
			// the next headers are for IE and SSL
			//header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
			//header("Pragma: public");
			egw_session::cache_control(true);
			echo $attachment->getContents();
		}
		else
		{
			// send a 404 Not found
			header("HTTP/1.1 404 Not found");
		}
		common::egw_exit();
	}

	function getAttachment()
	{
		if(isset($_GET['id'])) $rowID	= $_GET['id'];

		$hA = self::splitRowID($rowID);
		$uid = $hA['msgUID'];
		$mailbox = $hA['folder'];
		$part		= $_GET['part'];
		$is_winmail = $_GET['is_winmail'] ? $_GET['is_winmail'] : 0;

		$this->mail_bo->reopen($mailbox);
		$attachment = $this->mail_bo->getAttachment($uid,$part,$is_winmail,false);
		$this->mail_bo->closeConnection();

		$GLOBALS['egw']->session->commit_session();
		//error_log(__METHOD__.print_r($_GET,true));
		if ($_GET['mode'] != "save")
		{
			if (strtoupper($attachment['type']) == 'TEXT/DIRECTORY' || empty($attachment['type']))
			{
				$sfxMimeType = $attachment['type'];
				$buff = explode('.',$attachment['filename']);
				$suffix = '';
				if (is_array($buff)) $suffix = array_pop($buff); // take the last extension to check with ext2mime
				if (!empty($suffix)) $sfxMimeType = mime_magic::ext2mime($suffix);
				$attachment['type'] = $sfxMimeType;
				if (strtoupper($sfxMimeType) == 'TEXT/VCARD' || strtoupper($sfxMimeType) == 'TEXT/X-VCARD') $attachment['type'] = strtoupper($sfxMimeType);
			}
			//error_log(__METHOD__.print_r($attachment,true));
			if (strtoupper($attachment['type']) == 'TEXT/CALENDAR' || strtoupper($attachment['type']) == 'TEXT/X-VCALENDAR')
			{
				//error_log(__METHOD__."about to call calendar_ical");
				$calendar_ical = new calendar_ical();
				$eventid = $calendar_ical->search($attachment['attachment'],-1);
				//error_log(__METHOD__.array2string($eventid));
				if (!$eventid) $eventid = -1;
				$event = $calendar_ical->importVCal($attachment['attachment'],(is_array($eventid)?$eventid[0]:$eventid),null,true);
				//error_log(__METHOD__.$event);
				if ((int)$event > 0)
				{
					$vars = array(
						'menuaction'      => 'calendar.calendar_uiforms.edit',
						'cal_id'      => $event,
					);
					egw::redirect_link('../index.php',$vars);
				}
				//Import failed, download content anyway
			}
			if (strtoupper($attachment['type']) == 'TEXT/X-VCARD' || strtoupper($attachment['type']) == 'TEXT/VCARD')
			{
				$addressbook_vcal = new addressbook_vcal();
				// double \r\r\n seems to end a vcard prematurely, so we set them to \r\n
				//error_log(__METHOD__.__LINE__.$attachment['attachment']);
				$attachment['attachment'] = str_replace("\r\r\n", "\r\n", $attachment['attachment']);
				$vcard = $addressbook_vcal->vcardtoegw($attachment['attachment']);
				if ($vcard['uid'])
				{
					$vcard['uid'] = trim($vcard['uid']);
					//error_log(__METHOD__.__LINE__.print_r($vcard,true));
					$contact = $addressbook_vcal->find_contact($vcard,false);
				}
				if (!$contact) $contact = null;
				// if there are not enough fields in the vcard (or the parser was unable to correctly parse the vcard (as of VERSION:3.0 created by MSO))
				if ($contact || count($vcard)>2)
				{
					$contact = $addressbook_vcal->addVCard($attachment['attachment'],(is_array($contact)?array_shift($contact):$contact),true);
				}
				if ((int)$contact > 0)
				{
					$vars = array(
						'menuaction'	=> 'addressbook.addressbook_ui.edit',
						'contact_id'	=> $contact,
					);
					egw::redirect_link('../index.php',$vars);
				}
				//Import failed, download content anyway
			}
		}
		//error_log(__METHOD__.__LINE__.'->'.array2string($attachment));
		$filename = ($attachment['name']?$attachment['name']:($attachment['filename']?$attachment['filename']:$mailbox.'_uid'.$uid.'_part'.$part));
		html::content_header($filename,$attachment['type'],0,True,($_GET['mode'] == "save"));
		echo $attachment['attachment'];

		$GLOBALS['egw']->common->egw_exit();
		exit;
	}


	/**
	 * save messages on disk or filemanager, or display it in popup
	 *
	 * all params are passed as GET Parameters
	 */
	function saveMessage()
	{
		$display = false;
		if(isset($_GET['id'])) $rowID	= $_GET['id'];
		if(isset($_GET['part'])) $partID = $_GET['part'];
		if (isset($_GET['location'])&& ($_GET['location']=='display'||$_GET['location']=='filemanager')) $display	= $_GET['location'];

		$hA = self::splitRowID($rowID);
		$uid = $hA['msgUID'];
		$mailbox = $hA['folder'];

		$this->mail_bo->reopen($mailbox);

		$message = $this->mail_bo->getMessageRawBody($uid, $partID, $mailbox);
		$headers = $this->mail_bo->getMessageHeader($uid, $partID, true,false, $mailbox);

		$this->mail_bo->closeConnection();

		$GLOBALS['egw']->session->commit_session();
		if ($display==false)
		{
			$subject = str_replace('$$','__',mail_bo::decode_header($headers['SUBJECT']));
			html::content_header($subject .".eml",'message/rfc822',0,True,($display==false));
			echo $message;

			$GLOBALS['egw']->common->egw_exit();
			exit;
		}
		else
		{
			header('Content-type: text/html; charset=iso-8859-1');
			print '<pre>'. htmlspecialchars($message, ENT_NOQUOTES, 'iso-8859-1') .'</pre>';
		}
	}

	/**
	 * Save an Message in the vfs
	 *
	 * @param string|array $ids use splitRowID, to separate values
	 * @param string $path path in vfs (no egw_vfs::PREFIX!), only directory for multiple id's ($ids is an array)
	 * @return string javascript eg. to close the selector window
	 */
	function vfsSaveMessage($ids,$path)
	{
		error_log(__METHOD__.' IDs:'.array2string($ids).' SaveToPath:'.$path);

		if (is_array($ids) && !egw_vfs::is_writable($path) || !is_array($ids) && !egw_vfs::is_writable(dirname($path)))
		{
			return 'alert("'.addslashes(lang('%1 is NOT writable by you!',$path)).'"); window.close();';
		}
		foreach((array)$ids as $id)
		{
			$hA = self::splitRowID($id);
			$uid = $hA['msgUID'];
			$mailbox = $hA['folder'];
			$message = $this->mail_bo->getMessageRawBody($uid, $partID='', $mailbox);
			$err=null;
			if (!($fp = egw_vfs::fopen($file=$path,'wb')) || !fwrite($fp,$message))
			{
				$err .= lang('Error saving %1!',$file);
				$succeeded = false;
			}
			else
			{
				$succeeded = true;
			}
			if ($fp) fclose($fp);
			if ($succeeded)
			{
				translation::add_app('mail');
				$headers = $this->mail_bo->getMessageHeader($uid,$partID,true,false,$mailbox);
				unset($headers['SUBJECT']);//already in filename
				$infoSection = mail_bo::createHeaderInfoSection($headers, 'SUPPRESS', false);
				$props = array(array('name' => 'comment','val' => $infoSection));
				egw_vfs::proppatch($file,$props);
			}
		}
		egw_framework::window_close(($err?$err:null));
	}

	/**
	 * Save an attachment in the vfs
	 *
	 * @param string|array $ids '::' delimited mailbox::uid::part-id::is_winmail::name (::name for multiple id's)
	 * @param string $path path in vfs (no egw_vfs::PREFIX!), only directory for multiple id's ($ids is an array)
	 * @return string javascript eg. to close the selector window
	 */
	function vfsSaveAttachment($ids,$path)
	{
		//error_log(__METHOD__.__LINE__.'("'.array2string($ids).'","'.$path."\")');");

		if (is_array($ids) && !egw_vfs::is_writable($path) || !is_array($ids) && !egw_vfs::is_writable(dirname($path)))
		{
			return 'alert("'.addslashes(lang('%1 is NOT writable by you!',$path)).'"); window.close();';
		}
		$err=null;
		foreach((array)$ids as $id)
		{
			list($app,$user,$serverID,$mailbox,$uid,$part,$is_winmail,$name) = explode('::',$id,8);
			$lId = implode('::',array($app,$user,$serverID,$mailbox,$uid));
			$hA = self::splitRowID($lId);
			$uid = $hA['msgUID'];
			$mailbox = $hA['folder'];
			//error_log(__METHOD__.__LINE__.array2string($hA));
			$this->mail_bo->reopen($mailbox);
			$attachment = $this->mail_bo->getAttachment($uid,$part,$is_winmail,false);
			//error_log(__METHOD__.__LINE__.array2string($attachment));
			if (!($fp = egw_vfs::fopen($file=$path.($name ? '/'.$name : ''),'wb')) ||
				!fwrite($fp,$attachment['attachment']))
			{
				$err .= lang('Error saving %1!',$file);
			}
			if ($fp) fclose($fp);
		}
		$this->mail_bo->closeConnection();
		egw_framework::window_close(($err?$err:null));
	}

	/**
	 * Zip all attachments and send to user
	 * @param string $message_id = null
	 */
	function download_zip($message_id=null)
	{
		// First, get all attachment IDs
		if(isset($_GET['id'])) $message_id	= $_GET['id'];
		//error_log(__METHOD__.__LINE__.$message_id);
		if(!is_numeric($message_id))
		{
			$hA = self::splitRowID($message_id);
			$message_id = $hA['msgUID'];
			$mailbox = $hA['folder'];
		}
		else
		{
			$mailbox = $this->mail_bo->sessionData['mailbox'];
		}

		$attachments = $this->mail_bo->getMessageAttachments($message_id,null, null, false, true,true,$mailbox);

		// put them in VFS so they can be zipped
		$header = $this->mail_bo->getMessageHeader($message_id,'',true,false,$mailbox);
		$temp_path = egw_vfs::get_home_dir() . "/.mail_$message_id";
		if(egw_vfs::is_dir($temp_path)) egw_vfs::remove ($temp_path);

		// Add subject to path, so it gets used as the file name
		$path = $temp_path . '/' . ($header['SUBJECT'] ? egw_vfs::encodePathComponent($header['SUBJECT']) : lang('mail')) .'/';
		if(!egw_vfs::mkdir($path, 0700, true))
		{
			egw_framework::message("Unable to open temp directory $path",'error');
			return;
		}

		$file_list = array();
		$this->mail_bo->reopen($mailbox);
		foreach($attachments as $file)
		{
			$attachment = $this->mail_bo->getAttachment($message_id,$file['partID'],$file['is_winmail'],false);

			if (!($fp = egw_vfs::fopen($path.$file['filename'],'wb')) ||
				!fwrite($fp,$attachment['attachment']))
			{
				egw_framework::message("Unable to zip {$file['filename']}",'error');
			}
			$file_list[] = $path.$file['filename'];
			if ($fp) fclose($fp);
		}
		$this->mail_bo->closeConnection();

		// Zip it up
		egw_vfs::download_zip($file_list);

		// Clean up
		egw_vfs::remove($temp_path);

		common::egw_exit();
	}

	function get_load_email_data($uid, $partID, $mailbox,$htmlOptions=null)
	{
		// seems to be needed, as if we open a mail from notification popup that is
		// located in a different folder, we experience: could not parse message
		$this->mail_bo->reopen($mailbox);
		$this->mailbox = $mailbox;
		$this->uid = $uid;
		$this->partID = $partID;
		$bufferHtmlOptions = $this->mail_bo->htmlOptions;
		if (empty($htmlOptions)) $htmlOptions = $this->mail_bo->htmlOptions;
		$bodyParts	= $this->mail_bo->getMessageBody($uid, ($htmlOptions?$htmlOptions:''), $partID, null, false, $mailbox);

		//error_log(__METHOD__.__LINE__.array2string($bodyParts));
		$fetchEmbeddedImages = false;
		if ($htmlOptions !='always_display') $fetchEmbeddedImages = true;
		$attachments = (array)$this->mail_bo->getMessageAttachments($uid, $partID, null, $fetchEmbeddedImages, true,true,$mailbox);
		//error_log(__METHOD__.__LINE__.array2string($attachments));
		foreach ($attachments as &$attach)
		{
			if (strtolower($attach['mimeType']) == 'text/calendar' &&
				(strtolower($attach['method']) == 'request' || strtolower($attach['method']) == 'reply') &&
				isset($GLOBALS['egw_info']['user']['apps']['calendar']) &&
				($attachment = $this->mail_bo->getAttachment($uid, $attach['partID'],0,(strtolower($attach['mimeType']) == 'text/calendar'?false:true))))
			{
				//error_log(__METHOD__.__LINE__.array2string($attachment));
				egw_cache::setSession('calendar', 'ical', array(
					'charset' => $attach['charset'] ? $attach['charset'] : 'utf-8',
					'attachment' => $attachment['attachment'],
					'method' => $attach['method'],
					'sender' => $mailbox,
				));
				$this->mail_bo->htmlOptions = $bufferHtmlOptions;
				translation::add_app('calendar');
				return ExecMethod( 'calendar.calendar_uiforms.meeting',
					array('event'=>null,'msg'=>'','useSession'=>true)
				);
			}
		}
		// Compose the content of the frame
		$frameHtml =
			$this->get_email_header($this->mail_bo->getStyles($bodyParts)).
			$this->showBody($this->getdisplayableBody($bodyParts), false);
		//IE10 eats away linebreaks preceeded by a whitespace in PRE sections
		$frameHtml = str_replace(" \r\n","\r\n",$frameHtml);
		$this->mail_bo->htmlOptions = $bufferHtmlOptions;

		return $frameHtml;
	}

	static function get_email_header($additionalStyle='')
	{
		// egw_info[flags][css] already include <style> tags
		$GLOBALS['egw_info']['flags']['css'] = preg_replace('|</?style[^>]*>|i', '', $additionalStyle);
		$GLOBALS['egw_info']['flags']['nofooter']=true;
		$GLOBALS['egw_info']['flags']['nonavbar']=true;
		// do NOT include any default CSS
		egw_framework::includeCSS('mail', 'preview', true, true);

		// load preview.js to activate mailto links
		egw_framework::validate_file('/mail/js/preview.js');

		// send CSP and content-type header
		return $GLOBALS['egw']->framework->header();
	}

	function showBody(&$body, $print=true,$fullPageTags=true)
	{
		$BeginBody = '<div class="mailDisplayBody">
<table width="100%" style="table-layout:fixed"><tr><td class="td_display">';

		$EndBody = '</td></tr></table></div>';
		if ($fullPageTags) $EndBody .= "</body></html>";
		if ($print)	{
			print $BeginBody. $body .$EndBody;
		} else {
			return $BeginBody. $body .$EndBody;
		}
	}

	function &getdisplayableBody($_bodyParts,$modifyURI=true)
	{
		$bodyParts	= $_bodyParts;

		$nonDisplayAbleCharacters = array('[\016]','[\017]',
				'[\020]','[\021]','[\022]','[\023]','[\024]','[\025]','[\026]','[\027]',
				'[\030]','[\031]','[\032]','[\033]','[\034]','[\035]','[\036]','[\037]');

		$body = '';

		//error_log(__METHOD__.array2string($bodyParts)); //exit;
		if (empty($bodyParts)) return "";
		foreach((array)$bodyParts as $singleBodyPart) {
			if (!isset($singleBodyPart['body'])) {
				$singleBodyPart['body'] = $this->getdisplayableBody($singleBodyPart,$modifyURI);
				$body .= $singleBodyPart['body'];
				continue;
			}
			$bodyPartIsSet = strlen(trim($singleBodyPart['body']));
			if (!$bodyPartIsSet)
			{
				$body .= '';
				continue;
			}
			if(!empty($body)) {
				$body .= '<hr style="border:dotted 1px silver;">';
			}
			//error_log($singleBodyPart['body']);
			//error_log(__METHOD__.__LINE__.' CharSet:'.$singleBodyPart['charSet'].' mimeType:'.$singleBodyPart['mimeType']);
			// some characterreplacements, as they fail to translate
			$sar = array(
				'@(\x84|\x93|\x94)@',
				'@(\x96|\x97|\x1a)@',
				'@(\x82|\x91|\x92)@',
				'@(\x85)@',
				'@(\x86)@',
				'@(\x99)@',
				'@(\xae)@',
			);
			$rar = array(
				'"',
				'-',
				'\'',
				'...',
				'&',
				'(TM)',
				'(R)',
			);

			if(($singleBodyPart['mimeType'] == 'text/html' || $singleBodyPart['mimeType'] == 'text/plain') &&
				strtoupper($singleBodyPart['charSet']) != 'UTF-8')
			{
				$singleBodyPart['body'] = preg_replace($sar,$rar,$singleBodyPart['body']);
			}
			if ($singleBodyPart['charSet']===false) $singleBodyPart['charSet'] = translation::detect_encoding($singleBodyPart['body']);
			$singleBodyPart['body'] = $GLOBALS['egw']->translation->convert(
				$singleBodyPart['body'],
				strtolower($singleBodyPart['charSet'])
			);
			// in a way, this tests if we are having real utf-8 (the displayCharset) by now; we should if charsets reported (or detected) are correct
			if (strtoupper(mail_bo::$displayCharset) == 'UTF-8')
			{
				$test = @json_encode($singleBodyPart['body']);
				//error_log(__METHOD__.__LINE__.' ->'.strlen($singleBodyPart['body']).' Error:'.json_last_error().'<- BodyPart:#'.$test.'#');
				if (($test=="null" || $test === false || is_null($test)) && strlen($singleBodyPart['body'])>0)
				{
					// try to fix broken utf8
					$x = (function_exists('mb_convert_encoding')?mb_convert_encoding($singleBodyPart['body'],'UTF-8','UTF-8'):(function_exists('iconv')?@iconv("UTF-8","UTF-8//IGNORE",$singleBodyPart['body']):$singleBodyPart['body']));
					$test = @json_encode($x);
					if (($test=="null" || $test === false || is_null($test)) && strlen($singleBodyPart['body'])>0)
					{
						// this should not be needed, unless something fails with charset detection/ wrong charset passed
						error_log(__METHOD__.__LINE__.' Charset Reported:'.$singleBodyPart['charSet'].' Charset Detected:'.translation::detect_encoding($singleBodyPart['body']));
						$singleBodyPart['body'] = utf8_encode($singleBodyPart['body']);
					}
					else
					{
						$singleBodyPart['body'] = $x;
					}
				}
			}
			//error_log(__METHOD__.__LINE__.array2string($singleBodyPart));
			if($singleBodyPart['mimeType'] == 'text/plain')
			{
				$newBody	= @htmlentities($singleBodyPart['body'],ENT_QUOTES, strtoupper(mail_bo::$displayCharset));
				// if empty and charset is utf8 try sanitizing the string in question
				if (empty($newBody) && strtolower($singleBodyPart['charSet'])=='utf-8') $newBody = @htmlentities(iconv('utf-8', 'utf-8', $singleBodyPart['body']),ENT_QUOTES, strtoupper(mail_bo::$displayCharset));
				// if the conversion to htmlentities fails somehow, try without specifying the charset, which defaults to iso-
				if (empty($newBody)) $newBody    = htmlentities($singleBodyPart['body'],ENT_QUOTES);

				// search http[s] links and make them as links available again
				// to understand what's going on here, have a look at
				// http://www.php.net/manual/en/function.preg-replace.php

				// create links for websites
				if ($modifyURI) $newBody = html::activate_links($newBody);
				// redirect links for websites if you use no cookies
				#if (!($GLOBALS['egw_info']['server']['usecookies']))
				#	$newBody = preg_replace("/href=(\"|\')((http(s?):\/\/)|(www\.))([\w,\-,\/,\?,\=,\.,&amp;,!\n,\%,@,\(,\),\*,#,:,~,\+]+)(\"|\')/ie",
				#		"'href=\"$webserverURL/redirect.php?go='.@htmlentities(urlencode('http$4://$5$6'),ENT_QUOTES,\"mail_bo::$displayCharset\").'\"'", $newBody);

				// create links for email addresses
				//TODO:if ($modifyURI) $this->parseEmail($newBody);
				// create links for inline images
				if ($modifyURI)
				{
					$newBody = preg_replace_callback("/\[cid:(.*)\]/iU",array($this,'image_callback_plain'),$newBody);
				}

				//TODO:$newBody	= $this->highlightQuotes($newBody);
				// to display a mailpart of mimetype plain/text, may be better taged as preformatted
				#$newBody	= nl2br($newBody);
				// since we do not display the message as HTML anymore we may want to insert good linebreaking (for visibility).
				//error_log($newBody);
				// dont break lines that start with > (&gt; as the text was processed with htmlentities before)
				$newBody	= "<pre>".mail_bo::wordwrap($newBody,90,"\n",'&gt;')."</pre>";
			}
			else
			{
				$newBody	= $singleBodyPart['body'];
				//TODO:$newBody	= $this->highlightQuotes($newBody);
				#error_log(print_r($newBody,true));

				// do the cleanup, set for the use of purifier
				$usepurifier = true;
				$newBodyBuff = $newBody;
				mail_bo::getCleanHTML($newBody,$usepurifier);
				// in a way, this tests if we are having real utf-8 (the displayCharset) by now; we should if charsets reported (or detected) are correct
				if (strtoupper(mail_bo::$displayCharset) == 'UTF-8')
				{
					$test = @json_encode($newBody);
					//error_log(__METHOD__.__LINE__.' ->'.strlen($singleBodyPart['body']).' Error:'.json_last_error().'<- BodyPart:#'.$test.'#');
					if (($test=="null" || $test === false || is_null($test)) && strlen($newBody)>0)
					{
						$newBody = $newBodyBuff;
						$tv = mail_bo::$htmLawed_config['tidy'];
						mail_bo::$htmLawed_config['tidy'] = 0;
						mail_bo::getCleanHTML($newBody,$usepurifier);
						mail_bo::$htmLawed_config['tidy'] = $tv;
					}
				}

				// removes stuff between http and ?http
				$Protocol = '(http:\/\/|(ftp:\/\/|https:\/\/))';    // only http:// gets removed, other protocolls are shown
				$newBody = preg_replace('~'.$Protocol.'[^>]*\?'.$Protocol.'~sim','$1',$newBody); // removes stuff between http:// and ?http://
				// TRANSFORM MAILTO LINKS TO EMAILADDRESS ONLY, WILL BE SUBSTITUTED BY parseEmail TO CLICKABLE LINK
				$newBody = preg_replace('/(?<!"|href=|href\s=\s|href=\s|href\s=)'.'mailto:([a-z0-9._-]+)@([a-z0-9_-]+)\.([a-z0-9._-]+)/i',
					"\\1@\\2.\\3",
					$newBody);

				// redirect links for websites if you use no cookies
				#if (!($GLOBALS['egw_info']['server']['usecookies'])) { //do it all the time, since it does mask the mailadresses in urls
					//TODO:if ($modifyURI) $this->parseHREF($newBody);
				#}
				// create links for inline images
				if ($modifyURI)
				{
					$newBody = preg_replace_callback("/src=(\"|\')cid:(.*)(\"|\')/iU",array($this,'image_callback'),$newBody);
					$newBody = preg_replace_callback("/url\(cid:(.*)\);/iU",array($this,'image_callback_url'),$newBody);
					$newBody = preg_replace_callback("/background=(\"|\')cid:(.*)(\"|\')/iU",array($this,'image_callback_background'),$newBody);
				}
				// email addresses / mailto links get now activated on client-side
			}

			$body .= $newBody;
		}
		// create links for windows shares
		// \\\\\\\\ == '\\' in real life!! :)
		$body = preg_replace("/(\\\\\\\\)([\w,\\\\,-]+)/i",
			"<a href=\"file:$1$2\" target=\"_blank\"><font color=\"blue\">$1$2</font></a>", $body);

		$body = preg_replace($nonDisplayAbleCharacters,'',$body);

		return $body;
	}

	/**
	 * preg_replace callback to replace image cid url's
	 *
	 * @param array $matches matches from preg_replace("/src=(\"|\')cid:(.*)(\"|\')/iU",...)
	 * @return string src attribute to replace
	 */
	function image_callback($matches)
	{
		static $cache = array();	// some caching, if mails containing the same image multiple times

		$linkData = array (
			'menuaction'    => 'mail.mail_ui.displayImage',
			'uid'		=> $this->uid,
			'mailbox'	=> base64_encode($this->mailbox),
			'cid'		=> base64_encode($matches[2]),
			'partID'	=> $this->partID,
		);
		$imageURL = egw::link('/index.php', $linkData);

		// to test without data uris, comment the if close incl. it's body
		if (html::$user_agent != 'msie' || html::$ua_version >= 8)
		{
			if (!isset($cache[$imageURL]))
			{
				$attachment = $this->mail_bo->getAttachmentByCID($this->uid, $matches[2], $this->partID);

				// only use data uri for "smaller" images, as otherwise the first display of the mail takes to long
				if (($attachment instanceof Horde_Mime_Part) && $attachment->getBytes() < 8192)	// msie=8 allows max 32k data uris
				{
					$this->mail_bo->fetchPartContents($this->uid, $attachment);
					$cache[$imageURL] = 'data:'.$attachment->getType().';base64,'.base64_encode($attachment->getContents());
				}
				else
				{
					$cache[$imageURL] = $imageURL;
				}
			}
			$imageURL = $cache[$imageURL];
		}
		return 'src="'.$imageURL.'"';
	}

	/**
	 * preg_replace callback to replace image cid url's
	 *
	 * @param array $matches matches from preg_replace("/src=(\"|\')cid:(.*)(\"|\')/iU",...)
	 * @return string src attribute to replace
	 */
	function image_callback_plain($matches)
	{
		static $cache = array();	// some caching, if mails containing the same image multiple times
		//error_log(__METHOD__.__LINE__.array2string($matches));
		$linkData = array (
			'menuaction'    => 'mail.mail_ui.displayImage',
			'uid'		=> $this->uid,
			'mailbox'	=> base64_encode($this->mailbox),
			'cid'		=> base64_encode($matches[1]),
			'partID'	=> $this->partID,
		);
		$imageURL = egw::link('/index.php', $linkData);

		// to test without data uris, comment the if close incl. it's body
		if (html::$user_agent != 'msie' || html::$ua_version >= 8)
		{
			if (!isset($cache[$imageURL]))
			{
				$attachment = $this->mail_bo->getAttachmentByCID($this->uid, $matches[1], $this->partID);

				// only use data uri for "smaller" images, as otherwise the first display of the mail takes to long
				if (($attachment instanceof Horde_Mime_Part) && bytes($attachment->getBytes()) < 8192)	// msie=8 allows max 32k data uris
				{
					$this->mail_bo->fetchPartContents($this->uid, $attachment);
					$cache[$imageURL] = 'data:'.$attachment->getType().';base64,'.base64_encode($attachment->getContents());
				}
				else
				{
					$cache[$imageURL] = $imageURL;
				}
			}
			$imageURL = $cache[$imageURL];
		}
		return '<img src="'.$imageURL.'" />';
	}

	/**
	 * preg_replace callback to replace image cid url's
	 *
	 * @param array $matches matches from preg_replace("/src=(\"|\')cid:(.*)(\"|\')/iU",...)
	 * @return string src attribute to replace
	 */
	function image_callback_url($matches)
	{
		static $cache = array();	// some caching, if mails containing the same image multiple times
		//error_log(__METHOD__.__LINE__.array2string($matches));
		$linkData = array (
			'menuaction'    => 'mail.mail_ui.displayImage',
			'uid'		=> $this->uid,
			'mailbox'	=> base64_encode($this->mailbox),
			'cid'		=> base64_encode($matches[1]),
			'partID'	=> $this->partID,
		);
		$imageURL = egw::link('/index.php', $linkData);

		// to test without data uris, comment the if close incl. it's body
		if (html::$user_agent != 'msie' || html::$ua_version >= 8)
		{
			if (!isset($cache[$imageURL]))
			{
				$attachment = $this->mail_bo->getAttachmentByCID($this->uid, $matches[1], $this->partID);

				// only use data uri for "smaller" images, as otherwise the first display of the mail takes to long
				if (($attachment instanceof Horde_Mime_Part) && $attachment->getBytes() < 8192)	// msie=8 allows max 32k data uris
				{
					$this->mail_bo->fetchPartContents($this->uid, $attachment);
					$cache[$imageURL] = 'data:'.$attachment->getType().';base64,'.base64_encode($attachment->getContents());
				}
				else
				{
					$cache[$imageURL] = $imageURL;
				}
			}
			$imageURL = $cache[$imageURL];
		}
		return 'url('.$imageURL.');';
	}

	/**
	 * preg_replace callback to replace image cid url's
	 *
	 * @param array $matches matches from preg_replace("/src=(\"|\')cid:(.*)(\"|\')/iU",...)
	 * @return string src attribute to replace
	 */
	function image_callback_background($matches)
	{
		static $cache = array();	// some caching, if mails containing the same image multiple times
		$linkData = array (
			'menuaction'    => 'mail.mail_ui.displayImage',
			'uid'		=> $this->uid,
			'mailbox'	=> base64_encode($this->mailbox),
			'cid'		=> base64_encode($matches[2]),
			'partID'	=> $this->partID,
		);
		$imageURL = egw::link('/index.php', $linkData);

		// to test without data uris, comment the if close incl. it's body
		if (html::$user_agent != 'msie' || html::$ua_version >= 8)
		{
			if (!isset($cache[$imageURL]))
			{
				$cache[$imageURL] = $imageURL;
			}
			$imageURL = $cache[$imageURL];
		}
		return 'background="'.$imageURL.'"';
	}

	/**
	 * importMessage
	 * @param array $content = null an array of content
	 */
	function importMessage($content=null)
	{
		//error_log(__METHOD__.__LINE__.$this->mail_bo->getDraftFolder());

		if (!empty($content))
		{
			//error_log(__METHOD__.__LINE__.array2string($content));
			if ($content['vfsfile'])
			{
				$file = $content['vfsfile'] = array(
					'name' => egw_vfs::basename($content['vfsfile']),
					'type' => egw_vfs::mime_content_type($content['vfsfile']),
					'file' => egw_vfs::PREFIX.$content['vfsfile'],
					'size' => filesize(egw_vfs::PREFIX.$content['vfsfile']),
				);
			}
			else
			{
				$file = $content['uploadForImport'];
			}
			$destination = $content['FOLDER'][0];
			$importID = mail_bo::getRandomString();
			$importFailed = false;
			try
			{
				$messageUid = $this->importMessageToFolder($file,$destination,$importID);
			    $linkData = array
			    (
					'id' => $this->createRowID($destination, $messageUid, true),
			    );
			}
			catch (egw_exception_wrong_userinput $e)
			{
					$importFailed=true;
					$content['msg']		= $e->getMessage();
			}
			if (!$importFailed)
			{
				ExecMethod2('mail.mail_ui.displayMessage',$linkData);
				exit;
			}
		}
		if (!is_array($content)) $content = array();
		if (empty($content['FOLDER'])) $content['FOLDER']=(array)$this->mail_bo->getDraftFolder();
		if (!empty($content['FOLDER'])) $sel_options['FOLDER']=mail_compose::ajax_searchFolder(0,true);

		$etpl = new etemplate_new('mail.importMessage');
		$etpl->setElementAttribute('uploadForImport','onFinish','app.mail.uploadForImport');
		$etpl->exec('mail.mail_ui.importMessage',$content,$sel_options,array(),array(),2);
	}

	/**
	 * importMessageToFolder
	 *
	 * @param array $_formData Array with information of name, type, file and size
	 * @param string $_folder (passed by reference) will set the folder used. must be set with a folder, but will hold modifications if
	 *					folder is modified
	 * @param string $importID ID for the imported message, used by attachments to identify them unambiguously
	 * @return mixed $messageUID or exception
	 */
	function importMessageToFolder($_formData,&$_folder,$importID='')
	{
		$importfailed = false;
		//error_log(__METHOD__.__LINE__.array2string($_formData));
		if (empty($_formData['file'])) $_formData['file'] = $_formData['tmp_name'];
		// check if formdata meets basic restrictions (in tmp dir, or vfs, mimetype, etc.)
		try
		{
			$tmpFileName = mail_bo::checkFileBasics($_formData,$importID);
		}
		catch (egw_exception_wrong_userinput $e)
		{
			$importfailed = true;
			$alert_msg .= $e->getMessage();
		}
		// -----------------------------------------------------------------------
		if ($importfailed === false)
		{
			$mailObject = new egw_mailer();
			$Header = '';
			$Body = '';
			try
			{
				$this->mail_bo->parseFileIntoMailObject($mailObject,$tmpFileName,$Header,$Body);
			}
			catch (egw_exception_assertion_failed $e)
			{
				$importfailed = true;
				$alert_msg .= $e->getMessage();
			}
			$this->mail_bo->openConnection();
			if (empty($_folder))
			{
				$importfailed = true;
				$alert_msg .= lang("Import of message %1 failed. Destination Folder not set.",$_formData['name']);
			}
			$delimiter = $this->mail_bo->getHierarchyDelimiter();
			if($_folder=='INBOX'.$delimiter) $_folder='INBOX';
			if ($importfailed === false)
			{
				if ($this->mail_bo->folderExists($_folder,true)) {
					try
					{
						$messageUid = $this->mail_bo->appendMessage($_folder,
							$Header.$mailObject->LE.$mailObject->LE,
							$Body,'\\Seen');
					}
					catch (egw_exception_wrong_userinput $e)
					{
						$importfailed = true;
						$alert_msg .= lang("Import of message %1 failed. Could not save message to folder %2 due to: %3",$_formData['name'],$_folder,$e->getMessage());
					}
				}
				else
				{
					$importfailed = true;
					$alert_msg .= lang("Import of message %1 failed. Destination Folder %2 does not exist.",$_formData['name'],$_folder);
				}
			}
		}
		// set the url to open when refreshing
		if ($importfailed == true)
		{
			throw new egw_exception_wrong_userinput($alert_msg);
		}
		else
		{
			return $messageUid;
		}
	}

	/**
	 * importMessageFromVFS2DraftAndEdit
	 *
	 * @param array $formData Array with information of name, type, file and size; file is required,
	 *                               name, type and size may be set here to meet the requirements
	 *						Example: $formData['name']	= 'a_email.eml';
	 *								 $formData['type']	= 'message/rfc822';
	 *								 $formData['file']	= 'vfs://default/home/leithoff/a_email.eml';
	 *								 $formData['size']	= 2136;
	 * @return void
	 */
	function importMessageFromVFS2DraftAndEdit($formData='')
	{
		$this->importMessageFromVFS2DraftAndDisplay($formData,'edit');
	}

	/**
	 * importMessageFromVFS2DraftAndDisplay
	 *
	 * @param array $formData Array with information of name, type, file and size; file is required,
	 *                               name, type and size may be set here to meet the requirements
	 *						Example: $formData['name']	= 'a_email.eml';
	 *								 $formData['type']	= 'message/rfc822';
	 *								 $formData['file']	= 'vfs://default/home/leithoff/a_email.eml';
	 *								 $formData['size']	= 2136;
	 * @param string $mode mode to open ImportedMessage display and edit are supported
	 * @return void
	 */
	function importMessageFromVFS2DraftAndDisplay($formData='',$mode='display')
	{
		if (empty($formData)) if (isset($_REQUEST['formData'])) $formData = $_REQUEST['formData'];
		//error_log(__METHOD__.__LINE__.':'.array2string($formData).' Mode:'.$mode.'->'.function_backtrace());
		$draftFolder = $this->mail_bo->getDraftFolder(false);
		$importID = mail_bo::getRandomString();
		// name should be set to meet the requirements of checkFileBasics
		if (parse_url($formData['file'],PHP_URL_SCHEME) == 'vfs' && (!isset($formData['name']) || empty($formData['name'])))
		{
			$buff = explode('/',$formData['file']);
			$suffix = '';
			if (is_array($buff)) $formData['name'] = array_pop($buff); // take the last part as name
		}
		// type should be set to meet the requirements of checkFileBasics
		if (parse_url($formData['file'],PHP_URL_SCHEME) == 'vfs' && (!isset($formData['type']) || empty($formData['type'])))
		{
			$buff = explode('.',$formData['file']);
			$suffix = '';
			if (is_array($buff)) $suffix = array_pop($buff); // take the last extension to check with ext2mime
			if (!empty($suffix)) $formData['type'] = mime_magic::ext2mime($suffix);
		}
		// size should be set to meet the requirements of checkFileBasics
		if (parse_url($formData['file'],PHP_URL_SCHEME) == 'vfs' && !isset($formData['size']))
		{
			$formData['size'] = strlen($formData['file']); // set some size, to meet requirements of checkFileBasics
		}
		try
		{
			$messageUid = $this->importMessageToFolder($formData,$draftFolder,$importID);
			$linkData = array
			(
		        'menuaction'    => ($mode=='display'?'mail.mail_ui.displayMessage':'mail.mail_compose.composeFromDraft'),
				'id'		=> $this->createRowID($draftFolder,$messageUid,true),
				'deleteDraftOnClose' => 1,
			);
			if ($mode!='display')
			{
				unset($linkData['deleteDraftOnClose']);
				$linkData['method']	='importMessageToMergeAndSend';
			}
			else
			{
				$linkData['mode']=$mode;
			}

		}
		catch (egw_exception_wrong_userinput $e)
		{
		    $linkData = array
		    (
		        'menuaction'    => 'mail.mail_ui.importMessage',
				'msg'		=> htmlspecialchars($e->getMessage()),
		    );
		}
		egw::redirect_link('/index.php',$linkData);
		exit;
	}

	/**
	 * loadEmailBody
	 *
	 * @param string _messageID UID
	 *
	 * @return xajax response
	 */
	function loadEmailBody($_messageID=null,$_partID=null,$_htmloptions=null)
	{
		//error_log(__METHOD__.__LINE__.array2string($_GET));
		if (!$_messageID && !empty($_GET['_messageID'])) $_messageID = $_GET['_messageID'];
		if (!$_partID && !empty($_GET['_partID'])) $_partID = $_GET['_partID'];
		if (!$_htmloptions && !empty($_GET['_htmloptions'])) $_htmloptions = $_GET['_htmloptions'];
		if(mail_bo::$debug) error_log(__METHOD__."->".print_r($_messageID,true).",$_partID,$_htmloptions");
		if (empty($_messageID)) return "";
		$uidA = self::splitRowID($_messageID);
		$folder = $uidA['folder']; // all messages in one set are supposed to be within the same folder
		$messageID = $uidA['msgUID'];
		$bodyResponse = $this->get_load_email_data($messageID,$_partID,$folder,$_htmloptions);
		egw_session::cache_control(true);
		//error_log(array2string($bodyResponse));
		echo $bodyResponse;

	}

	/**
	 * ajax_setFolderStatus - its called via json, so the function must start with ajax (or the class-name must contain ajax)
	 * gets the counters and sets the text of a treenode if needed (unread Messages found)
	 * @param array $_folder folders to refresh its unseen message counters
	 * @return nothing
	 */
	function ajax_setFolderStatus($_folder)
	{
		translation::add_app('mail');
		//error_log(__METHOD__.__LINE__.array2string($_folder));
		if ($_folder)
		{
			$this->mail_bo->getHierarchyDelimiter(false);
			$oA = array();
			foreach ($_folder as $_folderName)
			{
				list($profileID,$folderName) = explode(self::$delimiter,$_folderName,2);
				if (is_numeric($profileID))
				{
					if ($profileID != $this->mail_bo->profileID) continue; // only current connection
					if ($folderName)
					{
						$fS = $this->mail_bo->getFolderStatus($folderName,false,false,false);
						if (in_array($fS['shortDisplayName'],mail_bo::$autoFolders)) $fS['shortDisplayName']=lang($fS['shortDisplayName']);
						//error_log(__METHOD__.__LINE__.array2string($fS));
						if ($fS['unseen'])
						{
							$oA[$_folderName] = $fS['shortDisplayName'].' ('.$fS['unseen'].')';
						}
						if ($fS['unseen']==0 && $fS['shortDisplayName'])
						{
							$oA[$_folderName] = $fS['shortDisplayName'];
						}
					}
				}
			}
			//error_log(__METHOD__.__LINE__.array2string($oA));
			if ($oA)
			{
				$response = egw_json_response::get();
				$response->call('app.mail.mail_setFolderStatus',$oA);
			}
		}
	}

	/**
	 * ajax_addFolder - its called via json, so the function must start with ajax (or the class-name must contain ajax)
	 * @param string $_parentFolderName folder to add a folder to
	 * @param string $_newName new foldername
	 * @return nothing
	 */
	function ajax_addFolder($_parentFolderName, $_newName)
	{
		//error_log(__METHOD__.__LINE__.' ParentFolderName:'.array2string($_parentFolderName).' NewName/Folder:'.array2string($_newName));
		if ($_parentFolderName)
		{
			$created = false;
			$decodedFolderName = $this->mail_bo->decodeEntityFolderName($_parentFolderName);
			//the conversion is handeled by horde, frontend interaction is all utf-8
			$_newName = $this->mail_bo->decodeEntityFolderName($_newName);
			$del = $this->mail_bo->getHierarchyDelimiter(false);
			list($profileID,$parentFolderName) = explode(self::$delimiter,$decodedFolderName,2);
			if (is_numeric($profileID))
			{
				if ($profileID != $this->mail_bo->profileID) return; // only current connection
				$nA = explode($del,$_newName);

				//error_log(__METHOD__.__LINE__."$folderName, $parentFolder, $_newName");
				$oldFolderInfo = $this->mail_bo->getFolderStatus($parentFolderName,false);
				//error_log(__METHOD__.__LINE__.array2string($oldFolderInfo));

				$this->mail_bo->reopen('INBOX');
				$parentName = $parentFolderName;
				// if newName has delimiter ($del) in it, we need to create the subtree
				if (!empty($nA))
				{
					$c=0;
					foreach($nA as $sTName)
					{
						if(($parentFolderName = $this->mail_bo->createFolder($parentFolderName, $sTName, true)))
						{
							$c++;
						}
					}
					if ($c==count($nA)) $created=true;
				}
				$this->mail_bo->reopen($parentName);
			}
			//error_log(__METHOD__.__LINE__.array2string($oA));
			if ($created===true)
			{
				$this->mail_bo->resetFolderObjectCache($profileID);
				$response = egw_json_response::get();
				$response->call('app.mail.mail_reloadNode',array($_parentFolderName=>$oldFolderInfo['shortDisplayName']));
			}
		}
	}

	/**
	 * ajax_renameFolder - its called via json, so the function must start with ajax (or the class-name must contain ajax)
	 * @param string $_folderName folder to rename and refresh
	 * @param string $_newName new foldername
	 * @return nothing
	 */
	function ajax_renameFolder($_folderName, $_newName)
	{
		//error_log(__METHOD__.__LINE__.' OldFolderName:'.array2string($_folderName).' NewName:'.array2string($_newName));
		if ($_folderName)
		{
			translation::add_app('mail');
			$decodedFolderName = $this->mail_bo->decodeEntityFolderName($_folderName);
			$_newName = $this->mail_bo->decodeEntityFolderName($_newName);
			$del = $this->mail_bo->getHierarchyDelimiter(false);
			$oA = array();
			list($profileID,$folderName) = explode(self::$delimiter,$decodedFolderName,2);
			$hasChildren = false;
			if (is_numeric($profileID))
			{
				if ($profileID != $this->mail_bo->profileID) return; // only current connection
				$pA = explode($del,$folderName);
				array_pop($pA);
				$parentFolder = implode($del,$pA);
				if (strtoupper($folderName)!= 'INBOX')
				{
					//error_log(__METHOD__.__LINE__."$folderName, $parentFolder, $_newName");
					$oldFolderInfo = $this->mail_bo->getFolderStatus($folderName,false);
					//error_log(__METHOD__.__LINE__.array2string($oldFolderInfo));
					if (!empty($oldFolderInfo['attributes']) && stripos(array2string($oldFolderInfo['attributes']),'\hasnochildren')=== false)
					{
						$hasChildren=true; // translates to: hasChildren -> dynamicLoading
						$delimiter = $this->mail_bo->getHierarchyDelimiter();
						$nameSpace = $this->mail_bo->_getNameSpaces();
						$prefix = $this->mail_bo->getFolderPrefixFromNamespace($nameSpace, $folderName);
						//error_log(__METHOD__.__LINE__.'->'."$_folderName, $delimiter, $prefix");
						$fragments = array();
						$subFolders = $this->mail_bo->getMailBoxesRecursive($folderName, $delimiter, $prefix);
						foreach ($subFolders as $k => $folder)
						{
							// we do not monitor failure or success on subfolders
							if ($folder == $folderName)
							{
								unset($subFolders[$k]);
							}
							else
							{
								$rv = $this->mail_bo->subscribe($folder, false);
								$fragments[$profileID.self::$delimiter.$folder] = substr($folder,strlen($folderName));
							}
						}
						//error_log(__METHOD__.__LINE__.' Fetched Subfolders->'.array2string($fragments));
					}

					$this->mail_bo->reopen('INBOX');
					$success = false;
					try
					{
						if(($newFolderName = $this->mail_bo->renameFolder($folderName, $parentFolder, $_newName)))
						{
							$this->mail_bo->resetFolderObjectCache($profileID);
							//enforce the subscription to the newly named server, as it seems to fail for names with umlauts
							$rv = $this->mail_bo->subscribe($newFolderName, true);
							$rv = $this->mail_bo->subscribe($folderName, false);
							$success = true;
						}
					}
					catch (Exception $e)
					{
						$newFolderName=$folderName;
						$msg = $e->getMessage();
					}
					$this->mail_bo->reopen($newFolderName);
					$fS = $this->mail_bo->getFolderStatus($newFolderName,false);
					//error_log(__METHOD__.__LINE__.array2string($fS));
					if ($hasChildren)
					{
						$subFolders = $this->mail_bo->getMailBoxesRecursive($newFolderName, $delimiter, $prefix);
						foreach ($subFolders as $k => $folder)
						{
							// we do not monitor failure or success on subfolders
							if ($folder == $folderName)
							{
								unset($subFolders[$k]);
							}
							else
							{
								$rv = $this->mail_bo->subscribe($folder, true);
							}
						}
						//error_log(__METHOD__.__LINE__.' Fetched Subfolders->'.array2string($subFolders));
					}

					$oA[$_folderName]['id'] = $profileID.self::$delimiter.$newFolderName;
					$oA[$_folderName]['olddesc'] = $oldFolderInfo['shortDisplayName'];
					if ($fS['unseen'])
					{
						$oA[$_folderName]['desc'] = $fS['shortDisplayName'].' ('.$fS['unseen'].')';

					}
					else
					{
						$oA[$_folderName]['desc'] = $fS['shortDisplayName'];
					}
					foreach($fragments as $oldFolderName => $fragment)
					{
						//error_log(__METHOD__.__LINE__.':'.$oldFolderName.'->'.$profileID.self::$delimiter.$newFolderName.$fragment);
						$oA[$oldFolderName]['id'] = $profileID.self::$delimiter.$newFolderName.$fragment;
						$oA[$oldFolderName]['olddesc'] = '#skip-user-interaction-message#';
						$fS = $this->mail_bo->getFolderStatus($newFolderName.$fragment,false);
						if ($fS['unseen'])
						{
							$oA[$oldFolderName]['desc'] = $fS['shortDisplayName'].' ('.$fS['unseen'].')';

						}
						else
						{
							$oA[$oldFolderName]['desc'] = $fS['shortDisplayName'];
						}
					}
				}
			}
			if ($folderName==$this->mail_bo->sessionData['mailbox'])
			{
				$this->mail_bo->sessionData['mailbox']=$newFolderName;
				$this->mail_bo->saveSessionData();
			}
			//error_log(__METHOD__.__LINE__.array2string($oA));
			$response = egw_json_response::get();
			if ($oA && $success)
			{
				$response->call('app.mail.mail_setLeaf',$oA);
			}
			else
			{
				$response->call('egw.refresh',lang('failed to rename %1 ! Reason: %2',$oldFolderName,$msg),'mail');
			}
		}
	}

	/**
	 * reload node
	 *
	 * @param string _folderName  folder to reload
	 * @param boolean $_subscribedOnly = true
	 * @return void
	 */
	function ajax_reloadNode($_folderName,$_subscribedOnly=true)
	{
		translation::add_app('mail');
		$oldPrefForSubscribedOnly = !$this->mail_bo->mailPreferences['showAllFoldersInFolderPane'];

		// prefs are plain prefs; we discussed an approach to have user only prefs, and
		// set them on rightclick action on foldertree
		//error_log(__METHOD__.__LINE__.' showAllFoldersInFolderPane:'.$this->mail_bo->mailPreferences['showAllFoldersInFolderPane'].'/'.$GLOBALS['egw_info']['user']['preferences']['mail']['showAllFoldersInFolderPane']);

		$decodedFolderName = $this->mail_bo->decodeEntityFolderName($_folderName);
		$this->mail_bo->getHierarchyDelimiter(false);
		list($profileID,$folderName) = explode(self::$delimiter,$decodedFolderName,2);
		// if pref and required mode dont match -> reset the folderObject cache to ensure
		// that we get what we request
		if ($_subscribedOnly != $oldPrefForSubscribedOnly) $this->mail_bo->resetFolderObjectCache($profileID);
		if ($profileID != $this->mail_bo->profileID) return; // only current connection
		if (!empty($folderName))
		{
			$parentFolder=(!empty($folderName)?$folderName:'INBOX');
			$folderInfo = $this->mail_bo->getFolderStatus($parentFolder,false,false,false);
			if ($folderInfo['unseen'])
			{
				$folderInfo['shortDisplayName'] = $folderInfo['shortDisplayName'].' ('.$folderInfo['unseen'].')';
			}
			if ($folderInfo['unseen']==0 && $folderInfo['shortDisplayName'])
			{
				$folderInfo['shortDisplayName'] = $folderInfo['shortDisplayName'];
			}

			$refreshData = array(
				$profileID.self::$delimiter.$parentFolder=>$folderInfo['shortDisplayName']);
		}
		else
		{
			$refreshData = array(
				$profileID=>lang('INBOX')//string with no meaning lateron
			);
		}
		// Send full info back in the response
		$response = egw_json_response::get();
		foreach($refreshData as $folder => &$name)
		{
			$name = $this->getFolderTree(true, $folder, $_subscribedOnly);
		}
		$response->call('app.mail.mail_reloadNode',$refreshData);

	}

	/**
	 * move folder
	 *
	 * @param string _folderName  folder to vove
	 * @param string _target target folder
	 *
	 * @return void
	 */
	function ajax_MoveFolder($_folderName, $_target)
	{
		//error_log(__METHOD__.__LINE__."Move Folder: $_folderName to Target: $_target");
		if ($_folderName)
		{
			$decodedFolderName = $this->mail_bo->decodeEntityFolderName($_folderName);
			$_newLocation = $this->mail_bo->decodeEntityFolderName($_target);
			$del = $this->mail_bo->getHierarchyDelimiter(false);
			list($profileID,$folderName) = explode(self::$delimiter,$decodedFolderName,2);
			list($newProfileID,$_newLocation) = explode(self::$delimiter,$_newLocation,2);
			$hasChildren = false;
			if (is_numeric($profileID))
			{
				if ($profileID != $this->mail_bo->profileID || $profileID != $newProfileID) return; // only current connection
				$pA = explode($del,$folderName);
				$namePart = array_pop($pA);
				$_newName = $namePart;
				$oldParentFolder = implode($del,$pA);
				$parentFolder = $_newLocation;

				if (strtoupper($folderName)!= 'INBOX' &&
					(($oldParentFolder === $parentFolder) || //$oldParentFolder == $parentFolder means move on same level
					(($oldParentFolder != $parentFolder &&
					strlen($parentFolder)>0 && strlen($folderName)>0 &&
					strpos($parentFolder,$folderName)===false)))) // indicates that we move the older up the tree within its own branch
				{
					//error_log(__METHOD__.__LINE__."$folderName, $parentFolder, $_newName");
					$oldFolderInfo = $this->mail_bo->getFolderStatus($folderName,false,false,false);
					//error_log(__METHOD__.__LINE__.array2string($oldFolderInfo));
					if (!empty($oldFolderInfo['attributes']) && stripos(array2string($oldFolderInfo['attributes']),'\hasnochildren')=== false)
					{
						$hasChildren=true; // translates to: hasChildren -> dynamicLoading
						$delimiter = $this->mail_bo->getHierarchyDelimiter();
						$nameSpace = $this->mail_bo->_getNameSpaces();
						$prefix = $this->mail_bo->getFolderPrefixFromNamespace($nameSpace, $folderName);
						//error_log(__METHOD__.__LINE__.'->'."$_folderName, $delimiter, $prefix");
						
						$subFolders = $this->mail_bo->getMailBoxesRecursive($folderName, $delimiter, $prefix);
						foreach ($subFolders as $k => $folder)
						{
							// we do not monitor failure or success on subfolders
							if ($folder == $folderName)
							{
								unset($subFolders[$k]);
							}
							else
							{
								$rv = $this->mail_bo->subscribe($folder, false);
							}
						}
					}

					$this->mail_bo->reopen('INBOX');
					$success = false;
					try
					{
						if(($newFolderName = $this->mail_bo->renameFolder($folderName, $parentFolder, $_newName)))
						{
							$this->mail_bo->resetFolderObjectCache($profileID);
							//enforce the subscription to the newly named server, as it seems to fail for names with umlauts
							$rv = $this->mail_bo->subscribe($newFolderName, true);
							$rv = $this->mail_bo->subscribe($folderName, false);
							$this->mail_bo->resetFolderObjectCache($profileID);
							$success = true;
						}
					}
					catch (Exception $e)
					{
						$newFolderName=$folderName;
						$msg = $e->getMessage();
					}
					$this->mail_bo->reopen($parentFolder);
					$this->mail_bo->getFolderStatus($parentFolder,false,false,false);
					//error_log(__METHOD__.__LINE__.array2string($fS));
					if ($hasChildren)
					{
						$subFolders = $this->mail_bo->getMailBoxesRecursive($parentFolder, $delimiter, $prefix);
						foreach ($subFolders as $k => $folder)
						{
							// we do not monitor failure or success on subfolders
							if ($folder == $folderName)
							{
								unset($subFolders[$k]);
							}
							else
							{
								$rv = $this->mail_bo->subscribe($folder, true);
							}
						}
						//error_log(__METHOD__.__LINE__.' Fetched Subfolders->'.array2string($subFolders));
					}
				}
			}
			if ($folderName==$this->mail_bo->sessionData['mailbox'])
			{
				$this->mail_bo->sessionData['mailbox']=$newFolderName;
				$this->mail_bo->saveSessionData();
			}
			//error_log(__METHOD__.__LINE__.array2string($oA));
			$response = egw_json_response::get();
			if ($success)
			{
				translation::add_app('mail');

				$oldFolderInfo = $this->mail_bo->getFolderStatus($oldParentFolder,false,false,false);
				$folderInfo = $this->mail_bo->getFolderStatus($parentFolder,false,false,false);
				$refreshData = array(
					$profileID.self::$delimiter.$oldParentFolder=>$oldFolderInfo['shortDisplayName'],
					$profileID.self::$delimiter.$parentFolder=>$folderInfo['shortDisplayName']);
				// if we move the folder within the same parent-branch of the tree, there is no need no refresh the upper part
				if (strlen($parentFolder)>strlen($oldParentFolder) && strpos($parentFolder,$oldParentFolder)!==false) unset($refreshData[$profileID.self::$delimiter.$parentFolder]);
				if (count($refreshData)>1 && strlen($oldParentFolder)>strlen($parentFolder) && strpos($oldParentFolder,$parentFolder)!==false) unset($refreshData[$profileID.self::$delimiter.$oldParentFolder]);

				// Send full info back in the response
				foreach($refreshData as $folder => &$name)
				{
					$name = $this->getFolderTree(true, $folder, !$this->mail_bo->mailPreferences['showAllFoldersInFolderPane']);
				}
				$response->call('app.mail.mail_reloadNode',$refreshData);

			}
			else
			{
				$response->call('egw.refresh',lang('failed to move %1 ! Reason: %2',$folderName,$msg),'mail');
			}
		}
	}

	/**
	 * ajax_deleteFolder - its called via json, so the function must start with ajax (or the class-name must contain ajax)
	 * @param string $_folderName folder to delete
	 * @return nothing
	 */
	function ajax_deleteFolder($_folderName)
	{
		//error_log(__METHOD__.__LINE__.' OldFolderName:'.array2string($_folderName));
		$success = false;
		if ($_folderName)
		{
			$decodedFolderName = $this->mail_bo->decodeEntityFolderName($_folderName);
			$del = $this->mail_bo->getHierarchyDelimiter(false);
			$oA = array();
			list($profileID,$folderName) = explode(self::$delimiter,$decodedFolderName,2);
			$hasChildren = false;
			if (is_numeric($profileID))
			{
				if ($profileID != $this->mail_bo->profileID) return; // only current connection
				$pA = explode($del,$folderName);
				array_pop($pA);
				if (strtoupper($folderName)!= 'INBOX')
				{
					//error_log(__METHOD__.__LINE__."$folderName,  implode($del,$pA), $_newName");
					$oA = array();
					$subFolders = array();
					$oldFolderInfo = $this->mail_bo->getFolderStatus($folderName,false,false,false);
					//error_log(__METHOD__.__LINE__.array2string($oldFolderInfo));
					if (!empty($oldFolderInfo['attributes']) && stripos(array2string($oldFolderInfo['attributes']),'\hasnochildren')=== false)
					{
						$hasChildren=true; // translates to: hasChildren -> dynamicLoading
						$ftD = array();
						$delimiter = $this->mail_bo->getHierarchyDelimiter();
						$nameSpace = $this->mail_bo->_getNameSpaces();
						$prefix = $this->mail_bo->getFolderPrefixFromNamespace($nameSpace, $folderName);
						//error_log(__METHOD__.__LINE__.'->'."$_folderName, $delimiter, $prefix");
						$subFolders = $this->mail_bo->getMailBoxesRecursive($folderName, $delimiter, $prefix);
						//error_log(__METHOD__.__LINE__.'->'."$folderName, $delimiter, $prefix");
						foreach ($subFolders as $k => $f)
						{
							$ftD[substr_count($f,$delimiter)][]=$f;
						}
						krsort($ftD,SORT_NUMERIC);//sort per level
						//we iterate per level of depth of the subtree, deepest nesting is to be deleted first, and then up the tree
						foreach($ftD as $k => $lc)//collection per level
						{
							foreach($lc as $i => $f)//folders contained in that level
							{
								try
								{
									//error_log(__METHOD__.__LINE__.array2string($f).'<->'.$folderName);
									$this->mail_bo->deleteFolder($f);
									$success = true;
									if ($f==$folderName) $oA[$_folderName] = $oldFolderInfo['shortDisplayName'];
								}
								catch (Exception $e)
								{
									$msg .= ($msg?' ':'').lang("Failed to delete %1. Server responded:",$f).$e->getMessage();
									$success = false;
								}
							}
						}
					}
					else
					{
						try
						{
							$this->mail_bo->deleteFolder($folderName);
							$success = true;
							$oA[$_folderName] = $oldFolderInfo['shortDisplayName'];
						}
						catch (Exception $e)
						{
							$msg = $e->getMessage();
							$success = false;
						}
					}
				}
				else
				{
					$msg = lang("refused to delete folder INBOX");
				}
			}
			$response = egw_json_response::get();
			if ($success)
			{
				$folders2return = egw_cache::getCache(egw_cache::INSTANCE,'email','folderObjects'.trim($GLOBALS['egw_info']['user']['account_id']),null,array(),$expiration=60*60*1);
				if (isset($folders2return[$this->mail_bo->profileID]))
				{
					//error_log(__METHOD__.__LINE__.array2string($folders2return[$this->mail_bo->profileID]));
					if (empty($subFolders)) $subFolders = array($folderName);
					//error_log(__METHOD__.__LINE__.array2string($subFolders));
					foreach($subFolders as $i => $f)
					{
						//error_log(__METHOD__.__LINE__.$f.'->'.array2string($folders2return[$this->mail_bo->profileID][$f]));
						if (isset($folders2return[$this->mail_bo->profileID][$f])) unset($folders2return[$this->mail_bo->profileID][$f]);
					}
				}
				egw_cache::setCache(egw_cache::INSTANCE,'email','folderObjects'.trim($GLOBALS['egw_info']['user']['account_id']),$folders2return, $expiration=60*60*1);
				//error_log(__METHOD__.__LINE__.array2string($oA));
				$response->call('app.mail.mail_removeLeaf',$oA);
			}
			else
			{
				$response->call('egw.refresh',lang('failed to delete %1 ! Reason: %2',$oldFolderInfo['shortDisplayName'],$msg),'mail');
			}
		}
	}

	/**
	 * empty changeProfile - its called via json, so the function must start with ajax (or the class-name must contain ajax)
	 *
	 * @param int $icServerID New profile / server ID
	 * @param bool $getFolders The client needs the folders for the profile
	 * @return nothing
	 */
	function ajax_changeProfile($icServerID, $getFolders = true)
	{
		$response = egw_json_response::get();

		if ($icServerID && $icServerID != $this->mail_bo->profileID)
		{
			try
			{
				$this->changeProfile($icServerID);
			}
			catch (Exception $e) {
				self::callWizard($e->getMessage(),true);
			}

		}

		// Send full info back in the response
		if($getFolders)
		{
			translation::add_app('mail');

			$refreshData = array(
				$icServerID => $this->getFolderTree(true, $icServerID, !$this->mail_bo->mailPreferences['showAllFoldersInFolderPane'],true)
			);
			$response->call('app.mail.mail_reloadNode',$refreshData);
		}
	}

	/**
	 * ajax_refreshVacationNotice - its called via json, so the function must start with ajax (or the class-name must contain ajax)
	 *	Note: only the activeProfile VacationNotice is refreshed
	 * @param int $icServerID profileId / server ID to work on; may be empty -> then activeProfile is used
	 *						if other than active profile; nothing is done!
	 * @return nothing
	 */
	function ajax_refreshVacationNotice($icServerID=null)
	{
		//error_log(__METHOD__.__LINE__.array2string($icServerId));
		if (empty($icServerID)) $icServerID = $this->mail_bo->profileID;
		if ($icServerID != $this->mail_bo->profileID) return;
		$vacation = $this->gatherVacation();
		//error_log(__METHOD__.__LINE__.array2string($vacation));
		if($vacation) {
			if (is_array($vacation) && ($vacation['status'] == 'on' || $vacation['status']=='by_date'))
			{
				$dtfrmt = $GLOBALS['egw_info']['user']['preferences']['common']['dateformat'];
				$refreshData['vacationnotice'] = lang('Vacation notice is active');
				$refreshData['vacationrange'] = ($vacation['status']=='by_date'? common::show_date($vacation['start_date'],$dtfrmt,true).($vacation['end_date']>$vacation['start_date']?'->'.common::show_date($vacation['end_date']+ 24*3600-1,$dtfrmt,true):''):'');
			}
		}
		if ($vacation==false)
		{
			$refreshData['vacationnotice'] =  '';
			$refreshData['vacationrange'] =  '';
		}
		$response = egw_json_response::get();
		$response->call('app.mail.mail_refreshVacationNotice',$refreshData);
	}

	/**
	 * ajax_refreshFilters - its called via json, so the function must start with ajax (or the class-name must contain ajax)
	 *	Note: only the activeProfile Filters are refreshed
	 * @param int $icServerID profileId / server ID to work on; may be empty -> then activeProfile is used
	 *						if other than active profile; nothing is done!
	 * @return nothing
	 */
	function ajax_refreshFilters($icServerID=null)
	{
		//error_log(__METHOD__.__LINE__.array2string($icServerId));
		if (empty($icServerID)) $icServerID = $this->mail_bo->profileID;
		if (is_null(emailadmin_imapbase::$supportsORinQuery) || !isset(emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID]))
		{
			emailadmin_imapbase::$supportsORinQuery = egw_cache::getCache(egw_cache::INSTANCE,'email','supportsORinQuery'.trim($GLOBALS['egw_info']['user']['account_id']), null, array(), 60*60*10);
			if (!isset(emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID])) emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID]=true;
		}
		if (!emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID])
		{
			unset($this->searchTypes['quick']);
		}
		if ( $this->mail_bo->icServer->hasCapability('SUPPORTS_KEYWORDS'))
		{
			$this->statusTypes = array_merge($this->statusTypes,array(
				'keyword1'	=> 'important',//lang('important'),
				'keyword2'	=> 'job',	//lang('job'),
				'keyword3'	=> 'personal',//lang('personal'),
				'keyword4'	=> 'to do',	//lang('to do'),
				'keyword5'	=> 'later',	//lang('later'),
			));
		}
		else
		{
			$keywords = array('keyword1','keyword2','keyword3','keyword4','keyword5');
			foreach($keywords as &$k)
			{
				if (array_key_exists($k,$this->statusTypes)) unset($this->statusTypes[$k]);
			}
		}

		$response = egw_json_response::get();
		$response->call('app.mail.mail_refreshFilter2Options',$this->searchTypes);
		$response->call('app.mail.mail_refreshFilterOptions',$this->statusTypes);

	}

	/**
	 * ajax_refreshQuotaDisplay - its called via json, so the function must start with ajax (or the class-name must contain ajax)
	 *
	 * @return nothing
	 */
	function ajax_refreshQuotaDisplay($icServerID=null)
	{
		//error_log(__METHOD__.__LINE__.array2string($icServerID));
		translation::add_app('mail');
		if (is_null($icServerID)) $icServerID = $this->mail_bo->profileID;
		$rememberServerID = $this->mail_bo->profileID;
		if ($icServerID && $icServerID != $this->mail_bo->profileID)
		{
			//error_log(__METHOD__.__LINE__.' change Profile to ->'.$icServerID);
			$this->changeProfile($icServerID);
		}
		try
		{
			$quota = $this->mail_bo->getQuotaRoot();
		} catch (Exception $e) {
			$quota['limit'] = 'NOT SET';
		}

		if($quota !== false && $quota['limit'] != 'NOT SET') {
			$quotainfo = $this->quotaDisplay($quota['usage'], $quota['limit']);
			$content['quota'] = $sel_options[self::$nm_index]['quota'] = $quotainfo['text'];
			$content['quotainpercent'] = $sel_options[self::$nm_index]['quotainpercent'] =  (string)$quotainfo['percent'];
			$content['quotaclass'] = $sel_options[self::$nm_index]['quotaclass'] = $quotainfo['class'];
			$content['quotanotsupported'] = $sel_options[self::$nm_index]['quotanotsupported'] = "";
		} else {
			$content['quota'] = $sel_options[self::$nm_index]['quota'] = lang("Quota not provided by server");
			$content['quotaclass'] = $sel_options[self::$nm_index]['quotaclass'] = "mail_DisplayNone";
			$content['quotanotsupported'] = $sel_options[self::$nm_index]['quotanotsupported'] = "mail_DisplayNone";
		}
		if ($rememberServerID != $this->mail_bo->profileID)
		{
			//error_log(__METHOD__.__LINE__.' change Profile to ->'.$rememberServerID);
			$this->changeProfile($rememberServerID);
		}
		$response = egw_json_response::get();
		$response->call('app.mail.mail_setQuotaDisplay',array('data'=>$content));
	}

	/**
	 * empty trash folder - its called via json, so the function must start with ajax (or the class-name must contain ajax)
	 *
	 * @param string $icServerID id of the server to empty its trashFolder
	 * @return nothing
	 */
	function ajax_emptyTrash($icServerID)
	{
		//error_log(__METHOD__.__LINE__.' '.$icServerID);
		translation::add_app('mail');

		$rememberServerID = $this->mail_bo->profileID;
		if ($icServerID && $icServerID != $this->mail_bo->profileID)
		{
			//error_log(__METHOD__.__LINE__.' change Profile to ->'.$icServerID);
			$this->changeProfile($icServerID);
		}
		$trashFolder = $this->mail_bo->getTrashFolder();
		if(!empty($trashFolder)) {
			$this->mail_bo->compressFolder($trashFolder);
		}
		if ($rememberServerID != $this->mail_bo->profileID)
		{
			$oldFolderInfo = $this->mail_bo->getFolderStatus($trashFolder,false,false,false);
			$response = egw_json_response::get();
			$response->call('egw.message',lang('empty trash'));
			$response->call('app.mail.mail_reloadNode',array($icServerID.self::$delimiter.$trashFolder=>$oldFolderInfo['shortDisplayName']));
			//error_log(__METHOD__.__LINE__.' change Profile to ->'.$rememberServerID);
			$this->changeProfile($rememberServerID);
		}
		else
		{
			$response = egw_json_response::get();
			$response->call('egw.refresh',lang('empty trash'),'mail');
		}
	}

	/**
	 * compress folder - its called via json, so the function must start with ajax (or the class-name must contain ajax)
	 * fetches the current folder from session and compresses it
	 * @param string $_folderName id of the folder to compress
	 * @return nothing
	 */
	function ajax_compressFolder($_folderName)
	{
		//error_log(__METHOD__.__LINE__.' '.$_folderName);
		translation::add_app('mail');

		$this->mail_bo->restoreSessionData();
		$decodedFolderName = $this->mail_bo->decodeEntityFolderName($_folderName);
		list($icServerID,$folderName) = explode(self::$delimiter,$decodedFolderName,2);

		if (empty($folderName)) $folderName = $this->mail_bo->sessionData['mailbox'];
		if ($this->mail_bo->folderExists($folderName))
		{
			$rememberServerID = $this->mail_bo->profileID;
			if ($icServerID && $icServerID != $this->mail_bo->profileID)
			{
				//error_log(__METHOD__.__LINE__.' change Profile to ->'.$icServerID);
				$this->changeProfile($icServerID);
			}
			if(!empty($folder)) {
				$this->mail_bo->compressFolder($folderName);
			}
			if ($rememberServerID != $this->mail_bo->profileID)
			{
				//error_log(__METHOD__.__LINE__.' change Profile to ->'.$rememberServerID);
				$this->changeProfile($rememberServerID);
			}
			$response = egw_json_response::get();
			$response->call('egw.refresh',lang('compress folder').': '.$folderName,'mail');
		}
	}

	/**
	 * sendMDN, ...
	 *
	 * @param array _messageList list of UID's
	 *
	 * @return nothing
	 */
	function ajax_sendMDN($_messageList)
	{
		if(mail_bo::$debug) error_log(__METHOD__."->".array2string($_messageList));
		$uidA = self::splitRowID($_messageList['msg'][0]);
		$folder = $uidA['folder']; // all messages in one set are supposed to be within the same folder
		$this->mail_bo->sendMDN($uidA['msgUID'],$folder);
	}

	/**
	 * flag messages as read, unread, flagged, ...
	 *
	 * @param string _flag name of the flag
	 * @param array _messageList list of UID's
	 * @param bool _sendJsonResponse tell fuction to send the JsonResponse
	 *
	 * @return xajax response
	 */
	function ajax_flagMessages($_flag, $_messageList, $_sendJsonResponse=true)
	{
		if(mail_bo::$debug) error_log(__METHOD__."->".$_flag.':'.array2string($_messageList));
		$alreadyFlagged=false;
		$flag2check='';
		$filter2toggle = $query = array();
		if ($_messageList=='all' || !empty($_messageList['msg']))
		{
			if (isset($_messageList['all']) && $_messageList['all'])
			{
				// we have both messageIds AND allFlag folder information
				$uidA = self::splitRowID($_messageList['msg'][0]);
				$folder = $uidA['folder']; // all messages in one set are supposed to be within the same folder
				if (isset($_messageList['activeFilters']) && $_messageList['activeFilters'])
				{
					$query = $_messageList['activeFilters'];
					if (!empty($query['search']) || !empty($query['filter']))
					{
						//([filterName] => Schnellsuche[type] => quick[string] => ebay[status] => any
						if (is_null(emailadmin_imapbase::$supportsORinQuery) || !isset(emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID]))
						{
							emailadmin_imapbase::$supportsORinQuery = egw_cache::getCache(egw_cache::INSTANCE,'email','supportsORinQuery'.trim($GLOBALS['egw_info']['user']['account_id']), null, array(), 60*60*10);
							if (!isset(emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID])) emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID]=true;
						}
						$filter = $filter2toggle = array('filterName' => (emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID]?lang('quicksearch'):lang('subject')),'type' => ($query['filter2']?$query['filter2']:(emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID]?'quick':'subject')),'string' => $query['search'],'status' => 'any');
					}
					else
					{
						$filter = $filter2toggle = array();
					}
					// flags read,flagged,label1,label2,label3,label4,label5 can be toggled: handle this when all mails in a folder
					// should be affected serverside. here.
					$messageList = $messageListForToggle = array();
					$flag2check = ($_flag=='read'?'seen':$_flag);
					if (in_array($_flag,array('read','flagged','label1','label2','label3','label4','label5')) &&
						!($flag2check==$query['filter'] || stripos($query['filter'],$flag2check)!==false))
					{
						$filter2toggle['status'] = array('un'.$_flag);
						if ($query['filter'] && $query['filter']!='any')
						{
							$filter2toggle['status'][] = $query['filter'];
						}
						$_sRt = $this->mail_bo->getSortedList(
							$folder,
							$sort=0,
							$reverse=1,
							$filter2toggle,
							$rByUid=true,
							false
						);
						$messageListForToggle = $_sRt['match']->ids;
						$filter['status'] = array($_flag);
						if ($query['filter'] && $query['filter'] !='any')
						{
							$filter['status'][] = $query['filter'];
						}
						$_sR = $this->mail_bo->getSortedList(
							$folder,
							$sort=0,
							$reverse=1,
							$filter,
							$rByUid=true,
							false
						);
						$messageList = $_sR['match']->ids;
						if (count($messageListForToggle)>0)
						{
							$flag2set = (strtolower($_flag));
							//error_log(__METHOD__.__LINE__." toggle un$_flag -> $flag2set ".array2string($filter2toggle).array2string($messageListForToggle));
							$this->mail_bo->flagMessages($flag2set, $messageListForToggle,$folder);
						}
						if (count($messageList)>0)
						{
							$flag2set = 'un'.$_flag;
							//error_log(__METHOD__.__LINE__." $_flag -> $flag2set ".array2string($filter).array2string($messageList));
							$this->mail_bo->flagMessages($flag2set, $messageList,$folder);
						}
						$alreadyFlagged=true;
					}
					elseif (!empty($filter) &&
						(!in_array($_flag,array('read','flagged','label1','label2','label3','label4','label5')) ||
						(in_array($_flag,array('read','flagged','label1','label2','label3','label4','label5')) &&
						($flag2check==$query['filter'] || stripos($query['filter'],$flag2check)!==false))))
					{
						$_sR = $this->mail_bo->getSortedList(
							$folder,
							$sort=0,
							$reverse=1,
							$filter,
							$rByUid=true,
							false
						);
						$messageList = $_sR['match']->ids;
						unset($_messageList['all']);
						$_messageList['msg'] = array();
					}
					else
					{
						//error_log(__METHOD__.__LINE__." $_flag all ".array2string($filter));
						$alreadyFlagged=true;
						$uidA = self::splitRowID($_messageList['msg'][0]);
						$folder = $uidA['folder']; // all messages in one set are supposed to be within the same folder
						$this->mail_bo->flagMessages($_flag, 'all', $folder);
					}
				}
			}
			else
			{
				$uidA = self::splitRowID($_messageList['msg'][0]);
				$folder = $uidA['folder']; // all messages in one set are supposed to be within the same folder
			}
			if (!$alreadyFlagged)
			{
				foreach($_messageList['msg'] as $rowID)
				{
					$hA = self::splitRowID($rowID);
					$messageList[] = $hA['msgUID'];
				}
				//error_log(__METHOD__.__LINE__." $_flag in $folder:".array2string(((isset($_messageList['all']) && $_messageList['all']) ? 'all':$messageList)));
				$this->mail_bo->flagMessages($_flag, ((isset($_messageList['all']) && $_messageList['all']) ? 'all':$messageList),$folder);
			}
		}
		else
		{
			if(mail_bo::$debug) error_log(__METHOD__."-> No messages selected.");
		}

		if ($_sendJsonResponse)
		{
			$response = egw_json_response::get();
			if ($query['filter'] && ($flag2check==$query['filter'] || stripos($query['filter'],$flag2check)!==false))
			{
				$response->call('egw.refresh',lang('flagged %1 messages as %2 in %3',(isset($_messageList['all']) && $_messageList['all']?lang('all'):count($_messageList['msg'])),lang($_flag),$folder),'mail');
			}
			else
			{
				$response->call('egw.message',lang('flagged %1 messages as %2 in %3',(isset($_messageList['all']) && $_messageList['all']?lang('all'):count($_messageList['msg'])),lang($_flag),$folder));
			}
		}
	}

	/**
	 * delete messages
	 *
	 * @param array _messageList list of UID's
	 * @param string _forceDeleteMethod - method of deletion to be enforced
	 * @return xajax response
	 */
	function ajax_deleteMessages($_messageList,$_forceDeleteMethod=null)
	{
		if(mail_bo::$debug) error_log(__METHOD__."->".print_r($_messageList,true).' Method:'.$_forceDeleteMethod);
		$error = null;
		$filtered =  false;
		if ($_messageList=='all' || !empty($_messageList['msg']))
		{
			if (isset($_messageList['all']) && $_messageList['all'])
			{
				// we have both messageIds AND allFlag folder information
				$uidA = self::splitRowID($_messageList['msg'][0]);
				$folder = $uidA['folder']; // all messages in one set are supposed to be within the same folder
				if (isset($_messageList['activeFilters']) && $_messageList['activeFilters'])
				{
					$query = $_messageList['activeFilters'];
					if (!empty($query['search']) || !empty($query['filter']))
					{
						//([filterName] => Schnellsuche[type] => quick[string] => ebay[status] => any
						if (is_null(emailadmin_imapbase::$supportsORinQuery) || !isset(emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID]))
						{
							emailadmin_imapbase::$supportsORinQuery = egw_cache::getCache(egw_cache::INSTANCE,'email','supportsORinQuery'.trim($GLOBALS['egw_info']['user']['account_id']), null, array(), 60*60*10);
							if (!isset(emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID])) emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID]=true;
						}
						$filtered =  true;
						$filter = array('filterName' => (emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID]?lang('quicksearch'):lang('subject')),'type' => ($query['filter2']?$query['filter2']:(emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID]?'quick':'subject')),'string' => $query['search'],'status' => (!empty($query['filter'])?$query['filter']:'any'));
					}
					else
					{
						$filter = array();
					}
					$messageList = array();
					//error_log(__METHOD__.__LINE__."->".print_r($filter,true).' folder:'.$folder.' Method:'.$_forceDeleteMethod);
					$reverse = 1;
					$rByUid = true;
					$_sR = $this->mail_bo->getSortedList(
						$folder,
						$sort=0,
						$reverse,
						$filter,
						$rByUid,
						false
					);
					$messageList = $_sR['match']->ids;
				}
				else
				{
					$messageList='all';
				}
				try
				{
					//error_log(__METHOD__.__LINE__."->".print_r($messageList,true).' folder:'.$folder.' Method:'.$_forceDeleteMethod);
					$this->mail_bo->deleteMessages(($messageList=='all' ? 'all':$messageList),$folder,(empty($_forceDeleteMethod)?'no':$_forceDeleteMethod));
				}
				catch (egw_exception $e)
				{
					$error = str_replace('"',"'",$e->getMessage());
				}
			}
			else
			{
				$uidA = self::splitRowID($_messageList['msg'][0]);
				$folder = $uidA['folder']; // all messages in one set are supposed to be within the same folder
				foreach($_messageList['msg'] as $rowID)
				{
					$hA = self::splitRowID($rowID);
					$messageList[] = $hA['msgUID'];
				}
				try
				{
					//error_log(__METHOD__.__LINE__."->".print_r($messageList,true).' folder:'.$folder.' Method:'.$_forceDeleteMethod);
					$this->mail_bo->deleteMessages($messageList,$folder,(empty($_forceDeleteMethod)?'no':$_forceDeleteMethod));
				}
				catch (egw_exception $e)
				{
					$error = str_replace('"',"'",$e->getMessage());
				}
			}
			$response = egw_json_response::get();
			if (empty($error))
			{
				$response->call('app.mail.mail_deleteMessagesShowResult',array('egw_message'=>lang('deleted %1 messages in %2',($messageList=='all'||$_messageList['all']?($filtered?lang('all filtered'):lang('all')):count($_messageList['msg'])),$folder),'msg'=>$_messageList['msg']));
			}
			else
			{
				$error = str_replace('\n',"\n",lang('mailserver reported:\n%1 \ndo you want to proceed by deleting the selected messages immediately (click ok)?\nif not, please try to empty your trashfolder before continuing. (click cancel)',$error));
				$response->call('app.mail.mail_retryForcedDelete',array('response'=>$error,'messageList'=>$_messageList));
			}
		}
		else
		{
			if(mail_bo::$debug) error_log(__METHOD__."-> No messages selected.");
		}
	}

	/**
	 * copy messages
	 *
	 * @param array _folderName target folder
	 * @param array _messageList list of UID's
	 * @param string _copyOrMove method to use copy or move allowed
	 *
	 * @return xajax response
	 */
	function ajax_copyMessages($_folderName, $_messageList, $_copyOrMove='copy')
	{
		if(mail_bo::$debug) error_log(__METHOD__."->".$_folderName.':'.print_r($_messageList,true).' Method:'.$_copyOrMove);
		$_folderName = $this->mail_bo->decodeEntityFolderName($_folderName);
		// only copy or move are supported as method
		if (!($_copyOrMove=='copy' || $_copyOrMove=='move')) $_copyOrMove='copy';
		list($targetProfileID,$targetFolder) = explode(self::$delimiter,$_folderName,2);
		$lastFoldersUsedForMoveCont = egw_cache::getCache(egw_cache::INSTANCE,'email','lastFolderUsedForMove'.trim($GLOBALS['egw_info']['user']['account_id']),null,array(),$expiration=60*60*1);
		$changeFolderActions = false;
		if (!isset($lastFoldersUsedForMoveCont[$targetProfileID][$targetFolder]))
		{
			if ($lastFoldersUsedForMoveCont[$targetProfileID] && count($lastFoldersUsedForMoveCont[$targetProfileID])>3)
			{
				$keys = array_keys($lastFoldersUsedForMoveCont[$targetProfileID]);
				foreach( $keys as &$f)
				{
					if (count($lastFoldersUsedForMoveCont[$targetProfileID])>3) unset($lastFoldersUsedForMoveCont[$targetProfileID][$f]);
					else break;
				}
				//error_log(__METHOD__.__LINE__.array2string($lastFoldersUsedForMoveCont[$targetProfileID]));
			}
			$lastFoldersUsedForMoveCont[$targetProfileID][$targetFolder]=$_folderName;
			$changeFolderActions = true;
		}
		$filtered = false;
		if ($_messageList=='all' || !empty($_messageList['msg']))
		{
			$error=false;
			if (isset($_messageList['all']) && $_messageList['all'])
			{
				// we have both messageIds AND allFlag folder information
				$uidA = self::splitRowID($_messageList['msg'][0]);
				$folder = $uidA['folder']; // all messages in one set are supposed to be within the same folder
				$sourceProfileID = $uidA['profileID'];
				if (isset($_messageList['activeFilters']) && $_messageList['activeFilters'])
				{
					$query = $_messageList['activeFilters'];
					if (!empty($query['search']) || !empty($query['filter']))
					{
						//([filterName] => Schnellsuche[type] => quick[string] => ebay[status] => any
						if (is_null(emailadmin_imapbase::$supportsORinQuery) || !isset(emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID]))
						{
							emailadmin_imapbase::$supportsORinQuery = egw_cache::getCache(egw_cache::INSTANCE,'email','supportsORinQuery'.trim($GLOBALS['egw_info']['user']['account_id']), null, array(), 60*60*10);
							if (!isset(emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID])) emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID]=true;
						}
						$filtered = true;
						$filter = array('filterName' => (emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID]?lang('quicksearch'):lang('subject')),'type' => ($query['filter2']?$query['filter2']:(emailadmin_imapbase::$supportsORinQuery[$this->mail_bo->profileID]?'quick':'subject')),'string' => $query['search'],'status' => (!empty($query['filter'])?$query['filter']:'any'));
					}
					else
					{
						$filter = array();
					}
					$messageList = array();
					$reverse = 1;
					$rByUid = true;
					$_sR = $this->mail_bo->getSortedList(
						$folder,
						$sort=0,
						$reverse,
						$filter,
						$rByUid=true,
						false
					);
					$messageList = $_sR['match']->ids;
					foreach($messageList as $uID)
					{
						//error_log(__METHOD__.__LINE__.$uID);
						if ($_copyOrMove=='move')
						{
							$messageListForRefresh[] = self::generateRowID($sourceProfileID, $folderName, $uID, $_prependApp=false);
						}
					}
				}
				else
				{
					$messageList='all';
				}
				try
				{
					//error_log(__METHOD__.__LINE__."->".print_r($messageList,true).' folder:'.$folder.' Method:'.$_forceDeleteMethod);
					$this->mail_bo->moveMessages($targetFolder,$messageList,($_copyOrMove=='copy'?false:true),$folder,false,($targetProfileID!=$sourceProfileID?$targetProfileID:null));
				}
				catch (egw_exception $e)
				{
					$error = str_replace('"',"'",$e->getMessage());
				}
			}
			else
			{
				$uidA = self::splitRowID($_messageList['msg'][0]);
				$folder = $uidA['folder']; // all messages in one set are supposed to be within the same folder
				$sourceProfileID = $uidA['profileID'];
				foreach($_messageList['msg'] as $rowID)
				{
					//error_log(__METHOD__.__LINE__.$rowID);
					$hA = self::splitRowID($rowID);
					$messageList[] = $hA['msgUID'];
					if ($_copyOrMove=='move')
					{
						$helpvar = explode(self::$delimiter,$rowID);
						array_shift($helpvar);
						$messageListForRefresh[]= implode(self::$delimiter,$helpvar);
					}
				}
				try
				{
					//error_log(__METHOD__.__LINE__."->".print_r($messageList,true).' folder:'.$folder.' Method:'.$_forceDeleteMethod);
					$this->mail_bo->moveMessages($targetFolder,$messageList,($_copyOrMove=='copy'?false:true),$folder,false,($targetProfileID!=$sourceProfileID?$targetProfileID:null));
				}
				catch (egw_exception $e)
				{
					$error = str_replace('"',"'",$e->getMessage());
				}
			}

			$response = egw_json_response::get();
			if ($error)
			{
				if ($changeFolderActions == false)
				{
					unset($lastFoldersUsedForMoveCont[$targetProfileID][$targetFolder]);
					$changeFolderActions = true;
				}
				$response->call('egw.message',$error,"error");
			}
			else
			{
				if ($_copyOrMove=='copy')
				{
					$response->call('egw.message',lang('copied %1 message(s) from %2 to %3',($messageList=='all'||$_messageList['all']?($filtered?lang('all filtered'):lang('all')):count($messageList)),$folder,$targetFolder));
				}
				else
				{
					$response->call('egw.refresh',lang('moved %1 message(s) from %2 to %3',($messageList=='all'||$_messageList['all']?($filtered?lang('all filtered'):lang('all')):count($messageList)),$folder,$targetFolder),'mail',$messageListForRefresh,'delete');
				}
			}
			if ($changeFolderActions == true)
			{
				egw_cache::setCache(egw_cache::INSTANCE,'email','lastFolderUsedForMove'.trim($GLOBALS['egw_info']['user']['account_id']),$lastFoldersUsedForMoveCont, $expiration=60*60*1);
				$actionsnew = self::get_actions();
				$actionsnew = etemplate_widget_nextmatch::egw_actions($actionsnew);
				$response->call('app.mail.mail_rebuildActionsOnList',$actionsnew);
			}
		}
		else
		{
			if(mail_bo::$debug) error_log(__METHOD__."-> No messages selected.");
		}
	}
}