<?php
	/***************************************************************************\
	* eGroupWare - FeLaMiMail                                                   *
	* http://www.linux-at-work.de                                               *
	* http://www.phpgw.de                                                       *
	* http://www.egroupware.org                                                 *
	* Written by : Lars Kneschke [lkneschke@linux-at-work.de]                   *
	* maintained by Klaus Leithoff												*
	* -------------------------------------------------                         *
	* This program is free software; you can redistribute it and/or modify it   *
	* under the terms of the GNU General Public License as published by the     *
	* Free Software Foundation; version 2 of the License.                       *
	\***************************************************************************/
	/* $Id$ */

	class uifelamimail
	{
		var $public_functions = array
		(
			'addVcard'		=> True,
			'changeFilter'		=> True,
			'changeFolder'		=> True,
			'changeSorting'		=> True,
			'compressFolder'	=> True,
			'importMessage'		=> True,
			'deleteMessage'		=> True,
			'handleButtons'		=> True,
			'hookAdmin'		=> True,
			'toggleFilter'		=> True,
			'viewMainScreen'	=> True
		);
		
		var $mailbox;		// the current folder in use
		var $startMessage;	// the first message to show
		var $sort;		// how to sort the messages
		var $moveNeeded;	// do we need to move some messages?

		var $timeCounter;
		
		// the object storing the data about the incoming imap server
		var $icServerID=0;
		var $connectionStatus = false;
		var $bofelamimail;
		var $bofilter;
		var $bopreferences;
	
		function uifelamimail()
		{
			//error_log(__METHOD__);
			// no autohide of the sidebox, as we use it for folderlist now.
			unset($GLOBALS['egw_info']['user']['preferences']['common']['auto_hide_sidebox']);
			$this->timeCounter = microtime(true);

			$this->displayCharset	= $GLOBALS['egw']->translation->charset();
			$this->bofelamimail     = CreateObject('felamimail.bofelamimail',$this->displayCharset,false);

			$this->bofilter		= CreateObject('felamimail.bofilter',false);
			$this->bopreferences	=& $this->bofelamimail->bopreferences; //CreateObject('felamimail.bopreferences');
			$this->preferences	= $this->bopreferences->getPreferences();

			$this->bofelamimail->saveSessionData();

			$this->mailbox 		= $this->bofelamimail->sessionData['mailbox'];
			$this->startMessage 	= $this->bofelamimail->sessionData['startMessage'];
			$this->sort 		= $this->bofelamimail->sessionData['sort'];
			$this->sortReverse 	= $this->bofelamimail->sessionData['sortReverse'];
			#$this->filter 		= $this->bofelamimail->sessionData['activeFilter'];

			$this->t			= CreateObject('phpgwapi.Template',EGW_APP_TPL);
			#$this->grants[$this->account]	= EGW_ACL_READ + EGW_ACL_ADD + EGW_ACL_EDIT + EGW_ACL_DELETE;
			// this need to fixed
			// this does not belong to here

			if($_GET['menuaction'] != 'felamimail.uifelamimail.hookAdmin' &&
				 $_GET['menuaction'] != 'felamimail.uifelamimail.changeFolder') {
				$this->connectionStatus = $this->bofelamimail->openConnection($this->icServerID);
			}

			$this->rowColor[0] = $GLOBALS['egw_info']["theme"]["row_on"];
			$this->rowColor[1] = $GLOBALS['egw_info']["theme"]["row_off"];

			$this->dataRowColor[0] = $GLOBALS['egw_info']["theme"]["bg01"];
			$this->dataRowColor[1] = $GLOBALS['egw_info']["theme"]["bg02"];
			#print __LINE__ . ': ' . (microtime(true) - $this->timeCounter) . '<br>';
		}

		function addVcard()
		{
			error_log(__METHOD__." called from:".function_backtrace());
			$messageID 	= $_GET['messageID'];
			$partID 	= $_GET['partID'];
			$attachment = $this->bofelamimail->getAttachment($messageID,$partID);
			
			$tmpfname = tempnam ($GLOBALS['egw_info']['server']['temp_dir'], "egw_");
			$fp = fopen($tmpfname, "w");
			fwrite($fp, $attachment['attachment']);
			fclose($fp);
			
			$vcard = CreateObject('phpgwapi.vcard');
			$entry = $vcard->in_file($tmpfname);
			$entry['owner'] = $GLOBALS['egw_info']['user']['account_id'];
			$entry['access'] = 'private';
			$entry['tid'] = 'n';
			
			print quoted_printable_decode($entry['fn'])."<br>";
			
			unlink($tmpfname);
			
			$GLOBALS['egw']->common->egw_exit();
		}
		
		function changeFilter()
		{
			error_log(__METHOD__." called from:".function_backtrace());
			if(isset($_POST["filter"]))
			{
				$data['quickSearch']	= $_POST["quickSearch"];
				$data['filter']		= $_POST["filter"];
				$this->bofilter->updateFilter($data);
			}
			elseif(isset($_GET["filter"]))
			{
				$data['filter']		= $_GET["filter"];
				$this->bofilter->updateFilter($data);
			}
			$this->viewMainScreen();
		}
		
		function changeFolder()
		{
			// change folder
			$this->bofelamimail->sessionData['mailbox']	= urldecode($_GET["mailbox"]);
			$this->bofelamimail->sessionData['startMessage']= 1;
			$this->bofelamimail->sessionData['sort']	= $this->preferences->preferences['sortOrder'];
			$this->bofelamimail->sessionData['activeFilter']= -1;

			$this->bofelamimail->saveSessionData();
			
			$this->mailbox 		= $this->bofelamimail->sessionData['mailbox'];
			$this->startMessage 	= $this->bofelamimail->sessionData['startMessage'];
			$this->sort 		= $this->bofelamimail->sessionData['sort'];
			
			$this->connectionStatus = $this->bofelamimail->openConnection();
			
			$this->viewMainScreen();
		}

		function changeSorting()
		{
			error_log(__METHOD__." called from:".function_backtrace());
			// change sorting
			if(isset($_GET["sort"]))
			{
				$this->bofelamimail->sessionData['sort']	= $_GET["sort"];
				$this->sort					= $_GET["sort"];
	
				$this->bofelamimail->saveSessionData();
			}
			
			$this->viewMainScreen();
		}

		function importMessage()
		{
			error_log(__METHOD__." called from:".function_backtrace());
			if(is_array($_FILES["addFileName"])) {
				#phpinfo();
				#error_log(print_r($_FILES,true));
				if($_FILES['addFileName']['error'] == $UPLOAD_ERR_OK) {
					$formData['name']	= $_FILES['addFileName']['name'];
					$formData['type']	= $_FILES['addFileName']['type'];
					$formData['file']	= $_FILES['addFileName']['tmp_name'];
					$formData['size']	= $_FILES['addFileName']['size'];
					$message = $this->importMessageToFolder($formData);
					print "<script type='text/javascript'>window.close();</script>";
					if (!$message) {
						print "<script type=\"text/javascript\">alert('".lang("Error: ").lang("Could not import Message:").htmlentities($formData['name'])."');</script>";
						return;
					} else {
						$linkData = array(
							'menuaction'	=> 'felamimail.uidisplay.display',
							'uid'		=> $message['uid'],
							'mailbox'    => base64_encode($message['folder']),
						);
						print "<script type=\"text/javascript\">opener.fm_readMessage('".$GLOBALS['egw']->link('/index.php',$linkData)."', 'displayMessage_".$message['uid']."', this);</script>";
						return;
					}
				}
			}
			if(!@is_object($GLOBALS['egw']->js))
			{
				$GLOBALS['egw']->js = CreateObject('phpgwapi.javascript');
			}
			$GLOBALS['egw']->js->validate_file('dhtmlxtree','js/dhtmlXCommon');
			$GLOBALS['egw']->js->validate_file('dhtmlxtree','js/dhtmlXTree');
			$GLOBALS['egw']->js->validate_file('jscode','importMessage','felamimail');
			$GLOBALS['egw']->common->egw_header();

			#$uiwidgets		=& CreateObject('felamimail.uiwidgets');

			$this->t->set_file(array("importMessage" => "importMessage.tpl"));
			$this->t->set_block('importMessage','fileSelector','fileSelector');

			$this->translate();

			$linkData = array
			(
				'menuaction'	=> 'felamimail.uifelamimail.importMessage',
			);
			$this->t->set_var('file_selector_url', $GLOBALS['egw']->link('/index.php',$linkData));

			$maxUploadSize = ini_get('upload_max_filesize');
			$this->t->set_var('max_uploadsize', $maxUploadSize);

			$this->t->set_var('ajax-loader', $GLOBALS['egw']->common->image('felamimail','ajax-loader'));

			$this->t->pparse("out","fileSelector");
		}

		function importMessageToFolder($_formData,$_folder='')
		{
			if ($_formData['size'] != 0 && (is_uploaded_file($_formData['file']) || 
				realpath(dirname($_formData['file'])) == realpath($GLOBALS['egw_info']['server']['temp_dir'])))
			{
				// ensure existance of eGW temp dir
				// note: this is different from apache temp dir, 
				// and different from any other temp file location set in php.ini
				if (!file_exists($GLOBALS['egw_info']['server']['temp_dir']))
				{
					@mkdir($GLOBALS['egw_info']['server']['temp_dir'],0700);
				}
				
				// if we were NOT able to create this temp directory, then make an ERROR report
				if (!file_exists($GLOBALS['egw_info']['server']['temp_dir']))
				{
					$alert_msg .= 'Error:'.'<br>'
						.'Server is unable to access phpgw tmp directory'.'<br>'
						.$GLOBALS['egw_info']['server']['temp_dir'].'<br>'
						.'Please check your configuration'.'<br>'
						.'<br>';
				}
				
				// sometimes PHP is very clue-less about MIME types, and gives NO file_type
				// rfc default for unknown MIME type is:
				$mime_type_default = 'message/rfc';
				// so if PHP did not pass any file_type info, then substitute the rfc default value
				if (substr(strtolower(trim($_formData['type'])),0,strlen($mime_type_default)) != $mime_type_default)
				{
					// fail silently
					error_log("Message rejected, no message/rfc. Is:".$_formData['type']);
					return false;
				}
				
				$tmpFileName = $GLOBALS['egw_info']['server']['temp_dir'].
					SEP.
					$GLOBALS['egw_info']['user']['account_id'].
					basename($_formData['file']);
				
				if (is_uploaded_file($_formData['file']))
				{
					move_uploaded_file($_formData['file'],$tmpFileName);	// requirement for safe_mode!
				}
				else
				{
					rename($_formData['file'],$tmpFileName);
				}
			} else {
				// fail silently
				error_log("Import of message ".$_formData['file']." failes to meet basic restrictions");
				return false;
			}
			// -----------------------------------------------------------------------
			#error_log(print_r($this->preferences->preferences['draftFolder'],true));
			$fhandle = fopen($tmpFileName, "r");
			$headercomplete = false;
			$header = "";
			$body = "";
			while (!feof($fhandle)) {
    			$buffer = fgets($fhandle, 4096);
				if ($headercomplete === false && $buffer == "\r\n") {
					$headercomplete = true;
					continue;
				}
				if ($headercomplete == false) $header.=$buffer;
				if ($headercomplete == true) $body.=$buffer;
				#error_log($buffer);
			}
			fclose ($fhandle);
			if ($_folder == '') $savingDestination = $this->preferences->preferences['draftFolder'];
			if (empty($savingDestination) || $savingDestination == '') $savingDestination = $this->mailbox;
			$message['folder'] = $savingDestination;
			#error_log($header."\n".$body);
			$message['uid'] = $this->bofelamimail->appendMessage($savingDestination,$header,$body,NULL);
			error_log(print_r($message,true));
			unlink($tmpFileName);
			if (!$message['uid']) $message = false;
			return $message;
		}

		function deleteMessage()
		{
			//error_log(__METHOD__." called from:".function_backtrace());
			$preferences		= ExecMethod('felamimail.bopreferences.getPreferences');

			$message[] = $_GET["message"];
			$mailfolder = NULL;
			if (!empty($_GET['folder'])) $mailfolder  = base64_decode($_GET['folder']);
	
			$this->bofelamimail->deleteMessages($message,$mailfolder);

			// set the url to open when refreshing
			$linkData = array
			(
				'menuaction'	=> 'felamimail.uifelamimail.viewMainScreen'
			);
			$refreshURL = $GLOBALS['egw']->link('/index.php',$linkData);

			print "<script type=\"text/javascript\">
			opener.location.href = '" .$refreshURL. "';
			window.close();</script>";
		}
		
		function display_app_header()
		{
			#$GLOBALS['egw']->js->validate_file('foldertree','foldertree');
			$GLOBALS['egw']->js->validate_file('dhtmlxtree','js/dhtmlXCommon');
			$GLOBALS['egw']->js->validate_file('dhtmlxtree','js/dhtmlXTree');
			$GLOBALS['egw']->js->validate_file('jscode','viewMainScreen','felamimail');
			$GLOBALS['egw_info']['flags']['include_xajax'] = True;

			$GLOBALS['egw']->common->egw_header();

			echo parse_navbar();
		}
	
		function handleButtons()
		{
			error_log(__METHOD__." called from:".function_backtrace());
			if($this->moveNeeded == "1")
			{
				$this->bofelamimail->moveMessages($_POST["mailbox"],
									$_POST["msg"]);
			}
			
			elseif(!empty($_POST["mark_deleted"]) &&
				is_array($_POST["msg"]))
			{
				$this->bofelamimail->deleteMessages($_POST["msg"]);
			}
			
			elseif(!empty($_POST["mark_unread"]) &&
				is_array($_POST["msg"]))
			{
				$this->bofelamimail->flagMessages("unread",$_POST["msg"]);
			}
			
			elseif(!empty($_POST["mark_read"]) &&
				is_array($_POST["msg"]))
			{
				$this->bofelamimail->flagMessages("read",$_POST["msg"]);
			}
			
			elseif(!empty($_POST["mark_unflagged"]) &&
				is_array($_POST["msg"]))
			{
				$this->bofelamimail->flagMessages("unflagged",$_POST["msg"]);
			}
			
			elseif(!empty($_POST["mark_flagged"]) &&
				is_array($_POST["msg"]))
			{
				$this->bofelamimail->flagMessages("flagged",$_POST["msg"]);
			}
			

			$this->viewMainScreen();
		}

		function hookAdmin()
		{
			if(!$GLOBALS['egw']->acl->check('run',1,'admin'))
			{
				$GLOBALS['egw']->common->egw_header();
				echo parse_navbar();
				echo lang('access not permitted');
				$GLOBALS['egw']->log->message('F-Abort, Unauthorized access to felamimail.uifelamimail.hookAdmin');
				$GLOBALS['egw']->log->commit();
				$GLOBALS['egw']->common->egw_exit();
			}
			
			if(!empty($_POST['profileID']) && is_int(intval($_POST['profileID'])))
			{
				$profileID = intval($_POST['profileID']);
				$this->bofelamimail->setEMailProfile($profileID);
			}
			
			$boemailadmin = new emailadmin_bo();
			
			$profileList = $boemailadmin->getProfileList();
			$profileID = $this->bofelamimail->getEMailProfile();
			
			$this->display_app_header();
			
			$this->t->set_file(array("body" => "selectprofile.tpl"));
			$this->t->set_block('body','main');
			$this->t->set_block('body','select_option');
			
			$this->t->set_var('lang_select_email_profile',lang('select emailprofile'));
			$this->t->set_var('lang_site_configuration',lang('site configuration'));
			$this->t->set_var('lang_save',lang('save'));
			$this->t->set_var('lang_back',lang('back'));

			$linkData = array
			(
				'menuaction'	=> 'felamimail.uifelamimail.hookAdmin'
			);
			$this->t->set_var('action_url',$GLOBALS['egw']->link('/index.php',$linkData));
			
			$linkData = array
			(
				'menuaction'	=> 'emailadmin.emailadmin_ui.listProfiles'
			);
			$this->t->set_var('lang_go_emailadmin', lang('use <a href="%1">EmailAdmin</a> to create profiles', $GLOBALS['egw']->link('/index.php',$linkData)));
			
			$this->t->set_var('back_url',$GLOBALS['egw']->link('/admin/index.php'));
			
			if(isset($profileList) && is_array($profileList))
			{
				foreach($profileList as $key => $value)
				{
					#print "$key => $value<br>";
					#_debug_array($value);
					$this->t->set_var('profileID',$value['profileID']);
					$this->t->set_var('description',$value['description']);
					if(is_int($profileID) && $profileID == $value['profileID'])
					{
						$this->t->set_var('selected','selected');
					}
					else
					{
						$this->t->set_var('selected','');
					}
					$this->t->parse('select_options','select_option',True);
				}
			}
			
			$this->t->parse("out","main");
			print $this->t->get('out','main');
			
		}

		function viewMainScreen()
		{
			// get passed messages
			if (!empty($_GET["msg"])) $message[] = $_GET["msg"];
			if (!empty($_GET["message"])) $message[] = $_GET["message"];
			unset($_GET["msg"]);
			unset($_GET["message"]);
			#printf ("this->uifelamimail->viewMainScreen() start: %s<br>",date("H:i:s",mktime()));
			$bopreferences	=& $this->bopreferences;
			$bofilter		=& $this->bofilter;
			$uiwidgets		= CreateObject('felamimail.uiwidgets');

			$preferences	=& $bopreferences->getPreferences();
			$urlMailbox		=  urlencode($this->mailbox);

			if (is_object($preferences)) $imapServer 	=& $preferences->getIncomingServer(0);
			#_debug_array($imapServer);
			if (is_object($preferences)) $activeIdentity =& $preferences->getIdentity(0);
			#_debug_array($activeIdentity);
			$maxMessages	=&  $GLOBALS['egw_info']['user']['preferences']['common']['maxmatchs'];
			if (empty($maxMessages)) $maxMessages = 30; // this seems to be the number off messages that fit the height of the folder tree
			$userPreferences	=&  $GLOBALS['egw_info']['user']['preferences']['felamimail'];

			// retrieve data for/from user defined accounts
			$selectedID = 0;
			if($this->preferences->userDefinedAccounts) $allAccountData = $this->bopreferences->getAllAccountData($this->preferences);
			if ($allAccountData) {
				foreach ($allAccountData as $tmpkey => $accountData)
				{
					$identity =& $accountData['identity'];
					$icServer =& $accountData['icServer'];
					//_debug_array($identity);
					//_debug_array($icServer);
					if (empty($icServer->host)) continue;
					$identities[$identity->id]=$identity->realName.' '.$identity->organization.' <'.$identity->emailAddress.'>';
					if (!empty($identity->default)) $selectedID = $identity->id;
				}
			}


			$this->display_app_header();

			$this->t->set_file(array("body" => 'mainscreen.tpl'));
			$this->t->set_block('body','main');
			$this->t->set_block('body','status_row_tpl');
			$this->t->set_block('body','table_header_felamimail');
			$this->t->set_block('body','table_header_outlook');
			$this->t->set_block('body','error_message');
			$this->t->set_block('body','quota_block');
			$this->t->set_block('body','subject_same_window');
			$this->t->set_block('body','subject_new_window');

			$this->translate();
			if (empty($imapServer->host) && count($identities)==0) {
				$errormessage = "<br>".lang("There is no IMAP Server configured.");
				if ($GLOBALS['egw_info']['user']['apps']['emailadmin']) {
					$errormessage .= "<br>".lang("Configure a valid IMAP Server in emailadmin for the profile you are using.");
				} else {
					$errormessage .= "<br>".lang('Please ask the administrator to correct the emailadmin IMAP Server Settings for you.');
				}
				if($this->preferences->userDefinedAccounts)
						$errormessage .= "<br>".lang('or configure an valid IMAP Server connection using the Manage Accounts/Identities preference in the Sidebox Menu.');
		
				$this->t->set_var('connection_error_message', $errormessage);
				$this->t->set_var('message', '&nbsp;');
				$this->t->parse('header_rows','error_message',True);

				$this->t->parse("out","main");
				print $this->t->get('out','main');

				$GLOBALS['egw']->common->egw_footer();
				exit;
			}
			$this->t->set_var('activeFolder',$urlMailbox);
			$this->t->set_var('activeFolderB64',base64_encode($this->mailbox));	
			$this->t->set_var('oldMailbox',$urlMailbox);
			$this->t->set_var('image_path',EGW_IMAGES);
			#printf ("this->uifelamimail->viewMainScreen() Line 272: %s<br>",date("H:i:s",mktime()));
			$linkData = array
			(
				'menuaction'    => 'felamimail.uifelamimail.viewMainScreen'
			);
			$refreshURL = $GLOBALS['egw']->link('/index.php',$linkData);
			$this->t->set_var('reloadView',$refreshURL);
			// display a warning if vacation notice is active
			if(is_a($imapServer,'defaultimap') && $imapServer->enableSieve) {
				$this->bosieve		= CreateObject('felamimail.bosieve',$imapServer);
				$this->bosieve->retrieveRules($this->bosieve->scriptName);
				$vacation = $this->bosieve->getVacation($this->bosieve->scriptName);
				//_debug_array($vacation);
				//    [status] => can be: on, off, by_date
				//    [end_date] => 1247522400 (timestamp, use showdate for visualisation)
				//    [start_date] => 1247176800 (timestamp, use showdate for visualisation)
			}
			if(is_array($vacation) && ($vacation['status'] == 'on' || $vacation['status']=='by_date'))
			{
				$dtfrmt = $GLOBALS['egw_info']['user']['preferences']['common']['dateformat'];
				$this->t->set_var('vacation_warning',
					html::image('phpgwapi','dialog_warning',false,'style="vertical-align: middle; width: 16px;"').lang('Vacation notice is active').($vacation['status']=='by_date'? ' '.common::show_date($vacation['start_date'],$dtfrmt,true).'->'.common::show_date($vacation['end_date'],$dtfrmt,true):''));
			}
			else
			{
				$this->t->set_var('vacation_warning','&nbsp;');
			}
			// ui for the quotas
			if($this->connectionStatus !== false) {
				$quota = $this->bofelamimail->getQuotaRoot();
			} else {
				$quota['limit'] = 'NOT SET';
			}

			if($quota !== false && $quota['limit'] != 'NOT SET') {
				$quotaDisplay = $uiwidgets->quotaDisplay($quota['usage'], $quota['limit']);
				$this->t->set_var('quota_display', $quotaDisplay);
			} else {
				$this->t->set_var('quota_display','&nbsp;');
			}
			// navigation
			$navbarImages = array(
				'last'		=> array(
					'action'	=> "jumpEnd(); return false;",
					'tooltip'	=> '',
				),
				'right'			=> array(
					'action'	=> "skipForward(); return false;",
					'tooltip'	=> '',
				),
				'left'		=> array(
					'action'	=> "skipPrevious(); return false;",
					'tooltip'	=> '',
				),
				'first'			=> array(
					'action'	=> "jumpStart(); return false;",
					'tooltip'	=> '',
				),
			);
			$navbarButtons  = '';
			foreach($navbarImages as $buttonName => $buttonInfo) {
				$navbarButtons .= $uiwidgets->navbarButton($buttonName, $buttonInfo['action'], $buttonInfo['tooltip'],'right');
			}
			$this->t->set_var('navbarButtonsRight',$navbarButtons);

			// set the images
			$listOfImages = array(
				'read_small',
				'unread_small',
				'unread_flagged_small',
				'read_flagged_small',
				'trash',
				'sm_envelope',
				'write_mail',
				'manage_filter',
				'msg_icon_sm',
				'mail_find',
				'new',
				'start_kde',
				'previous_kde',
				'next_kde',
				'finnish_kde',
				'ajax-loader',
			);

			foreach ($listOfImages as $image) {
				$this->t->set_var($image, $GLOBALS['egw']->common->image('felamimail', $image));
			}
			$this->t->set_var('img_clear_left', html::image('felamimail', 'clear_left', lang('clear search'), 'style="margin-left:5px; cursor: pointer;" onclick="fm_clearSearch()"'));
			// refresh settings
			$refreshTime = $userPreferences['refreshTime'];
			$this->t->set_var('refreshTime',$refreshTime*60*1000);
			// other settings
			$prefaskformove = intval($userPreferences['prefaskformove']) ? intval($userPreferences['prefaskformove']) : 0;
			$this->t->set_var('prefaskformove',$prefaskformove);	
			#// set the url to open when refreshing
			#$linkData = array
			#(
			#	'menuaction'	=> 'felamimail.uifelamimail.viewMainScreen'
			#);
			#$this->t->set_var('refresh_url',$GLOBALS['egw']->link('/index.php',$linkData));
			
			// define the sort defaults
			$dateSort	= '0';
			$dateCSS	= 'text_small';
			$fromSort	= '3';
			$fromCSS	= 'text_small';
			$subjectSort	= '5';
			$subjectCSS	= 'text_small';
			$sizeSort	= '6';
			$sizeCSS	= 'text_small';

			// and no overwrite the defaults
			switch($this->sort)
			{
				// sort by date newest first
				case '0':
					$dateCSS	= 'text_small_bold';
					break;

				// sort by from z->a
				case '2':
					$fromCSS	= 'text_small_bold';
					break;
				// sort by from a->z
				case '3':
					$subjectCSS	= 'text_small_bold';
					break;
				// sort by size z->a
				case '6':
					$sizeCSS	= 'text_small_bold';
					break;
			}

			// sort by date
			$this->t->set_var('css_class_date', $dateCSS);
		
			// sort by from
			$this->t->set_var('css_class_from', $fromCSS);
		
			// sort by subject
			$this->t->set_var('css_class_subject', $subjectCSS);
			
			// sort by size
			$this->t->set_var('css_class_size', $sizeCSS);
			
			#_debug_array($this->bofelamimail->sessionData['messageFilter']);
			if(!empty($this->bofelamimail->sessionData['messageFilter']['string'])) {
				$this->t->set_var('quicksearch', $this->bofelamimail->sessionData['messageFilter']['string']);
			}
			
			$defaultSearchType = (isset($this->bofelamimail->sessionData['messageFilter']['type']) ? $this->bofelamimail->sessionData['messageFilter']['type'] : 'quick');
			$defaultSelectStatus = (isset($this->bofelamimail->sessionData['messageFilter']['status']) ? $this->bofelamimail->sessionData['messageFilter']['status'] : 'any');

			$searchTypes = array(
				'quick'		=> 'quicksearch',
				'subject'	=> 'subject',
				'body'		=> 'message',
				'from'		=> 'from',
				'to'		=> 'to',
				'cc'		=> 'cc',
			);
			$selectSearchType = html::select('searchType', $defaultSearchType, $searchTypes, false, "style='width:100%;' id='searchType' onchange='document.getElementById(\"quickSearch\").focus(); document.getElementById(\"quickSearch\").value=\"\" ;return false;'");
			$this->t->set_var('select_search', $selectSearchType);
			
			$statusTypes = array(
				'any'		=> 'any status',
				'flagged'	=> 'flagged',
				'unseen'	=> 'unread',
				'answered'	=> 'replied',
				'seen'		=> 'read',
				'deleted'	=> 'deleted',
			);
			$selectStatus = html::select('status', $defaultSelectStatus, $statusTypes, false, "style='width:100%;' onchange='javascript:quickSearch();' id='status'");
			$this->t->set_var('select_status', $selectStatus);

			if($this->connectionStatus === false) {
				$this->t->set_var('connection_error_message', lang($this->bofelamimail->getErrorMessage()));
				$this->t->set_var('message', '&nbsp;');
				$this->t->parse('header_rows','error_message',True);
			} else {
				$headers = $this->bofelamimail->getHeaders($this->mailbox, $this->startMessage, $maxMessages, $this->sort, $this->sortReverse, $this->bofelamimail->sessionData['messageFilter']);

 				$headerCount = count($headers['header']);
					
 				// if there aren't any messages left (eg. after delete or move) 
 				// adjust $this->startMessage  
 				if ($headerCount==0 && $this->startMessage > $maxMessages) {
 					$this->startMessage = $this->startMessage - $maxMessages;
					#$headers = $this->bofelamimail->getHeaders($this->startMessage, $maxMessages, $this->sort);
					$headerCount = count($headers['header']);
				}
				
				if ($this->bofelamimail->isSentFolder($this->mailbox) 
					|| $this->bofelamimail->isDraftFolder($this->mailbox) 
					|| $this->bofelamimail->isTemplateFolder($this->mailbox)) {
					$this->t->set_var('lang_from',lang("to"));
				} else {
					$this->t->set_var('lang_from',lang("from"));
				}
				$msg_icon_sm = $GLOBALS['egw']->common->image('felamimail','msg_icon_sm');
				// determine how to display the current folder: as sent folder (to address visible) or normal (from address visible) 
				$sentFolderFlag =$this->bofelamimail->isSentFolder($this->mailbox);
				$folderType = 0;
				if($sentFolderFlag ||
					false !== in_array($this->mailbox,explode(',',$GLOBALS['egw_info']['user']['preferences']['felamimail']['messages_showassent_0'])))
				{
					$folderType = 1;
					$sentFolderFlag=1;
				} elseif($this->bofelamimail->isDraftFolder($this->mailbox)) {
					$folderType = 2;
				} elseif($this->bofelamimail->isTemplateFolder($this->mailbox)) {
					$folderType = 3;
				}
					
				$this->t->set_var('header_rows',
					$uiwidgets->messageTable(
						$headers,
						$folderType,
						$this->mailbox,
						$userPreferences['message_newwindow'],
						$userPreferences['rowOrderStyle']
					)
				);
				
				$firstMessage = $headers['info']['first'];
				$lastMessage = $headers['info']['last'];
				$totalMessage = $headers['info']['total'];
				$langTotal = lang("total");		
			
				$this->t->set_var('maxMessages',$i);
				if($_GET["select_all"] == "select_all") {
					$this->t->set_var('checkedCounter',$i);
				} else {
					$this->t->set_var('checkedCounter','0');
				}
			
				// set the select all/nothing link
				if($_GET["select_all"] == "select_all") {
					// link to unselect all messages
					$linkData = array
					(
						'menuaction'	=> 'felamimail.uifelamimail.viewMainScreen'
					);
					$selectLink = sprintf("<a class=\"body_link\" href=\"%s\">%s</a>",
								$GLOBALS['egw']->link('/index.php',$linkData),
								lang("Unselect All"));
					$this->t->set_var('change_folder_checked','');
					$this->t->set_var('move_message_checked','checked');
				} else {
					// link to select all messages
					$linkData = array
					(
						'select_all'	=> 'select_all',
						'menuaction'	=> 'felamimail.uifelamimail.viewMainScreen'
					);
					$selectLink = sprintf("<a class=\"body_link\" href=\"%s\">%s</a>",
								$GLOBALS['egw']->link('/index.php',$linkData),
								lang("Select all"));
					$this->t->set_var('change_folder_checked','checked');
					$this->t->set_var('move_message_checked','');
				}
				$this->t->set_var('select_all_link',$selectLink);
				$shortName='';
				if ($folderStatus = $this->bofelamimail->getFolderStatus($this->mailbox)) $shortName =$folderStatus['shortDisplayName'];
				$addmessage = '';
				if ($message)  $addmessage = ' <font color="red">'.implode('; ',$message).'</font> ';
				$this->t->set_var('message','<b>'.$shortName.': </b>'.lang("Viewing messages")." <b>$firstMessage</b> - <b>$lastMessage</b> ($totalMessage $langTotal)".$addmessage);
				if($firstMessage > 1) {
					$linkData = array
					(
						'menuaction'	=> 'felamimail.uifelamimail.viewMainScreen',
						'startMessage'	=> $this->startMessage - $maxMessages
					);
					$link = $GLOBALS['egw']->link('/index.php',$linkData);
					$this->t->set_var('link_previous',"<a class=\"body_link\" href=\"$link\">".lang("previous")."</a>");
				} else {
					$this->t->set_var('link_previous',lang("previous"));
				}

				if($totalMessage > $lastMessage) {
					$linkData = array (
						'menuaction'	=> 'felamimail.uifelamimail.viewMainScreen',
						'startMessage'	=> $this->startMessage + $maxMessages
					);
					$link = $GLOBALS['egw']->link('/index.php',$linkData);
					$this->t->set_var('link_next',"<a class=\"body_link\" href=\"$link\">".lang("next")."</a>");
				} else {
					$this->t->set_var('link_next',lang("next"));
				}
				$this->t->parse('status_row','status_row_tpl',True);
				//print __LINE__ . ': ' . (microtime(true) - $this->timeCounter) . '<br>';
				$this->bofelamimail->closeConnection();

			}
			$this->t->set_var('current_mailbox',$this->mailbox);
			//$this->t->set_var('folder_tree',$folderTree);

			$this->t->set_var('options_folder',$options_folder);
			
			$linkData = array
			(
				'menuaction'    => 'felamimail.uicompose.compose'
			);
			$this->t->set_var('url_compose_empty',"egw_openWindowCentered('".$GLOBALS['egw']->link('/index.php',$linkData)."','test',700,egw_getWindowOuterHeight());");


			$linkData = array
			(
				'menuaction'    => 'felamimail.uifilter.mainScreen'
			);
			$this->t->set_var('url_filter',$GLOBALS['egw']->link('/index.php',$linkData));

			$linkData = array
			(
				'menuaction'    => 'felamimail.uifelamimail.handleButtons'
			);
			$this->t->set_var('url_change_folder',$GLOBALS['egw']->link('/index.php',$linkData));

			$linkData = array
			(
				'menuaction'    => 'felamimail.uifelamimail.changeFilter'
			);
			$this->t->set_var('url_search_settings',$GLOBALS['egw']->link('/index.php',$linkData));

			$this->t->set_var('lang_mark_messages_as',lang('mark messages as'));
			$this->t->set_var('lang_delete',lang('delete'));

			switch($GLOBALS['egw_info']['user']['preferences']['felamimail']['rowOrderStyle']) {
				case 'outlook':
					$this->t->parse('messageListTableHeader','table_header_outlook',True);
					break;
				default:
					$this->t->parse('messageListTableHeader','table_header_felamimail',True);
					break;
			}
			//print __LINE__ . ': ' . (microtime(true) - $this->timeCounter) . '<br>';
			
			$this->t->parse("out","main");
			print $this->t->get('out','main');
			
			$GLOBALS['egw']->common->egw_footer();
		}

		function array_merge_replace( $array, $newValues ) 
		{
			foreach ( $newValues as $key => $value ) 
			{
				if ( is_array( $value ) ) 
				{
					if ( !isset( $array[ $key ] ) ) 
					{
						$array[ $key ] = array();
					}
					$array[ $key ] = $this->array_merge_replace( $array[ $key ], $value );
				} 
				else 
				{
					if ( isset( $array[ $key ] ) && is_array( $array[ $key ] ) ) 
					{
						$array[ $key ][ 0 ] = $value;
					} 
					else 
					{
						if ( isset( $array ) && !is_array( $array ) ) 
						{
							$temp = $array;
							$array = array();
							$array[0] = $temp;
						}
						$array[ $key ] = $value;
					}
				}
			}
			return $array;
		}

		/* Returns a string showing the size of the message/attachment */
		function show_readable_size($bytes, $_mode='short')
		{
			$bytes /= 1024;
			$type = 'k';
			
			if ($bytes / 1024 > 1)
			{
				$bytes /= 1024;
				$type = 'M';
			}
			
			if ($bytes < 10)
			{
				$bytes *= 10;
				settype($bytes, 'integer');
				$bytes /= 10;
			}
			else
				settype($bytes, 'integer');
			
			return $bytes . '&nbsp;' . $type ;
		}
		
		function toggleFilter()
		{
			error_log(__METHOD__." called from:".function_backtrace());
			$this->bofelamimail->toggleFilter();
			$this->viewMainScreen();
		}

		function translate()
		{
			$this->t->set_var('th_bg',$GLOBALS['egw_info']["theme"]["th_bg"]);
			$this->t->set_var('bg_01',$GLOBALS['egw_info']["theme"]["bg01"]);
			$this->t->set_var('bg_02',$GLOBALS['egw_info']["theme"]["bg02"]);

			$this->t->set_var('lang_compose',lang('compose'));
			$this->t->set_var('lang_edit_filter',lang('edit filter'));
			$this->t->set_var('lang_move_selected_to',lang('move selected to'));
			$this->t->set_var('lang_doit',lang('do it!'));
			$this->t->set_var('lang_change_folder',lang('change folder'));
			$this->t->set_var('lang_move_message',lang('move messages'));
			$this->t->set_var('desc_read',lang("mark selected as read"));
			$this->t->set_var('desc_unread',lang("mark selected as unread"));
			$this->t->set_var('desc_important',lang("mark selected as flagged"));
			$this->t->set_var('desc_unimportant',lang("mark selected as unflagged"));
			$this->t->set_var('desc_deleted',lang("delete selected"));
			$this->t->set_var('lang_date',lang("date"));
			$this->t->set_var('lang_status',lang('status'));
			$this->t->set_var('lang_size',lang("size"));
			$this->t->set_var('lang_search',lang("search"));
			$this->t->set_var('lang_replied',lang("replied"));
			$this->t->set_var('lang_read',lang("read"));
			$this->t->set_var('lang_unread',lang("unread"));
			$this->t->set_var('lang_deleted',lang("deleted"));
			$this->t->set_var('lang_recent',lang("recent"));
			$this->t->set_var('lang_flagged',lang("flagged"));
			$this->t->set_var('lang_unflagged',lang("unflagged"));
			$this->t->set_var('lang_subject',lang("subject"));
			$this->t->set_var('lang_add_to_addressbook',lang("add to addressbook"));
			$this->t->set_var('lang_no_filter',lang("no filter"));
			$this->t->set_var('lang_connection_failed',lang("The connection to the IMAP Server failed!!"));
			$this->t->set_var('lang_select_target_folder',lang("Simply click the target-folder"));
			$this->t->set_var('lang_updating_message_status',lang("updating message status"));
			$this->t->set_var('lang_max_uploadsize',lang('max uploadsize'));
			$this->t->set_var('lang_loading',lang('loading'));
			$this->t->set_var('lang_deleting_messages',lang('deleting messages'));
			$this->t->set_var('lang_open_all',lang("open all"));
			$this->t->set_var('lang_close_all',lang("close all"));
			$this->t->set_var('lang_moving_messages_to',lang('moving messages to'));
			$this->t->set_var('lang_askformove',lang('Do you really want to move the selected messages to folder:'));
			$this->t->set_var('lang_mark_all_messages',lang('all messages in folder'));
			$this->t->set_var('lang_confirm_all_messages',lang('The action will be applied to all messages of the current folder.\nDo you want to proceed?'));
			$this->t->set_var('lang_empty_trash',lang('empty trash'));
			$this->t->set_var('lang_compress_folder',lang('compress folder'));
			$this->t->set_var('lang_skipping_forward',lang('skipping forward'));
			$this->t->set_var('lang_skipping_previous',lang('skipping previous'));
			$this->t->set_var('lang_jumping_to_start',lang('jumping to start'));
			$this->t->set_var('lang_jumping_to_end',lang('jumping to end'));
			$this->t->set_var('lang_updating_view',lang('updating view'));
		}
	}
?>