<?php
  /**************************************************************************\
  * eGroupWare                                                               *
  * http://www.egroupware.org                                                *
  * The file written by Joseph Engo <jengo@phpgroupware.org>                 *
  * This file modified by Greg Haygood <shrykedude@bellsouth.net>            *
  * This file modified by Edo van Bruggend <edovanbruggen@raketnet.nl>       *
  * --------------------------------------------                             *
  *  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; either version 2 of the License, or (at your  *
  *  option) any later version.                                              *
  \**************************************************************************/

  /* $Id$ */

	/*
	** Initializing the home application
	*/
	$GLOBALS['egw_info'] = array(
		'flags' => array(
			'noheader'                => true,//False,
			'nonavbar'                => true,//False,
			'currentapp'              => 'home',
			'enable_network_class'    => False,
			'enable_contacts_class'   => False,
			'enable_nextmatchs_class' => False,
			'include_xajax'		  => True,
		)
	);

	include('../header.inc.php');
	auth::check_password_age('home','index');
	$GLOBALS['egw_info']['flags']['nonavbar']=false;

	// Start output buffering
	ob_start();

	/*
	** Initializing the template
	*/

	$GLOBALS['tpl'] =& CreateObject('phpgwapi.Template',$GLOBALS['egw']->common->get_tpl_dir('home'));
	$GLOBALS['tpl']->set_unknowns('remove');

	$GLOBALS['tpl']->set_file(
		array(
			'home' => 'home.tpl'
		)
	);

	$GLOBALS['tpl']->set_block('home','notify_window','notify_window');
	$GLOBALS['tpl']->set_block('home','begin_table','begin_table');
	$GLOBALS['tpl']->set_block('home','end_table','end_table');
	$GLOBALS['tpl']->set_block('home','begin_row','begin_row');
	$GLOBALS['tpl']->set_block('home','end_row','end_row');
	$GLOBALS['tpl']->set_block('home','cell','cell');

	// Commented by alpeb: The following prevented anonymous users to get a home page. Perhaps it was done with anonymous users such as the ones
	// used by  wiki and sitemgr in mind. However, if you mark a normal user as anonymous just to avoid being shown in sessions and access log (like you would for an admin that doesn't want to be noticed), the user won't be able to login anymore. That's why I commented the code.
	/*if ($GLOBALS['egw']->session->session_flags == 'A')
	{
		if ($_SERVER['HTTP_REFERER'] && strstr($_SERVER['HTTP_REFERER'],'home.php') === False)
		{
			$GLOBALS['egw']->redirect($_SERVER['HTTP_REFERER']);
		}
		else
		{
			// redirect to the login-page, better then giving an empty page
			$GLOBALS['egw']->redirect('login.php');
		}
		exit;
	}*/

	/*
	** Show the updates
	*/
	$GLOBALS['egw']->hooks->single('showUpdates','home');

	/*
	** Display the mainscreen message
	*/
	$GLOBALS['egw']->translation->add_app('mainscreen');
	$greeting = translation::translate('mainscreen_message',false,'');

	if($greeting == 'mainscreen_message'||empty($greeting))
	{
		translation::add_app('mainscreen','en');    // trying the en one
		$greeting = translation::translate('mainscreen_message',false,'');
	}
	if(!($greeting == 'mainscreen_message'||empty($greeting)))
	{
		echo '<div style="text-align: center;">' . $greeting . "</div>\n";
	}

	/*
	** Display the notification window
	*/
	if (isset($GLOBALS['egw_info']['user']['apps']['notifywindow']) && $GLOBALS['egw_info']['user']['apps']['notifywindow'])
	{
		$var['link'] = $GLOBALS['egw']->link('/notify.php');
		$var['notifywindow'] = lang('Open notify window');
		$GLOBALS['tpl']->set_var($var);
		$GLOBALS['tpl']->pfp('out','notify_window');
	}

	if(is_array($GLOBALS['egw_info']['user']['preferences']['portal_order']))
	{
		$app_check = Array();
		@ksort($GLOBALS['egw_info']['user']['preferences']['portal_order']);
		while(list($order,$app) = each($GLOBALS['egw_info']['user']['preferences']['portal_order']))
		{
			if(!isset($app_check[(int)$app]) || !$app_check[(int)$app])
			{
				$app_check[(int)$app] = True;
				$sorted_apps[] = $GLOBALS['egw']->applications->id2name((int)$app);
			}
		}
	}
	else
	{
		$sorted_apps = Array(
			'calendar',
			'email',
			'infolog',
			'news_admin'
		);
	}

	// Now add the rest of the user's apps, to make sure we pick up any additions to the home display
	foreach($GLOBALS['egw_info']['user']['apps'] as $app)
	{
		if(!in_array($app['name'], $sorted_apps))
		{
			$sorted_apps[] = $app['name'];
		}
	}
	//$GLOBALS['egw']->hooks->process('home',$sorted_apps);

	/*
	** Migrate preferences
	** @param $appname, $var_old, $var_new, $type='user'
	**
	*/
	function migrate_pref($appname,$var_old,$var_new,$type='user')
	{
		if(empty($appname) || empty($var_old) || empty($var_new))
		{
			return false;
		}
		$allowedtypes = array('user','default','forced');
		if($type=='all')
		{
			$types = $allowedtypes;
		}
		elseif(in_array($type,$allowedtypes))
		{
			$types[] = $type;
		}
		else
		{
			return false;
		}
		$result = false;
		foreach($types as $_type)
		{
			if(isset($GLOBALS['egw']->preferences->$_type[$appname][$var_old]))
			{
				$GLOBALS['egw']->preferences->$_type[$appname][$var_new] =
				$GLOBALS['egw']->preferences->$_type[$appname][$var_old];
				$result = true;
				$GLOBALS['egw_info']['user']['preferences'] =
				$GLOBALS['egw']->preferences->save_repository(false,$_type);
			}
		}
		return $result;
	}

	$portal_oldvarnames = array('mainscreen_showevents', 'homeShowEvents','homeShowLatest','mainscreen_showmail','mainscreen_showbirthdays','mainscreen_show_new_updated');
	$migrate_oldvarnames = false;
	if($migrate_oldvarnames)
	{
		$_apps = $GLOBALS['egw_info']['user']['apps'];
		@reset($_apps);
		foreach($_apps as $_appname)
		{
			@reset($portal_oldvarnames);
			foreach($portal_oldvarnames as $varname)
			{
				//echo "Want to migrate '$appname' from '$varname' to 'homepage_display'.<br>";
				//migrate_pref($appname,$varname,'homepage_display','all');
			}
		}
	}

	$neworder = array();
	$done = array();

	/*
	** Display application hooks
	**
	*/

	$GLOBALS['tpl']->pfp('out','begin_table');
	$tropen=0;
	$tdopen=0;
	$lastd = 0;
	$numcols = 2;
	$curcol = 1;
	$searchlist = array();
	foreach($sorted_apps as $appname)
	{
		if((int)$done[$appname] == 1 || empty($appname))
		{
			continue;
		}
		$varnames = $portal_oldvarnames;
		$varnames[] = 'homepage_display';
		foreach($varnames as $varcheck)
		{
			//echo "$appname:$varcheck=".$GLOBALS['egw_info']['user']['preferences'][$appname][$varcheck]."<br>";
			$thisd = (int)$GLOBALS['egw_info']['user']['preferences'][$appname][$varcheck];
			if (!$thisd && $GLOBALS['egw_info']['user']['preferences'][$appname][$varcheck]) $thisd = 1;
			if($thisd>0)
			{
				//echo "Found $appname=$_thisd through $varcheck<br>";
				break;
			}
		}
		//echo "$appname: $thisd<br>";
		if($thisd>0)
		{
			$searchlist[$appname] = $thisd;
			$neworder[] = $appname;
			$done[$appname] = 1;
		}
	}
	foreach($neworder as $index => $appname)
	{
		$thisd = $searchlist[$appname];
		//echo "$appname: $thisd<br>";
		if((($curcol++>$numcols) || ($thisd==1)) && $tropen==1)
		{
			$GLOBALS['tpl']->pfp('out','end_row');
			$tropen = 0;
			//$curcol = 1;
		}
		if(!$tropen)
		{
			$GLOBALS['tpl']->pfp('out','begin_row');
			$tropen=1;
		}

		$small = ($thisd>1) && (count($neworder) >= $index + 1) && ($searchlist[$neworder[$index + 1]] > 1 || $searchlist[$neworder[$index - 1]] > 1);
		$var['tdwidth'] = $small ? '50' : '100';
		$var['colspan'] = $small ? '1' : '2';

		ob_start();
		$var['content'] = $GLOBALS['egw']->hooks->single('home',$appname);
		if (!$var['content'] || $var['content'] == 1)	// content has been echoed and not returned
		{
			$var['content'] = ob_get_contents();
			ob_end_clean();
		}
		$GLOBALS['tpl']->set_var($var);

		$GLOBALS['tpl']->pfp('out','cell');

		if(($thisd<=1 || ($thisd>1&&$lastd>1)) && $tropen && $var['content'])
		{
			$GLOBALS['tpl']->pfp('out','end_row');
			$tropen = 0;
			$lastd = 0;
			$curcol = 1;
 		}
		else
		{
			$lastd = $thisd;
		}
	}

	$GLOBALS['tpl']->pfp('out','end_table');

	// Update stored value of order
	//_debug_array($neworder);
	if(count($neworder)>0)//$GLOBALS['portal_order'])
	{
		$GLOBALS['egw']->preferences->delete('portal_order');
		@reset($neworder);
		while(list($app_order,$app_name) = each($neworder))
		{
			$app_id = $GLOBALS['egw']->applications->name2id($app_name);
			//echo "neworder: $app_order=$app_id:$app_name<br>";
			$GLOBALS['egw']->preferences->add('portal_order',$app_order,$app_id);
		}
		$GLOBALS['egw_info']['user']['preferences'] = $GLOBALS['egw']->preferences->save_repository();
	}
	//_debug_array($GLOBALS['egw_info']['user']['preferences']);

	// Get everything which has been output by now
	$contents = ob_get_contents();
	ob_end_clean();

	// Display the header which contains all includes etc.
	common::egw_header();

	// Display the fetched output
	echo($contents);

	//$GLOBALS['egw']->common->debug_phpgw_info();
	//$GLOBALS['egw']->common->debug_list_core_functions();
	$GLOBALS['egw']->common->egw_footer();