<?php
/*************************************************************************************
   Copyright notice
   
   (c) 2002-2009 Oliver Georgi (oliver@phpwcms.de) // All rights reserved.
 
   This script is part of PHPWCMS. The PHPWCMS web content management system 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.
  
   The GNU General Public License can be found at http://www.gnu.org/copyleft/gpl.html
   A copy is found in the textfile GPL.txt and important notices to the license 
   from the author is found in LICENSE.txt distributed with these scripts.
  
   This script is distributed in the hope that it will be useful, but WITHOUT ANY 
   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
   PARTICULAR PURPOSE.  See the GNU General Public License for more details.
 
   This copyright notice MUST APPEAR in all copies of the script!
*************************************************************************************/

// ----------------------------------------------------------------
// obligate check for phpwcms constants
if (!defined('PHPWCMS_ROOT')) {
   die("You Cannot Access This Script Directly, Have a Nice Day.");
}
// ----------------------------------------------------------------

// include calendar functions
include_once($phpwcms['modules'][$module]['path'].'inc/functions.inc.php');

// OK lets switch language :)
// set correct locale
if(!empty($BLM['locale_string'])) {
	$_oldLocale = setlocale(LC_TIME, NULL); //save current locale
	setlocale(LC_TIME, $BLM['locale_string']);
}

$_entry['query']			= '';

// define some defaults
if(isset($_GET['calendardate'])) {

	$_SESSION['calendardate'] = clean_slweg($_GET['calendardate']);

}
if(!empty($_SESSION['calendardate'])) {

	@list($plugin['current_month'], $plugin['current_year']) = explode('-', $_SESSION['calendardate']);

} else {

	$plugin['current_year']		= gmdate('Y');
	$plugin['current_month']	= gmdate('n');

}

$plugin['first_of_month']	= gmmktime(0, 0, 0, $plugin['current_month'], 1, $plugin['current_year']);
$plugin['days_in_month']	= gmdate('t', $plugin['first_of_month']);
$plugin['week_start']		= date('W', $plugin['first_of_month']);
$plugin['first_day']		= 0;
$plugin['weekday']			= (gmstrftime('%w', $plugin['first_of_month']) + 7 - $plugin['first_day']) % 7; //adjust for $first_day
$plugin['this_date']		= html_entities(ucfirst(gmstrftime('%B %Y', $plugin['first_of_month'])));

$plugin['location']			= decode_entities(MODULE_HREF);
$plugin['loc_this_month']	= $plugin['location'].'&calendardate='.date('m-Y');

$plugin['loc_next_month']	= $plugin['location'].'&calendardate=';
if($plugin['current_month'] == 12) {
	$plugin['loc_next_month'] .= '1-'.($plugin['current_year']+1);
} else {
	$plugin['loc_next_month'] .= ($plugin['current_month']+1).'-'.$plugin['current_year'];
}
$plugin['loc_prev_month']	= $plugin['location'].'&calendardate=';
if($plugin['current_month'] == 1) {
	$plugin['loc_prev_month'] .= '12-'.($plugin['current_year']-1);
} else {
	$plugin['loc_prev_month'] .= ($plugin['current_month']-1).'-'.$plugin['current_year'];
}
$plugin['week_add']			= intval(gmstrftime('%W', gmmktime(0, 0, 0, 1, 1, $plugin['current_year']))) ? 0 : 1;

// paginate and search form processing
if(isset($_POST['do_pagination'])) {

	$_SESSION['list_active']	= empty($_POST['showactive']) ? 0 : 1;
	$_SESSION['list_inactive']	= empty($_POST['showinactive']) ? 0 : 1;

	$_SESSION['filter']			= clean_slweg($_POST['filter']);
	if(empty($_SESSION['filter'])) {
		unset($_SESSION['filter']);
	} else {
		$_SESSION['filter']	= convertStringToArray($_SESSION['filter'], ' ');
		$_POST['filter']	= $_SESSION['filter'];
	}

}


$_entry['list_active']		= isset($_SESSION['list_active'])	? $_SESSION['list_active']		: 1;
$_entry['list_inactive']	= isset($_SESSION['list_inactive'])	? $_SESSION['list_inactive']	: 1;


// set correct status query
if($_entry['list_active'] != $_entry['list_inactive']) {
	
	if(!$_entry['list_active']) {
		$_entry['query'] .= 'calendar_status=0';
	}
	if(!$_entry['list_inactive']) {
		$_entry['query'] .= 'calendar_status=1';
	}
	
} else {
	$_entry['query'] .= 'calendar_status!=9';
}

if(isset($_SESSION['filter']) && is_array($_SESSION['filter']) && count($_SESSION['filter'])) {
	
	$_entry['filter_array'] = array();

	foreach($_SESSION['filter'] as $_entry['filter']) {
		//usr_name, usr_login, usr_email
		$_entry['filter_array'][] = "CONCAT(calendar_title, calendar_tag, calendar_text) LIKE '%".aporeplace($_entry['filter'])."%'";
	}
	if(count($_entry['filter_array'])) {
		
		$_SESSION['filter'] = ' AND ('.implode(' OR ', $_entry['filter_array']).')';
		$_entry['query'] .= $_SESSION['filter'];
	
	}

} elseif(isset($_SESSION['filter']) && is_string($_SESSION['filter'])) {

	$_entry['query'] .= $_SESSION['filter'];

}


?>
<h1 class="title" style="margin-bottom:10px"><?php echo $BLM['listing_title'] ?></h1>

<!-- <form action="<?php echo MODULE_HREF ?>" method="post" name="paginate" id="paginate"><input type="hidden" name="do_pagination" value="1" /> -->
<table width="100%" border="0" cellpadding="0" cellspacing="0" class="paginate" summary="">
	<tr>
		<td><table border="0" cellpadding="0" cellspacing="0" summary="">
			<tr>
			
			<!--
				<td><input type="checkbox" name="showactive" id="showactive" value="1" onclick="this.form.submit();"<?php is_checked(1, $_entry['list_active'], 1) ?> /></td>
				<td><label for="showactive"><img src="img/button/aktiv_12x13_1.gif" alt="" style="margin:1px 1px 0 1px;" /></label></td>
				<td><input type="checkbox" name="showinactive" id="showinactive" value="1" onclick="this.form.submit();"<?php is_checked(1, $_entry['list_inactive'], 1) ?> /></td>
				<td><label for="showinactive"><img src="img/button/aktiv_12x13_0.gif" alt="" style="margin:1px 1px 0 1px;" /></label></td>

				<td class="chatlist">|&nbsp;</td>
			
				<td><input type="text" name="filter" id="filter" size="10" value="<?php 
				
				if(isset($_POST['filter']) && is_array($_POST['filter']) ) {
					echo html_specialchars(implode(' ', $_POST['filter']));
				}
				
				?>" class="textinput" style="margin:0 2px 0 0;width:110px;text-align:left;" title="filter results by username, name or email" /></td>
				<td><input type="image" name="gofilter" src="img/famfamfam/action_go.gif" style="margin-right:3px;" /></td>
				
				<td class="chatlist">|&nbsp;</td>
			//-->
				<td class="calendarButton"><button onclick="location.href='<?php echo $plugin['loc_prev_month'] ?>';return false;">&lt;</button></td>
				<td class="calendarButton"><button onclick="location.href='<?php echo $plugin['loc_this_month'] ?>';return false;"><?php echo $BLM['today'] ?></button></td>
				<td class="calendarButton"><button onclick="location.href='<?php echo $plugin['loc_next_month'] ?>';return false;">&gt;</button></td>
				
			</tr>
		</table></td>

	<td class="chatlist" align="right">&nbsp;
		
	</td>

	</tr>
</table>
<!-- </form> -->

<table width="100%" border="0" cellpadding="0" cellspacing="0" class="calendar" summary="">

<?php

// list current calendar here

if($plugin['current_month'] == 12) {
	$plugin['end_month']	= 1;
	$plugin['end_year']		= $plugin['current_year'] + 1;
} else {
	$plugin['end_month']	= $plugin['current_month'] + 1;
	$plugin['end_year']		= $plugin['current_year'];
}


$sql  = 'SELECT *, ';
$sql .= "DATE_FORMAT(calendar_start, '%d".$BLM['date_delimiter']."%m".$BLM['date_delimiter']."%Y') AS calendar_start_date, ";
$sql .= "DATE_FORMAT(calendar_end,   '%d".$BLM['date_delimiter']."%m".$BLM['date_delimiter']."%Y') AS calendar_end_date, ";
$sql .= "DATE_FORMAT(calendar_start, '%H:%i') AS calendar_start_time, ";
$sql .= "DATE_FORMAT(calendar_end,   '%H:%i') AS calendar_end_time, ";
$sql .= "DATE_FORMAT(calendar_start,   '%e') AS calendar_day ";
$sql .= ' FROM '.DB_PREPEND.'phpwcms_calendar WHERE ';
$sql .= 'calendar_status != 9 AND ';
$sql .= 'calendar_range = 0 AND ';
$sql .= "calendar_start >= '".aporeplace($plugin['current_year'].'-'.$plugin['current_month'].'-1 00:00:00')."' AND ";
$sql .= "calendar_start < '".aporeplace($plugin['end_year'].'-'.$plugin['end_month'].'-1 00:00:00')."' ORDER BY calendar_start ASC";
$plugin['dates'] = _dbQuery($sql);

// run through dates and put in right day, fist for all non-repeating dates
$_entry['dates'] = array();
foreach($plugin['dates'] as $_entry['x']) {

	$_entry['day'] = intval($_entry['x']['calendar_day']);
	$_entry['dates'][ $_entry['day'] ][] = $_entry['x'];

}

$sql  = 'SELECT *, ';
$sql .= "DATE_FORMAT(calendar_start, '%d".$BLM['date_delimiter']."%m".$BLM['date_delimiter']."%Y') AS calendar_start_date, ";
$sql .= "DATE_FORMAT(calendar_end,   '%d".$BLM['date_delimiter']."%m".$BLM['date_delimiter']."%Y') AS calendar_end_date, ";
$sql .= "DATE_FORMAT(calendar_range_start, '%d".$BLM['date_delimiter']."%m".$BLM['date_delimiter']."%Y') AS calendar_rangestart, ";
$sql .= "DATE_FORMAT(calendar_range_end,   '%d".$BLM['date_delimiter']."%m".$BLM['date_delimiter']."%Y') AS calendar_rangeend, ";
$sql .= "DATE_FORMAT(calendar_start, '%H:%i') AS calendar_start_time, ";
$sql .= "DATE_FORMAT(calendar_end,   '%H:%i') AS calendar_end_time, ";
$sql .= "DATE_FORMAT(calendar_start,   '%e') AS calendar_day ";
$sql .= ' FROM '.DB_PREPEND.'phpwcms_calendar WHERE ';
$sql .= 'calendar_status != 9 AND ';
$sql .= 'calendar_range > 0 AND ';
$sql .= "calendar_range_start < '".aporeplace($plugin['end_year'].'-'.$plugin['end_month'].'-01 00:00:00')."' AND ";
$sql .= "calendar_range_end > '".aporeplace($plugin['current_year'].'-'.$plugin['current_month'].'-1 00:00:00')."' ";
$sql .= 'ORDER BY calendar_range_start ASC';
$plugin['dates'] = _dbQuery($sql);

// run through dates and put in right day, fist for all non-repeating dates

foreach($plugin['dates'] as $_entry['y']) {

	$_entry['day']						= intval($_entry['y']['calendar_day']);
	$_entry['range_start_timestamp']	= strtotime($_entry['y']['calendar_range_start'].' 00:00:00');
	$_entry['range_end_timestamp']		= strtotime($_entry['y']['calendar_range_end'].' 23:59:59');
	$_entry['this_timestamp']			= strtotime($_entry['y']['calendar_start']);
	$_entry['date_weekday']				= date('w', $_entry['this_timestamp']);
	$_entry['day_month']				= date('j', $_entry['this_timestamp']);
	$_entry['day_year']					= date('dm', $_entry['this_timestamp']);
	
	for($_entry['x'] = 1, $_entry['timestamp']=$plugin['first_of_month']; $_entry['x'] <= $plugin['days_in_month']; $_entry['x']++, $_entry['timestamp']+=86400) {
	
		if($_entry['timestamp'] >= $_entry['range_start_timestamp'] && $_entry['timestamp'] <= $_entry['range_end_timestamp']) {
		
			$_entry['weekday']		= date('w', $_entry['timestamp']);
			// 1 daily
			// 2 Every weekday (Mon-Fri)
			// 3 Every Mon., Wed. and Fri.
			// 4 Every Tues. and Thurs.
			// 5 Weekly
			// 6 Monthly
			// 7 yearly
			
			if(	$_entry['y']['calendar_range'] == 1
				||
				($_entry['y']['calendar_range'] == 2 && $_entry['weekday'] != 6 && $_entry['weekday'] != 0)
				||
				($_entry['y']['calendar_range'] == 3 && ($_entry['weekday'] == 1 || $_entry['weekday'] == 3 || $_entry['weekday'] == 5))
				||
				($_entry['y']['calendar_range'] == 4 && ($_entry['weekday'] == 2 || $_entry['weekday'] == 4))
				||
				($_entry['y']['calendar_range'] == 5 && $_entry['weekday'] == $_entry['date_weekday'])
				||
				($_entry['y']['calendar_range'] == 6 && $_entry['x'] == $_entry['day_month'])
				||
				($_entry['y']['calendar_range'] == 7 && date('dm', $_entry['timestamp']) == $_entry['day_year'])		)
			{ 

				$_entry['y']['calendar_start_date']	= date('d'.$BLM['date_delimiter'].'m'.$BLM['date_delimiter'].'Y', $_entry['timestamp']);
				$_entry['y']['calendar_end_date']	= $_entry['y']['calendar_start_date'];
				$_entry['dates'][ $_entry['x'] ][]	= $_entry['y'];		

			}
			
			
		}
	
	}


}


$plugin['day_names'] = returnDayNameArray();

// head row

echo '<tr>'.LF;
echo '	<th class="calendarWeek">'.$BLM['weekNrTitle'].'</th>'.LF;
echo '	<th><img src="img/famfamfam/calendar_view_month.gif" alt="" /></th>'.LF;
echo '	<th width="95%" class="calendarMonth">';

echo $plugin['this_date'];

echo '</th>'.LF;
echo '	<th>&nbsp;</th>'.LF;
echo '</tr>'.LF;

$_entry['rowspan']		= gmstrftime('%w', $plugin['first_of_month']);
$_entry['rowspan']		= 8 - ($_entry['rowspan']==0 ? 7 : $_entry['rowspan']);
$_entry['c']			= 0;

for($_entry['x'] = 1, $_entry['timestamp']=$plugin['first_of_month']; $_entry['x'] <= $plugin['days_in_month']; $_entry['x']++, $_entry['timestamp']+=86400) {

	$_entry['day_num'] = gmstrftime('%w', $_entry['timestamp']);
	$_entry['day_num'] = $_entry['day_num']==0 ? 7 : $_entry['day_num'];

	echo '<tr';
	if($_entry['x'] % 2) {
		echo ' class="calendarAltRow"';
	}
	echo '>'.LF;
	
	if($_entry['day_num'] == 1) {

		if($plugin['days_in_month'] - $_entry['x'] < 7) {
			$_entry['rowspan'] = $plugin['days_in_month'] - $_entry['x'] + 1;
		} else {
			$_entry['rowspan'] = 7;
		}
	
	}
	
	
	if($_entry['rowspan']) {
	
		echo '	<td ';
		echo ($_entry['rowspan'] > 1) ? 'rowspan="'.$_entry['rowspan'].'" ' : '';
		echo 'class="calendarWeek';
		echo ($_entry['c'] % 2) ? '' : ' calendarWeekAlt';
		echo '">';
		
		$_entry['wno'] = gmstrftime('%W', $_entry['timestamp']) + $plugin['week_add'];
		if($_entry['wno'] == 53) {
			$_entry['wno'] = 1;
		}

		echo $_entry['wno'];
		echo '</td>'.LF;

		$_entry['rowspan'] = 0;
		$_entry['c']++;

	}
	
	$_entry['class'] = ($_entry['day_num'] == 7 || $_entry['x'] == $plugin['days_in_month']) ? ' calendarSunday' : '';

	echo '	<td class="calendarDay'.$_entry['class'].'"><span>'.$_entry['x'].'</span><br />'.html_specialchars(gmstrftime('%a', $_entry['timestamp'])).'</td>'.LF;
	echo '	<td class="calendarData'.$_entry['class'].'">';
	
	// run available dates for current day
	if(isset($_entry['dates'][ $_entry['x'] ])) {
	
		foreach($_entry['dates'][ $_entry['x'] ] as $_entry['date']) {
			
			$_entry['link '] = $_entry['date']['calendar_title'].' (';
			if($_entry['date']['calendar_allday']) {
				$_entry['link '] .= $BLM['all_day'];
			} else {
				$_entry['link '] .= $_entry['date']['calendar_start_time'].'&#8211;';
				if($_entry['date']['calendar_start_date'] != $_entry['date']['calendar_end_date']) {
					$_entry['link '] .= $_entry['date']['calendar_end_date'].',&nbsp;';
				}
				$_entry['link '] .= $_entry['date']['calendar_end_time'];
			}
			$_entry['link '] .= ')';
			
			if($_entry['date']['calendar_range']) {
				$_entry['link '] = $BLM['repeat_list'.$_entry['date']['calendar_range']].': '.$_entry['link '];
			}
			$_entry['link '] = html_specialchars($_entry['link ']);
			
			echo '<p><a href="'.MODULE_HREF.'&amp;edit='.$_entry['date']['calendar_id'].'"';
			if($_entry['date']['calendar_status'] == 0) echo ' class="off"';
			echo '>' . $_entry['link '] . '</a>';
			
			echo '<a href="'.MODULE_HREF.'&amp;delete='.$_entry['date']['calendar_id'].'" class="calendarDateDel"';
			echo ' title="'.$BLM['delete'].': '. $_entry['link '] .'"';
			echo ' onclick="return confirm(\''.$BLM['delete_entry'].' \n'.js_singlequote($_entry['date']['calendar_title']).'\');">';
			echo '<img src="img/button/del_9x9.gif" alt="" border="0" /></a>';
			
			/*
			echo '<img src="img/button/';
			if($_entry['date']['calendar_status'] == 0) echo 'in';
			echo 'aktiv_mini1.gif" alt="" border="0" />';
			*/
			
			echo '</p>';
		
		}
	
	} else {
		
		echo '&nbsp;';
	
	}

	echo '</td>'.LF;

	echo '	<td class="calendarButton'.$_entry['class'].'">';
	echo '<a href="'.MODULE_HREF.'&amp;edit=0&amp;defaultdate=';
	echo $_entry['x'].'-'.$plugin['current_month'].'-'.$plugin['current_year'].'" title="'.$BLM['add_event'].'">';
	echo '<img src="img/famfamfam/calendar_add.gif" alt="" border="0" />';
	echo '</a></td>'.LF;

	echo '</tr>'.LF;

}

// switch language back
if(!empty($BLM['locale_string'])) {
	setlocale(LC_TIME, $_oldLocale); //switch current locale back to old value
}

		
?>		
	
</table>