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<?php
// +-----------------------------------------------------------------------+
// | PhpWebGallery - a PHP based picture gallery |
// | Copyright (C) 2003-2006 PhpWebGallery Team - http://phpwebgallery.net |
// +-----------------------------------------------------------------------+
// | branch : BSF (Best So Far)
// | file : $RCSfile$
// | last update : $Date: 2006-01-27 02:11:43 +0100 (ven, 27 jan 2006) $
// | last modifier : $Author: rvelices $
// | revision : $Revision: 1014 $
// +-----------------------------------------------------------------------+
// | 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 |
// | |
// | This program 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. |
// | |
// | You should have received a copy of the GNU General Public License |
// | along with this program; if not, write to the Free Software |
// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
// | USA. |
// +-----------------------------------------------------------------------+
include_once(PHPWG_ROOT_PATH.'include/calendar_base.class.php');
define ('CYEAR', 0);
define ('CWEEK', 1);
define ('CDAY', 2);
/**
* Weekly calendar style (composed of years/week in years and days in week)
*/
class Calendar extends CalendarBase
{
/**
* Initialize the calendar
* @param string date_field db column on which this calendar works
* @param string inner_sql used for queries (INNER JOIN or normal)
* @param array date_components
*/
function initialize($date_field, $inner_sql, $date_components)
{
parent::initialize($date_field, $inner_sql, $date_components);
global $lang;
$this->calendar_levels = array(
array(
'sql'=> 'YEAR('.$this->date_field.')',
'labels' => null
),
array(
'sql'=> 'WEEK('.$this->date_field.')+1',
'labels' => null
),
array(
'sql'=> 'DAYOFWEEK('.$this->date_field.')-1',
'labels' => $lang['day']
),
);
//Comment next lines for week starting on Sunday or if MySQL version<4.0.17
//WEEK(date,5) = "0-53 - Week 1=the first week with a Monday in this year"
$this->calendar_levels[CWEEK]['sql'] = 'WEEK('.$this->date_field.',5)+1';
$this->calendar_levels[CDAY]['sql'] = 'WEEKDAY('.$this->date_field.')';
array_push( $this->calendar_levels[CDAY]['labels'],
array_shift( $this->calendar_levels[CDAY]['labels'] ) );
}
/**
* Generate navigation bars for category page
* @return boolean false to indicate that thumbnails where not included here
*/
function generate_category_content($url_base, $view_type)
{
global $conf;
$this->url_base = $url_base;
assert($view_type==CAL_VIEW_LIST);
$this->build_nav_bar(CYEAR); // years
if ( count($this->date_components)>=1 )
{
$this->build_nav_bar(CWEEK); // week nav bar 1-53
}
if ( count($this->date_components)>=2 )
{
$this->build_nav_bar(CDAY); // days nav bar Mon-Sun
}
return false;
}
/**
* Returns a sql where subquery for the date field
* @param int max_levels return the where up to this level
* (e.g. 2=only year and week in year)
* @return string
*/
function get_date_where($max_levels=3)
{
$date = $this->date_components;
while (count($date)>$max_levels)
{
array_pop($date);
}
$res = '';
if (isset($date[CYEAR]) and $date[CYEAR]!='any')
{
$y = $date[CYEAR];
$res = " AND $this->date_field BETWEEN '$y-01-01' AND '$y-12-31 23:59:59'";
}
if (isset($date[CWEEK]) and $date[CWEEK]!='any')
{
$res .= ' AND '.$this->calendar_levels[CWEEK]['sql'].'='.$date[CWEEK];
}
if (isset($date[CDAY]) and $date[CDAY]!='any')
{
$res .= ' AND '.$this->calendar_levels[CDAY]['sql'].'='.$date[CDAY];
}
if (empty($res))
{
$res = ' AND '.$this->date_field.' IS NOT NULL';
}
return $res;
}
}
?>
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