139 lines
4.4 KiB
PHP
139 lines
4.4 KiB
PHP
<?php
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// +-----------------------------------------------------------------------+
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// | PhpWebGallery - a PHP based picture gallery |
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// | Copyright (C) 2003-2007 PhpWebGallery Team - http://phpwebgallery.net |
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// +-----------------------------------------------------------------------+
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// | branch : BSF (Best So Far)
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// | file : $RCSfile$
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// | last update : $Date$
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// | last modifier : $Author$
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// | revision : $Revision$
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// +-----------------------------------------------------------------------+
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// | This program is free software; you can redistribute it and/or modify |
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// | it under the terms of the GNU General Public License as published by |
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// | the Free Software Foundation |
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// | |
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// | This program is distributed in the hope that it will be useful, but |
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// | WITHOUT ANY WARRANTY; without even the implied warranty of |
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// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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// | General Public License for more details. |
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// | |
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// | You should have received a copy of the GNU General Public License |
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// | along with this program; if not, write to the Free Software |
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// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
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// | USA. |
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// +-----------------------------------------------------------------------+
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include_once(PHPWG_ROOT_PATH.'include/calendar_base.class.php');
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define ('CYEAR', 0);
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define ('CWEEK', 1);
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define ('CDAY', 2);
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/**
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* Weekly calendar style (composed of years/week in years and days in week)
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*/
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class Calendar extends CalendarBase
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{
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/**
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* Initialize the calendar
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* @param string inner_sql used for queries (INNER JOIN or normal)
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*/
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function initialize($inner_sql)
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{
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parent::initialize($inner_sql);
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global $lang;
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$week_no_labels=array();
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for ($i=1; $i<=53; $i++)
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{
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$week_no_labels[$i] = sprintf( l10n("Week %d"), $i);
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//$week_no_labels[$i] = $i;
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}
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$this->calendar_levels = array(
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array(
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'sql'=> 'YEAR('.$this->date_field.')',
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'labels' => null
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),
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array(
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'sql'=> 'WEEK('.$this->date_field.')+1',
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'labels' => $week_no_labels,
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),
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array(
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'sql'=> 'DAYOFWEEK('.$this->date_field.')-1',
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'labels' => $lang['day']
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),
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);
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//Comment next lines for week starting on Sunday or if MySQL version<4.0.17
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//WEEK(date,5) = "0-53 - Week 1=the first week with a Monday in this year"
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$this->calendar_levels[CWEEK]['sql'] = 'WEEK('.$this->date_field.',5)+1';
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$this->calendar_levels[CDAY]['sql'] = 'WEEKDAY('.$this->date_field.')';
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array_push( $this->calendar_levels[CDAY]['labels'],
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array_shift( $this->calendar_levels[CDAY]['labels'] ) );
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}
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/**
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* Generate navigation bars for category page
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* @return boolean false to indicate that thumbnails where not included here
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*/
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function generate_category_content()
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{
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global $conf, $page;
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if ( count($page['chronology_date'])==0 )
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{
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$this->build_nav_bar(CYEAR); // years
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}
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if ( count($page['chronology_date'])==1 )
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{
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$this->build_nav_bar(CWEEK, array()); // week nav bar 1-53
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}
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if ( count($page['chronology_date'])==2 )
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{
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$this->build_nav_bar(CDAY); // days nav bar Mon-Sun
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}
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$this->build_next_prev();
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return false;
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}
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/**
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* Returns a sql where subquery for the date field
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* @param int max_levels return the where up to this level
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* (e.g. 2=only year and week in year)
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* @return string
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*/
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function get_date_where($max_levels=3)
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{
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global $page;
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$date = $page['chronology_date'];
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while (count($date)>$max_levels)
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{
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array_pop($date);
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}
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$res = '';
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if (isset($date[CYEAR]) and $date[CYEAR]!=='any')
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{
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$y = $date[CYEAR];
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$res = " AND $this->date_field BETWEEN '$y-01-01' AND '$y-12-31 23:59:59'";
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}
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if (isset($date[CWEEK]) and $date[CWEEK]!=='any')
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{
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$res .= ' AND '.$this->calendar_levels[CWEEK]['sql'].'='.$date[CWEEK];
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}
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if (isset($date[CDAY]) and $date[CDAY]!=='any')
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{
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$res .= ' AND '.$this->calendar_levels[CDAY]['sql'].'='.$date[CDAY];
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}
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if (empty($res))
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{
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$res = ' AND '.$this->date_field.' IS NOT NULL';
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}
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return $res;
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}
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}
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?>
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