<?php // +-----------------------------------------------------------------------+ // | Piwigo - a PHP based picture gallery | // +-----------------------------------------------------------------------+ // | Copyright(C) 2008 Piwigo Team http://piwigo.org | // | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net | // | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick | // +-----------------------------------------------------------------------+ // | 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 inner_sql used for queries (INNER JOIN or normal) */ function initialize($inner_sql) { parent::initialize($inner_sql); global $lang; $week_no_labels=array(); for ($i=1; $i<=53; $i++) { $week_no_labels[$i] = sprintf( l10n("Week %d"), $i); //$week_no_labels[$i] = $i; } $this->calendar_levels = array( array( 'sql'=> 'YEAR('.$this->date_field.')', 'labels' => null ), array( 'sql'=> 'WEEK('.$this->date_field.')+1', 'labels' => $week_no_labels, ), array( 'sql'=> 'DAYOFWEEK('.$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() { global $conf, $page; if ( count($page['chronology_date'])==0 ) { $this->build_nav_bar(CYEAR); // years } if ( count($page['chronology_date'])==1 ) { $this->build_nav_bar(CWEEK, array()); // week nav bar 1-53 } if ( count($page['chronology_date'])==2 ) { $this->build_nav_bar(CDAY); // days nav bar Mon-Sun } $this->build_next_prev(); return false; } /** * Returns a sql where subquery for the date field * @param int max_levels return the where up to this level * (e.g. 2=only year and week in year) * @return string */ function get_date_where($max_levels=3) { global $page; $date = $page['chronology_date']; while (count($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; } } ?>