497 lines
No EOL
14 KiB
PHP
497 lines
No EOL
14 KiB
PHP
<?php
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// +-----------------------------------------------------------------------+
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// | Piwigo - a PHP based photo gallery |
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// +-----------------------------------------------------------------------+
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// | Copyright(C) 2008-2014 Piwigo Team http://piwigo.org |
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// | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net |
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// | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick |
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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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/**
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* @package functions\calendar
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*/
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include_once(PHPWG_ROOT_PATH.'include/calendar_base.class.php');
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/** level of year view */
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define('CYEAR', 0);
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/** level of month view */
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define('CMONTH', 1);
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/** level of day view */
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define('CDAY', 2);
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/**
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* Monthly calendar style (composed of years/months and days)
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*/
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class CalendarMonthly extends CalendarBase
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{
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/**
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* Initialize the calendar.
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* @param string $inner_sql
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*/
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function initialize($inner_sql)
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{
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parent::initialize($inner_sql);
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global $lang;
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$this->calendar_levels = array(
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array(
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'sql'=> pwg_db_get_year($this->date_field),
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'labels' => null
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),
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array(
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'sql'=> pwg_db_get_month($this->date_field),
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'labels' => $lang['month']
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),
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array(
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'sql'=> pwg_db_get_dayofmonth($this->date_field),
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'labels' => null
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),
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);
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}
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/**
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* Generate navigation bars for category page.
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*
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* @return boolean false indicates that thumbnails where not included
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*/
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function generate_category_content()
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{
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global $conf, $page;
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$view_type = $page['chronology_view'];
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if ($view_type==CAL_VIEW_CALENDAR)
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{
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global $template;
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$tpl_var = array();
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if ( count($page['chronology_date'])==0 )
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{//case A: no year given - display all years+months
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if ($this->build_global_calendar($tpl_var))
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{
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$template->assign('chronology_calendar', $tpl_var);
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return true;
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}
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}
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if ( count($page['chronology_date'])==1 )
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{//case B: year given - display all days in given year
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if ($this->build_year_calendar($tpl_var))
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{
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$template->assign('chronology_calendar', $tpl_var);
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$this->build_nav_bar(CYEAR); // years
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return true;
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}
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}
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if ( count($page['chronology_date'])==2 )
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{//case C: year+month given - display a nice month calendar
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if ( $this->build_month_calendar($tpl_var) )
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{
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$template->assign('chronology_calendar', $tpl_var);
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}
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$this->build_next_prev();
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return true;
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}
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}
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if ($view_type==CAL_VIEW_LIST or count($page['chronology_date'])==3)
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{
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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(CMONTH); // month
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}
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if ( count($page['chronology_date'])==2 )
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{
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$day_labels = range( 1, $this->get_all_days_in_month(
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$page['chronology_date'][CYEAR] ,$page['chronology_date'][CMONTH] ) );
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array_unshift($day_labels, 0);
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unset( $day_labels[0] );
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$this->build_nav_bar( CDAY, $day_labels ); // days
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}
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$this->build_next_prev();
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}
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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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*
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* @param int $max_levels (e.g. 2=only year and month)
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* @return string
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*/
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function get_date_where($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 $date[CYEAR]!=='any')
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{
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$b = $date[CYEAR] . '-';
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$e = $date[CYEAR] . '-';
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if (isset($date[CMONTH]) and $date[CMONTH]!=='any')
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{
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$b .= sprintf('%02d-', $date[CMONTH]);
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$e .= sprintf('%02d-', $date[CMONTH]);
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if (isset($date[CDAY]) and $date[CDAY]!=='any')
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{
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$b .= sprintf('%02d', $date[CDAY]);
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$e .= sprintf('%02d', $date[CDAY]);
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}
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else
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{
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$b .= '01';
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$e .= $this->get_all_days_in_month($date[CYEAR], $date[CMONTH]);
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}
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}
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else
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{
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$b .= '01-01';
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$e .= '12-31';
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if (isset($date[CMONTH]) and $date[CMONTH]!=='any')
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{
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$res .= ' AND '.$this->calendar_levels[CMONTH]['sql'].'='.$date[CMONTH];
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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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}
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$res = " AND $this->date_field BETWEEN '$b' AND '$e 23:59:59'" . $res;
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}
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else
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{
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$res = ' AND '.$this->date_field.' IS NOT NULL';
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if (isset($date[CMONTH]) and $date[CMONTH]!=='any')
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{
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$res .= ' AND '.$this->calendar_levels[CMONTH]['sql'].'='.$date[CMONTH];
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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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}
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return $res;
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}
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/**
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* Returns an array with all the days in a given month.
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*
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* @param int $year
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* @param int $month
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* @return int[]
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*/
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protected function get_all_days_in_month($year, $month)
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{
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$md= array(1=>31,28,31,30,31,30,31,31,30,31,30,31);
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if ( is_numeric($year) and $month==2)
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{
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$nb_days = $md[2];
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if ( ($year%4==0) and ( ($year%100!=0) or ($year%400!=0) ) )
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{
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$nb_days++;
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}
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}
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elseif ( is_numeric($month) )
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{
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$nb_days = $md[ $month ];
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}
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else
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{
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$nb_days = 31;
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}
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return $nb_days;
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}
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/**
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* Build global calendar and assign the result in _$tpl_var_
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*
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* @param array $tpl_var
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* @return bool
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*/
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protected function build_global_calendar(&$tpl_var)
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{
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global $page;
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assert( count($page['chronology_date']) == 0 );
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$query='
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SELECT '.pwg_db_get_date_YYYYMM($this->date_field).' as period,
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COUNT(distinct id) as count';
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$query.= $this->inner_sql;
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$query.= $this->get_date_where();
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$query.= '
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GROUP BY period
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ORDER BY '.pwg_db_get_year($this->date_field).' DESC, '.pwg_db_get_month($this->date_field).' ASC';
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$result = pwg_query($query);
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$items=array();
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while ($row = pwg_db_fetch_assoc($result))
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{
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$y = substr($row['period'], 0, 4);
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$m = (int)substr($row['period'], 4, 2);
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if ( ! isset($items[$y]) )
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{
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$items[$y] = array('nb_images'=>0, 'children'=>array() );
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}
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$items[$y]['children'][$m] = $row['count'];
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$items[$y]['nb_images'] += $row['count'];
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}
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//echo ('<pre>'. var_export($items, true) . '</pre>');
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if (count($items)==1)
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{// only one year exists so bail out to year view
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list($y) = array_keys($items);
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$page['chronology_date'][CYEAR] = $y;
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return false;
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}
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global $lang;
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foreach ( $items as $year=>$year_data)
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{
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$chronology_date = array( $year );
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$url = duplicate_index_url( array('chronology_date'=>$chronology_date) );
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$nav_bar = $this->get_nav_bar_from_items( $chronology_date,
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$year_data['children'], false, false, $lang['month'] );
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$tpl_var['calendar_bars'][] =
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array(
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'U_HEAD' => $url,
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'NB_IMAGES' => $year_data['nb_images'],
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'HEAD_LABEL' => $year,
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'items' => $nav_bar,
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);
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}
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return true;
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}
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/**
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* Build year calendar and assign the result in _$tpl_var_
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*
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* @param array $tpl_var
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* @return bool
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*/
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protected function build_year_calendar(&$tpl_var)
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{
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global $page;
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assert( count($page['chronology_date']) == 1 );
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$query='SELECT '.pwg_db_get_date_MMDD($this->date_field).' as period,
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COUNT(DISTINCT id) as count';
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$query.= $this->inner_sql;
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$query.= $this->get_date_where();
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$query.= '
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GROUP BY period
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ORDER BY period ASC';
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$result = pwg_query($query);
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$items=array();
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while ($row = pwg_db_fetch_assoc($result))
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{
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$m = (int)substr($row['period'], 0, 2);
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$d = substr($row['period'], 2, 2);
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if ( ! isset($items[$m]) )
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{
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$items[$m] = array('nb_images'=>0, 'children'=>array() );
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}
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$items[$m]['children'][$d] = $row['count'];
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$items[$m]['nb_images'] += $row['count'];
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}
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if (count($items)==1)
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{ // only one month exists so bail out to month view
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list($m) = array_keys($items);
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$page['chronology_date'][CMONTH] = $m;
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return false;
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}
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global $lang;
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foreach ( $items as $month=>$month_data)
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{
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$chronology_date = array( $page['chronology_date'][CYEAR], $month );
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$url = duplicate_index_url( array('chronology_date'=>$chronology_date) );
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$nav_bar = $this->get_nav_bar_from_items( $chronology_date,
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$month_data['children'], false );
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$tpl_var['calendar_bars'][] =
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array(
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'U_HEAD' => $url,
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'NB_IMAGES' => $month_data['nb_images'],
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'HEAD_LABEL' => $lang['month'][$month],
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'items' => $nav_bar,
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);
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}
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return true;
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}
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/**
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* Build month calendar and assign the result in _$tpl_var_
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*
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* @param array $tpl_var
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* @return bool
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*/
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protected function build_month_calendar(&$tpl_var)
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{
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global $page, $lang, $conf;
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$query='SELECT '.pwg_db_get_dayofmonth($this->date_field).' as period,
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COUNT(DISTINCT id) as count';
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$query.= $this->inner_sql;
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$query.= $this->get_date_where();
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$query.= '
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GROUP BY period
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ORDER BY period ASC';
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$items=array();
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$result = pwg_query($query);
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while ($row = pwg_db_fetch_assoc($result))
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{
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$d = (int)$row['period'];
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$items[$d] = array('nb_images'=>$row['count']);
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}
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foreach ( $items as $day=>$data)
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{
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$page['chronology_date'][CDAY]=$day;
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$query = '
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SELECT id, file,representative_ext,path,width,height,rotation, '.pwg_db_get_dayofweek($this->date_field).'-1 as dow';
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$query.= $this->inner_sql;
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$query.= $this->get_date_where();
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$query.= '
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ORDER BY '.DB_RANDOM_FUNCTION.'()
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LIMIT 1';
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unset ( $page['chronology_date'][CDAY] );
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$row = pwg_db_fetch_assoc(pwg_query($query));
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$derivative = new DerivativeImage(IMG_SQUARE, new SrcImage($row));
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$items[$day]['derivative'] = $derivative;
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$items[$day]['file'] = $row['file'];
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$items[$day]['dow'] = $row['dow'];
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}
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if ( !empty($items) )
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{
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list($known_day) = array_keys($items);
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$known_dow = $items[$known_day]['dow'];
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$first_day_dow = ($known_dow-($known_day-1))%7;
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if ($first_day_dow<0)
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{
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$first_day_dow += 7;
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}
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//first_day_dow = week day corresponding to the first day of this month
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$wday_labels = $lang['day'];
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if ('monday' == $conf['week_starts_on'])
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{
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if ($first_day_dow==0)
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{
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$first_day_dow = 6;
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}
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else
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{
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$first_day_dow -= 1;
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}
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$wday_labels[] = array_shift($wday_labels);
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}
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list($cell_width, $cell_height) = ImageStdParams::get_by_type(IMG_SQUARE)->sizing->ideal_size;
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$tpl_weeks = array();
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$tpl_crt_week = array();
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//fill the empty days in the week before first day of this month
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for ($i=0; $i<$first_day_dow; $i++)
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{
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$tpl_crt_week[] = array();
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}
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for ( $day = 1;
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$day <= $this->get_all_days_in_month(
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$page['chronology_date'][CYEAR], $page['chronology_date'][CMONTH]
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);
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$day++)
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{
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$dow = ($first_day_dow + $day-1)%7;
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if ($dow==0 and $day!=1)
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{
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$tpl_weeks[] = $tpl_crt_week; // add finished week to week list
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$tpl_crt_week = array(); // start new week
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}
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if ( !isset($items[$day]) )
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{// empty day
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$tpl_crt_week[] =
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array(
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'DAY' => $day
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);
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}
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else
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{
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$url = duplicate_index_url(
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array(
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'chronology_date' =>
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array(
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$page['chronology_date'][CYEAR],
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$page['chronology_date'][CMONTH],
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$day
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)
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)
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);
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$tpl_crt_week[] =
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array(
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'DAY' => $day,
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'DOW' => $dow,
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'NB_ELEMENTS' => $items[$day]['nb_images'],
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'IMAGE' => $items[$day]['derivative']->get_url(),
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'U_IMG_LINK' => $url,
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'IMAGE_ALT' => $items[$day]['file'],
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);
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}
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}
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//fill the empty days in the week after the last day of this month
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while ( $dow<6 )
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{
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$tpl_crt_week[] = array();
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$dow++;
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}
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$tpl_weeks[] = $tpl_crt_week;
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$tpl_var['month_view'] =
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array(
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'CELL_WIDTH' => $cell_width,
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'CELL_HEIGHT' => $cell_height,
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'wday_labels' => $wday_labels,
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'weeks' => $tpl_weeks,
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);
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}
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return true;
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}
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}
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?>
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