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) 2008-2016 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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| /**
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|  * @package functions\calendar
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|  */
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| 
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| include_once(PHPWG_ROOT_PATH.'include/calendar_base.class.php');
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| 
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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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| 
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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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|   /**
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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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| 
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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', $tpl_var);
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|           return true;
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|         }
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|       }
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| 
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|       if ( count($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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|           $this->build_nav_bar(CYEAR); // years
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|           return true;
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|         }
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|       }
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| 
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|       if ( count($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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|         $this->build_next_prev();
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|         return true;
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|       }
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|     }
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| 
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|     if ($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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|   /**
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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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| 
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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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|   /**
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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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|     $md= array(1=>31,28,31,30,31,30,31,31,30,31,30,31);
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| 
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|     if ( is_numeric($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 $nb_days;
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|   }
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| 
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|   /**
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|    * Build global calendar and assign the result in _$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 $page;
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| 
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|     assert( count($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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| 
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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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| 
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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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| 
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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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| 
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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' => $nav_bar,
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|         );
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|     }
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| 
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|     return true;
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|   }
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| 
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|   /**
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|    * Build year calendar and assign the result in _$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 $page;
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| 
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|     assert( count($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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| 
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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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| 
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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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| 
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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' => $nav_bar,
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|         );
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|     }
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| 
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|     return true;
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|   }
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| 
 | |
|   /**
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|    * Build month calendar and assign the result in _$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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| 
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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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| 
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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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| 
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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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| 
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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'] = $row['dow'];
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|     }
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| 
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|     if ( !empty($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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| 
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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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| 
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|         $wday_labels[] = array_shift($wday_labels);
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|       }
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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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| 
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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' =>
 | |
|                   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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|             );
 | |
| 
 | |
|           $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'],
 | |
|                 'IMAGE'       => $items[$day]['derivative']->get_url(),
 | |
|                 '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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|       //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();
 | |
|         $dow++;
 | |
|       }
 | |
|       $tpl_weeks[]    = $tpl_crt_week;
 | |
| 
 | |
|       $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,
 | |
|              'weeks' => $tpl_weeks,
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|             );
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|     }
 | |
| 
 | |
|     return true;
 | |
|   }
 | |
| }
 | |
| 
 | |
| ?>
 | 
