[1109] | 1 | <?php |
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[1055] | 2 | // +-----------------------------------------------------------------------+ |
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[2297] | 3 | // | Piwigo - a PHP based picture gallery | |
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| 4 | // +-----------------------------------------------------------------------+ |
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[3049] | 5 | // | Copyright(C) 2008-2009 Piwigo Team http://piwigo.org | |
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[2297] | 6 | // | Copyright(C) 2003-2008 PhpWebGallery Team http://phpwebgallery.net | |
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| 7 | // | Copyright(C) 2002-2003 Pierrick LE GALL http://le-gall.net/pierrick | |
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| 8 | // +-----------------------------------------------------------------------+ |
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| 9 | // | This program is free software; you can redistribute it and/or modify | |
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| 10 | // | it under the terms of the GNU General Public License as published by | |
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| 11 | // | the Free Software Foundation | |
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| 12 | // | | |
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| 13 | // | This program is distributed in the hope that it will be useful, but | |
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| 14 | // | WITHOUT ANY WARRANTY; without even the implied warranty of | |
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| 15 | // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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| 16 | // | General Public License for more details. | |
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| 17 | // | | |
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| 18 | // | You should have received a copy of the GNU General Public License | |
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| 19 | // | along with this program; if not, write to the Free Software | |
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| 20 | // | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
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| 21 | // | USA. | |
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| 22 | // +-----------------------------------------------------------------------+ |
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[1055] | 23 | |
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| 24 | include_once(PHPWG_ROOT_PATH.'include/calendar_base.class.php'); |
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| 25 | |
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[1057] | 26 | define ('CYEAR', 0); |
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| 27 | define ('CMONTH', 1); |
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| 28 | define ('CDAY', 2); |
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| 29 | |
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[1055] | 30 | /** |
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| 31 | * Monthly calendar style (composed of years/months and days) |
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| 32 | */ |
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| 33 | class Calendar extends CalendarBase |
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| 34 | { |
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| 35 | |
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[1059] | 36 | /** |
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| 37 | * Initialize the calendar |
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| 38 | * @param string inner_sql used for queries (INNER JOIN or normal) |
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| 39 | */ |
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[1086] | 40 | function initialize($inner_sql) |
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[1059] | 41 | { |
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[1086] | 42 | parent::initialize($inner_sql); |
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[1059] | 43 | global $lang; |
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| 44 | $this->calendar_levels = array( |
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| 45 | array( |
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| 46 | 'sql'=> 'YEAR('.$this->date_field.')', |
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| 47 | 'labels' => null |
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| 48 | ), |
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| 49 | array( |
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| 50 | 'sql'=> 'MONTH('.$this->date_field.')', |
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| 51 | 'labels' => $lang['month'] |
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| 52 | ), |
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| 53 | array( |
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| 54 | 'sql'=> 'DAYOFMONTH('.$this->date_field.')', |
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| 55 | 'labels' => null |
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| 56 | ), |
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| 57 | ); |
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| 58 | } |
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| 59 | |
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[1055] | 60 | /** |
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| 61 | * Generate navigation bars for category page |
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| 62 | * @return boolean false to indicate that thumbnails |
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| 63 | * where not included here, true otherwise |
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| 64 | */ |
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[1086] | 65 | function generate_category_content() |
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[1055] | 66 | { |
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[1086] | 67 | global $conf, $page; |
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[1055] | 68 | |
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[1090] | 69 | $view_type = $page['chronology_view']; |
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[1057] | 70 | if ($view_type==CAL_VIEW_CALENDAR) |
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| 71 | { |
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[2231] | 72 | global $template; |
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| 73 | $tpl_var = array(); |
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[1086] | 74 | if ( count($page['chronology_date'])==0 ) |
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[1057] | 75 | {//case A: no year given - display all years+months |
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[2231] | 76 | if ($this->build_global_calendar($tpl_var)) |
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| 77 | { |
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| 78 | $template->assign('chronology_calendar', $tpl_var); |
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[1057] | 79 | return true; |
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[2231] | 80 | } |
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[1057] | 81 | } |
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[1055] | 82 | |
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[1086] | 83 | if ( count($page['chronology_date'])==1 ) |
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[1057] | 84 | {//case B: year given - display all days in given year |
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[2231] | 85 | if ($this->build_year_calendar($tpl_var)) |
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[1057] | 86 | { |
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[2231] | 87 | $template->assign('chronology_calendar', $tpl_var); |
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[1059] | 88 | $this->build_nav_bar(CYEAR); // years |
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[1057] | 89 | return true; |
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| 90 | } |
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| 91 | } |
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| 92 | |
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[1086] | 93 | if ( count($page['chronology_date'])==2 ) |
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[1057] | 94 | {//case C: year+month given - display a nice month calendar |
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[2231] | 95 | if ( $this->build_month_calendar($tpl_var) ) |
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| 96 | { |
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| 97 | $template->assign('chronology_calendar', $tpl_var); |
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| 98 | } |
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[1062] | 99 | $this->build_next_prev(); |
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[1055] | 100 | return true; |
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| 101 | } |
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| 102 | } |
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| 103 | |
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[1086] | 104 | if ($view_type==CAL_VIEW_LIST or count($page['chronology_date'])==3) |
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[1055] | 105 | { |
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[1086] | 106 | if ( count($page['chronology_date'])==0 ) |
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[1057] | 107 | { |
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[1059] | 108 | $this->build_nav_bar(CYEAR); // years |
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[1057] | 109 | } |
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[1086] | 110 | if ( count($page['chronology_date'])==1) |
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[1057] | 111 | { |
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[1059] | 112 | $this->build_nav_bar(CMONTH); // month |
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[1057] | 113 | } |
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[1086] | 114 | if ( count($page['chronology_date'])==2 ) |
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[1057] | 115 | { |
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[1062] | 116 | $day_labels = range( 1, $this->get_all_days_in_month( |
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[1086] | 117 | $page['chronology_date'][CYEAR] ,$page['chronology_date'][CMONTH] ) ); |
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[1062] | 118 | array_unshift($day_labels, 0); |
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| 119 | unset( $day_labels[0] ); |
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| 120 | $this->build_nav_bar( CDAY, $day_labels ); // days |
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[1057] | 121 | } |
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[1062] | 122 | $this->build_next_prev(); |
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[1055] | 123 | } |
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| 124 | return false; |
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| 125 | } |
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| 126 | |
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| 127 | |
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| 128 | /** |
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| 129 | * Returns a sql where subquery for the date field |
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| 130 | * @param int max_levels return the where up to this level |
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| 131 | * (e.g. 2=only year and month) |
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| 132 | * @return string |
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| 133 | */ |
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[1057] | 134 | function get_date_where($max_levels=3) |
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[1055] | 135 | { |
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[1086] | 136 | global $page; |
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| 137 | $date = $page['chronology_date']; |
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[1057] | 138 | while (count($date)>$max_levels) |
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[1055] | 139 | { |
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[1057] | 140 | array_pop($date); |
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[1055] | 141 | } |
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| 142 | $res = ''; |
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[1069] | 143 | if (isset($date[CYEAR]) and $date[CYEAR]!=='any') |
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[1055] | 144 | { |
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[1057] | 145 | $b = $date[CYEAR] . '-'; |
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| 146 | $e = $date[CYEAR] . '-'; |
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[1069] | 147 | if (isset($date[CMONTH]) and $date[CMONTH]!=='any') |
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[1055] | 148 | { |
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[1057] | 149 | $b .= $date[CMONTH] . '-'; |
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| 150 | $e .= $date[CMONTH] . '-'; |
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[1069] | 151 | if (isset($date[CDAY]) and $date[CDAY]!=='any') |
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[1055] | 152 | { |
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[1057] | 153 | $b .= $date[CDAY]; |
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| 154 | $e .= $date[CDAY]; |
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[1055] | 155 | } |
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| 156 | else |
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| 157 | { |
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| 158 | $b .= '01'; |
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| 159 | $e .= '31'; |
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| 160 | } |
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| 161 | } |
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| 162 | else |
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| 163 | { |
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| 164 | $b .= '01-01'; |
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| 165 | $e .= '12-31'; |
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[1069] | 166 | if (isset($date[CMONTH]) and $date[CMONTH]!=='any') |
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[1055] | 167 | { |
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[1059] | 168 | $res .= ' AND '.$this->calendar_levels[CMONTH]['sql'].'='.$date[CMONTH]; |
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[1055] | 169 | } |
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[1069] | 170 | if (isset($date[CDAY]) and $date[CDAY]!=='any') |
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[1055] | 171 | { |
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[1059] | 172 | $res .= ' AND '.$this->calendar_levels[CDAY]['sql'].'='.$date[CDAY]; |
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[1055] | 173 | } |
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| 174 | } |
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| 175 | $res = " AND $this->date_field BETWEEN '$b' AND '$e 23:59:59'" . $res; |
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| 176 | } |
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| 177 | else |
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| 178 | { |
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| 179 | $res = ' AND '.$this->date_field.' IS NOT NULL'; |
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[1069] | 180 | if (isset($date[CMONTH]) and $date[CMONTH]!=='any') |
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[1055] | 181 | { |
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[1059] | 182 | $res .= ' AND '.$this->calendar_levels[CMONTH]['sql'].'='.$date[CMONTH]; |
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[1055] | 183 | } |
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[1069] | 184 | if (isset($date[CDAY]) and $date[CDAY]!=='any') |
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[1055] | 185 | { |
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[1059] | 186 | $res .= ' AND '.$this->calendar_levels[CDAY]['sql'].'='.$date[CDAY]; |
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[1055] | 187 | } |
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| 188 | } |
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| 189 | return $res; |
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| 190 | } |
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| 191 | |
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[1057] | 192 | |
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[1059] | 193 | |
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| 194 | //--------------------------------------------------------- private members --- |
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| 195 | |
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| 196 | // returns an array with alll the days in a given month |
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| 197 | function get_all_days_in_month($year, $month) |
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[1057] | 198 | { |
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[1059] | 199 | $md= array(1=>31,28,31,30,31,30,31,31,30,31,30,31); |
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| 200 | |
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| 201 | if ( is_numeric($year) and $month==2) |
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[1057] | 202 | { |
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[1059] | 203 | $nb_days = $md[2]; |
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| 204 | if ( ($year%4==0) and ( ($year%100!=0) or ($year%400!=0) ) ) |
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| 205 | { |
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| 206 | $nb_days++; |
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| 207 | } |
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[1057] | 208 | } |
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[1059] | 209 | elseif ( is_numeric($month) ) |
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[1057] | 210 | { |
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[1059] | 211 | $nb_days = $md[ $month ]; |
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[1057] | 212 | } |
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[1059] | 213 | else |
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[1057] | 214 | { |
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[1059] | 215 | $nb_days = 31; |
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[1057] | 216 | } |
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[1061] | 217 | return $nb_days; |
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[1057] | 218 | } |
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| 219 | |
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[2231] | 220 | function build_global_calendar(&$tpl_var) |
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[1055] | 221 | { |
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[1086] | 222 | global $page; |
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| 223 | assert( count($page['chronology_date']) == 0 ); |
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[1055] | 224 | $query='SELECT DISTINCT(DATE_FORMAT('.$this->date_field.',"%Y%m")) as period, |
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[1059] | 225 | COUNT( DISTINCT(id) ) as count'; |
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[1055] | 226 | $query.= $this->inner_sql; |
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[1057] | 227 | $query.= $this->get_date_where(); |
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[1055] | 228 | $query.= ' |
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[1069] | 229 | GROUP BY period |
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[1092] | 230 | ORDER BY YEAR('.$this->date_field.') DESC, MONTH('.$this->date_field.')'; |
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[1055] | 231 | |
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| 232 | $result = pwg_query($query); |
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[1059] | 233 | $items=array(); |
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[1055] | 234 | while ($row = mysql_fetch_array($result)) |
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| 235 | { |
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| 236 | $y = substr($row['period'], 0, 4); |
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| 237 | $m = (int)substr($row['period'], 4, 2); |
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| 238 | if ( ! isset($items[$y]) ) |
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| 239 | { |
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| 240 | $items[$y] = array('nb_images'=>0, 'children'=>array() ); |
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| 241 | } |
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| 242 | $items[$y]['children'][$m] = $row['count']; |
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| 243 | $items[$y]['nb_images'] += $row['count']; |
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| 244 | } |
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| 245 | //echo ('<pre>'. var_export($items, true) . '</pre>'); |
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| 246 | if (count($items)==1) |
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| 247 | {// only one year exists so bail out to year view |
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| 248 | list($y) = array_keys($items); |
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[1086] | 249 | $page['chronology_date'][CYEAR] = $y; |
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[1055] | 250 | return false; |
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| 251 | } |
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| 252 | |
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[2231] | 253 | global $lang; |
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[1055] | 254 | foreach ( $items as $year=>$year_data) |
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| 255 | { |
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[1086] | 256 | $chronology_date = array( $year ); |
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| 257 | $url = duplicate_index_url( array('chronology_date'=>$chronology_date) ); |
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[1055] | 258 | |
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[2231] | 259 | $nav_bar = $this->get_nav_bar_from_items( $chronology_date, |
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[3168] | 260 | $year_data['children'], false, false, $lang['month'] ); |
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[1055] | 261 | |
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[2231] | 262 | $tpl_var['calendar_bars'][] = |
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| 263 | array( |
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| 264 | 'U_HEAD' => $url, |
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| 265 | 'NB_IMAGES' => $year_data['nb_images'], |
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| 266 | 'HEAD_LABEL' => $year, |
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[3168] | 267 | 'items' => $nav_bar, |
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[2231] | 268 | ); |
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[1055] | 269 | } |
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| 270 | return true; |
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| 271 | } |
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| 272 | |
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[2231] | 273 | function build_year_calendar(&$tpl_var) |
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[1055] | 274 | { |
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[1086] | 275 | global $page; |
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| 276 | assert( count($page['chronology_date']) == 1 ); |
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[1055] | 277 | $query='SELECT DISTINCT(DATE_FORMAT('.$this->date_field.',"%m%d")) as period, |
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[1059] | 278 | COUNT( DISTINCT(id) ) as count'; |
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[1055] | 279 | $query.= $this->inner_sql; |
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[1057] | 280 | $query.= $this->get_date_where(); |
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[1055] | 281 | $query.= ' |
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| 282 | GROUP BY period'; |
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| 283 | |
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| 284 | $result = pwg_query($query); |
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[1059] | 285 | $items=array(); |
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[1055] | 286 | while ($row = mysql_fetch_array($result)) |
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| 287 | { |
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| 288 | $m = (int)substr($row['period'], 0, 2); |
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| 289 | $d = substr($row['period'], 2, 2); |
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| 290 | if ( ! isset($items[$m]) ) |
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| 291 | { |
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| 292 | $items[$m] = array('nb_images'=>0, 'children'=>array() ); |
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| 293 | } |
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| 294 | $items[$m]['children'][$d] = $row['count']; |
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| 295 | $items[$m]['nb_images'] += $row['count']; |
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| 296 | } |
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| 297 | if (count($items)==1) |
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| 298 | { // only one month exists so bail out to month view |
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| 299 | list($m) = array_keys($items); |
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[1086] | 300 | $page['chronology_date'][CMONTH] = $m; |
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[1055] | 301 | return false; |
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| 302 | } |
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[2231] | 303 | global $lang; |
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[1055] | 304 | foreach ( $items as $month=>$month_data) |
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| 305 | { |
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[1086] | 306 | $chronology_date = array( $page['chronology_date'][CYEAR], $month ); |
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| 307 | $url = duplicate_index_url( array('chronology_date'=>$chronology_date) ); |
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[1055] | 308 | |
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[2231] | 309 | $nav_bar = $this->get_nav_bar_from_items( $chronology_date, |
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[3168] | 310 | $month_data['children'], false ); |
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[1055] | 311 | |
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[2231] | 312 | $tpl_var['calendar_bars'][] = |
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| 313 | array( |
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| 314 | 'U_HEAD' => $url, |
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| 315 | 'NB_IMAGES' => $month_data['nb_images'], |
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| 316 | 'HEAD_LABEL' => $lang['month'][$month], |
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[3168] | 317 | 'items' => $nav_bar, |
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[2231] | 318 | ); |
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[1055] | 319 | } |
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| 320 | return true; |
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| 321 | |
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| 322 | } |
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| 323 | |
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[2231] | 324 | function build_month_calendar(&$tpl_var) |
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[1055] | 325 | { |
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[1086] | 326 | global $page; |
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[1061] | 327 | $query='SELECT DISTINCT(DAYOFMONTH('.$this->date_field.')) as period, |
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| 328 | COUNT( DISTINCT(id) ) as count'; |
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[1055] | 329 | $query.= $this->inner_sql; |
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[1086] | 330 | $query.= $this->get_date_where(); |
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[1055] | 331 | $query.= ' |
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| 332 | GROUP BY period'; |
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| 333 | |
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[1558] | 334 | $items=array(); |
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[1055] | 335 | $result = pwg_query($query); |
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| 336 | while ($row = mysql_fetch_array($result)) |
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| 337 | { |
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[1061] | 338 | $d = (int)$row['period']; |
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[1059] | 339 | $items[$d] = array('nb_images'=>$row['count']); |
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[1055] | 340 | } |
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| 341 | |
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[1059] | 342 | foreach ( $items as $day=>$data) |
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[1055] | 343 | { |
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[1086] | 344 | $page['chronology_date'][CDAY]=$day; |
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[1055] | 345 | $query = ' |
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[1597] | 346 | SELECT id, file,tn_ext,path, width, height, DAYOFWEEK('.$this->date_field.')-1 as dow'; |
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[1055] | 347 | $query.= $this->inner_sql; |
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[1057] | 348 | $query.= $this->get_date_where(); |
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[1055] | 349 | $query.= ' |
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| 350 | ORDER BY RAND() |
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| 351 | LIMIT 0,1'; |
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[1086] | 352 | unset ( $page['chronology_date'][CDAY] ); |
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[1055] | 353 | |
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[1597] | 354 | $row = mysql_fetch_assoc(pwg_query($query)); |
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| 355 | $items[$day]['tn_url'] = get_thumbnail_url($row); |
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[1092] | 356 | $items[$day]['file'] = $row['file']; |
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| 357 | $items[$day]['path'] = $row['path']; |
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| 358 | $items[$day]['tn_ext'] = @$row['tn_ext']; |
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[1061] | 359 | $items[$day]['width'] = $row['width']; |
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| 360 | $items[$day]['height'] = $row['height']; |
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| 361 | $items[$day]['dow'] = $row['dow']; |
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[1059] | 362 | } |
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[1055] | 363 | |
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[2231] | 364 | global $lang, $conf; |
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[1061] | 365 | |
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| 366 | if ( !empty($items) |
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| 367 | and $conf['calendar_month_cell_width']>0 |
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| 368 | and $conf['calendar_month_cell_height']>0) |
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[1059] | 369 | { |
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[1061] | 370 | list($known_day) = array_keys($items); |
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| 371 | $known_dow = $items[$known_day]['dow']; |
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| 372 | $first_day_dow = ($known_dow-($known_day-1))%7; |
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| 373 | if ($first_day_dow<0) |
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| 374 | { |
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| 375 | $first_day_dow += 7; |
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| 376 | } |
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| 377 | //first_day_dow = week day corresponding to the first day of this month |
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| 378 | $wday_labels = $lang['day']; |
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[1055] | 379 | |
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[1061] | 380 | // BEGIN - pass now in week starting Monday |
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| 381 | if ($first_day_dow==0) |
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| 382 | { |
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| 383 | $first_day_dow = 6; |
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| 384 | } |
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| 385 | else |
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| 386 | { |
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| 387 | $first_day_dow -= 1; |
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| 388 | } |
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| 389 | array_push( $wday_labels, array_shift($wday_labels) ); |
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| 390 | // END - pass now in week starting Monday |
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[1059] | 391 | |
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[1061] | 392 | $cell_width = $conf['calendar_month_cell_width']; |
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| 393 | $cell_height = $conf['calendar_month_cell_height']; |
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| 394 | |
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[2231] | 395 | $tpl_weeks = array(); |
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| 396 | $tpl_crt_week = array(); |
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[1061] | 397 | |
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| 398 | //fill the empty days in the week before first day of this month |
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| 399 | for ($i=0; $i<$first_day_dow; $i++) |
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| 400 | { |
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[2231] | 401 | $tpl_crt_week[] = array(); |
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[1061] | 402 | } |
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[2231] | 403 | |
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[1086] | 404 | for ( $day = 1; |
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| 405 | $day <= $this->get_all_days_in_month( |
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| 406 | $page['chronology_date'][CYEAR], $page['chronology_date'][CMONTH] |
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| 407 | ); |
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| 408 | $day++) |
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[1061] | 409 | { |
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| 410 | $dow = ($first_day_dow + $day-1)%7; |
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[1352] | 411 | if ($dow==0 and $day!=1) |
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[1061] | 412 | { |
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[2231] | 413 | $tpl_weeks[] = $tpl_crt_week; // add finished week to week list |
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| 414 | $tpl_crt_week = array(); // start new week |
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[1061] | 415 | } |
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[2231] | 416 | |
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[1061] | 417 | if ( !isset($items[$day]) ) |
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[2231] | 418 | {// empty day |
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| 419 | $tpl_crt_week[] = |
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| 420 | array( |
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| 421 | 'DAY' => $day |
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| 422 | ); |
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[1061] | 423 | } |
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| 424 | else |
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| 425 | { |
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[2231] | 426 | $thumb = get_thumbnail_path($items[$day]); |
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| 427 | $tn_size = @getimagesize($thumb); |
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| 428 | |
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[1061] | 429 | $tn_width = $tn_size[0]; |
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| 430 | $tn_height = $tn_size[1]; |
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| 431 | |
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| 432 | // now need to fit the thumbnail of size tn_size within |
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| 433 | // a cell of size cell_size by playing with CSS position (left/top) |
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| 434 | // and the width and height of <img>. |
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| 435 | $ratio_w = $tn_width/$cell_width; |
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| 436 | $ratio_h = $tn_height/$cell_height; |
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| 437 | |
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[2231] | 438 | $pos_top=$pos_left=0; |
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| 439 | $css_style = ''; |
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[1063] | 440 | |
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[1061] | 441 | if ( $ratio_w>1 and $ratio_h>1) |
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| 442 | {// cell completely smaller than the thumbnail so we will let the browser |
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| 443 | // resize the thumbnail |
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| 444 | if ($ratio_w > $ratio_h ) |
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| 445 | {// thumbnail ratio compared to cell -> wide format |
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[2231] | 446 | $css_style = 'height:'.$cell_height.'px;'; |
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[1061] | 447 | $browser_img_width = $cell_height*$tn_width/$tn_height; |
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[1063] | 448 | $pos_left = ($browser_img_width-$cell_width)/2; |
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[1061] | 449 | } |
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| 450 | else |
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| 451 | { |
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[2231] | 452 | $css_style = 'width:'.$cell_width.'px;'; |
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[1061] | 453 | $browser_img_height = $cell_width*$tn_height/$tn_width; |
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[1063] | 454 | $pos_top = ($browser_img_height-$cell_height)/2; |
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[1061] | 455 | } |
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| 456 | } |
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| 457 | else |
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| 458 | { |
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| 459 | $pos_left = ($tn_width-$cell_width)/2; |
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| 460 | $pos_top = ($tn_height-$cell_height)/2; |
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| 461 | } |
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| 462 | |
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| 463 | if ( round($pos_left)!=0) |
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| 464 | { |
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| 465 | $css_style.='left:'.round(-$pos_left).'px;'; |
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| 466 | } |
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| 467 | if ( round($pos_top)!=0) |
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| 468 | { |
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| 469 | $css_style.='top:'.round(-$pos_top).'px;'; |
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| 470 | } |
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[1086] | 471 | $url = duplicate_index_url( |
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| 472 | array( |
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| 473 | 'chronology_date' => |
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| 474 | array( |
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| 475 | $page['chronology_date'][CYEAR], |
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| 476 | $page['chronology_date'][CMONTH], |
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| 477 | $day |
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| 478 | ) |
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| 479 | ) |
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| 480 | ); |
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[2231] | 481 | |
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| 482 | $tpl_crt_week[] = |
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| 483 | array( |
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[2265] | 484 | 'DAY' => $day, |
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| 485 | 'DOW' => $dow, |
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| 486 | 'NB_ELEMENTS' => $items[$day]['nb_images'], |
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| 487 | 'IMAGE' => $items[$day]['tn_url'], |
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| 488 | 'U_IMG_LINK' => $url, |
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| 489 | 'IMAGE_STYLE' => $css_style, |
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| 490 | 'IMAGE_ALT' => $items[$day]['file'], |
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[1061] | 491 | ); |
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| 492 | } |
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| 493 | } |
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| 494 | //fill the empty days in the week after the last day of this month |
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| 495 | while ( $dow<6 ) |
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| 496 | { |
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[2231] | 497 | $tpl_crt_week[] = array(); |
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[1061] | 498 | $dow++; |
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| 499 | } |
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[2231] | 500 | $tpl_weeks[] = $tpl_crt_week; |
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[1059] | 501 | |
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[2231] | 502 | $tpl_var['month_view'] = |
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| 503 | array( |
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| 504 | 'CELL_WIDTH' => $cell_width, |
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| 505 | 'CELL_HEIGHT' => $cell_height, |
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| 506 | 'wday_labels' => $wday_labels, |
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| 507 | 'weeks' => $tpl_weeks, |
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[1061] | 508 | ); |
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| 509 | } |
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| 510 | |
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[1055] | 511 | return true; |
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| 512 | } |
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| 513 | |
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| 514 | } |
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[2265] | 515 | ?> |
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