git-svn-id: http://piwigo.org/svn/trunk@2357 68402e56-0260-453c-a942-63ccdbb3a9ee

1 files changed, 136 insertions, 0 deletions

diff --git a/BSF/include/calendar_weekly.class.php b/BSF/include/calendar_weekly.class.php
new file mode 100644
index 000000000..2077bc594
--- /dev/null
+++ b/BSF/include/calendar_weekly.class.php
@@ -0,0 +1,136 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | Piwigo - a PHP based picture gallery                                  |
+// +-----------------------------------------------------------------------+
+// | Copyright(C) 2008      Piwigo Team                  http://piwigo.org |
+// | Copyright(C) 2003-2008 PhpWebGallery Team    http://phpwebgallery.net |
+// | Copyright(C) 2002-2003 Pierrick LE GALL   http://le-gall.net/pierrick |
+// +-----------------------------------------------------------------------+
+// | This program is free software; you can redistribute it and/or modify  |
+// | it under the terms of the GNU General Public License as published by  |
+// | the Free Software Foundation                                          |
+// |                                                                       |
+// | This program is distributed in the hope that it will be useful, but   |
+// | WITHOUT ANY WARRANTY; without even the implied warranty of            |
+// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      |
+// | General Public License for more details.                              |
+// |                                                                       |
+// | You should have received a copy of the GNU General Public License     |
+// | along with this program; if not, write to the Free Software           |
+// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
+// | USA.                                                                  |
+// +-----------------------------------------------------------------------+
+
+include_once(PHPWG_ROOT_PATH.'include/calendar_base.class.php');
+
+define ('CYEAR', 0);
+define ('CWEEK', 1);
+define ('CDAY',  2);
+
+/**
+ * Weekly calendar style (composed of years/week in years and days in week)
+ */
+class Calendar extends CalendarBase
+{
+
+  /**
+   * Initialize the calendar
+   * @param string inner_sql used for queries (INNER JOIN or normal)
+   */
+  function initialize($inner_sql)
+  {
+    parent::initialize($inner_sql);
+    global $lang;
+    $week_no_labels=array();
+    for ($i=1; $i<=53; $i++)
+    {
+      $week_no_labels[$i] = sprintf( l10n("Week %d"), $i);
+      //$week_no_labels[$i] = $i;
+    }
+
+    $this->calendar_levels = array(
+      array(
+          'sql'=> 'YEAR('.$this->date_field.')',
+          'labels' => null
+        ),
+      array(
+          'sql'=> 'WEEK('.$this->date_field.')+1',
+          'labels' => $week_no_labels,
+        ),
+      array(
+          'sql'=> 'DAYOFWEEK('.$this->date_field.')-1',
+          'labels' => $lang['day']
+        ),
+     );
+    //Comment next lines for week starting on Sunday or if MySQL version<4.0.17
+    //WEEK(date,5) = "0-53 - Week 1=the first week with a Monday in this year"
+    $this->calendar_levels[CWEEK]['sql'] = 'WEEK('.$this->date_field.',5)+1';
+    $this->calendar_levels[CDAY]['sql'] = 'WEEKDAY('.$this->date_field.')';
+    array_push( $this->calendar_levels[CDAY]['labels'],
+                array_shift( $this->calendar_levels[CDAY]['labels'] ) );
+  }
+
+/**
+ * Generate navigation bars for category page
+ * @return boolean false to indicate that thumbnails where not included here
+ */
+function generate_category_content()
+{
+  global $conf, $page;
+
+  if ( count($page['chronology_date'])==0 )
+  {
+    $this->build_nav_bar(CYEAR); // years
+  }
+  if ( count($page['chronology_date'])==1 )
+  {
+    $this->build_nav_bar(CWEEK, array()); // week nav bar 1-53
+  }
+  if ( count($page['chronology_date'])==2 )
+  {
+    $this->build_nav_bar(CDAY); // days nav bar Mon-Sun
+  }
+  $this->build_next_prev();
+  return false;
+}
+
+
+/**
+ * Returns a sql where subquery for the date field
+ * @param int max_levels return the where up to this level
+ * (e.g. 2=only year and week in year)
+ * @return string
+ */
+function get_date_where($max_levels=3)
+{
+  global $page;
+  $date = $page['chronology_date'];
+  while (count($date)>$max_levels)
+  {
+    array_pop($date);
+  }
+  $res = '';
+  if (isset($date[CYEAR]) and $date[CYEAR]!=='any')
+  {
+    $y = $date[CYEAR];
+    $res = " AND $this->date_field BETWEEN '$y-01-01' AND '$y-12-31 23:59:59'";
+  }
+
+  if (isset($date[CWEEK]) and $date[CWEEK]!=='any')
+  {
+    $res .= ' AND '.$this->calendar_levels[CWEEK]['sql'].'='.$date[CWEEK];
+  }
+  if (isset($date[CDAY]) and $date[CDAY]!=='any')
+  {
+    $res .= ' AND '.$this->calendar_levels[CDAY]['sql'].'='.$date[CDAY];
+  }
+  if (empty($res))
+  {
+    $res = ' AND '.$this->date_field.' IS NOT NULL';
+  }
+  return $res;
+}
+
+}
+
+?>