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

1 files changed, 515 insertions, 0 deletions

diff --git a/BSF/include/calendar_monthly.class.php b/BSF/include/calendar_monthly.class.php
new file mode 100644
index 000000000..b29997cef
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+++ b/BSF/include/calendar_monthly.class.php
@@ -0,0 +1,515 @@
+<?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 ('CMONTH', 1);
+define ('CDAY',   2);
+
+/**
+ * Monthly calendar style (composed of years/months and days)
+ */
+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;
+    $this->calendar_levels = array(
+      array(
+          'sql'=> 'YEAR('.$this->date_field.')',
+          'labels' => null
+        ),
+      array(
+          'sql'=> 'MONTH('.$this->date_field.')',
+          'labels' => $lang['month']
+        ),
+      array(
+          'sql'=> 'DAYOFMONTH('.$this->date_field.')',
+          'labels' => null
+        ),
+     );
+  }
+
+/**
+ * Generate navigation bars for category page
+ * @return boolean false to indicate that thumbnails
+ * where not included here, true otherwise
+ */
+function generate_category_content()
+{
+  global $conf, $page;
+
+  $view_type = $page['chronology_view'];
+  if ($view_type==CAL_VIEW_CALENDAR)
+  {
+    global $template;
+    $tpl_var = array();
+    if ( count($page['chronology_date'])==0 )
+    {//case A: no year given - display all years+months
+      if ($this->build_global_calendar($tpl_var))
+      {
+        $template->assign('chronology_calendar', $tpl_var);
+        return true;
+      }
+    }
+
+    if ( count($page['chronology_date'])==1 )
+    {//case B: year given - display all days in given year
+      if ($this->build_year_calendar($tpl_var))
+      {
+        $template->assign('chronology_calendar', $tpl_var);
+        $this->build_nav_bar(CYEAR); // years
+        return true;
+      }
+    }
+
+    if ( count($page['chronology_date'])==2 )
+    {//case C: year+month given - display a nice month calendar
+      if ( $this->build_month_calendar($tpl_var) )
+      {
+        $template->assign('chronology_calendar', $tpl_var);
+      }
+      $this->build_next_prev();
+      return true;
+    }
+  }
+
+  if ($view_type==CAL_VIEW_LIST or count($page['chronology_date'])==3)
+  {
+    if ( count($page['chronology_date'])==0 )
+    {
+      $this->build_nav_bar(CYEAR); // years
+    }
+    if ( count($page['chronology_date'])==1)
+    {
+      $this->build_nav_bar(CMONTH); // month
+    }
+    if ( count($page['chronology_date'])==2 )
+    {
+      $day_labels = range( 1, $this->get_all_days_in_month(
+              $page['chronology_date'][CYEAR] ,$page['chronology_date'][CMONTH] ) );
+      array_unshift($day_labels, 0);
+      unset( $day_labels[0] );
+      $this->build_nav_bar( CDAY, $day_labels ); // days
+    }
+    $this->build_next_prev();
+  }
+  return false;
+}
+
+
+/**
+ * Returns a sql where subquery for the date field
+ * @param int max_levels return the where up to this level
+ * (e.g. 2=only year and month)
+ * @return string
+ */
+function get_date_where($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')
+  {
+    $b = $date[CYEAR] . '-';
+    $e = $date[CYEAR] . '-';
+    if (isset($date[CMONTH]) and $date[CMONTH]!=='any')
+    {
+      $b .= $date[CMONTH] . '-';
+      $e .= $date[CMONTH] . '-';
+      if (isset($date[CDAY]) and $date[CDAY]!=='any')
+      {
+        $b .= $date[CDAY];
+        $e .= $date[CDAY];
+      }
+      else
+      {
+        $b .= '01';
+        $e .= '31';
+      }
+    }
+    else
+    {
+      $b .= '01-01';
+      $e .= '12-31';
+      if (isset($date[CMONTH]) and $date[CMONTH]!=='any')
+      {
+        $res .= ' AND '.$this->calendar_levels[CMONTH]['sql'].'='.$date[CMONTH];
+      }
+      if (isset($date[CDAY]) and $date[CDAY]!=='any')
+      {
+        $res .= ' AND '.$this->calendar_levels[CDAY]['sql'].'='.$date[CDAY];
+      }
+    }
+    $res = " AND $this->date_field BETWEEN '$b' AND '$e 23:59:59'" . $res;
+  }
+  else
+  {
+    $res = ' AND '.$this->date_field.' IS NOT NULL';
+    if (isset($date[CMONTH]) and $date[CMONTH]!=='any')
+    {
+      $res .= ' AND '.$this->calendar_levels[CMONTH]['sql'].'='.$date[CMONTH];
+    }
+    if (isset($date[CDAY]) and $date[CDAY]!=='any')
+    {
+      $res .= ' AND '.$this->calendar_levels[CDAY]['sql'].'='.$date[CDAY];
+    }
+  }
+  return $res;
+}
+
+
+
+//--------------------------------------------------------- private members ---
+
+// returns an array with alll the days in a given month
+function get_all_days_in_month($year, $month)
+{
+  $md= array(1=>31,28,31,30,31,30,31,31,30,31,30,31);
+
+  if ( is_numeric($year) and $month==2)
+  {
+    $nb_days = $md[2];
+    if ( ($year%4==0)  and ( ($year%100!=0) or ($year%400!=0) ) )
+    {
+      $nb_days++;
+    }
+  }
+  elseif ( is_numeric($month) )
+  {
+    $nb_days = $md[ $month ];
+  }
+  else
+  {
+    $nb_days = 31;
+  }
+  return $nb_days;
+}
+
+function build_global_calendar(&$tpl_var)
+{
+  global $page;
+  assert( count($page['chronology_date']) == 0 );
+  $query='SELECT DISTINCT(DATE_FORMAT('.$this->date_field.',"%Y%m")) as period,
+            COUNT( DISTINCT(id) ) as count';
+  $query.= $this->inner_sql;
+  $query.= $this->get_date_where();
+  $query.= '
+  GROUP BY period
+  ORDER BY YEAR('.$this->date_field.') DESC, MONTH('.$this->date_field.')';
+
+  $result = pwg_query($query);
+  $items=array();
+  while ($row = mysql_fetch_array($result))
+  {
+    $y = substr($row['period'], 0, 4);
+    $m = (int)substr($row['period'], 4, 2);
+    if ( ! isset($items[$y]) )
+    {
+      $items[$y] = array('nb_images'=>0, 'children'=>array() );
+    }
+    $items[$y]['children'][$m] = $row['count'];
+    $items[$y]['nb_images'] += $row['count'];
+  }
+  //echo ('<pre>'. var_export($items, true) . '</pre>');
+  if (count($items)==1)
+  {// only one year exists so bail out to year view
+    list($y) = array_keys($items);
+    $page['chronology_date'][CYEAR] = $y;
+    return false;
+  }
+
+  global $lang;
+  foreach ( $items as $year=>$year_data)
+  {
+    $chronology_date = array( $year );
+    $url = duplicate_index_url( array('chronology_date'=>$chronology_date) );
+
+    $nav_bar = $this->get_nav_bar_from_items( $chronology_date,
+            $year_data['children'], 'calCal', false, false, $lang['month'] );
+
+    $tpl_var['calendar_bars'][] =
+      array(
+        'U_HEAD'  => $url,
+        'NB_IMAGES' => $year_data['nb_images'],
+        'HEAD_LABEL' => $year,
+        'NAV_BAR' => $nav_bar,
+      );
+  }
+  return true;
+}
+
+function build_year_calendar(&$tpl_var)
+{
+  global $page;
+  assert( count($page['chronology_date']) == 1 );
+  $query='SELECT DISTINCT(DATE_FORMAT('.$this->date_field.',"%m%d")) as period,
+            COUNT( DISTINCT(id) ) as count';
+  $query.= $this->inner_sql;
+  $query.= $this->get_date_where();
+  $query.= '
+  GROUP BY period';
+
+  $result = pwg_query($query);
+  $items=array();
+  while ($row = mysql_fetch_array($result))
+  {
+    $m = (int)substr($row['period'], 0, 2);
+    $d = substr($row['period'], 2, 2);
+    if ( ! isset($items[$m]) )
+    {
+      $items[$m] = array('nb_images'=>0, 'children'=>array() );
+    }
+    $items[$m]['children'][$d] = $row['count'];
+    $items[$m]['nb_images'] += $row['count'];
+  }
+  if (count($items)==1)
+  { // only one month exists so bail out to month view
+    list($m) = array_keys($items);
+    $page['chronology_date'][CMONTH] = $m;
+    return false;
+  }
+  global $lang;
+  foreach ( $items as $month=>$month_data)
+  {
+    $chronology_date = array( $page['chronology_date'][CYEAR], $month );
+    $url = duplicate_index_url( array('chronology_date'=>$chronology_date) );
+
+    $nav_bar = $this->get_nav_bar_from_items( $chronology_date,
+                     $month_data['children'], 'calCal', false );
+
+    $tpl_var['calendar_bars'][] =
+      array(
+        'U_HEAD'  => $url,
+        'NB_IMAGES' => $month_data['nb_images'],
+        'HEAD_LABEL' => $lang['month'][$month],
+        'NAV_BAR' => $nav_bar,
+      );
+  }
+  return true;
+
+}
+
+function build_month_calendar(&$tpl_var)
+{
+  global $page;
+  $query='SELECT DISTINCT(DAYOFMONTH('.$this->date_field.')) as period,
+            COUNT( DISTINCT(id) ) as count';
+  $query.= $this->inner_sql;
+  $query.= $this->get_date_where();
+  $query.= '
+  GROUP BY period';
+
+  $items=array();
+  $result = pwg_query($query);
+  while ($row = mysql_fetch_array($result))
+  {
+    $d = (int)$row['period'];
+    $items[$d] = array('nb_images'=>$row['count']);
+  }
+
+  foreach ( $items as $day=>$data)
+  {
+    $page['chronology_date'][CDAY]=$day;
+    $query = '
+SELECT id, file,tn_ext,path, width, height, DAYOFWEEK('.$this->date_field.')-1 as dow';
+    $query.= $this->inner_sql;
+    $query.= $this->get_date_where();
+    $query.= '
+  ORDER BY RAND()
+  LIMIT 0,1';
+    unset ( $page['chronology_date'][CDAY] );
+
+    $row = mysql_fetch_assoc(pwg_query($query));
+    $items[$day]['tn_url'] = get_thumbnail_url($row);
+    $items[$day]['file'] = $row['file'];
+    $items[$day]['path'] = $row['path'];
+    $items[$day]['tn_ext'] = @$row['tn_ext'];
+    $items[$day]['width'] = $row['width'];
+    $items[$day]['height'] = $row['height'];
+    $items[$day]['dow'] = $row['dow'];
+  }
+
+  global $lang, $conf;
+
+  if ( !empty($items)
+      and $conf['calendar_month_cell_width']>0
+      and $conf['calendar_month_cell_height']>0)
+  {
+    list($known_day) = array_keys($items);
+    $known_dow = $items[$known_day]['dow'];
+    $first_day_dow = ($known_dow-($known_day-1))%7;
+    if ($first_day_dow<0)
+    {
+      $first_day_dow += 7;
+    }
+    //first_day_dow = week day corresponding to the first day of this month
+    $wday_labels = $lang['day'];
+
+    // BEGIN - pass now in week starting Monday
+    if ($first_day_dow==0)
+    {
+      $first_day_dow = 6;
+    }
+    else
+    {
+      $first_day_dow -= 1;
+    }
+    array_push( $wday_labels, array_shift($wday_labels) );
+    // END - pass now in week starting Monday
+
+    $cell_width = $conf['calendar_month_cell_width'];
+    $cell_height = $conf['calendar_month_cell_height'];
+
+    $tpl_weeks    = array();
+    $tpl_crt_week = array();
+
+    //fill the empty days in the week before first day of this month
+    for ($i=0; $i<$first_day_dow; $i++)
+    {
+      $tpl_crt_week[] = array();
+    }
+
+    for ( $day = 1;
+          $day <= $this->get_all_days_in_month(
+            $page['chronology_date'][CYEAR], $page['chronology_date'][CMONTH]
+              );
+          $day++)
+    {
+      $dow = ($first_day_dow + $day-1)%7;
+      if ($dow==0 and $day!=1)
+      {
+        $tpl_weeks[]    = $tpl_crt_week; // add finished week to week list
+        $tpl_crt_week   = array(); // start new week
+      }
+
+      if ( !isset($items[$day]) )
+      {// empty day
+        $tpl_crt_week[]   =
+          array(
+              'DAY' => $day
+            );
+      }
+      else
+      {
+        $thumb = get_thumbnail_path($items[$day]);
+        $tn_size = @getimagesize($thumb);
+
+        $tn_width = $tn_size[0];
+        $tn_height = $tn_size[1];
+
+        // now need to fit the thumbnail of size tn_size within
+        // a cell of size cell_size by playing with CSS position (left/top)
+        // and the width and height of <img>.
+        $ratio_w = $tn_width/$cell_width;
+        $ratio_h = $tn_height/$cell_height;
+
+        $pos_top=$pos_left=0;
+        $css_style = '';
+
+        if ( $ratio_w>1 and $ratio_h>1)
+        {// cell completely smaller than the thumbnail so we will let the browser
+         // resize the thumbnail
+          if ($ratio_w > $ratio_h )
+          {// thumbnail ratio compared to cell -> wide format
+            $css_style = 'height:'.$cell_height.'px;';
+            $browser_img_width = $cell_height*$tn_width/$tn_height;
+            $pos_left = ($browser_img_width-$cell_width)/2;
+          }
+          else
+          {
+            $css_style = 'width:'.$cell_width.'px;';
+            $browser_img_height = $cell_width*$tn_height/$tn_width;
+            $pos_top = ($browser_img_height-$cell_height)/2;
+          }
+        }
+        else
+        {
+          $pos_left = ($tn_width-$cell_width)/2;
+          $pos_top = ($tn_height-$cell_height)/2;
+        }
+
+        if ( round($pos_left)!=0)
+        {
+          $css_style.='left:'.round(-$pos_left).'px;';
+        }
+        if ( round($pos_top)!=0)
+        {
+          $css_style.='top:'.round(-$pos_top).'px;';
+        }
+        $url = duplicate_index_url(
+            array(
+              'chronology_date' =>
+                array(
+                  $page['chronology_date'][CYEAR],
+                  $page['chronology_date'][CMONTH],
+                  $day
+                )
+            )
+          );
+
+        $tpl_crt_week[]   =
+          array(
+              'DAY'         => $day,
+              'DOW'         => $dow,
+              'NB_ELEMENTS' => $items[$day]['nb_images'],
+              'IMAGE'       => $items[$day]['tn_url'],
+              'U_IMG_LINK'  => $url,
+              'IMAGE_STYLE' => $css_style,
+              'IMAGE_ALT'   => $items[$day]['file'],
+            );
+      }
+    }
+    //fill the empty days in the week after the last day of this month
+    while ( $dow<6 )
+    {
+      $tpl_crt_week[] = array();
+      $dow++;
+    }
+    $tpl_weeks[]    = $tpl_crt_week;
+
+    $tpl_var['month_view'] =
+        array(
+           'CELL_WIDTH'   => $cell_width,
+           'CELL_HEIGHT' => $cell_height,
+           'wday_labels' => $wday_labels,
+           'weeks' => $tpl_weeks,
+          );
+  }
+
+  return true;
+}
+
+}
+?>