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authorvdigital <vdigital@piwigo.org>2008-05-23 21:05:41 +0000
committervdigital <vdigital@piwigo.org>2008-05-23 21:05:41 +0000
commit77fd1f51a3c5f5a52f72ef8a299fe368228e2285 (patch)
treea67ede42904657ccf3349ecdaef1cec8b8e36ff8 /BSF/include/calendar_monthly.class.php
parent553727dffacc48e8337c1d141f2a25af359e74b1 (diff)
git-svn-id: http://piwigo.org/svn/trunk@2357 68402e56-0260-453c-a942-63ccdbb3a9ee
Diffstat (limited to 'BSF/include/calendar_monthly.class.php')
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diff --git a/BSF/include/calendar_monthly.class.php b/BSF/include/calendar_monthly.class.php
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+<?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;
+}
+
+}
+?>