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<?php
// +-----------------------------------------------------------------------+
// | PhpWebGallery - a PHP based picture gallery |
// | Copyright (C) 2003-2006 PhpWebGallery Team - http://phpwebgallery.net |
// +-----------------------------------------------------------------------+
// | branch : BSF (Best So Far)
// | file : $RCSfile$
// | last update : $Date: 2006-01-27 02:11:43 +0100 (ven, 27 jan 2006) $
// | last modifier : $Author: rvelices $
// | revision : $Revision: 1014 $
// +-----------------------------------------------------------------------+
// | 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. |
// +-----------------------------------------------------------------------+
/**
* Base class for monthly and weekly calendar styles
*/
class CalendarBase
{
// db column on which this calendar works
var $date_field;
// used for queries (INNER JOIN or normal)
var $inner_sql;
// base url used when generating html links
var $url_base;
function get_date_where()
{
die("get_date_where not extended");
}
/**
* Initialize the calendar
* @param string date_field db column on which this calendar works
* @param string inner_sql used for queries (INNER JOIN or normal)
*/
function initialize($date_field, $inner_sql)
{
$this->date_field = $date_field;
$this->inner_sql = $inner_sql;
}
//--------------------------------------------------------- private members ---
/**
* Creates a calendar navigation bar.
* @param string url_base - links start with this root
* @param array items - hash of items to put in the bar (e.g. 2005,2006)
* @param array selected_item - item currently selected (e.g. 2005)
* @param string class_prefix - html class attribute prefix for span elements
* @param bool allow_any - adds any to the end of the bar
* @param array labels - optional labels for items (e.g. Jan,Feb,...)
* @return string the navigation bar
*/
function get_nav_bar_from_items($url_base, $items, $selected_item,
$class_prefix, $allow_any, $labels=null)
{
$nav_bar='';
foreach ($items as $item => $nb_images)
{
$label = $item;
if (isset($labels[$item]))
{
$label = $labels[$item];
}
if ( isset($selected_item) and $item==$selected_item )
{
$nav_bar .= '<span class="'.$class_prefix.'Sel">';
$nav_bar .= $label;
}
else
{
$nav_bar .= '<span class="'.$class_prefix.'">';
$url = $url_base . $item;
$nav_bar .= '<a href="'.$url.'">';
$nav_bar .= $label;
$nav_bar .= '</a>';
}
if ($nb_images>0)
{
$nav_bar .= '('.$nb_images.')';
}
$nav_bar.= '</span>';
}
if ($allow_any and count($items)>1 )
{
$label = l10n('calendar_any');
if ( isset($selected_item) and 'any'==$selected_item )
{
$nav_bar .= '<span class="'.$class_prefix.'Sel">';
$nav_bar .= $label;
}
else
{
$nav_bar .= '<span class="'.$class_prefix.'">';
$url = $url_base . 'any';
$nav_bar .= '<a href="'.$url.'">';
$nav_bar .= $label;
$nav_bar .= '</a>';
}
$nav_bar.= '</span>';
}
return $nav_bar;
}
/**
* Creates a calendar navigation bar for a given level.
* @param string view_type - list or calendar (e.g. 'l' or 'c')
* @param array requested - array of current selected elements (e.g. 2005,10)
* @param string sql_func - YEAR/MONTH/DAY/WEEK/DAYOFWEEK ...
* @param string sql_offset - (e.g. +1 for WEEK - first in year is 1)
* @param array labels - optional labels to show in the navigation bar
* @return void
*/
function build_nav_bar($view_type, $requested, $level, $sql_func,
$sql_offset='', $labels=null)
{
global $template;
$query = 'SELECT DISTINCT('.$sql_func.'('.$this->date_field.')'.$sql_offset
.') as period';
$query.= $this->inner_sql;
$query.= $this->get_date_where($requested, $level);
$query.= '
GROUP BY period';
$level_items=array();
$result = pwg_query($query);
while ($row = mysql_fetch_array($result))
{
$level_items[$row['period']] = 0;
}
$url_base = $this->url_base;
$url_base .= $view_type.'-';
for ($i=0; $i<$level; $i++)
{
if (isset($requested[$i]))
{
$url_base .= $requested[$i].'-';
}
}
$nav_bar = $this->get_nav_bar_from_items( $url_base, $level_items,
$requested[$level], 'cal', true, $labels);
$template->assign_block_vars( 'calendar.navbar',
array( 'BAR' => $nav_bar)
);
}
}
?>
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