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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;
// array of date components e.g. (2005,10,12) ...
var $date_components;
//
var $calendar_levels;
/**
* Initialize the calendar
* @param string date_field db column on which this calendar works
* @param string inner_sql used for queries (INNER JOIN or normal)
* @param array date_components
*/
function initialize($date_field, $inner_sql, $date_components)
{
$this->date_field = $date_field;
$this->inner_sql = $inner_sql;
$this->date_components = $date_components;
}
function get_display_name()
{
global $conf;
$res = '';
$url = $this->url_base;
for ($i=0; $i<count($this->date_components); $i++)
{
$res .= $conf['level_separator'];
$url .= $this->date_components[$i].'-';
if ( isset($this->date_components[$i+1]) )
{
$res .=
'<a href="'.$url.'">'
.$this->get_date_component_label($i, $this->date_components[$i])
.'</a>';
}
else
{
$res .=
'<span class="calInHere">'
.$this->get_date_component_label($i, $this->date_components[$i])
.'</span>';
}
}
return $res;
}
//--------------------------------------------------------- private members ---
/**
* Returns a display name for a date component optionally using labels
*/
function get_date_component_label($level, $date_component)
{
$label = $date_component;
if (isset($this->calendar_levels[$level]['labels'][$date_component]))
{
$label = $this->calendar_levels[$level]['labels'][$date_component];
}
elseif ($date_component == 'any' )
{
$label = l10n('calendar_any');
}
return $label;
}
/**
* Creates a calendar navigation bar.
*
* @param string url_base - links start with this root
* @param array items - hash of items to put in the bar (e.g. 2005,2006)
* @param array selected_item - item currently selected (e.g. 2005)
* @param string class_prefix - html class attribute prefix for span elements
* @param bool show_any - adds any link to the end of the bar
* @param bool show_empty - shows all labels even those without items
* @param array labels - optional labels for items (e.g. Jan,Feb,...)
* @return string the navigation bar
*/
function get_nav_bar_from_items($url_base, $items, $selected_item,
$class_prefix, $show_any,
$show_empty=false, $labels=null)
{
global $conf;
$nav_bar = '';
if ($conf['calendar_show_empty'] and $show_empty and !empty($labels) )
{
foreach ($labels as $item => $label)
{
if ( ! isset($items[$item]) )
{
$items[$item] = -1;
}
}
ksort($items);
}
foreach ($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 .= $label;
}
elseif ($nb_images==-1)
{
$nav_bar .= '<span class="'.$class_prefix.'Empty">';
$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.')';
}
$nav_bar.= '</span>';
}
if ($conf['calendar_show_any'] and $show_any and count($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 $nav_bar;
}
/**
* Creates a calendar navigation bar for a given level.
*
* @param int level - the level (0-year,1-month/week,2-day)
* @return void
*/
function build_nav_bar($level, $labels=null)
{
global $template, $conf;
$query = '
SELECT DISTINCT('.$this->calendar_levels[$level]['sql']
.') as period';
$query.= $this->inner_sql;
$query.= $this->get_date_where($level);
$query.= '
GROUP BY period
;';
$level_items = array();
$result = pwg_query($query);
while ($row = mysql_fetch_array($result))
{
$level_items[$row['period']] = 0;
}
if ( count($level_items)==1 )
{
if ( ! isset($this->date_components[$level]) )
{
list($key) = array_keys($level_items);
$this->date_components[$level] = (int)$key;
}
}
if ( $conf['calendar_multi_bar']==false )
{
if ( $level<count($this->date_components) and
$level!=count($this->calendar_levels)-1 )
{
return;
}
}
$url_base = $this->url_base;
for ($i=0; $i<$level; $i++)
{
if (isset($this->date_components[$i]))
{
$url_base .= $this->date_components[$i].'-';
}
}
$selected = null;
if ( isset($this->date_components[$level]) )
{
$selected = $this->date_components[$level];
}
$nav_bar = $this->get_nav_bar_from_items(
$url_base,
$level_items,
$selected,
'calItem',
true,
true,
isset($labels) ? $labels : $this->calendar_levels[$level]['labels']
);
$template->assign_block_vars(
'calendar.navbar',
array(
'BAR' => $nav_bar
)
);
}
}
?>
|
