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<?php
// +-----------------------------------------------------------------------+
// | Piwigo - a PHP based photo gallery |
// +-----------------------------------------------------------------------+
// | Copyright(C) 2008-2012 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. |
// +-----------------------------------------------------------------------+
// +-----------------------------------------------------------------------+
// | functions |
// +-----------------------------------------------------------------------+
function counter_compare($a, $b)
{
if ($a['counter'] == $b['counter'])
{
return id_compare($a, $b);
}
return ($a['counter'] < $b['counter']) ? +1 : -1;
}
function id_compare($a, $b)
{
return ($a['id'] < $b['id']) ? -1 : 1;
}
// +-----------------------------------------------------------------------+
// | initialization |
// +-----------------------------------------------------------------------+
define('PHPWG_ROOT_PATH','./');
include_once(PHPWG_ROOT_PATH.'include/common.inc.php');
check_status(ACCESS_GUEST);
// +-----------------------------------------------------------------------+
// | page header and options |
// +-----------------------------------------------------------------------+
$title= l10n('Tags');
$page['body_id'] = 'theTagsPage';
$template->set_filenames(array('tags'=>'tags.tpl'));
$page['display_mode'] = $conf['tags_default_display_mode'];
if (isset($_GET['display_mode']))
{
if (in_array($_GET['display_mode'], array('cloud', 'letters')))
{
$page['display_mode'] = $_GET['display_mode'];
}
}
foreach (array('cloud', 'letters') as $mode)
{
$template->assign(
'U_'.strtoupper($mode),
get_root_url().'tags.php'. ($conf['tags_default_display_mode']==$mode ? '' : '?display_mode='.$mode)
);
}
$template->assign( 'display_mode', $page['display_mode'] );
// find all tags available for the current user
$tags = get_available_tags();
// +-----------------------------------------------------------------------+
// | letter groups construction |
// +-----------------------------------------------------------------------+
if ($page['display_mode'] == 'letters') {
// we want tags diplayed in alphabetic order
usort($tags, 'tag_alpha_compare');
$current_letter = null;
$nb_tags = count($tags);
$current_column = 1;
$current_tag_idx = 0;
$letter = array(
'tags' => array()
);
foreach ($tags as $tag)
{
$tag_letter = mb_strtoupper(mb_substr(transliterate($tag['name']), 0, 1, PWG_CHARSET), PWG_CHARSET);
if ($current_tag_idx==0) {
$current_letter = $tag_letter;
$letter['TITLE'] = $tag_letter;
}
//lettre precedente differente de la lettre suivante
if ($tag_letter !== $current_letter)
{
if ($current_column<$conf['tag_letters_column_number']
and $current_tag_idx > $current_column*$nb_tags/$conf['tag_letters_column_number'] )
{
$letter['CHANGE_COLUMN'] = true;
$current_column++;
}
$letter['TITLE'] = $current_letter;
$template->append(
'letters',
$letter
);
$current_letter = $tag_letter;
$letter = array(
'tags' => array()
);
}
array_push(
$letter['tags'],
array_merge(
$tag,
array(
'URL' => make_index_url(
array(
'tags' => array($tag),
)
),
)
)
);
$current_tag_idx++;
}
// flush last letter
if (count($letter['tags']) > 0)
{
unset($letter['CHANGE_COLUMN']);
$letter['TITLE'] = $current_letter;
$template->append(
'letters',
$letter
);
}
}
// +-----------------------------------------------------------------------+
// | tag cloud construction |
// +-----------------------------------------------------------------------+
// we want only the first most represented tags, so we sort them by counter
// and take the first tags
usort($tags, 'counter_compare');
$tags = array_slice($tags, 0, $conf['full_tag_cloud_items_number']);
// depending on its counter and the other tags counter, each tag has a level
$tags = add_level_to_tags($tags);
// we want tags diplayed in alphabetic order
if ('letters' != $page['display_mode'])
{
usort($tags, 'tag_alpha_compare');
}
// display sorted tags
foreach ($tags as $tag)
{
$template->append(
'tags',
array_merge(
$tag,
array(
'URL' => make_index_url(
array(
'tags' => array($tag),
)
),
)
)
);
}
// include menubar
$themeconf = $template->get_template_vars('themeconf');
if (!isset($themeconf['hide_menu_on']) OR !in_array('theTagsPage', $themeconf['hide_menu_on']))
{
include( PHPWG_ROOT_PATH.'include/menubar.inc.php');
}
include(PHPWG_ROOT_PATH.'include/page_header.php');
include(PHPWG_ROOT_PATH.'include/page_messages.php');
$template->pparse('tags');
include(PHPWG_ROOT_PATH.'include/page_tail.php');
?>
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