function buildTOC(&$text, $chapters, $parents = '')
{
global $chapters_elem;
$i = 0;
$toc = '<ol style="list-style:none;">';
foreach ($chapters as $chapter_raw => $subchapters) {
$chapter = strip_tags(trim($chapter_raw));
$i++;
$elem = $chapters_elem[$chapter_raw];
$level = $parents . $i;
$url = $_SERVER["REQUEST_URI"] . "#ch{$level}";
$toc .= "<li><a href=\"{$url}\" title=\"{$chapter}\">{$level}. {$chapter}</a>";
$text = str_replace("<{$elem}>{$chapter_raw}</{$elem}>", "<a name=\"ch{$level}\"></a><{$elem}>{$level}. {$chapter}</{$elem}>", $text);
if (count($subchapters) > 0) {
$toc .= buildTOC($text, $subchapters, $level . '.');
}
$toc .= '</li>';
}
$toc .= '</ol>';
return $toc;
}
/**
* Builds TOC list and implodes anchors in source text
* @param string $text source HTML
* @param array $toc_data Array of TOC structure generated with getTOC() function
* @return string
*/
function buildTOC(&$text, $toc_data)
{
global $out;
$toc = '';
$toc_list = '';
foreach ($toc_data as $number => $data) {
$toc_item = '';
$prefix = cot::$cfg['plugin']['autotoc']['ch_prefix'];
$class = cot::$cfg['plugin']['autotoc']['ch_class'];
$params = array('title_safe' => trim(strip_tags($data['title'])), 'class' => $class ? $class : 'anchor', 'prefix' => $prefix ? $prefix : 'ch', 'url' => $out['canonical_uri'] . '#' . ($prefix ? $prefix : 'ch') . $number);
$params['title_safe'] = preg_replace('/\\s*[\\.]$/i', '', $params['title_safe']);
if (cot::$cfg['plugin']['autotoc']['strip_tags']) {
$data['title'] = $params['title_safe'];
}
$tpl_data = array_merge($data, $params);
$new_item = cot_rc('autotoc_anchor', $tpl_data);
// adding anchors
$pos = strpos($text, $data['heading']);
$text = substr_replace($text, $new_item, $pos, strlen($data['heading']));
if (count($data['sublist']) > 0) {
$tpl_data['sublist'] = buildTOC($text, $data['sublist']);
}
$params['title_safe'] = preg_replace('/\\s*[:\\.]$/i', '', $params['title_safe']);
$tpl_data['title'] = $tpl_data['title_safe'] = $params['title_safe'];
$toc_item = cot_rc('autotoc_item', $tpl_data);
$toc_list .= $toc_item;
}
if ($toc_list) {
$toc = cot_rc('autotoc_list', array('toc_list' => $toc_list));
}
return $toc;
}
<?php
/* ====================
[BEGIN_COT_EXT]
Hooks=page.tags
[END_COT_EXT]
==================== */
defined('COT_CODE') or die('Wrong URL');
require_once cot_langfile('autotoc');
require_once cot_incfile('autotoc', 'plug');
require_once cot_incfile('autotoc', 'plug', 'resources');
$elems = explode(',', $cfg['plugin']['autotoc']['ch_elements']);
$text = $t->vars['PAGE_TEXT'];
$toc = getTOC($text, $elems);
if (sizeof($toc)) {
$t->assign('PAGE_TOC', trim(buildTOC($text, $toc)));
$t->assign('PAGE_TEXT', $text);
}
