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<?php
# -- BEGIN LICENSE BLOCK ---------------------------------------
#
# This file is part of Dotclear 2.
#
# Copyright (c) 2003-2013 Olivier Meunier & Association Dotclear
# Licensed under the GPL version 2.0 license.
# See LICENSE file or
# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
#
# -- END LICENSE BLOCK -----------------------------------------
if (!defined('DC_RC_PATH')) { return; }
require dirname(__FILE__).'/_widgets.php';
# Blogroll template functions
$core->tpl->addValue('Blogroll',array('tplBlogroll','blogroll'));
$core->tpl->addValue('BlogrollXbelLink',array('tplBlogroll','blogrollXbelLink'));
$core->url->register('xbel','xbel','^xbel(?:/?)$',array('urlBlogroll','xbel'));
class tplBlogroll
{
public static function blogroll($attr)
{
$category='<h3>%s</h3>';
$block='<ul>%s</ul>';
$item='<li%2$s>%1$s</li>';
if (isset($attr['category'])) {
$category = addslashes($attr['category']);
}
if (isset($attr['block'])) {
$block = addslashes($attr['block']);
}
if (isset($attr['item'])) {
$item = addslashes($attr['item']);
}
$only_cat = 'null';
if (!empty($attr['only_category'])) {
$only_cat = "'".addslashes($attr['only_category'])."'";
}
return
'<?php '.
"echo tplBlogroll::getList('".$category."','".$block."','".$item."',".$only_cat."); ".
'?>';
}
public static function blogrollXbelLink($attr)
{
$f = $GLOBALS['core']->tpl->getFilters($attr);
return '<?php echo '.sprintf($f,'$core->blog->url.$core->url->getURLFor("xbel")').'; ?>';
}
public static function getList($cat_title='<h3>%s</h3>',$block='<ul>%s</ul>',$item='<li>%s</li>',$category=null)
{
$blogroll = new dcBlogroll($GLOBALS['core']->blog);
try {
$links = $blogroll->getLinks();
} catch (Exception $e) {
return false;
}
$res = '';
$hierarchy = $blogroll->getLinksHierarchy($links);
if ($category) {
if (!isset($hierarchy[$category])) {
return '';
}
$hierarchy = array($hierarchy[$category]);
}
foreach ($hierarchy as $k => $v)
{
if ($k != '') {
$res .= sprintf($cat_title,html::escapeHTML($k))."\n";
}
$res .= self::getLinksList($v,$block,$item);
}
return $res;
}
private static function getLinksList($links,$block='<ul>%s</ul>',$item='<li%2$s>%1$s</li>')
{
$list = '';
# Find current link item if any
$current = -1;
$current_size = 0;
$self_uri = http::getSelfURI();
foreach ($links as $k => $v)
{
if (!preg_match('$^([a-z][a-z0-9.+-]+://)$',$v['link_href'])) {
$url = http::concatURL($self_uri,$v['link_href']);
if (strlen($url) > $current_size && preg_match('/^'.preg_quote($url,'/').'/',$self_uri)) {
$current = $k;
$current_size = strlen($url);
}
}
}
foreach ($links as $k => $v)
{
$title = $v['link_title'];
$href = $v['link_href'];
$desc = $v['link_desc'];
$lang = $v['link_lang'];
$xfn = $v['link_xfn'];
$link =
'<a href="'.html::escapeHTML($href).'"'.
((!$lang) ? '' : ' hreflang="'.html::escapeHTML($lang).'"').
((!$desc) ? '' : ' title="'.html::escapeHTML($desc).'"').
((!$xfn) ? '' : ' rel="'.html::escapeHTML($xfn).'"').
'>'.
html::escapeHTML($title).
'</a>';
$current_class = $current == $k ? ' class="active"' : '';
$list .= sprintf($item,$link,$current_class)."\n";
}
return sprintf($block,$list)."\n";
}
# Widget function
public static function linksWidget($w)
{
global $core;
if (($w->homeonly == 1 && $core->url->type != 'default') ||
($w->homeonly == 2 && $core->url->type == 'default')) {
return;
}
$links = self::getList('<h3>%s</h3>','<ul>%s</ul>','<li%2$s>%1$s</li>',$w->category);
if (empty($links)) {
return;
}
return
($w->content_only ? '' : '<div class="links'.($w->class ? ' '.html::escapeHTML($w->class) : '').'">').
($w->title ? '<h2>'.html::escapeHTML($w->title).'</h2>' : '').
$links.
($w->content_only ? '' : '</div>');
}
}
class urlBlogroll extends dcUrlHandlers
{
public static function xbel($args)
{
$blogroll = new dcBlogroll($GLOBALS['core']->blog);
try {
$links = $blogroll->getLinks();
} catch (Exception $e) {
self::p404();
return;
}
if ($args) {
self::p404();
return;
}
http::cache($GLOBALS['mod_files'],$GLOBALS['mod_ts']);
header('Content-Type: text/xml; charset=UTF-8');
echo
'<?xml version="1.0" encoding="UTF-8"?>'."\n".
'<!DOCTYPE xbel PUBLIC "+//IDN python.org//DTD XML Bookmark Exchange '.
'Language 1.0//EN//XML"'."\n".
'"http://www.python.org/topics/xml/dtds/xbel-1.0.dtd">'."\n".
'<xbel version="1.0">'."\n".
'<title>'.html::escapeHTML($GLOBALS['core']->blog->name)." blogroll</title>\n";
$i = 1;
foreach ($blogroll->getLinksHierarchy($links) as $cat_title => $links)
{
if ($cat_title != '') {
echo
'<folder>'."\n".
"<title>".html::escapeHTML($cat_title)."</title>\n";
}
foreach ($links as $k => $v)
{
$lang = $v['link_lang'] ? ' xml:lang="'.$v['link_lang'].'"' : '';
echo
'<bookmark href="'.$v['link_href'].'"'.$lang.'>'."\n".
'<title>'.html::escapeHTML($v['link_title'])."</title>\n";
if ($v['link_desc']) {
echo '<desc>'.html::escapeHTML($v['link_desc'])."</desc>\n";
}
if ($v['link_xfn']) {
echo
"<info>\n".
'<metadata owner="http://gmpg.org/xfn/">'.$v['link_xfn']."</metadata>\n".
"</info>\n";
}
echo
"</bookmark>\n";
}
if ($cat_title != '') {
echo "</folder>\n";
}
$i++;
}
echo
'</xbel>';
}
}
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