html.php

<?php
/**
 * HTML output functions
 *
 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
 * @author     Andreas Gohr <andi@splitbrain.org>
 */

if(!defined('DOKU_INC')) die('meh.');
if(!defined('NL')) define('NL',"\n");

/**
 * Convenience function to quickly build a wikilink
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 * @param string  $id      id of the target page
 * @param string  $name    the name of the link, i.e. the text that is displayed
 * @param string|array  $search  search string(s) that shall be highlighted in the target page
 * @return string the HTML code of the link
 */
function html_wikilink($id,$name=null,$search=''){
    /** @var Doku_Renderer_xhtml $xhtml_renderer */
    static $xhtml_renderer = null;
    if(is_null($xhtml_renderer)){
        $xhtml_renderer = p_get_renderer('xhtml');
    }

    return $xhtml_renderer->internallink($id,$name,$search,true,'navigation');
}

/**
 * The loginform
 *
 * @author   Andreas Gohr <andi@splitbrain.org>
 */
function html_login(){
    global $lang;
    global $conf;
    global $ID;
    global $INPUT;

    print p_locale_xhtml('login');
    print '<div class="centeralign">'.NL;
    $form = new Doku_Form(array('id' => 'dw__login'));
    $form->startFieldset($lang['btn_login']);
    $form->addHidden('id', $ID);
    $form->addHidden('do', 'login');
    $form->addElement(form_makeTextField('u', ((!$INPUT->bool('http_credentials')) ? $INPUT->str('u') : ''), $lang['user'], 'focus__this', 'block'));
    $form->addElement(form_makePasswordField('p', $lang['pass'], '', 'block'));
    if($conf['rememberme']) {
        $form->addElement(form_makeCheckboxField('r', '1', $lang['remember'], 'remember__me', 'simple'));
    }
    $form->addElement(form_makeButton('submit', '', $lang['btn_login']));
    $form->endFieldset();

    if(actionOK('register')){
        $form->addElement('<p>'.$lang['reghere'].': '.tpl_actionlink('register','','','',true).'</p>');
    }

    if (actionOK('resendpwd')) {
        $form->addElement('<p>'.$lang['pwdforget'].': '.tpl_actionlink('resendpwd','','','',true).'</p>');
    }

    html_form('login', $form);
    print '</div>'.NL;
}


/**
 * Denied page content
 *
 * @return string html
 */
function html_denied() {
    print p_locale_xhtml('denied');

    if(!$_SERVER['REMOTE_USER']){
        html_login();
    }
}

/**
 * inserts section edit buttons if wanted or removes the markers
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 *
 * @param string $text
 * @param bool   $show show section edit buttons?
 * @return string
 */
function html_secedit($text,$show=true){
    global $INFO;

    $regexp = '#<!-- EDIT(\d+) ([A-Z_]+) (?:"([^"]*)" )?\[(\d+-\d*)\] -->#';

    if(!$INFO['writable'] || !$show || $INFO['rev']){
        return preg_replace($regexp,'',$text);
    }

    return preg_replace_callback($regexp,
                'html_secedit_button', $text);
}

/**
 * prepares section edit button data for event triggering
 * used as a callback in html_secedit
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 *
 * @param array $matches matches with regexp
 * @return string
 * @triggers HTML_SECEDIT_BUTTON
 */
function html_secedit_button($matches){
    $data = array('secid'  => $matches[1],
                  'target' => strtolower($matches[2]),
                  'range'  => $matches[count($matches) - 1]);
    if (count($matches) === 5) {
        $data['name'] = $matches[3];
    }

    return trigger_event('HTML_SECEDIT_BUTTON', $data,
                         'html_secedit_get_button');
}

/**
 * prints a section editing button
 * used as default action form HTML_SECEDIT_BUTTON
 *
 * @author Adrian Lang <lang@cosmocode.de>
 *
 * @param array $data name, section id and target
 * @return string html
 */
function html_secedit_get_button($data) {
    global $ID;
    global $INFO;

    if (!isset($data['name']) || $data['name'] === '') return '';

    $name = $data['name'];
    unset($data['name']);

    $secid = $data['secid'];
    unset($data['secid']);

    return "<div class='secedit editbutton_" . $data['target'] .
                       " editbutton_" . $secid . "'>" .
           html_btn('secedit', $ID, '',
                    array_merge(array('do'  => 'edit',
                                      'rev' => $INFO['lastmod'],
                                      'summary' => '['.$name.'] '), $data),
                    'post', $name) . '</div>';
}

/**
 * Just the back to top button (in its own form)
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 *
 * @return string html
 */
function html_topbtn(){
    global $lang;

    $ret  = '<a class="nolink" href="#dokuwiki__top"><input type="button" class="button" value="'.$lang['btn_top'].'" onclick="window.scrollTo(0, 0)" title="'.$lang['btn_top'].'" /></a>';

    return $ret;
}

/**
 * Displays a button (using its own form)
 * If tooltip exists, the access key tooltip is replaced.
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 *
 * @param string         $name
 * @param string         $id
 * @param string         $akey   access key
 * @param string[] $params key-value pairs added as hidden inputs
 * @param string         $method
 * @param string         $tooltip
 * @param bool|string    $label  label text, false: lookup btn_$name in localization
 * @return string
 */
function html_btn($name,$id,$akey,$params,$method='get',$tooltip='',$label=false){
    global $conf;
    global $lang;

    if (!$label)
        $label = $lang['btn_'.$name];

    $ret = '';

    //filter id (without urlencoding)
    $id = idfilter($id,false);

    //make nice URLs even for buttons
    if($conf['userewrite'] == 2){
        $script = DOKU_BASE.DOKU_SCRIPT.'/'.$id;
    }elseif($conf['userewrite']){
        $script = DOKU_BASE.$id;
    }else{
        $script = DOKU_BASE.DOKU_SCRIPT;
        $params['id'] = $id;
    }

    $ret .= '<form class="button btn_'.$name.'" method="'.$method.'" action="'.$script.'"><div class="no">';

    if(is_array($params)){
        reset($params);
        while (list($key, $val) = each($params)) {
            $ret .= '<input type="hidden" name="'.$key.'" ';
            $ret .= 'value="'.htmlspecialchars($val).'" />';
        }
    }

    if ($tooltip!='') {
        $tip = htmlspecialchars($tooltip);
    }else{
        $tip = htmlspecialchars($label);
    }

    $ret .= '<input type="submit" value="'.hsc($label).'" class="button" ';
    if($akey){
        $tip .= ' ['.strtoupper($akey).']';
        $ret .= 'accesskey="'.$akey.'" ';
    }
    $ret .= 'title="'.$tip.'" ';
    $ret .= '/>';
    $ret .= '</div></form>';

    return $ret;
}
/**
 * show a revision warning
 *
 * @author Szymon Olewniczak <dokuwiki@imz.re>
 */
function html_showrev() {
    print p_locale_xhtml('showrev');
}

/**
 * Show a wiki page
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 *
 * @param null|string $txt wiki text or null for showing $ID
 */
function html_show($txt=null){
    global $ID;
    global $REV;
    global $HIGH;
    global $INFO;
    global $DATE_AT;
    //disable section editing for old revisions or in preview
    if($txt || $REV){
        $secedit = false;
    }else{
        $secedit = true;
    }

    if (!is_null($txt)){
        //PreviewHeader
        echo '<br id="scroll__here" />';
        echo p_locale_xhtml('preview');
        echo '<div class="preview"><div class="pad">';
        $html = html_secedit(p_render('xhtml',p_get_instructions($txt),$info),$secedit);
        if($INFO['prependTOC']) $html = tpl_toc(true).$html;
        echo $html;
        echo '<div class="clearer"></div>';
        echo '</div></div>';

    }else{
        if ($REV||$DATE_AT){
            $data = array('rev' => &$REV, 'date_at' => &$DATE_AT);
            trigger_event('HTML_SHOWREV_OUTPUT', $data, 'html_showrev');
        }
        $html = p_wiki_xhtml($ID,$REV,true,$DATE_AT);
        $html = html_secedit($html,$secedit);
        if($INFO['prependTOC']) $html = tpl_toc(true).$html;
        $html = html_hilight($html,$HIGH);
        echo $html;
    }
}

/**
 * ask the user about how to handle an exisiting draft
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 */
function html_draft(){
    global $INFO;
    global $ID;
    global $lang;
    $draft = unserialize(io_readFile($INFO['draft'],false));
    $text  = cleanText(con($draft['prefix'],$draft['text'],$draft['suffix'],true));

    print p_locale_xhtml('draft');
    $form = new Doku_Form(array('id' => 'dw__editform'));
    $form->addHidden('id', $ID);
    $form->addHidden('date', $draft['date']);
    $form->addElement(form_makeWikiText($text, array('readonly'=>'readonly')));
    $form->addElement(form_makeOpenTag('div', array('id'=>'draft__status')));
    $form->addElement($lang['draftdate'].' '. dformat(filemtime($INFO['draft'])));
    $form->addElement(form_makeCloseTag('div'));
    $form->addElement(form_makeButton('submit', 'recover', $lang['btn_recover'], array('tabindex'=>'1')));
    $form->addElement(form_makeButton('submit', 'draftdel', $lang['btn_draftdel'], array('tabindex'=>'2')));
    $form->addElement(form_makeButton('submit', 'show', $lang['btn_cancel'], array('tabindex'=>'3')));
    html_form('draft', $form);
}

/**
 * Highlights searchqueries in HTML code
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 * @author Harry Fuecks <hfuecks@gmail.com>
 *
 * @param string $html
 * @param array|string $phrases
 * @return string html
 */
function html_hilight($html,$phrases){
    $phrases = (array) $phrases;
    $phrases = array_map('preg_quote_cb', $phrases);
    $phrases = array_map('ft_snippet_re_preprocess', $phrases);
    $phrases = array_filter($phrases);
    $regex = join('|',$phrases);

    if ($regex === '') return $html;
    if (!utf8_check($regex)) return $html;
    $html = @preg_replace_callback("/((<[^>]*)|$regex)/ui",'html_hilight_callback',$html);
    return $html;
}

/**
 * Callback used by html_hilight()
 *
 * @author Harry Fuecks <hfuecks@gmail.com>
 *
 * @param array $m matches
 * @return string html
 */
function html_hilight_callback($m) {
    $hlight = unslash($m[0]);
    if ( !isset($m[2])) {
        $hlight = '<span class="search_hit">'.$hlight.'</span>';
    }
    return $hlight;
}

/**
 * Run a search and display the result
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 */
function html_search(){
    global $QUERY, $ID;
    global $lang;

    $intro = p_locale_xhtml('searchpage');
    // allow use of placeholder in search intro
    $pagecreateinfo = (auth_quickaclcheck($ID) >= AUTH_CREATE) ? $lang['searchcreatepage'] : '';
    $intro = str_replace(
        array('@QUERY@', '@SEARCH@', '@CREATEPAGEINFO@'),
        array(hsc(rawurlencode($QUERY)), hsc($QUERY), $pagecreateinfo),
        $intro
    );
    echo $intro;
    flush();

    //show progressbar
    print '<div id="dw__loading">'.NL;
    print '<script type="text/javascript">/*<![CDATA[*/'.NL;
    print 'showLoadBar();'.NL;
    print '/*!]]>*/</script>'.NL;
    print '</div>'.NL;
    flush();

    //do quick pagesearch
    $data = ft_pageLookup($QUERY,true,useHeading('navigation'));
    if(count($data)){
        print '<div class="search_quickresult">';
        print '<h3>'.$lang['quickhits'].':</h3>';
        print '<ul class="search_quickhits">';
        foreach($data as $id => $title){
            print '<li> ';
            if (useHeading('navigation')) {
                $name = $title;
            }else{
                $ns = getNS($id);
                if($ns){
                    $name = shorten(noNS($id), ' ('.$ns.')',30);
                }else{
                    $name = $id;
                }
            }
            print html_wikilink(':'.$id,$name);
            print '</li> ';
        }
        print '</ul> ';
        //clear float (see http://www.complexspiral.com/publications/containing-floats/)
        print '<div class="clearer"></div>';
        print '</div>';
    }
    flush();

    //do fulltext search
    $data = ft_pageSearch($QUERY,$regex);
    if(count($data)){
        print '<dl class="search_results">';
        $num = 1;
        foreach($data as $id => $cnt){
            print '<dt>';
            print html_wikilink(':'.$id,useHeading('navigation')?null:$id,$regex);
            if($cnt !== 0){
                print ': '.$cnt.' '.$lang['hits'].'';
            }
            print '</dt>';
            if($cnt !== 0){
                if($num < FT_SNIPPET_NUMBER){ // create snippets for the first number of matches only
                    print '<dd>'.ft_snippet($id,$regex).'</dd>';
                }
                $num++;
            }
            flush();
        }
        print '</dl>';
    }else{
        print '<div class="nothing">'.$lang['nothingfound'].'</div>';
    }

    //hide progressbar
    print '<script type="text/javascript">/*<![CDATA[*/'.NL;
    print 'hideLoadBar("dw__loading");'.NL;
    print '/*!]]>*/</script>'.NL;
    flush();
}

/**
 * Display error on locked pages
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 */
function html_locked(){
    global $ID;
    global $conf;
    global $lang;
    global $INFO;

    $locktime = filemtime(wikiLockFN($ID));
    $expire = dformat($locktime + $conf['locktime']);
    $min    = round(($conf['locktime'] - (time() - $locktime) )/60);

    print p_locale_xhtml('locked');
    print '<ul>';
    print '<li><div class="li"><strong>'.$lang['lockedby'].'</strong> '.editorinfo($INFO['locked']).'</div></li>';
    print '<li><div class="li"><strong>'.$lang['lockexpire'].'</strong> '.$expire.' ('.$min.' min)</div></li>';
    print '</ul>';
}

/**
 * list old revisions
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 * @author Ben Coburn <btcoburn@silicodon.net>
 * @author Kate Arzamastseva <pshns@ukr.net>
 *
 * @param int $first skip the first n changelog lines
 * @param bool|string $media_id id of media, or false for current page
 */
function html_revisions($first=0, $media_id = false){
    global $ID;
    global $INFO;
    global $conf;
    global $lang;
    $id = $ID;
    if ($media_id) {
        $id = $media_id;
        $changelog = new MediaChangeLog($id);
    } else {
        $changelog = new PageChangeLog($id);
    }

    /* we need to get one additional log entry to be able to
     * decide if this is the last page or is there another one.
     * see html_recent()
     */

    $revisions = $changelog->getRevisions($first, $conf['recent']+1);

    if(count($revisions)==0 && $first!=0){
        $first=0;
        $revisions = $changelog->getRevisions($first, $conf['recent']+1);
    }
    $hasNext = false;
    if (count($revisions)>$conf['recent']) {
        $hasNext = true;
        array_pop($revisions); // remove extra log entry
    }

    if (!$media_id) $date = dformat($INFO['lastmod']);
    else $date = dformat(@filemtime(mediaFN($id)));

    if (!$media_id) print p_locale_xhtml('revisions');

    $params = array('id' => 'page__revisions', 'class' => 'changes');
    if ($media_id) $params['action'] = media_managerURL(array('image' => $media_id), '&');

    $form = new Doku_Form($params);
    $form->addElement(form_makeOpenTag('ul'));

    if (!$media_id) $exists = $INFO['exists'];
    else $exists = file_exists(mediaFN($id));

    $display_name = (!$media_id && useHeading('navigation')) ? hsc(p_get_first_heading($id)) : $id;
    if (!$display_name) $display_name = $id;

    if($exists && $first==0){
        if (!$media_id && isset($INFO['meta']) && isset($INFO['meta']['last_change']) && $INFO['meta']['last_change']['type']===DOKU_CHANGE_TYPE_MINOR_EDIT)
            $form->addElement(form_makeOpenTag('li', array('class' => 'minor')));
        else
            $form->addElement(form_makeOpenTag('li'));
        $form->addElement(form_makeOpenTag('div', array('class' => 'li')));
        $form->addElement(form_makeTag('input', array(
                        'type' => 'checkbox',
                        'name' => 'rev2[]',
                        'value' => 'current')));

        $form->addElement(form_makeOpenTag('span', array('class' => 'date')));
        $form->addElement($date);
        $form->addElement(form_makeCloseTag('span'));

        $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');

        if (!$media_id) $href = wl($id);
        else $href = media_managerURL(array('image' => $id, 'tab_details' => 'view'), '&');
        $form->addElement(form_makeOpenTag('a', array(
                        'class' => 'wikilink1',
                        'href'  => $href)));
        $form->addElement($display_name);
        $form->addElement(form_makeCloseTag('a'));

        if ($media_id) $form->addElement(form_makeOpenTag('div'));

        if (!$media_id) {
            $form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
            $form->addElement(' – ');
            $form->addElement(htmlspecialchars($INFO['sum']));
            $form->addElement(form_makeCloseTag('span'));
        }

        $changelog->setChunkSize(1024);

        $form->addElement(form_makeOpenTag('span', array('class' => 'user')));
        if($media_id) {
            $revinfo = $changelog->getRevisionInfo(@filemtime(fullpath(mediaFN($id))));
            if($revinfo['user']) {
                $editor = $revinfo['user'];
            } else {
                $editor = $revinfo['ip'];
            }
        } else {
            $editor = $INFO['editor'];
        }
        $form->addElement((empty($editor))?('('.$lang['external_edit'].')'):editorinfo($editor));
        $form->addElement(form_makeCloseTag('span'));

        $form->addElement('('.$lang['current'].')');

        if ($media_id) $form->addElement(form_makeCloseTag('div'));

        $form->addElement(form_makeCloseTag('div'));
        $form->addElement(form_makeCloseTag('li'));
    }

    foreach($revisions as $rev){
        $date = dformat($rev);
        $info = $changelog->getRevisionInfo($rev);
        if($media_id) {
            $exists = file_exists(mediaFN($id, $rev));
        } else {
            $exists = page_exists($id, $rev);
        }

        if ($info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT)
            $form->addElement(form_makeOpenTag('li', array('class' => 'minor')));
        else
            $form->addElement(form_makeOpenTag('li'));
        $form->addElement(form_makeOpenTag('div', array('class' => 'li')));
        if($exists){
            $form->addElement(form_makeTag('input', array(
                            'type' => 'checkbox',
                            'name' => 'rev2[]',
                            'value' => $rev)));
        }else{
            $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
        }

        $form->addElement(form_makeOpenTag('span', array('class' => 'date')));
        $form->addElement($date);
        $form->addElement(form_makeCloseTag('span'));

        if($exists){
            if (!$media_id) $href = wl($id,"rev=$rev,do=diff", false, '&');
            else $href = media_managerURL(array('image' => $id, 'rev' => $rev, 'mediado' => 'diff'), '&');
            $form->addElement(form_makeOpenTag('a', array('href' => $href, 'class' => 'diff_link')));
            $form->addElement(form_makeTag('img', array(
                            'src'    => DOKU_BASE.'lib/images/diff.png',
                            'width'  => 15,
                            'height' => 11,
                            'title'  => $lang['diff'],
                            'alt'    => $lang['diff'])));
            $form->addElement(form_makeCloseTag('a'));
            if (!$media_id) $href = wl($id,"rev=$rev",false,'&');
            else $href = media_managerURL(array('image' => $id, 'tab_details' => 'view', 'rev' => $rev), '&');
            $form->addElement(form_makeOpenTag('a', array('href' => $href, 'class' => 'wikilink1')));
            $form->addElement($display_name);
            $form->addElement(form_makeCloseTag('a'));
        }else{
            $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
            $form->addElement($display_name);
        }

        if ($media_id) $form->addElement(form_makeOpenTag('div'));

        if ($info['sum']) {
            $form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
            if (!$media_id) $form->addElement(' – ');
            $form->addElement('<bdi>'.htmlspecialchars($info['sum']).'</bdi>');
            $form->addElement(form_makeCloseTag('span'));
        }

        $form->addElement(form_makeOpenTag('span', array('class' => 'user')));
        if($info['user']){
            $form->addElement('<bdi>'.editorinfo($info['user']).'</bdi>');
            if(auth_ismanager()){
                $form->addElement(' <bdo dir="ltr">('.$info['ip'].')</bdo>');
            }
        }else{
            $form->addElement('<bdo dir="ltr">'.$info['ip'].'</bdo>');
        }
        $form->addElement(form_makeCloseTag('span'));

        if ($media_id) $form->addElement(form_makeCloseTag('div'));

        $form->addElement(form_makeCloseTag('div'));
        $form->addElement(form_makeCloseTag('li'));
    }
    $form->addElement(form_makeCloseTag('ul'));
    if (!$media_id) {
        $form->addElement(form_makeButton('submit', 'diff', $lang['diff2']));
    } else {
        $form->addHidden('mediado', 'diff');
        $form->addElement(form_makeButton('submit', '', $lang['diff2']));
    }
    html_form('revisions', $form);

    print '<div class="pagenav">';
    $last = $first + $conf['recent'];
    if ($first > 0) {
        $first -= $conf['recent'];
        if ($first < 0) $first = 0;
        print '<div class="pagenav-prev">';
        if ($media_id) {
            print html_btn('newer',$media_id,"p",media_managerURL(array('first' => $first), '&amp;', false, true));
        } else {
            print html_btn('newer',$id,"p",array('do' => 'revisions', 'first' => $first));
        }
        print '</div>';
    }
    if ($hasNext) {
        print '<div class="pagenav-next">';
        if ($media_id) {
            print html_btn('older',$media_id,"n",media_managerURL(array('first' => $last), '&amp;', false, true));
        } else {
            print html_btn('older',$id,"n",array('do' => 'revisions', 'first' => $last));
        }
        print '</div>';
    }
    print '</div>';

}

/**
 * display recent changes
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 * @author Matthias Grimm <matthiasgrimm@users.sourceforge.net>
 * @author Ben Coburn <btcoburn@silicodon.net>
 * @author Kate Arzamastseva <pshns@ukr.net>
 *
 * @param int $first
 * @param string $show_changes
 */
function html_recent($first=0, $show_changes='both'){
    global $conf;
    global $lang;
    global $ID;
    /* we need to get one additionally log entry to be able to
     * decide if this is the last page or is there another one.
     * This is the cheapest solution to get this information.
     */
    $flags = 0;
    if ($show_changes == 'mediafiles' && $conf['mediarevisions']) {
        $flags = RECENTS_MEDIA_CHANGES;
    } elseif ($show_changes == 'pages') {
        $flags = 0;
    } elseif ($conf['mediarevisions']) {
        $show_changes = 'both';
        $flags = RECENTS_MEDIA_PAGES_MIXED;
    }

    $recents = getRecents($first,$conf['recent'] + 1,getNS($ID),$flags);
    if(count($recents) == 0 && $first != 0){
        $first=0;
        $recents = getRecents($first,$conf['recent'] + 1,getNS($ID),$flags);
    }
    $hasNext = false;
    if (count($recents)>$conf['recent']) {
        $hasNext = true;
        array_pop($recents); // remove extra log entry
    }

    print p_locale_xhtml('recent');

    if (getNS($ID) != '')
        print '<div class="level1"><p>' . sprintf($lang['recent_global'], getNS($ID), wl('', 'do=recent')) . '</p></div>';

    $form = new Doku_Form(array('id' => 'dw__recent', 'method' => 'GET', 'class' => 'changes'));
    $form->addHidden('sectok', null);
    $form->addHidden('do', 'recent');
    $form->addHidden('id', $ID);

    if ($conf['mediarevisions']) {
        $form->addElement('<div class="changeType">');
        $form->addElement(form_makeListboxField(
                    'show_changes',
                    array(
                        'pages'      => $lang['pages_changes'],
                        'mediafiles' => $lang['media_changes'],
                        'both'       => $lang['both_changes']),
                    $show_changes,
                    $lang['changes_type'],
                    '','',
                    array('class'=>'quickselect')));

        $form->addElement(form_makeButton('submit', 'recent', $lang['btn_apply']));
        $form->addElement('</div>');
    }

    $form->addElement(form_makeOpenTag('ul'));

    foreach($recents as $recent){
        $date = dformat($recent['date']);
        if ($recent['type']===DOKU_CHANGE_TYPE_MINOR_EDIT)
            $form->addElement(form_makeOpenTag('li', array('class' => 'minor')));
        else
            $form->addElement(form_makeOpenTag('li'));

        $form->addElement(form_makeOpenTag('div', array('class' => 'li')));

        if (!empty($recent['media'])) {
            $form->addElement(media_printicon($recent['id']));
        } else {
            $icon = DOKU_BASE.'lib/images/fileicons/file.png';
            $form->addElement('<img src="'.$icon.'" alt="'.$recent['id'].'" class="icon" />');
        }

        $form->addElement(form_makeOpenTag('span', array('class' => 'date')));
        $form->addElement($date);
        $form->addElement(form_makeCloseTag('span'));

        $diff = false;
        $href = '';

        if (!empty($recent['media'])) {
            $changelog = new MediaChangeLog($recent['id']);
            $revs = $changelog->getRevisions(0, 1);
            $diff = (count($revs) && file_exists(mediaFN($recent['id'])));
            if ($diff) {
                $href = media_managerURL(array(
                                             'tab_details' => 'history',
                                             'mediado' => 'diff',
                                             'image' => $recent['id'],
                                             'ns' => getNS($recent['id'])
                                         ), '&');
            }
        } else {
            $href = wl($recent['id'],"do=diff", false, '&');
        }

        if (!empty($recent['media']) && !$diff) {
            $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
        } else {
            $form->addElement(form_makeOpenTag('a', array('class' => 'diff_link', 'href' => $href)));
            $form->addElement(form_makeTag('img', array(
                            'src'   => DOKU_BASE.'lib/images/diff.png',
                            'width' => 15,
                            'height'=> 11,
                            'title' => $lang['diff'],
                            'alt'   => $lang['diff']
                            )));
            $form->addElement(form_makeCloseTag('a'));
        }

        if (!empty($recent['media'])) {
            $href = media_managerURL(array('tab_details' => 'history',
                'image' => $recent['id'], 'ns' => getNS($recent['id'])), '&');
        } else {
            $href = wl($recent['id'],"do=revisions",false,'&');
        }
        $form->addElement(form_makeOpenTag('a', array('class' => 'revisions_link', 'href' => $href)));
        $form->addElement(form_makeTag('img', array(
                        'src'   => DOKU_BASE.'lib/images/history.png',
                        'width' => 12,
                        'height'=> 14,
                        'title' => $lang['btn_revs'],
                        'alt'   => $lang['btn_revs']
                        )));
        $form->addElement(form_makeCloseTag('a'));

        if (!empty($recent['media'])) {
            $href = media_managerURL(array('tab_details' => 'view', 'image' => $recent['id'], 'ns' => getNS($recent['id'])), '&');
            $class = (file_exists(mediaFN($recent['id']))) ? 'wikilink1' : $class = 'wikilink2';
            $form->addElement(form_makeOpenTag('a', array('class' => $class, 'href' => $href)));
            $form->addElement($recent['id']);
            $form->addElement(form_makeCloseTag('a'));
        } else {
            $form->addElement(html_wikilink(':'.$recent['id'],useHeading('navigation')?null:$recent['id']));
        }
        $form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
        $form->addElement(' – '.htmlspecialchars($recent['sum']));
        $form->addElement(form_makeCloseTag('span'));

        $form->addElement(form_makeOpenTag('span', array('class' => 'user')));
        if($recent['user']){
            $form->addElement('<bdi>'.editorinfo($recent['user']).'</bdi>');
            if(auth_ismanager()){
                $form->addElement(' <bdo dir="ltr">('.$recent['ip'].')</bdo>');
            }
        }else{
            $form->addElement('<bdo dir="ltr">'.$recent['ip'].'</bdo>');
        }
        $form->addElement(form_makeCloseTag('span'));

        $form->addElement(form_makeCloseTag('div'));
        $form->addElement(form_makeCloseTag('li'));
    }
    $form->addElement(form_makeCloseTag('ul'));

    $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav')));
    $last = $first + $conf['recent'];
    if ($first > 0) {
        $first -= $conf['recent'];
        if ($first < 0) $first = 0;
        $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav-prev')));
        $form->addElement(form_makeTag('input', array(
                    'type'  => 'submit',
                    'name'  => 'first['.$first.']',
                    'value' => $lang['btn_newer'],
                    'accesskey' => 'n',
                    'title' => $lang['btn_newer'].' [N]',
                    'class' => 'button show'
                    )));
        $form->addElement(form_makeCloseTag('div'));
    }
    if ($hasNext) {
        $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav-next')));
        $form->addElement(form_makeTag('input', array(
                        'type'  => 'submit',
                        'name'  => 'first['.$last.']',
                        'value' => $lang['btn_older'],
                        'accesskey' => 'p',
                        'title' => $lang['btn_older'].' [P]',
                        'class' => 'button show'
                        )));
        $form->addElement(form_makeCloseTag('div'));
    }
    $form->addElement(form_makeCloseTag('div'));
    html_form('recent', $form);
}

/**
 * Display page index
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 *
 * @param string $ns
 */
function html_index($ns){
    global $conf;
    global $ID;
    $ns  = cleanID($ns);
    #fixme use appropriate function
    if(empty($ns)){
        $ns = dirname(str_replace(':','/',$ID));
        if($ns == '.') $ns ='';
    }
    $ns  = utf8_encodeFN(str_replace(':','/',$ns));

    echo p_locale_xhtml('index');
    echo '<div id="index__tree">';

    $data = array();
    search($data,$conf['datadir'],'search_index',array('ns' => $ns));
    echo html_buildlist($data,'idx','html_list_index','html_li_index');

    echo '</div>';
}

/**
 * Index item formatter
 *
 * User function for html_buildlist()
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 *
 * @param array $item
 * @return string
 */
function html_list_index($item){
    global $ID, $conf;

    // prevent searchbots needlessly following links
    $nofollow = ($ID != $conf['start'] || $conf['sitemap']) ? ' rel="nofollow"' : '';

    $ret = '';
    $base = ':'.$item['id'];
    $base = substr($base,strrpos($base,':')+1);
    if($item['type']=='d'){
        // FS#2766, no need for search bots to follow namespace links in the index
        $ret .= '<a href="'.wl($ID,'idx='.rawurlencode($item['id'])).'" title="' . $item['id'] . '" class="idx_dir"' . $nofollow . '><strong>';
        $ret .= $base;
        $ret .= '</strong></a>';
    }else{
        // default is noNSorNS($id), but we want noNS($id) when useheading is off FS#2605
        $ret .= html_wikilink(':'.$item['id'], useHeading('navigation') ? null : noNS($item['id']));
    }
    return $ret;
}

/**
 * Index List item
 *
 * This user function is used in html_buildlist to build the
 * <li> tags for namespaces when displaying the page index
 * it gives different classes to opened or closed "folders"
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 *
 * @param array $item
 * @return string html
 */
function html_li_index($item){
    global $INFO;

    $class = '';
    $id = '';

    if($item['type'] == "f"){
        // scroll to the current item
        if($item['id'] == $INFO['id']) {
            $id = ' id="scroll__here"';
            $class = ' bounce';
        }
        return '<li class="level'.$item['level'].$class.'" '.$id.'>';
    }elseif($item['open']){
        return '<li class="open">';
    }else{
        return '<li class="closed">';
    }
}

/**
 * Default List item
 *
 * @author Andreas Gohr <andi@splitbrain.org>
 *
 * @param array $item
 * @return string html
 */
function html_li_default($item){
    return '<li class="level'.$item['level'].'">';
}

/**
 * Build an unordered list
 *
 * Build an unordered list from the given $data array
 * Each item in the array has to have a 'level' property
 * the item itself gets printed by the given $func user
 * function. The second and optional function is used to
 * print the <li> tag. Both user function need to accept
 * a single item.
 *
 * Both user functions can be given as array to point to
 * a member of an object.
 *