xref: /dokuwiki/inc/html.php (revision 216ad4f470e8a265cd1d74bfc3fa87098aa73154) 
1<?php
2/**
3 * HTML output functions
4 *
5 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
6 * @author     Andreas Gohr <andi@splitbrain.org>
7 */
8
9if(!defined('DOKU_INC')) die('meh.');
10if(!defined('NL')) define('NL',"\n");
11
12/**
13 * Convenience function to quickly build a wikilink
14 *
15 * @author Andreas Gohr <andi@splitbrain.org>
16 * @param string  $id      id of the target page
17 * @param string  $name    the name of the link, i.e. the text that is displayed
18 * @param string|array  $search  search string(s) that shall be highlighted in the target page
19 * @return string the HTML code of the link
20 */
21function html_wikilink($id,$name=null,$search=''){
22    /** @var Doku_Renderer_xhtml $xhtml_renderer */
23    static $xhtml_renderer = null;
24    if(is_null($xhtml_renderer)){
25        $xhtml_renderer = p_get_renderer('xhtml');
26    }
27
28    return $xhtml_renderer->internallink($id,$name,$search,true,'navigation');
29}
30
31/**
32 * The loginform
33 *
34 * @author   Andreas Gohr <andi@splitbrain.org>
35 */
36function html_login(){
37    global $lang;
38    global $conf;
39    global $ID;
40    global $INPUT;
41
42    print p_locale_xhtml('login');
43    print '<div class="centeralign">'.NL;
44    $form = new Doku_Form(array('id' => 'dw__login'));
45    $form->startFieldset($lang['btn_login']);
46    $form->addHidden('id', $ID);
47    $form->addHidden('do', 'login');
48    $form->addElement(form_makeTextField('u', ((!$INPUT->bool('http_credentials')) ? $INPUT->str('u') : ''), $lang['user'], 'focus__this', 'block'));
49    $form->addElement(form_makePasswordField('p', $lang['pass'], '', 'block'));
50    if($conf['rememberme']) {
51        $form->addElement(form_makeCheckboxField('r', '1', $lang['remember'], 'remember__me', 'simple'));
52    }
53    $form->addElement(form_makeButton('submit', '', $lang['btn_login']));
54    $form->endFieldset();
55
56    if(actionOK('register')){
57        $form->addElement('<p>'.$lang['reghere'].': '.tpl_actionlink('register','','','',true).'</p>');
58    }
59
60    if (actionOK('resendpwd')) {
61        $form->addElement('<p>'.$lang['pwdforget'].': '.tpl_actionlink('resendpwd','','','',true).'</p>');
62    }
63
64    html_form('login', $form);
65    print '</div>'.NL;
66}
67
68
69/**
70 * Denied page content
71 *
72 * @return string html
73 */
74function html_denied() {
75    print p_locale_xhtml('denied');
76
77    if(!$_SERVER['REMOTE_USER']){
78        html_login();
79    }
80}
81
82/**
83 * inserts section edit buttons if wanted or removes the markers
84 *
85 * @author Andreas Gohr <andi@splitbrain.org>
86 */
87function html_secedit($text,$show=true){
88    global $INFO;
89
90    $regexp = '#<!-- EDIT(\d+) ([A-Z_]+) (?:"([^"]*)" )?\[(\d+-\d*)\] -->#';
91
92    if(!$INFO['writable'] || !$show || $INFO['rev']){
93        return preg_replace($regexp,'',$text);
94    }
95
96    return preg_replace_callback($regexp,
97                'html_secedit_button', $text);
98}
99
100/**
101 * prepares section edit button data for event triggering
102 * used as a callback in html_secedit
103 *
104 * @triggers HTML_SECEDIT_BUTTON
105 * @author Andreas Gohr <andi@splitbrain.org>
106 */
107function html_secedit_button($matches){
108    $data = array('secid'  => $matches[1],
109                  'target' => strtolower($matches[2]),
110                  'range'  => $matches[count($matches) - 1]);
111    if (count($matches) === 5) {
112        $data['name'] = $matches[3];
113    }
114
115    return trigger_event('HTML_SECEDIT_BUTTON', $data,
116                         'html_secedit_get_button');
117}
118
119/**
120 * prints a section editing button
121 * used as default action form HTML_SECEDIT_BUTTON
122 *
123 * @author Adrian Lang <lang@cosmocode.de>
124 */
125function html_secedit_get_button($data) {
126    global $ID;
127    global $INFO;
128
129    if (!isset($data['name']) || $data['name'] === '') return '';
130
131    $name = $data['name'];
132    unset($data['name']);
133
134    $secid = $data['secid'];
135    unset($data['secid']);
136
137    return "<div class='secedit editbutton_" . $data['target'] .
138                       " editbutton_" . $secid . "'>" .
139           html_btn('secedit', $ID, '',
140                    array_merge(array('do'  => 'edit',
141                                      'rev' => $INFO['lastmod'],
142                                      'summary' => '['.$name.'] '), $data),
143                    'post', $name) . '</div>';
144}
145
146/**
147 * Just the back to top button (in its own form)
148 *
149 * @author Andreas Gohr <andi@splitbrain.org>
150 */
151function html_topbtn(){
152    global $lang;
153
154    $ret  = '<a class="nolink" href="#dokuwiki__top"><input type="button" class="button" value="'.$lang['btn_top'].'" onclick="window.scrollTo(0, 0)" title="'.$lang['btn_top'].'" /></a>';
155
156    return $ret;
157}
158
159/**
160 * Displays a button (using its own form)
161 * If tooltip exists, the access key tooltip is replaced.
162 *
163 * @author Andreas Gohr <andi@splitbrain.org>
164 */
165function html_btn($name,$id,$akey,$params,$method='get',$tooltip='',$label=false){
166    global $conf;
167    global $lang;
168
169    if (!$label)
170        $label = $lang['btn_'.$name];
171
172    $ret = '';
173
174    //filter id (without urlencoding)
175    $id = idfilter($id,false);
176
177    //make nice URLs even for buttons
178    if($conf['userewrite'] == 2){
179        $script = DOKU_BASE.DOKU_SCRIPT.'/'.$id;
180    }elseif($conf['userewrite']){
181        $script = DOKU_BASE.$id;
182    }else{
183        $script = DOKU_BASE.DOKU_SCRIPT;
184        $params['id'] = $id;
185    }
186
187    $ret .= '<form class="button btn_'.$name.'" method="'.$method.'" action="'.$script.'"><div class="no">';
188
189    if(is_array($params)){
190        reset($params);
191        while (list($key, $val) = each($params)) {
192            $ret .= '<input type="hidden" name="'.$key.'" ';
193            $ret .= 'value="'.htmlspecialchars($val).'" />';
194        }
195    }
196
197    if ($tooltip!='') {
198        $tip = htmlspecialchars($tooltip);
199    }else{
200        $tip = htmlspecialchars($label);
201    }
202
203    $ret .= '<input type="submit" value="'.hsc($label).'" class="button" ';
204    if($akey){
205        $tip .= ' ['.strtoupper($akey).']';
206        $ret .= 'accesskey="'.$akey.'" ';
207    }
208    $ret .= 'title="'.$tip.'" ';
209    $ret .= '/>';
210    $ret .= '</div></form>';
211
212    return $ret;
213}
214
215/**
216 * show a wiki page
217 *
218 * @author Andreas Gohr <andi@splitbrain.org>
219 */
220function html_show($txt=null){
221    global $ID;
222    global $REV;
223    global $HIGH;
224    global $INFO;
225    //disable section editing for old revisions or in preview
226    if($txt || $REV){
227        $secedit = false;
228    }else{
229        $secedit = true;
230    }
231
232    if (!is_null($txt)){
233        //PreviewHeader
234        echo '<br id="scroll__here" />';
235        echo p_locale_xhtml('preview');
236        echo '<div class="preview"><div class="pad">';
237        $html = html_secedit(p_render('xhtml',p_get_instructions($txt),$info),$secedit);
238        if($INFO['prependTOC']) $html = tpl_toc(true).$html;
239        echo $html;
240        echo '<div class="clearer"></div>';
241        echo '</div></div>';
242
243    }else{
244        if ($REV) print p_locale_xhtml('showrev');
245        $html = p_wiki_xhtml($ID,$REV,true);
246        $html = html_secedit($html,$secedit);
247        if($INFO['prependTOC']) $html = tpl_toc(true).$html;
248        $html = html_hilight($html,$HIGH);
249        echo $html;
250    }
251}
252
253/**
254 * ask the user about how to handle an exisiting draft
255 *
256 * @author Andreas Gohr <andi@splitbrain.org>
257 */
258function html_draft(){
259    global $INFO;
260    global $ID;
261    global $lang;
262    $draft = unserialize(io_readFile($INFO['draft'],false));
263    $text  = cleanText(con($draft['prefix'],$draft['text'],$draft['suffix'],true));
264
265    print p_locale_xhtml('draft');
266    $form = new Doku_Form(array('id' => 'dw__editform'));
267    $form->addHidden('id', $ID);
268    $form->addHidden('date', $draft['date']);
269    $form->addElement(form_makeWikiText($text, array('readonly'=>'readonly')));
270    $form->addElement(form_makeOpenTag('div', array('id'=>'draft__status')));
271    $form->addElement($lang['draftdate'].' '. dformat(filemtime($INFO['draft'])));
272    $form->addElement(form_makeCloseTag('div'));
273    $form->addElement(form_makeButton('submit', 'recover', $lang['btn_recover'], array('tabindex'=>'1')));
274    $form->addElement(form_makeButton('submit', 'draftdel', $lang['btn_draftdel'], array('tabindex'=>'2')));
275    $form->addElement(form_makeButton('submit', 'show', $lang['btn_cancel'], array('tabindex'=>'3')));
276    html_form('draft', $form);
277}
278
279/**
280 * Highlights searchqueries in HTML code
281 *
282 * @author Andreas Gohr <andi@splitbrain.org>
283 * @author Harry Fuecks <hfuecks@gmail.com>
284 */
285function html_hilight($html,$phrases){
286    $phrases = (array) $phrases;
287    $phrases = array_map('preg_quote_cb', $phrases);
288    $phrases = array_map('ft_snippet_re_preprocess', $phrases);
289    $phrases = array_filter($phrases);
290    $regex = join('|',$phrases);
291
292    if ($regex === '') return $html;
293    if (!utf8_check($regex)) return $html;
294    $html = @preg_replace_callback("/((<[^>]*)|$regex)/ui",'html_hilight_callback',$html);
295    return $html;
296}
297
298/**
299 * Callback used by html_hilight()
300 *
301 * @author Harry Fuecks <hfuecks@gmail.com>
302 */
303function html_hilight_callback($m) {
304    $hlight = unslash($m[0]);
305    if ( !isset($m[2])) {
306        $hlight = '<span class="search_hit">'.$hlight.'</span>';
307    }
308    return $hlight;
309}
310
311/**
312 * Run a search and display the result
313 *
314 * @author Andreas Gohr <andi@splitbrain.org>
315 */
316function html_search(){
317    global $QUERY;
318    global $lang;
319
320    $intro = p_locale_xhtml('searchpage');
321    // allow use of placeholder in search intro
322    $intro = str_replace(
323                array('@QUERY@','@SEARCH@'),
324                array(hsc(rawurlencode($QUERY)),hsc($QUERY)),
325                $intro);
326    echo $intro;
327    flush();
328
329    //show progressbar
330    print '<div id="dw__loading">'.NL;
331    print '<script type="text/javascript">/*<![CDATA[*/'.NL;
332    print 'showLoadBar();'.NL;
333    print '/*!]]>*/</script>'.NL;
334    print '</div>'.NL;
335    flush();
336
337    //do quick pagesearch
338    $data = ft_pageLookup($QUERY,true,useHeading('navigation'));
339    if(count($data)){
340        print '<div class="search_quickresult">';
341        print '<h3>'.$lang['quickhits'].':</h3>';
342        print '<ul class="search_quickhits">';
343        foreach($data as $id => $title){
344            print '<li> ';
345            if (useHeading('navigation')) {
346                $name = $title;
347            }else{
348                $ns = getNS($id);
349                if($ns){
350                    $name = shorten(noNS($id), ' ('.$ns.')',30);
351                }else{
352                    $name = $id;
353                }
354            }
355            print html_wikilink(':'.$id,$name);
356            print '</li> ';
357        }
358        print '</ul> ';
359        //clear float (see http://www.complexspiral.com/publications/containing-floats/)
360        print '<div class="clearer"></div>';
361        print '</div>';
362    }
363    flush();
364
365    //do fulltext search
366    $data = ft_pageSearch($QUERY,$regex);
367    if(count($data)){
368        print '<dl class="search_results">';
369        $num = 1;
370        foreach($data as $id => $cnt){
371            print '<dt>';
372            print html_wikilink(':'.$id,useHeading('navigation')?null:$id,$regex);
373            if($cnt !== 0){
374                print ': '.$cnt.' '.$lang['hits'].'';
375            }
376            print '</dt>';
377            if($cnt !== 0){
378                if($num < FT_SNIPPET_NUMBER){ // create snippets for the first number of matches only
379                    print '<dd>'.ft_snippet($id,$regex).'</dd>';
380                }
381                $num++;
382            }
383            flush();
384        }
385        print '</dl>';
386    }else{
387        print '<div class="nothing">'.$lang['nothingfound'].'</div>';
388    }
389
390    //hide progressbar
391    print '<script type="text/javascript">/*<![CDATA[*/'.NL;
392    print 'hideLoadBar("dw__loading");'.NL;
393    print '/*!]]>*/</script>'.NL;
394    flush();
395}
396
397/**
398 * Display error on locked pages
399 *
400 * @author Andreas Gohr <andi@splitbrain.org>
401 */
402function html_locked(){
403    global $ID;
404    global $conf;
405    global $lang;
406    global $INFO;
407
408    $locktime = filemtime(wikiLockFN($ID));
409    $expire = dformat($locktime + $conf['locktime']);
410    $min    = round(($conf['locktime'] - (time() - $locktime) )/60);
411
412    print p_locale_xhtml('locked');
413    print '<ul>';
414    print '<li><div class="li"><strong>'.$lang['lockedby'].'</strong> '.editorinfo($INFO['locked']).'</div></li>';
415    print '<li><div class="li"><strong>'.$lang['lockexpire'].'</strong> '.$expire.' ('.$min.' min)</div></li>';
416    print '</ul>';
417}
418
419/**
420 * list old revisions
421 *
422 * @author Andreas Gohr <andi@splitbrain.org>
423 * @author Ben Coburn <btcoburn@silicodon.net>
424 * @author Kate Arzamastseva <pshns@ukr.net>
425 */
426function html_revisions($first=0, $media_id = false){
427    global $ID;
428    global $INFO;
429    global $conf;
430    global $lang;
431    $id = $ID;
432    if ($media_id) {
433        $id = $media_id;
434        $changelog = new MediaChangeLog($id);
435    } else {
436        $changelog = new PageChangeLog($id);
437    }
438
439    /* we need to get one additional log entry to be able to
440     * decide if this is the last page or is there another one.
441     * see html_recent()
442     */
443
444    $revisions = $changelog->getRevisions($first, $conf['recent']+1);
445
446    if(count($revisions)==0 && $first!=0){
447        $first=0;
448        $revisions = $changelog->getRevisions($first, $conf['recent']+1);
449    }
450    $hasNext = false;
451    if (count($revisions)>$conf['recent']) {
452        $hasNext = true;
453        array_pop($revisions); // remove extra log entry
454    }
455
456    if (!$media_id) $date = dformat($INFO['lastmod']);
457    else $date = dformat(@filemtime(mediaFN($id)));
458
459    if (!$media_id) print p_locale_xhtml('revisions');
460
461    $params = array('id' => 'page__revisions', 'class' => 'changes');
462    if ($media_id) $params['action'] = media_managerURL(array('image' => $media_id), '&');
463
464    $form = new Doku_Form($params);
465    $form->addElement(form_makeOpenTag('ul'));
466
467    if (!$media_id) $exists = $INFO['exists'];
468    else $exists = @file_exists(mediaFN($id));
469
470    $display_name = (!$media_id && useHeading('navigation')) ? hsc(p_get_first_heading($id)) : $id;
471    if (!$display_name) $display_name = $id;
472
473    if($exists && $first==0){
474        if (!$media_id && isset($INFO['meta']) && isset($INFO['meta']['last_change']) && $INFO['meta']['last_change']['type']===DOKU_CHANGE_TYPE_MINOR_EDIT)
475            $form->addElement(form_makeOpenTag('li', array('class' => 'minor')));
476        else
477            $form->addElement(form_makeOpenTag('li'));
478        $form->addElement(form_makeOpenTag('div', array('class' => 'li')));
479        $form->addElement(form_makeTag('input', array(
480                        'type' => 'checkbox',
481                        'name' => 'rev2[]',
482                        'value' => 'current')));
483
484        $form->addElement(form_makeOpenTag('span', array('class' => 'date')));
485        $form->addElement($date);
486        $form->addElement(form_makeCloseTag('span'));
487
488        $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
489
490        if (!$media_id) $href = wl($id);
491        else $href = media_managerURL(array('image' => $id, 'tab_details' => 'view'), '&');
492        $form->addElement(form_makeOpenTag('a', array(
493                        'class' => 'wikilink1',
494                        'href'  => $href)));
495        $form->addElement($display_name);
496        $form->addElement(form_makeCloseTag('a'));
497
498        if ($media_id) $form->addElement(form_makeOpenTag('div'));
499
500        if (!$media_id) {
501            $form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
502            $form->addElement(' – ');
503            $form->addElement(htmlspecialchars($INFO['sum']));
504            $form->addElement(form_makeCloseTag('span'));
505        }
506
507        $changelog->setChunkSize(1024);
508
509        $form->addElement(form_makeOpenTag('span', array('class' => 'user')));
510        if($media_id) {
511            $revinfo = $changelog->getRevisionInfo(@filemtime(fullpath(mediaFN($id))));
512            if($revinfo['user']) {
513                $editor = $revinfo['user'];
514            } else {
515                $editor = $revinfo['ip'];
516            }
517        } else {
518            $editor = $INFO['editor'];
519        }
520        $form->addElement((empty($editor))?('('.$lang['external_edit'].')'):editorinfo($editor));
521        $form->addElement(form_makeCloseTag('span'));
522
523        $form->addElement('('.$lang['current'].')');
524
525        if ($media_id) $form->addElement(form_makeCloseTag('div'));
526
527        $form->addElement(form_makeCloseTag('div'));
528        $form->addElement(form_makeCloseTag('li'));
529    }
530
531    foreach($revisions as $rev){
532        $date = dformat($rev);
533        $info = $changelog->getRevisionInfo($rev);
534        if($media_id) {
535            $exists = @file_exists(mediaFN($id, $rev));
536        } else {
537            $exists = page_exists($id, $rev);
538        }
539
540        if ($info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT)
541            $form->addElement(form_makeOpenTag('li', array('class' => 'minor')));
542        else
543            $form->addElement(form_makeOpenTag('li'));
544        $form->addElement(form_makeOpenTag('div', array('class' => 'li')));
545        if($exists){
546            $form->addElement(form_makeTag('input', array(
547                            'type' => 'checkbox',
548                            'name' => 'rev2[]',
549                            'value' => $rev)));
550        }else{
551            $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
552        }
553
554        $form->addElement(form_makeOpenTag('span', array('class' => 'date')));
555        $form->addElement($date);
556        $form->addElement(form_makeCloseTag('span'));
557
558        if($exists){
559            if (!$media_id) $href = wl($id,"rev=$rev,do=diff", false, '&');
560            else $href = media_managerURL(array('image' => $id, 'rev' => $rev, 'mediado' => 'diff'), '&');
561            $form->addElement(form_makeOpenTag('a', array('href' => $href, 'class' => 'diff_link')));
562            $form->addElement(form_makeTag('img', array(
563                            'src'    => DOKU_BASE.'lib/images/diff.png',
564                            'width'  => 15,
565                            'height' => 11,
566                            'title'  => $lang['diff'],
567                            'alt'    => $lang['diff'])));
568            $form->addElement(form_makeCloseTag('a'));
569            if (!$media_id) $href = wl($id,"rev=$rev",false,'&');
570            else $href = media_managerURL(array('image' => $id, 'tab_details' => 'view', 'rev' => $rev), '&');
571            $form->addElement(form_makeOpenTag('a', array('href' => $href, 'class' => 'wikilink1')));
572            $form->addElement($display_name);
573            $form->addElement(form_makeCloseTag('a'));
574        }else{
575            $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
576            $form->addElement($display_name);
577        }
578
579        if ($media_id) $form->addElement(form_makeOpenTag('div'));
580
581        if ($info['sum']) {
582            $form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
583            if (!$media_id) $form->addElement(' – ');
584            $form->addElement('<bdi>'.htmlspecialchars($info['sum']).'</bdi>');
585            $form->addElement(form_makeCloseTag('span'));
586        }
587
588        $form->addElement(form_makeOpenTag('span', array('class' => 'user')));
589        if($info['user']){
590            $form->addElement('<bdi>'.editorinfo($info['user']).'</bdi>');
591            if(auth_ismanager()){
592                $form->addElement(' <bdo dir="ltr">('.$info['ip'].')</bdo>');
593            }
594        }else{
595            $form->addElement('<bdo dir="ltr">'.$info['ip'].'</bdo>');
596        }
597        $form->addElement(form_makeCloseTag('span'));
598
599        if ($media_id) $form->addElement(form_makeCloseTag('div'));
600
601        $form->addElement(form_makeCloseTag('div'));
602        $form->addElement(form_makeCloseTag('li'));
603    }
604    $form->addElement(form_makeCloseTag('ul'));
605    if (!$media_id) {
606        $form->addElement(form_makeButton('submit', 'diff', $lang['diff2']));
607    } else {
608        $form->addHidden('mediado', 'diff');
609        $form->addElement(form_makeButton('submit', '', $lang['diff2']));
610    }
611    html_form('revisions', $form);
612
613    print '<div class="pagenav">';
614    $last = $first + $conf['recent'];
615    if ($first > 0) {
616        $first -= $conf['recent'];
617        if ($first < 0) $first = 0;
618        print '<div class="pagenav-prev">';
619        if ($media_id) {
620            print html_btn('newer',$media_id,"p",media_managerURL(array('first' => $first), '&amp;', false, true));
621        } else {
622            print html_btn('newer',$id,"p",array('do' => 'revisions', 'first' => $first));
623        }
624        print '</div>';
625    }
626    if ($hasNext) {
627        print '<div class="pagenav-next">';
628        if ($media_id) {
629            print html_btn('older',$media_id,"n",media_managerURL(array('first' => $last), '&amp;', false, true));
630        } else {
631            print html_btn('older',$id,"n",array('do' => 'revisions', 'first' => $last));
632        }
633        print '</div>';
634    }
635    print '</div>';
636
637}
638
639/**
640 * display recent changes
641 *
642 * @author Andreas Gohr <andi@splitbrain.org>
643 * @author Matthias Grimm <matthiasgrimm@users.sourceforge.net>
644 * @author Ben Coburn <btcoburn@silicodon.net>
645 * @author Kate Arzamastseva <pshns@ukr.net>
646 */
647function html_recent($first=0, $show_changes='both'){
648    global $conf;
649    global $lang;
650    global $ID;
651    /* we need to get one additionally log entry to be able to
652     * decide if this is the last page or is there another one.
653     * This is the cheapest solution to get this information.
654     */
655    $flags = 0;
656    if ($show_changes == 'mediafiles' && $conf['mediarevisions']) {
657        $flags = RECENTS_MEDIA_CHANGES;
658    } elseif ($show_changes == 'pages') {
659        $flags = 0;
660    } elseif ($conf['mediarevisions']) {
661        $show_changes = 'both';
662        $flags = RECENTS_MEDIA_PAGES_MIXED;
663    }
664
665    $recents = getRecents($first,$conf['recent'] + 1,getNS($ID),$flags);
666    if(count($recents) == 0 && $first != 0){
667        $first=0;
668        $recents = getRecents($first,$conf['recent'] + 1,getNS($ID),$flags);
669    }
670    $hasNext = false;
671    if (count($recents)>$conf['recent']) {
672        $hasNext = true;
673        array_pop($recents); // remove extra log entry
674    }
675
676    print p_locale_xhtml('recent');
677
678    if (getNS($ID) != '')
679        print '<div class="level1"><p>' . sprintf($lang['recent_global'], getNS($ID), wl('', 'do=recent')) . '</p></div>';
680
681    $form = new Doku_Form(array('id' => 'dw__recent', 'method' => 'GET', 'class' => 'changes'));
682    $form->addHidden('sectok', null);
683    $form->addHidden('do', 'recent');
684    $form->addHidden('id', $ID);
685
686    if ($conf['mediarevisions']) {
687        $form->addElement('<div class="changeType">');
688        $form->addElement(form_makeListboxField(
689                    'show_changes',
690                    array(
691                        'pages'      => $lang['pages_changes'],
692                        'mediafiles' => $lang['media_changes'],
693                        'both'       => $lang['both_changes']),
694                    $show_changes,
695                    $lang['changes_type'],
696                    '','',
697                    array('class'=>'quickselect')));
698
699        $form->addElement(form_makeButton('submit', 'recent', $lang['btn_apply']));
700        $form->addElement('</div>');
701    }
702
703    $form->addElement(form_makeOpenTag('ul'));
704
705    foreach($recents as $recent){
706        $date = dformat($recent['date']);
707        if ($recent['type']===DOKU_CHANGE_TYPE_MINOR_EDIT)
708            $form->addElement(form_makeOpenTag('li', array('class' => 'minor')));
709        else
710            $form->addElement(form_makeOpenTag('li'));
711
712        $form->addElement(form_makeOpenTag('div', array('class' => 'li')));
713
714        if (!empty($recent['media'])) {
715            $form->addElement(media_printicon($recent['id']));
716        } else {
717            $icon = DOKU_BASE.'lib/images/fileicons/file.png';
718            $form->addElement('<img src="'.$icon.'" alt="'.$recent['id'].'" class="icon" />');
719        }
720
721        $form->addElement(form_makeOpenTag('span', array('class' => 'date')));
722        $form->addElement($date);
723        $form->addElement(form_makeCloseTag('span'));
724
725        $diff = false;
726        $href = '';
727
728        if (!empty($recent['media'])) {
729            $diff = (count(getRevisions($recent['id'], 0, 1, 8192, true)) && @file_exists(mediaFN($recent['id'])));
730            if ($diff) {
731                $href = media_managerURL(array('tab_details' => 'history',
732                    'mediado' => 'diff', 'image' => $recent['id'], 'ns' => getNS($recent['id'])), '&');
733            }
734        } else {
735            $href = wl($recent['id'],"do=diff", false, '&');
736        }
737
738        if (!empty($recent['media']) && !$diff) {
739            $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
740        } else {
741            $form->addElement(form_makeOpenTag('a', array('class' => 'diff_link', 'href' => $href)));
742            $form->addElement(form_makeTag('img', array(
743                            'src'   => DOKU_BASE.'lib/images/diff.png',
744                            'width' => 15,
745                            'height'=> 11,
746                            'title' => $lang['diff'],
747                            'alt'   => $lang['diff']
748                            )));
749            $form->addElement(form_makeCloseTag('a'));
750        }
751
752        if (!empty($recent['media'])) {
753            $href = media_managerURL(array('tab_details' => 'history',
754                'image' => $recent['id'], 'ns' => getNS($recent['id'])), '&');
755        } else {
756            $href = wl($recent['id'],"do=revisions",false,'&');
757        }
758        $form->addElement(form_makeOpenTag('a', array('class' => 'revisions_link', 'href' => $href)));
759        $form->addElement(form_makeTag('img', array(
760                        'src'   => DOKU_BASE.'lib/images/history.png',
761                        'width' => 12,
762                        'height'=> 14,
763                        'title' => $lang['btn_revs'],
764                        'alt'   => $lang['btn_revs']
765                        )));
766        $form->addElement(form_makeCloseTag('a'));
767
768        if (!empty($recent['media'])) {
769            $href = media_managerURL(array('tab_details' => 'view', 'image' => $recent['id'], 'ns' => getNS($recent['id'])), '&');
770            $class = (file_exists(mediaFN($recent['id']))) ? 'wikilink1' : $class = 'wikilink2';
771            $form->addElement(form_makeOpenTag('a', array('class' => $class, 'href' => $href)));
772            $form->addElement($recent['id']);
773            $form->addElement(form_makeCloseTag('a'));
774        } else {
775            $form->addElement(html_wikilink(':'.$recent['id'],useHeading('navigation')?null:$recent['id']));
776        }
777        $form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
778        $form->addElement(' – '.htmlspecialchars($recent['sum']));
779        $form->addElement(form_makeCloseTag('span'));
780
781        $form->addElement(form_makeOpenTag('span', array('class' => 'user')));
782        if($recent['user']){
783            $form->addElement('<bdi>'.editorinfo($recent['user']).'</bdi>');
784            if(auth_ismanager()){
785                $form->addElement(' <bdo dir="ltr">('.$recent['ip'].')</bdo>');
786            }
787        }else{
788            $form->addElement('<bdo dir="ltr">'.$recent['ip'].'</bdo>');
789        }
790        $form->addElement(form_makeCloseTag('span'));
791
792        $form->addElement(form_makeCloseTag('div'));
793        $form->addElement(form_makeCloseTag('li'));
794    }
795    $form->addElement(form_makeCloseTag('ul'));
796
797    $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav')));
798    $last = $first + $conf['recent'];
799    if ($first > 0) {
800        $first -= $conf['recent'];
801        if ($first < 0) $first = 0;
802        $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav-prev')));
803        $form->addElement(form_makeTag('input', array(
804                    'type'  => 'submit',
805                    'name'  => 'first['.$first.']',
806                    'value' => $lang['btn_newer'],
807                    'accesskey' => 'n',
808                    'title' => $lang['btn_newer'].' [N]',
809                    'class' => 'button show'
810                    )));
811        $form->addElement(form_makeCloseTag('div'));
812    }
813    if ($hasNext) {
814        $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav-next')));
815        $form->addElement(form_makeTag('input', array(
816                        'type'  => 'submit',
817                        'name'  => 'first['.$last.']',
818                        'value' => $lang['btn_older'],
819                        'accesskey' => 'p',
820                        'title' => $lang['btn_older'].' [P]',
821                        'class' => 'button show'
822                        )));
823        $form->addElement(form_makeCloseTag('div'));
824    }
825    $form->addElement(form_makeCloseTag('div'));
826    html_form('recent', $form);
827}
828
829/**
830 * Display page index
831 *
832 * @author Andreas Gohr <andi@splitbrain.org>
833 */
834function html_index($ns){
835    global $conf;
836    global $ID;
837    $ns  = cleanID($ns);
838    #fixme use appropriate function
839    if(empty($ns)){
840        $ns = dirname(str_replace(':','/',$ID));
841        if($ns == '.') $ns ='';
842    }
843    $ns  = utf8_encodeFN(str_replace(':','/',$ns));
844
845    echo p_locale_xhtml('index');
846    echo '<div id="index__tree">';
847
848    $data = array();
849    search($data,$conf['datadir'],'search_index',array('ns' => $ns));
850    echo html_buildlist($data,'idx','html_list_index','html_li_index');
851
852    echo '</div>';
853}
854
855/**
856 * Index item formatter
857 *
858 * User function for html_buildlist()
859 *
860 * @author Andreas Gohr <andi@splitbrain.org>
861 */
862function html_list_index($item){
863    global $ID, $conf;
864
865    // prevent searchbots needlessly following links
866    $nofollow = ($ID != $conf['start'] || $conf['sitemap']) ? ' rel="nofollow"' : '';
867
868    $ret = '';
869    $base = ':'.$item['id'];
870    $base = substr($base,strrpos($base,':')+1);
871    if($item['type']=='d'){
872        // FS#2766, no need for search bots to follow namespace links in the index
873        $ret .= '<a href="'.wl($ID,'idx='.rawurlencode($item['id'])).'" title="' . $item['id'] . '" class="idx_dir"' . $nofollow . '><strong>';
874        $ret .= $base;
875        $ret .= '</strong></a>';
876    }else{
877        // default is noNSorNS($id), but we want noNS($id) when useheading is off FS#2605
878        $ret .= html_wikilink(':'.$item['id'], useHeading('navigation') ? null : noNS($item['id']));
879    }
880    return $ret;
881}
882
883/**
884 * Index List item
885 *
886 * This user function is used in html_buildlist to build the
887 * <li> tags for namespaces when displaying the page index
888 * it gives different classes to opened or closed "folders"
889 *
890 * @author Andreas Gohr <andi@splitbrain.org>
891 */
892function html_li_index($item){
893    if($item['type'] == "f"){
894        return '<li class="level'.$item['level'].'">';
895    }elseif($item['open']){
896        return '<li class="open">';
897    }else{
898        return '<li class="closed">';
899    }
900}
901
902/**
903 * Default List item
904 *
905 * @author Andreas Gohr <andi@splitbrain.org>
906 */
907function html_li_default($item){
908    return '<li class="level'.$item['level'].'">';
909}
910
911/**
912 * Build an unordered list
913 *
914 * Build an unordered list from the given $data array
915 * Each item in the array has to have a 'level' property
916 * the item itself gets printed by the given $func user
917 * function. The second and optional function is used to
918 * print the <li> tag. Both user function need to accept
919 * a single item.
920 *
921 * Both user functions can be given as array to point to
922 * a member of an object.
923 *
924 * @author Andreas Gohr <andi@splitbrain.org>
925 *
926 * @param array    $data  array with item arrays
927 * @param string   $class class of ul wrapper
928 * @param callable $func  callback to print an list item
929 * @param string   $lifunc callback to the opening li tag
930 * @param bool     $forcewrapper Trigger building a wrapper ul if the first level is
931                                 0 (we have a root object) or 1 (just the root content)
932 * @return string html of an unordered list
933 */
934function html_buildlist($data,$class,$func,$lifunc='html_li_default',$forcewrapper=false){
935    if (count($data) === 0) {
936        return '';
937    }
938
939    $start_level = $data[0]['level'];
940    $level = $start_level;
941    $ret   = '';
942    $open  = 0;
943
944    foreach ($data as $item){
945
946        if( $item['level'] > $level ){
947            //open new list
948            for($i=0; $i<($item['level'] - $level); $i++){
949                if ($i) $ret .= "<li class=\"clear\">";
950                $ret .= "\n<ul class=\"$class\">\n";
951                $open++;
952            }
953            $level = $item['level'];
954
955        }elseif( $item['level'] < $level ){
956            //close last item
957            $ret .= "</li>\n";
958            while( $level > $item['level'] && $open > 0 ){
959                //close higher lists
960                $ret .= "</ul>\n</li>\n";
961                $level--;
962                $open--;
963            }
964        } elseif ($ret !== '') {
965            //close previous item
966            $ret .= "</li>\n";
967        }
968
969        //print item
970        $ret .= call_user_func($lifunc,$item);
971        $ret .= '<div class="li">';
972
973        $ret .= call_user_func($func,$item);
974        $ret .= '</div>';
975    }
976
977    //close remaining items and lists
978    $ret .= "</li>\n";
979    while($open-- > 0) {
980        $ret .= "</ul></li>\n";
981    }
982
983    if ($forcewrapper || $start_level < 2) {
984        // Trigger building a wrapper ul if the first level is
985        // 0 (we have a root object) or 1 (just the root content)
986        $ret = "\n<ul class=\"$class\">\n".$ret."</ul>\n";
987    }
988
989    return $ret;
990}
991
992/**
993 * display backlinks
994 *
995 * @author Andreas Gohr <andi@splitbrain.org>
996 * @author Michael Klier <chi@chimeric.de>
997 */
998function html_backlinks(){
999    global $ID;
1000    global $lang;
1001
1002    print p_locale_xhtml('backlinks');
1003
1004    $data = ft_backlinks($ID);
1005
1006    if(!empty($data)) {
1007        print '<ul class="idx">';
1008        foreach($data as $blink){
1009            print '<li><div class="li">';
1010            print html_wikilink(':'.$blink,useHeading('navigation')?null:$blink);
1011            print '</div></li>';
1012        }
1013        print '</ul>';
1014    } else {
1015        print '<div class="level1"><p>' . $lang['nothingfound'] . '</p></div>';
1016    }
1017}
1018
1019/**
1020 * Get header of diff HTML
1021 * @param string $l_rev   Left revisions
1022 * @param string $r_rev   Right revision
1023 * @param string $id      Page id, if null $ID is used
1024 * @param bool   $media   If it is for media files
1025 * @param bool   $inline  Return the header on a single line
1026 * @return array HTML snippets for diff header
1027 */
1028function html_diff_head($l_rev, $r_rev, $id = null, $media = false, $inline = false) {
1029    global $lang;
1030    if ($id === null) {
1031        global $ID;
1032        $id = $ID;
1033    }
1034    $head_separator = $inline ? ' ' : '<br />';
1035    $media_or_wikiFN = $media ? 'mediaFN' : 'wikiFN';
1036    $ml_or_wl = $media ? 'ml' : 'wl';
1037    $l_minor = $r_minor = '';
1038
1039    if($media) {
1040        $changelog = new MediaChangeLog($id);
1041    } else {
1042        $changelog = new PageChangeLog($id);
1043    }
1044    if(!$l_rev){
1045        $l_head = '&mdash;';
1046    }else{
1047        $l_info   = $changelog->getRevisionInfo($l_rev);
1048        if($l_info['user']){
1049            $l_user = '<bdi>'.editorinfo($l_info['user']).'</bdi>';
1050            if(auth_ismanager()) $l_user .= ' <bdo dir="ltr">('.$l_info['ip'].')</bdo>';
1051        } else {
1052            $l_user = '<bdo dir="ltr">'.$l_info['ip'].'</bdo>';
1053        }
1054        $l_user  = '<span class="user">'.$l_user.'</span>';
1055        $l_sum   = ($l_info['sum']) ? '<span class="sum"><bdi>'.hsc($l_info['sum']).'</bdi></span>' : '';
1056        if ($l_info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT) $l_minor = 'class="minor"';
1057
1058        $l_head_title = ($media) ? dformat($l_rev) : $id.' ['.dformat($l_rev).']';
1059        $l_head = '<bdi><a class="wikilink1" href="'.$ml_or_wl($id,"rev=$l_rev").'">'.
1060        $l_head_title.'</a></bdi>'.
1061        $head_separator.$l_user.' '.$l_sum;
1062    }
1063
1064    if($r_rev){
1065        $r_info   = $changelog->getRevisionInfo($r_rev);
1066        if($r_info['user']){
1067            $r_user = '<bdi>'.editorinfo($r_info['user']).'</bdi>';
1068            if(auth_ismanager()) $r_user .= ' <bdo dir="ltr">('.$r_info['ip'].')</bdo>';
1069        } else {
1070            $r_user = '<bdo dir="ltr">'.$r_info['ip'].'</bdo>';
1071        }
1072        $r_user = '<span class="user">'.$r_user.'</span>';
1073        $r_sum  = ($r_info['sum']) ? '<span class="sum"><bdi>'.hsc($r_info['sum']).'</bdi></span>' : '';
1074        if ($r_info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT) $r_minor = 'class="minor"';
1075
1076        $r_head_title = ($media) ? dformat($r_rev) : $id.' ['.dformat($r_rev).']';
1077        $r_head = '<bdi><a class="wikilink1" href="'.$ml_or_wl($id,"rev=$r_rev").'">'.
1078        $r_head_title.'</a></bdi>'.
1079        $head_separator.$r_user.' '.$r_sum;
1080    }elseif($_rev = @filemtime($media_or_wikiFN($id))){
1081        $_info   = $changelog->getRevisionInfo($_rev);
1082        if($_info['user']){
1083            $_user = '<bdi>'.editorinfo($_info['user']).'</bdi>';
1084            if(auth_ismanager()) $_user .= ' <bdo dir="ltr">('.$_info['ip'].')</bdo>';
1085        } else {
1086            $_user = '<bdo dir="ltr">'.$_info['ip'].'</bdo>';
1087        }
1088        $_user = '<span class="user">'.$_user.'</span>';
1089        $_sum  = ($_info['sum']) ? '<span class="sum"><bdi>'.hsc($_info['sum']).'</span></bdi>' : '';
1090        if ($_info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT) $r_minor = 'class="minor"';
1091
1092        $r_head_title = ($media) ? dformat($_rev) : $id.' ['.dformat($_rev).']';
1093        $r_head  = '<bdi><a class="wikilink1" href="'.$ml_or_wl($id).'">'.
1094        $r_head_title.'</a></bdi> '.
1095        '('.$lang['current'].')'.
1096        $head_separator.$_user.' '.$_sum;
1097    }else{
1098        $r_head = '&mdash; ('.$lang['current'].')';
1099    }
1100
1101    return array($l_head, $r_head, $l_minor, $r_minor);
1102}
1103
1104/**
1105 * Show diff
1106 * between current page version and provided $text
1107 * or between the revisions provided via GET or POST
1108 *
1109 * @author Andreas Gohr <andi@splitbrain.org>
1110 * @param  string $text  when non-empty: compare with this text with most current version
1111 * @param  bool   $intro display the intro text
1112 * @param  string $type  type of the diff (inline or sidebyside)
1113 */
1114function html_diff($text = '', $intro = true, $type = null) {
1115    global $ID;
1116    global $REV;
1117    global $lang;
1118    global $INPUT;
1119    global $INFO;
1120    $pagelog = new PageChangeLog($ID);
1121
1122    /*
1123     * Determine diff type
1124     */
1125    if(!$type) {
1126        $type = $INPUT->str('difftype');
1127        if(empty($type)) {
1128            $type = get_doku_pref('difftype', $type);
1129            if(empty($type) && $INFO['ismobile']) {
1130                $type = 'inline';
1131            }
1132        }
1133    }
1134    if($type != 'inline') $type = 'sidebyside';
1135
1136    /*
1137     * Determine requested revision(s)
1138     */
1139    // we're trying to be clever here, revisions to compare can be either
1140    // given as rev and rev2 parameters, with rev2 being optional. Or in an
1141    // array in rev2.
1142    $rev1 = $REV;
1143
1144    $rev2 = $INPUT->ref('rev2');
1145    if(is_array($rev2)) {
1146        $rev1 = (int) $rev2[0];
1147        $rev2 = (int) $rev2[1];
1148
1149        if(!$rev1) {
1150            $rev1 = $rev2;
1151            unset($rev2);
1152        }
1153    } else {
1154        $rev2 = $INPUT->int('rev2');
1155    }
1156
1157    /*
1158     * Determine left and right revision, its texts and the header
1159     */
1160    $r_minor = '';
1161    $l_minor = '';
1162
1163    if($text) { // compare text to the most current revision
1164        $l_rev = '';
1165        $l_text = rawWiki($ID, '');
1166        $l_head = '<a class="wikilink1" href="' . wl($ID) . '">' .
1167            $ID . ' ' . dformat((int) @filemtime(wikiFN($ID))) . '</a> ' .
1168            $lang['current'];
1169
1170        $r_rev = '';
1171        $r_text = cleanText($text);
1172        $r_head = $lang['yours'];
1173    } else {
1174        if($rev1 && isset($rev2) && $rev2) { // two specific revisions wanted
1175            // make sure order is correct (older on the left)
1176            if($rev1 < $rev2) {
1177                $l_rev = $rev1;
1178                $r_rev = $rev2;
1179            } else {
1180                $l_rev = $rev2;
1181                $r_rev = $rev1;
1182            }
1183        } elseif($rev1) { // single revision given, compare to current
1184            $r_rev = '';
1185            $l_rev = $rev1;
1186        } else { // no revision was given, compare previous to current
1187            $r_rev = '';
1188            $revs = $pagelog->getRevisions(0, 1);
1189            $l_rev = $revs[0];
1190            $REV = $l_rev; // store revision back in $REV
1191        }
1192
1193        // when both revisions are empty then the page was created just now
1194        if(!$l_rev && !$r_rev) {
1195            $l_text = '';
1196        } else {
1197            $l_text = rawWiki($ID, $l_rev);
1198        }
1199        $r_text = rawWiki($ID, $r_rev);
1200
1201        list($l_head, $r_head, $l_minor, $r_minor) = html_diff_head($l_rev, $r_rev, null, false, $type == 'inline');
1202    }
1203
1204    /*
1205     * Build navigation
1206     */
1207    $l_nav = '';
1208    $r_nav = '';
1209    if(!$text) {
1210        list($l_nav, $r_nav) = html_diff_navigation($pagelog, $type, $l_rev, $r_rev);
1211    }
1212    /*
1213     * Create diff object and the formatter
1214     */
1215    $diff = new Diff(explode("\n", $l_text), explode("\n", $r_text));
1216
1217    if($type == 'inline') {
1218        $diffformatter = new InlineDiffFormatter();
1219    } else {
1220        $diffformatter = new TableDiffFormatter();
1221    }
1222    /*
1223     * Display intro
1224     */
1225    if($intro) print p_locale_xhtml('diff');
1226
1227    /*
1228     * Display type and exact reference
1229     */
1230    if(!$text) {
1231        ptln('<div class="diffoptions group">');
1232
1233
1234        $form = new Doku_Form(array('action' => wl()));
1235        $form->addHidden('id', $ID);
1236        $form->addHidden('rev2[0]', $l_rev);
1237        $form->addHidden('rev2[1]', $r_rev);
1238        $form->addHidden('do', 'diff');
1239        $form->addElement(
1240             form_makeListboxField(
1241                 'difftype',
1242                 array(
1243                     'sidebyside' => $lang['diff_side'],
1244                     'inline' => $lang['diff_inline']
1245                 ),
1246                 $type,
1247                 $lang['diff_type'],
1248                 '', '',
1249                 array('class' => 'quickselect')
1250             )
1251        );
1252        $form->addElement(form_makeButton('submit', 'diff', 'Go'));
1253        $form->printForm();
1254
1255        ptln('<p>');
1256        // link to exactly this view FS#2835
1257        echo html_diff_navigationlink($type, 'difflink', $l_rev, $r_rev ? $r_rev : $INFO['currentrev']);
1258        ptln('</p>');
1259
1260        ptln('</div>'); // .diffoptions
1261    }
1262
1263    /*
1264     * Display diff view table
1265     */
1266    ?>
1267    <div class="table">
1268    <table class="diff diff_<?php echo $type ?>">
1269
1270        <?php
1271        //navigation and header
1272        if($type == 'inline') {
1273            if(!$text) { ?>
1274                <tr>
1275                    <td class="diff-lineheader">-</td>
1276                    <td class="diffnav"><?php echo $l_nav ?></td>
1277                </tr>
1278                <tr>
1279                    <th class="diff-lineheader">-</th>
1280                    <th <?php echo $l_minor ?>>
1281                        <?php echo $l_head ?>
1282                    </th>
1283                </tr>
1284            <?php } ?>
1285            <tr>
1286                <td class="diff-lineheader">+</td>
1287                <td class="diffnav"><?php echo $r_nav ?></td>
1288            </tr>
1289            <tr>
1290                <th class="diff-lineheader">+</th>
1291                <th <?php echo $r_minor ?>>
1292                    <?php echo $r_head ?>
1293                </th>
1294            </tr>
1295        <?php } else {
1296            if(!$text) { ?>
1297                <tr>
1298                    <td colspan="2" class="diffnav"><?php echo $l_nav ?></td>
1299                    <td colspan="2" class="diffnav"><?php echo $r_nav ?></td>
1300                </tr>
1301            <?php } ?>
1302            <tr>
1303                <th colspan="2" <?php echo $l_minor ?>>
1304                    <?php echo $l_head ?>
1305                </th>
1306                <th colspan="2" <?php echo $r_minor ?>>
1307                    <?php echo $r_head ?>
1308                </th>
1309            </tr>
1310        <?php }
1311
1312        //diff view
1313        echo html_insert_softbreaks($diffformatter->format($diff)); ?>
1314
1315    </table>
1316    </div>
1317<?php
1318}
1319
1320/**
1321 * Create html for revision navigation
1322 *
1323 * @param PageChangeLog $pagelog changelog object of current page
1324 * @param string        $type    inline vs sidebyside
1325 * @param int           $l_rev   left revision timestamp
1326 * @param int           $r_rev   right revision timestamp
1327 * @return string[] html of left and right navigation elements
1328 */
1329function html_diff_navigation($pagelog, $type, $l_rev, $r_rev) {
1330    global $INFO, $ID;
1331
1332    // last timestamp is not in changelog, retrieve timestamp from metadata
1333    // note: when page is removed, the metadata timestamp is zero
1334    $r_rev = $r_rev ? $r_rev : $INFO['meta']['last_change']['date'];
1335
1336    //retrieve revisions with additional info
1337    list($l_revs, $r_revs) = $pagelog->getRevisionsAround($l_rev, $r_rev);
1338    $l_revisions = array();
1339    if(!$l_rev) {
1340        $l_revisions[0] = array(0, "", false); //no left revision given, add dummy
1341    }
1342    foreach($l_revs as $rev) {
1343        $info = $pagelog->getRevisionInfo($rev);
1344        $l_revisions[$rev] = array(
1345            $rev,
1346            dformat($info['date']) . ' ' . editorinfo($info['user'], true) . ' ' . $info['sum'],
1347            $r_rev ? $rev >= $r_rev : false //disable?
1348        );
1349    }
1350    $r_revisions = array();
1351    if(!$r_rev) {
1352        $r_revisions[0] = array(0, "", false); //no right revision given, add dummy
1353    }
1354    foreach($r_revs as $rev) {
1355        $info = $pagelog->getRevisionInfo($rev);
1356        $r_revisions[$rev] = array(
1357            $rev,
1358            dformat($info['date']) . ' ' . editorinfo($info['user'], true) . ' ' . $info['sum'],
1359            $rev <= $l_rev //disable?
1360        );
1361    }
1362
1363    //determine previous/next revisions
1364    $l_index = array_search($l_rev, $l_revs);
1365    $l_prev = $l_revs[$l_index + 1];
1366    $l_next = $l_revs[$l_index - 1];
1367    if($r_rev) {
1368        $r_index = array_search($r_rev, $r_revs);
1369        $r_prev = $r_revs[$r_index + 1];
1370        $r_next = $r_revs[$r_index - 1];
1371    } else {
1372        //removed page
1373        if($l_next) {
1374            $r_prev = $r_revs[0];
1375        } else {
1376            $r_prev = null;
1377        }
1378        $r_next = null;
1379    }
1380
1381    /*
1382     * Left side:
1383     */
1384    $l_nav = '';
1385    //move back
1386    if($l_prev) {
1387        $l_nav .= html_diff_navigationlink($type, 'diffbothprevrev', $l_prev, $r_prev);
1388        $l_nav .= html_diff_navigationlink($type, 'diffprevrev', $l_prev, $r_rev);
1389    }
1390    //dropdown
1391    $form = new Doku_Form(array('action' => wl()));
1392    $form->addHidden('id', $ID);
1393    $form->addHidden('difftype', $type);
1394    $form->addHidden('rev2[1]', $r_rev);
1395    $form->addHidden('do', 'diff');
1396    $form->addElement(
1397         form_makeListboxField(
1398             'rev2[0]',
1399             $l_revisions,
1400             $l_rev,
1401             '', '', '',
1402             array('class' => 'quickselect')
1403         )
1404    );
1405    $form->addElement(form_makeButton('submit', 'diff', 'Go'));
1406    $l_nav .= $form->getForm();
1407    //move forward
1408    if($l_next && ($l_next < $r_rev || !$r_rev)) {
1409        $l_nav .= html_diff_navigationlink($type, 'diffnextrev', $l_next, $r_rev);
1410    }
1411
1412    /*
1413     * Right side:
1414     */
1415    $r_nav = '';
1416    //move back
1417    if($l_rev < $r_prev) {
1418        $r_nav .= html_diff_navigationlink($type, 'diffprevrev', $l_rev, $r_prev);
1419    }
1420    //dropdown
1421    $form = new Doku_Form(array('action' => wl()));
1422    $form->addHidden('id', $ID);
1423    $form->addHidden('rev2[0]', $l_rev);
1424    $form->addHidden('difftype', $type);
1425    $form->addHidden('do', 'diff');
1426    $form->addElement(
1427         form_makeListboxField(
1428             'rev2[1]',
1429             $r_revisions,
1430             $r_rev,
1431             '', '', '',
1432             array('class' => 'quickselect')
1433         )
1434    );
1435    $form->addElement(form_makeButton('submit', 'diff', 'Go'));
1436    $r_nav .= $form->getForm();
1437    //move forward
1438    if($r_next) {
1439        if($pagelog->isCurrentRevision($r_next)) {
1440            $r_nav .= html_diff_navigationlink($type, 'difflastrev', $l_rev); //last revision is diff with current page
1441        } else {
1442            $r_nav .= html_diff_navigationlink($type, 'diffnextrev', $l_rev, $r_next);
1443        }
1444        $r_nav .= html_diff_navigationlink($type, 'diffbothnextrev', $l_next, $r_next);
1445    }
1446    return array($l_nav, $r_nav);
1447}
1448
1449/**
1450 * Create html link to a diff defined by two revisions
1451 *
1452 * @param string $difftype display type
1453 * @param string $linktype
1454 * @param int $lrev oldest revision
1455 * @param int $rrev newest revision or null for diff with current revision
1456 * @return string html of link to a diff
1457 */
1458function html_diff_navigationlink($difftype, $linktype, $lrev, $rrev = null) {
1459    global $ID, $lang;
1460    if(!$rrev) {
1461        $urlparam = array(
1462            'do' => 'diff',
1463            'rev' => $lrev,
1464            'difftype' => $difftype,
1465        );
1466    } else {
1467        $urlparam = array(
1468            'do' => 'diff',
1469            'rev2[0]' => $lrev,
1470            'rev2[1]' => $rrev,
1471            'difftype' => $difftype,
1472        );
1473    }
1474    return  '<a class="' . $linktype . '" href="' . wl($ID, $urlparam) . '" title="' . $lang[$linktype] . '">' .
1475                '<span>' . $lang[$linktype] . '</span>' .
1476            '</a>' . "\n";
1477}
1478
1479/**
1480 * Insert soft breaks in diff html
1481 *
1482 * @param $diffhtml
1483 * @return string
1484 */
1485function html_insert_softbreaks($diffhtml) {
1486    // search the diff html string for both:
1487    // - html tags, so these can be ignored
1488    // - long strings of characters without breaking characters
1489    return preg_replace_callback('/<[^>]*>|[^<> ]{12,}/','html_softbreak_callback',$diffhtml);
1490}
1491
1492/**
1493 * callback which adds softbreaks
1494 *
1495 * @param array $match array with first the complete match
1496 * @return string the replacement
1497 */
1498function html_softbreak_callback($match){
1499    // if match is an html tag, return it intact
1500    if ($match[0]{0} == '<') return $match[0];
1501
1502    // its a long string without a breaking character,
1503    // make certain characters into breaking characters by inserting a
1504    // breaking character (zero length space, U+200B / #8203) in front them.
1505    $regex = <<< REGEX
1506(?(?=                                 # start a conditional expression with a positive look ahead ...
1507&\#?\\w{1,6};)                        # ... for html entities - we don't want to split them (ok to catch some invalid combinations)
1508&\#?\\w{1,6};                         # yes pattern - a quicker match for the html entity, since we know we have one
1509|
1510[?/,&\#;:]                            # no pattern - any other group of 'special' characters to insert a breaking character after
1511)+                                    # end conditional expression
1512REGEX;
1513
1514    return preg_replace('<'.$regex.'>xu','\0&#8203;',$match[0]);
1515}
1516
1517/**
1518 * show warning on conflict detection
1519 *
1520 * @author Andreas Gohr <andi@splitbrain.org>
1521 */
1522function html_conflict($text,$summary){
1523    global $ID;
1524    global $lang;
1525
1526    print p_locale_xhtml('conflict');
1527    $form = new Doku_Form(array('id' => 'dw__editform'));
1528    $form->addHidden('id', $ID);
1529    $form->addHidden('wikitext', $text);
1530    $form->addHidden('summary', $summary);
1531    $form->addElement(form_makeButton('submit', 'save', $lang['btn_save'], array('accesskey'=>'s')));
1532    $form->addElement(form_makeButton('submit', 'cancel', $lang['btn_cancel']));
1533    html_form('conflict', $form);
1534    print '<br /><br /><br /><br />'.NL;
1535}
1536
1537/**
1538 * Prints the global message array
1539 *
1540 * @author Andreas Gohr <andi@splitbrain.org>
1541 */
1542function html_msgarea(){
1543    global $MSG, $MSG_shown;
1544    /** @var array $MSG */
1545    // store if the global $MSG has already been shown and thus HTML output has been started
1546    $MSG_shown = true;
1547
1548    if(!isset($MSG)) return;
1549
1550    $shown = array();
1551    foreach($MSG as $msg){
1552        $hash = md5($msg['msg']);
1553        if(isset($shown[$hash])) continue; // skip double messages
1554        if(info_msg_allowed($msg)){
1555            print '<div class="'.$msg['lvl'].'">';
1556            print $msg['msg'];
1557            print '</div>';
1558        }
1559        $shown[$hash] = 1;
1560    }
1561
1562    unset($GLOBALS['MSG']);
1563}
1564
1565/**
1566 * Prints the registration form
1567 *
1568 * @author Andreas Gohr <andi@splitbrain.org>
1569 */
1570function html_register(){
1571    global $lang;
1572    global $conf;
1573    global $INPUT;
1574
1575    $base_attrs = array('size'=>50,'required'=>'required');
1576    $email_attrs = $base_attrs + array('type'=>'email','class'=>'edit');
1577
1578    print p_locale_xhtml('register');
1579    print '<div class="centeralign">'.NL;
1580    $form = new Doku_Form(array('id' => 'dw__register'));
1581    $form->startFieldset($lang['btn_register']);
1582    $form->addHidden('do', 'register');
1583    $form->addHidden('save', '1');
1584    $form->addElement(form_makeTextField('login', $INPUT->post->str('login'), $lang['user'], '', 'block', $base_attrs));
1585    if (!$conf['autopasswd']) {
1586        $form->addElement(form_makePasswordField('pass', $lang['pass'], '', 'block', $base_attrs));
1587        $form->addElement(form_makePasswordField('passchk', $lang['passchk'], '', 'block', $base_attrs));
1588    }
1589    $form->addElement(form_makeTextField('fullname', $INPUT->post->str('fullname'), $lang['fullname'], '', 'block', $base_attrs));
1590    $form->addElement(form_makeField('email','email', $INPUT->post->str('email'), $lang['email'], '', 'block', $email_attrs));
1591    $form->addElement(form_makeButton('submit', '', $lang['btn_register']));
1592    $form->endFieldset();
1593    html_form('register', $form);
1594
1595    print '</div>'.NL;
1596}
1597
1598/**
1599 * Print the update profile form
1600 *
1601 * @author Christopher Smith <chris@jalakai.co.uk>
1602 * @author Andreas Gohr <andi@splitbrain.org>
1603 */
1604function html_updateprofile(){
1605    global $lang;
1606    global $conf;
1607    global $INPUT;
1608    global $INFO;
1609    /** @var DokuWiki_Auth_Plugin $auth */
1610    global $auth;
1611
1612    print p_locale_xhtml('updateprofile');
1613    print '<div class="centeralign">'.NL;
1614
1615    $fullname = $INPUT->post->str('fullname', $INFO['userinfo']['name'], true);
1616    $email = $INPUT->post->str('email', $INFO['userinfo']['mail'], true);
1617    $form = new Doku_Form(array('id' => 'dw__register'));
1618    $form->startFieldset($lang['profile']);
1619    $form->addHidden('do', 'profile');
1620    $form->addHidden('save', '1');
1621    $form->addElement(form_makeTextField('login', $_SERVER['REMOTE_USER'], $lang['user'], '', 'block', array('size'=>'50', 'disabled'=>'disabled')));
1622    $attr = array('size'=>'50');
1623    if (!$auth->canDo('modName')) $attr['disabled'] = 'disabled';
1624    $form->addElement(form_makeTextField('fullname', $fullname, $lang['fullname'], '', 'block', $attr));
1625    $attr = array('size'=>'50', 'class'=>'edit');
1626    if (!$auth->canDo('modMail')) $attr['disabled'] = 'disabled';
1627    $form->addElement(form_makeField('email','email', $email, $lang['email'], '', 'block', $attr));
1628    $form->addElement(form_makeTag('br'));
1629    if ($auth->canDo('modPass')) {
1630        $form->addElement(form_makePasswordField('newpass', $lang['newpass'], '', 'block', array('size'=>'50')));
1631        $form->addElement(form_makePasswordField('passchk', $lang['passchk'], '', 'block', array('size'=>'50')));
1632    }
1633    if ($conf['profileconfirm']) {
1634        $form->addElement(form_makeTag('br'));
1635        $form->addElement(form_makePasswordField('oldpass', $lang['oldpass'], '', 'block', array('size'=>'50', 'required' => 'required')));
1636    }
1637    $form->addElement(form_makeButton('submit', '', $lang['btn_save']));
1638    $form->addElement(form_makeButton('reset', '', $lang['btn_reset']));
1639
1640    $form->endFieldset();
1641    html_form('updateprofile', $form);
1642
1643    if ($auth->canDo('delUser') && actionOK('profile_delete')) {
1644        $form_profiledelete = new Doku_Form(array('id' => 'dw__profiledelete'));
1645        $form_profiledelete->startFieldset($lang['profdeleteuser']);
1646        $form_profiledelete->addHidden('do', 'profile_delete');
1647        $form_profiledelete->addHidden('delete', '1');
1648        $form_profiledelete->addElement(form_makeCheckboxField('confirm_delete', '1', $lang['profconfdelete'],'dw__confirmdelete','', array('required' => 'required')));
1649        if ($conf['profileconfirm']) {
1650            $form_profiledelete->addElement(form_makeTag('br'));
1651            $form_profiledelete->addElement(form_makePasswordField('oldpass', $lang['oldpass'], '', 'block', array('size'=>'50', 'required' => 'required')));
1652        }
1653        $form_profiledelete->addElement(form_makeButton('submit', '', $lang['btn_deleteuser']));
1654        $form_profiledelete->endFieldset();
1655
1656        html_form('profiledelete', $form_profiledelete);
1657    }
1658
1659    print '</div>'.NL;
1660}
1661
1662/**
1663 * Preprocess edit form data
1664 *
1665 * @author   Andreas Gohr <andi@splitbrain.org>
1666 *
1667 * @triggers HTML_EDITFORM_OUTPUT
1668 */
1669function html_edit(){
1670    global $INPUT;
1671    global $ID;
1672    global $REV;
1673    global $DATE;
1674    global $PRE;
1675    global $SUF;
1676    global $INFO;
1677    global $SUM;
1678    global $lang;
1679    global $conf;
1680    global $TEXT;
1681    global $RANGE;
1682
1683    if ($INPUT->has('changecheck')) {
1684        $check = $INPUT->str('changecheck');
1685    } elseif(!$INFO['exists']){
1686        // $TEXT has been loaded from page template
1687        $check = md5('');
1688    } else {
1689        $check = md5($TEXT);
1690    }
1691    $mod = md5($TEXT) !== $check;
1692
1693    $wr = $INFO['writable'] && !$INFO['locked'];
1694    $include = 'edit';
1695    if($wr){
1696        if ($REV) $include = 'editrev';
1697    }else{
1698        // check pseudo action 'source'
1699        if(!actionOK('source')){
1700            msg('Command disabled: source',-1);
1701            return;
1702        }
1703        $include = 'read';
1704    }
1705
1706    global $license;
1707
1708    $form = new Doku_Form(array('id' => 'dw__editform'));
1709    $form->addHidden('id', $ID);
1710    $form->addHidden('rev', $REV);
1711    $form->addHidden('date', $DATE);
1712    $form->addHidden('prefix', $PRE . '.');
1713    $form->addHidden('suffix', $SUF);
1714    $form->addHidden('changecheck', $check);
1715
1716    $data = array('form' => $form,
1717                  'wr'   => $wr,
1718                  'media_manager' => true,
1719                  'target' => ($INPUT->has('target') && $wr) ? $INPUT->str('target') : 'section',
1720                  'intro_locale' => $include);
1721
1722    if ($data['target'] !== 'section') {
1723        // Only emit event if page is writable, section edit data is valid and
1724        // edit target is not section.
1725        trigger_event('HTML_EDIT_FORMSELECTION', $data, 'html_edit_form', true);
1726    } else {
1727        html_edit_form($data);
1728    }
1729    if (isset($data['intro_locale'])) {
1730        echo p_locale_xhtml($data['intro_locale']);
1731    }
1732
1733    $form->addHidden('target', $data['target']);
1734    $form->addElement(form_makeOpenTag('div', array('id'=>'wiki__editbar', 'class'=>'editBar')));
1735    $form->addElement(form_makeOpenTag('div', array('id'=>'size__ctl')));
1736    $form->addElement(form_makeCloseTag('div'));
1737    if ($wr) {
1738        $form->addElement(form_makeOpenTag('div', array('class'=>'editButtons')));
1739        $form->addElement(form_makeButton('submit', 'save', $lang['btn_save'], array('id'=>'edbtn__save', 'accesskey'=>'s', 'tabindex'=>'4')));
1740        $form->addElement(form_makeButton('submit', 'preview', $lang['btn_preview'], array('id'=>'edbtn__preview', 'accesskey'=>'p', 'tabindex'=>'5')));
1741        $form->addElement(form_makeButton('submit', 'draftdel', $lang['btn_cancel'], array('tabindex'=>'6')));
1742        $form->addElement(form_makeCloseTag('div'));
1743        $form->addElement(form_makeOpenTag('div', array('class'=>'summary')));
1744        $form->addElement(form_makeTextField('summary', $SUM, $lang['summary'], 'edit__summary', 'nowrap', array('size'=>'50', 'tabindex'=>'2')));
1745        $elem = html_minoredit();
1746        if ($elem) $form->addElement($elem);
1747        $form->addElement(form_makeCloseTag('div'));
1748    }
1749    $form->addElement(form_makeCloseTag('div'));
1750    if($wr && $conf['license']){
1751        $form->addElement(form_makeOpenTag('div', array('class'=>'license')));
1752        $out  = $lang['licenseok'];
1753        $out .= ' <a href="'.$license[$conf['license']]['url'].'" rel="license" class="urlextern"';
1754        if($conf['target']['extern']) $out .= ' target="'.$conf['target']['extern'].'"';
1755        $out .= '>'.$license[$conf['license']]['name'].'</a>';
1756        $form->addElement($out);
1757        $form->addElement(form_makeCloseTag('div'));
1758    }
1759
1760    if ($wr) {
1761        // sets changed to true when previewed
1762        echo '<script type="text/javascript">/*<![CDATA[*/'. NL;
1763        echo 'textChanged = ' . ($mod ? 'true' : 'false');
1764        echo '/*!]]>*/</script>' . NL;
1765    } ?>
1766    <div class="editBox" role="application">
1767
1768    <div class="toolbar group">
1769        <div id="draft__status"><?php if(!empty($INFO['draft'])) echo $lang['draftdate'].' '.dformat();?></div>
1770        <div id="tool__bar"><?php if ($wr && $data['media_manager']){?><a href="<?php echo DOKU_BASE?>lib/exe/mediamanager.php?ns=<?php echo $INFO['namespace']?>"
1771            target="_blank"><?php echo $lang['mediaselect'] ?></a><?php }?></div>
1772    </div>
1773    <?php
1774
1775    html_form('edit', $form);
1776    print '</div>'.NL;
1777}
1778
1779/**
1780 * Display the default edit form
1781 *
1782 * Is the default action for HTML_EDIT_FORMSELECTION.
1783 * @param mixed[] $param
1784 */
1785function html_edit_form($param) {
1786    global $TEXT;
1787
1788    if ($param['target'] !== 'section') {
1789        msg('No editor for edit target ' . hsc($param['target']) . ' found.', -1);
1790    }
1791
1792    $attr = array('tabindex'=>'1');
1793    if (!$param['wr']) $attr['readonly'] = 'readonly';
1794
1795    $param['form']->addElement(form_makeWikiText($TEXT, $attr));
1796}
1797
1798/**
1799 * Adds a checkbox for minor edits for logged in users
1800 *
1801 * @author Andreas Gohr <andi@splitbrain.org>
1802 */
1803function html_minoredit(){
1804    global $conf;
1805    global $lang;
1806    global $INPUT;
1807    // minor edits are for logged in users only
1808    if(!$conf['useacl'] || !$_SERVER['REMOTE_USER']){
1809        return false;
1810    }
1811
1812    $p = array();
1813    $p['tabindex'] = 3;
1814    if($INPUT->bool('minor')) $p['checked']='checked';
1815    return form_makeCheckboxField('minor', '1', $lang['minoredit'], 'minoredit', 'nowrap', $p);
1816}
1817
1818/**
1819 * prints some debug info
1820 *
1821 * @author Andreas Gohr <andi@splitbrain.org>
1822 */
1823function html_debug(){
1824    global $conf;
1825    global $lang;
1826    /** @var DokuWiki_Auth_Plugin $auth */
1827    global $auth;
1828    global $INFO;
1829
1830    //remove sensitive data
1831    $cnf = $conf;
1832    debug_guard($cnf);
1833    $nfo = $INFO;
1834    debug_guard($nfo);
1835    $ses = $_SESSION;
1836    debug_guard($ses);
1837
1838    print '<html><body>';
1839
1840    print '<p>When reporting bugs please send all the following ';
1841    print 'output as a mail to andi@splitbrain.org ';
1842    print 'The best way to do this is to save this page in your browser</p>';
1843
1844    print '<b>$INFO:</b><pre>';
1845    print_r($nfo);
1846    print '</pre>';
1847
1848    print '<b>$_SERVER:</b><pre>';
1849    print_r($_SERVER);
1850    print '</pre>';
1851
1852    print '<b>$conf:</b><pre>';
1853    print_r($cnf);
1854    print '</pre>';
1855
1856    print '<b>DOKU_BASE:</b><pre>';
1857    print DOKU_BASE;
1858    print '</pre>';
1859
1860    print '<b>abs DOKU_BASE:</b><pre>';
1861    print DOKU_URL;
1862    print '</pre>';
1863
1864    print '<b>rel DOKU_BASE:</b><pre>';
1865    print dirname($_SERVER['PHP_SELF']).'/';
1866    print '</pre>';
1867
1868    print '<b>PHP Version:</b><pre>';
1869    print phpversion();
1870    print '</pre>';
1871
1872    print '<b>locale:</b><pre>';
1873    print setlocale(LC_ALL,0);
1874    print '</pre>';
1875
1876    print '<b>encoding:</b><pre>';
1877    print $lang['encoding'];
1878    print '</pre>';
1879
1880    if($auth){
1881        print '<b>Auth backend capabilities:</b><pre>';
1882        foreach ($auth->getCapabilities() as $cando){
1883            print '   '.str_pad($cando,16) . ' => ' . (int)$auth->canDo($cando) . NL;
1884        }
1885        print '</pre>';
1886    }
1887
1888    print '<b>$_SESSION:</b><pre>';
1889    print_r($ses);
1890    print '</pre>';
1891
1892    print '<b>Environment:</b><pre>';
1893    print_r($_ENV);
1894    print '</pre>';
1895
1896    print '<b>PHP settings:</b><pre>';
1897    $inis = ini_get_all();
1898    print_r($inis);
1899    print '</pre>';
1900
1901    if (function_exists('apache_get_version')) {
1902        $apache['version'] = apache_get_version();
1903
1904        if (function_exists('apache_get_modules')) {
1905            $apache['modules'] = apache_get_modules();
1906        }
1907        print '<b>Apache</b><pre>';
1908        print_r($apache);
1909        print '</pre>';
1910    }
1911
1912    print '</body></html>';
1913}
1914
1915/**
1916 * List available Administration Tasks
1917 *
1918 * @author Andreas Gohr <andi@splitbrain.org>
1919 * @author Håkan Sandell <hakan.sandell@home.se>
1920 */
1921function html_admin(){
1922    global $ID;
1923    global $INFO;
1924    global $conf;
1925    /** @var DokuWiki_Auth_Plugin $auth */
1926    global $auth;
1927
1928    // build menu of admin functions from the plugins that handle them
1929    $pluginlist = plugin_list('admin');
1930    $menu = array();
1931    foreach ($pluginlist as $p) {
1932        /** @var DokuWiki_Admin_Plugin $obj */
1933        if(($obj = plugin_load('admin',$p)) === null) continue;
1934
1935        // check permissions
1936        if($obj->forAdminOnly() && !$INFO['isadmin']) continue;
1937
1938        $menu[$p] = array('plugin' => $p,
1939                'prompt' => $obj->getMenuText($conf['lang']),
1940                'sort' => $obj->getMenuSort()
1941                );
1942    }
1943
1944    // data security check
1945    // simple check if the 'savedir' is relative and accessible when appended to DOKU_URL
1946    // it verifies either:
1947    //   'savedir' has been moved elsewhere, or
1948    //   has protection to prevent the webserver serving files from it
1949    if (substr($conf['savedir'],0,2) == './'){
1950        echo '<a style="border:none; float:right;"
1951                href="http://www.dokuwiki.org/security#web_access_security">
1952                <img src="'.DOKU_URL.$conf['savedir'].'/security.png" alt="Your data directory seems to be protected properly."
1953                onerror="this.parentNode.style.display=\'none\'" /></a>';
1954    }
1955
1956    print p_locale_xhtml('admin');
1957
1958    // Admin Tasks
1959    if($INFO['isadmin']){
1960        ptln('<ul class="admin_tasks">');
1961
1962        if($menu['usermanager'] && $auth && $auth->canDo('getUsers')){
1963            ptln('  <li class="admin_usermanager"><div class="li">'.
1964                    '<a href="'.wl($ID, array('do' => 'admin','page' => 'usermanager')).'">'.
1965                    $menu['usermanager']['prompt'].'</a></div></li>');
1966        }
1967        unset($menu['usermanager']);
1968
1969        if($menu['acl']){
1970            ptln('  <li class="admin_acl"><div class="li">'.
1971                    '<a href="'.wl($ID, array('do' => 'admin','page' => 'acl')).'">'.
1972                    $menu['acl']['prompt'].'</a></div></li>');
1973        }
1974        unset($menu['acl']);
1975
1976        if($menu['extension']){
1977            ptln('  <li class="admin_plugin"><div class="li">'.
1978                    '<a href="'.wl($ID, array('do' => 'admin','page' => 'extension')).'">'.
1979                    $menu['extension']['prompt'].'</a></div></li>');
1980        }
1981        unset($menu['extension']);
1982
1983        if($menu['config']){
1984            ptln('  <li class="admin_config"><div class="li">'.
1985                    '<a href="'.wl($ID, array('do' => 'admin','page' => 'config')).'">'.
1986                    $menu['config']['prompt'].'</a></div></li>');
1987        }
1988        unset($menu['config']);
1989    }
1990    ptln('</ul>');
1991
1992    // Manager Tasks
1993    ptln('<ul class="admin_tasks">');
1994
1995    if($menu['revert']){
1996        ptln('  <li class="admin_revert"><div class="li">'.
1997                '<a href="'.wl($ID, array('do' => 'admin','page' => 'revert')).'">'.
1998                $menu['revert']['prompt'].'</a></div></li>');
1999    }
2000    unset($menu['revert']);
2001
2002    if($menu['popularity']){
2003        ptln('  <li class="admin_popularity"><div class="li">'.
2004                '<a href="'.wl($ID, array('do' => 'admin','page' => 'popularity')).'">'.
2005                $menu['popularity']['prompt'].'</a></div></li>');
2006    }
2007    unset($menu['popularity']);
2008
2009    // print DokuWiki version:
2010    ptln('</ul>');
2011    echo '<div id="admin__version">';
2012    echo getVersion();
2013    echo '</div>';
2014
2015    // print the rest as sorted list
2016    if(count($menu)){
2017        usort($menu, 'p_sort_modes');
2018        // output the menu
2019        ptln('<div class="clearer"></div>');
2020        print p_locale_xhtml('adminplugins');
2021        ptln('<ul>');
2022        foreach ($menu as $item) {
2023            if (!$item['prompt']) continue;
2024            ptln('  <li><div class="li"><a href="'.wl($ID, 'do=admin&amp;page='.$item['plugin']).'">'.$item['prompt'].'</a></div></li>');
2025        }
2026        ptln('</ul>');
2027    }
2028}
2029
2030/**
2031 * Form to request a new password for an existing account
2032 *
2033 * @author Benoit Chesneau <benoit@bchesneau.info>
2034 * @author Andreas Gohr <gohr@cosmocode.de>
2035 */
2036function html_resendpwd() {
2037    global $lang;
2038    global $conf;
2039    global $INPUT;
2040
2041    $token = preg_replace('/[^a-f0-9]+/','',$INPUT->str('pwauth'));
2042
2043    if(!$conf['autopasswd'] && $token){
2044        print p_locale_xhtml('resetpwd');
2045        print '<div class="centeralign">'.NL;
2046        $form = new Doku_Form(array('id' => 'dw__resendpwd'));
2047        $form->startFieldset($lang['btn_resendpwd']);
2048        $form->addHidden('token', $token);
2049        $form->addHidden('do', 'resendpwd');
2050
2051        $form->addElement(form_makePasswordField('pass', $lang['pass'], '', 'block', array('size'=>'50')));
2052        $form->addElement(form_makePasswordField('passchk', $lang['passchk'], '', 'block', array('size'=>'50')));
2053
2054        $form->addElement(form_makeButton('submit', '', $lang['btn_resendpwd']));
2055        $form->endFieldset();
2056        html_form('resendpwd', $form);
2057        print '</div>'.NL;
2058    }else{
2059        print p_locale_xhtml('resendpwd');
2060        print '<div class="centeralign">'.NL;
2061        $form = new Doku_Form(array('id' => 'dw__resendpwd'));
2062        $form->startFieldset($lang['resendpwd']);
2063        $form->addHidden('do', 'resendpwd');
2064        $form->addHidden('save', '1');
2065        $form->addElement(form_makeTag('br'));
2066        $form->addElement(form_makeTextField('login', $INPUT->post->str('login'), $lang['user'], '', 'block'));
2067        $form->addElement(form_makeTag('br'));
2068        $form->addElement(form_makeTag('br'));
2069        $form->addElement(form_makeButton('submit', '', $lang['btn_resendpwd']));
2070        $form->endFieldset();
2071        html_form('resendpwd', $form);
2072        print '</div>'.NL;
2073    }
2074}
2075
2076/**
2077 * Return the TOC rendered to XHTML
2078 *
2079 * @author Andreas Gohr <andi@splitbrain.org>
2080 */
2081function html_TOC($toc){
2082    if(!count($toc)) return '';
2083    global $lang;
2084    $out  = '<!-- TOC START -->'.DOKU_LF;
2085    $out .= '<div id="dw__toc">'.DOKU_LF;
2086    $out .= '<h3 class="toggle">';
2087    $out .= $lang['toc'];
2088    $out .= '</h3>'.DOKU_LF;
2089    $out .= '<div>'.DOKU_LF;
2090    $out .= html_buildlist($toc,'toc','html_list_toc','html_li_default',true);
2091    $out .= '</div>'.DOKU_LF.'</div>'.DOKU_LF;
2092    $out .= '<!-- TOC END -->'.DOKU_LF;
2093    return $out;
2094}
2095
2096/**
2097 * Callback for html_buildlist
2098 */
2099function html_list_toc($item){
2100    if(isset($item['hid'])){
2101        $link = '#'.$item['hid'];
2102    }else{
2103        $link = $item['link'];
2104    }
2105
2106    return '<a href="'.$link.'">'.hsc($item['title']).'</a>';
2107}
2108
2109/**
2110 * Helper function to build TOC items
2111 *
2112 * Returns an array ready to be added to a TOC array
2113 *
2114 * @param string $link  - where to link (if $hash set to '#' it's a local anchor)
2115 * @param string $text  - what to display in the TOC
2116 * @param int    $level - nesting level
2117 * @param string $hash  - is prepended to the given $link, set blank if you want full links
2118 * @return array the toc item
2119 */
2120function html_mktocitem($link, $text, $level, $hash='#'){
2121    return  array( 'link'  => $hash.$link,
2122            'title' => $text,
2123            'type'  => 'ul',
2124            'level' => $level);
2125}
2126
2127/**
2128 * Output a Doku_Form object.
2129 * Triggers an event with the form name: HTML_{$name}FORM_OUTPUT
2130 *
2131 * @author Tom N Harris <tnharris@whoopdedo.org>
2132 * @param string     $name The name of the form
2133 * @param Doku_Form  $form The form
2134 */
2135function html_form($name, &$form) {
2136    // Safety check in case the caller forgets.
2137    $form->endFieldset();
2138    trigger_event('HTML_'.strtoupper($name).'FORM_OUTPUT', $form, 'html_form_output', false);
2139}
2140
2141/**
2142 * Form print function.
2143 * Just calls printForm() on the data object.
2144 * @param Doku_Form $data The form
2145 */
2146function html_form_output($data) {
2147    $data->printForm();
2148}
2149
2150/**
2151 * Embed a flash object in HTML
2152 *
2153 * This will create the needed HTML to embed a flash movie in a cross browser
2154 * compatble way using valid XHTML
2155 *
2156 * The parameters $params, $flashvars and $atts need to be associative arrays.
2157 * No escaping needs to be done for them. The alternative content *has* to be
2158 * escaped because it is used as is. If no alternative content is given
2159 * $lang['noflash'] is used.
2160 *
2161 * @author Andreas Gohr <andi@splitbrain.org>
2162 * @link   http://latrine.dgx.cz/how-to-correctly-insert-a-flash-into-xhtml
2163 *
2164 * @param string $swf      - the SWF movie to embed
2165 * @param int $width       - width of the flash movie in pixels
2166 * @param int $height      - height of the flash movie in pixels
2167 * @param array $params    - additional parameters (<param>)
2168 * @param array $flashvars - parameters to be passed in the flashvar parameter
2169 * @param array $atts      - additional attributes for the <object> tag
2170 * @param string $alt      - alternative content (is NOT automatically escaped!)
2171 * @return string         - the XHTML markup
2172 */
2173function html_flashobject($swf,$width,$height,$params=null,$flashvars=null,$atts=null,$alt=''){
2174    global $lang;
2175
2176    $out = '';
2177
2178    // prepare the object attributes
2179    if(is_null($atts)) $atts = array();
2180    $atts['width']  = (int) $width;
2181    $atts['height'] = (int) $height;
2182    if(!$atts['width'])  $atts['width']  = 425;
2183    if(!$atts['height']) $atts['height'] = 350;
2184
2185    // add object attributes for standard compliant browsers
2186    $std = $atts;
2187    $std['type'] = 'application/x-shockwave-flash';
2188    $std['data'] = $swf;
2189
2190    // add object attributes for IE
2191    $ie  = $atts;
2192    $ie['classid'] = 'clsid:D27CDB6E-AE6D-11cf-96B8-444553540000';
2193
2194    // open object (with conditional comments)
2195    $out .= '<!--[if !IE]> -->'.NL;
2196    $out .= '<object '.buildAttributes($std).'>'.NL;
2197    $out .= '<!-- <![endif]-->'.NL;
2198    $out .= '<!--[if IE]>'.NL;
2199    $out .= '<object '.buildAttributes($ie).'>'.NL;
2200    $out .= '    <param name="movie" value="'.hsc($swf).'" />'.NL;
2201    $out .= '<!--><!-- -->'.NL;
2202
2203    // print params
2204    if(is_array($params)) foreach($params as $key => $val){
2205        $out .= '  <param name="'.hsc($key).'" value="'.hsc($val).'" />'.NL;
2206    }
2207
2208    // add flashvars
2209    if(is_array($flashvars)){
2210        $out .= '  <param name="FlashVars" value="'.buildURLparams($flashvars).'" />'.NL;
2211    }
2212
2213    // alternative content
2214    if($alt){
2215        $out .= $alt.NL;
2216    }else{
2217        $out .= $lang['noflash'].NL;
2218    }
2219
2220    // finish
2221    $out .= '</object>'.NL;
2222    $out .= '<!-- <![endif]-->'.NL;
2223
2224    return $out;
2225}
2226
2227/**
2228 * Prints HTML code for the given tab structure
2229 *
2230 * @param array  $tabs        tab structure
2231 * @param string $current_tab the current tab id
2232 */
2233function html_tabs($tabs, $current_tab = null) {
2234    echo '<ul class="tabs">'.NL;
2235
2236    foreach($tabs as $id => $tab) {
2237        html_tab($tab['href'], $tab['caption'], $id === $current_tab);
2238    }
2239
2240    echo '</ul>'.NL;
2241}
2242/**
2243 * Prints a single tab
2244 *
2245 * @author Kate Arzamastseva <pshns@ukr.net>
2246 * @author Adrian Lang <mail@adrianlang.de>
2247 *
2248 * @param string $href - tab href
2249 * @param string $caption - tab caption
2250 * @param boolean $selected - is tab selected
2251 */
2252
2253function html_tab($href, $caption, $selected=false) {
2254    $tab = '<li>';
2255    if ($selected) {
2256        $tab .= '<strong>';
2257    } else {
2258        $tab .= '<a href="' . hsc($href) . '">';
2259    }
2260    $tab .= hsc($caption)
2261         .  '</' . ($selected ? 'strong' : 'a') . '>'
2262         .  '</li>'.NL;
2263    echo $tab;
2264}
2265
2266