xref: /dokuwiki/inc/html.php (revision d785a180a0a5f99f363c10269a59f0ac012c3ee6) 
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', $form);
65    print '</div>'.NL;
66}
67
68
69/**
70 * Denied page content
71 *
72 * @return string html
73 */
74function html_denied() {
75    print p_locale_xhtml('denied');
76
77    if(empty($_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 *
87 * @param string $text
88 * @param bool   $show show section edit buttons?
89 * @return string
90 */
91function html_secedit($text,$show=true){
92    global $INFO;
93
94    $regexp = '#<!-- EDIT(\d+) ([A-Z_]+) (?:"([^"]*)" )?\[(\d+-\d*)\] -->#';
95
96    if(!$INFO['writable'] || !$show || $INFO['rev']){
97        return preg_replace($regexp,'',$text);
98    }
99
100    return preg_replace_callback($regexp,
101                'html_secedit_button', $text);
102}
103
104/**
105 * prepares section edit button data for event triggering
106 * used as a callback in html_secedit
107 *
108 * @author Andreas Gohr <andi@splitbrain.org>
109 *
110 * @param array $matches matches with regexp
111 * @return string
112 * @triggers HTML_SECEDIT_BUTTON
113 */
114function html_secedit_button($matches){
115    $data = array('secid'  => $matches[1],
116                  'target' => strtolower($matches[2]),
117                  'range'  => $matches[count($matches) - 1]);
118    if (count($matches) === 5) {
119        $data['name'] = $matches[3];
120    }
121
122    return trigger_event('HTML_SECEDIT_BUTTON', $data,
123                         'html_secedit_get_button');
124}
125
126/**
127 * prints a section editing button
128 * used as default action form HTML_SECEDIT_BUTTON
129 *
130 * @author Adrian Lang <lang@cosmocode.de>
131 *
132 * @param array $data name, section id and target
133 * @return string html
134 */
135function html_secedit_get_button($data) {
136    global $ID;
137    global $INFO;
138
139    if (!isset($data['name']) || $data['name'] === '') return '';
140
141    $name = $data['name'];
142    unset($data['name']);
143
144    $secid = $data['secid'];
145    unset($data['secid']);
146
147    return "<div class='secedit editbutton_" . $data['target'] .
148                       " editbutton_" . $secid . "'>" .
149           html_btn('secedit', $ID, '',
150                    array_merge(array('do'  => 'edit',
151                                      'rev' => $INFO['lastmod'],
152                                      'summary' => '['.$name.'] '), $data),
153                    'post', $name) . '</div>';
154}
155
156/**
157 * Just the back to top button (in its own form)
158 *
159 * @author Andreas Gohr <andi@splitbrain.org>
160 *
161 * @return string html
162 */
163function html_topbtn(){
164    global $lang;
165
166    $ret  = '<a class="nolink" href="#dokuwiki__top"><input type="button" class="button" value="'.$lang['btn_top'].'" onclick="window.scrollTo(0, 0)" title="'.$lang['btn_top'].'" /></a>';
167
168    return $ret;
169}
170
171/**
172 * Displays a button (using its own form)
173 * If tooltip exists, the access key tooltip is replaced.
174 *
175 * @author Andreas Gohr <andi@splitbrain.org>
176 *
177 * @param string         $name
178 * @param string         $id
179 * @param string         $akey   access key
180 * @param string[] $params key-value pairs added as hidden inputs
181 * @param string         $method
182 * @param string         $tooltip
183 * @param bool|string    $label  label text, false: lookup btn_$name in localization
184 * @return string
185 */
186function html_btn($name, $id, $akey, $params, $method='get', $tooltip='', $label=false){
187    global $conf;
188    global $lang;
189
190    if (!$label)
191        $label = $lang['btn_'.$name];
192
193    $ret = '';
194
195    //filter id (without urlencoding)
196    $id = idfilter($id,false);
197
198    //make nice URLs even for buttons
199    if($conf['userewrite'] == 2){
200        $script = DOKU_BASE.DOKU_SCRIPT.'/'.$id;
201    }elseif($conf['userewrite']){
202        $script = DOKU_BASE.$id;
203    }else{
204        $script = DOKU_BASE.DOKU_SCRIPT;
205        $params['id'] = $id;
206    }
207
208    $ret .= '<form class="button btn_'.$name.'" method="'.$method.'" action="'.$script.'"><div class="no">';
209
210    if(is_array($params)){
211        reset($params);
212        while (list($key, $val) = each($params)) {
213            $ret .= '<input type="hidden" name="'.$key.'" ';
214            $ret .= 'value="'.htmlspecialchars($val).'" />';
215        }
216    }
217
218    if ($tooltip!='') {
219        $tip = htmlspecialchars($tooltip);
220    }else{
221        $tip = htmlspecialchars($label);
222    }
223
224    $ret .= '<button type="submit" ';
225    if($akey){
226        $tip .= ' ['.strtoupper($akey).']';
227        $ret .= 'accesskey="'.$akey.'" ';
228    }
229    $ret .= 'title="'.$tip.'">';
230    $ret .= hsc($label);
231    $ret .= '</button>';
232    $ret .= '</div></form>';
233
234    return $ret;
235}
236/**
237 * show a revision warning
238 *
239 * @author Szymon Olewniczak <dokuwiki@imz.re>
240 */
241function html_showrev() {
242    print p_locale_xhtml('showrev');
243}
244
245/**
246 * Show a wiki page
247 *
248 * @author Andreas Gohr <andi@splitbrain.org>
249 *
250 * @param null|string $txt wiki text or null for showing $ID
251 */
252function html_show($txt=null){
253    global $ID;
254    global $REV;
255    global $HIGH;
256    global $INFO;
257    global $DATE_AT;
258    //disable section editing for old revisions or in preview
259    if($txt || $REV){
260        $secedit = false;
261    }else{
262        $secedit = true;
263    }
264
265    if (!is_null($txt)){
266        //PreviewHeader
267        echo '<br id="scroll__here" />';
268        echo p_locale_xhtml('preview');
269        echo '<div class="preview"><div class="pad">';
270        $html = html_secedit(p_render('xhtml',p_get_instructions($txt),$info),$secedit);
271        if($INFO['prependTOC']) $html = tpl_toc(true).$html;
272        echo $html;
273        echo '<div class="clearer"></div>';
274        echo '</div></div>';
275
276    }else{
277        if ($REV||$DATE_AT){
278            $data = array('rev' => &$REV, 'date_at' => &$DATE_AT);
279            trigger_event('HTML_SHOWREV_OUTPUT', $data, 'html_showrev');
280        }
281        $html = p_wiki_xhtml($ID,$REV,true,$DATE_AT);
282        $html = html_secedit($html,$secedit);
283        if($INFO['prependTOC']) $html = tpl_toc(true).$html;
284        $html = html_hilight($html,$HIGH);
285        echo $html;
286    }
287}
288
289/**
290 * ask the user about how to handle an exisiting draft
291 *
292 * @author Andreas Gohr <andi@splitbrain.org>
293 */
294function html_draft(){
295    global $INFO;
296    global $ID;
297    global $lang;
298    $draft = unserialize(io_readFile($INFO['draft'],false));
299    $text  = cleanText(con($draft['prefix'],$draft['text'],$draft['suffix'],true));
300
301    print p_locale_xhtml('draft');
302    $form = new Doku_Form(array('id' => 'dw__editform'));
303    $form->addHidden('id', $ID);
304    $form->addHidden('date', $draft['date']);
305    $form->addElement(form_makeWikiText($text, array('readonly'=>'readonly')));
306    $form->addElement(form_makeOpenTag('div', array('id'=>'draft__status')));
307    $form->addElement($lang['draftdate'].' '. dformat(filemtime($INFO['draft'])));
308    $form->addElement(form_makeCloseTag('div'));
309    $form->addElement(form_makeButton('submit', 'recover', $lang['btn_recover'], array('tabindex'=>'1')));
310    $form->addElement(form_makeButton('submit', 'draftdel', $lang['btn_draftdel'], array('tabindex'=>'2')));
311    $form->addElement(form_makeButton('submit', 'show', $lang['btn_cancel'], array('tabindex'=>'3')));
312    html_form('draft', $form);
313}
314
315/**
316 * Highlights searchqueries in HTML code
317 *
318 * @author Andreas Gohr <andi@splitbrain.org>
319 * @author Harry Fuecks <hfuecks@gmail.com>
320 *
321 * @param string $html
322 * @param array|string $phrases
323 * @return string html
324 */
325function html_hilight($html,$phrases){
326    $phrases = (array) $phrases;
327    $phrases = array_map('preg_quote_cb', $phrases);
328    $phrases = array_map('ft_snippet_re_preprocess', $phrases);
329    $phrases = array_filter($phrases);
330    $regex = join('|',$phrases);
331
332    if ($regex === '') return $html;
333    if (!utf8_check($regex)) return $html;
334    $html = @preg_replace_callback("/((<[^>]*)|$regex)/ui",'html_hilight_callback',$html);
335    return $html;
336}
337
338/**
339 * Callback used by html_hilight()
340 *
341 * @author Harry Fuecks <hfuecks@gmail.com>
342 *
343 * @param array $m matches
344 * @return string html
345 */
346function html_hilight_callback($m) {
347    $hlight = unslash($m[0]);
348    if ( !isset($m[2])) {
349        $hlight = '<span class="search_hit">'.$hlight.'</span>';
350    }
351    return $hlight;
352}
353
354/**
355 * Run a search and display the result
356 *
357 * @author Andreas Gohr <andi@splitbrain.org>
358 */
359function html_search(){
360    global $QUERY, $ID;
361    global $lang;
362
363    $intro = p_locale_xhtml('searchpage');
364    // allow use of placeholder in search intro
365    $pagecreateinfo = (auth_quickaclcheck($ID) >= AUTH_CREATE) ? $lang['searchcreatepage'] : '';
366    $intro = str_replace(
367        array('@QUERY@', '@SEARCH@', '@CREATEPAGEINFO@'),
368        array(hsc(rawurlencode($QUERY)), hsc($QUERY), $pagecreateinfo),
369        $intro
370    );
371    echo $intro;
372    flush();
373
374    //show progressbar
375    print '<div id="dw__loading">'.NL;
376    print '<script type="text/javascript">/*<![CDATA[*/'.NL;
377    print 'showLoadBar();'.NL;
378    print '/*!]]>*/</script>'.NL;
379    print '</div>'.NL;
380    flush();
381
382    //do quick pagesearch
383    $data = ft_pageLookup($QUERY,true,useHeading('navigation'));
384    if(count($data)){
385        print '<div class="search_quickresult">';
386        print '<h3>'.$lang['quickhits'].':</h3>';
387        print '<ul class="search_quickhits">';
388        foreach($data as $id => $title){
389            print '<li> ';
390            if (useHeading('navigation')) {
391                $name = $title;
392            }else{
393                $ns = getNS($id);
394                if($ns){
395                    $name = shorten(noNS($id), ' ('.$ns.')',30);
396                }else{
397                    $name = $id;
398                }
399            }
400            print html_wikilink(':'.$id,$name);
401            print '</li> ';
402        }
403        print '</ul> ';
404        //clear float (see http://www.complexspiral.com/publications/containing-floats/)
405        print '<div class="clearer"></div>';
406        print '</div>';
407    }
408    flush();
409
410    //do fulltext search
411    $data = ft_pageSearch($QUERY,$regex);
412    if(count($data)){
413        print '<dl class="search_results">';
414        $num = 1;
415        foreach($data as $id => $cnt){
416            print '<dt>';
417            print html_wikilink(':'.$id,useHeading('navigation')?null:$id,$regex);
418            if($cnt !== 0){
419                print ': '.$cnt.' '.$lang['hits'].'';
420            }
421            print '</dt>';
422            if($cnt !== 0){
423                if($num < FT_SNIPPET_NUMBER){ // create snippets for the first number of matches only
424                    print '<dd>'.ft_snippet($id,$regex).'</dd>';
425                }
426                $num++;
427            }
428            flush();
429        }
430        print '</dl>';
431    }else{
432        print '<div class="nothing">'.$lang['nothingfound'].'</div>';
433    }
434
435    //hide progressbar
436    print '<script type="text/javascript">/*<![CDATA[*/'.NL;
437    print 'hideLoadBar("dw__loading");'.NL;
438    print '/*!]]>*/</script>'.NL;
439    flush();
440}
441
442/**
443 * Display error on locked pages
444 *
445 * @author Andreas Gohr <andi@splitbrain.org>
446 */
447function html_locked(){
448    global $ID;
449    global $conf;
450    global $lang;
451    global $INFO;
452
453    $locktime = filemtime(wikiLockFN($ID));
454    $expire = dformat($locktime + $conf['locktime']);
455    $min    = round(($conf['locktime'] - (time() - $locktime) )/60);
456
457    print p_locale_xhtml('locked');
458    print '<ul>';
459    print '<li><div class="li"><strong>'.$lang['lockedby'].'</strong> '.editorinfo($INFO['locked']).'</div></li>';
460    print '<li><div class="li"><strong>'.$lang['lockexpire'].'</strong> '.$expire.' ('.$min.' min)</div></li>';
461    print '</ul>';
462}
463
464/**
465 * list old revisions
466 *
467 * @author Andreas Gohr <andi@splitbrain.org>
468 * @author Ben Coburn <btcoburn@silicodon.net>
469 * @author Kate Arzamastseva <pshns@ukr.net>
470 *
471 * @param int $first skip the first n changelog lines
472 * @param bool|string $media_id id of media, or false for current page
473 */
474function html_revisions($first=0, $media_id = false){
475    global $ID;
476    global $INFO;
477    global $conf;
478    global $lang;
479    $id = $ID;
480    if ($media_id) {
481        $id = $media_id;
482        $changelog = new MediaChangeLog($id);
483    } else {
484        $changelog = new PageChangeLog($id);
485    }
486
487    /* we need to get one additional log entry to be able to
488     * decide if this is the last page or is there another one.
489     * see html_recent()
490     */
491
492    $revisions = $changelog->getRevisions($first, $conf['recent']+1);
493
494    if(count($revisions)==0 && $first!=0){
495        $first=0;
496        $revisions = $changelog->getRevisions($first, $conf['recent']+1);
497    }
498    $hasNext = false;
499    if (count($revisions)>$conf['recent']) {
500        $hasNext = true;
501        array_pop($revisions); // remove extra log entry
502    }
503
504    if (!$media_id) print p_locale_xhtml('revisions');
505
506    $params = array('id' => 'page__revisions', 'class' => 'changes');
507    if($media_id) {
508        $params['action'] = media_managerURL(array('image' => $media_id), '&');
509    }
510
511    if(!$media_id) {
512        $exists = $INFO['exists'];
513        $display_name = useHeading('navigation') ? hsc(p_get_first_heading($id)) : $id;
514        if(!$display_name) {
515            $display_name = $id;
516        }
517    } else {
518        $exists = file_exists(mediaFN($id));
519        $display_name = $id;
520    }
521
522    $form = new Doku_Form($params);
523    $form->addElement(form_makeOpenTag('ul'));
524
525    if($exists && $first == 0) {
526        $minor = false;
527        if($media_id) {
528            $date = dformat(@filemtime(mediaFN($id)));
529            $href = media_managerURL(array('image' => $id, 'tab_details' => 'view'), '&');
530
531            $changelog->setChunkSize(1024);
532            $revinfo = $changelog->getRevisionInfo(@filemtime(fullpath(mediaFN($id))));
533
534            $summary = $revinfo['sum'];
535            if($revinfo['user']) {
536                $editor = $revinfo['user'];
537            } else {
538                $editor = $revinfo['ip'];
539            }
540            $sizechange = $revinfo['sizechange'];
541        } else {
542            $date = dformat($INFO['lastmod']);
543            if(isset($INFO['meta']) && isset($INFO['meta']['last_change'])) {
544                if($INFO['meta']['last_change']['type'] === DOKU_CHANGE_TYPE_MINOR_EDIT) {
545                    $minor = true;
546                }
547                if(isset($INFO['meta']['last_change']['sizechange'])) {
548                    $sizechange = $INFO['meta']['last_change']['sizechange'];
549                } else {
550                    $sizechange = null;
551                }
552            }
553            $href = wl($id);
554            $summary = $INFO['sum'];
555            $editor = $INFO['editor'];
556        }
557
558        $form->addElement(form_makeOpenTag('li', array('class' => ($minor ? 'minor' : ''))));
559        $form->addElement(form_makeOpenTag('div', array('class' => 'li')));
560        $form->addElement(form_makeTag('input', array(
561                        'type' => 'checkbox',
562                        'name' => 'rev2[]',
563                        'value' => 'current')));
564
565        $form->addElement(form_makeOpenTag('span', array('class' => 'date')));
566        $form->addElement($date);
567        $form->addElement(form_makeCloseTag('span'));
568
569        $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
570
571        $form->addElement(form_makeOpenTag('a', array(
572                        'class' => 'wikilink1',
573                        'href'  => $href)));
574        $form->addElement($display_name);
575        $form->addElement(form_makeCloseTag('a'));
576
577        if ($media_id) $form->addElement(form_makeOpenTag('div'));
578
579        if($summary) {
580            $form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
581            if(!$media_id) $form->addElement(' – ');
582            $form->addElement('<bdi>' . htmlspecialchars($summary) . '</bdi>');
583            $form->addElement(form_makeCloseTag('span'));
584        }
585
586        $form->addElement(form_makeOpenTag('span', array('class' => 'user')));
587        $form->addElement((empty($editor))?('('.$lang['external_edit'].')'):'<bdi>'.editorinfo($editor).'</bdi>');
588        $form->addElement(form_makeCloseTag('span'));
589
590        html_sizechange($sizechange, $form);
591
592        $form->addElement('('.$lang['current'].')');
593
594        if ($media_id) $form->addElement(form_makeCloseTag('div'));
595
596        $form->addElement(form_makeCloseTag('div'));
597        $form->addElement(form_makeCloseTag('li'));
598    }
599
600    foreach($revisions as $rev) {
601        $date = dformat($rev);
602        $info = $changelog->getRevisionInfo($rev);
603        if($media_id) {
604            $exists = file_exists(mediaFN($id, $rev));
605        } else {
606            $exists = page_exists($id, $rev);
607        }
608
609        $class = '';
610        if($info['type'] === DOKU_CHANGE_TYPE_MINOR_EDIT) {
611            $class = 'minor';
612        }
613        $form->addElement(form_makeOpenTag('li', array('class' => $class)));
614        $form->addElement(form_makeOpenTag('div', array('class' => 'li')));
615        if($exists){
616            $form->addElement(form_makeTag('input', array(
617                            'type' => 'checkbox',
618                            'name' => 'rev2[]',
619                            'value' => $rev)));
620        }else{
621            $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
622        }
623
624        $form->addElement(form_makeOpenTag('span', array('class' => 'date')));
625        $form->addElement($date);
626        $form->addElement(form_makeCloseTag('span'));
627
628        if($exists){
629            if (!$media_id) {
630                $href = wl($id,"rev=$rev,do=diff", false, '&');
631            } else {
632                $href = media_managerURL(array('image' => $id, 'rev' => $rev, 'mediado' => 'diff'), '&');
633            }
634            $form->addElement(form_makeOpenTag('a', array(
635                            'class' => 'diff_link',
636                            'href' => $href)));
637            $form->addElement(form_makeTag('img', array(
638                            'src'    => DOKU_BASE.'lib/images/diff.png',
639                            'width'  => 15,
640                            'height' => 11,
641                            'title'  => $lang['diff'],
642                            'alt'    => $lang['diff'])));
643            $form->addElement(form_makeCloseTag('a'));
644
645            if (!$media_id) {
646                $href = wl($id,"rev=$rev",false,'&');
647            } else {
648                $href = media_managerURL(array('image' => $id, 'tab_details' => 'view', 'rev' => $rev), '&');
649            }
650            $form->addElement(form_makeOpenTag('a', array(
651                            'class' => 'wikilink1',
652                            'href' => $href)));
653            $form->addElement($display_name);
654            $form->addElement(form_makeCloseTag('a'));
655        }else{
656            $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
657            $form->addElement($display_name);
658        }
659
660        if ($media_id) $form->addElement(form_makeOpenTag('div'));
661
662        if ($info['sum']) {
663            $form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
664            if(!$media_id) $form->addElement(' – ');
665            $form->addElement('<bdi>'.htmlspecialchars($info['sum']).'</bdi>');
666            $form->addElement(form_makeCloseTag('span'));
667        }
668
669        $form->addElement(form_makeOpenTag('span', array('class' => 'user')));
670        if($info['user']){
671            $form->addElement('<bdi>'.editorinfo($info['user']).'</bdi>');
672            if(auth_ismanager()){
673                $form->addElement(' <bdo dir="ltr">('.$info['ip'].')</bdo>');
674            }
675        }else{
676            $form->addElement('<bdo dir="ltr">'.$info['ip'].'</bdo>');
677        }
678        $form->addElement(form_makeCloseTag('span'));
679
680        html_sizechange($info['sizechange'], $form);
681
682        if ($media_id) $form->addElement(form_makeCloseTag('div'));
683
684        $form->addElement(form_makeCloseTag('div'));
685        $form->addElement(form_makeCloseTag('li'));
686    }
687    $form->addElement(form_makeCloseTag('ul'));
688    if (!$media_id) {
689        $form->addElement(form_makeButton('submit', 'diff', $lang['diff2']));
690    } else {
691        $form->addHidden('mediado', 'diff');
692        $form->addElement(form_makeButton('submit', '', $lang['diff2']));
693    }
694    html_form('revisions', $form);
695
696    print '<div class="pagenav">';
697    $last = $first + $conf['recent'];
698    if ($first > 0) {
699        $first -= $conf['recent'];
700        if ($first < 0) $first = 0;
701        print '<div class="pagenav-prev">';
702        if ($media_id) {
703            print html_btn('newer',$media_id,"p",media_managerURL(array('first' => $first), '&amp;', false, true));
704        } else {
705            print html_btn('newer',$id,"p",array('do' => 'revisions', 'first' => $first));
706        }
707        print '</div>';
708    }
709    if ($hasNext) {
710        print '<div class="pagenav-next">';
711        if ($media_id) {
712            print html_btn('older',$media_id,"n",media_managerURL(array('first' => $last), '&amp;', false, true));
713        } else {
714            print html_btn('older',$id,"n",array('do' => 'revisions', 'first' => $last));
715        }
716        print '</div>';
717    }
718    print '</div>';
719
720}
721
722/**
723 * display recent changes
724 *
725 * @author Andreas Gohr <andi@splitbrain.org>
726 * @author Matthias Grimm <matthiasgrimm@users.sourceforge.net>
727 * @author Ben Coburn <btcoburn@silicodon.net>
728 * @author Kate Arzamastseva <pshns@ukr.net>
729 *
730 * @param int $first
731 * @param string $show_changes
732 */
733function html_recent($first = 0, $show_changes = 'both') {
734    global $conf;
735    global $lang;
736    global $ID;
737    /* we need to get one additionally log entry to be able to
738     * decide if this is the last page or is there another one.
739     * This is the cheapest solution to get this information.
740     */
741    $flags = 0;
742    if($show_changes == 'mediafiles' && $conf['mediarevisions']) {
743        $flags = RECENTS_MEDIA_CHANGES;
744    } elseif($show_changes == 'pages') {
745        $flags = 0;
746    } elseif($conf['mediarevisions']) {
747        $show_changes = 'both';
748        $flags = RECENTS_MEDIA_PAGES_MIXED;
749    }
750
751    $recents = getRecents($first, $conf['recent'] + 1, getNS($ID), $flags);
752    if(count($recents) == 0 && $first != 0) {
753        $first = 0;
754        $recents = getRecents($first, $conf['recent'] + 1, getNS($ID), $flags);
755    }
756    $hasNext = false;
757    if(count($recents) > $conf['recent']) {
758        $hasNext = true;
759        array_pop($recents); // remove extra log entry
760    }
761
762    print p_locale_xhtml('recent');
763
764    if(getNS($ID) != '') {
765        print '<div class="level1"><p>' . sprintf($lang['recent_global'], getNS($ID), wl('', 'do=recent')) . '</p></div>';
766    }
767
768    $form = new Doku_Form(array('id' => 'dw__recent', 'method' => 'GET', 'class' => 'changes'));
769    $form->addHidden('sectok', null);
770    $form->addHidden('do', 'recent');
771    $form->addHidden('id', $ID);
772
773    if($conf['mediarevisions']) {
774        $form->addElement('<div class="changeType">');
775        $form->addElement(form_makeListboxField(
776                    'show_changes',
777                    array(
778                        'pages'      => $lang['pages_changes'],
779                        'mediafiles' => $lang['media_changes'],
780                        'both'       => $lang['both_changes']
781                    ),
782                    $show_changes,
783                    $lang['changes_type'],
784                    '', '',
785                    array('class' => 'quickselect')));
786
787        $form->addElement(form_makeButton('submit', 'recent', $lang['btn_apply']));
788        $form->addElement('</div>');
789    }
790
791    $form->addElement(form_makeOpenTag('ul'));
792
793    foreach($recents as $recent) {
794        $date = dformat($recent['date']);
795
796        $class = '';
797        if($recent['type'] === DOKU_CHANGE_TYPE_MINOR_EDIT) {
798            $class = 'minor';
799        }
800        $form->addElement(form_makeOpenTag('li', array('class' => $class)));
801        $form->addElement(form_makeOpenTag('div', array('class' => 'li')));
802
803        if(!empty($recent['media'])) {
804            $form->addElement(media_printicon($recent['id']));
805        } else {
806            $icon = DOKU_BASE . 'lib/images/fileicons/file.png';
807            $form->addElement('<img src="' . $icon . '" alt="' . $recent['id'] . '" class="icon" />');
808        }
809
810        $form->addElement(form_makeOpenTag('span', array('class' => 'date')));
811        $form->addElement($date);
812        $form->addElement(form_makeCloseTag('span'));
813
814        $diff = false;
815        $href = '';
816
817        if(!empty($recent['media'])) {
818            $changelog = new MediaChangeLog($recent['id']);
819            $revs = $changelog->getRevisions(0, 1);
820            $diff = (count($revs) && file_exists(mediaFN($recent['id'])));
821            if($diff) {
822                $href = media_managerURL(array(
823                                            'tab_details' => 'history',
824                                            'mediado' => 'diff',
825                                            'image' => $recent['id'],
826                                            'ns' => getNS($recent['id'])
827                                        ), '&');
828            }
829        } else {
830            $href = wl($recent['id'], "do=diff", false, '&');
831        }
832
833        if(!empty($recent['media']) && !$diff) {
834            $form->addElement('<img src="' . DOKU_BASE . 'lib/images/blank.gif" width="15" height="11" alt="" />');
835        } else {
836            $form->addElement(form_makeOpenTag('a', array('class' => 'diff_link', 'href' => $href)));
837            $form->addElement(form_makeTag('img', array(
838                            'src'    => DOKU_BASE . 'lib/images/diff.png',
839                            'width'  => 15,
840                            'height' => 11,
841                            'title'  => $lang['diff'],
842                            'alt'    => $lang['diff']
843                        )));
844            $form->addElement(form_makeCloseTag('a'));
845        }
846
847        if(!empty($recent['media'])) {
848            $href = media_managerURL(array('tab_details' => 'history', 'image' => $recent['id'], 'ns' => getNS($recent['id'])), '&');
849        } else {
850            $href = wl($recent['id'], "do=revisions", false, '&');
851        }
852        $form->addElement(form_makeOpenTag('a', array(
853                        'class' => 'revisions_link',
854                        'href'  => $href)));
855        $form->addElement(form_makeTag('img', array(
856                        'src'    => DOKU_BASE . 'lib/images/history.png',
857                        'width'  => 12,
858                        'height' => 14,
859                        'title'  => $lang['btn_revs'],
860                        'alt'    => $lang['btn_revs']
861                    )));
862        $form->addElement(form_makeCloseTag('a'));
863
864        if(!empty($recent['media'])) {
865            $href = media_managerURL(array('tab_details' => 'view', 'image' => $recent['id'], 'ns' => getNS($recent['id'])), '&');
866            $class = file_exists(mediaFN($recent['id'])) ? 'wikilink1' : 'wikilink2';
867            $form->addElement(form_makeOpenTag('a', array(
868                        'class' => $class,
869                        'href'  => $href)));
870            $form->addElement($recent['id']);
871            $form->addElement(form_makeCloseTag('a'));
872        } else {
873            $form->addElement(html_wikilink(':' . $recent['id'], useHeading('navigation') ? null : $recent['id']));
874        }
875        $form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
876        $form->addElement(' – ' . htmlspecialchars($recent['sum']));
877        $form->addElement(form_makeCloseTag('span'));
878
879        $form->addElement(form_makeOpenTag('span', array('class' => 'user')));
880        if($recent['user']) {
881            $form->addElement('<bdi>' . editorinfo($recent['user']) . '</bdi>');
882            if(auth_ismanager()) {
883                $form->addElement(' <bdo dir="ltr">(' . $recent['ip'] . ')</bdo>');
884            }
885        } else {
886            $form->addElement('<bdo dir="ltr">' . $recent['ip'] . '</bdo>');
887        }
888        $form->addElement(form_makeCloseTag('span'));
889
890        html_sizechange($recent['sizechange'], $form);
891
892        $form->addElement(form_makeCloseTag('div'));
893        $form->addElement(form_makeCloseTag('li'));
894    }
895    $form->addElement(form_makeCloseTag('ul'));
896
897    $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav')));
898    $last = $first + $conf['recent'];
899    if($first > 0) {
900        $first -= $conf['recent'];
901        if($first < 0) $first = 0;
902        $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav-prev')));
903        $form->addElement(form_makeOpenTag('button', array(
904                        'type'      => 'submit',
905                        'name'      => 'first[' . $first . ']',
906                        'accesskey' => 'n',
907                        'title'     => $lang['btn_newer'] . ' [N]',
908                        'class'     => 'button show'
909                    )));
910        $form->addElement($lang['btn_newer']);
911        $form->addElement(form_makeCloseTag('button'));
912        $form->addElement(form_makeCloseTag('div'));
913    }
914    if($hasNext) {
915        $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav-next')));
916        $form->addElement(form_makeOpenTag('button', array(
917                        'type'      => 'submit',
918                        'name'      => 'first[' . $last . ']',
919                        'accesskey' => 'p',
920                        'title'     => $lang['btn_older'] . ' [P]',
921                        'class'     => 'button show'
922                    )));
923        $form->addElement($lang['btn_older']);
924        $form->addElement(form_makeCloseTag('button'));
925        $form->addElement(form_makeCloseTag('div'));
926    }
927    $form->addElement(form_makeCloseTag('div'));
928    html_form('recent', $form);
929}
930
931/**
932 * Display page index
933 *
934 * @author Andreas Gohr <andi@splitbrain.org>
935 *
936 * @param string $ns
937 */
938function html_index($ns){
939    global $conf;
940    global $ID;
941    $ns  = cleanID($ns);
942    if(empty($ns)){
943        $ns = getNS($ID);
944        if($ns === false) $ns ='';
945    }
946    $ns  = utf8_encodeFN(str_replace(':','/',$ns));
947
948    echo p_locale_xhtml('index');
949    echo '<div id="index__tree">';
950
951    $data = array();
952    search($data,$conf['datadir'],'search_index',array('ns' => $ns));
953    echo html_buildlist($data,'idx','html_list_index','html_li_index');
954
955    echo '</div>';
956}
957
958/**
959 * Index item formatter
960 *
961 * User function for html_buildlist()
962 *
963 * @author Andreas Gohr <andi@splitbrain.org>
964 *
965 * @param array $item
966 * @return string
967 */
968function html_list_index($item){
969    global $ID, $conf;
970
971    // prevent searchbots needlessly following links
972    $nofollow = ($ID != $conf['start'] || $conf['sitemap']) ? ' rel="nofollow"' : '';
973
974    $ret = '';
975    $base = ':'.$item['id'];
976    $base = substr($base,strrpos($base,':')+1);
977    if($item['type']=='d'){
978        // FS#2766, no need for search bots to follow namespace links in the index
979        $ret .= '<a href="'.wl($ID,'idx='.rawurlencode($item['id'])).'" title="' . $item['id'] . '" class="idx_dir"' . $nofollow . '><strong>';
980        $ret .= $base;
981        $ret .= '</strong></a>';
982    }else{
983        // default is noNSorNS($id), but we want noNS($id) when useheading is off FS#2605
984        $ret .= html_wikilink(':'.$item['id'], useHeading('navigation') ? null : noNS($item['id']));
985    }
986    return $ret;
987}
988
989/**
990 * Index List item
991 *
992 * This user function is used in html_buildlist to build the
993 * <li> tags for namespaces when displaying the page index
994 * it gives different classes to opened or closed "folders"
995 *
996 * @author Andreas Gohr <andi@splitbrain.org>
997 *
998 * @param array $item
999 * @return string html
1000 */
1001function html_li_index($item){
1002    global $INFO;
1003    global $ACT;
1004
1005    $class = '';
1006    $id = '';
1007
1008    if($item['type'] == "f"){
1009        // scroll to the current item
1010        if($item['id'] == $INFO['id'] && $ACT == 'index') {
1011            $id = ' id="scroll__here"';
1012            $class = ' bounce';
1013        }
1014        return '<li class="level'.$item['level'].$class.'" '.$id.'>';
1015    }elseif($item['open']){
1016        return '<li class="open">';
1017    }else{
1018        return '<li class="closed">';
1019    }
1020}
1021
1022/**
1023 * Default List item
1024 *
1025 * @author Andreas Gohr <andi@splitbrain.org>
1026 *
1027 * @param array $item
1028 * @return string html
1029 */
1030function html_li_default($item){
1031    return '<li class="level'.$item['level'].'">';
1032}
1033
1034/**
1035 * Build an unordered list
1036 *
1037 * Build an unordered list from the given $data array
1038 * Each item in the array has to have a 'level' property
1039 * the item itself gets printed by the given $func user
1040 * function. The second and optional function is used to
1041 * print the <li> tag. Both user function need to accept
1042 * a single item.
1043 *
1044 * Both user functions can be given as array to point to
1045 * a member of an object.
1046 *
1047 * @author Andreas Gohr <andi@splitbrain.org>
1048 *
1049 * @param array    $data  array with item arrays
1050 * @param string   $class class of ul wrapper
1051 * @param callable $func  callback to print an list item
1052 * @param callable $lifunc callback to the opening li tag
1053 * @param bool     $forcewrapper Trigger building a wrapper ul if the first level is
1054 *                               0 (we have a root object) or 1 (just the root content)
1055 * @return string html of an unordered list
1056 */
1057function html_buildlist($data,$class,$func,$lifunc='html_li_default',$forcewrapper=false){
1058    if (count($data) === 0) {
1059        return '';
1060    }
1061
1062    $start_level = $data[0]['level'];
1063    $level = $start_level;
1064    $ret   = '';
1065    $open  = 0;
1066
1067    foreach ($data as $item){
1068
1069        if( $item['level'] > $level ){
1070            //open new list
1071            for($i=0; $i<($item['level'] - $level); $i++){
1072                if ($i) $ret .= "<li class=\"clear\">";
1073                $ret .= "\n<ul class=\"$class\">\n";
1074                $open++;
1075            }
1076            $level = $item['level'];
1077
1078        }elseif( $item['level'] < $level ){
1079            //close last item
1080            $ret .= "</li>\n";
1081            while( $level > $item['level'] && $open > 0 ){
1082                //close higher lists
1083                $ret .= "</ul>\n</li>\n";
1084                $level--;
1085                $open--;
1086            }
1087        } elseif ($ret !== '') {
1088            //close previous item
1089            $ret .= "</li>\n";
1090        }
1091
1092        //print item
1093        $ret .= call_user_func($lifunc,$item);
1094        $ret .= '<div class="li">';
1095
1096        $ret .= call_user_func($func,$item);
1097        $ret .= '</div>';
1098    }
1099
1100    //close remaining items and lists
1101    $ret .= "</li>\n";
1102    while($open-- > 0) {
1103        $ret .= "</ul></li>\n";
1104    }
1105
1106    if ($forcewrapper || $start_level < 2) {
1107        // Trigger building a wrapper ul if the first level is
1108        // 0 (we have a root object) or 1 (just the root content)
1109        $ret = "\n<ul class=\"$class\">\n".$ret."</ul>\n";
1110    }
1111
1112    return $ret;
1113}
1114
1115/**
1116 * display backlinks
1117 *
1118 * @author Andreas Gohr <andi@splitbrain.org>
1119 * @author Michael Klier <chi@chimeric.de>
1120 */
1121function html_backlinks(){
1122    global $ID;
1123    global $lang;
1124
1125    print p_locale_xhtml('backlinks');
1126
1127    $data = ft_backlinks($ID);
1128
1129    if(!empty($data)) {
1130        print '<ul class="idx">';
1131        foreach($data as $blink){
1132            print '<li><div class="li">';
1133            print html_wikilink(':'.$blink,useHeading('navigation')?null:$blink);
1134            print '</div></li>';
1135        }
1136        print '</ul>';
1137    } else {
1138        print '<div class="level1"><p>' . $lang['nothingfound'] . '</p></div>';
1139    }
1140}
1141
1142/**
1143 * Get header of diff HTML
1144 *
1145 * @param string $l_rev   Left revisions
1146 * @param string $r_rev   Right revision
1147 * @param string $id      Page id, if null $ID is used
1148 * @param bool   $media   If it is for media files
1149 * @param bool   $inline  Return the header on a single line
1150 * @return string[] HTML snippets for diff header
1151 */
1152function html_diff_head($l_rev, $r_rev, $id = null, $media = false, $inline = false) {
1153    global $lang;
1154    if ($id === null) {
1155        global $ID;
1156        $id = $ID;
1157    }
1158    $head_separator = $inline ? ' ' : '<br />';
1159    $media_or_wikiFN = $media ? 'mediaFN' : 'wikiFN';
1160    $ml_or_wl = $media ? 'ml' : 'wl';
1161    $l_minor = $r_minor = '';
1162
1163    if($media) {
1164        $changelog = new MediaChangeLog($id);
1165    } else {
1166        $changelog = new PageChangeLog($id);
1167    }
1168    if(!$l_rev){
1169        $l_head = '&mdash;';
1170    }else{
1171        $l_info   = $changelog->getRevisionInfo($l_rev);
1172        if($l_info['user']){
1173            $l_user = '<bdi>'.editorinfo($l_info['user']).'</bdi>';
1174            if(auth_ismanager()) $l_user .= ' <bdo dir="ltr">('.$l_info['ip'].')</bdo>';
1175        } else {
1176            $l_user = '<bdo dir="ltr">'.$l_info['ip'].'</bdo>';
1177        }
1178        $l_user  = '<span class="user">'.$l_user.'</span>';
1179        $l_sum   = ($l_info['sum']) ? '<span class="sum"><bdi>'.hsc($l_info['sum']).'</bdi></span>' : '';
1180        if ($l_info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT) $l_minor = 'class="minor"';
1181
1182        $l_head_title = ($media) ? dformat($l_rev) : $id.' ['.dformat($l_rev).']';
1183        $l_head = '<bdi><a class="wikilink1" href="'.$ml_or_wl($id,"rev=$l_rev").'">'.
1184        $l_head_title.'</a></bdi>'.
1185        $head_separator.$l_user.' '.$l_sum;
1186    }
1187
1188    if($r_rev){
1189        $r_info   = $changelog->getRevisionInfo($r_rev);
1190        if($r_info['user']){
1191            $r_user = '<bdi>'.editorinfo($r_info['user']).'</bdi>';
1192            if(auth_ismanager()) $r_user .= ' <bdo dir="ltr">('.$r_info['ip'].')</bdo>';
1193        } else {
1194            $r_user = '<bdo dir="ltr">'.$r_info['ip'].'</bdo>';
1195        }
1196        $r_user = '<span class="user">'.$r_user.'</span>';
1197        $r_sum  = ($r_info['sum']) ? '<span class="sum"><bdi>'.hsc($r_info['sum']).'</bdi></span>' : '';
1198        if ($r_info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT) $r_minor = 'class="minor"';
1199
1200        $r_head_title = ($media) ? dformat($r_rev) : $id.' ['.dformat($r_rev).']';
1201        $r_head = '<bdi><a class="wikilink1" href="'.$ml_or_wl($id,"rev=$r_rev").'">'.
1202        $r_head_title.'</a></bdi>'.
1203        $head_separator.$r_user.' '.$r_sum;
1204    }elseif($_rev = @filemtime($media_or_wikiFN($id))){
1205        $_info   = $changelog->getRevisionInfo($_rev);
1206        if($_info['user']){
1207            $_user = '<bdi>'.editorinfo($_info['user']).'</bdi>';
1208            if(auth_ismanager()) $_user .= ' <bdo dir="ltr">('.$_info['ip'].')</bdo>';
1209        } else {
1210            $_user = '<bdo dir="ltr">'.$_info['ip'].'</bdo>';
1211        }
1212        $_user = '<span class="user">'.$_user.'</span>';
1213        $_sum  = ($_info['sum']) ? '<span class="sum"><bdi>'.hsc($_info['sum']).'</span></bdi>' : '';
1214        if ($_info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT) $r_minor = 'class="minor"';
1215
1216        $r_head_title = ($media) ? dformat($_rev) : $id.' ['.dformat($_rev).']';
1217        $r_head  = '<bdi><a class="wikilink1" href="'.$ml_or_wl($id).'">'.
1218        $r_head_title.'</a></bdi> '.
1219        '('.$lang['current'].')'.
1220        $head_separator.$_user.' '.$_sum;
1221    }else{
1222        $r_head = '&mdash; ('.$lang['current'].')';
1223    }
1224
1225    return array($l_head, $r_head, $l_minor, $r_minor);
1226}
1227
1228/**
1229 * Show diff
1230 * between current page version and provided $text
1231 * or between the revisions provided via GET or POST
1232 *
1233 * @author Andreas Gohr <andi@splitbrain.org>
1234 * @param  string $text  when non-empty: compare with this text with most current version
1235 * @param  bool   $intro display the intro text
1236 * @param  string $type  type of the diff (inline or sidebyside)
1237 */
1238function html_diff($text = '', $intro = true, $type = null) {
1239    global $ID;
1240    global $REV;
1241    global $lang;
1242    global $INPUT;
1243    global $INFO;
1244    $pagelog = new PageChangeLog($ID);
1245
1246    /*
1247     * Determine diff type
1248     */
1249    if(!$type) {
1250        $type = $INPUT->str('difftype');
1251        if(empty($type)) {
1252            $type = get_doku_pref('difftype', $type);
1253            if(empty($type) && $INFO['ismobile']) {
1254                $type = 'inline';
1255            }
1256        }
1257    }
1258    if($type != 'inline') $type = 'sidebyside';
1259
1260    /*
1261     * Determine requested revision(s)
1262     */
1263    // we're trying to be clever here, revisions to compare can be either
1264    // given as rev and rev2 parameters, with rev2 being optional. Or in an
1265    // array in rev2.
1266    $rev1 = $REV;
1267
1268    $rev2 = $INPUT->ref('rev2');
1269    if(is_array($rev2)) {
1270        $rev1 = (int) $rev2[0];
1271        $rev2 = (int) $rev2[1];
1272
1273        if(!$rev1) {
1274            $rev1 = $rev2;
1275            unset($rev2);
1276        }
1277    } else {
1278        $rev2 = $INPUT->int('rev2');
1279    }
1280
1281    /*
1282     * Determine left and right revision, its texts and the header
1283     */
1284    $r_minor = '';
1285    $l_minor = '';
1286
1287    if($text) { // compare text to the most current revision
1288        $l_rev = '';
1289        $l_text = rawWiki($ID, '');
1290        $l_head = '<a class="wikilink1" href="' . wl($ID) . '">' .
1291            $ID . ' ' . dformat((int) @filemtime(wikiFN($ID))) . '</a> ' .
1292            $lang['current'];
1293
1294        $r_rev = '';
1295        $r_text = cleanText($text);
1296        $r_head = $lang['yours'];
1297    } else {
1298        if($rev1 && isset($rev2) && $rev2) { // two specific revisions wanted
1299            // make sure order is correct (older on the left)
1300            if($rev1 < $rev2) {
1301                $l_rev = $rev1;
1302                $r_rev = $rev2;
1303            } else {
1304                $l_rev = $rev2;
1305                $r_rev = $rev1;
1306            }
1307        } elseif($rev1) { // single revision given, compare to current
1308            $r_rev = '';
1309            $l_rev = $rev1;
1310        } else { // no revision was given, compare previous to current
1311            $r_rev = '';
1312            $revs = $pagelog->getRevisions(0, 1);
1313            $l_rev = $revs[0];
1314            $REV = $l_rev; // store revision back in $REV
1315        }
1316
1317        // when both revisions are empty then the page was created just now
1318        if(!$l_rev && !$r_rev) {
1319            $l_text = '';
1320        } else {
1321            $l_text = rawWiki($ID, $l_rev);
1322        }
1323        $r_text = rawWiki($ID, $r_rev);
1324
1325        list($l_head, $r_head, $l_minor, $r_minor) = html_diff_head($l_rev, $r_rev, null, false, $type == 'inline');
1326    }
1327
1328    /*
1329     * Build navigation
1330     */
1331    $l_nav = '';
1332    $r_nav = '';
1333    if(!$text) {
1334        list($l_nav, $r_nav) = html_diff_navigation($pagelog, $type, $l_rev, $r_rev);
1335    }
1336    /*
1337     * Create diff object and the formatter
1338     */
1339    $diff = new Diff(explode("\n", $l_text), explode("\n", $r_text));
1340
1341    if($type == 'inline') {
1342        $diffformatter = new InlineDiffFormatter();
1343    } else {
1344        $diffformatter = new TableDiffFormatter();
1345    }
1346    /*
1347     * Display intro
1348     */
1349    if($intro) print p_locale_xhtml('diff');
1350
1351    /*
1352     * Display type and exact reference
1353     */
1354    if(!$text) {
1355        ptln('<div class="diffoptions group">');
1356
1357
1358        $form = new Doku_Form(array('action' => wl()));
1359        $form->addHidden('id', $ID);
1360        $form->addHidden('rev2[0]', $l_rev);
1361        $form->addHidden('rev2[1]', $r_rev);
1362        $form->addHidden('do', 'diff');
1363        $form->addElement(
1364             form_makeListboxField(
1365                 'difftype',
1366                 array(
1367                     'sidebyside' => $lang['diff_side'],
1368                     'inline' => $lang['diff_inline']
1369                 ),
1370                 $type,
1371                 $lang['diff_type'],
1372                 '', '',
1373                 array('class' => 'quickselect')
1374             )
1375        );
1376        $form->addElement(form_makeButton('submit', 'diff', 'Go'));
1377        $form->printForm();
1378
1379        ptln('<p>');
1380        // link to exactly this view FS#2835
1381        echo html_diff_navigationlink($type, 'difflink', $l_rev, $r_rev ? $r_rev : $INFO['currentrev']);
1382        ptln('</p>');
1383
1384        ptln('</div>'); // .diffoptions
1385    }
1386
1387    /*
1388     * Display diff view table
1389     */
1390    ?>
1391    <div class="table">
1392    <table class="diff diff_<?php echo $type ?>">
1393
1394        <?php
1395        //navigation and header
1396        if($type == 'inline') {
1397            if(!$text) { ?>
1398                <tr>
1399                    <td class="diff-lineheader">-</td>
1400                    <td class="diffnav"><?php echo $l_nav ?></td>
1401                </tr>
1402                <tr>
1403                    <th class="diff-lineheader">-</th>
1404                    <th <?php echo $l_minor ?>>
1405                        <?php echo $l_head ?>
1406                    </th>
1407                </tr>
1408            <?php } ?>
1409            <tr>
1410                <td class="diff-lineheader">+</td>
1411                <td class="diffnav"><?php echo $r_nav ?></td>
1412            </tr>
1413            <tr>
1414                <th class="diff-lineheader">+</th>
1415                <th <?php echo $r_minor ?>>
1416                    <?php echo $r_head ?>
1417                </th>
1418            </tr>
1419        <?php } else {
1420            if(!$text) { ?>
1421                <tr>
1422                    <td colspan="2" class="diffnav"><?php echo $l_nav ?></td>
1423                    <td colspan="2" class="diffnav"><?php echo $r_nav ?></td>
1424                </tr>
1425            <?php } ?>
1426            <tr>
1427                <th colspan="2" <?php echo $l_minor ?>>
1428                    <?php echo $l_head ?>
1429                </th>
1430                <th colspan="2" <?php echo $r_minor ?>>
1431                    <?php echo $r_head ?>
1432                </th>
1433            </tr>
1434        <?php }
1435
1436        //diff view
1437        echo html_insert_softbreaks($diffformatter->format($diff)); ?>
1438
1439    </table>
1440    </div>
1441<?php
1442}
1443
1444/**
1445 * Create html for revision navigation
1446 *
1447 * @param PageChangeLog $pagelog changelog object of current page
1448 * @param string        $type    inline vs sidebyside
1449 * @param int           $l_rev   left revision timestamp
1450 * @param int           $r_rev   right revision timestamp
1451 * @return string[] html of left and right navigation elements
1452 */
1453function html_diff_navigation($pagelog, $type, $l_rev, $r_rev) {
1454    global $INFO, $ID;
1455
1456    // last timestamp is not in changelog, retrieve timestamp from metadata
1457    // note: when page is removed, the metadata timestamp is zero
1458    if(!$r_rev) {
1459        if(isset($INFO['meta']['last_change']['date'])) {
1460            $r_rev = $INFO['meta']['last_change']['date'];
1461        } else {
1462            $r_rev = 0;
1463        }
1464    }
1465
1466    //retrieve revisions with additional info
1467    list($l_revs, $r_revs) = $pagelog->getRevisionsAround($l_rev, $r_rev);
1468    $l_revisions = array();
1469    if(!$l_rev) {
1470        $l_revisions[0] = array(0, "", false); //no left revision given, add dummy
1471    }
1472    foreach($l_revs as $rev) {
1473        $info = $pagelog->getRevisionInfo($rev);
1474        $l_revisions[$rev] = array(
1475            $rev,
1476            dformat($info['date']) . ' ' . editorinfo($info['user'], true) . ' ' . $info['sum'],
1477            $r_rev ? $rev >= $r_rev : false //disable?
1478        );
1479    }
1480    $r_revisions = array();
1481    if(!$r_rev) {
1482        $r_revisions[0] = array(0, "", false); //no right revision given, add dummy
1483    }
1484    foreach($r_revs as $rev) {
1485        $info = $pagelog->getRevisionInfo($rev);
1486        $r_revisions[$rev] = array(
1487            $rev,
1488            dformat($info['date']) . ' ' . editorinfo($info['user'], true) . ' ' . $info['sum'],
1489            $rev <= $l_rev //disable?
1490        );
1491    }
1492
1493    //determine previous/next revisions
1494    $l_index = array_search($l_rev, $l_revs);
1495    $l_prev = $l_revs[$l_index + 1];
1496    $l_next = $l_revs[$l_index - 1];
1497    if($r_rev) {
1498        $r_index = array_search($r_rev, $r_revs);
1499        $r_prev = $r_revs[$r_index + 1];
1500        $r_next = $r_revs[$r_index - 1];
1501    } else {
1502        //removed page
1503        if($l_next) {
1504            $r_prev = $r_revs[0];
1505        } else {
1506            $r_prev = null;
1507        }
1508        $r_next = null;
1509    }
1510
1511    /*
1512     * Left side:
1513     */
1514    $l_nav = '';
1515    //move back
1516    if($l_prev) {
1517        $l_nav .= html_diff_navigationlink($type, 'diffbothprevrev', $l_prev, $r_prev);
1518        $l_nav .= html_diff_navigationlink($type, 'diffprevrev', $l_prev, $r_rev);
1519    }
1520    //dropdown
1521    $form = new Doku_Form(array('action' => wl()));
1522    $form->addHidden('id', $ID);
1523    $form->addHidden('difftype', $type);
1524    $form->addHidden('rev2[1]', $r_rev);
1525    $form->addHidden('do', 'diff');
1526    $form->addElement(
1527         form_makeListboxField(
1528             'rev2[0]',
1529             $l_revisions,
1530             $l_rev,
1531             '', '', '',
1532             array('class' => 'quickselect')
1533         )
1534    );
1535    $form->addElement(form_makeButton('submit', 'diff', 'Go'));
1536    $l_nav .= $form->getForm();
1537    //move forward
1538    if($l_next && ($l_next < $r_rev || !$r_rev)) {
1539        $l_nav .= html_diff_navigationlink($type, 'diffnextrev', $l_next, $r_rev);
1540    }
1541
1542    /*
1543     * Right side:
1544     */
1545    $r_nav = '';
1546    //move back
1547    if($l_rev < $r_prev) {
1548        $r_nav .= html_diff_navigationlink($type, 'diffprevrev', $l_rev, $r_prev);
1549    }
1550    //dropdown
1551    $form = new Doku_Form(array('action' => wl()));
1552    $form->addHidden('id', $ID);
1553    $form->addHidden('rev2[0]', $l_rev);
1554    $form->addHidden('difftype', $type);
1555    $form->addHidden('do', 'diff');
1556    $form->addElement(
1557         form_makeListboxField(
1558             'rev2[1]',
1559             $r_revisions,
1560             $r_rev,
1561             '', '', '',
1562             array('class' => 'quickselect')
1563         )
1564    );
1565    $form->addElement(form_makeButton('submit', 'diff', 'Go'));
1566    $r_nav .= $form->getForm();
1567    //move forward
1568    if($r_next) {
1569        if($pagelog->isCurrentRevision($r_next)) {
1570            $r_nav .= html_diff_navigationlink($type, 'difflastrev', $l_rev); //last revision is diff with current page
1571        } else {
1572            $r_nav .= html_diff_navigationlink($type, 'diffnextrev', $l_rev, $r_next);
1573        }
1574        $r_nav .= html_diff_navigationlink($type, 'diffbothnextrev', $l_next, $r_next);
1575    }
1576    return array($l_nav, $r_nav);
1577}
1578
1579/**
1580 * Create html link to a diff defined by two revisions
1581 *
1582 * @param string $difftype display type
1583 * @param string $linktype
1584 * @param int $lrev oldest revision
1585 * @param int $rrev newest revision or null for diff with current revision
1586 * @return string html of link to a diff
1587 */
1588function html_diff_navigationlink($difftype, $linktype, $lrev, $rrev = null) {
1589    global $ID, $lang;
1590    if(!$rrev) {
1591        $urlparam = array(
1592            'do' => 'diff',
1593            'rev' => $lrev,
1594            'difftype' => $difftype,
1595        );
1596    } else {
1597        $urlparam = array(
1598            'do' => 'diff',
1599            'rev2[0]' => $lrev,
1600            'rev2[1]' => $rrev,
1601            'difftype' => $difftype,
1602        );
1603    }
1604    return  '<a class="' . $linktype . '" href="' . wl($ID, $urlparam) . '" title="' . $lang[$linktype] . '">' .
1605                '<span>' . $lang[$linktype] . '</span>' .
1606            '</a>' . "\n";
1607}
1608
1609/**
1610 * Insert soft breaks in diff html
1611 *
1612 * @param string $diffhtml
1613 * @return string
1614 */
1615function html_insert_softbreaks($diffhtml) {
1616    // search the diff html string for both:
1617    // - html tags, so these can be ignored
1618    // - long strings of characters without breaking characters
1619    return preg_replace_callback('/<[^>]*>|[^<> ]{12,}/','html_softbreak_callback',$diffhtml);
1620}
1621
1622/**
1623 * callback which adds softbreaks
1624 *
1625 * @param array $match array with first the complete match
1626 * @return string the replacement
1627 */
1628function html_softbreak_callback($match){
1629    // if match is an html tag, return it intact
1630    if ($match[0]{0} == '<') return $match[0];
1631
1632    // its a long string without a breaking character,
1633    // make certain characters into breaking characters by inserting a
1634    // breaking character (zero length space, U+200B / #8203) in front them.
1635    $regex = <<< REGEX
1636(?(?=                                 # start a conditional expression with a positive look ahead ...
1637&\#?\\w{1,6};)                        # ... for html entities - we don't want to split them (ok to catch some invalid combinations)
1638&\#?\\w{1,6};                         # yes pattern - a quicker match for the html entity, since we know we have one
1639|
1640[?/,&\#;:]                            # no pattern - any other group of 'special' characters to insert a breaking character after
1641)+                                    # end conditional expression
1642REGEX;
1643
1644    return preg_replace('<'.$regex.'>xu','\0&#8203;',$match[0]);
1645}
1646
1647/**
1648 * show warning on conflict detection
1649 *
1650 * @author Andreas Gohr <andi@splitbrain.org>
1651 *
1652 * @param string $text
1653 * @param string $summary
1654 */
1655function html_conflict($text,$summary){
1656    global $ID;
1657    global $lang;
1658
1659    print p_locale_xhtml('conflict');
1660    $form = new Doku_Form(array('id' => 'dw__editform'));
1661    $form->addHidden('id', $ID);
1662    $form->addHidden('wikitext', $text);
1663    $form->addHidden('summary', $summary);
1664    $form->addElement(form_makeButton('submit', 'save', $lang['btn_save'], array('accesskey'=>'s')));
1665    $form->addElement(form_makeButton('submit', 'cancel', $lang['btn_cancel']));
1666    html_form('conflict', $form);
1667    print '<br /><br /><br /><br />'.NL;
1668}
1669
1670/**
1671 * Prints the global message array
1672 *
1673 * @author Andreas Gohr <andi@splitbrain.org>
1674 */
1675function html_msgarea(){
1676    global $MSG, $MSG_shown;
1677    /** @var array $MSG */
1678    // store if the global $MSG has already been shown and thus HTML output has been started
1679    $MSG_shown = true;
1680
1681    if(!isset($MSG)) return;
1682
1683    $shown = array();
1684    foreach($MSG as $msg){
1685        $hash = md5($msg['msg']);
1686        if(isset($shown[$hash])) continue; // skip double messages
1687        if(info_msg_allowed($msg)){
1688            print '<div class="'.$msg['lvl'].'">';
1689            print $msg['msg'];
1690            print '</div>';
1691        }
1692        $shown[$hash] = 1;
1693    }
1694
1695    unset($GLOBALS['MSG']);
1696}
1697
1698/**
1699 * Prints the registration form
1700 *
1701 * @author Andreas Gohr <andi@splitbrain.org>
1702 */
1703function html_register(){
1704    global $lang;
1705    global $conf;
1706    global $INPUT;
1707
1708    $base_attrs = array('size'=>50,'required'=>'required');
1709    $email_attrs = $base_attrs + array('type'=>'email','class'=>'edit');
1710
1711    print p_locale_xhtml('register');
1712    print '<div class="centeralign">'.NL;
1713    $form = new Doku_Form(array('id' => 'dw__register'));
1714    $form->startFieldset($lang['btn_register']);
1715    $form->addHidden('do', 'register');
1716    $form->addHidden('save', '1');
1717    $form->addElement(form_makeTextField('login', $INPUT->post->str('login'), $lang['user'], '', 'block', $base_attrs));
1718    if (!$conf['autopasswd']) {
1719        $form->addElement(form_makePasswordField('pass', $lang['pass'], '', 'block', $base_attrs));
1720        $form->addElement(form_makePasswordField('passchk', $lang['passchk'], '', 'block', $base_attrs));
1721    }
1722    $form->addElement(form_makeTextField('fullname', $INPUT->post->str('fullname'), $lang['fullname'], '', 'block', $base_attrs));
1723    $form->addElement(form_makeField('email','email', $INPUT->post->str('email'), $lang['email'], '', 'block', $email_attrs));
1724    $form->addElement(form_makeButton('submit', '', $lang['btn_register']));
1725    $form->endFieldset();
1726    html_form('register', $form);
1727
1728    print '</div>'.NL;
1729}
1730
1731/**
1732 * Print the update profile form
1733 *
1734 * @author Christopher Smith <chris@jalakai.co.uk>
1735 * @author Andreas Gohr <andi@splitbrain.org>
1736 */
1737function html_updateprofile(){
1738    global $lang;
1739    global $conf;
1740    global $INPUT;
1741    global $INFO;
1742    /** @var DokuWiki_Auth_Plugin $auth */
1743    global $auth;
1744
1745    print p_locale_xhtml('updateprofile');
1746    print '<div class="centeralign">'.NL;
1747
1748    $fullname = $INPUT->post->str('fullname', $INFO['userinfo']['name'], true);
1749    $email = $INPUT->post->str('email', $INFO['userinfo']['mail'], true);
1750    $form = new Doku_Form(array('id' => 'dw__register'));
1751    $form->startFieldset($lang['profile']);
1752    $form->addHidden('do', 'profile');
1753    $form->addHidden('save', '1');
1754    $form->addElement(form_makeTextField('login', $_SERVER['REMOTE_USER'], $lang['user'], '', 'block', array('size'=>'50', 'disabled'=>'disabled')));
1755    $attr = array('size'=>'50');
1756    if (!$auth->canDo('modName')) $attr['disabled'] = 'disabled';
1757    $form->addElement(form_makeTextField('fullname', $fullname, $lang['fullname'], '', 'block', $attr));
1758    $attr = array('size'=>'50', 'class'=>'edit');
1759    if (!$auth->canDo('modMail')) $attr['disabled'] = 'disabled';
1760    $form->addElement(form_makeField('email','email', $email, $lang['email'], '', 'block', $attr));
1761    $form->addElement(form_makeTag('br'));
1762    if ($auth->canDo('modPass')) {
1763        $form->addElement(form_makePasswordField('newpass', $lang['newpass'], '', 'block', array('size'=>'50')));
1764        $form->addElement(form_makePasswordField('passchk', $lang['passchk'], '', 'block', array('size'=>'50')));
1765    }
1766    if ($conf['profileconfirm']) {
1767        $form->addElement(form_makeTag('br'));
1768        $form->addElement(form_makePasswordField('oldpass', $lang['oldpass'], '', 'block', array('size'=>'50', 'required' => 'required')));
1769    }
1770    $form->addElement(form_makeButton('submit', '', $lang['btn_save']));
1771    $form->addElement(form_makeButton('reset', '', $lang['btn_reset']));
1772
1773    $form->endFieldset();
1774    html_form('updateprofile', $form);
1775
1776    if ($auth->canDo('delUser') && actionOK('profile_delete')) {
1777        $form_profiledelete = new Doku_Form(array('id' => 'dw__profiledelete'));
1778        $form_profiledelete->startFieldset($lang['profdeleteuser']);
1779        $form_profiledelete->addHidden('do', 'profile_delete');
1780        $form_profiledelete->addHidden('delete', '1');
1781        $form_profiledelete->addElement(form_makeCheckboxField('confirm_delete', '1', $lang['profconfdelete'],'dw__confirmdelete','', array('required' => 'required')));
1782        if ($conf['profileconfirm']) {
1783            $form_profiledelete->addElement(form_makeTag('br'));
1784            $form_profiledelete->addElement(form_makePasswordField('oldpass', $lang['oldpass'], '', 'block', array('size'=>'50', 'required' => 'required')));
1785        }
1786        $form_profiledelete->addElement(form_makeButton('submit', '', $lang['btn_deleteuser']));
1787        $form_profiledelete->endFieldset();
1788
1789        html_form('profiledelete', $form_profiledelete);
1790    }
1791
1792    print '</div>'.NL;
1793}
1794
1795/**
1796 * Preprocess edit form data
1797 *
1798 * @author   Andreas Gohr <andi@splitbrain.org>
1799 *
1800 * @triggers HTML_EDITFORM_OUTPUT
1801 */
1802function html_edit(){
1803    global $INPUT;
1804    global $ID;
1805    global $REV;
1806    global $DATE;
1807    global $PRE;
1808    global $SUF;
1809    global $INFO;
1810    global $SUM;
1811    global $lang;
1812    global $conf;
1813    global $TEXT;
1814
1815    if ($INPUT->has('changecheck')) {
1816        $check = $INPUT->str('changecheck');
1817    } elseif(!$INFO['exists']){
1818        // $TEXT has been loaded from page template
1819        $check = md5('');
1820    } else {
1821        $check = md5($TEXT);
1822    }
1823    $mod = md5($TEXT) !== $check;
1824
1825    $wr = $INFO['writable'] && !$INFO['locked'];
1826    $include = 'edit';
1827    if($wr){
1828        if ($REV) $include = 'editrev';
1829    }else{
1830        // check pseudo action 'source'
1831        if(!actionOK('source')){
1832            msg('Command disabled: source',-1);
1833            return;
1834        }
1835        $include = 'read';
1836    }
1837
1838    global $license;
1839
1840    $form = new Doku_Form(array('id' => 'dw__editform'));
1841    $form->addHidden('id', $ID);
1842    $form->addHidden('rev', $REV);
1843    $form->addHidden('date', $DATE);
1844    $form->addHidden('prefix', $PRE . '.');
1845    $form->addHidden('suffix', $SUF);
1846    $form->addHidden('changecheck', $check);
1847
1848    $data = array('form' => $form,
1849                  'wr'   => $wr,
1850                  'media_manager' => true,
1851                  'target' => ($INPUT->has('target') && $wr) ? $INPUT->str('target') : 'section',
1852                  'intro_locale' => $include);
1853
1854    if ($data['target'] !== 'section') {
1855        // Only emit event if page is writable, section edit data is valid and
1856        // edit target is not section.
1857        trigger_event('HTML_EDIT_FORMSELECTION', $data, 'html_edit_form', true);
1858    } else {
1859        html_edit_form($data);
1860    }
1861    if (isset($data['intro_locale'])) {
1862        echo p_locale_xhtml($data['intro_locale']);
1863    }
1864
1865    $form->addHidden('target', $data['target']);
1866    $form->addElement(form_makeOpenTag('div', array('id'=>'wiki__editbar', 'class'=>'editBar')));
1867    $form->addElement(form_makeOpenTag('div', array('id'=>'size__ctl')));
1868    $form->addElement(form_makeCloseTag('div'));
1869    if ($wr) {
1870        $form->addElement(form_makeOpenTag('div', array('class'=>'editButtons')));
1871        $form->addElement(form_makeButton('submit', 'save', $lang['btn_save'], array('id'=>'edbtn__save', 'accesskey'=>'s', 'tabindex'=>'4')));
1872        $form->addElement(form_makeButton('submit', 'preview', $lang['btn_preview'], array('id'=>'edbtn__preview', 'accesskey'=>'p', 'tabindex'=>'5')));
1873        $form->addElement(form_makeButton('submit', 'draftdel', $lang['btn_cancel'], array('tabindex'=>'6')));
1874        $form->addElement(form_makeCloseTag('div'));
1875        $form->addElement(form_makeOpenTag('div', array('class'=>'summary')));
1876        $form->addElement(form_makeTextField('summary', $SUM, $lang['summary'], 'edit__summary', 'nowrap', array('size'=>'50', 'tabindex'=>'2')));
1877        $elem = html_minoredit();
1878        if ($elem) $form->addElement($elem);
1879        $form->addElement(form_makeCloseTag('div'));
1880    }
1881    $form->addElement(form_makeCloseTag('div'));
1882    if($wr && $conf['license']){
1883        $form->addElement(form_makeOpenTag('div', array('class'=>'license')));
1884        $out  = $lang['licenseok'];
1885        $out .= ' <a href="'.$license[$conf['license']]['url'].'" rel="license" class="urlextern"';
1886        if($conf['target']['extern']) $out .= ' target="'.$conf['target']['extern'].'"';
1887        $out .= '>'.$license[$conf['license']]['name'].'</a>';
1888        $form->addElement($out);
1889        $form->addElement(form_makeCloseTag('div'));
1890    }
1891
1892    if ($wr) {
1893        // sets changed to true when previewed
1894        echo '<script type="text/javascript">/*<![CDATA[*/'. NL;
1895        echo 'textChanged = ' . ($mod ? 'true' : 'false');
1896        echo '/*!]]>*/</script>' . NL;
1897    } ?>
1898    <div class="editBox" role="application">
1899
1900    <div class="toolbar group">
1901        <div id="draft__status"><?php if(!empty($INFO['draft'])) echo $lang['draftdate'].' '.dformat();?></div>
1902        <div id="tool__bar"><?php if ($wr && $data['media_manager']){?><a href="<?php echo DOKU_BASE?>lib/exe/mediamanager.php?ns=<?php echo $INFO['namespace']?>"
1903            target="_blank"><?php echo $lang['mediaselect'] ?></a><?php }?></div>
1904    </div>
1905    <?php
1906
1907    html_form('edit', $form);
1908    print '</div>'.NL;
1909}
1910
1911/**
1912 * Display the default edit form
1913 *
1914 * Is the default action for HTML_EDIT_FORMSELECTION.
1915 *
1916 * @param mixed[] $param
1917 */
1918function html_edit_form($param) {
1919    global $TEXT;
1920
1921    if ($param['target'] !== 'section') {
1922        msg('No editor for edit target ' . hsc($param['target']) . ' found.', -1);
1923    }
1924
1925    $attr = array('tabindex'=>'1');
1926    if (!$param['wr']) $attr['readonly'] = 'readonly';
1927
1928    $param['form']->addElement(form_makeWikiText($TEXT, $attr));
1929}
1930
1931/**
1932 * Adds a checkbox for minor edits for logged in users
1933 *
1934 * @author Andreas Gohr <andi@splitbrain.org>
1935 *
1936 * @return array|bool
1937 */
1938function html_minoredit(){
1939    global $conf;
1940    global $lang;
1941    global $INPUT;
1942    // minor edits are for logged in users only
1943    if(!$conf['useacl'] || !$_SERVER['REMOTE_USER']){
1944        return false;
1945    }
1946
1947    $p = array();
1948    $p['tabindex'] = 3;
1949    if($INPUT->bool('minor')) $p['checked']='checked';
1950    return form_makeCheckboxField('minor', '1', $lang['minoredit'], 'minoredit', 'nowrap', $p);
1951}
1952
1953/**
1954 * prints some debug info
1955 *
1956 * @author Andreas Gohr <andi@splitbrain.org>
1957 */
1958function html_debug(){
1959    global $conf;
1960    global $lang;
1961    /** @var DokuWiki_Auth_Plugin $auth */
1962    global $auth;
1963    global $INFO;
1964
1965    //remove sensitive data
1966    $cnf = $conf;
1967    debug_guard($cnf);
1968    $nfo = $INFO;
1969    debug_guard($nfo);
1970    $ses = $_SESSION;
1971    debug_guard($ses);
1972
1973    print '<html><body>';
1974
1975    print '<p>When reporting bugs please send all the following ';
1976    print 'output as a mail to andi@splitbrain.org ';
1977    print 'The best way to do this is to save this page in your browser</p>';
1978
1979    print '<b>$INFO:</b><pre>';
1980    print_r($nfo);
1981    print '</pre>';
1982
1983    print '<b>$_SERVER:</b><pre>';
1984    print_r($_SERVER);
1985    print '</pre>';
1986
1987    print '<b>$conf:</b><pre>';
1988    print_r($cnf);
1989    print '</pre>';
1990
1991    print '<b>DOKU_BASE:</b><pre>';
1992    print DOKU_BASE;
1993    print '</pre>';
1994
1995    print '<b>abs DOKU_BASE:</b><pre>';
1996    print DOKU_URL;
1997    print '</pre>';
1998
1999    print '<b>rel DOKU_BASE:</b><pre>';
2000    print dirname($_SERVER['PHP_SELF']).'/';
2001    print '</pre>';
2002
2003    print '<b>PHP Version:</b><pre>';
2004    print phpversion();
2005    print '</pre>';
2006
2007    print '<b>locale:</b><pre>';
2008    print setlocale(LC_ALL,0);
2009    print '</pre>';
2010
2011    print '<b>encoding:</b><pre>';
2012    print $lang['encoding'];
2013    print '</pre>';
2014
2015    if($auth){
2016        print '<b>Auth backend capabilities:</b><pre>';
2017        foreach ($auth->getCapabilities() as $cando){
2018            print '   '.str_pad($cando,16) . ' => ' . (int)$auth->canDo($cando) . NL;
2019        }
2020        print '</pre>';
2021    }
2022
2023    print '<b>$_SESSION:</b><pre>';
2024    print_r($ses);
2025    print '</pre>';
2026
2027    print '<b>Environment:</b><pre>';
2028    print_r($_ENV);
2029    print '</pre>';
2030
2031    print '<b>PHP settings:</b><pre>';
2032    $inis = ini_get_all();
2033    print_r($inis);
2034    print '</pre>';
2035
2036    if (function_exists('apache_get_version')) {
2037        $apache = array();
2038        $apache['version'] = apache_get_version();
2039
2040        if (function_exists('apache_get_modules')) {
2041            $apache['modules'] = apache_get_modules();
2042        }
2043        print '<b>Apache</b><pre>';
2044        print_r($apache);
2045        print '</pre>';
2046    }
2047
2048    print '</body></html>';
2049}
2050
2051/**
2052 * List available Administration Tasks
2053 *
2054 * @author Andreas Gohr <andi@splitbrain.org>
2055 * @author Håkan Sandell <hakan.sandell@home.se>
2056 */
2057function html_admin(){
2058    global $ID;
2059    global $INFO;
2060    global $conf;
2061    /** @var DokuWiki_Auth_Plugin $auth */
2062    global $auth;
2063
2064    // build menu of admin functions from the plugins that handle them
2065    $pluginlist = plugin_list('admin');
2066    $menu = array();
2067    foreach ($pluginlist as $p) {
2068        /** @var DokuWiki_Admin_Plugin $obj */
2069        if(($obj = plugin_load('admin',$p)) === null) continue;
2070
2071        // check permissions
2072        if($obj->forAdminOnly() && !$INFO['isadmin']) continue;
2073
2074        $menu[$p] = array('plugin' => $p,
2075                'prompt' => $obj->getMenuText($conf['lang']),
2076                'sort' => $obj->getMenuSort()
2077                );
2078    }
2079
2080    // data security check
2081    // simple check if the 'savedir' is relative and accessible when appended to DOKU_URL
2082    // it verifies either:
2083    //   'savedir' has been moved elsewhere, or
2084    //   has protection to prevent the webserver serving files from it
2085    if (substr($conf['savedir'],0,2) == './'){
2086        echo '<a style="border:none; float:right;"
2087                href="http://www.dokuwiki.org/security#web_access_security">
2088                <img src="'.DOKU_URL.$conf['savedir'].'/security.png" alt="Your data directory seems to be protected properly."
2089                onerror="this.parentNode.style.display=\'none\'" /></a>';
2090    }
2091
2092    print p_locale_xhtml('admin');
2093
2094    // Admin Tasks
2095    if($INFO['isadmin']){
2096        ptln('<ul class="admin_tasks">');
2097
2098        if($menu['usermanager'] && $auth && $auth->canDo('getUsers')){
2099            ptln('  <li class="admin_usermanager"><div class="li">'.
2100                    '<a href="'.wl($ID, array('do' => 'admin','page' => 'usermanager')).'">'.
2101                    $menu['usermanager']['prompt'].'</a></div></li>');
2102        }
2103        unset($menu['usermanager']);
2104
2105        if($menu['acl']){
2106            ptln('  <li class="admin_acl"><div class="li">'.
2107                    '<a href="'.wl($ID, array('do' => 'admin','page' => 'acl')).'">'.
2108                    $menu['acl']['prompt'].'</a></div></li>');
2109        }
2110        unset($menu['acl']);
2111
2112        if($menu['extension']){
2113            ptln('  <li class="admin_plugin"><div class="li">'.
2114                    '<a href="'.wl($ID, array('do' => 'admin','page' => 'extension')).'">'.
2115                    $menu['extension']['prompt'].'</a></div></li>');
2116        }
2117        unset($menu['extension']);
2118
2119        if($menu['config']){
2120            ptln('  <li class="admin_config"><div class="li">'.
2121                    '<a href="'.wl($ID, array('do' => 'admin','page' => 'config')).'">'.
2122                    $menu['config']['prompt'].'</a></div></li>');
2123        }
2124        unset($menu['config']);
2125
2126        if($menu['styling']){
2127            ptln('  <li class="admin_styling"><div class="li">'.
2128                '<a href="'.wl($ID, array('do' => 'admin','page' => 'styling')).'">'.
2129                $menu['styling']['prompt'].'</a></div></li>');
2130        }
2131        unset($menu['styling']);
2132    }
2133    ptln('</ul>');
2134
2135    // Manager Tasks
2136    ptln('<ul class="admin_tasks">');
2137
2138    if($menu['revert']){
2139        ptln('  <li class="admin_revert"><div class="li">'.
2140                '<a href="'.wl($ID, array('do' => 'admin','page' => 'revert')).'">'.
2141                $menu['revert']['prompt'].'</a></div></li>');
2142    }
2143    unset($menu['revert']);
2144
2145    if($menu['popularity']){
2146        ptln('  <li class="admin_popularity"><div class="li">'.
2147                '<a href="'.wl($ID, array('do' => 'admin','page' => 'popularity')).'">'.
2148                $menu['popularity']['prompt'].'</a></div></li>');
2149    }
2150    unset($menu['popularity']);
2151
2152    // print DokuWiki version:
2153    ptln('</ul>');
2154    echo '<div id="admin__version">';
2155    echo getVersion();
2156    echo '</div>';
2157
2158    // print the rest as sorted list
2159    if(count($menu)){
2160        // sort by name, then sort
2161        usort(
2162            $menu,
2163            function ($a, $b) {
2164                $strcmp = strcasecmp($a['prompt'], $b['prompt']);
2165                if($strcmp != 0) return $strcmp;
2166                if($a['sort'] == $b['sort']) return 0;
2167                return ($a['sort'] < $b['sort']) ? -1 : 1;
2168            }
2169        );
2170
2171        // output the menu
2172        ptln('<div class="clearer"></div>');
2173        print p_locale_xhtml('adminplugins');
2174        ptln('<ul>');
2175        foreach ($menu as $item) {
2176            if (!$item['prompt']) continue;
2177            ptln('  <li><div class="li"><a href="'.wl($ID, 'do=admin&amp;page='.$item['plugin']).'">'.$item['prompt'].'</a></div></li>');
2178        }
2179        ptln('</ul>');
2180    }
2181}
2182
2183/**
2184 * Form to request a new password for an existing account
2185 *
2186 * @author Benoit Chesneau <benoit@bchesneau.info>
2187 * @author Andreas Gohr <gohr@cosmocode.de>
2188 */
2189function html_resendpwd() {
2190    global $lang;
2191    global $conf;
2192    global $INPUT;
2193
2194    $token = preg_replace('/[^a-f0-9]+/','',$INPUT->str('pwauth'));
2195
2196    if(!$conf['autopasswd'] && $token){
2197        print p_locale_xhtml('resetpwd');
2198        print '<div class="centeralign">'.NL;
2199        $form = new Doku_Form(array('id' => 'dw__resendpwd'));
2200        $form->startFieldset($lang['btn_resendpwd']);
2201        $form->addHidden('token', $token);
2202        $form->addHidden('do', 'resendpwd');
2203
2204        $form->addElement(form_makePasswordField('pass', $lang['pass'], '', 'block', array('size'=>'50')));
2205        $form->addElement(form_makePasswordField('passchk', $lang['passchk'], '', 'block', array('size'=>'50')));
2206
2207        $form->addElement(form_makeButton('submit', '', $lang['btn_resendpwd']));
2208        $form->endFieldset();
2209        html_form('resendpwd', $form);
2210        print '</div>'.NL;
2211    }else{
2212        print p_locale_xhtml('resendpwd');
2213        print '<div class="centeralign">'.NL;
2214        $form = new Doku_Form(array('id' => 'dw__resendpwd'));
2215        $form->startFieldset($lang['resendpwd']);
2216        $form->addHidden('do', 'resendpwd');
2217        $form->addHidden('save', '1');
2218        $form->addElement(form_makeTag('br'));
2219        $form->addElement(form_makeTextField('login', $INPUT->post->str('login'), $lang['user'], '', 'block'));
2220        $form->addElement(form_makeTag('br'));
2221        $form->addElement(form_makeTag('br'));
2222        $form->addElement(form_makeButton('submit', '', $lang['btn_resendpwd']));
2223        $form->endFieldset();
2224        html_form('resendpwd', $form);
2225        print '</div>'.NL;
2226    }
2227}
2228
2229/**
2230 * Return the TOC rendered to XHTML
2231 *
2232 * @author Andreas Gohr <andi@splitbrain.org>
2233 *
2234 * @param array $toc
2235 * @return string html
2236 */
2237function html_TOC($toc){
2238    if(!count($toc)) return '';
2239    global $lang;
2240    $out  = '<!-- TOC START -->'.DOKU_LF;
2241    $out .= '<div id="dw__toc">'.DOKU_LF;
2242    $out .= '<h3 class="toggle">';
2243    $out .= $lang['toc'];
2244    $out .= '</h3>'.DOKU_LF;
2245    $out .= '<div>'.DOKU_LF;
2246    $out .= html_buildlist($toc,'toc','html_list_toc','html_li_default',true);
2247    $out .= '</div>'.DOKU_LF.'</div>'.DOKU_LF;
2248    $out .= '<!-- TOC END -->'.DOKU_LF;
2249    return $out;
2250}
2251
2252/**
2253 * Callback for html_buildlist
2254 *
2255 * @param array $item
2256 * @return string html
2257 */
2258function html_list_toc($item){
2259    if(isset($item['hid'])){
2260        $link = '#'.$item['hid'];
2261    }else{
2262        $link = $item['link'];
2263    }
2264
2265    return '<a href="'.$link.'">'.hsc($item['title']).'</a>';
2266}
2267
2268/**
2269 * Helper function to build TOC items
2270 *
2271 * Returns an array ready to be added to a TOC array
2272 *
2273 * @param string $link  - where to link (if $hash set to '#' it's a local anchor)
2274 * @param string $text  - what to display in the TOC
2275 * @param int    $level - nesting level
2276 * @param string $hash  - is prepended to the given $link, set blank if you want full links
2277 * @return array the toc item
2278 */
2279function html_mktocitem($link, $text, $level, $hash='#'){
2280    return  array( 'link'  => $hash.$link,
2281            'title' => $text,
2282            'type'  => 'ul',
2283            'level' => $level);
2284}
2285
2286/**
2287 * Output a Doku_Form object.
2288 * Triggers an event with the form name: HTML_{$name}FORM_OUTPUT
2289 *
2290 * @author Tom N Harris <tnharris@whoopdedo.org>
2291 *
2292 * @param string     $name The name of the form
2293 * @param Doku_Form  $form The form
2294 */
2295function html_form($name, &$form) {
2296    // Safety check in case the caller forgets.
2297    $form->endFieldset();
2298    trigger_event('HTML_'.strtoupper($name).'FORM_OUTPUT', $form, 'html_form_output', false);
2299}
2300
2301/**
2302 * Form print function.
2303 * Just calls printForm() on the data object.
2304 *
2305 * @param Doku_Form $data The form
2306 */
2307function html_form_output($data) {
2308    $data->printForm();
2309}
2310
2311/**
2312 * Embed a flash object in HTML
2313 *
2314 * This will create the needed HTML to embed a flash movie in a cross browser
2315 * compatble way using valid XHTML
2316 *
2317 * The parameters $params, $flashvars and $atts need to be associative arrays.
2318 * No escaping needs to be done for them. The alternative content *has* to be
2319 * escaped because it is used as is. If no alternative content is given
2320 * $lang['noflash'] is used.
2321 *
2322 * @author Andreas Gohr <andi@splitbrain.org>
2323 * @link   http://latrine.dgx.cz/how-to-correctly-insert-a-flash-into-xhtml
2324 *
2325 * @param string $swf      - the SWF movie to embed
2326 * @param int $width       - width of the flash movie in pixels
2327 * @param int $height      - height of the flash movie in pixels
2328 * @param array $params    - additional parameters (<param>)
2329 * @param array $flashvars - parameters to be passed in the flashvar parameter
2330 * @param array $atts      - additional attributes for the <object> tag
2331 * @param string $alt      - alternative content (is NOT automatically escaped!)
2332 * @return string         - the XHTML markup
2333 */
2334function html_flashobject($swf,$width,$height,$params=null,$flashvars=null,$atts=null,$alt=''){
2335    global $lang;
2336
2337    $out = '';
2338
2339    // prepare the object attributes
2340    if(is_null($atts)) $atts = array();
2341    $atts['width']  = (int) $width;
2342    $atts['height'] = (int) $height;
2343    if(!$atts['width'])  $atts['width']  = 425;
2344    if(!$atts['height']) $atts['height'] = 350;
2345
2346    // add object attributes for standard compliant browsers
2347    $std = $atts;
2348    $std['type'] = 'application/x-shockwave-flash';
2349    $std['data'] = $swf;
2350
2351    // add object attributes for IE
2352    $ie  = $atts;
2353    $ie['classid'] = 'clsid:D27CDB6E-AE6D-11cf-96B8-444553540000';
2354
2355    // open object (with conditional comments)
2356    $out .= '<!--[if !IE]> -->'.NL;
2357    $out .= '<object '.buildAttributes($std).'>'.NL;
2358    $out .= '<!-- <![endif]-->'.NL;
2359    $out .= '<!--[if IE]>'.NL;
2360    $out .= '<object '.buildAttributes($ie).'>'.NL;
2361    $out .= '    <param name="movie" value="'.hsc($swf).'" />'.NL;
2362    $out .= '<!--><!-- -->'.NL;
2363
2364    // print params
2365    if(is_array($params)) foreach($params as $key => $val){
2366        $out .= '  <param name="'.hsc($key).'" value="'.hsc($val).'" />'.NL;
2367    }
2368
2369    // add flashvars
2370    if(is_array($flashvars)){
2371        $out .= '  <param name="FlashVars" value="'.buildURLparams($flashvars).'" />'.NL;
2372    }
2373
2374    // alternative content
2375    if($alt){
2376        $out .= $alt.NL;
2377    }else{
2378        $out .= $lang['noflash'].NL;
2379    }
2380
2381    // finish
2382    $out .= '</object>'.NL;
2383    $out .= '<!-- <![endif]-->'.NL;
2384
2385    return $out;
2386}
2387
2388/**
2389 * Prints HTML code for the given tab structure
2390 *
2391 * @param array  $tabs        tab structure
2392 * @param string $current_tab the current tab id
2393 */
2394function html_tabs($tabs, $current_tab = null) {
2395    echo '<ul class="tabs">'.NL;
2396
2397    foreach($tabs as $id => $tab) {
2398        html_tab($tab['href'], $tab['caption'], $id === $current_tab);
2399    }
2400
2401    echo '</ul>'.NL;
2402}
2403
2404/**
2405 * Prints a single tab
2406 *
2407 * @author Kate Arzamastseva <pshns@ukr.net>
2408 * @author Adrian Lang <mail@adrianlang.de>
2409 *
2410 * @param string $href - tab href
2411 * @param string $caption - tab caption
2412 * @param boolean $selected - is tab selected
2413 */
2414
2415function html_tab($href, $caption, $selected=false) {
2416    $tab = '<li>';
2417    if ($selected) {
2418        $tab .= '<strong>';
2419    } else {
2420        $tab .= '<a href="' . hsc($href) . '">';
2421    }
2422    $tab .= hsc($caption)
2423         .  '</' . ($selected ? 'strong' : 'a') . '>'
2424         .  '</li>'.NL;
2425    echo $tab;
2426}
2427
2428/**
2429 * Display size change
2430 *
2431 * @param int $sizechange - size of change in Bytes
2432 * @param Doku_Form $form - form to add elements to
2433 */
2434
2435function html_sizechange($sizechange, Doku_Form $form) {
2436    if(isset($sizechange)) {
2437        $class = 'sizechange';
2438        $value = filesize_h(abs($sizechange));
2439        if($sizechange > 0) {
2440            $class .= ' positive';
2441            $value = '+' . $value;
2442        } elseif($sizechange < 0) {
2443            $class .= ' negative';
2444            $value = '-' . $value;
2445        } else {
2446            $value = '±' . $value;
2447        }
2448        $form->addElement(form_makeOpenTag('span', array('class' => $class)));
2449        $form->addElement($value);
2450        $form->addElement(form_makeCloseTag('span'));
2451    }
2452}
2453