xref: /dokuwiki/inc/html.php (revision 836f6efbf31a2a263102aea61ef0cc5d577aa9bb) 
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('SEC_EDIT_PATTERN')) {
10    define('SEC_EDIT_PATTERN', '#<!-- EDIT({.*?}) -->#');
11}
12
13
14/**
15 * Convenience function to quickly build a wikilink
16 *
17 * @author Andreas Gohr <andi@splitbrain.org>
18 * @param string  $id      id of the target page
19 * @param string  $name    the name of the link, i.e. the text that is displayed
20 * @param string|array  $search  search string(s) that shall be highlighted in the target page
21 * @return string the HTML code of the link
22 */
23function html_wikilink($id,$name=null,$search=''){
24    /** @var Doku_Renderer_xhtml $xhtml_renderer */
25    static $xhtml_renderer = null;
26    if(is_null($xhtml_renderer)){
27        $xhtml_renderer = p_get_renderer('xhtml');
28    }
29
30    return $xhtml_renderer->internallink($id,$name,$search,true,'navigation');
31}
32
33/**
34 * The loginform
35 *
36 * @author   Andreas Gohr <andi@splitbrain.org>
37 *
38 * @param bool $svg Whether to show svg icons in the register and resendpwd links or not
39 */
40function html_login($svg = false){
41    global $lang;
42    global $conf;
43    global $ID;
44    global $INPUT;
45
46    print p_locale_xhtml('login');
47    print '<div class="centeralign">'.NL;
48    $form = new Doku_Form(array('id' => 'dw__login'));
49    $form->startFieldset($lang['btn_login']);
50    $form->addHidden('id', $ID);
51    $form->addHidden('do', 'login');
52    $form->addElement(form_makeTextField(
53        'u',
54        ((!$INPUT->bool('http_credentials')) ? $INPUT->str('u') : ''),
55        $lang['user'],
56        'focus__this',
57        'block')
58    );
59    $form->addElement(form_makePasswordField('p', $lang['pass'], '', 'block'));
60    if($conf['rememberme']) {
61        $form->addElement(form_makeCheckboxField('r', '1', $lang['remember'], 'remember__me', 'simple'));
62    }
63    $form->addElement(form_makeButton('submit', '', $lang['btn_login']));
64    $form->endFieldset();
65
66    if(actionOK('register')){
67        $registerLink = (new \dokuwiki\Menu\Item\Register())->asHtmlLink('', $svg);
68        $form->addElement('<p>'.$lang['reghere'].': '. $registerLink .'</p>');
69    }
70
71    if (actionOK('resendpwd')) {
72        $resendPwLink = (new \dokuwiki\Menu\Item\Resendpwd())->asHtmlLink('', $svg);
73        $form->addElement('<p>'.$lang['pwdforget'].': '. $resendPwLink .'</p>');
74    }
75
76    html_form('login', $form);
77    print '</div>'.NL;
78}
79
80
81/**
82 * Denied page content
83 *
84 * @return string html
85 */
86function html_denied() {
87    print p_locale_xhtml('denied');
88
89    if(empty($_SERVER['REMOTE_USER'])){
90        html_login();
91    }
92}
93
94/**
95 * inserts section edit buttons if wanted or removes the markers
96 *
97 * @author Andreas Gohr <andi@splitbrain.org>
98 *
99 * @param string $text
100 * @param bool   $show show section edit buttons?
101 * @return string
102 */
103function html_secedit($text,$show=true){
104    global $INFO;
105
106    if(!$INFO['writable'] || !$show || $INFO['rev']){
107        return preg_replace(SEC_EDIT_PATTERN,'',$text);
108    }
109
110    return preg_replace_callback(SEC_EDIT_PATTERN,
111                'html_secedit_button', $text);
112}
113
114/**
115 * prepares section edit button data for event triggering
116 * used as a callback in html_secedit
117 *
118 * @author Andreas Gohr <andi@splitbrain.org>
119 *
120 * @param array $matches matches with regexp
121 * @return string
122 * @triggers HTML_SECEDIT_BUTTON
123 */
124function html_secedit_button($matches){
125    $json = htmlspecialchars_decode($matches[1], ENT_QUOTES);
126    $data = json_decode($json, true);
127    if ($data == NULL) {
128        return;
129    }
130    $data ['target'] = strtolower($data['target']);
131    $data ['hid'] = strtolower($data['hid']);
132
133    return trigger_event('HTML_SECEDIT_BUTTON', $data,
134                         'html_secedit_get_button');
135}
136
137/**
138 * prints a section editing button
139 * used as default action form HTML_SECEDIT_BUTTON
140 *
141 * @author Adrian Lang <lang@cosmocode.de>
142 *
143 * @param array $data name, section id and target
144 * @return string html
145 */
146function html_secedit_get_button($data) {
147    global $ID;
148    global $INFO;
149
150    if (!isset($data['name']) || $data['name'] === '') return '';
151
152    $name = $data['name'];
153    unset($data['name']);
154
155    $secid = $data['secid'];
156    unset($data['secid']);
157
158    return "<div class='secedit editbutton_" . $data['target'] .
159                       " editbutton_" . $secid . "'>" .
160           html_btn('secedit', $ID, '',
161                    array_merge(array('do'  => 'edit',
162                                      'rev' => $INFO['lastmod'],
163                                      'summary' => '['.$name.'] '), $data),
164                    'post', $name) . '</div>';
165}
166
167/**
168 * Just the back to top button (in its own form)
169 *
170 * @author Andreas Gohr <andi@splitbrain.org>
171 *
172 * @return string html
173 */
174function html_topbtn(){
175    global $lang;
176
177    $ret = '<a class="nolink" href="#dokuwiki__top">' .
178        '<button class="button" onclick="window.scrollTo(0, 0)" title="' . $lang['btn_top'] . '">' .
179        $lang['btn_top'] .
180        '</button></a>';
181
182    return $ret;
183}
184
185/**
186 * Displays a button (using its own form)
187 * If tooltip exists, the access key tooltip is replaced.
188 *
189 * @author Andreas Gohr <andi@splitbrain.org>
190 *
191 * @param string         $name
192 * @param string         $id
193 * @param string         $akey   access key
194 * @param string[] $params key-value pairs added as hidden inputs
195 * @param string         $method
196 * @param string         $tooltip
197 * @param bool|string    $label  label text, false: lookup btn_$name in localization
198 * @param string         $svg (optional) svg code, inserted into the button
199 * @return string
200 */
201function html_btn($name, $id, $akey, $params, $method='get', $tooltip='', $label=false, $svg=null){
202    global $conf;
203    global $lang;
204
205    if (!$label)
206        $label = $lang['btn_'.$name];
207
208    $ret = '';
209
210    //filter id (without urlencoding)
211    $id = idfilter($id,false);
212
213    //make nice URLs even for buttons
214    if($conf['userewrite'] == 2){
215        $script = DOKU_BASE.DOKU_SCRIPT.'/'.$id;
216    }elseif($conf['userewrite']){
217        $script = DOKU_BASE.$id;
218    }else{
219        $script = DOKU_BASE.DOKU_SCRIPT;
220        $params['id'] = $id;
221    }
222
223    $ret .= '<form class="button btn_'.$name.'" method="'.$method.'" action="'.$script.'"><div class="no">';
224
225    if(is_array($params)){
226        foreach($params as $key => $val) {
227            $ret .= '<input type="hidden" name="'.$key.'" ';
228            $ret .= 'value="'.hsc($val).'" />';
229        }
230    }
231
232    if ($tooltip!='') {
233        $tip = hsc($tooltip);
234    }else{
235        $tip = hsc($label);
236    }
237
238    $ret .= '<button type="submit" ';
239    if($akey){
240        $tip .= ' ['.strtoupper($akey).']';
241        $ret .= 'accesskey="'.$akey.'" ';
242    }
243    $ret .= 'title="'.$tip.'">';
244    if ($svg) {
245        $ret .= '<span>' . hsc($label) . '</span>';
246        $ret .= inlineSVG($svg);
247    } else {
248        $ret .= hsc($label);
249    }
250    $ret .= '</button>';
251    $ret .= '</div></form>';
252
253    return $ret;
254}
255/**
256 * show a revision warning
257 *
258 * @author Szymon Olewniczak <dokuwiki@imz.re>
259 */
260function html_showrev() {
261    print p_locale_xhtml('showrev');
262}
263
264/**
265 * Show a wiki page
266 *
267 * @author Andreas Gohr <andi@splitbrain.org>
268 *
269 * @param null|string $txt wiki text or null for showing $ID
270 */
271function html_show($txt=null){
272    global $ID;
273    global $REV;
274    global $HIGH;
275    global $INFO;
276    global $DATE_AT;
277    //disable section editing for old revisions or in preview
278    if($txt || $REV){
279        $secedit = false;
280    }else{
281        $secedit = true;
282    }
283
284    if (!is_null($txt)){
285        //PreviewHeader
286        echo '<br id="scroll__here" />';
287        echo p_locale_xhtml('preview');
288        echo '<div class="preview"><div class="pad">';
289        $html = html_secedit(p_render('xhtml',p_get_instructions($txt),$info),$secedit);
290        if($INFO['prependTOC']) $html = tpl_toc(true).$html;
291        echo $html;
292        echo '<div class="clearer"></div>';
293        echo '</div></div>';
294
295    }else{
296        if ($REV||$DATE_AT){
297            $data = array('rev' => &$REV, 'date_at' => &$DATE_AT);
298            trigger_event('HTML_SHOWREV_OUTPUT', $data, 'html_showrev');
299        }
300        $html = p_wiki_xhtml($ID,$REV,true,$DATE_AT);
301        $html = html_secedit($html,$secedit);
302        if($INFO['prependTOC']) $html = tpl_toc(true).$html;
303        $html = html_hilight($html,$HIGH);
304        echo $html;
305    }
306}
307
308/**
309 * ask the user about how to handle an exisiting draft
310 *
311 * @author Andreas Gohr <andi@splitbrain.org>
312 */
313function html_draft(){
314    global $INFO;
315    global $ID;
316    global $lang;
317    $draft = unserialize(io_readFile($INFO['draft'],false));
318    $text  = cleanText(con($draft['prefix'],$draft['text'],$draft['suffix'],true));
319
320    print p_locale_xhtml('draft');
321    html_diff($text, false);
322    $form = new Doku_Form(array('id' => 'dw__editform'));
323    $form->addHidden('id', $ID);
324    $form->addHidden('date', $draft['date']);
325    $form->addElement(form_makeOpenTag('div', array('id'=>'draft__status')));
326    $form->addElement($lang['draftdate'].' '. dformat(filemtime($INFO['draft'])));
327    $form->addElement(form_makeCloseTag('div'));
328    $form->addElement(form_makeButton('submit', 'recover', $lang['btn_recover'], array('tabindex'=>'1')));
329    $form->addElement(form_makeButton('submit', 'draftdel', $lang['btn_draftdel'], array('tabindex'=>'2')));
330    $form->addElement(form_makeButton('submit', 'show', $lang['btn_cancel'], array('tabindex'=>'3')));
331    html_form('draft', $form);
332}
333
334/**
335 * Highlights searchqueries in HTML code
336 *
337 * @author Andreas Gohr <andi@splitbrain.org>
338 * @author Harry Fuecks <hfuecks@gmail.com>
339 *
340 * @param string $html
341 * @param array|string $phrases
342 * @return string html
343 */
344function html_hilight($html,$phrases){
345    $phrases = (array) $phrases;
346    $phrases = array_map('preg_quote_cb', $phrases);
347    $phrases = array_map('ft_snippet_re_preprocess', $phrases);
348    $phrases = array_filter($phrases);
349    $regex = join('|',$phrases);
350
351    if ($regex === '') return $html;
352    if (!utf8_check($regex)) return $html;
353    $html = @preg_replace_callback("/((<[^>]*)|$regex)/ui",'html_hilight_callback',$html);
354    return $html;
355}
356
357/**
358 * Callback used by html_hilight()
359 *
360 * @author Harry Fuecks <hfuecks@gmail.com>
361 *
362 * @param array $m matches
363 * @return string html
364 */
365function html_hilight_callback($m) {
366    $hlight = unslash($m[0]);
367    if ( !isset($m[2])) {
368        $hlight = '<span class="search_hit">'.$hlight.'</span>';
369    }
370    return $hlight;
371}
372
373/**
374 * Display error on locked pages
375 *
376 * @author Andreas Gohr <andi@splitbrain.org>
377 */
378function html_locked(){
379    global $ID;
380    global $conf;
381    global $lang;
382    global $INFO;
383
384    $locktime = filemtime(wikiLockFN($ID));
385    $expire = dformat($locktime + $conf['locktime']);
386    $min    = round(($conf['locktime'] - (time() - $locktime) )/60);
387
388    print p_locale_xhtml('locked');
389    print '<ul>';
390    print '<li><div class="li"><strong>'.$lang['lockedby'].'</strong> '.editorinfo($INFO['locked']).'</div></li>';
391    print '<li><div class="li"><strong>'.$lang['lockexpire'].'</strong> '.$expire.' ('.$min.' min)</div></li>';
392    print '</ul>';
393}
394
395/**
396 * list old revisions
397 *
398 * @author Andreas Gohr <andi@splitbrain.org>
399 * @author Ben Coburn <btcoburn@silicodon.net>
400 * @author Kate Arzamastseva <pshns@ukr.net>
401 *
402 * @param int $first skip the first n changelog lines
403 * @param bool|string $media_id id of media, or false for current page
404 */
405function html_revisions($first=0, $media_id = false){
406    global $ID;
407    global $INFO;
408    global $conf;
409    global $lang;
410    $id = $ID;
411    if ($media_id) {
412        $id = $media_id;
413        $changelog = new MediaChangeLog($id);
414    } else {
415        $changelog = new PageChangeLog($id);
416    }
417
418    /* we need to get one additional log entry to be able to
419     * decide if this is the last page or is there another one.
420     * see html_recent()
421     */
422
423    $revisions = $changelog->getRevisions($first, $conf['recent']+1);
424
425    if(count($revisions)==0 && $first!=0){
426        $first=0;
427        $revisions = $changelog->getRevisions($first, $conf['recent']+1);
428    }
429    $hasNext = false;
430    if (count($revisions)>$conf['recent']) {
431        $hasNext = true;
432        array_pop($revisions); // remove extra log entry
433    }
434
435    if (!$media_id) print p_locale_xhtml('revisions');
436
437    $params = array('id' => 'page__revisions', 'class' => 'changes');
438    if($media_id) {
439        $params['action'] = media_managerURL(array('image' => $media_id), '&');
440    }
441
442    if(!$media_id) {
443        $exists = $INFO['exists'];
444        $display_name = useHeading('navigation') ? hsc(p_get_first_heading($id)) : $id;
445        if(!$display_name) {
446            $display_name = $id;
447        }
448    } else {
449        $exists = file_exists(mediaFN($id));
450        $display_name = $id;
451    }
452
453    $form = new Doku_Form($params);
454    $form->addElement(form_makeOpenTag('ul'));
455
456    if($exists && $first == 0) {
457        $minor = false;
458        if($media_id) {
459            $date = dformat(@filemtime(mediaFN($id)));
460            $href = media_managerURL(array('image' => $id, 'tab_details' => 'view'), '&');
461
462            $changelog->setChunkSize(1024);
463            $revinfo = $changelog->getRevisionInfo(@filemtime(fullpath(mediaFN($id))));
464
465            $summary = $revinfo['sum'];
466            if($revinfo['user']) {
467                $editor = $revinfo['user'];
468            } else {
469                $editor = $revinfo['ip'];
470            }
471            $sizechange = $revinfo['sizechange'];
472        } else {
473            $date = dformat($INFO['lastmod']);
474            if(isset($INFO['meta']) && isset($INFO['meta']['last_change'])) {
475                if($INFO['meta']['last_change']['type'] === DOKU_CHANGE_TYPE_MINOR_EDIT) {
476                    $minor = true;
477                }
478                if(isset($INFO['meta']['last_change']['sizechange'])) {
479                    $sizechange = $INFO['meta']['last_change']['sizechange'];
480                } else {
481                    $sizechange = null;
482                }
483            }
484            $pagelog = new PageChangeLog($ID);
485            $latestrev = $pagelog->getRevisions(-1, 1);
486            $latestrev = array_pop($latestrev);
487            $href = wl($id,"rev=$latestrev",false,'&');
488            $summary = $INFO['sum'];
489            $editor = $INFO['editor'];
490        }
491
492        $form->addElement(form_makeOpenTag('li', array('class' => ($minor ? 'minor' : ''))));
493        $form->addElement(form_makeOpenTag('div', array('class' => 'li')));
494        $form->addElement(form_makeTag('input', array(
495                        'type' => 'checkbox',
496                        'name' => 'rev2[]',
497                        'value' => 'current')));
498
499        $form->addElement(form_makeOpenTag('span', array('class' => 'date')));
500        $form->addElement($date);
501        $form->addElement(form_makeCloseTag('span'));
502
503        $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
504
505        $form->addElement(form_makeOpenTag('a', array(
506                        'class' => 'wikilink1',
507                        'href'  => $href)));
508        $form->addElement($display_name);
509        $form->addElement(form_makeCloseTag('a'));
510
511        if ($media_id) $form->addElement(form_makeOpenTag('div'));
512
513        if($summary) {
514            $form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
515            if(!$media_id) $form->addElement(' – ');
516            $form->addElement('<bdi>' . hsc($summary) . '</bdi>');
517            $form->addElement(form_makeCloseTag('span'));
518        }
519
520        $form->addElement(form_makeOpenTag('span', array('class' => 'user')));
521        $form->addElement((empty($editor))?('('.$lang['external_edit'].')'):'<bdi>'.editorinfo($editor).'</bdi>');
522        $form->addElement(form_makeCloseTag('span'));
523
524        html_sizechange($sizechange, $form);
525
526        $form->addElement('('.$lang['current'].')');
527
528        if ($media_id) $form->addElement(form_makeCloseTag('div'));
529
530        $form->addElement(form_makeCloseTag('div'));
531        $form->addElement(form_makeCloseTag('li'));
532    }
533
534    foreach($revisions as $rev) {
535        $date = dformat($rev);
536        $info = $changelog->getRevisionInfo($rev);
537        if($media_id) {
538            $exists = file_exists(mediaFN($id, $rev));
539        } else {
540            $exists = page_exists($id, $rev);
541        }
542
543        $class = '';
544        if($info['type'] === DOKU_CHANGE_TYPE_MINOR_EDIT) {
545            $class = 'minor';
546        }
547        $form->addElement(form_makeOpenTag('li', array('class' => $class)));
548        $form->addElement(form_makeOpenTag('div', array('class' => 'li')));
549        if($exists){
550            $form->addElement(form_makeTag('input', array(
551                            'type' => 'checkbox',
552                            'name' => 'rev2[]',
553                            'value' => $rev)));
554        }else{
555            $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
556        }
557
558        $form->addElement(form_makeOpenTag('span', array('class' => 'date')));
559        $form->addElement($date);
560        $form->addElement(form_makeCloseTag('span'));
561
562        if($exists){
563            if (!$media_id) {
564                $href = wl($id,"rev=$rev,do=diff", false, '&');
565            } else {
566                $href = media_managerURL(array('image' => $id, 'rev' => $rev, 'mediado' => 'diff'), '&');
567            }
568            $form->addElement(form_makeOpenTag('a', array(
569                            'class' => 'diff_link',
570                            'href' => $href)));
571            $form->addElement(form_makeTag('img', array(
572                            'src'    => DOKU_BASE.'lib/images/diff.png',
573                            'width'  => 15,
574                            'height' => 11,
575                            'title'  => $lang['diff'],
576                            'alt'    => $lang['diff'])));
577            $form->addElement(form_makeCloseTag('a'));
578
579            if (!$media_id) {
580                $href = wl($id,"rev=$rev",false,'&');
581            } else {
582                $href = media_managerURL(array('image' => $id, 'tab_details' => 'view', 'rev' => $rev), '&');
583            }
584            $form->addElement(form_makeOpenTag('a', array(
585                            'class' => 'wikilink1',
586                            'href' => $href)));
587            $form->addElement($display_name);
588            $form->addElement(form_makeCloseTag('a'));
589        }else{
590            $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
591            $form->addElement($display_name);
592        }
593
594        if ($media_id) $form->addElement(form_makeOpenTag('div'));
595
596        if ($info['sum']) {
597            $form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
598            if(!$media_id) $form->addElement(' – ');
599            $form->addElement('<bdi>'.hsc($info['sum']).'</bdi>');
600            $form->addElement(form_makeCloseTag('span'));
601        }
602
603        $form->addElement(form_makeOpenTag('span', array('class' => 'user')));
604        if($info['user']){
605            $form->addElement('<bdi>'.editorinfo($info['user']).'</bdi>');
606            if(auth_ismanager()){
607                $form->addElement(' <bdo dir="ltr">('.$info['ip'].')</bdo>');
608            }
609        }else{
610            $form->addElement('<bdo dir="ltr">'.$info['ip'].'</bdo>');
611        }
612        $form->addElement(form_makeCloseTag('span'));
613
614        html_sizechange($info['sizechange'], $form);
615
616        if ($media_id) $form->addElement(form_makeCloseTag('div'));
617
618        $form->addElement(form_makeCloseTag('div'));
619        $form->addElement(form_makeCloseTag('li'));
620    }
621    $form->addElement(form_makeCloseTag('ul'));
622    if (!$media_id) {
623        $form->addElement(form_makeButton('submit', 'diff', $lang['diff2']));
624    } else {
625        $form->addHidden('mediado', 'diff');
626        $form->addElement(form_makeButton('submit', '', $lang['diff2']));
627    }
628    html_form('revisions', $form);
629
630    print '<div class="pagenav">';
631    $last = $first + $conf['recent'];
632    if ($first > 0) {
633        $first -= $conf['recent'];
634        if ($first < 0) $first = 0;
635        print '<div class="pagenav-prev">';
636        if ($media_id) {
637            print html_btn('newer',$media_id,"p",media_managerURL(array('first' => $first), '&amp;', false, true));
638        } else {
639            print html_btn('newer',$id,"p",array('do' => 'revisions', 'first' => $first));
640        }
641        print '</div>';
642    }
643    if ($hasNext) {
644        print '<div class="pagenav-next">';
645        if ($media_id) {
646            print html_btn('older',$media_id,"n",media_managerURL(array('first' => $last), '&amp;', false, true));
647        } else {
648            print html_btn('older',$id,"n",array('do' => 'revisions', 'first' => $last));
649        }
650        print '</div>';
651    }
652    print '</div>';
653
654}
655
656/**
657 * display recent changes
658 *
659 * @author Andreas Gohr <andi@splitbrain.org>
660 * @author Matthias Grimm <matthiasgrimm@users.sourceforge.net>
661 * @author Ben Coburn <btcoburn@silicodon.net>
662 * @author Kate Arzamastseva <pshns@ukr.net>
663 *
664 * @param int $first
665 * @param string $show_changes
666 */
667function html_recent($first = 0, $show_changes = 'both') {
668    global $conf;
669    global $lang;
670    global $ID;
671    /* we need to get one additionally log entry to be able to
672     * decide if this is the last page or is there another one.
673     * This is the cheapest solution to get this information.
674     */
675    $flags = 0;
676    if($show_changes == 'mediafiles' && $conf['mediarevisions']) {
677        $flags = RECENTS_MEDIA_CHANGES;
678    } elseif($show_changes == 'pages') {
679        $flags = 0;
680    } elseif($conf['mediarevisions']) {
681        $show_changes = 'both';
682        $flags = RECENTS_MEDIA_PAGES_MIXED;
683    }
684
685    $recents = getRecents($first, $conf['recent'] + 1, getNS($ID), $flags);
686    if(count($recents) == 0 && $first != 0) {
687        $first = 0;
688        $recents = getRecents($first, $conf['recent'] + 1, getNS($ID), $flags);
689    }
690    $hasNext = false;
691    if(count($recents) > $conf['recent']) {
692        $hasNext = true;
693        array_pop($recents); // remove extra log entry
694    }
695
696    print p_locale_xhtml('recent');
697
698    if(getNS($ID) != '') {
699        print '<div class="level1"><p>' .
700            sprintf($lang['recent_global'], getNS($ID), wl('', 'do=recent')) .
701            '</p></div>';
702    }
703
704    $form = new Doku_Form(array('id' => 'dw__recent', 'method' => 'GET', 'class' => 'changes'));
705    $form->addHidden('sectok', null);
706    $form->addHidden('do', 'recent');
707    $form->addHidden('id', $ID);
708
709    if($conf['mediarevisions']) {
710        $form->addElement('<div class="changeType">');
711        $form->addElement(form_makeListboxField(
712                    'show_changes',
713                    array(
714                        'pages'      => $lang['pages_changes'],
715                        'mediafiles' => $lang['media_changes'],
716                        'both'       => $lang['both_changes']
717                    ),
718                    $show_changes,
719                    $lang['changes_type'],
720                    '', '',
721                    array('class' => 'quickselect')));
722
723        $form->addElement(form_makeButton('submit', 'recent', $lang['btn_apply']));
724        $form->addElement('</div>');
725    }
726
727    $form->addElement(form_makeOpenTag('ul'));
728
729    foreach($recents as $recent) {
730        $date = dformat($recent['date']);
731
732        $class = '';
733        if($recent['type'] === DOKU_CHANGE_TYPE_MINOR_EDIT) {
734            $class = 'minor';
735        }
736        $form->addElement(form_makeOpenTag('li', array('class' => $class)));
737        $form->addElement(form_makeOpenTag('div', array('class' => 'li')));
738
739        if(!empty($recent['media'])) {
740            $form->addElement(media_printicon($recent['id']));
741        } else {
742            $icon = DOKU_BASE . 'lib/images/fileicons/file.png';
743            $form->addElement('<img src="' . $icon . '" alt="' . $recent['id'] . '" class="icon" />');
744        }
745
746        $form->addElement(form_makeOpenTag('span', array('class' => 'date')));
747        $form->addElement($date);
748        $form->addElement(form_makeCloseTag('span'));
749
750        $diff = false;
751        $href = '';
752
753        if(!empty($recent['media'])) {
754            $changelog = new MediaChangeLog($recent['id']);
755            $revs = $changelog->getRevisions(0, 1);
756            $diff = (count($revs) && file_exists(mediaFN($recent['id'])));
757            if($diff) {
758                $href = media_managerURL(array(
759                                            'tab_details' => 'history',
760                                            'mediado' => 'diff',
761                                            'image' => $recent['id'],
762                                            'ns' => getNS($recent['id'])
763                                        ), '&');
764            }
765        } else {
766            $href = wl($recent['id'], "do=diff", false, '&');
767        }
768
769        if(!empty($recent['media']) && !$diff) {
770            $form->addElement('<img src="' . DOKU_BASE . 'lib/images/blank.gif" width="15" height="11" alt="" />');
771        } else {
772            $form->addElement(form_makeOpenTag('a', array('class' => 'diff_link', 'href' => $href)));
773            $form->addElement(form_makeTag('img', array(
774                            'src'    => DOKU_BASE . 'lib/images/diff.png',
775                            'width'  => 15,
776                            'height' => 11,
777                            'title'  => $lang['diff'],
778                            'alt'    => $lang['diff']
779                        )));
780            $form->addElement(form_makeCloseTag('a'));
781        }
782
783        if(!empty($recent['media'])) {
784            $href = media_managerURL(
785                array(
786                    'tab_details' => 'history',
787                    'image' => $recent['id'],
788                    'ns' => getNS($recent['id'])
789                ),
790                '&'
791            );
792        } else {
793            $href = wl($recent['id'], "do=revisions", false, '&');
794        }
795        $form->addElement(form_makeOpenTag('a', array(
796                        'class' => 'revisions_link',
797                        'href'  => $href)));
798        $form->addElement(form_makeTag('img', array(
799                        'src'    => DOKU_BASE . 'lib/images/history.png',
800                        'width'  => 12,
801                        'height' => 14,
802                        'title'  => $lang['btn_revs'],
803                        'alt'    => $lang['btn_revs']
804                    )));
805        $form->addElement(form_makeCloseTag('a'));
806
807        if(!empty($recent['media'])) {
808            $href = media_managerURL(
809                array(
810                    'tab_details' => 'view',
811                    'image' => $recent['id'],
812                    'ns' => getNS($recent['id'])
813                ),
814                '&'
815            );
816            $class = file_exists(mediaFN($recent['id'])) ? 'wikilink1' : 'wikilink2';
817            $form->addElement(form_makeOpenTag('a', array(
818                        'class' => $class,
819                        'href'  => $href)));
820            $form->addElement($recent['id']);
821            $form->addElement(form_makeCloseTag('a'));
822        } else {
823            $form->addElement(html_wikilink(':' . $recent['id'], useHeading('navigation') ? null : $recent['id']));
824        }
825        $form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
826        $form->addElement(' – ' . hsc($recent['sum']));
827        $form->addElement(form_makeCloseTag('span'));
828
829        $form->addElement(form_makeOpenTag('span', array('class' => 'user')));
830        if($recent['user']) {
831            $form->addElement('<bdi>' . editorinfo($recent['user']) . '</bdi>');
832            if(auth_ismanager()) {
833                $form->addElement(' <bdo dir="ltr">(' . $recent['ip'] . ')</bdo>');
834            }
835        } else {
836            $form->addElement('<bdo dir="ltr">' . $recent['ip'] . '</bdo>');
837        }
838        $form->addElement(form_makeCloseTag('span'));
839
840        html_sizechange($recent['sizechange'], $form);
841
842        $form->addElement(form_makeCloseTag('div'));
843        $form->addElement(form_makeCloseTag('li'));
844    }
845    $form->addElement(form_makeCloseTag('ul'));
846
847    $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav')));
848    $last = $first + $conf['recent'];
849    if($first > 0) {
850        $first -= $conf['recent'];
851        if($first < 0) $first = 0;
852        $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav-prev')));
853        $form->addElement(form_makeOpenTag('button', array(
854                        'type'      => 'submit',
855                        'name'      => 'first[' . $first . ']',
856                        'accesskey' => 'n',
857                        'title'     => $lang['btn_newer'] . ' [N]',
858                        'class'     => 'button show'
859                    )));
860        $form->addElement($lang['btn_newer']);
861        $form->addElement(form_makeCloseTag('button'));
862        $form->addElement(form_makeCloseTag('div'));
863    }
864    if($hasNext) {
865        $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav-next')));
866        $form->addElement(form_makeOpenTag('button', array(
867                        'type'      => 'submit',
868                        'name'      => 'first[' . $last . ']',
869                        'accesskey' => 'p',
870                        'title'     => $lang['btn_older'] . ' [P]',
871                        'class'     => 'button show'
872                    )));
873        $form->addElement($lang['btn_older']);
874        $form->addElement(form_makeCloseTag('button'));
875        $form->addElement(form_makeCloseTag('div'));
876    }
877    $form->addElement(form_makeCloseTag('div'));
878    html_form('recent', $form);
879}
880
881/**
882 * Display page index
883 *
884 * @author Andreas Gohr <andi@splitbrain.org>
885 *
886 * @param string $ns
887 */
888function html_index($ns){
889    global $conf;
890    global $ID;
891    $ns  = cleanID($ns);
892    if(empty($ns)){
893        $ns = getNS($ID);
894        if($ns === false) $ns ='';
895    }
896    $ns  = utf8_encodeFN(str_replace(':','/',$ns));
897
898    echo p_locale_xhtml('index');
899    echo '<div id="index__tree" class="index__tree">';
900
901    $data = array();
902    search($data,$conf['datadir'],'search_index',array('ns' => $ns));
903    echo html_buildlist($data,'idx','html_list_index','html_li_index');
904
905    echo '</div>';
906}
907
908/**
909 * Index item formatter
910 *
911 * User function for html_buildlist()
912 *
913 * @author Andreas Gohr <andi@splitbrain.org>
914 *
915 * @param array $item
916 * @return string
917 */
918function html_list_index($item){
919    global $ID, $conf;
920
921    // prevent searchbots needlessly following links
922    $nofollow = ($ID != $conf['start'] || $conf['sitemap']) ? 'rel="nofollow"' : '';
923
924    $ret = '';
925    $base = ':'.$item['id'];
926    $base = substr($base,strrpos($base,':')+1);
927    if($item['type']=='d'){
928        // FS#2766, no need for search bots to follow namespace links in the index
929        $link = wl($ID, 'idx=' . rawurlencode($item['id']));
930        $ret .= '<a href="' . $link . '" title="' . $item['id'] . '" class="idx_dir" ' . $nofollow . '><strong>';
931        $ret .= $base;
932        $ret .= '</strong></a>';
933    }else{
934        // default is noNSorNS($id), but we want noNS($id) when useheading is off FS#2605
935        $ret .= html_wikilink(':'.$item['id'], useHeading('navigation') ? null : noNS($item['id']));
936    }
937    return $ret;
938}
939
940/**
941 * Index List item
942 *
943 * This user function is used in html_buildlist to build the
944 * <li> tags for namespaces when displaying the page index
945 * it gives different classes to opened or closed "folders"
946 *
947 * @author Andreas Gohr <andi@splitbrain.org>
948 *
949 * @param array $item
950 * @return string html
951 */
952function html_li_index($item){
953    global $INFO;
954    global $ACT;
955
956    $class = '';
957    $id = '';
958
959    if($item['type'] == "f"){
960        // scroll to the current item
961        if($item['id'] == $INFO['id'] && $ACT == 'index') {
962            $id = ' id="scroll__here"';
963            $class = ' bounce';
964        }
965        return '<li class="level'.$item['level'].$class.'" '.$id.'>';
966    }elseif($item['open']){
967        return '<li class="open">';
968    }else{
969        return '<li class="closed">';
970    }
971}
972
973/**
974 * Default List item
975 *
976 * @author Andreas Gohr <andi@splitbrain.org>
977 *
978 * @param array $item
979 * @return string html
980 */
981function html_li_default($item){
982    return '<li class="level'.$item['level'].'">';
983}
984
985/**
986 * Build an unordered list
987 *
988 * Build an unordered list from the given $data array
989 * Each item in the array has to have a 'level' property
990 * the item itself gets printed by the given $func user
991 * function. The second and optional function is used to
992 * print the <li> tag. Both user function need to accept
993 * a single item.
994 *
995 * Both user functions can be given as array to point to
996 * a member of an object.
997 *
998 * @author Andreas Gohr <andi@splitbrain.org>
999 *
1000 * @param array    $data  array with item arrays
1001 * @param string   $class class of ul wrapper
1002 * @param callable $func  callback to print an list item
1003 * @param callable $lifunc callback to the opening li tag
1004 * @param bool     $forcewrapper Trigger building a wrapper ul if the first level is
1005 *                               0 (we have a root object) or 1 (just the root content)
1006 * @return string html of an unordered list
1007 */
1008function html_buildlist($data,$class,$func,$lifunc='html_li_default',$forcewrapper=false){
1009    if (count($data) === 0) {
1010        return '';
1011    }
1012
1013    $firstElement = reset($data);
1014    $start_level = $firstElement['level'];
1015    $level = $start_level;
1016    $ret   = '';
1017    $open  = 0;
1018
1019    foreach ($data as $item){
1020
1021        if( $item['level'] > $level ){
1022            //open new list
1023            for($i=0; $i<($item['level'] - $level); $i++){
1024                if ($i) $ret .= "<li class=\"clear\">";
1025                $ret .= "\n<ul class=\"$class\">\n";
1026                $open++;
1027            }
1028            $level = $item['level'];
1029
1030        }elseif( $item['level'] < $level ){
1031            //close last item
1032            $ret .= "</li>\n";
1033            while( $level > $item['level'] && $open > 0 ){
1034                //close higher lists
1035                $ret .= "</ul>\n</li>\n";
1036                $level--;
1037                $open--;
1038            }
1039        } elseif ($ret !== '') {
1040            //close previous item
1041            $ret .= "</li>\n";
1042        }
1043
1044        //print item
1045        $ret .= call_user_func($lifunc,$item);
1046        $ret .= '<div class="li">';
1047
1048        $ret .= call_user_func($func,$item);
1049        $ret .= '</div>';
1050    }
1051
1052    //close remaining items and lists
1053    $ret .= "</li>\n";
1054    while($open-- > 0) {
1055        $ret .= "</ul></li>\n";
1056    }
1057
1058    if ($forcewrapper || $start_level < 2) {
1059        // Trigger building a wrapper ul if the first level is
1060        // 0 (we have a root object) or 1 (just the root content)
1061        $ret = "\n<ul class=\"$class\">\n".$ret."</ul>\n";
1062    }
1063
1064    return $ret;
1065}
1066
1067/**
1068 * display backlinks
1069 *
1070 * @author Andreas Gohr <andi@splitbrain.org>
1071 * @author Michael Klier <chi@chimeric.de>
1072 */
1073function html_backlinks(){
1074    global $ID;
1075    global $lang;
1076
1077    print p_locale_xhtml('backlinks');
1078
1079    $data = ft_backlinks($ID);
1080
1081    if(!empty($data)) {
1082        print '<ul class="idx">';
1083        foreach($data as $blink){
1084            print '<li><div class="li">';
1085            print html_wikilink(':'.$blink,useHeading('navigation')?null:$blink);
1086            print '</div></li>';
1087        }
1088        print '</ul>';
1089    } else {
1090        print '<div class="level1"><p>' . $lang['nothingfound'] . '</p></div>';
1091    }
1092}
1093
1094/**
1095 * Get header of diff HTML
1096 *
1097 * @param string $l_rev   Left revisions
1098 * @param string $r_rev   Right revision
1099 * @param string $id      Page id, if null $ID is used
1100 * @param bool   $media   If it is for media files
1101 * @param bool   $inline  Return the header on a single line
1102 * @return string[] HTML snippets for diff header
1103 */
1104function html_diff_head($l_rev, $r_rev, $id = null, $media = false, $inline = false) {
1105    global $lang;
1106    if ($id === null) {
1107        global $ID;
1108        $id = $ID;
1109    }
1110    $head_separator = $inline ? ' ' : '<br />';
1111    $media_or_wikiFN = $media ? 'mediaFN' : 'wikiFN';
1112    $ml_or_wl = $media ? 'ml' : 'wl';
1113    $l_minor = $r_minor = '';
1114
1115    if($media) {
1116        $changelog = new MediaChangeLog($id);
1117    } else {
1118        $changelog = new PageChangeLog($id);
1119    }
1120    if(!$l_rev){
1121        $l_head = '&mdash;';
1122    }else{
1123        $l_info   = $changelog->getRevisionInfo($l_rev);
1124        if($l_info['user']){
1125            $l_user = '<bdi>'.editorinfo($l_info['user']).'</bdi>';
1126            if(auth_ismanager()) $l_user .= ' <bdo dir="ltr">('.$l_info['ip'].')</bdo>';
1127        } else {
1128            $l_user = '<bdo dir="ltr">'.$l_info['ip'].'</bdo>';
1129        }
1130        $l_user  = '<span class="user">'.$l_user.'</span>';
1131        $l_sum   = ($l_info['sum']) ? '<span class="sum"><bdi>'.hsc($l_info['sum']).'</bdi></span>' : '';
1132        if ($l_info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT) $l_minor = 'class="minor"';
1133
1134        $l_head_title = ($media) ? dformat($l_rev) : $id.' ['.dformat($l_rev).']';
1135        $l_head = '<bdi><a class="wikilink1" href="'.$ml_or_wl($id,"rev=$l_rev").'">'.
1136        $l_head_title.'</a></bdi>'.
1137        $head_separator.$l_user.' '.$l_sum;
1138    }
1139
1140    if($r_rev){
1141        $r_info   = $changelog->getRevisionInfo($r_rev);
1142        if($r_info['user']){
1143            $r_user = '<bdi>'.editorinfo($r_info['user']).'</bdi>';
1144            if(auth_ismanager()) $r_user .= ' <bdo dir="ltr">('.$r_info['ip'].')</bdo>';
1145        } else {
1146            $r_user = '<bdo dir="ltr">'.$r_info['ip'].'</bdo>';
1147        }
1148        $r_user = '<span class="user">'.$r_user.'</span>';
1149        $r_sum  = ($r_info['sum']) ? '<span class="sum"><bdi>'.hsc($r_info['sum']).'</bdi></span>' : '';
1150        if ($r_info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT) $r_minor = 'class="minor"';
1151
1152        $r_head_title = ($media) ? dformat($r_rev) : $id.' ['.dformat($r_rev).']';
1153        $r_head = '<bdi><a class="wikilink1" href="'.$ml_or_wl($id,"rev=$r_rev").'">'.
1154        $r_head_title.'</a></bdi>'.
1155        $head_separator.$r_user.' '.$r_sum;
1156    }elseif($_rev = @filemtime($media_or_wikiFN($id))){
1157        $_info   = $changelog->getRevisionInfo($_rev);
1158        if($_info['user']){
1159            $_user = '<bdi>'.editorinfo($_info['user']).'</bdi>';
1160            if(auth_ismanager()) $_user .= ' <bdo dir="ltr">('.$_info['ip'].')</bdo>';
1161        } else {
1162            $_user = '<bdo dir="ltr">'.$_info['ip'].'</bdo>';
1163        }
1164        $_user = '<span class="user">'.$_user.'</span>';
1165        $_sum  = ($_info['sum']) ? '<span class="sum"><bdi>'.hsc($_info['sum']).'</span></bdi>' : '';
1166        if ($_info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT) $r_minor = 'class="minor"';
1167
1168        $r_head_title = ($media) ? dformat($_rev) : $id.' ['.dformat($_rev).']';
1169        $r_head  = '<bdi><a class="wikilink1" href="'.$ml_or_wl($id).'">'.
1170        $r_head_title.'</a></bdi> '.
1171        '('.$lang['current'].')'.
1172        $head_separator.$_user.' '.$_sum;
1173    }else{
1174        $r_head = '&mdash; ('.$lang['current'].')';
1175    }
1176
1177    return array($l_head, $r_head, $l_minor, $r_minor);
1178}
1179
1180/**
1181 * Show diff
1182 * between current page version and provided $text
1183 * or between the revisions provided via GET or POST
1184 *
1185 * @author Andreas Gohr <andi@splitbrain.org>
1186 * @param  string $text  when non-empty: compare with this text with most current version
1187 * @param  bool   $intro display the intro text
1188 * @param  string $type  type of the diff (inline or sidebyside)
1189 */
1190function html_diff($text = '', $intro = true, $type = null) {
1191    global $ID;
1192    global $REV;
1193    global $lang;
1194    global $INPUT;
1195    global $INFO;
1196    $pagelog = new PageChangeLog($ID);
1197
1198    /*
1199     * Determine diff type
1200     */
1201    if(!$type) {
1202        $type = $INPUT->str('difftype');
1203        if(empty($type)) {
1204            $type = get_doku_pref('difftype', $type);
1205            if(empty($type) && $INFO['ismobile']) {
1206                $type = 'inline';
1207            }
1208        }
1209    }
1210    if($type != 'inline') $type = 'sidebyside';
1211
1212    /*
1213     * Determine requested revision(s)
1214     */
1215    // we're trying to be clever here, revisions to compare can be either
1216    // given as rev and rev2 parameters, with rev2 being optional. Or in an
1217    // array in rev2.
1218    $rev1 = $REV;
1219
1220    $rev2 = $INPUT->ref('rev2');
1221    if(is_array($rev2)) {
1222        $rev1 = (int) $rev2[0];
1223        $rev2 = (int) $rev2[1];
1224
1225        if(!$rev1) {
1226            $rev1 = $rev2;
1227            unset($rev2);
1228        }
1229    } else {
1230        $rev2 = $INPUT->int('rev2');
1231    }
1232
1233    /*
1234     * Determine left and right revision, its texts and the header
1235     */
1236    $r_minor = '';
1237    $l_minor = '';
1238
1239    if($text) { // compare text to the most current revision
1240        $l_rev = '';
1241        $l_text = rawWiki($ID, '');
1242        $l_head = '<a class="wikilink1" href="' . wl($ID) . '">' .
1243            $ID . ' ' . dformat((int) @filemtime(wikiFN($ID))) . '</a> ' .
1244            $lang['current'];
1245
1246        $r_rev = '';
1247        $r_text = cleanText($text);
1248        $r_head = $lang['yours'];
1249    } else {
1250        if($rev1 && isset($rev2) && $rev2) { // two specific revisions wanted
1251            // make sure order is correct (older on the left)
1252            if($rev1 < $rev2) {
1253                $l_rev = $rev1;
1254                $r_rev = $rev2;
1255            } else {
1256                $l_rev = $rev2;
1257                $r_rev = $rev1;
1258            }
1259        } elseif($rev1) { // single revision given, compare to current
1260            $r_rev = '';
1261            $l_rev = $rev1;
1262        } else { // no revision was given, compare previous to current
1263            $r_rev = '';
1264            $revs = $pagelog->getRevisions(0, 1);
1265            $l_rev = $revs[0];
1266            $REV = $l_rev; // store revision back in $REV
1267        }
1268
1269        // when both revisions are empty then the page was created just now
1270        if(!$l_rev && !$r_rev) {
1271            $l_text = '';
1272        } else {
1273            $l_text = rawWiki($ID, $l_rev);
1274        }
1275        $r_text = rawWiki($ID, $r_rev);
1276
1277        list($l_head, $r_head, $l_minor, $r_minor) = html_diff_head($l_rev, $r_rev, null, false, $type == 'inline');
1278    }
1279
1280    /*
1281     * Build navigation
1282     */
1283    $l_nav = '';
1284    $r_nav = '';
1285    if(!$text) {
1286        list($l_nav, $r_nav) = html_diff_navigation($pagelog, $type, $l_rev, $r_rev);
1287    }
1288    /*
1289     * Create diff object and the formatter
1290     */
1291    $diff = new Diff(explode("\n", $l_text), explode("\n", $r_text));
1292
1293    if($type == 'inline') {
1294        $diffformatter = new InlineDiffFormatter();
1295    } else {
1296        $diffformatter = new TableDiffFormatter();
1297    }
1298    /*
1299     * Display intro
1300     */
1301    if($intro) print p_locale_xhtml('diff');
1302
1303    /*
1304     * Display type and exact reference
1305     */
1306    if(!$text) {
1307        ptln('<div class="diffoptions group">');
1308
1309
1310        $form = new Doku_Form(array('action' => wl()));
1311        $form->addHidden('id', $ID);
1312        $form->addHidden('rev2[0]', $l_rev);
1313        $form->addHidden('rev2[1]', $r_rev);
1314        $form->addHidden('do', 'diff');
1315        $form->addElement(
1316             form_makeListboxField(
1317                 'difftype',
1318                 array(
1319                     'sidebyside' => $lang['diff_side'],
1320                     'inline' => $lang['diff_inline']
1321                 ),
1322                 $type,
1323                 $lang['diff_type'],
1324                 '', '',
1325                 array('class' => 'quickselect')
1326             )
1327        );
1328        $form->addElement(form_makeButton('submit', 'diff', 'Go'));
1329        $form->printForm();
1330
1331        ptln('<p>');
1332        // link to exactly this view FS#2835
1333        echo html_diff_navigationlink($type, 'difflink', $l_rev, $r_rev ? $r_rev : $INFO['currentrev']);
1334        ptln('</p>');
1335
1336        ptln('</div>'); // .diffoptions
1337    }
1338
1339    /*
1340     * Display diff view table
1341     */
1342    ?>
1343    <div class="table">
1344    <table class="diff diff_<?php echo $type ?>">
1345
1346        <?php
1347        //navigation and header
1348        if($type == 'inline') {
1349            if(!$text) { ?>
1350                <tr>
1351                    <td class="diff-lineheader">-</td>
1352                    <td class="diffnav"><?php echo $l_nav ?></td>
1353                </tr>
1354                <tr>
1355                    <th class="diff-lineheader">-</th>
1356                    <th <?php echo $l_minor ?>>
1357                        <?php echo $l_head ?>
1358                    </th>
1359                </tr>
1360            <?php } ?>
1361            <tr>
1362                <td class="diff-lineheader">+</td>
1363                <td class="diffnav"><?php echo $r_nav ?></td>
1364            </tr>
1365            <tr>
1366                <th class="diff-lineheader">+</th>
1367                <th <?php echo $r_minor ?>>
1368                    <?php echo $r_head ?>
1369                </th>
1370            </tr>
1371        <?php } else {
1372            if(!$text) { ?>
1373                <tr>
1374                    <td colspan="2" class="diffnav"><?php echo $l_nav ?></td>
1375                    <td colspan="2" class="diffnav"><?php echo $r_nav ?></td>
1376                </tr>
1377            <?php } ?>
1378            <tr>
1379                <th colspan="2" <?php echo $l_minor ?>>
1380                    <?php echo $l_head ?>
1381                </th>
1382                <th colspan="2" <?php echo $r_minor ?>>
1383                    <?php echo $r_head ?>
1384                </th>
1385            </tr>
1386        <?php }
1387
1388        //diff view
1389        echo html_insert_softbreaks($diffformatter->format($diff)); ?>
1390
1391    </table>
1392    </div>
1393<?php
1394}
1395
1396/**
1397 * Create html for revision navigation
1398 *
1399 * @param PageChangeLog $pagelog changelog object of current page
1400 * @param string        $type    inline vs sidebyside
1401 * @param int           $l_rev   left revision timestamp
1402 * @param int           $r_rev   right revision timestamp
1403 * @return string[] html of left and right navigation elements
1404 */
1405function html_diff_navigation($pagelog, $type, $l_rev, $r_rev) {
1406    global $INFO, $ID;
1407
1408    // last timestamp is not in changelog, retrieve timestamp from metadata
1409    // note: when page is removed, the metadata timestamp is zero
1410    if(!$r_rev) {
1411        if(isset($INFO['meta']['last_change']['date'])) {
1412            $r_rev = $INFO['meta']['last_change']['date'];
1413        } else {
1414            $r_rev = 0;
1415        }
1416    }
1417
1418    //retrieve revisions with additional info
1419    list($l_revs, $r_revs) = $pagelog->getRevisionsAround($l_rev, $r_rev);
1420    $l_revisions = array();
1421    if(!$l_rev) {
1422        $l_revisions[0] = array(0, "", false); //no left revision given, add dummy
1423    }
1424    foreach($l_revs as $rev) {
1425        $info = $pagelog->getRevisionInfo($rev);
1426        $l_revisions[$rev] = array(
1427            $rev,
1428            dformat($info['date']) . ' ' . editorinfo($info['user'], true) . ' ' . $info['sum'],
1429            $r_rev ? $rev >= $r_rev : false //disable?
1430        );
1431    }
1432    $r_revisions = array();
1433    if(!$r_rev) {
1434        $r_revisions[0] = array(0, "", false); //no right revision given, add dummy
1435    }
1436    foreach($r_revs as $rev) {
1437        $info = $pagelog->getRevisionInfo($rev);
1438        $r_revisions[$rev] = array(
1439            $rev,
1440            dformat($info['date']) . ' ' . editorinfo($info['user'], true) . ' ' . $info['sum'],
1441            $rev <= $l_rev //disable?
1442        );
1443    }
1444
1445    //determine previous/next revisions
1446    $l_index = array_search($l_rev, $l_revs);
1447    $l_prev = $l_revs[$l_index + 1];
1448    $l_next = $l_revs[$l_index - 1];
1449    if($r_rev) {
1450        $r_index = array_search($r_rev, $r_revs);
1451        $r_prev = $r_revs[$r_index + 1];
1452        $r_next = $r_revs[$r_index - 1];
1453    } else {
1454        //removed page
1455        if($l_next) {
1456            $r_prev = $r_revs[0];
1457        } else {
1458            $r_prev = null;
1459        }
1460        $r_next = null;
1461    }
1462
1463    /*
1464     * Left side:
1465     */
1466    $l_nav = '';
1467    //move back
1468    if($l_prev) {
1469        $l_nav .= html_diff_navigationlink($type, 'diffbothprevrev', $l_prev, $r_prev);
1470        $l_nav .= html_diff_navigationlink($type, 'diffprevrev', $l_prev, $r_rev);
1471    }
1472    //dropdown
1473    $form = new Doku_Form(array('action' => wl()));
1474    $form->addHidden('id', $ID);
1475    $form->addHidden('difftype', $type);
1476    $form->addHidden('rev2[1]', $r_rev);
1477    $form->addHidden('do', 'diff');
1478    $form->addElement(
1479         form_makeListboxField(
1480             'rev2[0]',
1481             $l_revisions,
1482             $l_rev,
1483             '', '', '',
1484             array('class' => 'quickselect')
1485         )
1486    );
1487    $form->addElement(form_makeButton('submit', 'diff', 'Go'));
1488    $l_nav .= $form->getForm();
1489    //move forward
1490    if($l_next && ($l_next < $r_rev || !$r_rev)) {
1491        $l_nav .= html_diff_navigationlink($type, 'diffnextrev', $l_next, $r_rev);
1492    }
1493
1494    /*
1495     * Right side:
1496     */
1497    $r_nav = '';
1498    //move back
1499    if($l_rev < $r_prev) {
1500        $r_nav .= html_diff_navigationlink($type, 'diffprevrev', $l_rev, $r_prev);
1501    }
1502    //dropdown
1503    $form = new Doku_Form(array('action' => wl()));
1504    $form->addHidden('id', $ID);
1505    $form->addHidden('rev2[0]', $l_rev);
1506    $form->addHidden('difftype', $type);
1507    $form->addHidden('do', 'diff');
1508    $form->addElement(
1509         form_makeListboxField(
1510             'rev2[1]',
1511             $r_revisions,
1512             $r_rev,
1513             '', '', '',
1514             array('class' => 'quickselect')
1515         )
1516    );
1517    $form->addElement(form_makeButton('submit', 'diff', 'Go'));
1518    $r_nav .= $form->getForm();
1519    //move forward
1520    if($r_next) {
1521        if($pagelog->isCurrentRevision($r_next)) {
1522            $r_nav .= html_diff_navigationlink($type, 'difflastrev', $l_rev); //last revision is diff with current page
1523        } else {
1524            $r_nav .= html_diff_navigationlink($type, 'diffnextrev', $l_rev, $r_next);
1525        }
1526        $r_nav .= html_diff_navigationlink($type, 'diffbothnextrev', $l_next, $r_next);
1527    }
1528    return array($l_nav, $r_nav);
1529}
1530
1531/**
1532 * Create html link to a diff defined by two revisions
1533 *
1534 * @param string $difftype display type
1535 * @param string $linktype
1536 * @param int $lrev oldest revision
1537 * @param int $rrev newest revision or null for diff with current revision
1538 * @return string html of link to a diff
1539 */
1540function html_diff_navigationlink($difftype, $linktype, $lrev, $rrev = null) {
1541    global $ID, $lang;
1542    if(!$rrev) {
1543        $urlparam = array(
1544            'do' => 'diff',
1545            'rev' => $lrev,
1546            'difftype' => $difftype,
1547        );
1548    } else {
1549        $urlparam = array(
1550            'do' => 'diff',
1551            'rev2[0]' => $lrev,
1552            'rev2[1]' => $rrev,
1553            'difftype' => $difftype,
1554        );
1555    }
1556    return  '<a class="' . $linktype . '" href="' . wl($ID, $urlparam) . '" title="' . $lang[$linktype] . '">' .
1557                '<span>' . $lang[$linktype] . '</span>' .
1558            '</a>' . "\n";
1559}
1560
1561/**
1562 * Insert soft breaks in diff html
1563 *
1564 * @param string $diffhtml
1565 * @return string
1566 */
1567function html_insert_softbreaks($diffhtml) {
1568    // search the diff html string for both:
1569    // - html tags, so these can be ignored
1570    // - long strings of characters without breaking characters
1571    return preg_replace_callback('/<[^>]*>|[^<> ]{12,}/','html_softbreak_callback',$diffhtml);
1572}
1573
1574/**
1575 * callback which adds softbreaks
1576 *
1577 * @param array $match array with first the complete match
1578 * @return string the replacement
1579 */
1580function html_softbreak_callback($match){
1581    // if match is an html tag, return it intact
1582    if ($match[0]{0} == '<') return $match[0];
1583
1584    // its a long string without a breaking character,
1585    // make certain characters into breaking characters by inserting a
1586    // breaking character (zero length space, U+200B / #8203) in front them.
1587    $regex = <<< REGEX
1588(?(?=              # start a conditional expression with a positive look ahead ...
1589&\#?\\w{1,6};)     # ... for html entities - we don't want to split them (ok to catch some invalid combinations)
1590&\#?\\w{1,6};      # yes pattern - a quicker match for the html entity, since we know we have one
1591|
1592[?/,&\#;:]         # no pattern - any other group of 'special' characters to insert a breaking character after
1593)+                 # end conditional expression
1594REGEX;
1595
1596    return preg_replace('<'.$regex.'>xu','\0&#8203;',$match[0]);
1597}
1598
1599/**
1600 * show warning on conflict detection
1601 *
1602 * @author Andreas Gohr <andi@splitbrain.org>
1603 *
1604 * @param string $text
1605 * @param string $summary
1606 */
1607function html_conflict($text,$summary){
1608    global $ID;
1609    global $lang;
1610
1611    print p_locale_xhtml('conflict');
1612    $form = new Doku_Form(array('id' => 'dw__editform'));
1613    $form->addHidden('id', $ID);
1614    $form->addHidden('wikitext', $text);
1615    $form->addHidden('summary', $summary);
1616    $form->addElement(form_makeButton('submit', 'save', $lang['btn_save'], array('accesskey'=>'s')));
1617    $form->addElement(form_makeButton('submit', 'cancel', $lang['btn_cancel']));
1618    html_form('conflict', $form);
1619    print '<br /><br /><br /><br />'.NL;
1620}
1621
1622/**
1623 * Prints the global message array
1624 *
1625 * @author Andreas Gohr <andi@splitbrain.org>
1626 */
1627function html_msgarea(){
1628    global $MSG, $MSG_shown;
1629    /** @var array $MSG */
1630    // store if the global $MSG has already been shown and thus HTML output has been started
1631    $MSG_shown = true;
1632
1633    if(!isset($MSG)) return;
1634
1635    $shown = array();
1636    foreach($MSG as $msg){
1637        $hash = md5($msg['msg']);
1638        if(isset($shown[$hash])) continue; // skip double messages
1639        if(info_msg_allowed($msg)){
1640            print '<div class="'.$msg['lvl'].'">';
1641            print $msg['msg'];
1642            print '</div>';
1643        }
1644        $shown[$hash] = 1;
1645    }
1646
1647    unset($GLOBALS['MSG']);
1648}
1649
1650/**
1651 * Prints the registration form
1652 *
1653 * @author Andreas Gohr <andi@splitbrain.org>
1654 */
1655function html_register(){
1656    global $lang;
1657    global $conf;
1658    global $INPUT;
1659
1660    $base_attrs = array('size'=>50,'required'=>'required');
1661    $email_attrs = $base_attrs + array('type'=>'email','class'=>'edit');
1662
1663    print p_locale_xhtml('register');
1664    print '<div class="centeralign">'.NL;
1665    $form = new Doku_Form(array('id' => 'dw__register'));
1666    $form->startFieldset($lang['btn_register']);
1667    $form->addHidden('do', 'register');
1668    $form->addHidden('save', '1');
1669    $form->addElement(
1670        form_makeTextField(
1671            'login',
1672            $INPUT->post->str('login'),
1673            $lang['user'],
1674            '',
1675            'block',
1676            $base_attrs
1677        )
1678    );
1679    if (!$conf['autopasswd']) {
1680        $form->addElement(form_makePasswordField('pass', $lang['pass'], '', 'block', $base_attrs));
1681        $form->addElement(form_makePasswordField('passchk', $lang['passchk'], '', 'block', $base_attrs));
1682    }
1683    $form->addElement(
1684        form_makeTextField(
1685            'fullname',
1686            $INPUT->post->str('fullname'),
1687            $lang['fullname'],
1688            '',
1689            'block',
1690            $base_attrs
1691        )
1692    );
1693    $form->addElement(
1694        form_makeField(
1695            'email',
1696            'email',
1697            $INPUT->post->str('email'),
1698            $lang['email'],
1699            '',
1700            'block',
1701            $email_attrs
1702        )
1703    );
1704    $form->addElement(form_makeButton('submit', '', $lang['btn_register']));
1705    $form->endFieldset();
1706    html_form('register', $form);
1707
1708    print '</div>'.NL;
1709}
1710
1711/**
1712 * Print the update profile form
1713 *
1714 * @author Christopher Smith <chris@jalakai.co.uk>
1715 * @author Andreas Gohr <andi@splitbrain.org>
1716 */
1717function html_updateprofile(){
1718    global $lang;
1719    global $conf;
1720    global $INPUT;
1721    global $INFO;
1722    /** @var DokuWiki_Auth_Plugin $auth */
1723    global $auth;
1724
1725    print p_locale_xhtml('updateprofile');
1726    print '<div class="centeralign">'.NL;
1727
1728    $fullname = $INPUT->post->str('fullname', $INFO['userinfo']['name'], true);
1729    $email = $INPUT->post->str('email', $INFO['userinfo']['mail'], true);
1730    $form = new Doku_Form(array('id' => 'dw__register'));
1731    $form->startFieldset($lang['profile']);
1732    $form->addHidden('do', 'profile');
1733    $form->addHidden('save', '1');
1734    $form->addElement(
1735        form_makeTextField(
1736            'login',
1737            $_SERVER['REMOTE_USER'],
1738            $lang['user'],
1739            '',
1740            'block',
1741            array('size' => '50', 'disabled' => 'disabled')
1742        )
1743    );
1744    $attr = array('size'=>'50');
1745    if (!$auth->canDo('modName')) $attr['disabled'] = 'disabled';
1746    $form->addElement(form_makeTextField('fullname', $fullname, $lang['fullname'], '', 'block', $attr));
1747    $attr = array('size'=>'50', 'class'=>'edit');
1748    if (!$auth->canDo('modMail')) $attr['disabled'] = 'disabled';
1749    $form->addElement(form_makeField('email','email', $email, $lang['email'], '', 'block', $attr));
1750    $form->addElement(form_makeTag('br'));
1751    if ($auth->canDo('modPass')) {
1752        $form->addElement(form_makePasswordField('newpass', $lang['newpass'], '', 'block', array('size'=>'50')));
1753        $form->addElement(form_makePasswordField('passchk', $lang['passchk'], '', 'block', array('size'=>'50')));
1754    }
1755    if ($conf['profileconfirm']) {
1756        $form->addElement(form_makeTag('br'));
1757        $form->addElement(
1758            form_makePasswordField(
1759                'oldpass',
1760                $lang['oldpass'],
1761                '',
1762                'block',
1763                array('size' => '50', 'required' => 'required')
1764            )
1765        );
1766    }
1767    $form->addElement(form_makeButton('submit', '', $lang['btn_save']));
1768    $form->addElement(form_makeButton('reset', '', $lang['btn_reset']));
1769
1770    $form->endFieldset();
1771    html_form('updateprofile', $form);
1772
1773    if ($auth->canDo('delUser') && actionOK('profile_delete')) {
1774        $form_profiledelete = new Doku_Form(array('id' => 'dw__profiledelete'));
1775        $form_profiledelete->startFieldset($lang['profdeleteuser']);
1776        $form_profiledelete->addHidden('do', 'profile_delete');
1777        $form_profiledelete->addHidden('delete', '1');
1778        $form_profiledelete->addElement(
1779            form_makeCheckboxField(
1780                'confirm_delete',
1781                '1',
1782                $lang['profconfdelete'],
1783                'dw__confirmdelete',
1784                '',
1785                array('required' => 'required')
1786            )
1787        );
1788        if ($conf['profileconfirm']) {
1789            $form_profiledelete->addElement(form_makeTag('br'));
1790            $form_profiledelete->addElement(
1791                form_makePasswordField(
1792                    'oldpass',
1793                    $lang['oldpass'],
1794                    '',
1795                    'block',
1796                    array('size' => '50', 'required' => 'required')
1797                )
1798            );
1799        }
1800        $form_profiledelete->addElement(form_makeButton('submit', '', $lang['btn_deleteuser']));
1801        $form_profiledelete->endFieldset();
1802
1803        html_form('profiledelete', $form_profiledelete);
1804    }
1805
1806    print '</div>'.NL;
1807}
1808
1809/**
1810 * Preprocess edit form data
1811 *
1812 * @author   Andreas Gohr <andi@splitbrain.org>
1813 *
1814 * @triggers HTML_EDITFORM_OUTPUT
1815 */
1816function html_edit(){
1817    global $INPUT;
1818    global $ID;
1819    global $REV;
1820    global $DATE;
1821    global $PRE;
1822    global $SUF;
1823    global $INFO;
1824    global $SUM;
1825    global $lang;
1826    global $conf;
1827    global $TEXT;
1828
1829    if ($INPUT->has('changecheck')) {
1830        $check = $INPUT->str('changecheck');
1831    } elseif(!$INFO['exists']){
1832        // $TEXT has been loaded from page template
1833        $check = md5('');
1834    } else {
1835        $check = md5($TEXT);
1836    }
1837    $mod = md5($TEXT) !== $check;
1838
1839    $wr = $INFO['writable'] && !$INFO['locked'];
1840    $include = 'edit';
1841    if($wr){
1842        if ($REV) $include = 'editrev';
1843    }else{
1844        // check pseudo action 'source'
1845        if(!actionOK('source')){
1846            msg('Command disabled: source',-1);
1847            return;
1848        }
1849        $include = 'read';
1850    }
1851
1852    global $license;
1853
1854    $form = new Doku_Form(array('id' => 'dw__editform'));
1855    $form->addHidden('id', $ID);
1856    $form->addHidden('rev', $REV);
1857    $form->addHidden('date', $DATE);
1858    $form->addHidden('prefix', $PRE . '.');
1859    $form->addHidden('suffix', $SUF);
1860    $form->addHidden('changecheck', $check);
1861
1862    $data = array('form' => $form,
1863                  'wr'   => $wr,
1864                  'media_manager' => true,
1865                  'target' => ($INPUT->has('target') && $wr) ? $INPUT->str('target') : 'section',
1866                  'intro_locale' => $include);
1867
1868    if ($data['target'] !== 'section') {
1869        // Only emit event if page is writable, section edit data is valid and
1870        // edit target is not section.
1871        trigger_event('HTML_EDIT_FORMSELECTION', $data, 'html_edit_form', true);
1872    } else {
1873        html_edit_form($data);
1874    }
1875    if (isset($data['intro_locale'])) {
1876        echo p_locale_xhtml($data['intro_locale']);
1877    }
1878
1879    $form->addHidden('target', $data['target']);
1880    if ($INPUT->has('hid')) {
1881        $form->addHidden('hid', $INPUT->str('hid'));
1882    }
1883    if ($INPUT->has('codeblockOffset')) {
1884        $form->addHidden('codeblockOffset', $INPUT->str('codeblockOffset'));
1885    }
1886    $form->addElement(form_makeOpenTag('div', array('id'=>'wiki__editbar', 'class'=>'editBar')));
1887    $form->addElement(form_makeOpenTag('div', array('id'=>'size__ctl')));
1888    $form->addElement(form_makeCloseTag('div'));
1889    if ($wr) {
1890        $form->addElement(form_makeOpenTag('div', array('class'=>'editButtons')));
1891        $form->addElement(
1892            form_makeButton(
1893                'submit',
1894                'save',
1895                $lang['btn_save'],
1896                array('id' => 'edbtn__save', 'accesskey' => 's', 'tabindex' => '4')
1897            )
1898        );
1899        $form->addElement(
1900            form_makeButton(
1901                'submit',
1902                'preview',
1903                $lang['btn_preview'],
1904                array('id' => 'edbtn__preview', 'accesskey' => 'p', 'tabindex' => '5')
1905            )
1906        );
1907        $form->addElement(form_makeButton('submit', 'cancel', $lang['btn_cancel'], array('tabindex'=>'6')));
1908        $form->addElement(form_makeCloseTag('div'));
1909        $form->addElement(form_makeOpenTag('div', array('class'=>'summary')));
1910        $form->addElement(
1911            form_makeTextField(
1912                'summary',
1913                $SUM,
1914                $lang['summary'],
1915                'edit__summary',
1916                'nowrap',
1917                array('size' => '50', 'tabindex' => '2')
1918            )
1919        );
1920        $elem = html_minoredit();
1921        if ($elem) $form->addElement($elem);
1922        $form->addElement(form_makeCloseTag('div'));
1923    }
1924    $form->addElement(form_makeCloseTag('div'));
1925    if($wr && $conf['license']){
1926        $form->addElement(form_makeOpenTag('div', array('class'=>'license')));
1927        $out  = $lang['licenseok'];
1928        $out .= ' <a href="'.$license[$conf['license']]['url'].'" rel="license" class="urlextern"';
1929        if($conf['target']['extern']) $out .= ' target="'.$conf['target']['extern'].'"';
1930        $out .= '>'.$license[$conf['license']]['name'].'</a>';
1931        $form->addElement($out);
1932        $form->addElement(form_makeCloseTag('div'));
1933    }
1934
1935    if ($wr) {
1936        // sets changed to true when previewed
1937        echo '<script type="text/javascript">/*<![CDATA[*/'. NL;
1938        echo 'textChanged = ' . ($mod ? 'true' : 'false');
1939        echo '/*!]]>*/</script>' . NL;
1940    } ?>
1941    <div class="editBox" role="application">
1942
1943    <div class="toolbar group">
1944        <div id="draft__status" class="draft__status"><?php
1945            if(!empty($INFO['draft'])) echo $lang['draftdate'].' '.dformat();
1946            ?></div>
1947        <div id="tool__bar" class="tool__bar"><?php
1948            if ($wr && $data['media_manager']){
1949                ?><a href="<?php echo DOKU_BASE?>lib/exe/mediamanager.php?ns=<?php echo $INFO['namespace']?>"
1950                target="_blank"><?php echo $lang['mediaselect'] ?></a><?php
1951            }?></div>
1952    </div>
1953    <?php
1954
1955    html_form('edit', $form);
1956    print '</div>'.NL;
1957}
1958
1959/**
1960 * Display the default edit form
1961 *
1962 * Is the default action for HTML_EDIT_FORMSELECTION.
1963 *
1964 * @param mixed[] $param
1965 */
1966function html_edit_form($param) {
1967    global $TEXT;
1968
1969    if ($param['target'] !== 'section') {
1970        msg('No editor for edit target ' . hsc($param['target']) . ' found.', -1);
1971    }
1972
1973    $attr = array('tabindex'=>'1');
1974    if (!$param['wr']) $attr['readonly'] = 'readonly';
1975
1976    $param['form']->addElement(form_makeWikiText($TEXT, $attr));
1977}
1978
1979/**
1980 * Adds a checkbox for minor edits for logged in users
1981 *
1982 * @author Andreas Gohr <andi@splitbrain.org>
1983 *
1984 * @return array|bool
1985 */
1986function html_minoredit(){
1987    global $conf;
1988    global $lang;
1989    global $INPUT;
1990    // minor edits are for logged in users only
1991    if(!$conf['useacl'] || !$_SERVER['REMOTE_USER']){
1992        return false;
1993    }
1994
1995    $p = array();
1996    $p['tabindex'] = 3;
1997    if($INPUT->bool('minor')) $p['checked']='checked';
1998    return form_makeCheckboxField('minor', '1', $lang['minoredit'], 'minoredit', 'nowrap', $p);
1999}
2000
2001/**
2002 * prints some debug info
2003 *
2004 * @author Andreas Gohr <andi@splitbrain.org>
2005 */
2006function html_debug(){
2007    global $conf;
2008    global $lang;
2009    /** @var DokuWiki_Auth_Plugin $auth */
2010    global $auth;
2011    global $INFO;
2012
2013    //remove sensitive data
2014    $cnf = $conf;
2015    debug_guard($cnf);
2016    $nfo = $INFO;
2017    debug_guard($nfo);
2018    $ses = $_SESSION;
2019    debug_guard($ses);
2020
2021    print '<html><body>';
2022
2023    print '<p>When reporting bugs please send all the following ';
2024    print 'output as a mail to andi@splitbrain.org ';
2025    print 'The best way to do this is to save this page in your browser</p>';
2026
2027    print '<b>$INFO:</b><pre>';
2028    print_r($nfo);
2029    print '</pre>';
2030
2031    print '<b>$_SERVER:</b><pre>';
2032    print_r($_SERVER);
2033    print '</pre>';
2034
2035    print '<b>$conf:</b><pre>';
2036    print_r($cnf);
2037    print '</pre>';
2038
2039    print '<b>DOKU_BASE:</b><pre>';
2040    print DOKU_BASE;
2041    print '</pre>';
2042
2043    print '<b>abs DOKU_BASE:</b><pre>';
2044    print DOKU_URL;
2045    print '</pre>';
2046
2047    print '<b>rel DOKU_BASE:</b><pre>';
2048    print dirname($_SERVER['PHP_SELF']).'/';
2049    print '</pre>';
2050
2051    print '<b>PHP Version:</b><pre>';
2052    print phpversion();
2053    print '</pre>';
2054
2055    print '<b>locale:</b><pre>';
2056    print setlocale(LC_ALL,0);
2057    print '</pre>';
2058
2059    print '<b>encoding:</b><pre>';
2060    print $lang['encoding'];
2061    print '</pre>';
2062
2063    if($auth){
2064        print '<b>Auth backend capabilities:</b><pre>';
2065        foreach ($auth->getCapabilities() as $cando){
2066            print '   '.str_pad($cando,16) . ' => ' . (int)$auth->canDo($cando) . NL;
2067        }
2068        print '</pre>';
2069    }
2070
2071    print '<b>$_SESSION:</b><pre>';
2072    print_r($ses);
2073    print '</pre>';
2074
2075    print '<b>Environment:</b><pre>';
2076    print_r($_ENV);
2077    print '</pre>';
2078
2079    print '<b>PHP settings:</b><pre>';
2080    $inis = ini_get_all();
2081    print_r($inis);
2082    print '</pre>';
2083
2084    if (function_exists('apache_get_version')) {
2085        $apache = array();
2086        $apache['version'] = apache_get_version();
2087
2088        if (function_exists('apache_get_modules')) {
2089            $apache['modules'] = apache_get_modules();
2090        }
2091        print '<b>Apache</b><pre>';
2092        print_r($apache);
2093        print '</pre>';
2094    }
2095
2096    print '</body></html>';
2097}
2098
2099/**
2100 * Form to request a new password for an existing account
2101 *
2102 * @author Benoit Chesneau <benoit@bchesneau.info>
2103 * @author Andreas Gohr <gohr@cosmocode.de>
2104 */
2105function html_resendpwd() {
2106    global $lang;
2107    global $conf;
2108    global $INPUT;
2109
2110    $token = preg_replace('/[^a-f0-9]+/','',$INPUT->str('pwauth'));
2111
2112    if(!$conf['autopasswd'] && $token){
2113        print p_locale_xhtml('resetpwd');
2114        print '<div class="centeralign">'.NL;
2115        $form = new Doku_Form(array('id' => 'dw__resendpwd'));
2116        $form->startFieldset($lang['btn_resendpwd']);
2117        $form->addHidden('token', $token);
2118        $form->addHidden('do', 'resendpwd');
2119
2120        $form->addElement(form_makePasswordField('pass', $lang['pass'], '', 'block', array('size'=>'50')));
2121        $form->addElement(form_makePasswordField('passchk', $lang['passchk'], '', 'block', array('size'=>'50')));
2122
2123        $form->addElement(form_makeButton('submit', '', $lang['btn_resendpwd']));
2124        $form->endFieldset();
2125        html_form('resendpwd', $form);
2126        print '</div>'.NL;
2127    }else{
2128        print p_locale_xhtml('resendpwd');
2129        print '<div class="centeralign">'.NL;
2130        $form = new Doku_Form(array('id' => 'dw__resendpwd'));
2131        $form->startFieldset($lang['resendpwd']);
2132        $form->addHidden('do', 'resendpwd');
2133        $form->addHidden('save', '1');
2134        $form->addElement(form_makeTag('br'));
2135        $form->addElement(form_makeTextField('login', $INPUT->post->str('login'), $lang['user'], '', 'block'));
2136        $form->addElement(form_makeTag('br'));
2137        $form->addElement(form_makeTag('br'));
2138        $form->addElement(form_makeButton('submit', '', $lang['btn_resendpwd']));
2139        $form->endFieldset();
2140        html_form('resendpwd', $form);
2141        print '</div>'.NL;
2142    }
2143}
2144
2145/**
2146 * Return the TOC rendered to XHTML
2147 *
2148 * @author Andreas Gohr <andi@splitbrain.org>
2149 *
2150 * @param array $toc
2151 * @return string html
2152 */
2153function html_TOC($toc){
2154    if(!count($toc)) return '';
2155    global $lang;
2156    $out  = '<!-- TOC START -->'.DOKU_LF;
2157    $out .= '<div id="dw__toc" class="dw__toc">'.DOKU_LF;
2158    $out .= '<h3 class="toggle">';
2159    $out .= $lang['toc'];
2160    $out .= '</h3>'.DOKU_LF;
2161    $out .= '<div>'.DOKU_LF;
2162    $out .= html_buildlist($toc,'toc','html_list_toc','html_li_default',true);
2163    $out .= '</div>'.DOKU_LF.'</div>'.DOKU_LF;
2164    $out .= '<!-- TOC END -->'.DOKU_LF;
2165    return $out;
2166}
2167
2168/**
2169 * Callback for html_buildlist
2170 *
2171 * @param array $item
2172 * @return string html
2173 */
2174function html_list_toc($item){
2175    if(isset($item['hid'])){
2176        $link = '#'.$item['hid'];
2177    }else{
2178        $link = $item['link'];
2179    }
2180
2181    return '<a href="'.$link.'">'.hsc($item['title']).'</a>';
2182}
2183
2184/**
2185 * Helper function to build TOC items
2186 *
2187 * Returns an array ready to be added to a TOC array
2188 *
2189 * @param string $link  - where to link (if $hash set to '#' it's a local anchor)
2190 * @param string $text  - what to display in the TOC
2191 * @param int    $level - nesting level
2192 * @param string $hash  - is prepended to the given $link, set blank if you want full links
2193 * @return array the toc item
2194 */
2195function html_mktocitem($link, $text, $level, $hash='#'){
2196    return  array( 'link'  => $hash.$link,
2197            'title' => $text,
2198            'type'  => 'ul',
2199            'level' => $level);
2200}
2201
2202/**
2203 * Output a Doku_Form object.
2204 * Triggers an event with the form name: HTML_{$name}FORM_OUTPUT
2205 *
2206 * @author Tom N Harris <tnharris@whoopdedo.org>
2207 *
2208 * @param string     $name The name of the form
2209 * @param Doku_Form  $form The form
2210 */
2211function html_form($name, &$form) {
2212    // Safety check in case the caller forgets.
2213    $form->endFieldset();
2214    trigger_event('HTML_'.strtoupper($name).'FORM_OUTPUT', $form, 'html_form_output', false);
2215}
2216
2217/**
2218 * Form print function.
2219 * Just calls printForm() on the data object.
2220 *
2221 * @param Doku_Form $data The form
2222 */
2223function html_form_output($data) {
2224    $data->printForm();
2225}
2226
2227/**
2228 * Embed a flash object in HTML
2229 *
2230 * This will create the needed HTML to embed a flash movie in a cross browser
2231 * compatble way using valid XHTML
2232 *
2233 * The parameters $params, $flashvars and $atts need to be associative arrays.
2234 * No escaping needs to be done for them. The alternative content *has* to be
2235 * escaped because it is used as is. If no alternative content is given
2236 * $lang['noflash'] is used.
2237 *
2238 * @author Andreas Gohr <andi@splitbrain.org>
2239 * @link   http://latrine.dgx.cz/how-to-correctly-insert-a-flash-into-xhtml
2240 *
2241 * @param string $swf      - the SWF movie to embed
2242 * @param int $width       - width of the flash movie in pixels
2243 * @param int $height      - height of the flash movie in pixels
2244 * @param array $params    - additional parameters (<param>)
2245 * @param array $flashvars - parameters to be passed in the flashvar parameter
2246 * @param array $atts      - additional attributes for the <object> tag
2247 * @param string $alt      - alternative content (is NOT automatically escaped!)
2248 * @return string         - the XHTML markup
2249 */
2250function html_flashobject($swf,$width,$height,$params=null,$flashvars=null,$atts=null,$alt=''){
2251    global $lang;
2252
2253    $out = '';
2254
2255    // prepare the object attributes
2256    if(is_null($atts)) $atts = array();
2257    $atts['width']  = (int) $width;
2258    $atts['height'] = (int) $height;
2259    if(!$atts['width'])  $atts['width']  = 425;
2260    if(!$atts['height']) $atts['height'] = 350;
2261
2262    // add object attributes for standard compliant browsers
2263    $std = $atts;
2264    $std['type'] = 'application/x-shockwave-flash';
2265    $std['data'] = $swf;
2266
2267    // add object attributes for IE
2268    $ie  = $atts;
2269    $ie['classid'] = 'clsid:D27CDB6E-AE6D-11cf-96B8-444553540000';
2270
2271    // open object (with conditional comments)
2272    $out .= '<!--[if !IE]> -->'.NL;
2273    $out .= '<object '.buildAttributes($std).'>'.NL;
2274    $out .= '<!-- <![endif]-->'.NL;
2275    $out .= '<!--[if IE]>'.NL;
2276    $out .= '<object '.buildAttributes($ie).'>'.NL;
2277    $out .= '    <param name="movie" value="'.hsc($swf).'" />'.NL;
2278    $out .= '<!--><!-- -->'.NL;
2279
2280    // print params
2281    if(is_array($params)) foreach($params as $key => $val){
2282        $out .= '  <param name="'.hsc($key).'" value="'.hsc($val).'" />'.NL;
2283    }
2284
2285    // add flashvars
2286    if(is_array($flashvars)){
2287        $out .= '  <param name="FlashVars" value="'.buildURLparams($flashvars).'" />'.NL;
2288    }
2289
2290    // alternative content
2291    if($alt){
2292        $out .= $alt.NL;
2293    }else{
2294        $out .= $lang['noflash'].NL;
2295    }
2296
2297    // finish
2298    $out .= '</object>'.NL;
2299    $out .= '<!-- <![endif]-->'.NL;
2300
2301    return $out;
2302}
2303
2304/**
2305 * Prints HTML code for the given tab structure
2306 *
2307 * @param array  $tabs        tab structure
2308 * @param string $current_tab the current tab id
2309 */
2310function html_tabs($tabs, $current_tab = null) {
2311    echo '<ul class="tabs">'.NL;
2312
2313    foreach($tabs as $id => $tab) {
2314        html_tab($tab['href'], $tab['caption'], $id === $current_tab);
2315    }
2316
2317    echo '</ul>'.NL;
2318}
2319
2320/**
2321 * Prints a single tab
2322 *
2323 * @author Kate Arzamastseva <pshns@ukr.net>
2324 * @author Adrian Lang <mail@adrianlang.de>
2325 *
2326 * @param string $href - tab href
2327 * @param string $caption - tab caption
2328 * @param boolean $selected - is tab selected
2329 */
2330
2331function html_tab($href, $caption, $selected=false) {
2332    $tab = '<li>';
2333    if ($selected) {
2334        $tab .= '<strong>';
2335    } else {
2336        $tab .= '<a href="' . hsc($href) . '">';
2337    }
2338    $tab .= hsc($caption)
2339         .  '</' . ($selected ? 'strong' : 'a') . '>'
2340         .  '</li>'.NL;
2341    echo $tab;
2342}
2343
2344/**
2345 * Display size change
2346 *
2347 * @param int $sizechange - size of change in Bytes
2348 * @param Doku_Form $form - form to add elements to
2349 */
2350
2351function html_sizechange($sizechange, Doku_Form $form) {
2352    if(isset($sizechange)) {
2353        $class = 'sizechange';
2354        $value = filesize_h(abs($sizechange));
2355        if($sizechange > 0) {
2356            $class .= ' positive';
2357            $value = '+' . $value;
2358        } elseif($sizechange < 0) {
2359            $class .= ' negative';
2360            $value = '-' . $value;
2361        } else {
2362            $value = '±' . $value;
2363        }
2364        $form->addElement(form_makeOpenTag('span', array('class' => $class)));
2365        $form->addElement($value);
2366        $form->addElement(form_makeCloseTag('span'));
2367    }
2368}
2369