xref: /dokuwiki/inc/html.php (revision 55123b455b62405f9239c6de9768c1e7e4c57607) 
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        $form->addElement(form_makeCloseTag('span'));
589
590        if(isset($sizechange)) {
591            $class = 'sizechange';
592            $value = filesize_h(abs($sizechange));
593            if($sizechange > 0) {
594                $class .= ' positive';
595                $value = '+' . $value;
596            } elseif($sizechange < 0) {
597                $class .= ' negative';
598                $value = '-' . $value;
599            }
600            $form->addElement(form_makeOpenTag('span', array('class' => $class)));
601            $form->addElement($value);
602            $form->addElement(form_makeCloseTag('span'));
603        }
604
605        $form->addElement('('.$lang['current'].')');
606
607        if ($media_id) $form->addElement(form_makeCloseTag('div'));
608
609        $form->addElement(form_makeCloseTag('div'));
610        $form->addElement(form_makeCloseTag('li'));
611    }
612
613    foreach($revisions as $rev) {
614        $date = dformat($rev);
615        $info = $changelog->getRevisionInfo($rev);
616        if($media_id) {
617            $exists = file_exists(mediaFN($id, $rev));
618        } else {
619            $exists = page_exists($id, $rev);
620        }
621
622        $class = '';
623        if($info['type'] === DOKU_CHANGE_TYPE_MINOR_EDIT) {
624            $class = 'minor';
625        }
626        $form->addElement(form_makeOpenTag('li', array('class' => $class)));
627        $form->addElement(form_makeOpenTag('div', array('class' => 'li')));
628        if($exists){
629            $form->addElement(form_makeTag('input', array(
630                            'type' => 'checkbox',
631                            'name' => 'rev2[]',
632                            'value' => $rev)));
633        }else{
634            $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
635        }
636
637        $form->addElement(form_makeOpenTag('span', array('class' => 'date')));
638        $form->addElement($date);
639        $form->addElement(form_makeCloseTag('span'));
640
641        if($exists){
642            if (!$media_id) {
643                $href = wl($id,"rev=$rev,do=diff", false, '&');
644            } else {
645                $href = media_managerURL(array('image' => $id, 'rev' => $rev, 'mediado' => 'diff'), '&');
646            }
647            $form->addElement(form_makeOpenTag('a', array(
648                            'class' => 'diff_link',
649                            'href' => $href)));
650            $form->addElement(form_makeTag('img', array(
651                            'src'    => DOKU_BASE.'lib/images/diff.png',
652                            'width'  => 15,
653                            'height' => 11,
654                            'title'  => $lang['diff'],
655                            'alt'    => $lang['diff'])));
656            $form->addElement(form_makeCloseTag('a'));
657
658            if (!$media_id) {
659                $href = wl($id,"rev=$rev",false,'&');
660            } else {
661                $href = media_managerURL(array('image' => $id, 'tab_details' => 'view', 'rev' => $rev), '&');
662            }
663            $form->addElement(form_makeOpenTag('a', array(
664                            'class' => 'wikilink1',
665                            'href' => $href)));
666            $form->addElement($display_name);
667            $form->addElement(form_makeCloseTag('a'));
668        }else{
669            $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
670            $form->addElement($display_name);
671        }
672
673        if ($media_id) $form->addElement(form_makeOpenTag('div'));
674
675        if ($info['sum']) {
676            $form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
677            if(!$media_id) $form->addElement(' – ');
678            $form->addElement('<bdi>'.htmlspecialchars($info['sum']).'</bdi>');
679            $form->addElement(form_makeCloseTag('span'));
680        }
681
682        $form->addElement(form_makeOpenTag('span', array('class' => 'user')));
683        if($info['user']){
684            $form->addElement('<bdi>'.editorinfo($info['user']).'</bdi>');
685            if(auth_ismanager()){
686                $form->addElement(' <bdo dir="ltr">('.$info['ip'].')</bdo>');
687            }
688        }else{
689            $form->addElement('<bdo dir="ltr">'.$info['ip'].'</bdo>');
690        }
691        $form->addElement(form_makeCloseTag('span'));
692
693        if(isset($info['sizechange'])) {
694            $class = 'sizechange';
695            $value = filesize_h(abs($info['sizechange']));
696            if($info['sizechange'] > 0) {
697                $class .= ' positive';
698                $value = '+' . $value;
699            } elseif($info['sizechange'] < 0) {
700                $class .= ' negative';
701                $value = '-' . $value;
702            }
703            $form->addElement(form_makeOpenTag('span', array('class' => $class)));
704            $form->addElement($value);
705            $form->addElement(form_makeCloseTag('span'));
706        }
707
708        if ($media_id) $form->addElement(form_makeCloseTag('div'));
709
710        $form->addElement(form_makeCloseTag('div'));
711        $form->addElement(form_makeCloseTag('li'));
712    }
713    $form->addElement(form_makeCloseTag('ul'));
714    if (!$media_id) {
715        $form->addElement(form_makeButton('submit', 'diff', $lang['diff2']));
716    } else {
717        $form->addHidden('mediado', 'diff');
718        $form->addElement(form_makeButton('submit', '', $lang['diff2']));
719    }
720    html_form('revisions', $form);
721
722    print '<div class="pagenav">';
723    $last = $first + $conf['recent'];
724    if ($first > 0) {
725        $first -= $conf['recent'];
726        if ($first < 0) $first = 0;
727        print '<div class="pagenav-prev">';
728        if ($media_id) {
729            print html_btn('newer',$media_id,"p",media_managerURL(array('first' => $first), '&amp;', false, true));
730        } else {
731            print html_btn('newer',$id,"p",array('do' => 'revisions', 'first' => $first));
732        }
733        print '</div>';
734    }
735    if ($hasNext) {
736        print '<div class="pagenav-next">';
737        if ($media_id) {
738            print html_btn('older',$media_id,"n",media_managerURL(array('first' => $last), '&amp;', false, true));
739        } else {
740            print html_btn('older',$id,"n",array('do' => 'revisions', 'first' => $last));
741        }
742        print '</div>';
743    }
744    print '</div>';
745
746}
747
748/**
749 * display recent changes
750 *
751 * @author Andreas Gohr <andi@splitbrain.org>
752 * @author Matthias Grimm <matthiasgrimm@users.sourceforge.net>
753 * @author Ben Coburn <btcoburn@silicodon.net>
754 * @author Kate Arzamastseva <pshns@ukr.net>
755 *
756 * @param int $first
757 * @param string $show_changes
758 */
759function html_recent($first = 0, $show_changes = 'both') {
760    global $conf;
761    global $lang;
762    global $ID;
763    /* we need to get one additionally log entry to be able to
764     * decide if this is the last page or is there another one.
765     * This is the cheapest solution to get this information.
766     */
767    $flags = 0;
768    if($show_changes == 'mediafiles' && $conf['mediarevisions']) {
769        $flags = RECENTS_MEDIA_CHANGES;
770    } elseif($show_changes == 'pages') {
771        $flags = 0;
772    } elseif($conf['mediarevisions']) {
773        $show_changes = 'both';
774        $flags = RECENTS_MEDIA_PAGES_MIXED;
775    }
776
777    $recents = getRecents($first, $conf['recent'] + 1, getNS($ID), $flags);
778    if(count($recents) == 0 && $first != 0) {
779        $first = 0;
780        $recents = getRecents($first, $conf['recent'] + 1, getNS($ID), $flags);
781    }
782    $hasNext = false;
783    if(count($recents) > $conf['recent']) {
784        $hasNext = true;
785        array_pop($recents); // remove extra log entry
786    }
787
788    print p_locale_xhtml('recent');
789
790    if(getNS($ID) != '') {
791        print '<div class="level1"><p>' . sprintf($lang['recent_global'], getNS($ID), wl('', 'do=recent')) . '</p></div>';
792    }
793
794    $form = new Doku_Form(array('id' => 'dw__recent', 'method' => 'GET', 'class' => 'changes'));
795    $form->addHidden('sectok', null);
796    $form->addHidden('do', 'recent');
797    $form->addHidden('id', $ID);
798
799    if($conf['mediarevisions']) {
800        $form->addElement('<div class="changeType">');
801        $form->addElement(form_makeListboxField(
802                    'show_changes',
803                    array(
804                        'pages'      => $lang['pages_changes'],
805                        'mediafiles' => $lang['media_changes'],
806                        'both'       => $lang['both_changes']
807                    ),
808                    $show_changes,
809                    $lang['changes_type'],
810                    '', '',
811                    array('class' => 'quickselect')));
812
813        $form->addElement(form_makeButton('submit', 'recent', $lang['btn_apply']));
814        $form->addElement('</div>');
815    }
816
817    $form->addElement(form_makeOpenTag('ul'));
818
819    foreach($recents as $recent) {
820        $date = dformat($recent['date']);
821
822        $class = '';
823        if($recent['type'] === DOKU_CHANGE_TYPE_MINOR_EDIT) {
824            $class = 'minor';
825        }
826        $form->addElement(form_makeOpenTag('li', array('class' => $class)));
827        $form->addElement(form_makeOpenTag('div', array('class' => 'li')));
828
829        if(!empty($recent['media'])) {
830            $form->addElement(media_printicon($recent['id']));
831        } else {
832            $icon = DOKU_BASE . 'lib/images/fileicons/file.png';
833            $form->addElement('<img src="' . $icon . '" alt="' . $recent['id'] . '" class="icon" />');
834        }
835
836        $form->addElement(form_makeOpenTag('span', array('class' => 'date')));
837        $form->addElement($date);
838        $form->addElement(form_makeCloseTag('span'));
839
840        $diff = false;
841        $href = '';
842
843        if(!empty($recent['media'])) {
844            $changelog = new MediaChangeLog($recent['id']);
845            $revs = $changelog->getRevisions(0, 1);
846            $diff = (count($revs) && file_exists(mediaFN($recent['id'])));
847            if($diff) {
848                $href = media_managerURL(array(
849                                            'tab_details' => 'history',
850                                            'mediado' => 'diff',
851                                            'image' => $recent['id'],
852                                            'ns' => getNS($recent['id'])
853                                        ), '&');
854            }
855        } else {
856            $href = wl($recent['id'], "do=diff", false, '&');
857        }
858
859        if(!empty($recent['media']) && !$diff) {
860            $form->addElement('<img src="' . DOKU_BASE . 'lib/images/blank.gif" width="15" height="11" alt="" />');
861        } else {
862            $form->addElement(form_makeOpenTag('a', array('class' => 'diff_link', 'href' => $href)));
863            $form->addElement(form_makeTag('img', array(
864                            'src'    => DOKU_BASE . 'lib/images/diff.png',
865                            'width'  => 15,
866                            'height' => 11,
867                            'title'  => $lang['diff'],
868                            'alt'    => $lang['diff']
869                        )));
870            $form->addElement(form_makeCloseTag('a'));
871        }
872
873        if(!empty($recent['media'])) {
874            $href = media_managerURL(array('tab_details' => 'history', 'image' => $recent['id'], 'ns' => getNS($recent['id'])), '&');
875        } else {
876            $href = wl($recent['id'], "do=revisions", false, '&');
877        }
878        $form->addElement(form_makeOpenTag('a', array(
879                        'class' => 'revisions_link',
880                        'href'  => $href)));
881        $form->addElement(form_makeTag('img', array(
882                        'src'    => DOKU_BASE . 'lib/images/history.png',
883                        'width'  => 12,
884                        'height' => 14,
885                        'title'  => $lang['btn_revs'],
886                        'alt'    => $lang['btn_revs']
887                    )));
888        $form->addElement(form_makeCloseTag('a'));
889
890        if(!empty($recent['media'])) {
891            $href = media_managerURL(array('tab_details' => 'view', 'image' => $recent['id'], 'ns' => getNS($recent['id'])), '&');
892            $class = file_exists(mediaFN($recent['id'])) ? 'wikilink1' : 'wikilink2';
893            $form->addElement(form_makeOpenTag('a', array(
894                        'class' => $class,
895                        'href'  => $href)));
896            $form->addElement($recent['id']);
897            $form->addElement(form_makeCloseTag('a'));
898        } else {
899            $form->addElement(html_wikilink(':' . $recent['id'], useHeading('navigation') ? null : $recent['id']));
900        }
901        $form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
902        $form->addElement(' – ' . htmlspecialchars($recent['sum']));
903        $form->addElement(form_makeCloseTag('span'));
904
905        $form->addElement(form_makeOpenTag('span', array('class' => 'user')));
906        if($recent['user']) {
907            $form->addElement('<bdi>' . editorinfo($recent['user']) . '</bdi>');
908            if(auth_ismanager()) {
909                $form->addElement(' <bdo dir="ltr">(' . $recent['ip'] . ')</bdo>');
910            }
911        } else {
912            $form->addElement('<bdo dir="ltr">' . $recent['ip'] . '</bdo>');
913        }
914        $form->addElement(form_makeCloseTag('span'));
915
916        if(isset($recent['sizechange'])) {
917            $class = 'sizechange';
918            $value = filesize_h(abs($recent['sizechange']));
919            if($recent['sizechange'] > 0) {
920                $class .= ' positive';
921                $value = '+' . $value;
922            } elseif($recent['sizechange'] < 0) {
923                $class .= ' negative';
924                $value = '-' . $value;
925            }
926            $form->addElement(form_makeOpenTag('span', array('class' => $class)));
927            $form->addElement($value);
928            $form->addElement(form_makeCloseTag('span'));
929        }
930
931        $form->addElement(form_makeCloseTag('div'));
932        $form->addElement(form_makeCloseTag('li'));
933    }
934    $form->addElement(form_makeCloseTag('ul'));
935
936    $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav')));
937    $last = $first + $conf['recent'];
938    if($first > 0) {
939        $first -= $conf['recent'];
940        if($first < 0) $first = 0;
941        $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav-prev')));
942        $form->addElement(form_makeOpenTag('button', array(
943                        'type'      => 'submit',
944                        'name'      => 'first[' . $first . ']',
945                        'accesskey' => 'n',
946                        'title'     => $lang['btn_newer'] . ' [N]',
947                        'class'     => 'button show'
948                    )));
949        $form->addElement($lang['btn_newer']);
950        $form->addElement(form_makeCloseTag('button'));
951        $form->addElement(form_makeCloseTag('div'));
952    }
953    if($hasNext) {
954        $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav-next')));
955        $form->addElement(form_makeOpenTag('button', array(
956                        'type'      => 'submit',
957                        'name'      => 'first[' . $last . ']',
958                        'accesskey' => 'p',
959                        'title'     => $lang['btn_older'] . ' [P]',
960                        'class'     => 'button show'
961                    )));
962        $form->addElement($lang['btn_older']);
963        $form->addElement(form_makeCloseTag('button'));
964        $form->addElement(form_makeCloseTag('div'));
965    }
966    $form->addElement(form_makeCloseTag('div'));
967    html_form('recent', $form);
968}
969
970/**
971 * Display page index
972 *
973 * @author Andreas Gohr <andi@splitbrain.org>
974 *
975 * @param string $ns
976 */
977function html_index($ns){
978    global $conf;
979    global $ID;
980    $ns  = cleanID($ns);
981    if(empty($ns)){
982        $ns = getNS($ID);
983        if($ns === false) $ns ='';
984    }
985    $ns  = utf8_encodeFN(str_replace(':','/',$ns));
986
987    echo p_locale_xhtml('index');
988    echo '<div id="index__tree">';
989
990    $data = array();
991    search($data,$conf['datadir'],'search_index',array('ns' => $ns));
992    echo html_buildlist($data,'idx','html_list_index','html_li_index');
993
994    echo '</div>';
995}
996
997/**
998 * Index item formatter
999 *
1000 * User function for html_buildlist()
1001 *
1002 * @author Andreas Gohr <andi@splitbrain.org>
1003 *
1004 * @param array $item
1005 * @return string
1006 */
1007function html_list_index($item){
1008    global $ID, $conf;
1009
1010    // prevent searchbots needlessly following links
1011    $nofollow = ($ID != $conf['start'] || $conf['sitemap']) ? ' rel="nofollow"' : '';
1012
1013    $ret = '';
1014    $base = ':'.$item['id'];
1015    $base = substr($base,strrpos($base,':')+1);
1016    if($item['type']=='d'){
1017        // FS#2766, no need for search bots to follow namespace links in the index
1018        $ret .= '<a href="'.wl($ID,'idx='.rawurlencode($item['id'])).'" title="' . $item['id'] . '" class="idx_dir"' . $nofollow . '><strong>';
1019        $ret .= $base;
1020        $ret .= '</strong></a>';
1021    }else{
1022        // default is noNSorNS($id), but we want noNS($id) when useheading is off FS#2605
1023        $ret .= html_wikilink(':'.$item['id'], useHeading('navigation') ? null : noNS($item['id']));
1024    }
1025    return $ret;
1026}
1027
1028/**
1029 * Index List item
1030 *
1031 * This user function is used in html_buildlist to build the
1032 * <li> tags for namespaces when displaying the page index
1033 * it gives different classes to opened or closed "folders"
1034 *
1035 * @author Andreas Gohr <andi@splitbrain.org>
1036 *
1037 * @param array $item
1038 * @return string html
1039 */
1040function html_li_index($item){
1041    global $INFO;
1042    global $ACT;
1043
1044    $class = '';
1045    $id = '';
1046
1047    if($item['type'] == "f"){
1048        // scroll to the current item
1049        if($item['id'] == $INFO['id'] && $ACT == 'index') {
1050            $id = ' id="scroll__here"';
1051            $class = ' bounce';
1052        }
1053        return '<li class="level'.$item['level'].$class.'" '.$id.'>';
1054    }elseif($item['open']){
1055        return '<li class="open">';
1056    }else{
1057        return '<li class="closed">';
1058    }
1059}
1060
1061/**
1062 * Default List item
1063 *
1064 * @author Andreas Gohr <andi@splitbrain.org>
1065 *
1066 * @param array $item
1067 * @return string html
1068 */
1069function html_li_default($item){
1070    return '<li class="level'.$item['level'].'">';
1071}
1072
1073/**
1074 * Build an unordered list
1075 *
1076 * Build an unordered list from the given $data array
1077 * Each item in the array has to have a 'level' property
1078 * the item itself gets printed by the given $func user
1079 * function. The second and optional function is used to
1080 * print the <li> tag. Both user function need to accept
1081 * a single item.
1082 *
1083 * Both user functions can be given as array to point to
1084 * a member of an object.
1085 *
1086 * @author Andreas Gohr <andi@splitbrain.org>
1087 *
1088 * @param array    $data  array with item arrays
1089 * @param string   $class class of ul wrapper
1090 * @param callable $func  callback to print an list item
1091 * @param callable $lifunc callback to the opening li tag
1092 * @param bool     $forcewrapper Trigger building a wrapper ul if the first level is
1093 *                               0 (we have a root object) or 1 (just the root content)
1094 * @return string html of an unordered list
1095 */
1096function html_buildlist($data,$class,$func,$lifunc='html_li_default',$forcewrapper=false){
1097    if (count($data) === 0) {
1098        return '';
1099    }
1100
1101    $start_level = $data[0]['level'];
1102    $level = $start_level;
1103    $ret   = '';
1104    $open  = 0;
1105
1106    foreach ($data as $item){
1107
1108        if( $item['level'] > $level ){
1109            //open new list
1110            for($i=0; $i<($item['level'] - $level); $i++){
1111                if ($i) $ret .= "<li class=\"clear\">";
1112                $ret .= "\n<ul class=\"$class\">\n";
1113                $open++;
1114            }
1115            $level = $item['level'];
1116
1117        }elseif( $item['level'] < $level ){
1118            //close last item
1119            $ret .= "</li>\n";
1120            while( $level > $item['level'] && $open > 0 ){
1121                //close higher lists
1122                $ret .= "</ul>\n</li>\n";
1123                $level--;
1124                $open--;
1125            }
1126        } elseif ($ret !== '') {
1127            //close previous item
1128            $ret .= "</li>\n";
1129        }
1130
1131        //print item
1132        $ret .= call_user_func($lifunc,$item);
1133        $ret .= '<div class="li">';
1134
1135        $ret .= call_user_func($func,$item);
1136        $ret .= '</div>';
1137    }
1138
1139    //close remaining items and lists
1140    $ret .= "</li>\n";
1141    while($open-- > 0) {
1142        $ret .= "</ul></li>\n";
1143    }
1144
1145    if ($forcewrapper || $start_level < 2) {
1146        // Trigger building a wrapper ul if the first level is
1147        // 0 (we have a root object) or 1 (just the root content)
1148        $ret = "\n<ul class=\"$class\">\n".$ret."</ul>\n";
1149    }
1150
1151    return $ret;
1152}
1153
1154/**
1155 * display backlinks
1156 *
1157 * @author Andreas Gohr <andi@splitbrain.org>
1158 * @author Michael Klier <chi@chimeric.de>
1159 */
1160function html_backlinks(){
1161    global $ID;
1162    global $lang;
1163
1164    print p_locale_xhtml('backlinks');
1165
1166    $data = ft_backlinks($ID);
1167
1168    if(!empty($data)) {
1169        print '<ul class="idx">';
1170        foreach($data as $blink){
1171            print '<li><div class="li">';
1172            print html_wikilink(':'.$blink,useHeading('navigation')?null:$blink);
1173            print '</div></li>';
1174        }
1175        print '</ul>';
1176    } else {
1177        print '<div class="level1"><p>' . $lang['nothingfound'] . '</p></div>';
1178    }
1179}
1180
1181/**
1182 * Get header of diff HTML
1183 *
1184 * @param string $l_rev   Left revisions
1185 * @param string $r_rev   Right revision
1186 * @param string $id      Page id, if null $ID is used
1187 * @param bool   $media   If it is for media files
1188 * @param bool   $inline  Return the header on a single line
1189 * @return string[] HTML snippets for diff header
1190 */
1191function html_diff_head($l_rev, $r_rev, $id = null, $media = false, $inline = false) {
1192    global $lang;
1193    if ($id === null) {
1194        global $ID;
1195        $id = $ID;
1196    }
1197    $head_separator = $inline ? ' ' : '<br />';
1198    $media_or_wikiFN = $media ? 'mediaFN' : 'wikiFN';
1199    $ml_or_wl = $media ? 'ml' : 'wl';
1200    $l_minor = $r_minor = '';
1201
1202    if($media) {
1203        $changelog = new MediaChangeLog($id);
1204    } else {
1205        $changelog = new PageChangeLog($id);
1206    }
1207    if(!$l_rev){
1208        $l_head = '&mdash;';
1209    }else{
1210        $l_info   = $changelog->getRevisionInfo($l_rev);
1211        if($l_info['user']){
1212            $l_user = '<bdi>'.editorinfo($l_info['user']).'</bdi>';
1213            if(auth_ismanager()) $l_user .= ' <bdo dir="ltr">('.$l_info['ip'].')</bdo>';
1214        } else {
1215            $l_user = '<bdo dir="ltr">'.$l_info['ip'].'</bdo>';
1216        }
1217        $l_user  = '<span class="user">'.$l_user.'</span>';
1218        $l_sum   = ($l_info['sum']) ? '<span class="sum"><bdi>'.hsc($l_info['sum']).'</bdi></span>' : '';
1219        if ($l_info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT) $l_minor = 'class="minor"';
1220
1221        $l_head_title = ($media) ? dformat($l_rev) : $id.' ['.dformat($l_rev).']';
1222        $l_head = '<bdi><a class="wikilink1" href="'.$ml_or_wl($id,"rev=$l_rev").'">'.
1223        $l_head_title.'</a></bdi>'.
1224        $head_separator.$l_user.' '.$l_sum;
1225    }
1226
1227    if($r_rev){
1228        $r_info   = $changelog->getRevisionInfo($r_rev);
1229        if($r_info['user']){
1230            $r_user = '<bdi>'.editorinfo($r_info['user']).'</bdi>';
1231            if(auth_ismanager()) $r_user .= ' <bdo dir="ltr">('.$r_info['ip'].')</bdo>';
1232        } else {
1233            $r_user = '<bdo dir="ltr">'.$r_info['ip'].'</bdo>';
1234        }
1235        $r_user = '<span class="user">'.$r_user.'</span>';
1236        $r_sum  = ($r_info['sum']) ? '<span class="sum"><bdi>'.hsc($r_info['sum']).'</bdi></span>' : '';
1237        if ($r_info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT) $r_minor = 'class="minor"';
1238
1239        $r_head_title = ($media) ? dformat($r_rev) : $id.' ['.dformat($r_rev).']';
1240        $r_head = '<bdi><a class="wikilink1" href="'.$ml_or_wl($id,"rev=$r_rev").'">'.
1241        $r_head_title.'</a></bdi>'.
1242        $head_separator.$r_user.' '.$r_sum;
1243    }elseif($_rev = @filemtime($media_or_wikiFN($id))){
1244        $_info   = $changelog->getRevisionInfo($_rev);
1245        if($_info['user']){
1246            $_user = '<bdi>'.editorinfo($_info['user']).'</bdi>';
1247            if(auth_ismanager()) $_user .= ' <bdo dir="ltr">('.$_info['ip'].')</bdo>';
1248        } else {
1249            $_user = '<bdo dir="ltr">'.$_info['ip'].'</bdo>';
1250        }
1251        $_user = '<span class="user">'.$_user.'</span>';
1252        $_sum  = ($_info['sum']) ? '<span class="sum"><bdi>'.hsc($_info['sum']).'</span></bdi>' : '';
1253        if ($_info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT) $r_minor = 'class="minor"';
1254
1255        $r_head_title = ($media) ? dformat($_rev) : $id.' ['.dformat($_rev).']';
1256        $r_head  = '<bdi><a class="wikilink1" href="'.$ml_or_wl($id).'">'.
1257        $r_head_title.'</a></bdi> '.
1258        '('.$lang['current'].')'.
1259        $head_separator.$_user.' '.$_sum;
1260    }else{
1261        $r_head = '&mdash; ('.$lang['current'].')';
1262    }
1263
1264    return array($l_head, $r_head, $l_minor, $r_minor);
1265}
1266
1267/**
1268 * Show diff
1269 * between current page version and provided $text
1270 * or between the revisions provided via GET or POST
1271 *
1272 * @author Andreas Gohr <andi@splitbrain.org>
1273 * @param  string $text  when non-empty: compare with this text with most current version
1274 * @param  bool   $intro display the intro text
1275 * @param  string $type  type of the diff (inline or sidebyside)
1276 */
1277function html_diff($text = '', $intro = true, $type = null) {
1278    global $ID;
1279    global $REV;
1280    global $lang;
1281    global $INPUT;
1282    global $INFO;
1283    $pagelog = new PageChangeLog($ID);
1284
1285    /*
1286     * Determine diff type
1287     */
1288    if(!$type) {
1289        $type = $INPUT->str('difftype');
1290        if(empty($type)) {
1291            $type = get_doku_pref('difftype', $type);
1292            if(empty($type) && $INFO['ismobile']) {
1293                $type = 'inline';
1294            }
1295        }
1296    }
1297    if($type != 'inline') $type = 'sidebyside';
1298
1299    /*
1300     * Determine requested revision(s)
1301     */
1302    // we're trying to be clever here, revisions to compare can be either
1303    // given as rev and rev2 parameters, with rev2 being optional. Or in an
1304    // array in rev2.
1305    $rev1 = $REV;
1306
1307    $rev2 = $INPUT->ref('rev2');
1308    if(is_array($rev2)) {
1309        $rev1 = (int) $rev2[0];
1310        $rev2 = (int) $rev2[1];
1311
1312        if(!$rev1) {
1313            $rev1 = $rev2;
1314            unset($rev2);
1315        }
1316    } else {
1317        $rev2 = $INPUT->int('rev2');
1318    }
1319
1320    /*
1321     * Determine left and right revision, its texts and the header
1322     */
1323    $r_minor = '';
1324    $l_minor = '';
1325
1326    if($text) { // compare text to the most current revision
1327        $l_rev = '';
1328        $l_text = rawWiki($ID, '');
1329        $l_head = '<a class="wikilink1" href="' . wl($ID) . '">' .
1330            $ID . ' ' . dformat((int) @filemtime(wikiFN($ID))) . '</a> ' .
1331            $lang['current'];
1332
1333        $r_rev = '';
1334        $r_text = cleanText($text);
1335        $r_head = $lang['yours'];
1336    } else {
1337        if($rev1 && isset($rev2) && $rev2) { // two specific revisions wanted
1338            // make sure order is correct (older on the left)
1339            if($rev1 < $rev2) {
1340                $l_rev = $rev1;
1341                $r_rev = $rev2;
1342            } else {
1343                $l_rev = $rev2;
1344                $r_rev = $rev1;
1345            }
1346        } elseif($rev1) { // single revision given, compare to current
1347            $r_rev = '';
1348            $l_rev = $rev1;
1349        } else { // no revision was given, compare previous to current
1350            $r_rev = '';
1351            $revs = $pagelog->getRevisions(0, 1);
1352            $l_rev = $revs[0];
1353            $REV = $l_rev; // store revision back in $REV
1354        }
1355
1356        // when both revisions are empty then the page was created just now
1357        if(!$l_rev && !$r_rev) {
1358            $l_text = '';
1359        } else {
1360            $l_text = rawWiki($ID, $l_rev);
1361        }
1362        $r_text = rawWiki($ID, $r_rev);
1363
1364        list($l_head, $r_head, $l_minor, $r_minor) = html_diff_head($l_rev, $r_rev, null, false, $type == 'inline');
1365    }
1366
1367    /*
1368     * Build navigation
1369     */
1370    $l_nav = '';
1371    $r_nav = '';
1372    if(!$text) {
1373        list($l_nav, $r_nav) = html_diff_navigation($pagelog, $type, $l_rev, $r_rev);
1374    }
1375    /*
1376     * Create diff object and the formatter
1377     */
1378    $diff = new Diff(explode("\n", $l_text), explode("\n", $r_text));
1379
1380    if($type == 'inline') {
1381        $diffformatter = new InlineDiffFormatter();
1382    } else {
1383        $diffformatter = new TableDiffFormatter();
1384    }
1385    /*
1386     * Display intro
1387     */
1388    if($intro) print p_locale_xhtml('diff');
1389
1390    /*
1391     * Display type and exact reference
1392     */
1393    if(!$text) {
1394        ptln('<div class="diffoptions group">');
1395
1396
1397        $form = new Doku_Form(array('action' => wl()));
1398        $form->addHidden('id', $ID);
1399        $form->addHidden('rev2[0]', $l_rev);
1400        $form->addHidden('rev2[1]', $r_rev);
1401        $form->addHidden('do', 'diff');
1402        $form->addElement(
1403             form_makeListboxField(
1404                 'difftype',
1405                 array(
1406                     'sidebyside' => $lang['diff_side'],
1407                     'inline' => $lang['diff_inline']
1408                 ),
1409                 $type,
1410                 $lang['diff_type'],
1411                 '', '',
1412                 array('class' => 'quickselect')
1413             )
1414        );
1415        $form->addElement(form_makeButton('submit', 'diff', 'Go'));
1416        $form->printForm();
1417
1418        ptln('<p>');
1419        // link to exactly this view FS#2835
1420        echo html_diff_navigationlink($type, 'difflink', $l_rev, $r_rev ? $r_rev : $INFO['currentrev']);
1421        ptln('</p>');
1422
1423        ptln('</div>'); // .diffoptions
1424    }
1425
1426    /*
1427     * Display diff view table
1428     */
1429    ?>
1430    <div class="table">
1431    <table class="diff diff_<?php echo $type ?>">
1432
1433        <?php
1434        //navigation and header
1435        if($type == 'inline') {
1436            if(!$text) { ?>
1437                <tr>
1438                    <td class="diff-lineheader">-</td>
1439                    <td class="diffnav"><?php echo $l_nav ?></td>
1440                </tr>
1441                <tr>
1442                    <th class="diff-lineheader">-</th>
1443                    <th <?php echo $l_minor ?>>
1444                        <?php echo $l_head ?>
1445                    </th>
1446                </tr>
1447            <?php } ?>
1448            <tr>
1449                <td class="diff-lineheader">+</td>
1450                <td class="diffnav"><?php echo $r_nav ?></td>
1451            </tr>
1452            <tr>
1453                <th class="diff-lineheader">+</th>
1454                <th <?php echo $r_minor ?>>
1455                    <?php echo $r_head ?>
1456                </th>
1457            </tr>
1458        <?php } else {
1459            if(!$text) { ?>
1460                <tr>
1461                    <td colspan="2" class="diffnav"><?php echo $l_nav ?></td>
1462                    <td colspan="2" class="diffnav"><?php echo $r_nav ?></td>
1463                </tr>
1464            <?php } ?>
1465            <tr>
1466                <th colspan="2" <?php echo $l_minor ?>>
1467                    <?php echo $l_head ?>
1468                </th>
1469                <th colspan="2" <?php echo $r_minor ?>>
1470                    <?php echo $r_head ?>
1471                </th>
1472            </tr>
1473        <?php }
1474
1475        //diff view
1476        echo html_insert_softbreaks($diffformatter->format($diff)); ?>
1477
1478    </table>
1479    </div>
1480<?php
1481}
1482
1483/**
1484 * Create html for revision navigation
1485 *
1486 * @param PageChangeLog $pagelog changelog object of current page
1487 * @param string        $type    inline vs sidebyside
1488 * @param int           $l_rev   left revision timestamp
1489 * @param int           $r_rev   right revision timestamp
1490 * @return string[] html of left and right navigation elements
1491 */
1492function html_diff_navigation($pagelog, $type, $l_rev, $r_rev) {
1493    global $INFO, $ID;
1494
1495    // last timestamp is not in changelog, retrieve timestamp from metadata
1496    // note: when page is removed, the metadata timestamp is zero
1497    if(!$r_rev) {
1498        if(isset($INFO['meta']['last_change']['date'])) {
1499            $r_rev = $INFO['meta']['last_change']['date'];
1500        } else {
1501            $r_rev = 0;
1502        }
1503    }
1504
1505    //retrieve revisions with additional info
1506    list($l_revs, $r_revs) = $pagelog->getRevisionsAround($l_rev, $r_rev);
1507    $l_revisions = array();
1508    if(!$l_rev) {
1509        $l_revisions[0] = array(0, "", false); //no left revision given, add dummy
1510    }
1511    foreach($l_revs as $rev) {
1512        $info = $pagelog->getRevisionInfo($rev);
1513        $l_revisions[$rev] = array(
1514            $rev,
1515            dformat($info['date']) . ' ' . editorinfo($info['user'], true) . ' ' . $info['sum'],
1516            $r_rev ? $rev >= $r_rev : false //disable?
1517        );
1518    }
1519    $r_revisions = array();
1520    if(!$r_rev) {
1521        $r_revisions[0] = array(0, "", false); //no right revision given, add dummy
1522    }
1523    foreach($r_revs as $rev) {
1524        $info = $pagelog->getRevisionInfo($rev);
1525        $r_revisions[$rev] = array(
1526            $rev,
1527            dformat($info['date']) . ' ' . editorinfo($info['user'], true) . ' ' . $info['sum'],
1528            $rev <= $l_rev //disable?
1529        );
1530    }
1531
1532    //determine previous/next revisions
1533    $l_index = array_search($l_rev, $l_revs);
1534    $l_prev = $l_revs[$l_index + 1];
1535    $l_next = $l_revs[$l_index - 1];
1536    if($r_rev) {
1537        $r_index = array_search($r_rev, $r_revs);
1538        $r_prev = $r_revs[$r_index + 1];
1539        $r_next = $r_revs[$r_index - 1];
1540    } else {
1541        //removed page
1542        if($l_next) {
1543            $r_prev = $r_revs[0];
1544        } else {
1545            $r_prev = null;
1546        }
1547        $r_next = null;
1548    }
1549
1550    /*
1551     * Left side:
1552     */
1553    $l_nav = '';
1554    //move back
1555    if($l_prev) {
1556        $l_nav .= html_diff_navigationlink($type, 'diffbothprevrev', $l_prev, $r_prev);
1557        $l_nav .= html_diff_navigationlink($type, 'diffprevrev', $l_prev, $r_rev);
1558    }
1559    //dropdown
1560    $form = new Doku_Form(array('action' => wl()));
1561    $form->addHidden('id', $ID);
1562    $form->addHidden('difftype', $type);
1563    $form->addHidden('rev2[1]', $r_rev);
1564    $form->addHidden('do', 'diff');
1565    $form->addElement(
1566         form_makeListboxField(
1567             'rev2[0]',
1568             $l_revisions,
1569             $l_rev,
1570             '', '', '',
1571             array('class' => 'quickselect')
1572         )
1573    );
1574    $form->addElement(form_makeButton('submit', 'diff', 'Go'));
1575    $l_nav .= $form->getForm();
1576    //move forward
1577    if($l_next && ($l_next < $r_rev || !$r_rev)) {
1578        $l_nav .= html_diff_navigationlink($type, 'diffnextrev', $l_next, $r_rev);
1579    }
1580
1581    /*
1582     * Right side:
1583     */
1584    $r_nav = '';
1585    //move back
1586    if($l_rev < $r_prev) {
1587        $r_nav .= html_diff_navigationlink($type, 'diffprevrev', $l_rev, $r_prev);
1588    }
1589    //dropdown
1590    $form = new Doku_Form(array('action' => wl()));
1591    $form->addHidden('id', $ID);
1592    $form->addHidden('rev2[0]', $l_rev);
1593    $form->addHidden('difftype', $type);
1594    $form->addHidden('do', 'diff');
1595    $form->addElement(
1596         form_makeListboxField(
1597             'rev2[1]',
1598             $r_revisions,
1599             $r_rev,
1600             '', '', '',
1601             array('class' => 'quickselect')
1602         )
1603    );
1604    $form->addElement(form_makeButton('submit', 'diff', 'Go'));
1605    $r_nav .= $form->getForm();
1606    //move forward
1607    if($r_next) {
1608        if($pagelog->isCurrentRevision($r_next)) {
1609            $r_nav .= html_diff_navigationlink($type, 'difflastrev', $l_rev); //last revision is diff with current page
1610        } else {
1611            $r_nav .= html_diff_navigationlink($type, 'diffnextrev', $l_rev, $r_next);
1612        }
1613        $r_nav .= html_diff_navigationlink($type, 'diffbothnextrev', $l_next, $r_next);
1614    }
1615    return array($l_nav, $r_nav);
1616}
1617
1618/**
1619 * Create html link to a diff defined by two revisions
1620 *
1621 * @param string $difftype display type
1622 * @param string $linktype
1623 * @param int $lrev oldest revision
1624 * @param int $rrev newest revision or null for diff with current revision
1625 * @return string html of link to a diff
1626 */
1627function html_diff_navigationlink($difftype, $linktype, $lrev, $rrev = null) {
1628    global $ID, $lang;
1629    if(!$rrev) {
1630        $urlparam = array(
1631            'do' => 'diff',
1632            'rev' => $lrev,
1633            'difftype' => $difftype,
1634        );
1635    } else {
1636        $urlparam = array(
1637            'do' => 'diff',
1638            'rev2[0]' => $lrev,
1639            'rev2[1]' => $rrev,
1640            'difftype' => $difftype,
1641        );
1642    }
1643    return  '<a class="' . $linktype . '" href="' . wl($ID, $urlparam) . '" title="' . $lang[$linktype] . '">' .
1644                '<span>' . $lang[$linktype] . '</span>' .
1645            '</a>' . "\n";
1646}
1647
1648/**
1649 * Insert soft breaks in diff html
1650 *
1651 * @param string $diffhtml
1652 * @return string
1653 */
1654function html_insert_softbreaks($diffhtml) {
1655    // search the diff html string for both:
1656    // - html tags, so these can be ignored
1657    // - long strings of characters without breaking characters
1658    return preg_replace_callback('/<[^>]*>|[^<> ]{12,}/','html_softbreak_callback',$diffhtml);
1659}
1660
1661/**
1662 * callback which adds softbreaks
1663 *
1664 * @param array $match array with first the complete match
1665 * @return string the replacement
1666 */
1667function html_softbreak_callback($match){
1668    // if match is an html tag, return it intact
1669    if ($match[0]{0} == '<') return $match[0];
1670
1671    // its a long string without a breaking character,
1672    // make certain characters into breaking characters by inserting a
1673    // breaking character (zero length space, U+200B / #8203) in front them.
1674    $regex = <<< REGEX
1675(?(?=                                 # start a conditional expression with a positive look ahead ...
1676&\#?\\w{1,6};)                        # ... for html entities - we don't want to split them (ok to catch some invalid combinations)
1677&\#?\\w{1,6};                         # yes pattern - a quicker match for the html entity, since we know we have one
1678|
1679[?/,&\#;:]                            # no pattern - any other group of 'special' characters to insert a breaking character after
1680)+                                    # end conditional expression
1681REGEX;
1682
1683    return preg_replace('<'.$regex.'>xu','\0&#8203;',$match[0]);
1684}
1685
1686/**
1687 * show warning on conflict detection
1688 *
1689 * @author Andreas Gohr <andi@splitbrain.org>
1690 *
1691 * @param string $text
1692 * @param string $summary
1693 */
1694function html_conflict($text,$summary){
1695    global $ID;
1696    global $lang;
1697
1698    print p_locale_xhtml('conflict');
1699    $form = new Doku_Form(array('id' => 'dw__editform'));
1700    $form->addHidden('id', $ID);
1701    $form->addHidden('wikitext', $text);
1702    $form->addHidden('summary', $summary);
1703    $form->addElement(form_makeButton('submit', 'save', $lang['btn_save'], array('accesskey'=>'s')));
1704    $form->addElement(form_makeButton('submit', 'cancel', $lang['btn_cancel']));
1705    html_form('conflict', $form);
1706    print '<br /><br /><br /><br />'.NL;
1707}
1708
1709/**
1710 * Prints the global message array
1711 *
1712 * @author Andreas Gohr <andi@splitbrain.org>
1713 */
1714function html_msgarea(){
1715    global $MSG, $MSG_shown;
1716    /** @var array $MSG */
1717    // store if the global $MSG has already been shown and thus HTML output has been started
1718    $MSG_shown = true;
1719
1720    if(!isset($MSG)) return;
1721
1722    $shown = array();
1723    foreach($MSG as $msg){
1724        $hash = md5($msg['msg']);
1725        if(isset($shown[$hash])) continue; // skip double messages
1726        if(info_msg_allowed($msg)){
1727            print '<div class="'.$msg['lvl'].'">';
1728            print $msg['msg'];
1729            print '</div>';
1730        }
1731        $shown[$hash] = 1;
1732    }
1733
1734    unset($GLOBALS['MSG']);
1735}
1736
1737/**
1738 * Prints the registration form
1739 *
1740 * @author Andreas Gohr <andi@splitbrain.org>
1741 */
1742function html_register(){
1743    global $lang;
1744    global $conf;
1745    global $INPUT;
1746
1747    $base_attrs = array('size'=>50,'required'=>'required');
1748    $email_attrs = $base_attrs + array('type'=>'email','class'=>'edit');
1749
1750    print p_locale_xhtml('register');
1751    print '<div class="centeralign">'.NL;
1752    $form = new Doku_Form(array('id' => 'dw__register'));
1753    $form->startFieldset($lang['btn_register']);
1754    $form->addHidden('do', 'register');
1755    $form->addHidden('save', '1');
1756    $form->addElement(form_makeTextField('login', $INPUT->post->str('login'), $lang['user'], '', 'block', $base_attrs));
1757    if (!$conf['autopasswd']) {
1758        $form->addElement(form_makePasswordField('pass', $lang['pass'], '', 'block', $base_attrs));
1759        $form->addElement(form_makePasswordField('passchk', $lang['passchk'], '', 'block', $base_attrs));
1760    }
1761    $form->addElement(form_makeTextField('fullname', $INPUT->post->str('fullname'), $lang['fullname'], '', 'block', $base_attrs));
1762    $form->addElement(form_makeField('email','email', $INPUT->post->str('email'), $lang['email'], '', 'block', $email_attrs));
1763    $form->addElement(form_makeButton('submit', '', $lang['btn_register']));
1764    $form->endFieldset();
1765    html_form('register', $form);
1766
1767    print '</div>'.NL;
1768}
1769
1770/**
1771 * Print the update profile form
1772 *
1773 * @author Christopher Smith <chris@jalakai.co.uk>
1774 * @author Andreas Gohr <andi@splitbrain.org>
1775 */
1776function html_updateprofile(){
1777    global $lang;
1778    global $conf;
1779    global $INPUT;
1780    global $INFO;
1781    /** @var DokuWiki_Auth_Plugin $auth */
1782    global $auth;
1783
1784    print p_locale_xhtml('updateprofile');
1785    print '<div class="centeralign">'.NL;
1786
1787    $fullname = $INPUT->post->str('fullname', $INFO['userinfo']['name'], true);
1788    $email = $INPUT->post->str('email', $INFO['userinfo']['mail'], true);
1789    $form = new Doku_Form(array('id' => 'dw__register'));
1790    $form->startFieldset($lang['profile']);
1791    $form->addHidden('do', 'profile');
1792    $form->addHidden('save', '1');
1793    $form->addElement(form_makeTextField('login', $_SERVER['REMOTE_USER'], $lang['user'], '', 'block', array('size'=>'50', 'disabled'=>'disabled')));
1794    $attr = array('size'=>'50');
1795    if (!$auth->canDo('modName')) $attr['disabled'] = 'disabled';
1796    $form->addElement(form_makeTextField('fullname', $fullname, $lang['fullname'], '', 'block', $attr));
1797    $attr = array('size'=>'50', 'class'=>'edit');
1798    if (!$auth->canDo('modMail')) $attr['disabled'] = 'disabled';
1799    $form->addElement(form_makeField('email','email', $email, $lang['email'], '', 'block', $attr));
1800    $form->addElement(form_makeTag('br'));
1801    if ($auth->canDo('modPass')) {
1802        $form->addElement(form_makePasswordField('newpass', $lang['newpass'], '', 'block', array('size'=>'50')));
1803        $form->addElement(form_makePasswordField('passchk', $lang['passchk'], '', 'block', array('size'=>'50')));
1804    }
1805    if ($conf['profileconfirm']) {
1806        $form->addElement(form_makeTag('br'));
1807        $form->addElement(form_makePasswordField('oldpass', $lang['oldpass'], '', 'block', array('size'=>'50', 'required' => 'required')));
1808    }
1809    $form->addElement(form_makeButton('submit', '', $lang['btn_save']));
1810    $form->addElement(form_makeButton('reset', '', $lang['btn_reset']));
1811
1812    $form->endFieldset();
1813    html_form('updateprofile', $form);
1814
1815    if ($auth->canDo('delUser') && actionOK('profile_delete')) {
1816        $form_profiledelete = new Doku_Form(array('id' => 'dw__profiledelete'));
1817        $form_profiledelete->startFieldset($lang['profdeleteuser']);
1818        $form_profiledelete->addHidden('do', 'profile_delete');
1819        $form_profiledelete->addHidden('delete', '1');
1820        $form_profiledelete->addElement(form_makeCheckboxField('confirm_delete', '1', $lang['profconfdelete'],'dw__confirmdelete','', array('required' => 'required')));
1821        if ($conf['profileconfirm']) {
1822            $form_profiledelete->addElement(form_makeTag('br'));
1823            $form_profiledelete->addElement(form_makePasswordField('oldpass', $lang['oldpass'], '', 'block', array('size'=>'50', 'required' => 'required')));
1824        }
1825        $form_profiledelete->addElement(form_makeButton('submit', '', $lang['btn_deleteuser']));
1826        $form_profiledelete->endFieldset();
1827
1828        html_form('profiledelete', $form_profiledelete);
1829    }
1830
1831    print '</div>'.NL;
1832}
1833
1834/**
1835 * Preprocess edit form data
1836 *
1837 * @author   Andreas Gohr <andi@splitbrain.org>
1838 *
1839 * @triggers HTML_EDITFORM_OUTPUT
1840 */
1841function html_edit(){
1842    global $INPUT;
1843    global $ID;
1844    global $REV;
1845    global $DATE;
1846    global $PRE;
1847    global $SUF;
1848    global $INFO;
1849    global $SUM;
1850    global $lang;
1851    global $conf;
1852    global $TEXT;
1853
1854    if ($INPUT->has('changecheck')) {
1855        $check = $INPUT->str('changecheck');
1856    } elseif(!$INFO['exists']){
1857        // $TEXT has been loaded from page template
1858        $check = md5('');
1859    } else {
1860        $check = md5($TEXT);
1861    }
1862    $mod = md5($TEXT) !== $check;
1863
1864    $wr = $INFO['writable'] && !$INFO['locked'];
1865    $include = 'edit';
1866    if($wr){
1867        if ($REV) $include = 'editrev';
1868    }else{
1869        // check pseudo action 'source'
1870        if(!actionOK('source')){
1871            msg('Command disabled: source',-1);
1872            return;
1873        }
1874        $include = 'read';
1875    }
1876
1877    global $license;
1878
1879    $form = new Doku_Form(array('id' => 'dw__editform'));
1880    $form->addHidden('id', $ID);
1881    $form->addHidden('rev', $REV);
1882    $form->addHidden('date', $DATE);
1883    $form->addHidden('prefix', $PRE . '.');
1884    $form->addHidden('suffix', $SUF);
1885    $form->addHidden('changecheck', $check);
1886
1887    $data = array('form' => $form,
1888                  'wr'   => $wr,
1889                  'media_manager' => true,
1890                  'target' => ($INPUT->has('target') && $wr) ? $INPUT->str('target') : 'section',
1891                  'intro_locale' => $include);
1892
1893    if ($data['target'] !== 'section') {
1894        // Only emit event if page is writable, section edit data is valid and
1895        // edit target is not section.
1896        trigger_event('HTML_EDIT_FORMSELECTION', $data, 'html_edit_form', true);
1897    } else {
1898        html_edit_form($data);
1899    }
1900    if (isset($data['intro_locale'])) {
1901        echo p_locale_xhtml($data['intro_locale']);
1902    }
1903
1904    $form->addHidden('target', $data['target']);
1905    $form->addElement(form_makeOpenTag('div', array('id'=>'wiki__editbar', 'class'=>'editBar')));
1906    $form->addElement(form_makeOpenTag('div', array('id'=>'size__ctl')));
1907    $form->addElement(form_makeCloseTag('div'));
1908    if ($wr) {
1909        $form->addElement(form_makeOpenTag('div', array('class'=>'editButtons')));
1910        $form->addElement(form_makeButton('submit', 'save', $lang['btn_save'], array('id'=>'edbtn__save', 'accesskey'=>'s', 'tabindex'=>'4')));
1911        $form->addElement(form_makeButton('submit', 'preview', $lang['btn_preview'], array('id'=>'edbtn__preview', 'accesskey'=>'p', 'tabindex'=>'5')));
1912        $form->addElement(form_makeButton('submit', 'draftdel', $lang['btn_cancel'], array('tabindex'=>'6')));
1913        $form->addElement(form_makeCloseTag('div'));
1914        $form->addElement(form_makeOpenTag('div', array('class'=>'summary')));
1915        $form->addElement(form_makeTextField('summary', $SUM, $lang['summary'], 'edit__summary', 'nowrap', array('size'=>'50', 'tabindex'=>'2')));
1916        $elem = html_minoredit();
1917        if ($elem) $form->addElement($elem);
1918        $form->addElement(form_makeCloseTag('div'));
1919    }
1920    $form->addElement(form_makeCloseTag('div'));
1921    if($wr && $conf['license']){
1922        $form->addElement(form_makeOpenTag('div', array('class'=>'license')));
1923        $out  = $lang['licenseok'];
1924        $out .= ' <a href="'.$license[$conf['license']]['url'].'" rel="license" class="urlextern"';
1925        if($conf['target']['extern']) $out .= ' target="'.$conf['target']['extern'].'"';
1926        $out .= '>'.$license[$conf['license']]['name'].'</a>';
1927        $form->addElement($out);
1928        $form->addElement(form_makeCloseTag('div'));
1929    }
1930
1931    if ($wr) {
1932        // sets changed to true when previewed
1933        echo '<script type="text/javascript">/*<![CDATA[*/'. NL;
1934        echo 'textChanged = ' . ($mod ? 'true' : 'false');
1935        echo '/*!]]>*/</script>' . NL;
1936    } ?>
1937    <div class="editBox" role="application">
1938
1939    <div class="toolbar group">
1940        <div id="draft__status"><?php if(!empty($INFO['draft'])) echo $lang['draftdate'].' '.dformat();?></div>
1941        <div id="tool__bar"><?php if ($wr && $data['media_manager']){?><a href="<?php echo DOKU_BASE?>lib/exe/mediamanager.php?ns=<?php echo $INFO['namespace']?>"
1942            target="_blank"><?php echo $lang['mediaselect'] ?></a><?php }?></div>
1943    </div>
1944    <?php
1945
1946    html_form('edit', $form);
1947    print '</div>'.NL;
1948}
1949
1950/**
1951 * Display the default edit form
1952 *
1953 * Is the default action for HTML_EDIT_FORMSELECTION.
1954 *
1955 * @param mixed[] $param
1956 */
1957function html_edit_form($param) {
1958    global $TEXT;
1959
1960    if ($param['target'] !== 'section') {
1961        msg('No editor for edit target ' . hsc($param['target']) . ' found.', -1);
1962    }
1963
1964    $attr = array('tabindex'=>'1');
1965    if (!$param['wr']) $attr['readonly'] = 'readonly';
1966
1967    $param['form']->addElement(form_makeWikiText($TEXT, $attr));
1968}
1969
1970/**
1971 * Adds a checkbox for minor edits for logged in users
1972 *
1973 * @author Andreas Gohr <andi@splitbrain.org>
1974 *
1975 * @return array|bool
1976 */
1977function html_minoredit(){
1978    global $conf;
1979    global $lang;
1980    global $INPUT;
1981    // minor edits are for logged in users only
1982    if(!$conf['useacl'] || !$_SERVER['REMOTE_USER']){
1983        return false;
1984    }
1985
1986    $p = array();
1987    $p['tabindex'] = 3;
1988    if($INPUT->bool('minor')) $p['checked']='checked';
1989    return form_makeCheckboxField('minor', '1', $lang['minoredit'], 'minoredit', 'nowrap', $p);
1990}
1991
1992/**
1993 * prints some debug info
1994 *
1995 * @author Andreas Gohr <andi@splitbrain.org>
1996 */
1997function html_debug(){
1998    global $conf;
1999    global $lang;
2000    /** @var DokuWiki_Auth_Plugin $auth */
2001    global $auth;
2002    global $INFO;
2003
2004    //remove sensitive data
2005    $cnf = $conf;
2006    debug_guard($cnf);
2007    $nfo = $INFO;
2008    debug_guard($nfo);
2009    $ses = $_SESSION;
2010    debug_guard($ses);
2011
2012    print '<html><body>';
2013
2014    print '<p>When reporting bugs please send all the following ';
2015    print 'output as a mail to andi@splitbrain.org ';
2016    print 'The best way to do this is to save this page in your browser</p>';
2017
2018    print '<b>$INFO:</b><pre>';
2019    print_r($nfo);
2020    print '</pre>';
2021
2022    print '<b>$_SERVER:</b><pre>';
2023    print_r($_SERVER);
2024    print '</pre>';
2025
2026    print '<b>$conf:</b><pre>';
2027    print_r($cnf);
2028    print '</pre>';
2029
2030    print '<b>DOKU_BASE:</b><pre>';
2031    print DOKU_BASE;
2032    print '</pre>';
2033
2034    print '<b>abs DOKU_BASE:</b><pre>';
2035    print DOKU_URL;
2036    print '</pre>';
2037
2038    print '<b>rel DOKU_BASE:</b><pre>';
2039    print dirname($_SERVER['PHP_SELF']).'/';
2040    print '</pre>';
2041
2042    print '<b>PHP Version:</b><pre>';
2043    print phpversion();
2044    print '</pre>';
2045
2046    print '<b>locale:</b><pre>';
2047    print setlocale(LC_ALL,0);
2048    print '</pre>';
2049
2050    print '<b>encoding:</b><pre>';
2051    print $lang['encoding'];
2052    print '</pre>';
2053
2054    if($auth){
2055        print '<b>Auth backend capabilities:</b><pre>';
2056        foreach ($auth->getCapabilities() as $cando){
2057            print '   '.str_pad($cando,16) . ' => ' . (int)$auth->canDo($cando) . NL;
2058        }
2059        print '</pre>';
2060    }
2061
2062    print '<b>$_SESSION:</b><pre>';
2063    print_r($ses);
2064    print '</pre>';
2065
2066    print '<b>Environment:</b><pre>';
2067    print_r($_ENV);
2068    print '</pre>';
2069
2070    print '<b>PHP settings:</b><pre>';
2071    $inis = ini_get_all();
2072    print_r($inis);
2073    print '</pre>';
2074
2075    if (function_exists('apache_get_version')) {
2076        $apache = array();
2077        $apache['version'] = apache_get_version();
2078
2079        if (function_exists('apache_get_modules')) {
2080            $apache['modules'] = apache_get_modules();
2081        }
2082        print '<b>Apache</b><pre>';
2083        print_r($apache);
2084        print '</pre>';
2085    }
2086
2087    print '</body></html>';
2088}
2089
2090/**
2091 * List available Administration Tasks
2092 *
2093 * @author Andreas Gohr <andi@splitbrain.org>
2094 * @author Håkan Sandell <hakan.sandell@home.se>
2095 */
2096function html_admin(){
2097    global $ID;
2098    global $INFO;
2099    global $conf;
2100    /** @var DokuWiki_Auth_Plugin $auth */
2101    global $auth;
2102
2103    // build menu of admin functions from the plugins that handle them
2104    $pluginlist = plugin_list('admin');
2105    $menu = array();
2106    foreach ($pluginlist as $p) {
2107        /** @var DokuWiki_Admin_Plugin $obj */
2108        if(($obj = plugin_load('admin',$p)) === null) continue;
2109
2110        // check permissions
2111        if($obj->forAdminOnly() && !$INFO['isadmin']) continue;
2112
2113        $menu[$p] = array('plugin' => $p,
2114                'prompt' => $obj->getMenuText($conf['lang']),
2115                'sort' => $obj->getMenuSort()
2116                );
2117    }
2118
2119    // data security check
2120    // simple check if the 'savedir' is relative and accessible when appended to DOKU_URL
2121    // it verifies either:
2122    //   'savedir' has been moved elsewhere, or
2123    //   has protection to prevent the webserver serving files from it
2124    if (substr($conf['savedir'],0,2) == './'){
2125        echo '<a style="border:none; float:right;"
2126                href="http://www.dokuwiki.org/security#web_access_security">
2127                <img src="'.DOKU_URL.$conf['savedir'].'/security.png" alt="Your data directory seems to be protected properly."
2128                onerror="this.parentNode.style.display=\'none\'" /></a>';
2129    }
2130
2131    print p_locale_xhtml('admin');
2132
2133    // Admin Tasks
2134    if($INFO['isadmin']){
2135        ptln('<ul class="admin_tasks">');
2136
2137        if($menu['usermanager'] && $auth && $auth->canDo('getUsers')){
2138            ptln('  <li class="admin_usermanager"><div class="li">'.
2139                    '<a href="'.wl($ID, array('do' => 'admin','page' => 'usermanager')).'">'.
2140                    $menu['usermanager']['prompt'].'</a></div></li>');
2141        }
2142        unset($menu['usermanager']);
2143
2144        if($menu['acl']){
2145            ptln('  <li class="admin_acl"><div class="li">'.
2146                    '<a href="'.wl($ID, array('do' => 'admin','page' => 'acl')).'">'.
2147                    $menu['acl']['prompt'].'</a></div></li>');
2148        }
2149        unset($menu['acl']);
2150
2151        if($menu['extension']){
2152            ptln('  <li class="admin_plugin"><div class="li">'.
2153                    '<a href="'.wl($ID, array('do' => 'admin','page' => 'extension')).'">'.
2154                    $menu['extension']['prompt'].'</a></div></li>');
2155        }
2156        unset($menu['extension']);
2157
2158        if($menu['config']){
2159            ptln('  <li class="admin_config"><div class="li">'.
2160                    '<a href="'.wl($ID, array('do' => 'admin','page' => 'config')).'">'.
2161                    $menu['config']['prompt'].'</a></div></li>');
2162        }
2163        unset($menu['config']);
2164
2165        if($menu['styling']){
2166            ptln('  <li class="admin_styling"><div class="li">'.
2167                '<a href="'.wl($ID, array('do' => 'admin','page' => 'styling')).'">'.
2168                $menu['styling']['prompt'].'</a></div></li>');
2169        }
2170        unset($menu['styling']);
2171    }
2172    ptln('</ul>');
2173
2174    // Manager Tasks
2175    ptln('<ul class="admin_tasks">');
2176
2177    if($menu['revert']){
2178        ptln('  <li class="admin_revert"><div class="li">'.
2179                '<a href="'.wl($ID, array('do' => 'admin','page' => 'revert')).'">'.
2180                $menu['revert']['prompt'].'</a></div></li>');
2181    }
2182    unset($menu['revert']);
2183
2184    if($menu['popularity']){
2185        ptln('  <li class="admin_popularity"><div class="li">'.
2186                '<a href="'.wl($ID, array('do' => 'admin','page' => 'popularity')).'">'.
2187                $menu['popularity']['prompt'].'</a></div></li>');
2188    }
2189    unset($menu['popularity']);
2190
2191    // print DokuWiki version:
2192    ptln('</ul>');
2193    echo '<div id="admin__version">';
2194    echo getVersion();
2195    echo '</div>';
2196
2197    // print the rest as sorted list
2198    if(count($menu)){
2199        // sort by name, then sort
2200        usort(
2201            $menu,
2202            function ($a, $b) {
2203                $strcmp = strcasecmp($a['prompt'], $b['prompt']);
2204                if($strcmp != 0) return $strcmp;
2205                if($a['sort'] == $b['sort']) return 0;
2206                return ($a['sort'] < $b['sort']) ? -1 : 1;
2207            }
2208        );
2209
2210        // output the menu
2211        ptln('<div class="clearer"></div>');
2212        print p_locale_xhtml('adminplugins');
2213        ptln('<ul>');
2214        foreach ($menu as $item) {
2215            if (!$item['prompt']) continue;
2216            ptln('  <li><div class="li"><a href="'.wl($ID, 'do=admin&amp;page='.$item['plugin']).'">'.$item['prompt'].'</a></div></li>');
2217        }
2218        ptln('</ul>');
2219    }
2220}
2221
2222/**
2223 * Form to request a new password for an existing account
2224 *
2225 * @author Benoit Chesneau <benoit@bchesneau.info>
2226 * @author Andreas Gohr <gohr@cosmocode.de>
2227 */
2228function html_resendpwd() {
2229    global $lang;
2230    global $conf;
2231    global $INPUT;
2232
2233    $token = preg_replace('/[^a-f0-9]+/','',$INPUT->str('pwauth'));
2234
2235    if(!$conf['autopasswd'] && $token){
2236        print p_locale_xhtml('resetpwd');
2237        print '<div class="centeralign">'.NL;
2238        $form = new Doku_Form(array('id' => 'dw__resendpwd'));
2239        $form->startFieldset($lang['btn_resendpwd']);
2240        $form->addHidden('token', $token);
2241        $form->addHidden('do', 'resendpwd');
2242
2243        $form->addElement(form_makePasswordField('pass', $lang['pass'], '', 'block', array('size'=>'50')));
2244        $form->addElement(form_makePasswordField('passchk', $lang['passchk'], '', 'block', array('size'=>'50')));
2245
2246        $form->addElement(form_makeButton('submit', '', $lang['btn_resendpwd']));
2247        $form->endFieldset();
2248        html_form('resendpwd', $form);
2249        print '</div>'.NL;
2250    }else{
2251        print p_locale_xhtml('resendpwd');
2252        print '<div class="centeralign">'.NL;
2253        $form = new Doku_Form(array('id' => 'dw__resendpwd'));
2254        $form->startFieldset($lang['resendpwd']);
2255        $form->addHidden('do', 'resendpwd');
2256        $form->addHidden('save', '1');
2257        $form->addElement(form_makeTag('br'));
2258        $form->addElement(form_makeTextField('login', $INPUT->post->str('login'), $lang['user'], '', 'block'));
2259        $form->addElement(form_makeTag('br'));
2260        $form->addElement(form_makeTag('br'));
2261        $form->addElement(form_makeButton('submit', '', $lang['btn_resendpwd']));
2262        $form->endFieldset();
2263        html_form('resendpwd', $form);
2264        print '</div>'.NL;
2265    }
2266}
2267
2268/**
2269 * Return the TOC rendered to XHTML
2270 *
2271 * @author Andreas Gohr <andi@splitbrain.org>
2272 *
2273 * @param array $toc
2274 * @return string html
2275 */
2276function html_TOC($toc){
2277    if(!count($toc)) return '';
2278    global $lang;
2279    $out  = '<!-- TOC START -->'.DOKU_LF;
2280    $out .= '<div id="dw__toc">'.DOKU_LF;
2281    $out .= '<h3 class="toggle">';
2282    $out .= $lang['toc'];
2283    $out .= '</h3>'.DOKU_LF;
2284    $out .= '<div>'.DOKU_LF;
2285    $out .= html_buildlist($toc,'toc','html_list_toc','html_li_default',true);
2286    $out .= '</div>'.DOKU_LF.'</div>'.DOKU_LF;
2287    $out .= '<!-- TOC END -->'.DOKU_LF;
2288    return $out;
2289}
2290
2291/**
2292 * Callback for html_buildlist
2293 *
2294 * @param array $item
2295 * @return string html
2296 */
2297function html_list_toc($item){
2298    if(isset($item['hid'])){
2299        $link = '#'.$item['hid'];
2300    }else{
2301        $link = $item['link'];
2302    }
2303
2304    return '<a href="'.$link.'">'.hsc($item['title']).'</a>';
2305}
2306
2307/**
2308 * Helper function to build TOC items
2309 *
2310 * Returns an array ready to be added to a TOC array
2311 *
2312 * @param string $link  - where to link (if $hash set to '#' it's a local anchor)
2313 * @param string $text  - what to display in the TOC
2314 * @param int    $level - nesting level
2315 * @param string $hash  - is prepended to the given $link, set blank if you want full links
2316 * @return array the toc item
2317 */
2318function html_mktocitem($link, $text, $level, $hash='#'){
2319    return  array( 'link'  => $hash.$link,
2320            'title' => $text,
2321            'type'  => 'ul',
2322            'level' => $level);
2323}
2324
2325/**
2326 * Output a Doku_Form object.
2327 * Triggers an event with the form name: HTML_{$name}FORM_OUTPUT
2328 *
2329 * @author Tom N Harris <tnharris@whoopdedo.org>
2330 *
2331 * @param string     $name The name of the form
2332 * @param Doku_Form  $form The form
2333 */
2334function html_form($name, &$form) {
2335    // Safety check in case the caller forgets.
2336    $form->endFieldset();
2337    trigger_event('HTML_'.strtoupper($name).'FORM_OUTPUT', $form, 'html_form_output', false);
2338}
2339
2340/**
2341 * Form print function.
2342 * Just calls printForm() on the data object.
2343 *
2344 * @param Doku_Form $data The form
2345 */
2346function html_form_output($data) {
2347    $data->printForm();
2348}
2349
2350/**
2351 * Embed a flash object in HTML
2352 *
2353 * This will create the needed HTML to embed a flash movie in a cross browser
2354 * compatble way using valid XHTML
2355 *
2356 * The parameters $params, $flashvars and $atts need to be associative arrays.
2357 * No escaping needs to be done for them. The alternative content *has* to be
2358 * escaped because it is used as is. If no alternative content is given
2359 * $lang['noflash'] is used.
2360 *
2361 * @author Andreas Gohr <andi@splitbrain.org>
2362 * @link   http://latrine.dgx.cz/how-to-correctly-insert-a-flash-into-xhtml
2363 *
2364 * @param string $swf      - the SWF movie to embed
2365 * @param int $width       - width of the flash movie in pixels
2366 * @param int $height      - height of the flash movie in pixels
2367 * @param array $params    - additional parameters (<param>)
2368 * @param array $flashvars - parameters to be passed in the flashvar parameter
2369 * @param array $atts      - additional attributes for the <object> tag
2370 * @param string $alt      - alternative content (is NOT automatically escaped!)
2371 * @return string         - the XHTML markup
2372 */
2373function html_flashobject($swf,$width,$height,$params=null,$flashvars=null,$atts=null,$alt=''){
2374    global $lang;
2375
2376    $out = '';
2377
2378    // prepare the object attributes
2379    if(is_null($atts)) $atts = array();
2380    $atts['width']  = (int) $width;
2381    $atts['height'] = (int) $height;
2382    if(!$atts['width'])  $atts['width']  = 425;
2383    if(!$atts['height']) $atts['height'] = 350;
2384
2385    // add object attributes for standard compliant browsers
2386    $std = $atts;
2387    $std['type'] = 'application/x-shockwave-flash';
2388    $std['data'] = $swf;
2389
2390    // add object attributes for IE
2391    $ie  = $atts;
2392    $ie['classid'] = 'clsid:D27CDB6E-AE6D-11cf-96B8-444553540000';
2393
2394    // open object (with conditional comments)
2395    $out .= '<!--[if !IE]> -->'.NL;
2396    $out .= '<object '.buildAttributes($std).'>'.NL;
2397    $out .= '<!-- <![endif]-->'.NL;
2398    $out .= '<!--[if IE]>'.NL;
2399    $out .= '<object '.buildAttributes($ie).'>'.NL;
2400    $out .= '    <param name="movie" value="'.hsc($swf).'" />'.NL;
2401    $out .= '<!--><!-- -->'.NL;
2402
2403    // print params
2404    if(is_array($params)) foreach($params as $key => $val){
2405        $out .= '  <param name="'.hsc($key).'" value="'.hsc($val).'" />'.NL;
2406    }
2407
2408    // add flashvars
2409    if(is_array($flashvars)){
2410        $out .= '  <param name="FlashVars" value="'.buildURLparams($flashvars).'" />'.NL;
2411    }
2412
2413    // alternative content
2414    if($alt){
2415        $out .= $alt.NL;
2416    }else{
2417        $out .= $lang['noflash'].NL;
2418    }
2419
2420    // finish
2421    $out .= '</object>'.NL;
2422    $out .= '<!-- <![endif]-->'.NL;
2423
2424    return $out;
2425}
2426
2427/**
2428 * Prints HTML code for the given tab structure
2429 *
2430 * @param array  $tabs        tab structure
2431 * @param string $current_tab the current tab id
2432 */
2433function html_tabs($tabs, $current_tab = null) {
2434    echo '<ul class="tabs">'.NL;
2435
2436    foreach($tabs as $id => $tab) {
2437        html_tab($tab['href'], $tab['caption'], $id === $current_tab);
2438    }
2439
2440    echo '</ul>'.NL;
2441}
2442/**
2443 * Prints a single tab
2444 *
2445 * @author Kate Arzamastseva <pshns@ukr.net>
2446 * @author Adrian Lang <mail@adrianlang.de>
2447 *
2448 * @param string $href - tab href
2449 * @param string $caption - tab caption
2450 * @param boolean $selected - is tab selected
2451 */
2452
2453function html_tab($href, $caption, $selected=false) {
2454    $tab = '<li>';
2455    if ($selected) {
2456        $tab .= '<strong>';
2457    } else {
2458        $tab .= '<a href="' . hsc($href) . '">';
2459    }
2460    $tab .= hsc($caption)
2461         .  '</' . ($selected ? 'strong' : 'a') . '>'
2462         .  '</li>'.NL;
2463    echo $tab;
2464}
2465
2466