xref: /dokuwiki/inc/html.php (revision e824d633ab4483d3afbea66545fb619bd57a4156) 
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");
11if (!defined('SEC_EDIT_PATTERN')) {
12    define('SEC_EDIT_PATTERN', '#<!-- EDIT(?<secid>\d+) (?<target>[A-Z_]+) (?:"(?<name>[^"]*)" )?(?:"(?<hid>[^"]*)" )?\[(?<range>\d+-\d*)\] -->#');
13}
14
15
16/**
17 * Convenience function to quickly build a wikilink
18 *
19 * @author Andreas Gohr <andi@splitbrain.org>
20 * @param string  $id      id of the target page
21 * @param string  $name    the name of the link, i.e. the text that is displayed
22 * @param string|array  $search  search string(s) that shall be highlighted in the target page
23 * @return string the HTML code of the link
24 */
25function html_wikilink($id,$name=null,$search=''){
26    /** @var Doku_Renderer_xhtml $xhtml_renderer */
27    static $xhtml_renderer = null;
28    if(is_null($xhtml_renderer)){
29        $xhtml_renderer = p_get_renderer('xhtml');
30    }
31
32    return $xhtml_renderer->internallink($id,$name,$search,true,'navigation');
33}
34
35/**
36 * The loginform
37 *
38 * @author   Andreas Gohr <andi@splitbrain.org>
39 */
40function html_login(){
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    $form->addElement(form_makeTextField('u', ((!$INPUT->bool('http_credentials')) ? $INPUT->str('u') : ''), $lang['user'], 'focus__this', 'block'));
53    $form->addElement(form_makePasswordField('p', $lang['pass'], '', 'block'));
54    if($conf['rememberme']) {
55        $form->addElement(form_makeCheckboxField('r', '1', $lang['remember'], 'remember__me', 'simple'));
56    }
57    $form->addElement(form_makeButton('submit', '', $lang['btn_login']));
58    $form->endFieldset();
59
60    if(actionOK('register')){
61        $form->addElement('<p>'.$lang['reghere'].': '.tpl_actionlink('register','','','',true).'</p>');
62    }
63
64    if (actionOK('resendpwd')) {
65        $form->addElement('<p>'.$lang['pwdforget'].': '.tpl_actionlink('resendpwd','','','',true).'</p>');
66    }
67
68    html_form('login', $form);
69    print '</div>'.NL;
70}
71
72
73/**
74 * Denied page content
75 *
76 * @return string html
77 */
78function html_denied() {
79    print p_locale_xhtml('denied');
80
81    if(empty($_SERVER['REMOTE_USER'])){
82        html_login();
83    }
84}
85
86/**
87 * inserts section edit buttons if wanted or removes the markers
88 *
89 * @author Andreas Gohr <andi@splitbrain.org>
90 *
91 * @param string $text
92 * @param bool   $show show section edit buttons?
93 * @return string
94 */
95function html_secedit($text,$show=true){
96    global $INFO;
97
98    if(!$INFO['writable'] || !$show || $INFO['rev']){
99        return preg_replace(SEC_EDIT_PATTERN,'',$text);
100    }
101
102    return preg_replace_callback(SEC_EDIT_PATTERN,
103                'html_secedit_button', $text);
104}
105
106/**
107 * prepares section edit button data for event triggering
108 * used as a callback in html_secedit
109 *
110 * @author Andreas Gohr <andi@splitbrain.org>
111 *
112 * @param array $matches matches with regexp
113 * @return string
114 * @triggers HTML_SECEDIT_BUTTON
115 */
116function html_secedit_button($matches){
117    $data = array('secid'  => $matches['secid'],
118        'target' => strtolower($matches['target']),
119        'range'  => $matches['range']);
120
121    if (!empty($matches['hid'])) {
122        $data['hid'] = strtolower($matches['hid']);
123    }
124
125    if (!empty($matches['name'])) {
126        $data['name'] = $matches['name'];
127    }
128
129    return trigger_event('HTML_SECEDIT_BUTTON', $data,
130                         'html_secedit_get_button');
131}
132
133/**
134 * prints a section editing button
135 * used as default action form HTML_SECEDIT_BUTTON
136 *
137 * @author Adrian Lang <lang@cosmocode.de>
138 *
139 * @param array $data name, section id and target
140 * @return string html
141 */
142function html_secedit_get_button($data) {
143    global $ID;
144    global $INFO;
145
146    if (!isset($data['name']) || $data['name'] === '') return '';
147
148    $name = $data['name'];
149    unset($data['name']);
150
151    $secid = $data['secid'];
152    unset($data['secid']);
153
154    return "<div class='secedit editbutton_" . $data['target'] .
155                       " editbutton_" . $secid . "'>" .
156           html_btn('secedit', $ID, '',
157                    array_merge(array('do'  => 'edit',
158                                      'rev' => $INFO['lastmod'],
159                                      'summary' => '['.$name.'] '), $data),
160                    'post', $name) . '</div>';
161}
162
163/**
164 * Just the back to top button (in its own form)
165 *
166 * @author Andreas Gohr <andi@splitbrain.org>
167 *
168 * @return string html
169 */
170function html_topbtn(){
171    global $lang;
172
173    $ret  = '<a class="nolink" href="#dokuwiki__top"><button class="button" onclick="window.scrollTo(0, 0)" title="'.$lang['btn_top'].'">'.$lang['btn_top'].'</button></a>';
174
175    return $ret;
176}
177
178/**
179 * Displays a button (using its own form)
180 * If tooltip exists, the access key tooltip is replaced.
181 *
182 * @author Andreas Gohr <andi@splitbrain.org>
183 *
184 * @param string         $name
185 * @param string         $id
186 * @param string         $akey   access key
187 * @param string[] $params key-value pairs added as hidden inputs
188 * @param string         $method
189 * @param string         $tooltip
190 * @param bool|string    $label  label text, false: lookup btn_$name in localization
191 * @param string         $svg (optional) svg code, inserted into the button
192 * @return string
193 */
194function html_btn($name, $id, $akey, $params, $method='get', $tooltip='', $label=false, $svg=null){
195    global $conf;
196    global $lang;
197
198    if (!$label)
199        $label = $lang['btn_'.$name];
200
201    $ret = '';
202
203    //filter id (without urlencoding)
204    $id = idfilter($id,false);
205
206    //make nice URLs even for buttons
207    if($conf['userewrite'] == 2){
208        $script = DOKU_BASE.DOKU_SCRIPT.'/'.$id;
209    }elseif($conf['userewrite']){
210        $script = DOKU_BASE.$id;
211    }else{
212        $script = DOKU_BASE.DOKU_SCRIPT;
213        $params['id'] = $id;
214    }
215
216    $ret .= '<form class="button btn_'.$name.'" method="'.$method.'" action="'.$script.'"><div class="no">';
217
218    if(is_array($params)){
219        foreach($params as $key => $val) {
220            $ret .= '<input type="hidden" name="'.$key.'" ';
221            $ret .= 'value="'.hsc($val).'" />';
222        }
223    }
224
225    if ($tooltip!='') {
226        $tip = hsc($tooltip);
227    }else{
228        $tip = hsc($label);
229    }
230
231    $ret .= '<button type="submit" ';
232    if($akey){
233        $tip .= ' ['.strtoupper($akey).']';
234        $ret .= 'accesskey="'.$akey.'" ';
235    }
236    $ret .= 'title="'.$tip.'">';
237    if ($svg) {
238        $ret .= '<span>' . hsc($label) . '</span>';
239        $ret .= inlineSVG($svg);
240    } else {
241        $ret .= hsc($label);
242    }
243    $ret .= '</button>';
244    $ret .= '</div></form>';
245
246    return $ret;
247}
248/**
249 * show a revision warning
250 *
251 * @author Szymon Olewniczak <dokuwiki@imz.re>
252 */
253function html_showrev() {
254    print p_locale_xhtml('showrev');
255}
256
257/**
258 * Show a wiki page
259 *
260 * @author Andreas Gohr <andi@splitbrain.org>
261 *
262 * @param null|string $txt wiki text or null for showing $ID
263 */
264function html_show($txt=null){
265    global $ID;
266    global $REV;
267    global $HIGH;
268    global $INFO;
269    global $DATE_AT;
270    //disable section editing for old revisions or in preview
271    if($txt || $REV){
272        $secedit = false;
273    }else{
274        $secedit = true;
275    }
276
277    if (!is_null($txt)){
278        //PreviewHeader
279        echo '<br id="scroll__here" />';
280        echo p_locale_xhtml('preview');
281        echo '<div class="preview"><div class="pad">';
282        $html = html_secedit(p_render('xhtml',p_get_instructions($txt),$info),$secedit);
283        if($INFO['prependTOC']) $html = tpl_toc(true).$html;
284        echo $html;
285        echo '<div class="clearer"></div>';
286        echo '</div></div>';
287
288    }else{
289        if ($REV||$DATE_AT){
290            $data = array('rev' => &$REV, 'date_at' => &$DATE_AT);
291            trigger_event('HTML_SHOWREV_OUTPUT', $data, 'html_showrev');
292        }
293        $html = p_wiki_xhtml($ID,$REV,true,$DATE_AT);
294        $html = html_secedit($html,$secedit);
295        if($INFO['prependTOC']) $html = tpl_toc(true).$html;
296        $html = html_hilight($html,$HIGH);
297        echo $html;
298    }
299}
300
301/**
302 * ask the user about how to handle an exisiting draft
303 *
304 * @author Andreas Gohr <andi@splitbrain.org>
305 */
306function html_draft(){
307    global $INFO;
308    global $ID;
309    global $lang;
310    $draft = unserialize(io_readFile($INFO['draft'],false));
311    $text  = cleanText(con($draft['prefix'],$draft['text'],$draft['suffix'],true));
312
313    print p_locale_xhtml('draft');
314    $form = new Doku_Form(array('id' => 'dw__editform'));
315    $form->addHidden('id', $ID);
316    $form->addHidden('date', $draft['date']);
317    $form->addElement(form_makeWikiText($text, array('readonly'=>'readonly')));
318    $form->addElement(form_makeOpenTag('div', array('id'=>'draft__status')));
319    $form->addElement($lang['draftdate'].' '. dformat(filemtime($INFO['draft'])));
320    $form->addElement(form_makeCloseTag('div'));
321    $form->addElement(form_makeButton('submit', 'recover', $lang['btn_recover'], array('tabindex'=>'1')));
322    $form->addElement(form_makeButton('submit', 'draftdel', $lang['btn_draftdel'], array('tabindex'=>'2')));
323    $form->addElement(form_makeButton('submit', 'show', $lang['btn_cancel'], array('tabindex'=>'3')));
324    html_form('draft', $form);
325}
326
327/**
328 * Highlights searchqueries in HTML code
329 *
330 * @author Andreas Gohr <andi@splitbrain.org>
331 * @author Harry Fuecks <hfuecks@gmail.com>
332 *
333 * @param string $html
334 * @param array|string $phrases
335 * @return string html
336 */
337function html_hilight($html,$phrases){
338    $phrases = (array) $phrases;
339    $phrases = array_map('preg_quote_cb', $phrases);
340    $phrases = array_map('ft_snippet_re_preprocess', $phrases);
341    $phrases = array_filter($phrases);
342    $regex = join('|',$phrases);
343
344    if ($regex === '') return $html;
345    if (!utf8_check($regex)) return $html;
346    $html = @preg_replace_callback("/((<[^>]*)|$regex)/ui",'html_hilight_callback',$html);
347    return $html;
348}
349
350/**
351 * Callback used by html_hilight()
352 *
353 * @author Harry Fuecks <hfuecks@gmail.com>
354 *
355 * @param array $m matches
356 * @return string html
357 */
358function html_hilight_callback($m) {
359    $hlight = unslash($m[0]);
360    if ( !isset($m[2])) {
361        $hlight = '<span class="search_hit">'.$hlight.'</span>';
362    }
363    return $hlight;
364}
365
366/**
367 * Run a search and display the result
368 *
369 * @author Andreas Gohr <andi@splitbrain.org>
370 */
371function html_search(){
372    global $QUERY, $ID;
373    global $lang;
374
375    $intro = p_locale_xhtml('searchpage');
376    // allow use of placeholder in search intro
377    $pagecreateinfo = (auth_quickaclcheck($ID) >= AUTH_CREATE) ? $lang['searchcreatepage'] : '';
378    $intro = str_replace(
379        array('@QUERY@', '@SEARCH@', '@CREATEPAGEINFO@'),
380        array(hsc(rawurlencode($QUERY)), hsc($QUERY), $pagecreateinfo),
381        $intro
382    );
383    echo $intro;
384
385    //do quick pagesearch
386    $data = ft_pageLookup($QUERY,true,useHeading('navigation'));
387    if(count($data)){
388        print '<div class="search_quickresult">';
389        print '<h3>'.$lang['quickhits'].':</h3>';
390        print '<ul class="search_quickhits">';
391        foreach($data as $id => $title){
392            print '<li> ';
393            if (useHeading('navigation')) {
394                $name = $title;
395            }else{
396                $ns = getNS($id);
397                if($ns){
398                    $name = shorten(noNS($id), ' ('.$ns.')',30);
399                }else{
400                    $name = $id;
401                }
402            }
403            print html_wikilink(':'.$id,$name);
404            print '</li> ';
405        }
406        print '</ul> ';
407        //clear float (see http://www.complexspiral.com/publications/containing-floats/)
408        print '<div class="clearer"></div>';
409        print '</div>';
410    }
411
412    //do fulltext search
413    $regex = array();
414    $data = ft_pageSearch($QUERY,$regex);
415    if(count($data)){
416        print '<dl class="search_results">';
417        $num = 1;
418        foreach($data as $id => $cnt){
419            print '<dt>';
420            print html_wikilink(':'.$id,useHeading('navigation')?null:$id,$regex);
421            if($cnt !== 0){
422                print ': '.$cnt.' '.$lang['hits'].'';
423            }
424            print '</dt>';
425            if($cnt !== 0){
426                if($num < FT_SNIPPET_NUMBER){ // create snippets for the first number of matches only
427                    print '<dd>'.ft_snippet($id,$regex).'</dd>';
428                }
429                $num++;
430            }
431        }
432        print '</dl>';
433    }else{
434        print '<div class="nothing">'.$lang['nothingfound'].'</div>';
435    }
436}
437
438/**
439 * Display error on locked pages
440 *
441 * @author Andreas Gohr <andi@splitbrain.org>
442 */
443function html_locked(){
444    global $ID;
445    global $conf;
446    global $lang;
447    global $INFO;
448
449    $locktime = filemtime(wikiLockFN($ID));
450    $expire = dformat($locktime + $conf['locktime']);
451    $min    = round(($conf['locktime'] - (time() - $locktime) )/60);
452
453    print p_locale_xhtml('locked');
454    print '<ul>';
455    print '<li><div class="li"><strong>'.$lang['lockedby'].'</strong> '.editorinfo($INFO['locked']).'</div></li>';
456    print '<li><div class="li"><strong>'.$lang['lockexpire'].'</strong> '.$expire.' ('.$min.' min)</div></li>';
457    print '</ul>';
458}
459
460/**
461 * list old revisions
462 *
463 * @author Andreas Gohr <andi@splitbrain.org>
464 * @author Ben Coburn <btcoburn@silicodon.net>
465 * @author Kate Arzamastseva <pshns@ukr.net>
466 *
467 * @param int $first skip the first n changelog lines
468 * @param bool|string $media_id id of media, or false for current page
469 */
470function html_revisions($first=0, $media_id = false){
471    global $ID;
472    global $INFO;
473    global $conf;
474    global $lang;
475    $id = $ID;
476    if ($media_id) {
477        $id = $media_id;
478        $changelog = new MediaChangeLog($id);
479    } else {
480        $changelog = new PageChangeLog($id);
481    }
482
483    /* we need to get one additional log entry to be able to
484     * decide if this is the last page or is there another one.
485     * see html_recent()
486     */
487
488    $revisions = $changelog->getRevisions($first, $conf['recent']+1);
489
490    if(count($revisions)==0 && $first!=0){
491        $first=0;
492        $revisions = $changelog->getRevisions($first, $conf['recent']+1);
493    }
494    $hasNext = false;
495    if (count($revisions)>$conf['recent']) {
496        $hasNext = true;
497        array_pop($revisions); // remove extra log entry
498    }
499
500    if (!$media_id) print p_locale_xhtml('revisions');
501
502    $params = array('id' => 'page__revisions', 'class' => 'changes');
503    if($media_id) {
504        $params['action'] = media_managerURL(array('image' => $media_id), '&');
505    }
506
507    if(!$media_id) {
508        $exists = $INFO['exists'];
509        $display_name = useHeading('navigation') ? hsc(p_get_first_heading($id)) : $id;
510        if(!$display_name) {
511            $display_name = $id;
512        }
513    } else {
514        $exists = file_exists(mediaFN($id));
515        $display_name = $id;
516    }
517
518    $form = new Doku_Form($params);
519    $form->addElement(form_makeOpenTag('ul'));
520
521    if($exists && $first == 0) {
522        $minor = false;
523        if($media_id) {
524            $date = dformat(@filemtime(mediaFN($id)));
525            $href = media_managerURL(array('image' => $id, 'tab_details' => 'view'), '&');
526
527            $changelog->setChunkSize(1024);
528            $revinfo = $changelog->getRevisionInfo(@filemtime(fullpath(mediaFN($id))));
529
530            $summary = $revinfo['sum'];
531            if($revinfo['user']) {
532                $editor = $revinfo['user'];
533            } else {
534                $editor = $revinfo['ip'];
535            }
536            $sizechange = $revinfo['sizechange'];
537        } else {
538            $date = dformat($INFO['lastmod']);
539            if(isset($INFO['meta']) && isset($INFO['meta']['last_change'])) {
540                if($INFO['meta']['last_change']['type'] === DOKU_CHANGE_TYPE_MINOR_EDIT) {
541                    $minor = true;
542                }
543                if(isset($INFO['meta']['last_change']['sizechange'])) {
544                    $sizechange = $INFO['meta']['last_change']['sizechange'];
545                } else {
546                    $sizechange = null;
547                }
548            }
549            $pagelog = new PageChangeLog($ID);
550            $latestrev = $pagelog->getRevisions(-1, 1);
551            $latestrev = array_pop($latestrev);
552            $href = wl($id,"rev=$latestrev",false,'&');
553            $summary = $INFO['sum'];
554            $editor = $INFO['editor'];
555        }
556
557        $form->addElement(form_makeOpenTag('li', array('class' => ($minor ? 'minor' : ''))));
558        $form->addElement(form_makeOpenTag('div', array('class' => 'li')));
559        $form->addElement(form_makeTag('input', array(
560                        'type' => 'checkbox',
561                        'name' => 'rev2[]',
562                        'value' => 'current')));
563
564        $form->addElement(form_makeOpenTag('span', array('class' => 'date')));
565        $form->addElement($date);
566        $form->addElement(form_makeCloseTag('span'));
567
568        $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
569
570        $form->addElement(form_makeOpenTag('a', array(
571                        'class' => 'wikilink1',
572                        'href'  => $href)));
573        $form->addElement($display_name);
574        $form->addElement(form_makeCloseTag('a'));
575
576        if ($media_id) $form->addElement(form_makeOpenTag('div'));
577
578        if($summary) {
579            $form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
580            if(!$media_id) $form->addElement(' – ');
581            $form->addElement('<bdi>' . hsc($summary) . '</bdi>');
582            $form->addElement(form_makeCloseTag('span'));
583        }
584
585        $form->addElement(form_makeOpenTag('span', array('class' => 'user')));
586        $form->addElement((empty($editor))?('('.$lang['external_edit'].')'):'<bdi>'.editorinfo($editor).'</bdi>');
587        $form->addElement(form_makeCloseTag('span'));
588
589        html_sizechange($sizechange, $form);
590
591        $form->addElement('('.$lang['current'].')');
592
593        if ($media_id) $form->addElement(form_makeCloseTag('div'));
594
595        $form->addElement(form_makeCloseTag('div'));
596        $form->addElement(form_makeCloseTag('li'));
597    }
598
599    foreach($revisions as $rev) {
600        $date = dformat($rev);
601        $info = $changelog->getRevisionInfo($rev);
602        if($media_id) {
603            $exists = file_exists(mediaFN($id, $rev));
604        } else {
605            $exists = page_exists($id, $rev);
606        }
607
608        $class = '';
609        if($info['type'] === DOKU_CHANGE_TYPE_MINOR_EDIT) {
610            $class = 'minor';
611        }
612        $form->addElement(form_makeOpenTag('li', array('class' => $class)));
613        $form->addElement(form_makeOpenTag('div', array('class' => 'li')));
614        if($exists){
615            $form->addElement(form_makeTag('input', array(
616                            'type' => 'checkbox',
617                            'name' => 'rev2[]',
618                            'value' => $rev)));
619        }else{
620            $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
621        }
622
623        $form->addElement(form_makeOpenTag('span', array('class' => 'date')));
624        $form->addElement($date);
625        $form->addElement(form_makeCloseTag('span'));
626
627        if($exists){
628            if (!$media_id) {
629                $href = wl($id,"rev=$rev,do=diff", false, '&');
630            } else {
631                $href = media_managerURL(array('image' => $id, 'rev' => $rev, 'mediado' => 'diff'), '&');
632            }
633            $form->addElement(form_makeOpenTag('a', array(
634                            'class' => 'diff_link',
635                            'href' => $href)));
636            $form->addElement(form_makeTag('img', array(
637                            'src'    => DOKU_BASE.'lib/images/diff.png',
638                            'width'  => 15,
639                            'height' => 11,
640                            'title'  => $lang['diff'],
641                            'alt'    => $lang['diff'])));
642            $form->addElement(form_makeCloseTag('a'));
643
644            if (!$media_id) {
645                $href = wl($id,"rev=$rev",false,'&');
646            } else {
647                $href = media_managerURL(array('image' => $id, 'tab_details' => 'view', 'rev' => $rev), '&');
648            }
649            $form->addElement(form_makeOpenTag('a', array(
650                            'class' => 'wikilink1',
651                            'href' => $href)));
652            $form->addElement($display_name);
653            $form->addElement(form_makeCloseTag('a'));
654        }else{
655            $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
656            $form->addElement($display_name);
657        }
658
659        if ($media_id) $form->addElement(form_makeOpenTag('div'));
660
661        if ($info['sum']) {
662            $form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
663            if(!$media_id) $form->addElement(' – ');
664            $form->addElement('<bdi>'.hsc($info['sum']).'</bdi>');
665            $form->addElement(form_makeCloseTag('span'));
666        }
667
668        $form->addElement(form_makeOpenTag('span', array('class' => 'user')));
669        if($info['user']){
670            $form->addElement('<bdi>'.editorinfo($info['user']).'</bdi>');
671            if(auth_ismanager()){
672                $form->addElement(' <bdo dir="ltr">('.$info['ip'].')</bdo>');
673            }
674        }else{
675            $form->addElement('<bdo dir="ltr">'.$info['ip'].'</bdo>');
676        }
677        $form->addElement(form_makeCloseTag('span'));
678
679        html_sizechange($info['sizechange'], $form);
680
681        if ($media_id) $form->addElement(form_makeCloseTag('div'));
682
683        $form->addElement(form_makeCloseTag('div'));
684        $form->addElement(form_makeCloseTag('li'));
685    }
686    $form->addElement(form_makeCloseTag('ul'));
687    if (!$media_id) {
688        $form->addElement(form_makeButton('submit', 'diff', $lang['diff2']));
689    } else {
690        $form->addHidden('mediado', 'diff');
691        $form->addElement(form_makeButton('submit', '', $lang['diff2']));
692    }
693    html_form('revisions', $form);
694
695    print '<div class="pagenav">';
696    $last = $first + $conf['recent'];
697    if ($first > 0) {
698        $first -= $conf['recent'];
699        if ($first < 0) $first = 0;
700        print '<div class="pagenav-prev">';
701        if ($media_id) {
702            print html_btn('newer',$media_id,"p",media_managerURL(array('first' => $first), '&amp;', false, true));
703        } else {
704            print html_btn('newer',$id,"p",array('do' => 'revisions', 'first' => $first));
705        }
706        print '</div>';
707    }
708    if ($hasNext) {
709        print '<div class="pagenav-next">';
710        if ($media_id) {
711            print html_btn('older',$media_id,"n",media_managerURL(array('first' => $last), '&amp;', false, true));
712        } else {
713            print html_btn('older',$id,"n",array('do' => 'revisions', 'first' => $last));
714        }
715        print '</div>';
716    }
717    print '</div>';
718
719}
720
721/**
722 * display recent changes
723 *
724 * @author Andreas Gohr <andi@splitbrain.org>
725 * @author Matthias Grimm <matthiasgrimm@users.sourceforge.net>
726 * @author Ben Coburn <btcoburn@silicodon.net>
727 * @author Kate Arzamastseva <pshns@ukr.net>
728 *
729 * @param int $first
730 * @param string $show_changes
731 */
732function html_recent($first = 0, $show_changes = 'both') {
733    global $conf;
734    global $lang;
735    global $ID;
736    /* we need to get one additionally log entry to be able to
737     * decide if this is the last page or is there another one.
738     * This is the cheapest solution to get this information.
739     */
740    $flags = 0;
741    if($show_changes == 'mediafiles' && $conf['mediarevisions']) {
742        $flags = RECENTS_MEDIA_CHANGES;
743    } elseif($show_changes == 'pages') {
744        $flags = 0;
745    } elseif($conf['mediarevisions']) {
746        $show_changes = 'both';
747        $flags = RECENTS_MEDIA_PAGES_MIXED;
748    }
749
750    $recents = getRecents($first, $conf['recent'] + 1, getNS($ID), $flags);
751    if(count($recents) == 0 && $first != 0) {
752        $first = 0;
753        $recents = getRecents($first, $conf['recent'] + 1, getNS($ID), $flags);
754    }
755    $hasNext = false;
756    if(count($recents) > $conf['recent']) {
757        $hasNext = true;
758        array_pop($recents); // remove extra log entry
759    }
760
761    print p_locale_xhtml('recent');
762
763    if(getNS($ID) != '') {
764        print '<div class="level1"><p>' . sprintf($lang['recent_global'], getNS($ID), wl('', 'do=recent')) . '</p></div>';
765    }
766
767    $form = new Doku_Form(array('id' => 'dw__recent', 'method' => 'GET', 'class' => 'changes'));
768    $form->addHidden('sectok', null);
769    $form->addHidden('do', 'recent');
770    $form->addHidden('id', $ID);
771
772    if($conf['mediarevisions']) {
773        $form->addElement('<div class="changeType">');
774        $form->addElement(form_makeListboxField(
775                    'show_changes',
776                    array(
777                        'pages'      => $lang['pages_changes'],
778                        'mediafiles' => $lang['media_changes'],
779                        'both'       => $lang['both_changes']
780                    ),
781                    $show_changes,
782                    $lang['changes_type'],
783                    '', '',
784                    array('class' => 'quickselect')));
785
786        $form->addElement(form_makeButton('submit', 'recent', $lang['btn_apply']));
787        $form->addElement('</div>');
788    }
789
790    $form->addElement(form_makeOpenTag('ul'));
791
792    foreach($recents as $recent) {
793        $date = dformat($recent['date']);
794
795        $class = '';
796        if($recent['type'] === DOKU_CHANGE_TYPE_MINOR_EDIT) {
797            $class = 'minor';
798        }
799        $form->addElement(form_makeOpenTag('li', array('class' => $class)));
800        $form->addElement(form_makeOpenTag('div', array('class' => 'li')));
801
802        if(!empty($recent['media'])) {
803            $form->addElement(media_printicon($recent['id']));
804        } else {
805            $icon = DOKU_BASE . 'lib/images/fileicons/file.png';
806            $form->addElement('<img src="' . $icon . '" alt="' . $recent['id'] . '" class="icon" />');
807        }
808
809        $form->addElement(form_makeOpenTag('span', array('class' => 'date')));
810        $form->addElement($date);
811        $form->addElement(form_makeCloseTag('span'));
812
813        $diff = false;
814        $href = '';
815
816        if(!empty($recent['media'])) {
817            $changelog = new MediaChangeLog($recent['id']);
818            $revs = $changelog->getRevisions(0, 1);
819            $diff = (count($revs) && file_exists(mediaFN($recent['id'])));
820            if($diff) {
821                $href = media_managerURL(array(
822                                            'tab_details' => 'history',
823                                            'mediado' => 'diff',
824                                            'image' => $recent['id'],
825                                            'ns' => getNS($recent['id'])
826                                        ), '&');
827            }
828        } else {
829            $href = wl($recent['id'], "do=diff", false, '&');
830        }
831
832        if(!empty($recent['media']) && !$diff) {
833            $form->addElement('<img src="' . DOKU_BASE . 'lib/images/blank.gif" width="15" height="11" alt="" />');
834        } else {
835            $form->addElement(form_makeOpenTag('a', array('class' => 'diff_link', 'href' => $href)));
836            $form->addElement(form_makeTag('img', array(
837                            'src'    => DOKU_BASE . 'lib/images/diff.png',
838                            'width'  => 15,
839                            'height' => 11,
840                            'title'  => $lang['diff'],
841                            'alt'    => $lang['diff']
842                        )));
843            $form->addElement(form_makeCloseTag('a'));
844        }
845
846        if(!empty($recent['media'])) {
847            $href = media_managerURL(array('tab_details' => 'history', 'image' => $recent['id'], 'ns' => getNS($recent['id'])), '&');
848        } else {
849            $href = wl($recent['id'], "do=revisions", false, '&');
850        }
851        $form->addElement(form_makeOpenTag('a', array(
852                        'class' => 'revisions_link',
853                        'href'  => $href)));
854        $form->addElement(form_makeTag('img', array(
855                        'src'    => DOKU_BASE . 'lib/images/history.png',
856                        'width'  => 12,
857                        'height' => 14,
858                        'title'  => $lang['btn_revs'],
859                        'alt'    => $lang['btn_revs']
860                    )));
861        $form->addElement(form_makeCloseTag('a'));
862
863        if(!empty($recent['media'])) {
864            $href = media_managerURL(array('tab_details' => 'view', 'image' => $recent['id'], 'ns' => getNS($recent['id'])), '&');
865            $class = file_exists(mediaFN($recent['id'])) ? 'wikilink1' : 'wikilink2';
866            $form->addElement(form_makeOpenTag('a', array(
867                        'class' => $class,
868                        'href'  => $href)));
869            $form->addElement($recent['id']);
870            $form->addElement(form_makeCloseTag('a'));
871        } else {
872            $form->addElement(html_wikilink(':' . $recent['id'], useHeading('navigation') ? null : $recent['id']));
873        }
874        $form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
875        $form->addElement(' – ' . hsc($recent['sum']));
876        $form->addElement(form_makeCloseTag('span'));
877
878        $form->addElement(form_makeOpenTag('span', array('class' => 'user')));
879        if($recent['user']) {
880            $form->addElement('<bdi>' . editorinfo($recent['user']) . '</bdi>');
881            if(auth_ismanager()) {
882                $form->addElement(' <bdo dir="ltr">(' . $recent['ip'] . ')</bdo>');
883            }
884        } else {
885            $form->addElement('<bdo dir="ltr">' . $recent['ip'] . '</bdo>');
886        }
887        $form->addElement(form_makeCloseTag('span'));
888
889        html_sizechange($recent['sizechange'], $form);
890
891        $form->addElement(form_makeCloseTag('div'));
892        $form->addElement(form_makeCloseTag('li'));
893    }
894    $form->addElement(form_makeCloseTag('ul'));
895
896    $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav')));
897    $last = $first + $conf['recent'];
898    if($first > 0) {
899        $first -= $conf['recent'];
900        if($first < 0) $first = 0;
901        $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav-prev')));
902        $form->addElement(form_makeOpenTag('button', array(
903                        'type'      => 'submit',
904                        'name'      => 'first[' . $first . ']',
905                        'accesskey' => 'n',
906                        'title'     => $lang['btn_newer'] . ' [N]',
907                        'class'     => 'button show'
908                    )));
909        $form->addElement($lang['btn_newer']);
910        $form->addElement(form_makeCloseTag('button'));
911        $form->addElement(form_makeCloseTag('div'));
912    }
913    if($hasNext) {
914        $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav-next')));
915        $form->addElement(form_makeOpenTag('button', array(
916                        'type'      => 'submit',
917                        'name'      => 'first[' . $last . ']',
918                        'accesskey' => 'p',
919                        'title'     => $lang['btn_older'] . ' [P]',
920                        'class'     => 'button show'
921                    )));
922        $form->addElement($lang['btn_older']);
923        $form->addElement(form_makeCloseTag('button'));
924        $form->addElement(form_makeCloseTag('div'));
925    }
926    $form->addElement(form_makeCloseTag('div'));
927    html_form('recent', $form);
928}
929
930/**
931 * Display page index
932 *
933 * @author Andreas Gohr <andi@splitbrain.org>
934 *
935 * @param string $ns
936 */
937function html_index($ns){
938    global $conf;
939    global $ID;
940    $ns  = cleanID($ns);
941    if(empty($ns)){
942        $ns = getNS($ID);
943        if($ns === false) $ns ='';
944    }
945    $ns  = utf8_encodeFN(str_replace(':','/',$ns));
946
947    echo p_locale_xhtml('index');
948    echo '<div id="index__tree" class="index__tree">';
949
950    $data = array();
951    search($data,$conf['datadir'],'search_index',array('ns' => $ns));
952    echo html_buildlist($data,'idx','html_list_index','html_li_index');
953
954    echo '</div>';
955}
956
957/**
958 * Index item formatter
959 *
960 * User function for html_buildlist()
961 *
962 * @author Andreas Gohr <andi@splitbrain.org>
963 *
964 * @param array $item
965 * @return string
966 */
967function html_list_index($item){
968    global $ID, $conf;
969
970    // prevent searchbots needlessly following links
971    $nofollow = ($ID != $conf['start'] || $conf['sitemap']) ? ' rel="nofollow"' : '';
972
973    $ret = '';
974    $base = ':'.$item['id'];
975    $base = substr($base,strrpos($base,':')+1);
976    if($item['type']=='d'){
977        // FS#2766, no need for search bots to follow namespace links in the index
978        $ret .= '<a href="'.wl($ID,'idx='.rawurlencode($item['id'])).'" title="' . $item['id'] . '" class="idx_dir"' . $nofollow . '><strong>';
979        $ret .= $base;
980        $ret .= '</strong></a>';
981    }else{
982        // default is noNSorNS($id), but we want noNS($id) when useheading is off FS#2605
983        $ret .= html_wikilink(':'.$item['id'], useHeading('navigation') ? null : noNS($item['id']));
984    }
985    return $ret;
986}
987
988/**
989 * Index List item
990 *
991 * This user function is used in html_buildlist to build the
992 * <li> tags for namespaces when displaying the page index
993 * it gives different classes to opened or closed "folders"
994 *
995 * @author Andreas Gohr <andi@splitbrain.org>
996 *
997 * @param array $item
998 * @return string html
999 */
1000function html_li_index($item){
1001    global $INFO;
1002    global $ACT;
1003
1004    $class = '';
1005    $id = '';
1006
1007    if($item['type'] == "f"){
1008        // scroll to the current item
1009        if($item['id'] == $INFO['id'] && $ACT == 'index') {
1010            $id = ' id="scroll__here"';
1011            $class = ' bounce';
1012        }
1013        return '<li class="level'.$item['level'].$class.'" '.$id.'>';
1014    }elseif($item['open']){
1015        return '<li class="open">';
1016    }else{
1017        return '<li class="closed">';
1018    }
1019}
1020
1021/**
1022 * Default List item
1023 *
1024 * @author Andreas Gohr <andi@splitbrain.org>
1025 *
1026 * @param array $item
1027 * @return string html
1028 */
1029function html_li_default($item){
1030    return '<li class="level'.$item['level'].'">';
1031}
1032
1033/**
1034 * Build an unordered list
1035 *
1036 * Build an unordered list from the given $data array
1037 * Each item in the array has to have a 'level' property
1038 * the item itself gets printed by the given $func user
1039 * function. The second and optional function is used to
1040 * print the <li> tag. Both user function need to accept
1041 * a single item.
1042 *
1043 * Both user functions can be given as array to point to
1044 * a member of an object.
1045 *
1046 * @author Andreas Gohr <andi@splitbrain.org>
1047 *
1048 * @param array    $data  array with item arrays
1049 * @param string   $class class of ul wrapper
1050 * @param callable $func  callback to print an list item
1051 * @param callable $lifunc callback to the opening li tag
1052 * @param bool     $forcewrapper Trigger building a wrapper ul if the first level is
1053 *                               0 (we have a root object) or 1 (just the root content)
1054 * @return string html of an unordered list
1055 */
1056function html_buildlist($data,$class,$func,$lifunc='html_li_default',$forcewrapper=false){
1057    if (count($data) === 0) {
1058        return '';
1059    }
1060
1061    $firstElement = reset($data);
1062    $start_level = $firstElement['level'];
1063    $level = $start_level;
1064    $ret   = '';
1065    $open  = 0;
1066
1067    foreach ($data as $item){
1068
1069        if( $item['level'] > $level ){
1070            //open new list
1071            for($i=0; $i<($item['level'] - $level); $i++){
1072                if ($i) $ret .= "<li class=\"clear\">";
1073                $ret .= "\n<ul class=\"$class\">\n";
1074                $open++;
1075            }
1076            $level = $item['level'];
1077
1078        }elseif( $item['level'] < $level ){
1079            //close last item
1080            $ret .= "</li>\n";
1081            while( $level > $item['level'] && $open > 0 ){
1082                //close higher lists
1083                $ret .= "</ul>\n</li>\n";
1084                $level--;
1085                $open--;
1086            }
1087        } elseif ($ret !== '') {
1088            //close previous item
1089            $ret .= "</li>\n";
1090        }
1091
1092        //print item
1093        $ret .= call_user_func($lifunc,$item);
1094        $ret .= '<div class="li">';
1095
1096        $ret .= call_user_func($func,$item);
1097        $ret .= '</div>';
1098    }
1099
1100    //close remaining items and lists
1101    $ret .= "</li>\n";
1102    while($open-- > 0) {
1103        $ret .= "</ul></li>\n";
1104    }
1105
1106    if ($forcewrapper || $start_level < 2) {
1107        // Trigger building a wrapper ul if the first level is
1108        // 0 (we have a root object) or 1 (just the root content)
1109        $ret = "\n<ul class=\"$class\">\n".$ret."</ul>\n";
1110    }
1111
1112    return $ret;
1113}
1114
1115/**
1116 * display backlinks
1117 *
1118 * @author Andreas Gohr <andi@splitbrain.org>
1119 * @author Michael Klier <chi@chimeric.de>
1120 */
1121function html_backlinks(){
1122    global $ID;
1123    global $lang;
1124
1125    print p_locale_xhtml('backlinks');
1126
1127    $data = ft_backlinks($ID);
1128
1129    if(!empty($data)) {
1130        print '<ul class="idx">';
1131        foreach($data as $blink){
1132            print '<li><div class="li">';
1133            print html_wikilink(':'.$blink,useHeading('navigation')?null:$blink);
1134            print '</div></li>';
1135        }
1136        print '</ul>';
1137    } else {
1138        print '<div class="level1"><p>' . $lang['nothingfound'] . '</p></div>';
1139    }
1140}
1141
1142/**
1143 * Get header of diff HTML
1144 *
1145 * @param string $l_rev   Left revisions
1146 * @param string $r_rev   Right revision
1147 * @param string $id      Page id, if null $ID is used
1148 * @param bool   $media   If it is for media files
1149 * @param bool   $inline  Return the header on a single line
1150 * @return string[] HTML snippets for diff header
1151 */
1152function html_diff_head($l_rev, $r_rev, $id = null, $media = false, $inline = false) {
1153    global $lang;
1154    if ($id === null) {
1155        global $ID;
1156        $id = $ID;
1157    }
1158    $head_separator = $inline ? ' ' : '<br />';
1159    $media_or_wikiFN = $media ? 'mediaFN' : 'wikiFN';
1160    $ml_or_wl = $media ? 'ml' : 'wl';
1161    $l_minor = $r_minor = '';
1162
1163    if($media) {
1164        $changelog = new MediaChangeLog($id);
1165    } else {
1166        $changelog = new PageChangeLog($id);
1167    }
1168    if(!$l_rev){
1169        $l_head = '&mdash;';
1170    }else{
1171        $l_info   = $changelog->getRevisionInfo($l_rev);
1172        if($l_info['user']){
1173            $l_user = '<bdi>'.editorinfo($l_info['user']).'</bdi>';
1174            if(auth_ismanager()) $l_user .= ' <bdo dir="ltr">('.$l_info['ip'].')</bdo>';
1175        } else {
1176            $l_user = '<bdo dir="ltr">'.$l_info['ip'].'</bdo>';
1177        }
1178        $l_user  = '<span class="user">'.$l_user.'</span>';
1179        $l_sum   = ($l_info['sum']) ? '<span class="sum"><bdi>'.hsc($l_info['sum']).'</bdi></span>' : '';
1180        if ($l_info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT) $l_minor = 'class="minor"';
1181
1182        $l_head_title = ($media) ? dformat($l_rev) : $id.' ['.dformat($l_rev).']';
1183        $l_head = '<bdi><a class="wikilink1" href="'.$ml_or_wl($id,"rev=$l_rev").'">'.
1184        $l_head_title.'</a></bdi>'.
1185        $head_separator.$l_user.' '.$l_sum;
1186    }
1187
1188    if($r_rev){
1189        $r_info   = $changelog->getRevisionInfo($r_rev);
1190        if($r_info['user']){
1191            $r_user = '<bdi>'.editorinfo($r_info['user']).'</bdi>';
1192            if(auth_ismanager()) $r_user .= ' <bdo dir="ltr">('.$r_info['ip'].')</bdo>';
1193        } else {
1194            $r_user = '<bdo dir="ltr">'.$r_info['ip'].'</bdo>';
1195        }
1196        $r_user = '<span class="user">'.$r_user.'</span>';
1197        $r_sum  = ($r_info['sum']) ? '<span class="sum"><bdi>'.hsc($r_info['sum']).'</bdi></span>' : '';
1198        if ($r_info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT) $r_minor = 'class="minor"';
1199
1200        $r_head_title = ($media) ? dformat($r_rev) : $id.' ['.dformat($r_rev).']';
1201        $r_head = '<bdi><a class="wikilink1" href="'.$ml_or_wl($id,"rev=$r_rev").'">'.
1202        $r_head_title.'</a></bdi>'.
1203        $head_separator.$r_user.' '.$r_sum;
1204    }elseif($_rev = @filemtime($media_or_wikiFN($id))){
1205        $_info   = $changelog->getRevisionInfo($_rev);
1206        if($_info['user']){
1207            $_user = '<bdi>'.editorinfo($_info['user']).'</bdi>';
1208            if(auth_ismanager()) $_user .= ' <bdo dir="ltr">('.$_info['ip'].')</bdo>';
1209        } else {
1210            $_user = '<bdo dir="ltr">'.$_info['ip'].'</bdo>';
1211        }
1212        $_user = '<span class="user">'.$_user.'</span>';
1213        $_sum  = ($_info['sum']) ? '<span class="sum"><bdi>'.hsc($_info['sum']).'</span></bdi>' : '';
1214        if ($_info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT) $r_minor = 'class="minor"';
1215
1216        $r_head_title = ($media) ? dformat($_rev) : $id.' ['.dformat($_rev).']';
1217        $r_head  = '<bdi><a class="wikilink1" href="'.$ml_or_wl($id).'">'.
1218        $r_head_title.'</a></bdi> '.
1219        '('.$lang['current'].')'.
1220        $head_separator.$_user.' '.$_sum;
1221    }else{
1222        $r_head = '&mdash; ('.$lang['current'].')';
1223    }
1224
1225    return array($l_head, $r_head, $l_minor, $r_minor);
1226}
1227
1228/**
1229 * Show diff
1230 * between current page version and provided $text
1231 * or between the revisions provided via GET or POST
1232 *
1233 * @author Andreas Gohr <andi@splitbrain.org>
1234 * @param  string $text  when non-empty: compare with this text with most current version
1235 * @param  bool   $intro display the intro text
1236 * @param  string $type  type of the diff (inline or sidebyside)
1237 */
1238function html_diff($text = '', $intro = true, $type = null) {
1239    global $ID;
1240    global $REV;
1241    global $lang;
1242    global $INPUT;
1243    global $INFO;
1244    $pagelog = new PageChangeLog($ID);
1245
1246    /*
1247     * Determine diff type
1248     */
1249    if(!$type) {
1250        $type = $INPUT->str('difftype');
1251        if(empty($type)) {
1252            $type = get_doku_pref('difftype', $type);
1253            if(empty($type) && $INFO['ismobile']) {
1254                $type = 'inline';
1255            }
1256        }
1257    }
1258    if($type != 'inline') $type = 'sidebyside';
1259
1260    /*
1261     * Determine requested revision(s)
1262     */
1263    // we're trying to be clever here, revisions to compare can be either
1264    // given as rev and rev2 parameters, with rev2 being optional. Or in an
1265    // array in rev2.
1266    $rev1 = $REV;
1267
1268    $rev2 = $INPUT->ref('rev2');
1269    if(is_array($rev2)) {
1270        $rev1 = (int) $rev2[0];
1271        $rev2 = (int) $rev2[1];
1272
1273        if(!$rev1) {
1274            $rev1 = $rev2;
1275            unset($rev2);
1276        }
1277    } else {
1278        $rev2 = $INPUT->int('rev2');
1279    }
1280
1281    /*
1282     * Determine left and right revision, its texts and the header
1283     */
1284    $r_minor = '';
1285    $l_minor = '';
1286
1287    if($text) { // compare text to the most current revision
1288        $l_rev = '';
1289        $l_text = rawWiki($ID, '');
1290        $l_head = '<a class="wikilink1" href="' . wl($ID) . '">' .
1291            $ID . ' ' . dformat((int) @filemtime(wikiFN($ID))) . '</a> ' .
1292            $lang['current'];
1293
1294        $r_rev = '';
1295        $r_text = cleanText($text);
1296        $r_head = $lang['yours'];
1297    } else {
1298        if($rev1 && isset($rev2) && $rev2) { // two specific revisions wanted
1299            // make sure order is correct (older on the left)
1300            if($rev1 < $rev2) {
1301                $l_rev = $rev1;
1302                $r_rev = $rev2;
1303            } else {
1304                $l_rev = $rev2;
1305                $r_rev = $rev1;
1306            }
1307        } elseif($rev1) { // single revision given, compare to current
1308            $r_rev = '';
1309            $l_rev = $rev1;
1310        } else { // no revision was given, compare previous to current
1311            $r_rev = '';
1312            $revs = $pagelog->getRevisions(0, 1);
1313            $l_rev = $revs[0];
1314            $REV = $l_rev; // store revision back in $REV
1315        }
1316
1317        // when both revisions are empty then the page was created just now
1318        if(!$l_rev && !$r_rev) {
1319            $l_text = '';
1320        } else {
1321            $l_text = rawWiki($ID, $l_rev);
1322        }
1323        $r_text = rawWiki($ID, $r_rev);
1324
1325        list($l_head, $r_head, $l_minor, $r_minor) = html_diff_head($l_rev, $r_rev, null, false, $type == 'inline');
1326    }
1327
1328    /*
1329     * Build navigation
1330     */
1331    $l_nav = '';
1332    $r_nav = '';
1333    if(!$text) {
1334        list($l_nav, $r_nav) = html_diff_navigation($pagelog, $type, $l_rev, $r_rev);
1335    }
1336    /*
1337     * Create diff object and the formatter
1338     */
1339    $diff = new Diff(explode("\n", $l_text), explode("\n", $r_text));
1340
1341    if($type == 'inline') {
1342        $diffformatter = new InlineDiffFormatter();
1343    } else {
1344        $diffformatter = new TableDiffFormatter();
1345    }
1346    /*
1347     * Display intro
1348     */
1349    if($intro) print p_locale_xhtml('diff');
1350
1351    /*
1352     * Display type and exact reference
1353     */
1354    if(!$text) {
1355        ptln('<div class="diffoptions group">');
1356
1357
1358        $form = new Doku_Form(array('action' => wl()));
1359        $form->addHidden('id', $ID);
1360        $form->addHidden('rev2[0]', $l_rev);
1361        $form->addHidden('rev2[1]', $r_rev);
1362        $form->addHidden('do', 'diff');
1363        $form->addElement(
1364             form_makeListboxField(
1365                 'difftype',
1366                 array(
1367                     'sidebyside' => $lang['diff_side'],
1368                     'inline' => $lang['diff_inline']
1369                 ),
1370                 $type,
1371                 $lang['diff_type'],
1372                 '', '',
1373                 array('class' => 'quickselect')
1374             )
1375        );
1376        $form->addElement(form_makeButton('submit', 'diff', 'Go'));
1377        $form->printForm();
1378
1379        ptln('<p>');
1380        // link to exactly this view FS#2835
1381        echo html_diff_navigationlink($type, 'difflink', $l_rev, $r_rev ? $r_rev : $INFO['currentrev']);
1382        ptln('</p>');
1383
1384        ptln('</div>'); // .diffoptions
1385    }
1386
1387    /*
1388     * Display diff view table
1389     */
1390    ?>
1391    <div class="table">
1392    <table class="diff diff_<?php echo $type ?>">
1393
1394        <?php
1395        //navigation and header
1396        if($type == 'inline') {
1397            if(!$text) { ?>
1398                <tr>
1399                    <td class="diff-lineheader">-</td>
1400                    <td class="diffnav"><?php echo $l_nav ?></td>
1401                </tr>
1402                <tr>
1403                    <th class="diff-lineheader">-</th>
1404                    <th <?php echo $l_minor ?>>
1405                        <?php echo $l_head ?>
1406                    </th>
1407                </tr>
1408            <?php } ?>
1409            <tr>
1410                <td class="diff-lineheader">+</td>
1411                <td class="diffnav"><?php echo $r_nav ?></td>
1412            </tr>
1413            <tr>
1414                <th class="diff-lineheader">+</th>
1415                <th <?php echo $r_minor ?>>
1416                    <?php echo $r_head ?>
1417                </th>
1418            </tr>
1419        <?php } else {
1420            if(!$text) { ?>
1421                <tr>
1422                    <td colspan="2" class="diffnav"><?php echo $l_nav ?></td>
1423                    <td colspan="2" class="diffnav"><?php echo $r_nav ?></td>
1424                </tr>
1425            <?php } ?>
1426            <tr>
1427                <th colspan="2" <?php echo $l_minor ?>>
1428                    <?php echo $l_head ?>
1429                </th>
1430                <th colspan="2" <?php echo $r_minor ?>>
1431                    <?php echo $r_head ?>
1432                </th>
1433            </tr>
1434        <?php }
1435
1436        //diff view
1437        echo html_insert_softbreaks($diffformatter->format($diff)); ?>
1438
1439    </table>
1440    </div>
1441<?php
1442}
1443
1444/**
1445 * Create html for revision navigation
1446 *
1447 * @param PageChangeLog $pagelog changelog object of current page
1448 * @param string        $type    inline vs sidebyside
1449 * @param int           $l_rev   left revision timestamp
1450 * @param int           $r_rev   right revision timestamp
1451 * @return string[] html of left and right navigation elements
1452 */
1453function html_diff_navigation($pagelog, $type, $l_rev, $r_rev) {
1454    global $INFO, $ID;
1455
1456    // last timestamp is not in changelog, retrieve timestamp from metadata
1457    // note: when page is removed, the metadata timestamp is zero
1458    if(!$r_rev) {
1459        if(isset($INFO['meta']['last_change']['date'])) {
1460            $r_rev = $INFO['meta']['last_change']['date'];
1461        } else {
1462            $r_rev = 0;
1463        }
1464    }
1465
1466    //retrieve revisions with additional info
1467    list($l_revs, $r_revs) = $pagelog->getRevisionsAround($l_rev, $r_rev);
1468    $l_revisions = array();
1469    if(!$l_rev) {
1470        $l_revisions[0] = array(0, "", false); //no left revision given, add dummy
1471    }
1472    foreach($l_revs as $rev) {
1473        $info = $pagelog->getRevisionInfo($rev);
1474        $l_revisions[$rev] = array(
1475            $rev,
1476            dformat($info['date']) . ' ' . editorinfo($info['user'], true) . ' ' . $info['sum'],
1477            $r_rev ? $rev >= $r_rev : false //disable?
1478        );
1479    }
1480    $r_revisions = array();
1481    if(!$r_rev) {
1482        $r_revisions[0] = array(0, "", false); //no right revision given, add dummy
1483    }
1484    foreach($r_revs as $rev) {
1485        $info = $pagelog->getRevisionInfo($rev);
1486        $r_revisions[$rev] = array(
1487            $rev,
1488            dformat($info['date']) . ' ' . editorinfo($info['user'], true) . ' ' . $info['sum'],
1489            $rev <= $l_rev //disable?
1490        );
1491    }
1492
1493    //determine previous/next revisions
1494    $l_index = array_search($l_rev, $l_revs);
1495    $l_prev = $l_revs[$l_index + 1];
1496    $l_next = $l_revs[$l_index - 1];
1497    if($r_rev) {
1498        $r_index = array_search($r_rev, $r_revs);
1499        $r_prev = $r_revs[$r_index + 1];
1500        $r_next = $r_revs[$r_index - 1];
1501    } else {
1502        //removed page
1503        if($l_next) {
1504            $r_prev = $r_revs[0];
1505        } else {
1506            $r_prev = null;
1507        }
1508        $r_next = null;
1509    }
1510
1511    /*
1512     * Left side:
1513     */
1514    $l_nav = '';
1515    //move back
1516    if($l_prev) {
1517        $l_nav .= html_diff_navigationlink($type, 'diffbothprevrev', $l_prev, $r_prev);
1518        $l_nav .= html_diff_navigationlink($type, 'diffprevrev', $l_prev, $r_rev);
1519    }
1520    //dropdown
1521    $form = new Doku_Form(array('action' => wl()));
1522    $form->addHidden('id', $ID);
1523    $form->addHidden('difftype', $type);
1524    $form->addHidden('rev2[1]', $r_rev);
1525    $form->addHidden('do', 'diff');
1526    $form->addElement(
1527         form_makeListboxField(
1528             'rev2[0]',
1529             $l_revisions,
1530             $l_rev,
1531             '', '', '',
1532             array('class' => 'quickselect')
1533         )
1534    );
1535    $form->addElement(form_makeButton('submit', 'diff', 'Go'));
1536    $l_nav .= $form->getForm();
1537    //move forward
1538    if($l_next && ($l_next < $r_rev || !$r_rev)) {
1539        $l_nav .= html_diff_navigationlink($type, 'diffnextrev', $l_next, $r_rev);
1540    }
1541
1542    /*
1543     * Right side:
1544     */
1545    $r_nav = '';
1546    //move back
1547    if($l_rev < $r_prev) {
1548        $r_nav .= html_diff_navigationlink($type, 'diffprevrev', $l_rev, $r_prev);
1549    }
1550    //dropdown
1551    $form = new Doku_Form(array('action' => wl()));
1552    $form->addHidden('id', $ID);
1553    $form->addHidden('rev2[0]', $l_rev);
1554    $form->addHidden('difftype', $type);
1555    $form->addHidden('do', 'diff');
1556    $form->addElement(
1557         form_makeListboxField(
1558             'rev2[1]',
1559             $r_revisions,
1560             $r_rev,
1561             '', '', '',
1562             array('class' => 'quickselect')
1563         )
1564    );
1565    $form->addElement(form_makeButton('submit', 'diff', 'Go'));
1566    $r_nav .= $form->getForm();
1567    //move forward
1568    if($r_next) {
1569        if($pagelog->isCurrentRevision($r_next)) {
1570            $r_nav .= html_diff_navigationlink($type, 'difflastrev', $l_rev); //last revision is diff with current page
1571        } else {
1572            $r_nav .= html_diff_navigationlink($type, 'diffnextrev', $l_rev, $r_next);
1573        }
1574        $r_nav .= html_diff_navigationlink($type, 'diffbothnextrev', $l_next, $r_next);
1575    }
1576    return array($l_nav, $r_nav);
1577}
1578
1579/**
1580 * Create html link to a diff defined by two revisions
1581 *
1582 * @param string $difftype display type
1583 * @param string $linktype
1584 * @param int $lrev oldest revision
1585 * @param int $rrev newest revision or null for diff with current revision
1586 * @return string html of link to a diff
1587 */
1588function html_diff_navigationlink($difftype, $linktype, $lrev, $rrev = null) {
1589    global $ID, $lang;
1590    if(!$rrev) {
1591        $urlparam = array(
1592            'do' => 'diff',
1593            'rev' => $lrev,
1594            'difftype' => $difftype,
1595        );
1596    } else {
1597        $urlparam = array(
1598            'do' => 'diff',
1599            'rev2[0]' => $lrev,
1600            'rev2[1]' => $rrev,
1601            'difftype' => $difftype,
1602        );
1603    }
1604    return  '<a class="' . $linktype . '" href="' . wl($ID, $urlparam) . '" title="' . $lang[$linktype] . '">' .
1605                '<span>' . $lang[$linktype] . '</span>' .
1606            '</a>' . "\n";
1607}
1608
1609/**
1610 * Insert soft breaks in diff html
1611 *
1612 * @param string $diffhtml
1613 * @return string
1614 */
1615function html_insert_softbreaks($diffhtml) {
1616    // search the diff html string for both:
1617    // - html tags, so these can be ignored
1618    // - long strings of characters without breaking characters
1619    return preg_replace_callback('/<[^>]*>|[^<> ]{12,}/','html_softbreak_callback',$diffhtml);
1620}
1621
1622/**
1623 * callback which adds softbreaks
1624 *
1625 * @param array $match array with first the complete match
1626 * @return string the replacement
1627 */
1628function html_softbreak_callback($match){
1629    // if match is an html tag, return it intact
1630    if ($match[0]{0} == '<') return $match[0];
1631
1632    // its a long string without a breaking character,
1633    // make certain characters into breaking characters by inserting a
1634    // breaking character (zero length space, U+200B / #8203) in front them.
1635    $regex = <<< REGEX
1636(?(?=                                 # start a conditional expression with a positive look ahead ...
1637&\#?\\w{1,6};)                        # ... for html entities - we don't want to split them (ok to catch some invalid combinations)
1638&\#?\\w{1,6};                         # yes pattern - a quicker match for the html entity, since we know we have one
1639|
1640[?/,&\#;:]                            # no pattern - any other group of 'special' characters to insert a breaking character after
1641)+                                    # end conditional expression
1642REGEX;
1643
1644    return preg_replace('<'.$regex.'>xu','\0&#8203;',$match[0]);
1645}
1646
1647/**
1648 * show warning on conflict detection
1649 *
1650 * @author Andreas Gohr <andi@splitbrain.org>
1651 *
1652 * @param string $text
1653 * @param string $summary
1654 */
1655function html_conflict($text,$summary){
1656    global $ID;
1657    global $lang;
1658
1659    print p_locale_xhtml('conflict');
1660    $form = new Doku_Form(array('id' => 'dw__editform'));
1661    $form->addHidden('id', $ID);
1662    $form->addHidden('wikitext', $text);
1663    $form->addHidden('summary', $summary);
1664    $form->addElement(form_makeButton('submit', 'save', $lang['btn_save'], array('accesskey'=>'s')));
1665    $form->addElement(form_makeButton('submit', 'cancel', $lang['btn_cancel']));
1666    html_form('conflict', $form);
1667    print '<br /><br /><br /><br />'.NL;
1668}
1669
1670/**
1671 * Prints the global message array
1672 *
1673 * @author Andreas Gohr <andi@splitbrain.org>
1674 */
1675function html_msgarea(){
1676    global $MSG, $MSG_shown;
1677    /** @var array $MSG */
1678    // store if the global $MSG has already been shown and thus HTML output has been started
1679    $MSG_shown = true;
1680
1681    if(!isset($MSG)) return;
1682
1683    $shown = array();
1684    foreach($MSG as $msg){
1685        $hash = md5($msg['msg']);
1686        if(isset($shown[$hash])) continue; // skip double messages
1687        if(info_msg_allowed($msg)){
1688            print '<div class="'.$msg['lvl'].'">';
1689            print $msg['msg'];
1690            print '</div>';
1691        }
1692        $shown[$hash] = 1;
1693    }
1694
1695    unset($GLOBALS['MSG']);
1696}
1697
1698/**
1699 * Prints the registration form
1700 *
1701 * @author Andreas Gohr <andi@splitbrain.org>
1702 */
1703function html_register(){
1704    global $lang;
1705    global $conf;
1706    global $INPUT;
1707
1708    $base_attrs = array('size'=>50,'required'=>'required');
1709    $email_attrs = $base_attrs + array('type'=>'email','class'=>'edit');
1710
1711    print p_locale_xhtml('register');
1712    print '<div class="centeralign">'.NL;
1713    $form = new Doku_Form(array('id' => 'dw__register'));
1714    $form->startFieldset($lang['btn_register']);
1715    $form->addHidden('do', 'register');
1716    $form->addHidden('save', '1');
1717    $form->addElement(form_makeTextField('login', $INPUT->post->str('login'), $lang['user'], '', 'block', $base_attrs));
1718    if (!$conf['autopasswd']) {
1719        $form->addElement(form_makePasswordField('pass', $lang['pass'], '', 'block', $base_attrs));
1720        $form->addElement(form_makePasswordField('passchk', $lang['passchk'], '', 'block', $base_attrs));
1721    }
1722    $form->addElement(form_makeTextField('fullname', $INPUT->post->str('fullname'), $lang['fullname'], '', 'block', $base_attrs));
1723    $form->addElement(form_makeField('email','email', $INPUT->post->str('email'), $lang['email'], '', 'block', $email_attrs));
1724    $form->addElement(form_makeButton('submit', '', $lang['btn_register']));
1725    $form->endFieldset();
1726    html_form('register', $form);
1727
1728    print '</div>'.NL;
1729}
1730
1731/**
1732 * Print the update profile form
1733 *
1734 * @author Christopher Smith <chris@jalakai.co.uk>
1735 * @author Andreas Gohr <andi@splitbrain.org>
1736 */
1737function html_updateprofile(){
1738    global $lang;
1739    global $conf;
1740    global $INPUT;
1741    global $INFO;
1742    /** @var DokuWiki_Auth_Plugin $auth */
1743    global $auth;
1744
1745    print p_locale_xhtml('updateprofile');
1746    print '<div class="centeralign">'.NL;
1747
1748    $fullname = $INPUT->post->str('fullname', $INFO['userinfo']['name'], true);
1749    $email = $INPUT->post->str('email', $INFO['userinfo']['mail'], true);
1750    $form = new Doku_Form(array('id' => 'dw__register'));
1751    $form->startFieldset($lang['profile']);
1752    $form->addHidden('do', 'profile');
1753    $form->addHidden('save', '1');
1754    $form->addElement(form_makeTextField('login', $_SERVER['REMOTE_USER'], $lang['user'], '', 'block', array('size'=>'50', 'disabled'=>'disabled')));
1755    $attr = array('size'=>'50');
1756    if (!$auth->canDo('modName')) $attr['disabled'] = 'disabled';
1757    $form->addElement(form_makeTextField('fullname', $fullname, $lang['fullname'], '', 'block', $attr));
1758    $attr = array('size'=>'50', 'class'=>'edit');
1759    if (!$auth->canDo('modMail')) $attr['disabled'] = 'disabled';
1760    $form->addElement(form_makeField('email','email', $email, $lang['email'], '', 'block', $attr));
1761    $form->addElement(form_makeTag('br'));
1762    if ($auth->canDo('modPass')) {
1763        $form->addElement(form_makePasswordField('newpass', $lang['newpass'], '', 'block', array('size'=>'50')));
1764        $form->addElement(form_makePasswordField('passchk', $lang['passchk'], '', 'block', array('size'=>'50')));
1765    }
1766    if ($conf['profileconfirm']) {
1767        $form->addElement(form_makeTag('br'));
1768        $form->addElement(form_makePasswordField('oldpass', $lang['oldpass'], '', 'block', array('size'=>'50', 'required' => 'required')));
1769    }
1770    $form->addElement(form_makeButton('submit', '', $lang['btn_save']));
1771    $form->addElement(form_makeButton('reset', '', $lang['btn_reset']));
1772
1773    $form->endFieldset();
1774    html_form('updateprofile', $form);
1775
1776    if ($auth->canDo('delUser') && actionOK('profile_delete')) {
1777        $form_profiledelete = new Doku_Form(array('id' => 'dw__profiledelete'));
1778        $form_profiledelete->startFieldset($lang['profdeleteuser']);
1779        $form_profiledelete->addHidden('do', 'profile_delete');
1780        $form_profiledelete->addHidden('delete', '1');
1781        $form_profiledelete->addElement(form_makeCheckboxField('confirm_delete', '1', $lang['profconfdelete'],'dw__confirmdelete','', array('required' => 'required')));
1782        if ($conf['profileconfirm']) {
1783            $form_profiledelete->addElement(form_makeTag('br'));
1784            $form_profiledelete->addElement(form_makePasswordField('oldpass', $lang['oldpass'], '', 'block', array('size'=>'50', 'required' => 'required')));
1785        }
1786        $form_profiledelete->addElement(form_makeButton('submit', '', $lang['btn_deleteuser']));
1787        $form_profiledelete->endFieldset();
1788
1789        html_form('profiledelete', $form_profiledelete);
1790    }
1791
1792    print '</div>'.NL;
1793}
1794
1795/**
1796 * Preprocess edit form data
1797 *
1798 * @author   Andreas Gohr <andi@splitbrain.org>
1799 *
1800 * @triggers HTML_EDITFORM_OUTPUT
1801 */
1802function html_edit(){
1803    global $INPUT;
1804    global $ID;
1805    global $REV;
1806    global $DATE;
1807    global $PRE;
1808    global $SUF;
1809    global $INFO;
1810    global $SUM;
1811    global $lang;
1812    global $conf;
1813    global $TEXT;
1814
1815    if ($INPUT->has('changecheck')) {
1816        $check = $INPUT->str('changecheck');
1817    } elseif(!$INFO['exists']){
1818        // $TEXT has been loaded from page template
1819        $check = md5('');
1820    } else {
1821        $check = md5($TEXT);
1822    }
1823    $mod = md5($TEXT) !== $check;
1824
1825    $wr = $INFO['writable'] && !$INFO['locked'];
1826    $include = 'edit';
1827    if($wr){
1828        if ($REV) $include = 'editrev';
1829    }else{
1830        // check pseudo action 'source'
1831        if(!actionOK('source')){
1832            msg('Command disabled: source',-1);
1833            return;
1834        }
1835        $include = 'read';
1836    }
1837
1838    global $license;
1839
1840    $form = new Doku_Form(array('id' => 'dw__editform'));
1841    $form->addHidden('id', $ID);
1842    $form->addHidden('rev', $REV);
1843    $form->addHidden('date', $DATE);
1844    $form->addHidden('prefix', $PRE . '.');
1845    $form->addHidden('suffix', $SUF);
1846    $form->addHidden('changecheck', $check);
1847
1848    $data = array('form' => $form,
1849                  'wr'   => $wr,
1850                  'media_manager' => true,
1851                  'target' => ($INPUT->has('target') && $wr) ? $INPUT->str('target') : 'section',
1852                  'intro_locale' => $include);
1853
1854    if ($data['target'] !== 'section') {
1855        // Only emit event if page is writable, section edit data is valid and
1856        // edit target is not section.
1857        trigger_event('HTML_EDIT_FORMSELECTION', $data, 'html_edit_form', true);
1858    } else {
1859        html_edit_form($data);
1860    }
1861    if (isset($data['intro_locale'])) {
1862        echo p_locale_xhtml($data['intro_locale']);
1863    }
1864
1865    $form->addHidden('target', $data['target']);
1866    if ($INPUT->has('hid')) {
1867        $form->addHidden('hid', $INPUT->str('hid'));
1868    }
1869    $form->addElement(form_makeOpenTag('div', array('id'=>'wiki__editbar', 'class'=>'editBar')));
1870    $form->addElement(form_makeOpenTag('div', array('id'=>'size__ctl')));
1871    $form->addElement(form_makeCloseTag('div'));
1872    if ($wr) {
1873        $form->addElement(form_makeOpenTag('div', array('class'=>'editButtons')));
1874        $form->addElement(form_makeButton('submit', 'save', $lang['btn_save'], array('id'=>'edbtn__save', 'accesskey'=>'s', 'tabindex'=>'4')));
1875        $form->addElement(form_makeButton('submit', 'preview', $lang['btn_preview'], array('id'=>'edbtn__preview', 'accesskey'=>'p', 'tabindex'=>'5')));
1876        $form->addElement(form_makeButton('submit', 'draftdel', $lang['btn_cancel'], array('tabindex'=>'6')));
1877        $form->addElement(form_makeCloseTag('div'));
1878        $form->addElement(form_makeOpenTag('div', array('class'=>'summary')));
1879        $form->addElement(form_makeTextField('summary', $SUM, $lang['summary'], 'edit__summary', 'nowrap', array('size'=>'50', 'tabindex'=>'2')));
1880        $elem = html_minoredit();
1881        if ($elem) $form->addElement($elem);
1882        $form->addElement(form_makeCloseTag('div'));
1883    }
1884    $form->addElement(form_makeCloseTag('div'));
1885    if($wr && $conf['license']){
1886        $form->addElement(form_makeOpenTag('div', array('class'=>'license')));
1887        $out  = $lang['licenseok'];
1888        $out .= ' <a href="'.$license[$conf['license']]['url'].'" rel="license" class="urlextern"';
1889        if($conf['target']['extern']) $out .= ' target="'.$conf['target']['extern'].'"';
1890        $out .= '>'.$license[$conf['license']]['name'].'</a>';
1891        $form->addElement($out);
1892        $form->addElement(form_makeCloseTag('div'));
1893    }
1894
1895    if ($wr) {
1896        // sets changed to true when previewed
1897        echo '<script type="text/javascript">/*<![CDATA[*/'. NL;
1898        echo 'textChanged = ' . ($mod ? 'true' : 'false');
1899        echo '/*!]]>*/</script>' . NL;
1900    } ?>
1901    <div class="editBox" role="application">
1902
1903    <div class="toolbar group">
1904        <div id="draft__status" class="draft__status"><?php if(!empty($INFO['draft'])) echo $lang['draftdate'].' '.dformat();?></div>
1905        <div id="tool__bar" class="tool__bar"><?php if ($wr && $data['media_manager']){?><a href="<?php echo DOKU_BASE?>lib/exe/mediamanager.php?ns=<?php echo $INFO['namespace']?>"
1906            target="_blank"><?php echo $lang['mediaselect'] ?></a><?php }?></div>
1907    </div>
1908    <?php
1909
1910    html_form('edit', $form);
1911    print '</div>'.NL;
1912}
1913
1914/**
1915 * Display the default edit form
1916 *
1917 * Is the default action for HTML_EDIT_FORMSELECTION.
1918 *
1919 * @param mixed[] $param
1920 */
1921function html_edit_form($param) {
1922    global $TEXT;
1923
1924    if ($param['target'] !== 'section') {
1925        msg('No editor for edit target ' . hsc($param['target']) . ' found.', -1);
1926    }
1927
1928    $attr = array('tabindex'=>'1');
1929    if (!$param['wr']) $attr['readonly'] = 'readonly';
1930
1931    $param['form']->addElement(form_makeWikiText($TEXT, $attr));
1932}
1933
1934/**
1935 * Adds a checkbox for minor edits for logged in users
1936 *
1937 * @author Andreas Gohr <andi@splitbrain.org>
1938 *
1939 * @return array|bool
1940 */
1941function html_minoredit(){
1942    global $conf;
1943    global $lang;
1944    global $INPUT;
1945    // minor edits are for logged in users only
1946    if(!$conf['useacl'] || !$_SERVER['REMOTE_USER']){
1947        return false;
1948    }
1949
1950    $p = array();
1951    $p['tabindex'] = 3;
1952    if($INPUT->bool('minor')) $p['checked']='checked';
1953    return form_makeCheckboxField('minor', '1', $lang['minoredit'], 'minoredit', 'nowrap', $p);
1954}
1955
1956/**
1957 * prints some debug info
1958 *
1959 * @author Andreas Gohr <andi@splitbrain.org>
1960 */
1961function html_debug(){
1962    global $conf;
1963    global $lang;
1964    /** @var DokuWiki_Auth_Plugin $auth */
1965    global $auth;
1966    global $INFO;
1967
1968    //remove sensitive data
1969    $cnf = $conf;
1970    debug_guard($cnf);
1971    $nfo = $INFO;
1972    debug_guard($nfo);
1973    $ses = $_SESSION;
1974    debug_guard($ses);
1975
1976    print '<html><body>';
1977
1978    print '<p>When reporting bugs please send all the following ';
1979    print 'output as a mail to andi@splitbrain.org ';
1980    print 'The best way to do this is to save this page in your browser</p>';
1981
1982    print '<b>$INFO:</b><pre>';
1983    print_r($nfo);
1984    print '</pre>';
1985
1986    print '<b>$_SERVER:</b><pre>';
1987    print_r($_SERVER);
1988    print '</pre>';
1989
1990    print '<b>$conf:</b><pre>';
1991    print_r($cnf);
1992    print '</pre>';
1993
1994    print '<b>DOKU_BASE:</b><pre>';
1995    print DOKU_BASE;
1996    print '</pre>';
1997
1998    print '<b>abs DOKU_BASE:</b><pre>';
1999    print DOKU_URL;
2000    print '</pre>';
2001
2002    print '<b>rel DOKU_BASE:</b><pre>';
2003    print dirname($_SERVER['PHP_SELF']).'/';
2004    print '</pre>';
2005
2006    print '<b>PHP Version:</b><pre>';
2007    print phpversion();
2008    print '</pre>';
2009
2010    print '<b>locale:</b><pre>';
2011    print setlocale(LC_ALL,0);
2012    print '</pre>';
2013
2014    print '<b>encoding:</b><pre>';
2015    print $lang['encoding'];
2016    print '</pre>';
2017
2018    if($auth){
2019        print '<b>Auth backend capabilities:</b><pre>';
2020        foreach ($auth->getCapabilities() as $cando){
2021            print '   '.str_pad($cando,16) . ' => ' . (int)$auth->canDo($cando) . NL;
2022        }
2023        print '</pre>';
2024    }
2025
2026    print '<b>$_SESSION:</b><pre>';
2027    print_r($ses);
2028    print '</pre>';
2029
2030    print '<b>Environment:</b><pre>';
2031    print_r($_ENV);
2032    print '</pre>';
2033
2034    print '<b>PHP settings:</b><pre>';
2035    $inis = ini_get_all();
2036    print_r($inis);
2037    print '</pre>';
2038
2039    if (function_exists('apache_get_version')) {
2040        $apache = array();
2041        $apache['version'] = apache_get_version();
2042
2043        if (function_exists('apache_get_modules')) {
2044            $apache['modules'] = apache_get_modules();
2045        }
2046        print '<b>Apache</b><pre>';
2047        print_r($apache);
2048        print '</pre>';
2049    }
2050
2051    print '</body></html>';
2052}
2053
2054/**
2055 * Form to request a new password for an existing account
2056 *
2057 * @author Benoit Chesneau <benoit@bchesneau.info>
2058 * @author Andreas Gohr <gohr@cosmocode.de>
2059 */
2060function html_resendpwd() {
2061    global $lang;
2062    global $conf;
2063    global $INPUT;
2064
2065    $token = preg_replace('/[^a-f0-9]+/','',$INPUT->str('pwauth'));
2066
2067    if(!$conf['autopasswd'] && $token){
2068        print p_locale_xhtml('resetpwd');
2069        print '<div class="centeralign">'.NL;
2070        $form = new Doku_Form(array('id' => 'dw__resendpwd'));
2071        $form->startFieldset($lang['btn_resendpwd']);
2072        $form->addHidden('token', $token);
2073        $form->addHidden('do', 'resendpwd');
2074
2075        $form->addElement(form_makePasswordField('pass', $lang['pass'], '', 'block', array('size'=>'50')));
2076        $form->addElement(form_makePasswordField('passchk', $lang['passchk'], '', 'block', array('size'=>'50')));
2077
2078        $form->addElement(form_makeButton('submit', '', $lang['btn_resendpwd']));
2079        $form->endFieldset();
2080        html_form('resendpwd', $form);
2081        print '</div>'.NL;
2082    }else{
2083        print p_locale_xhtml('resendpwd');
2084        print '<div class="centeralign">'.NL;
2085        $form = new Doku_Form(array('id' => 'dw__resendpwd'));
2086        $form->startFieldset($lang['resendpwd']);
2087        $form->addHidden('do', 'resendpwd');
2088        $form->addHidden('save', '1');
2089        $form->addElement(form_makeTag('br'));
2090        $form->addElement(form_makeTextField('login', $INPUT->post->str('login'), $lang['user'], '', 'block'));
2091        $form->addElement(form_makeTag('br'));
2092        $form->addElement(form_makeTag('br'));
2093        $form->addElement(form_makeButton('submit', '', $lang['btn_resendpwd']));
2094        $form->endFieldset();
2095        html_form('resendpwd', $form);
2096        print '</div>'.NL;
2097    }
2098}
2099
2100/**
2101 * Return the TOC rendered to XHTML
2102 *
2103 * @author Andreas Gohr <andi@splitbrain.org>
2104 *
2105 * @param array $toc
2106 * @return string html
2107 */
2108function html_TOC($toc){
2109    if(!count($toc)) return '';
2110    global $lang;
2111    $out  = '<!-- TOC START -->'.DOKU_LF;
2112    $out .= '<div id="dw__toc" class="dw__toc">'.DOKU_LF;
2113    $out .= '<h3 class="toggle">';
2114    $out .= $lang['toc'];
2115    $out .= '</h3>'.DOKU_LF;
2116    $out .= '<div>'.DOKU_LF;
2117    $out .= html_buildlist($toc,'toc','html_list_toc','html_li_default',true);
2118    $out .= '</div>'.DOKU_LF.'</div>'.DOKU_LF;
2119    $out .= '<!-- TOC END -->'.DOKU_LF;
2120    return $out;
2121}
2122
2123/**
2124 * Callback for html_buildlist
2125 *
2126 * @param array $item
2127 * @return string html
2128 */
2129function html_list_toc($item){
2130    if(isset($item['hid'])){
2131        $link = '#'.$item['hid'];
2132    }else{
2133        $link = $item['link'];
2134    }
2135
2136    return '<a href="'.$link.'">'.hsc($item['title']).'</a>';
2137}
2138
2139/**
2140 * Helper function to build TOC items
2141 *
2142 * Returns an array ready to be added to a TOC array
2143 *
2144 * @param string $link  - where to link (if $hash set to '#' it's a local anchor)
2145 * @param string $text  - what to display in the TOC
2146 * @param int    $level - nesting level
2147 * @param string $hash  - is prepended to the given $link, set blank if you want full links
2148 * @return array the toc item
2149 */
2150function html_mktocitem($link, $text, $level, $hash='#'){
2151    return  array( 'link'  => $hash.$link,
2152            'title' => $text,
2153            'type'  => 'ul',
2154            'level' => $level);
2155}
2156
2157/**
2158 * Output a Doku_Form object.
2159 * Triggers an event with the form name: HTML_{$name}FORM_OUTPUT
2160 *
2161 * @author Tom N Harris <tnharris@whoopdedo.org>
2162 *
2163 * @param string     $name The name of the form
2164 * @param Doku_Form  $form The form
2165 */
2166function html_form($name, &$form) {
2167    // Safety check in case the caller forgets.
2168    $form->endFieldset();
2169    trigger_event('HTML_'.strtoupper($name).'FORM_OUTPUT', $form, 'html_form_output', false);
2170}
2171
2172/**
2173 * Form print function.
2174 * Just calls printForm() on the data object.
2175 *
2176 * @param Doku_Form $data The form
2177 */
2178function html_form_output($data) {
2179    $data->printForm();
2180}
2181
2182/**
2183 * Embed a flash object in HTML
2184 *
2185 * This will create the needed HTML to embed a flash movie in a cross browser
2186 * compatble way using valid XHTML
2187 *
2188 * The parameters $params, $flashvars and $atts need to be associative arrays.
2189 * No escaping needs to be done for them. The alternative content *has* to be
2190 * escaped because it is used as is. If no alternative content is given
2191 * $lang['noflash'] is used.
2192 *
2193 * @author Andreas Gohr <andi@splitbrain.org>
2194 * @link   http://latrine.dgx.cz/how-to-correctly-insert-a-flash-into-xhtml
2195 *
2196 * @param string $swf      - the SWF movie to embed
2197 * @param int $width       - width of the flash movie in pixels
2198 * @param int $height      - height of the flash movie in pixels
2199 * @param array $params    - additional parameters (<param>)
2200 * @param array $flashvars - parameters to be passed in the flashvar parameter
2201 * @param array $atts      - additional attributes for the <object> tag
2202 * @param string $alt      - alternative content (is NOT automatically escaped!)
2203 * @return string         - the XHTML markup
2204 */
2205function html_flashobject($swf,$width,$height,$params=null,$flashvars=null,$atts=null,$alt=''){
2206    global $lang;
2207
2208    $out = '';
2209
2210    // prepare the object attributes
2211    if(is_null($atts)) $atts = array();
2212    $atts['width']  = (int) $width;
2213    $atts['height'] = (int) $height;
2214    if(!$atts['width'])  $atts['width']  = 425;
2215    if(!$atts['height']) $atts['height'] = 350;
2216
2217    // add object attributes for standard compliant browsers
2218    $std = $atts;
2219    $std['type'] = 'application/x-shockwave-flash';
2220    $std['data'] = $swf;
2221
2222    // add object attributes for IE
2223    $ie  = $atts;
2224    $ie['classid'] = 'clsid:D27CDB6E-AE6D-11cf-96B8-444553540000';
2225
2226    // open object (with conditional comments)
2227    $out .= '<!--[if !IE]> -->'.NL;
2228    $out .= '<object '.buildAttributes($std).'>'.NL;
2229    $out .= '<!-- <![endif]-->'.NL;
2230    $out .= '<!--[if IE]>'.NL;
2231    $out .= '<object '.buildAttributes($ie).'>'.NL;
2232    $out .= '    <param name="movie" value="'.hsc($swf).'" />'.NL;
2233    $out .= '<!--><!-- -->'.NL;
2234
2235    // print params
2236    if(is_array($params)) foreach($params as $key => $val){
2237        $out .= '  <param name="'.hsc($key).'" value="'.hsc($val).'" />'.NL;
2238    }
2239
2240    // add flashvars
2241    if(is_array($flashvars)){
2242        $out .= '  <param name="FlashVars" value="'.buildURLparams($flashvars).'" />'.NL;
2243    }
2244
2245    // alternative content
2246    if($alt){
2247        $out .= $alt.NL;
2248    }else{
2249        $out .= $lang['noflash'].NL;
2250    }
2251
2252    // finish
2253    $out .= '</object>'.NL;
2254    $out .= '<!-- <![endif]-->'.NL;
2255
2256    return $out;
2257}
2258
2259/**
2260 * Prints HTML code for the given tab structure
2261 *
2262 * @param array  $tabs        tab structure
2263 * @param string $current_tab the current tab id
2264 */
2265function html_tabs($tabs, $current_tab = null) {
2266    echo '<ul class="tabs">'.NL;
2267
2268    foreach($tabs as $id => $tab) {
2269        html_tab($tab['href'], $tab['caption'], $id === $current_tab);
2270    }
2271
2272    echo '</ul>'.NL;
2273}
2274
2275/**
2276 * Prints a single tab
2277 *
2278 * @author Kate Arzamastseva <pshns@ukr.net>
2279 * @author Adrian Lang <mail@adrianlang.de>
2280 *
2281 * @param string $href - tab href
2282 * @param string $caption - tab caption
2283 * @param boolean $selected - is tab selected
2284 */
2285
2286function html_tab($href, $caption, $selected=false) {
2287    $tab = '<li>';
2288    if ($selected) {
2289        $tab .= '<strong>';
2290    } else {
2291        $tab .= '<a href="' . hsc($href) . '">';
2292    }
2293    $tab .= hsc($caption)
2294         .  '</' . ($selected ? 'strong' : 'a') . '>'
2295         .  '</li>'.NL;
2296    echo $tab;
2297}
2298
2299/**
2300 * Display size change
2301 *
2302 * @param int $sizechange - size of change in Bytes
2303 * @param Doku_Form $form - form to add elements to
2304 */
2305
2306function html_sizechange($sizechange, Doku_Form $form) {
2307    if(isset($sizechange)) {
2308        $class = 'sizechange';
2309        $value = filesize_h(abs($sizechange));
2310        if($sizechange > 0) {
2311            $class .= ' positive';
2312            $value = '+' . $value;
2313        } elseif($sizechange < 0) {
2314            $class .= ' negative';
2315            $value = '-' . $value;
2316        } else {
2317            $value = '±' . $value;
2318        }
2319        $form->addElement(form_makeOpenTag('span', array('class' => $class)));
2320        $form->addElement($value);
2321        $form->addElement(form_makeCloseTag('span'));
2322    }
2323}
2324