xref: /dokuwiki/inc/html.php (revision 06917fcef4c96db29b53fef1de68c2a61a67cd65)
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(?<secid>\d+) (?<target>[A-Z_]+) (?:"(?<name>[^"]*)" )?(?:"(?<hid>[^"]*)" )?\[(?<range>\d+-\d*)\] -->#';
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'  => $matches['secid'],
116        'target' => strtolower($matches['target']),
117        'range'  => $matches['range']);
118
119    if (!empty($matches['hid'])) {
120        $data['hid'] = strtolower($matches['hid']);
121    }
122
123    if (!empty($matches['name'])) {
124        $data['name'] = $matches['name'];
125    }
126
127    return trigger_event('HTML_SECEDIT_BUTTON', $data,
128                         'html_secedit_get_button');
129}
130
131/**
132 * prints a section editing button
133 * used as default action form HTML_SECEDIT_BUTTON
134 *
135 * @author Adrian Lang <lang@cosmocode.de>
136 *
137 * @param array $data name, section id and target
138 * @return string html
139 */
140function html_secedit_get_button($data) {
141    global $ID;
142    global $INFO;
143
144    if (!isset($data['name']) || $data['name'] === '') return '';
145
146    $name = $data['name'];
147    unset($data['name']);
148
149    $secid = $data['secid'];
150    unset($data['secid']);
151
152    return "<div class='secedit editbutton_" . $data['target'] .
153                       " editbutton_" . $secid . "'>" .
154           html_btn('secedit', $ID, '',
155                    array_merge(array('do'  => 'edit',
156                                      'rev' => $INFO['lastmod'],
157                                      'summary' => '['.$name.'] '), $data),
158                    'post', $name) . '</div>';
159}
160
161/**
162 * Just the back to top button (in its own form)
163 *
164 * @author Andreas Gohr <andi@splitbrain.org>
165 *
166 * @return string html
167 */
168function html_topbtn(){
169    global $lang;
170
171    $ret  = '<a class="nolink" href="#dokuwiki__top"><button class="button" onclick="window.scrollTo(0, 0)" title="'.$lang['btn_top'].'">'.$lang['btn_top'].'</button></a>';
172
173    return $ret;
174}
175
176/**
177 * Displays a button (using its own form)
178 * If tooltip exists, the access key tooltip is replaced.
179 *
180 * @author Andreas Gohr <andi@splitbrain.org>
181 *
182 * @param string         $name
183 * @param string         $id
184 * @param string         $akey   access key
185 * @param string[] $params key-value pairs added as hidden inputs
186 * @param string         $method
187 * @param string         $tooltip
188 * @param bool|string    $label  label text, false: lookup btn_$name in localization
189 * @return string
190 */
191function html_btn($name, $id, $akey, $params, $method='get', $tooltip='', $label=false){
192    global $conf;
193    global $lang;
194
195    if (!$label)
196        $label = $lang['btn_'.$name];
197
198    $ret = '';
199
200    //filter id (without urlencoding)
201    $id = idfilter($id,false);
202
203    //make nice URLs even for buttons
204    if($conf['userewrite'] == 2){
205        $script = DOKU_BASE.DOKU_SCRIPT.'/'.$id;
206    }elseif($conf['userewrite']){
207        $script = DOKU_BASE.$id;
208    }else{
209        $script = DOKU_BASE.DOKU_SCRIPT;
210        $params['id'] = $id;
211    }
212
213    $ret .= '<form class="button btn_'.$name.'" method="'.$method.'" action="'.$script.'"><div class="no">';
214
215    if(is_array($params)){
216        foreach($params as $key => $val) {
217            $ret .= '<input type="hidden" name="'.$key.'" ';
218            $ret .= 'value="'.hsc($val).'" />';
219        }
220    }
221
222    if ($tooltip!='') {
223        $tip = hsc($tooltip);
224    }else{
225        $tip = hsc($label);
226    }
227
228    $ret .= '<button type="submit" ';
229    if($akey){
230        $tip .= ' ['.strtoupper($akey).']';
231        $ret .= 'accesskey="'.$akey.'" ';
232    }
233    $ret .= 'title="'.$tip.'">';
234    $ret .= hsc($label);
235    $ret .= '</button>';
236    $ret .= '</div></form>';
237
238    return $ret;
239}
240/**
241 * show a revision warning
242 *
243 * @author Szymon Olewniczak <dokuwiki@imz.re>
244 */
245function html_showrev() {
246    print p_locale_xhtml('showrev');
247}
248
249/**
250 * Show a wiki page
251 *
252 * @author Andreas Gohr <andi@splitbrain.org>
253 *
254 * @param null|string $txt wiki text or null for showing $ID
255 */
256function html_show($txt=null){
257    global $ID;
258    global $REV;
259    global $HIGH;
260    global $INFO;
261    global $DATE_AT;
262    //disable section editing for old revisions or in preview
263    if($txt || $REV){
264        $secedit = false;
265    }else{
266        $secedit = true;
267    }
268
269    if (!is_null($txt)){
270        //PreviewHeader
271        echo '<br id="scroll__here" />';
272        echo p_locale_xhtml('preview');
273        echo '<div class="preview"><div class="pad">';
274        $html = html_secedit(p_render('xhtml',p_get_instructions($txt),$info),$secedit);
275        if($INFO['prependTOC']) $html = tpl_toc(true).$html;
276        echo $html;
277        echo '<div class="clearer"></div>';
278        echo '</div></div>';
279
280    }else{
281        if ($REV||$DATE_AT){
282            $data = array('rev' => &$REV, 'date_at' => &$DATE_AT);
283            trigger_event('HTML_SHOWREV_OUTPUT', $data, 'html_showrev');
284        }
285        $html = p_wiki_xhtml($ID,$REV,true,$DATE_AT);
286        $html = html_secedit($html,$secedit);
287        if($INFO['prependTOC']) $html = tpl_toc(true).$html;
288        $html = html_hilight($html,$HIGH);
289        echo $html;
290    }
291}
292
293/**
294 * ask the user about how to handle an exisiting draft
295 *
296 * @author Andreas Gohr <andi@splitbrain.org>
297 */
298function html_draft(){
299    global $INFO;
300    global $ID;
301    global $lang;
302    $draft = unserialize(io_readFile($INFO['draft'],false));
303    $text  = cleanText(con($draft['prefix'],$draft['text'],$draft['suffix'],true));
304
305    print p_locale_xhtml('draft');
306    $form = new Doku_Form(array('id' => 'dw__editform'));
307    $form->addHidden('id', $ID);
308    $form->addHidden('date', $draft['date']);
309    $form->addElement(form_makeWikiText($text, array('readonly'=>'readonly')));
310    $form->addElement(form_makeOpenTag('div', array('id'=>'draft__status')));
311    $form->addElement($lang['draftdate'].' '. dformat(filemtime($INFO['draft'])));
312    $form->addElement(form_makeCloseTag('div'));
313    $form->addElement(form_makeButton('submit', 'recover', $lang['btn_recover'], array('tabindex'=>'1')));
314    $form->addElement(form_makeButton('submit', 'draftdel', $lang['btn_draftdel'], array('tabindex'=>'2')));
315    $form->addElement(form_makeButton('submit', 'show', $lang['btn_cancel'], array('tabindex'=>'3')));
316    html_form('draft', $form);
317}
318
319/**
320 * Highlights searchqueries in HTML code
321 *
322 * @author Andreas Gohr <andi@splitbrain.org>
323 * @author Harry Fuecks <hfuecks@gmail.com>
324 *
325 * @param string $html
326 * @param array|string $phrases
327 * @return string html
328 */
329function html_hilight($html,$phrases){
330    $phrases = (array) $phrases;
331    $phrases = array_map('preg_quote_cb', $phrases);
332    $phrases = array_map('ft_snippet_re_preprocess', $phrases);
333    $phrases = array_filter($phrases);
334    $regex = join('|',$phrases);
335
336    if ($regex === '') return $html;
337    if (!utf8_check($regex)) return $html;
338    $html = @preg_replace_callback("/((<[^>]*)|$regex)/ui",'html_hilight_callback',$html);
339    return $html;
340}
341
342/**
343 * Callback used by html_hilight()
344 *
345 * @author Harry Fuecks <hfuecks@gmail.com>
346 *
347 * @param array $m matches
348 * @return string html
349 */
350function html_hilight_callback($m) {
351    $hlight = unslash($m[0]);
352    if ( !isset($m[2])) {
353        $hlight = '<span class="search_hit">'.$hlight.'</span>';
354    }
355    return $hlight;
356}
357
358/**
359 * Run a search and display the result
360 *
361 * @author Andreas Gohr <andi@splitbrain.org>
362 */
363function html_search(){
364    global $QUERY, $ID;
365    global $lang;
366
367    $intro = p_locale_xhtml('searchpage');
368    // allow use of placeholder in search intro
369    $pagecreateinfo = (auth_quickaclcheck($ID) >= AUTH_CREATE) ? $lang['searchcreatepage'] : '';
370    $intro = str_replace(
371        array('@QUERY@', '@SEARCH@', '@CREATEPAGEINFO@'),
372        array(hsc(rawurlencode($QUERY)), hsc($QUERY), $pagecreateinfo),
373        $intro
374    );
375    echo $intro;
376
377    //do quick pagesearch
378    $data = ft_pageLookup($QUERY,true,useHeading('navigation'));
379    if(count($data)){
380        print '<div class="search_quickresult">';
381        print '<h3>'.$lang['quickhits'].':</h3>';
382        print '<ul class="search_quickhits">';
383        foreach($data as $id => $title){
384            print '<li> ';
385            if (useHeading('navigation')) {
386                $name = $title;
387            }else{
388                $ns = getNS($id);
389                if($ns){
390                    $name = shorten(noNS($id), ' ('.$ns.')',30);
391                }else{
392                    $name = $id;
393                }
394            }
395            print html_wikilink(':'.$id,$name);
396            print '</li> ';
397        }
398        print '</ul> ';
399        //clear float (see http://www.complexspiral.com/publications/containing-floats/)
400        print '<div class="clearer"></div>';
401        print '</div>';
402    }
403
404    //do fulltext search
405    $regex = array();
406    $data = ft_pageSearch($QUERY,$regex);
407    if(count($data)){
408        print '<dl class="search_results">';
409        $num = 1;
410        foreach($data as $id => $cnt){
411            print '<dt>';
412            print html_wikilink(':'.$id,useHeading('navigation')?null:$id,$regex);
413            if($cnt !== 0){
414                print ': '.$cnt.' '.$lang['hits'].'';
415            }
416            print '</dt>';
417            if($cnt !== 0){
418                if($num < FT_SNIPPET_NUMBER){ // create snippets for the first number of matches only
419                    print '<dd>'.ft_snippet($id,$regex).'</dd>';
420                }
421                $num++;
422            }
423        }
424        print '</dl>';
425    }else{
426        print '<div class="nothing">'.$lang['nothingfound'].'</div>';
427    }
428}
429
430/**
431 * Display error on locked pages
432 *
433 * @author Andreas Gohr <andi@splitbrain.org>
434 */
435function html_locked(){
436    global $ID;
437    global $conf;
438    global $lang;
439    global $INFO;
440
441    $locktime = filemtime(wikiLockFN($ID));
442    $expire = dformat($locktime + $conf['locktime']);
443    $min    = round(($conf['locktime'] - (time() - $locktime) )/60);
444
445    print p_locale_xhtml('locked');
446    print '<ul>';
447    print '<li><div class="li"><strong>'.$lang['lockedby'].'</strong> '.editorinfo($INFO['locked']).'</div></li>';
448    print '<li><div class="li"><strong>'.$lang['lockexpire'].'</strong> '.$expire.' ('.$min.' min)</div></li>';
449    print '</ul>';
450}
451
452/**
453 * list old revisions
454 *
455 * @author Andreas Gohr <andi@splitbrain.org>
456 * @author Ben Coburn <btcoburn@silicodon.net>
457 * @author Kate Arzamastseva <pshns@ukr.net>
458 *
459 * @param int $first skip the first n changelog lines
460 * @param bool|string $media_id id of media, or false for current page
461 */
462function html_revisions($first=0, $media_id = false){
463    global $ID;
464    global $INFO;
465    global $conf;
466    global $lang;
467    $id = $ID;
468    if ($media_id) {
469        $id = $media_id;
470        $changelog = new MediaChangeLog($id);
471    } else {
472        $changelog = new PageChangeLog($id);
473    }
474
475    /* we need to get one additional log entry to be able to
476     * decide if this is the last page or is there another one.
477     * see html_recent()
478     */
479
480    $revisions = $changelog->getRevisions($first, $conf['recent']+1);
481
482    if(count($revisions)==0 && $first!=0){
483        $first=0;
484        $revisions = $changelog->getRevisions($first, $conf['recent']+1);
485    }
486    $hasNext = false;
487    if (count($revisions)>$conf['recent']) {
488        $hasNext = true;
489        array_pop($revisions); // remove extra log entry
490    }
491
492    if (!$media_id) print p_locale_xhtml('revisions');
493
494    $params = array('id' => 'page__revisions', 'class' => 'changes');
495    if($media_id) {
496        $params['action'] = media_managerURL(array('image' => $media_id), '&');
497    }
498
499    if(!$media_id) {
500        $exists = $INFO['exists'];
501        $display_name = useHeading('navigation') ? hsc(p_get_first_heading($id)) : $id;
502        if(!$display_name) {
503            $display_name = $id;
504        }
505    } else {
506        $exists = file_exists(mediaFN($id));
507        $display_name = $id;
508    }
509
510    $form = new Doku_Form($params);
511    $form->addElement(form_makeOpenTag('ul'));
512
513    if($exists && $first == 0) {
514        $minor = false;
515        if($media_id) {
516            $date = dformat(@filemtime(mediaFN($id)));
517            $href = media_managerURL(array('image' => $id, 'tab_details' => 'view'), '&');
518
519            $changelog->setChunkSize(1024);
520            $revinfo = $changelog->getRevisionInfo(@filemtime(fullpath(mediaFN($id))));
521
522            $summary = $revinfo['sum'];
523            if($revinfo['user']) {
524                $editor = $revinfo['user'];
525            } else {
526                $editor = $revinfo['ip'];
527            }
528            $sizechange = $revinfo['sizechange'];
529        } else {
530            $date = dformat($INFO['lastmod']);
531            if(isset($INFO['meta']) && isset($INFO['meta']['last_change'])) {
532                if($INFO['meta']['last_change']['type'] === DOKU_CHANGE_TYPE_MINOR_EDIT) {
533                    $minor = true;
534                }
535                if(isset($INFO['meta']['last_change']['sizechange'])) {
536                    $sizechange = $INFO['meta']['last_change']['sizechange'];
537                } else {
538                    $sizechange = null;
539                }
540            }
541            $pagelog = new PageChangeLog($ID);
542            $latestrev = $pagelog->getRevisions(-1, 1);
543            $latestrev = array_pop($latestrev);
544            $href = wl($id,"rev=$latestrev",false,'&');
545            $summary = $INFO['sum'];
546            $editor = $INFO['editor'];
547        }
548
549        $form->addElement(form_makeOpenTag('li', array('class' => ($minor ? 'minor' : ''))));
550        $form->addElement(form_makeOpenTag('div', array('class' => 'li')));
551        $form->addElement(form_makeTag('input', array(
552                        'type' => 'checkbox',
553                        'name' => 'rev2[]',
554                        'value' => 'current')));
555
556        $form->addElement(form_makeOpenTag('span', array('class' => 'date')));
557        $form->addElement($date);
558        $form->addElement(form_makeCloseTag('span'));
559
560        $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
561
562        $form->addElement(form_makeOpenTag('a', array(
563                        'class' => 'wikilink1',
564                        'href'  => $href)));
565        $form->addElement($display_name);
566        $form->addElement(form_makeCloseTag('a'));
567
568        if ($media_id) $form->addElement(form_makeOpenTag('div'));
569
570        if($summary) {
571            $form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
572            if(!$media_id) $form->addElement(' – ');
573            $form->addElement('<bdi>' . hsc($summary) . '</bdi>');
574            $form->addElement(form_makeCloseTag('span'));
575        }
576
577        $form->addElement(form_makeOpenTag('span', array('class' => 'user')));
578        $form->addElement((empty($editor))?('('.$lang['external_edit'].')'):'<bdi>'.editorinfo($editor).'</bdi>');
579        $form->addElement(form_makeCloseTag('span'));
580
581        html_sizechange($sizechange, $form);
582
583        $form->addElement('('.$lang['current'].')');
584
585        if ($media_id) $form->addElement(form_makeCloseTag('div'));
586
587        $form->addElement(form_makeCloseTag('div'));
588        $form->addElement(form_makeCloseTag('li'));
589    }
590
591    foreach($revisions as $rev) {
592        $date = dformat($rev);
593        $info = $changelog->getRevisionInfo($rev);
594        if($media_id) {
595            $exists = file_exists(mediaFN($id, $rev));
596        } else {
597            $exists = page_exists($id, $rev);
598        }
599
600        $class = '';
601        if($info['type'] === DOKU_CHANGE_TYPE_MINOR_EDIT) {
602            $class = 'minor';
603        }
604        $form->addElement(form_makeOpenTag('li', array('class' => $class)));
605        $form->addElement(form_makeOpenTag('div', array('class' => 'li')));
606        if($exists){
607            $form->addElement(form_makeTag('input', array(
608                            'type' => 'checkbox',
609                            'name' => 'rev2[]',
610                            'value' => $rev)));
611        }else{
612            $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
613        }
614
615        $form->addElement(form_makeOpenTag('span', array('class' => 'date')));
616        $form->addElement($date);
617        $form->addElement(form_makeCloseTag('span'));
618
619        if($exists){
620            if (!$media_id) {
621                $href = wl($id,"rev=$rev,do=diff", false, '&');
622            } else {
623                $href = media_managerURL(array('image' => $id, 'rev' => $rev, 'mediado' => 'diff'), '&');
624            }
625            $form->addElement(form_makeOpenTag('a', array(
626                            'class' => 'diff_link',
627                            'href' => $href)));
628            $form->addElement(form_makeTag('img', array(
629                            'src'    => DOKU_BASE.'lib/images/diff.png',
630                            'width'  => 15,
631                            'height' => 11,
632                            'title'  => $lang['diff'],
633                            'alt'    => $lang['diff'])));
634            $form->addElement(form_makeCloseTag('a'));
635
636            if (!$media_id) {
637                $href = wl($id,"rev=$rev",false,'&');
638            } else {
639                $href = media_managerURL(array('image' => $id, 'tab_details' => 'view', 'rev' => $rev), '&');
640            }
641            $form->addElement(form_makeOpenTag('a', array(
642                            'class' => 'wikilink1',
643                            'href' => $href)));
644            $form->addElement($display_name);
645            $form->addElement(form_makeCloseTag('a'));
646        }else{
647            $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
648            $form->addElement($display_name);
649        }
650
651        if ($media_id) $form->addElement(form_makeOpenTag('div'));
652
653        if ($info['sum']) {
654            $form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
655            if(!$media_id) $form->addElement(' – ');
656            $form->addElement('<bdi>'.hsc($info['sum']).'</bdi>');
657            $form->addElement(form_makeCloseTag('span'));
658        }
659
660        $form->addElement(form_makeOpenTag('span', array('class' => 'user')));
661        if($info['user']){
662            $form->addElement('<bdi>'.editorinfo($info['user']).'</bdi>');
663            if(auth_ismanager()){
664                $form->addElement(' <bdo dir="ltr">('.$info['ip'].')</bdo>');
665            }
666        }else{
667            $form->addElement('<bdo dir="ltr">'.$info['ip'].'</bdo>');
668        }
669        $form->addElement(form_makeCloseTag('span'));
670
671        html_sizechange($info['sizechange'], $form);
672
673        if ($media_id) $form->addElement(form_makeCloseTag('div'));
674
675        $form->addElement(form_makeCloseTag('div'));
676        $form->addElement(form_makeCloseTag('li'));
677    }
678    $form->addElement(form_makeCloseTag('ul'));
679    if (!$media_id) {
680        $form->addElement(form_makeButton('submit', 'diff', $lang['diff2']));
681    } else {
682        $form->addHidden('mediado', 'diff');
683        $form->addElement(form_makeButton('submit', '', $lang['diff2']));
684    }
685    html_form('revisions', $form);
686
687    print '<div class="pagenav">';
688    $last = $first + $conf['recent'];
689    if ($first > 0) {
690        $first -= $conf['recent'];
691        if ($first < 0) $first = 0;
692        print '<div class="pagenav-prev">';
693        if ($media_id) {
694            print html_btn('newer',$media_id,"p",media_managerURL(array('first' => $first), '&amp;', false, true));
695        } else {
696            print html_btn('newer',$id,"p",array('do' => 'revisions', 'first' => $first));
697        }
698        print '</div>';
699    }
700    if ($hasNext) {
701        print '<div class="pagenav-next">';
702        if ($media_id) {
703            print html_btn('older',$media_id,"n",media_managerURL(array('first' => $last), '&amp;', false, true));
704        } else {
705            print html_btn('older',$id,"n",array('do' => 'revisions', 'first' => $last));
706        }
707        print '</div>';
708    }
709    print '</div>';
710
711}
712
713/**
714 * display recent changes
715 *
716 * @author Andreas Gohr <andi@splitbrain.org>
717 * @author Matthias Grimm <matthiasgrimm@users.sourceforge.net>
718 * @author Ben Coburn <btcoburn@silicodon.net>
719 * @author Kate Arzamastseva <pshns@ukr.net>
720 *
721 * @param int $first
722 * @param string $show_changes
723 */
724function html_recent($first = 0, $show_changes = 'both') {
725    global $conf;
726    global $lang;
727    global $ID;
728    /* we need to get one additionally log entry to be able to
729     * decide if this is the last page or is there another one.
730     * This is the cheapest solution to get this information.
731     */
732    $flags = 0;
733    if($show_changes == 'mediafiles' && $conf['mediarevisions']) {
734        $flags = RECENTS_MEDIA_CHANGES;
735    } elseif($show_changes == 'pages') {
736        $flags = 0;
737    } elseif($conf['mediarevisions']) {
738        $show_changes = 'both';
739        $flags = RECENTS_MEDIA_PAGES_MIXED;
740    }
741
742    $recents = getRecents($first, $conf['recent'] + 1, getNS($ID), $flags);
743    if(count($recents) == 0 && $first != 0) {
744        $first = 0;
745        $recents = getRecents($first, $conf['recent'] + 1, getNS($ID), $flags);
746    }
747    $hasNext = false;
748    if(count($recents) > $conf['recent']) {
749        $hasNext = true;
750        array_pop($recents); // remove extra log entry
751    }
752
753    print p_locale_xhtml('recent');
754
755    if(getNS($ID) != '') {
756        print '<div class="level1"><p>' . sprintf($lang['recent_global'], getNS($ID), wl('', 'do=recent')) . '</p></div>';
757    }
758
759    $form = new Doku_Form(array('id' => 'dw__recent', 'method' => 'GET', 'class' => 'changes'));
760    $form->addHidden('sectok', null);
761    $form->addHidden('do', 'recent');
762    $form->addHidden('id', $ID);
763
764    if($conf['mediarevisions']) {
765        $form->addElement('<div class="changeType">');
766        $form->addElement(form_makeListboxField(
767                    'show_changes',
768                    array(
769                        'pages'      => $lang['pages_changes'],
770                        'mediafiles' => $lang['media_changes'],
771                        'both'       => $lang['both_changes']
772                    ),
773                    $show_changes,
774                    $lang['changes_type'],
775                    '', '',
776                    array('class' => 'quickselect')));
777
778        $form->addElement(form_makeButton('submit', 'recent', $lang['btn_apply']));
779        $form->addElement('</div>');
780    }
781
782    $form->addElement(form_makeOpenTag('ul'));
783
784    foreach($recents as $recent) {
785        $date = dformat($recent['date']);
786
787        $class = '';
788        if($recent['type'] === DOKU_CHANGE_TYPE_MINOR_EDIT) {
789            $class = 'minor';
790        }
791        $form->addElement(form_makeOpenTag('li', array('class' => $class)));
792        $form->addElement(form_makeOpenTag('div', array('class' => 'li')));
793
794        if(!empty($recent['media'])) {
795            $form->addElement(media_printicon($recent['id']));
796        } else {
797            $icon = DOKU_BASE . 'lib/images/fileicons/file.png';
798            $form->addElement('<img src="' . $icon . '" alt="' . $recent['id'] . '" class="icon" />');
799        }
800
801        $form->addElement(form_makeOpenTag('span', array('class' => 'date')));
802        $form->addElement($date);
803        $form->addElement(form_makeCloseTag('span'));
804
805        $diff = false;
806        $href = '';
807
808        if(!empty($recent['media'])) {
809            $changelog = new MediaChangeLog($recent['id']);
810            $revs = $changelog->getRevisions(0, 1);
811            $diff = (count($revs) && file_exists(mediaFN($recent['id'])));
812            if($diff) {
813                $href = media_managerURL(array(
814                                            'tab_details' => 'history',
815                                            'mediado' => 'diff',
816                                            'image' => $recent['id'],
817                                            'ns' => getNS($recent['id'])
818                                        ), '&');
819            }
820        } else {
821            $href = wl($recent['id'], "do=diff", false, '&');
822        }
823
824        if(!empty($recent['media']) && !$diff) {
825            $form->addElement('<img src="' . DOKU_BASE . 'lib/images/blank.gif" width="15" height="11" alt="" />');
826        } else {
827            $form->addElement(form_makeOpenTag('a', array('class' => 'diff_link', 'href' => $href)));
828            $form->addElement(form_makeTag('img', array(
829                            'src'    => DOKU_BASE . 'lib/images/diff.png',
830                            'width'  => 15,
831                            'height' => 11,
832                            'title'  => $lang['diff'],
833                            'alt'    => $lang['diff']
834                        )));
835            $form->addElement(form_makeCloseTag('a'));
836        }
837
838        if(!empty($recent['media'])) {
839            $href = media_managerURL(array('tab_details' => 'history', 'image' => $recent['id'], 'ns' => getNS($recent['id'])), '&');
840        } else {
841            $href = wl($recent['id'], "do=revisions", false, '&');
842        }
843        $form->addElement(form_makeOpenTag('a', array(
844                        'class' => 'revisions_link',
845                        'href'  => $href)));
846        $form->addElement(form_makeTag('img', array(
847                        'src'    => DOKU_BASE . 'lib/images/history.png',
848                        'width'  => 12,
849                        'height' => 14,
850                        'title'  => $lang['btn_revs'],
851                        'alt'    => $lang['btn_revs']
852                    )));
853        $form->addElement(form_makeCloseTag('a'));
854
855        if(!empty($recent['media'])) {
856            $href = media_managerURL(array('tab_details' => 'view', 'image' => $recent['id'], 'ns' => getNS($recent['id'])), '&');
857            $class = file_exists(mediaFN($recent['id'])) ? 'wikilink1' : 'wikilink2';
858            $form->addElement(form_makeOpenTag('a', array(
859                        'class' => $class,
860                        'href'  => $href)));
861            $form->addElement($recent['id']);
862            $form->addElement(form_makeCloseTag('a'));
863        } else {
864            $form->addElement(html_wikilink(':' . $recent['id'], useHeading('navigation') ? null : $recent['id']));
865        }
866        $form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
867        $form->addElement(' – ' . hsc($recent['sum']));
868        $form->addElement(form_makeCloseTag('span'));
869
870        $form->addElement(form_makeOpenTag('span', array('class' => 'user')));
871        if($recent['user']) {
872            $form->addElement('<bdi>' . editorinfo($recent['user']) . '</bdi>');
873            if(auth_ismanager()) {
874                $form->addElement(' <bdo dir="ltr">(' . $recent['ip'] . ')</bdo>');
875            }
876        } else {
877            $form->addElement('<bdo dir="ltr">' . $recent['ip'] . '</bdo>');
878        }
879        $form->addElement(form_makeCloseTag('span'));
880
881        html_sizechange($recent['sizechange'], $form);
882
883        $form->addElement(form_makeCloseTag('div'));
884        $form->addElement(form_makeCloseTag('li'));
885    }
886    $form->addElement(form_makeCloseTag('ul'));
887
888    $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav')));
889    $last = $first + $conf['recent'];
890    if($first > 0) {
891        $first -= $conf['recent'];
892        if($first < 0) $first = 0;
893        $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav-prev')));
894        $form->addElement(form_makeOpenTag('button', array(
895                        'type'      => 'submit',
896                        'name'      => 'first[' . $first . ']',
897                        'accesskey' => 'n',
898                        'title'     => $lang['btn_newer'] . ' [N]',
899                        'class'     => 'button show'
900                    )));
901        $form->addElement($lang['btn_newer']);
902        $form->addElement(form_makeCloseTag('button'));
903        $form->addElement(form_makeCloseTag('div'));
904    }
905    if($hasNext) {
906        $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav-next')));
907        $form->addElement(form_makeOpenTag('button', array(
908                        'type'      => 'submit',
909                        'name'      => 'first[' . $last . ']',
910                        'accesskey' => 'p',
911                        'title'     => $lang['btn_older'] . ' [P]',
912                        'class'     => 'button show'
913                    )));
914        $form->addElement($lang['btn_older']);
915        $form->addElement(form_makeCloseTag('button'));
916        $form->addElement(form_makeCloseTag('div'));
917    }
918    $form->addElement(form_makeCloseTag('div'));
919    html_form('recent', $form);
920}
921
922/**
923 * Display page index
924 *
925 * @author Andreas Gohr <andi@splitbrain.org>
926 *
927 * @param string $ns
928 */
929function html_index($ns){
930    global $conf;
931    global $ID;
932    $ns  = cleanID($ns);
933    if(empty($ns)){
934        $ns = getNS($ID);
935        if($ns === false) $ns ='';
936    }
937    $ns  = utf8_encodeFN(str_replace(':','/',$ns));
938
939    echo p_locale_xhtml('index');
940    echo '<div id="index__tree">';
941
942    $data = array();
943    search($data,$conf['datadir'],'search_index',array('ns' => $ns));
944    echo html_buildlist($data,'idx','html_list_index','html_li_index');
945
946    echo '</div>';
947}
948
949/**
950 * Index item formatter
951 *
952 * User function for html_buildlist()
953 *
954 * @author Andreas Gohr <andi@splitbrain.org>
955 *
956 * @param array $item
957 * @return string
958 */
959function html_list_index($item){
960    global $ID, $conf;
961
962    // prevent searchbots needlessly following links
963    $nofollow = ($ID != $conf['start'] || $conf['sitemap']) ? ' rel="nofollow"' : '';
964
965    $ret = '';
966    $base = ':'.$item['id'];
967    $base = substr($base,strrpos($base,':')+1);
968    if($item['type']=='d'){
969        // FS#2766, no need for search bots to follow namespace links in the index
970        $ret .= '<a href="'.wl($ID,'idx='.rawurlencode($item['id'])).'" title="' . $item['id'] . '" class="idx_dir"' . $nofollow . '><strong>';
971        $ret .= $base;
972        $ret .= '</strong></a>';
973    }else{
974        // default is noNSorNS($id), but we want noNS($id) when useheading is off FS#2605
975        $ret .= html_wikilink(':'.$item['id'], useHeading('navigation') ? null : noNS($item['id']));
976    }
977    return $ret;
978}
979
980/**
981 * Index List item
982 *
983 * This user function is used in html_buildlist to build the
984 * <li> tags for namespaces when displaying the page index
985 * it gives different classes to opened or closed "folders"
986 *
987 * @author Andreas Gohr <andi@splitbrain.org>
988 *
989 * @param array $item
990 * @return string html
991 */
992function html_li_index($item){
993    global $INFO;
994    global $ACT;
995
996    $class = '';
997    $id = '';
998
999    if($item['type'] == "f"){
1000        // scroll to the current item
1001        if($item['id'] == $INFO['id'] && $ACT == 'index') {
1002            $id = ' id="scroll__here"';
1003            $class = ' bounce';
1004        }
1005        return '<li class="level'.$item['level'].$class.'" '.$id.'>';
1006    }elseif($item['open']){
1007        return '<li class="open">';
1008    }else{
1009        return '<li class="closed">';
1010    }
1011}
1012
1013/**
1014 * Default List item
1015 *
1016 * @author Andreas Gohr <andi@splitbrain.org>
1017 *
1018 * @param array $item
1019 * @return string html
1020 */
1021function html_li_default($item){
1022    return '<li class="level'.$item['level'].'">';
1023}
1024
1025/**
1026 * Build an unordered list
1027 *
1028 * Build an unordered list from the given $data array
1029 * Each item in the array has to have a 'level' property
1030 * the item itself gets printed by the given $func user
1031 * function. The second and optional function is used to
1032 * print the <li> tag. Both user function need to accept
1033 * a single item.
1034 *
1035 * Both user functions can be given as array to point to
1036 * a member of an object.
1037 *
1038 * @author Andreas Gohr <andi@splitbrain.org>
1039 *
1040 * @param array    $data  array with item arrays
1041 * @param string   $class class of ul wrapper
1042 * @param callable $func  callback to print an list item
1043 * @param callable $lifunc callback to the opening li tag
1044 * @param bool     $forcewrapper Trigger building a wrapper ul if the first level is
1045 *                               0 (we have a root object) or 1 (just the root content)
1046 * @return string html of an unordered list
1047 */
1048function html_buildlist($data,$class,$func,$lifunc='html_li_default',$forcewrapper=false){
1049    if (count($data) === 0) {
1050        return '';
1051    }
1052
1053    $firstElement = reset($data);
1054    $start_level = $firstElement['level'];
1055    $level = $start_level;
1056    $ret   = '';
1057    $open  = 0;
1058
1059    foreach ($data as $item){
1060
1061        if( $item['level'] > $level ){
1062            //open new list
1063            for($i=0; $i<($item['level'] - $level); $i++){
1064                if ($i) $ret .= "<li class=\"clear\">";
1065                $ret .= "\n<ul class=\"$class\">\n";
1066                $open++;
1067            }
1068            $level = $item['level'];
1069
1070        }elseif( $item['level'] < $level ){
1071            //close last item
1072            $ret .= "</li>\n";
1073            while( $level > $item['level'] && $open > 0 ){
1074                //close higher lists
1075                $ret .= "</ul>\n</li>\n";
1076                $level--;
1077                $open--;
1078            }
1079        } elseif ($ret !== '') {
1080            //close previous item
1081            $ret .= "</li>\n";
1082        }
1083
1084        //print item
1085        $ret .= call_user_func($lifunc,$item);
1086        $ret .= '<div class="li">';
1087
1088        $ret .= call_user_func($func,$item);
1089        $ret .= '</div>';
1090    }
1091
1092    //close remaining items and lists
1093    $ret .= "</li>\n";
1094    while($open-- > 0) {
1095        $ret .= "</ul></li>\n";
1096    }
1097
1098    if ($forcewrapper || $start_level < 2) {
1099        // Trigger building a wrapper ul if the first level is
1100        // 0 (we have a root object) or 1 (just the root content)
1101        $ret = "\n<ul class=\"$class\">\n".$ret."</ul>\n";
1102    }
1103
1104    return $ret;
1105}
1106
1107/**
1108 * display backlinks
1109 *
1110 * @author Andreas Gohr <andi@splitbrain.org>
1111 * @author Michael Klier <chi@chimeric.de>
1112 */
1113function html_backlinks(){
1114    global $ID;
1115    global $lang;
1116
1117    print p_locale_xhtml('backlinks');
1118
1119    $data = ft_backlinks($ID);
1120
1121    if(!empty($data)) {
1122        print '<ul class="idx">';
1123        foreach($data as $blink){
1124            print '<li><div class="li">';
1125            print html_wikilink(':'.$blink,useHeading('navigation')?null:$blink);
1126            print '</div></li>';
1127        }
1128        print '</ul>';
1129    } else {
1130        print '<div class="level1"><p>' . $lang['nothingfound'] . '</p></div>';
1131    }
1132}
1133
1134/**
1135 * Get header of diff HTML
1136 *
1137 * @param string $l_rev   Left revisions
1138 * @param string $r_rev   Right revision
1139 * @param string $id      Page id, if null $ID is used
1140 * @param bool   $media   If it is for media files
1141 * @param bool   $inline  Return the header on a single line
1142 * @return string[] HTML snippets for diff header
1143 */
1144function html_diff_head($l_rev, $r_rev, $id = null, $media = false, $inline = false) {
1145    global $lang;
1146    if ($id === null) {
1147        global $ID;
1148        $id = $ID;
1149    }
1150    $head_separator = $inline ? ' ' : '<br />';
1151    $media_or_wikiFN = $media ? 'mediaFN' : 'wikiFN';
1152    $ml_or_wl = $media ? 'ml' : 'wl';
1153    $l_minor = $r_minor = '';
1154
1155    if($media) {
1156        $changelog = new MediaChangeLog($id);
1157    } else {
1158        $changelog = new PageChangeLog($id);
1159    }
1160    if(!$l_rev){
1161        $l_head = '&mdash;';
1162    }else{
1163        $l_info   = $changelog->getRevisionInfo($l_rev);
1164        if($l_info['user']){
1165            $l_user = '<bdi>'.editorinfo($l_info['user']).'</bdi>';
1166            if(auth_ismanager()) $l_user .= ' <bdo dir="ltr">('.$l_info['ip'].')</bdo>';
1167        } else {
1168            $l_user = '<bdo dir="ltr">'.$l_info['ip'].'</bdo>';
1169        }
1170        $l_user  = '<span class="user">'.$l_user.'</span>';
1171        $l_sum   = ($l_info['sum']) ? '<span class="sum"><bdi>'.hsc($l_info['sum']).'</bdi></span>' : '';
1172        if ($l_info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT) $l_minor = 'class="minor"';
1173
1174        $l_head_title = ($media) ? dformat($l_rev) : $id.' ['.dformat($l_rev).']';
1175        $l_head = '<bdi><a class="wikilink1" href="'.$ml_or_wl($id,"rev=$l_rev").'">'.
1176        $l_head_title.'</a></bdi>'.
1177        $head_separator.$l_user.' '.$l_sum;
1178    }
1179
1180    if($r_rev){
1181        $r_info   = $changelog->getRevisionInfo($r_rev);
1182        if($r_info['user']){
1183            $r_user = '<bdi>'.editorinfo($r_info['user']).'</bdi>';
1184            if(auth_ismanager()) $r_user .= ' <bdo dir="ltr">('.$r_info['ip'].')</bdo>';
1185        } else {
1186            $r_user = '<bdo dir="ltr">'.$r_info['ip'].'</bdo>';
1187        }
1188        $r_user = '<span class="user">'.$r_user.'</span>';
1189        $r_sum  = ($r_info['sum']) ? '<span class="sum"><bdi>'.hsc($r_info['sum']).'</bdi></span>' : '';
1190        if ($r_info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT) $r_minor = 'class="minor"';
1191
1192        $r_head_title = ($media) ? dformat($r_rev) : $id.' ['.dformat($r_rev).']';
1193        $r_head = '<bdi><a class="wikilink1" href="'.$ml_or_wl($id,"rev=$r_rev").'">'.
1194        $r_head_title.'</a></bdi>'.
1195        $head_separator.$r_user.' '.$r_sum;
1196    }elseif($_rev = @filemtime($media_or_wikiFN($id))){
1197        $_info   = $changelog->getRevisionInfo($_rev);
1198        if($_info['user']){
1199            $_user = '<bdi>'.editorinfo($_info['user']).'</bdi>';
1200            if(auth_ismanager()) $_user .= ' <bdo dir="ltr">('.$_info['ip'].')</bdo>';
1201        } else {
1202            $_user = '<bdo dir="ltr">'.$_info['ip'].'</bdo>';
1203        }
1204        $_user = '<span class="user">'.$_user.'</span>';
1205        $_sum  = ($_info['sum']) ? '<span class="sum"><bdi>'.hsc($_info['sum']).'</span></bdi>' : '';
1206        if ($_info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT) $r_minor = 'class="minor"';
1207
1208        $r_head_title = ($media) ? dformat($_rev) : $id.' ['.dformat($_rev).']';
1209        $r_head  = '<bdi><a class="wikilink1" href="'.$ml_or_wl($id).'">'.
1210        $r_head_title.'</a></bdi> '.
1211        '('.$lang['current'].')'.
1212        $head_separator.$_user.' '.$_sum;
1213    }else{
1214        $r_head = '&mdash; ('.$lang['current'].')';
1215    }
1216
1217    return array($l_head, $r_head, $l_minor, $r_minor);
1218}
1219
1220/**
1221 * Show diff
1222 * between current page version and provided $text
1223 * or between the revisions provided via GET or POST
1224 *
1225 * @author Andreas Gohr <andi@splitbrain.org>
1226 * @param  string $text  when non-empty: compare with this text with most current version
1227 * @param  bool   $intro display the intro text
1228 * @param  string $type  type of the diff (inline or sidebyside)
1229 */
1230function html_diff($text = '', $intro = true, $type = null) {
1231    global $ID;
1232    global $REV;
1233    global $lang;
1234    global $INPUT;
1235    global $INFO;
1236    $pagelog = new PageChangeLog($ID);
1237
1238    /*
1239     * Determine diff type
1240     */
1241    if(!$type) {
1242        $type = $INPUT->str('difftype');
1243        if(empty($type)) {
1244            $type = get_doku_pref('difftype', $type);
1245            if(empty($type) && $INFO['ismobile']) {
1246                $type = 'inline';
1247            }
1248        }
1249    }
1250    if($type != 'inline') $type = 'sidebyside';
1251
1252    /*
1253     * Determine requested revision(s)
1254     */
1255    // we're trying to be clever here, revisions to compare can be either
1256    // given as rev and rev2 parameters, with rev2 being optional. Or in an
1257    // array in rev2.
1258    $rev1 = $REV;
1259
1260    $rev2 = $INPUT->ref('rev2');
1261    if(is_array($rev2)) {
1262        $rev1 = (int) $rev2[0];
1263        $rev2 = (int) $rev2[1];
1264
1265        if(!$rev1) {
1266            $rev1 = $rev2;
1267            unset($rev2);
1268        }
1269    } else {
1270        $rev2 = $INPUT->int('rev2');
1271    }
1272
1273    /*
1274     * Determine left and right revision, its texts and the header
1275     */
1276    $r_minor = '';
1277    $l_minor = '';
1278
1279    if($text) { // compare text to the most current revision
1280        $l_rev = '';
1281        $l_text = rawWiki($ID, '');
1282        $l_head = '<a class="wikilink1" href="' . wl($ID) . '">' .
1283            $ID . ' ' . dformat((int) @filemtime(wikiFN($ID))) . '</a> ' .
1284            $lang['current'];
1285
1286        $r_rev = '';
1287        $r_text = cleanText($text);
1288        $r_head = $lang['yours'];
1289    } else {
1290        if($rev1 && isset($rev2) && $rev2) { // two specific revisions wanted
1291            // make sure order is correct (older on the left)
1292            if($rev1 < $rev2) {
1293                $l_rev = $rev1;
1294                $r_rev = $rev2;
1295            } else {
1296                $l_rev = $rev2;
1297                $r_rev = $rev1;
1298            }
1299        } elseif($rev1) { // single revision given, compare to current
1300            $r_rev = '';
1301            $l_rev = $rev1;
1302        } else { // no revision was given, compare previous to current
1303            $r_rev = '';
1304            $revs = $pagelog->getRevisions(0, 1);
1305            $l_rev = $revs[0];
1306            $REV = $l_rev; // store revision back in $REV
1307        }
1308
1309        // when both revisions are empty then the page was created just now
1310        if(!$l_rev && !$r_rev) {
1311            $l_text = '';
1312        } else {
1313            $l_text = rawWiki($ID, $l_rev);
1314        }
1315        $r_text = rawWiki($ID, $r_rev);
1316
1317        list($l_head, $r_head, $l_minor, $r_minor) = html_diff_head($l_rev, $r_rev, null, false, $type == 'inline');
1318    }
1319
1320    /*
1321     * Build navigation
1322     */
1323    $l_nav = '';
1324    $r_nav = '';
1325    if(!$text) {
1326        list($l_nav, $r_nav) = html_diff_navigation($pagelog, $type, $l_rev, $r_rev);
1327    }
1328    /*
1329     * Create diff object and the formatter
1330     */
1331    $diff = new Diff(explode("\n", $l_text), explode("\n", $r_text));
1332
1333    if($type == 'inline') {
1334        $diffformatter = new InlineDiffFormatter();
1335    } else {
1336        $diffformatter = new TableDiffFormatter();
1337    }
1338    /*
1339     * Display intro
1340     */
1341    if($intro) print p_locale_xhtml('diff');
1342
1343    /*
1344     * Display type and exact reference
1345     */
1346    if(!$text) {
1347        ptln('<div class="diffoptions group">');
1348
1349
1350        $form = new Doku_Form(array('action' => wl()));
1351        $form->addHidden('id', $ID);
1352        $form->addHidden('rev2[0]', $l_rev);
1353        $form->addHidden('rev2[1]', $r_rev);
1354        $form->addHidden('do', 'diff');
1355        $form->addElement(
1356             form_makeListboxField(
1357                 'difftype',
1358                 array(
1359                     'sidebyside' => $lang['diff_side'],
1360                     'inline' => $lang['diff_inline']
1361                 ),
1362                 $type,
1363                 $lang['diff_type'],
1364                 '', '',
1365                 array('class' => 'quickselect')
1366             )
1367        );
1368        $form->addElement(form_makeButton('submit', 'diff', 'Go'));
1369        $form->printForm();
1370
1371        ptln('<p>');
1372        // link to exactly this view FS#2835
1373        echo html_diff_navigationlink($type, 'difflink', $l_rev, $r_rev ? $r_rev : $INFO['currentrev']);
1374        ptln('</p>');
1375
1376        ptln('</div>'); // .diffoptions
1377    }
1378
1379    /*
1380     * Display diff view table
1381     */
1382    ?>
1383    <div class="table">
1384    <table class="diff diff_<?php echo $type ?>">
1385
1386        <?php
1387        //navigation and header
1388        if($type == 'inline') {
1389            if(!$text) { ?>
1390                <tr>
1391                    <td class="diff-lineheader">-</td>
1392                    <td class="diffnav"><?php echo $l_nav ?></td>
1393                </tr>
1394                <tr>
1395                    <th class="diff-lineheader">-</th>
1396                    <th <?php echo $l_minor ?>>
1397                        <?php echo $l_head ?>
1398                    </th>
1399                </tr>
1400            <?php } ?>
1401            <tr>
1402                <td class="diff-lineheader">+</td>
1403                <td class="diffnav"><?php echo $r_nav ?></td>
1404            </tr>
1405            <tr>
1406                <th class="diff-lineheader">+</th>
1407                <th <?php echo $r_minor ?>>
1408                    <?php echo $r_head ?>
1409                </th>
1410            </tr>
1411        <?php } else {
1412            if(!$text) { ?>
1413                <tr>
1414                    <td colspan="2" class="diffnav"><?php echo $l_nav ?></td>
1415                    <td colspan="2" class="diffnav"><?php echo $r_nav ?></td>
1416                </tr>
1417            <?php } ?>
1418            <tr>
1419                <th colspan="2" <?php echo $l_minor ?>>
1420                    <?php echo $l_head ?>
1421                </th>
1422                <th colspan="2" <?php echo $r_minor ?>>
1423                    <?php echo $r_head ?>
1424                </th>
1425            </tr>
1426        <?php }
1427
1428        //diff view
1429        echo html_insert_softbreaks($diffformatter->format($diff)); ?>
1430
1431    </table>
1432    </div>
1433<?php
1434}
1435
1436/**
1437 * Create html for revision navigation
1438 *
1439 * @param PageChangeLog $pagelog changelog object of current page
1440 * @param string        $type    inline vs sidebyside
1441 * @param int           $l_rev   left revision timestamp
1442 * @param int           $r_rev   right revision timestamp
1443 * @return string[] html of left and right navigation elements
1444 */
1445function html_diff_navigation($pagelog, $type, $l_rev, $r_rev) {
1446    global $INFO, $ID;
1447
1448    // last timestamp is not in changelog, retrieve timestamp from metadata
1449    // note: when page is removed, the metadata timestamp is zero
1450    if(!$r_rev) {
1451        if(isset($INFO['meta']['last_change']['date'])) {
1452            $r_rev = $INFO['meta']['last_change']['date'];
1453        } else {
1454            $r_rev = 0;
1455        }
1456    }
1457
1458    //retrieve revisions with additional info
1459    list($l_revs, $r_revs) = $pagelog->getRevisionsAround($l_rev, $r_rev);
1460    $l_revisions = array();
1461    if(!$l_rev) {
1462        $l_revisions[0] = array(0, "", false); //no left revision given, add dummy
1463    }
1464    foreach($l_revs as $rev) {
1465        $info = $pagelog->getRevisionInfo($rev);
1466        $l_revisions[$rev] = array(
1467            $rev,
1468            dformat($info['date']) . ' ' . editorinfo($info['user'], true) . ' ' . $info['sum'],
1469            $r_rev ? $rev >= $r_rev : false //disable?
1470        );
1471    }
1472    $r_revisions = array();
1473    if(!$r_rev) {
1474        $r_revisions[0] = array(0, "", false); //no right revision given, add dummy
1475    }
1476    foreach($r_revs as $rev) {
1477        $info = $pagelog->getRevisionInfo($rev);
1478        $r_revisions[$rev] = array(
1479            $rev,
1480            dformat($info['date']) . ' ' . editorinfo($info['user'], true) . ' ' . $info['sum'],
1481            $rev <= $l_rev //disable?
1482        );
1483    }
1484
1485    //determine previous/next revisions
1486    $l_index = array_search($l_rev, $l_revs);
1487    $l_prev = $l_revs[$l_index + 1];
1488    $l_next = $l_revs[$l_index - 1];
1489    if($r_rev) {
1490        $r_index = array_search($r_rev, $r_revs);
1491        $r_prev = $r_revs[$r_index + 1];
1492        $r_next = $r_revs[$r_index - 1];
1493    } else {
1494        //removed page
1495        if($l_next) {
1496            $r_prev = $r_revs[0];
1497        } else {
1498            $r_prev = null;
1499        }
1500        $r_next = null;
1501    }
1502
1503    /*
1504     * Left side:
1505     */
1506    $l_nav = '';
1507    //move back
1508    if($l_prev) {
1509        $l_nav .= html_diff_navigationlink($type, 'diffbothprevrev', $l_prev, $r_prev);
1510        $l_nav .= html_diff_navigationlink($type, 'diffprevrev', $l_prev, $r_rev);
1511    }
1512    //dropdown
1513    $form = new Doku_Form(array('action' => wl()));
1514    $form->addHidden('id', $ID);
1515    $form->addHidden('difftype', $type);
1516    $form->addHidden('rev2[1]', $r_rev);
1517    $form->addHidden('do', 'diff');
1518    $form->addElement(
1519         form_makeListboxField(
1520             'rev2[0]',
1521             $l_revisions,
1522             $l_rev,
1523             '', '', '',
1524             array('class' => 'quickselect')
1525         )
1526    );
1527    $form->addElement(form_makeButton('submit', 'diff', 'Go'));
1528    $l_nav .= $form->getForm();
1529    //move forward
1530    if($l_next && ($l_next < $r_rev || !$r_rev)) {
1531        $l_nav .= html_diff_navigationlink($type, 'diffnextrev', $l_next, $r_rev);
1532    }
1533
1534    /*
1535     * Right side:
1536     */
1537    $r_nav = '';
1538    //move back
1539    if($l_rev < $r_prev) {
1540        $r_nav .= html_diff_navigationlink($type, 'diffprevrev', $l_rev, $r_prev);
1541    }
1542    //dropdown
1543    $form = new Doku_Form(array('action' => wl()));
1544    $form->addHidden('id', $ID);
1545    $form->addHidden('rev2[0]', $l_rev);
1546    $form->addHidden('difftype', $type);
1547    $form->addHidden('do', 'diff');
1548    $form->addElement(
1549         form_makeListboxField(
1550             'rev2[1]',
1551             $r_revisions,
1552             $r_rev,
1553             '', '', '',
1554             array('class' => 'quickselect')
1555         )
1556    );
1557    $form->addElement(form_makeButton('submit', 'diff', 'Go'));
1558    $r_nav .= $form->getForm();
1559    //move forward
1560    if($r_next) {
1561        if($pagelog->isCurrentRevision($r_next)) {
1562            $r_nav .= html_diff_navigationlink($type, 'difflastrev', $l_rev); //last revision is diff with current page
1563        } else {
1564            $r_nav .= html_diff_navigationlink($type, 'diffnextrev', $l_rev, $r_next);
1565        }
1566        $r_nav .= html_diff_navigationlink($type, 'diffbothnextrev', $l_next, $r_next);
1567    }
1568    return array($l_nav, $r_nav);
1569}
1570
1571/**
1572 * Create html link to a diff defined by two revisions
1573 *
1574 * @param string $difftype display type
1575 * @param string $linktype
1576 * @param int $lrev oldest revision
1577 * @param int $rrev newest revision or null for diff with current revision
1578 * @return string html of link to a diff
1579 */
1580function html_diff_navigationlink($difftype, $linktype, $lrev, $rrev = null) {
1581    global $ID, $lang;
1582    if(!$rrev) {
1583        $urlparam = array(
1584            'do' => 'diff',
1585            'rev' => $lrev,
1586            'difftype' => $difftype,
1587        );
1588    } else {
1589        $urlparam = array(
1590            'do' => 'diff',
1591            'rev2[0]' => $lrev,
1592            'rev2[1]' => $rrev,
1593            'difftype' => $difftype,
1594        );
1595    }
1596    return  '<a class="' . $linktype . '" href="' . wl($ID, $urlparam) . '" title="' . $lang[$linktype] . '">' .
1597                '<span>' . $lang[$linktype] . '</span>' .
1598            '</a>' . "\n";
1599}
1600
1601/**
1602 * Insert soft breaks in diff html
1603 *
1604 * @param string $diffhtml
1605 * @return string
1606 */
1607function html_insert_softbreaks($diffhtml) {
1608    // search the diff html string for both:
1609    // - html tags, so these can be ignored
1610    // - long strings of characters without breaking characters
1611    return preg_replace_callback('/<[^>]*>|[^<> ]{12,}/','html_softbreak_callback',$diffhtml);
1612}
1613
1614/**
1615 * callback which adds softbreaks
1616 *
1617 * @param array $match array with first the complete match
1618 * @return string the replacement
1619 */
1620function html_softbreak_callback($match){
1621    // if match is an html tag, return it intact
1622    if ($match[0]{0} == '<') return $match[0];
1623
1624    // its a long string without a breaking character,
1625    // make certain characters into breaking characters by inserting a
1626    // breaking character (zero length space, U+200B / #8203) in front them.
1627    $regex = <<< REGEX
1628(?(?=                                 # start a conditional expression with a positive look ahead ...
1629&\#?\\w{1,6};)                        # ... for html entities - we don't want to split them (ok to catch some invalid combinations)
1630&\#?\\w{1,6};                         # yes pattern - a quicker match for the html entity, since we know we have one
1631|
1632[?/,&\#;:]                            # no pattern - any other group of 'special' characters to insert a breaking character after
1633)+                                    # end conditional expression
1634REGEX;
1635
1636    return preg_replace('<'.$regex.'>xu','\0&#8203;',$match[0]);
1637}
1638
1639/**
1640 * show warning on conflict detection
1641 *
1642 * @author Andreas Gohr <andi@splitbrain.org>
1643 *
1644 * @param string $text
1645 * @param string $summary
1646 */
1647function html_conflict($text,$summary){
1648    global $ID;
1649    global $lang;
1650
1651    print p_locale_xhtml('conflict');
1652    $form = new Doku_Form(array('id' => 'dw__editform'));
1653    $form->addHidden('id', $ID);
1654    $form->addHidden('wikitext', $text);
1655    $form->addHidden('summary', $summary);
1656    $form->addElement(form_makeButton('submit', 'save', $lang['btn_save'], array('accesskey'=>'s')));
1657    $form->addElement(form_makeButton('submit', 'cancel', $lang['btn_cancel']));
1658    html_form('conflict', $form);
1659    print '<br /><br /><br /><br />'.NL;
1660}
1661
1662/**
1663 * Prints the global message array
1664 *
1665 * @author Andreas Gohr <andi@splitbrain.org>
1666 */
1667function html_msgarea(){
1668    global $MSG, $MSG_shown;
1669    /** @var array $MSG */
1670    // store if the global $MSG has already been shown and thus HTML output has been started
1671    $MSG_shown = true;
1672
1673    if(!isset($MSG)) return;
1674
1675    $shown = array();
1676    foreach($MSG as $msg){
1677        $hash = md5($msg['msg']);
1678        if(isset($shown[$hash])) continue; // skip double messages
1679        if(info_msg_allowed($msg)){
1680            print '<div class="'.$msg['lvl'].'">';
1681            print $msg['msg'];
1682            print '</div>';
1683        }
1684        $shown[$hash] = 1;
1685    }
1686
1687    unset($GLOBALS['MSG']);
1688}
1689
1690/**
1691 * Prints the registration form
1692 *
1693 * @author Andreas Gohr <andi@splitbrain.org>
1694 */
1695function html_register(){
1696    global $lang;
1697    global $conf;
1698    global $INPUT;
1699
1700    $base_attrs = array('size'=>50,'required'=>'required');
1701    $email_attrs = $base_attrs + array('type'=>'email','class'=>'edit');
1702
1703    print p_locale_xhtml('register');
1704    print '<div class="centeralign">'.NL;
1705    $form = new Doku_Form(array('id' => 'dw__register'));
1706    $form->startFieldset($lang['btn_register']);
1707    $form->addHidden('do', 'register');
1708    $form->addHidden('save', '1');
1709    $form->addElement(form_makeTextField('login', $INPUT->post->str('login'), $lang['user'], '', 'block', $base_attrs));
1710    if (!$conf['autopasswd']) {
1711        $form->addElement(form_makePasswordField('pass', $lang['pass'], '', 'block', $base_attrs));
1712        $form->addElement(form_makePasswordField('passchk', $lang['passchk'], '', 'block', $base_attrs));
1713    }
1714    $form->addElement(form_makeTextField('fullname', $INPUT->post->str('fullname'), $lang['fullname'], '', 'block', $base_attrs));
1715    $form->addElement(form_makeField('email','email', $INPUT->post->str('email'), $lang['email'], '', 'block', $email_attrs));
1716    $form->addElement(form_makeButton('submit', '', $lang['btn_register']));
1717    $form->endFieldset();
1718    html_form('register', $form);
1719
1720    print '</div>'.NL;
1721}
1722
1723/**
1724 * Print the update profile form
1725 *
1726 * @author Christopher Smith <chris@jalakai.co.uk>
1727 * @author Andreas Gohr <andi@splitbrain.org>
1728 */
1729function html_updateprofile(){
1730    global $lang;
1731    global $conf;
1732    global $INPUT;
1733    global $INFO;
1734    /** @var DokuWiki_Auth_Plugin $auth */
1735    global $auth;
1736
1737    print p_locale_xhtml('updateprofile');
1738    print '<div class="centeralign">'.NL;
1739
1740    $fullname = $INPUT->post->str('fullname', $INFO['userinfo']['name'], true);
1741    $email = $INPUT->post->str('email', $INFO['userinfo']['mail'], true);
1742    $form = new Doku_Form(array('id' => 'dw__register'));
1743    $form->startFieldset($lang['profile']);
1744    $form->addHidden('do', 'profile');
1745    $form->addHidden('save', '1');
1746    $form->addElement(form_makeTextField('login', $_SERVER['REMOTE_USER'], $lang['user'], '', 'block', array('size'=>'50', 'disabled'=>'disabled')));
1747    $attr = array('size'=>'50');
1748    if (!$auth->canDo('modName')) $attr['disabled'] = 'disabled';
1749    $form->addElement(form_makeTextField('fullname', $fullname, $lang['fullname'], '', 'block', $attr));
1750    $attr = array('size'=>'50', 'class'=>'edit');
1751    if (!$auth->canDo('modMail')) $attr['disabled'] = 'disabled';
1752    $form->addElement(form_makeField('email','email', $email, $lang['email'], '', 'block', $attr));
1753    $form->addElement(form_makeTag('br'));
1754    if ($auth->canDo('modPass')) {
1755        $form->addElement(form_makePasswordField('newpass', $lang['newpass'], '', 'block', array('size'=>'50')));
1756        $form->addElement(form_makePasswordField('passchk', $lang['passchk'], '', 'block', array('size'=>'50')));
1757    }
1758    if ($conf['profileconfirm']) {
1759        $form->addElement(form_makeTag('br'));
1760        $form->addElement(form_makePasswordField('oldpass', $lang['oldpass'], '', 'block', array('size'=>'50', 'required' => 'required')));
1761    }
1762    $form->addElement(form_makeButton('submit', '', $lang['btn_save']));
1763    $form->addElement(form_makeButton('reset', '', $lang['btn_reset']));
1764
1765    $form->endFieldset();
1766    html_form('updateprofile', $form);
1767
1768    if ($auth->canDo('delUser') && actionOK('profile_delete')) {
1769        $form_profiledelete = new Doku_Form(array('id' => 'dw__profiledelete'));
1770        $form_profiledelete->startFieldset($lang['profdeleteuser']);
1771        $form_profiledelete->addHidden('do', 'profile_delete');
1772        $form_profiledelete->addHidden('delete', '1');
1773        $form_profiledelete->addElement(form_makeCheckboxField('confirm_delete', '1', $lang['profconfdelete'],'dw__confirmdelete','', array('required' => 'required')));
1774        if ($conf['profileconfirm']) {
1775            $form_profiledelete->addElement(form_makeTag('br'));
1776            $form_profiledelete->addElement(form_makePasswordField('oldpass', $lang['oldpass'], '', 'block', array('size'=>'50', 'required' => 'required')));
1777        }
1778        $form_profiledelete->addElement(form_makeButton('submit', '', $lang['btn_deleteuser']));
1779        $form_profiledelete->endFieldset();
1780
1781        html_form('profiledelete', $form_profiledelete);
1782    }
1783
1784    print '</div>'.NL;
1785}
1786
1787/**
1788 * Preprocess edit form data
1789 *
1790 * @author   Andreas Gohr <andi@splitbrain.org>
1791 *
1792 * @triggers HTML_EDITFORM_OUTPUT
1793 */
1794function html_edit(){
1795    global $INPUT;
1796    global $ID;
1797    global $REV;
1798    global $DATE;
1799    global $PRE;
1800    global $SUF;
1801    global $INFO;
1802    global $SUM;
1803    global $lang;
1804    global $conf;
1805    global $TEXT;
1806
1807    if ($INPUT->has('changecheck')) {
1808        $check = $INPUT->str('changecheck');
1809    } elseif(!$INFO['exists']){
1810        // $TEXT has been loaded from page template
1811        $check = md5('');
1812    } else {
1813        $check = md5($TEXT);
1814    }
1815    $mod = md5($TEXT) !== $check;
1816
1817    $wr = $INFO['writable'] && !$INFO['locked'];
1818    $include = 'edit';
1819    if($wr){
1820        if ($REV) $include = 'editrev';
1821    }else{
1822        // check pseudo action 'source'
1823        if(!actionOK('source')){
1824            msg('Command disabled: source',-1);
1825            return;
1826        }
1827        $include = 'read';
1828    }
1829
1830    global $license;
1831
1832    $form = new Doku_Form(array('id' => 'dw__editform'));
1833    $form->addHidden('id', $ID);
1834    $form->addHidden('rev', $REV);
1835    $form->addHidden('date', $DATE);
1836    $form->addHidden('prefix', $PRE . '.');
1837    $form->addHidden('suffix', $SUF);
1838    $form->addHidden('changecheck', $check);
1839
1840    $data = array('form' => $form,
1841                  'wr'   => $wr,
1842                  'media_manager' => true,
1843                  'target' => ($INPUT->has('target') && $wr) ? $INPUT->str('target') : 'section',
1844                  'intro_locale' => $include);
1845
1846    if ($data['target'] !== 'section') {
1847        // Only emit event if page is writable, section edit data is valid and
1848        // edit target is not section.
1849        trigger_event('HTML_EDIT_FORMSELECTION', $data, 'html_edit_form', true);
1850    } else {
1851        html_edit_form($data);
1852    }
1853    if (isset($data['intro_locale'])) {
1854        echo p_locale_xhtml($data['intro_locale']);
1855    }
1856
1857    $form->addHidden('target', $data['target']);
1858    if ($INPUT->has('hid')) {
1859        $form->addHidden('hid', $INPUT->str('hid'));
1860    }
1861    $form->addElement(form_makeOpenTag('div', array('id'=>'wiki__editbar', 'class'=>'editBar')));
1862    $form->addElement(form_makeOpenTag('div', array('id'=>'size__ctl')));
1863    $form->addElement(form_makeCloseTag('div'));
1864    if ($wr) {
1865        $form->addElement(form_makeOpenTag('div', array('class'=>'editButtons')));
1866        $form->addElement(form_makeButton('submit', 'save', $lang['btn_save'], array('id'=>'edbtn__save', 'accesskey'=>'s', 'tabindex'=>'4')));
1867        $form->addElement(form_makeButton('submit', 'preview', $lang['btn_preview'], array('id'=>'edbtn__preview', 'accesskey'=>'p', 'tabindex'=>'5')));
1868        $form->addElement(form_makeButton('submit', 'draftdel', $lang['btn_cancel'], array('tabindex'=>'6')));
1869        $form->addElement(form_makeCloseTag('div'));
1870        $form->addElement(form_makeOpenTag('div', array('class'=>'summary')));
1871        $form->addElement(form_makeTextField('summary', $SUM, $lang['summary'], 'edit__summary', 'nowrap', array('size'=>'50', 'tabindex'=>'2')));
1872        $elem = html_minoredit();
1873        if ($elem) $form->addElement($elem);
1874        $form->addElement(form_makeCloseTag('div'));
1875    }
1876    $form->addElement(form_makeCloseTag('div'));
1877    if($wr && $conf['license']){
1878        $form->addElement(form_makeOpenTag('div', array('class'=>'license')));
1879        $out  = $lang['licenseok'];
1880        $out .= ' <a href="'.$license[$conf['license']]['url'].'" rel="license" class="urlextern"';
1881        if($conf['target']['extern']) $out .= ' target="'.$conf['target']['extern'].'"';
1882        $out .= '>'.$license[$conf['license']]['name'].'</a>';
1883        $form->addElement($out);
1884        $form->addElement(form_makeCloseTag('div'));
1885    }
1886
1887    if ($wr) {
1888        // sets changed to true when previewed
1889        echo '<script type="text/javascript">/*<![CDATA[*/'. NL;
1890        echo 'textChanged = ' . ($mod ? 'true' : 'false');
1891        echo '/*!]]>*/</script>' . NL;
1892    } ?>
1893    <div class="editBox" role="application">
1894
1895    <div class="toolbar group">
1896        <div id="draft__status"><?php if(!empty($INFO['draft'])) echo $lang['draftdate'].' '.dformat();?></div>
1897        <div id="tool__bar"><?php if ($wr && $data['media_manager']){?><a href="<?php echo DOKU_BASE?>lib/exe/mediamanager.php?ns=<?php echo $INFO['namespace']?>"
1898            target="_blank"><?php echo $lang['mediaselect'] ?></a><?php }?></div>
1899    </div>
1900    <?php
1901
1902    html_form('edit', $form);
1903    print '</div>'.NL;
1904}
1905
1906/**
1907 * Display the default edit form
1908 *
1909 * Is the default action for HTML_EDIT_FORMSELECTION.
1910 *
1911 * @param mixed[] $param
1912 */
1913function html_edit_form($param) {
1914    global $TEXT;
1915
1916    if ($param['target'] !== 'section') {
1917        msg('No editor for edit target ' . hsc($param['target']) . ' found.', -1);
1918    }
1919
1920    $attr = array('tabindex'=>'1');
1921    if (!$param['wr']) $attr['readonly'] = 'readonly';
1922
1923    $param['form']->addElement(form_makeWikiText($TEXT, $attr));
1924}
1925
1926/**
1927 * Adds a checkbox for minor edits for logged in users
1928 *
1929 * @author Andreas Gohr <andi@splitbrain.org>
1930 *
1931 * @return array|bool
1932 */
1933function html_minoredit(){
1934    global $conf;
1935    global $lang;
1936    global $INPUT;
1937    // minor edits are for logged in users only
1938    if(!$conf['useacl'] || !$_SERVER['REMOTE_USER']){
1939        return false;
1940    }
1941
1942    $p = array();
1943    $p['tabindex'] = 3;
1944    if($INPUT->bool('minor')) $p['checked']='checked';
1945    return form_makeCheckboxField('minor', '1', $lang['minoredit'], 'minoredit', 'nowrap', $p);
1946}
1947
1948/**
1949 * prints some debug info
1950 *
1951 * @author Andreas Gohr <andi@splitbrain.org>
1952 */
1953function html_debug(){
1954    global $conf;
1955    global $lang;
1956    /** @var DokuWiki_Auth_Plugin $auth */
1957    global $auth;
1958    global $INFO;
1959
1960    //remove sensitive data
1961    $cnf = $conf;
1962    debug_guard($cnf);
1963    $nfo = $INFO;
1964    debug_guard($nfo);
1965    $ses = $_SESSION;
1966    debug_guard($ses);
1967
1968    print '<html><body>';
1969
1970    print '<p>When reporting bugs please send all the following ';
1971    print 'output as a mail to andi@splitbrain.org ';
1972    print 'The best way to do this is to save this page in your browser</p>';
1973
1974    print '<b>$INFO:</b><pre>';
1975    print_r($nfo);
1976    print '</pre>';
1977
1978    print '<b>$_SERVER:</b><pre>';
1979    print_r($_SERVER);
1980    print '</pre>';
1981
1982    print '<b>$conf:</b><pre>';
1983    print_r($cnf);
1984    print '</pre>';
1985
1986    print '<b>DOKU_BASE:</b><pre>';
1987    print DOKU_BASE;
1988    print '</pre>';
1989
1990    print '<b>abs DOKU_BASE:</b><pre>';
1991    print DOKU_URL;
1992    print '</pre>';
1993
1994    print '<b>rel DOKU_BASE:</b><pre>';
1995    print dirname($_SERVER['PHP_SELF']).'/';
1996    print '</pre>';
1997
1998    print '<b>PHP Version:</b><pre>';
1999    print phpversion();
2000    print '</pre>';
2001
2002    print '<b>locale:</b><pre>';
2003    print setlocale(LC_ALL,0);
2004    print '</pre>';
2005
2006    print '<b>encoding:</b><pre>';
2007    print $lang['encoding'];
2008    print '</pre>';
2009
2010    if($auth){
2011        print '<b>Auth backend capabilities:</b><pre>';
2012        foreach ($auth->getCapabilities() as $cando){
2013            print '   '.str_pad($cando,16) . ' => ' . (int)$auth->canDo($cando) . NL;
2014        }
2015        print '</pre>';
2016    }
2017
2018    print '<b>$_SESSION:</b><pre>';
2019    print_r($ses);
2020    print '</pre>';
2021
2022    print '<b>Environment:</b><pre>';
2023    print_r($_ENV);
2024    print '</pre>';
2025
2026    print '<b>PHP settings:</b><pre>';
2027    $inis = ini_get_all();
2028    print_r($inis);
2029    print '</pre>';
2030
2031    if (function_exists('apache_get_version')) {
2032        $apache = array();
2033        $apache['version'] = apache_get_version();
2034
2035        if (function_exists('apache_get_modules')) {
2036            $apache['modules'] = apache_get_modules();
2037        }
2038        print '<b>Apache</b><pre>';
2039        print_r($apache);
2040        print '</pre>';
2041    }
2042
2043    print '</body></html>';
2044}
2045
2046/**
2047 * Form to request a new password for an existing account
2048 *
2049 * @author Benoit Chesneau <benoit@bchesneau.info>
2050 * @author Andreas Gohr <gohr@cosmocode.de>
2051 */
2052function html_resendpwd() {
2053    global $lang;
2054    global $conf;
2055    global $INPUT;
2056
2057    $token = preg_replace('/[^a-f0-9]+/','',$INPUT->str('pwauth'));
2058
2059    if(!$conf['autopasswd'] && $token){
2060        print p_locale_xhtml('resetpwd');
2061        print '<div class="centeralign">'.NL;
2062        $form = new Doku_Form(array('id' => 'dw__resendpwd'));
2063        $form->startFieldset($lang['btn_resendpwd']);
2064        $form->addHidden('token', $token);
2065        $form->addHidden('do', 'resendpwd');
2066
2067        $form->addElement(form_makePasswordField('pass', $lang['pass'], '', 'block', array('size'=>'50')));
2068        $form->addElement(form_makePasswordField('passchk', $lang['passchk'], '', 'block', array('size'=>'50')));
2069
2070        $form->addElement(form_makeButton('submit', '', $lang['btn_resendpwd']));
2071        $form->endFieldset();
2072        html_form('resendpwd', $form);
2073        print '</div>'.NL;
2074    }else{
2075        print p_locale_xhtml('resendpwd');
2076        print '<div class="centeralign">'.NL;
2077        $form = new Doku_Form(array('id' => 'dw__resendpwd'));
2078        $form->startFieldset($lang['resendpwd']);
2079        $form->addHidden('do', 'resendpwd');
2080        $form->addHidden('save', '1');
2081        $form->addElement(form_makeTag('br'));
2082        $form->addElement(form_makeTextField('login', $INPUT->post->str('login'), $lang['user'], '', 'block'));
2083        $form->addElement(form_makeTag('br'));
2084        $form->addElement(form_makeTag('br'));
2085        $form->addElement(form_makeButton('submit', '', $lang['btn_resendpwd']));
2086        $form->endFieldset();
2087        html_form('resendpwd', $form);
2088        print '</div>'.NL;
2089    }
2090}
2091
2092/**
2093 * Return the TOC rendered to XHTML
2094 *
2095 * @author Andreas Gohr <andi@splitbrain.org>
2096 *
2097 * @param array $toc
2098 * @return string html
2099 */
2100function html_TOC($toc){
2101    if(!count($toc)) return '';
2102    global $lang;
2103    $out  = '<!-- TOC START -->'.DOKU_LF;
2104    $out .= '<div id="dw__toc">'.DOKU_LF;
2105    $out .= '<h3 class="toggle">';
2106    $out .= $lang['toc'];
2107    $out .= '</h3>'.DOKU_LF;
2108    $out .= '<div>'.DOKU_LF;
2109    $out .= html_buildlist($toc,'toc','html_list_toc','html_li_default',true);
2110    $out .= '</div>'.DOKU_LF.'</div>'.DOKU_LF;
2111    $out .= '<!-- TOC END -->'.DOKU_LF;
2112    return $out;
2113}
2114
2115/**
2116 * Callback for html_buildlist
2117 *
2118 * @param array $item
2119 * @return string html
2120 */
2121function html_list_toc($item){
2122    if(isset($item['hid'])){
2123        $link = '#'.$item['hid'];
2124    }else{
2125        $link = $item['link'];
2126    }
2127
2128    return '<a href="'.$link.'">'.hsc($item['title']).'</a>';
2129}
2130
2131/**
2132 * Helper function to build TOC items
2133 *
2134 * Returns an array ready to be added to a TOC array
2135 *
2136 * @param string $link  - where to link (if $hash set to '#' it's a local anchor)
2137 * @param string $text  - what to display in the TOC
2138 * @param int    $level - nesting level
2139 * @param string $hash  - is prepended to the given $link, set blank if you want full links
2140 * @return array the toc item
2141 */
2142function html_mktocitem($link, $text, $level, $hash='#'){
2143    return  array( 'link'  => $hash.$link,
2144            'title' => $text,
2145            'type'  => 'ul',
2146            'level' => $level);
2147}
2148
2149/**
2150 * Output a Doku_Form object.
2151 * Triggers an event with the form name: HTML_{$name}FORM_OUTPUT
2152 *
2153 * @author Tom N Harris <tnharris@whoopdedo.org>
2154 *
2155 * @param string     $name The name of the form
2156 * @param Doku_Form  $form The form
2157 */
2158function html_form($name, &$form) {
2159    // Safety check in case the caller forgets.
2160    $form->endFieldset();
2161    trigger_event('HTML_'.strtoupper($name).'FORM_OUTPUT', $form, 'html_form_output', false);
2162}
2163
2164/**
2165 * Form print function.
2166 * Just calls printForm() on the data object.
2167 *
2168 * @param Doku_Form $data The form
2169 */
2170function html_form_output($data) {
2171    $data->printForm();
2172}
2173
2174/**
2175 * Embed a flash object in HTML
2176 *
2177 * This will create the needed HTML to embed a flash movie in a cross browser
2178 * compatble way using valid XHTML
2179 *
2180 * The parameters $params, $flashvars and $atts need to be associative arrays.
2181 * No escaping needs to be done for them. The alternative content *has* to be
2182 * escaped because it is used as is. If no alternative content is given
2183 * $lang['noflash'] is used.
2184 *
2185 * @author Andreas Gohr <andi@splitbrain.org>
2186 * @link   http://latrine.dgx.cz/how-to-correctly-insert-a-flash-into-xhtml
2187 *
2188 * @param string $swf      - the SWF movie to embed
2189 * @param int $width       - width of the flash movie in pixels
2190 * @param int $height      - height of the flash movie in pixels
2191 * @param array $params    - additional parameters (<param>)
2192 * @param array $flashvars - parameters to be passed in the flashvar parameter
2193 * @param array $atts      - additional attributes for the <object> tag
2194 * @param string $alt      - alternative content (is NOT automatically escaped!)
2195 * @return string         - the XHTML markup
2196 */
2197function html_flashobject($swf,$width,$height,$params=null,$flashvars=null,$atts=null,$alt=''){
2198    global $lang;
2199
2200    $out = '';
2201
2202    // prepare the object attributes
2203    if(is_null($atts)) $atts = array();
2204    $atts['width']  = (int) $width;
2205    $atts['height'] = (int) $height;
2206    if(!$atts['width'])  $atts['width']  = 425;
2207    if(!$atts['height']) $atts['height'] = 350;
2208
2209    // add object attributes for standard compliant browsers
2210    $std = $atts;
2211    $std['type'] = 'application/x-shockwave-flash';
2212    $std['data'] = $swf;
2213
2214    // add object attributes for IE
2215    $ie  = $atts;
2216    $ie['classid'] = 'clsid:D27CDB6E-AE6D-11cf-96B8-444553540000';
2217
2218    // open object (with conditional comments)
2219    $out .= '<!--[if !IE]> -->'.NL;
2220    $out .= '<object '.buildAttributes($std).'>'.NL;
2221    $out .= '<!-- <![endif]-->'.NL;
2222    $out .= '<!--[if IE]>'.NL;
2223    $out .= '<object '.buildAttributes($ie).'>'.NL;
2224    $out .= '    <param name="movie" value="'.hsc($swf).'" />'.NL;
2225    $out .= '<!--><!-- -->'.NL;
2226
2227    // print params
2228    if(is_array($params)) foreach($params as $key => $val){
2229        $out .= '  <param name="'.hsc($key).'" value="'.hsc($val).'" />'.NL;
2230    }
2231
2232    // add flashvars
2233    if(is_array($flashvars)){
2234        $out .= '  <param name="FlashVars" value="'.buildURLparams($flashvars).'" />'.NL;
2235    }
2236
2237    // alternative content
2238    if($alt){
2239        $out .= $alt.NL;
2240    }else{
2241        $out .= $lang['noflash'].NL;
2242    }
2243
2244    // finish
2245    $out .= '</object>'.NL;
2246    $out .= '<!-- <![endif]-->'.NL;
2247
2248    return $out;
2249}
2250
2251/**
2252 * Prints HTML code for the given tab structure
2253 *
2254 * @param array  $tabs        tab structure
2255 * @param string $current_tab the current tab id
2256 */
2257function html_tabs($tabs, $current_tab = null) {
2258    echo '<ul class="tabs">'.NL;
2259
2260    foreach($tabs as $id => $tab) {
2261        html_tab($tab['href'], $tab['caption'], $id === $current_tab);
2262    }
2263
2264    echo '</ul>'.NL;
2265}
2266
2267/**
2268 * Prints a single tab
2269 *
2270 * @author Kate Arzamastseva <pshns@ukr.net>
2271 * @author Adrian Lang <mail@adrianlang.de>
2272 *
2273 * @param string $href - tab href
2274 * @param string $caption - tab caption
2275 * @param boolean $selected - is tab selected
2276 */
2277
2278function html_tab($href, $caption, $selected=false) {
2279    $tab = '<li>';
2280    if ($selected) {
2281        $tab .= '<strong>';
2282    } else {
2283        $tab .= '<a href="' . hsc($href) . '">';
2284    }
2285    $tab .= hsc($caption)
2286         .  '</' . ($selected ? 'strong' : 'a') . '>'
2287         .  '</li>'.NL;
2288    echo $tab;
2289}
2290
2291/**
2292 * Display size change
2293 *
2294 * @param int $sizechange - size of change in Bytes
2295 * @param Doku_Form $form - form to add elements to
2296 */
2297
2298function html_sizechange($sizechange, Doku_Form $form) {
2299    if(isset($sizechange)) {
2300        $class = 'sizechange';
2301        $value = filesize_h(abs($sizechange));
2302        if($sizechange > 0) {
2303            $class .= ' positive';
2304            $value = '+' . $value;
2305        } elseif($sizechange < 0) {
2306            $class .= ' negative';
2307            $value = '-' . $value;
2308        } else {
2309            $value = '±' . $value;
2310        }
2311        $form->addElement(form_makeOpenTag('span', array('class' => $class)));
2312        $form->addElement($value);
2313        $form->addElement(form_makeCloseTag('span'));
2314    }
2315}
2316