xref: /dokuwiki/inc/html.php (revision f9528c0c7accd2da60f16864555b4982b940a1a0) 
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    static $xhtml_renderer = null;
23    if(is_null($xhtml_renderer)){
24        $xhtml_renderer = p_get_renderer('xhtml');
25    }
26
27    return $xhtml_renderer->internallink($id,$name,$search,true,'navigation');
28}
29
30/**
31 * Helps building long attribute lists
32 *
33 * @deprecated Use buildAttributes instead
34 * @author Andreas Gohr <andi@splitbrain.org>
35 */
36function html_attbuild($attributes){
37    $ret = '';
38    foreach ( $attributes as $key => $value ) {
39        $ret .= $key.'="'.formText($value).'" ';
40    }
41    return trim($ret);
42}
43
44/**
45 * The loginform
46 *
47 * @author   Andreas Gohr <andi@splitbrain.org>
48 */
49function html_login(){
50    global $lang;
51    global $conf;
52    global $ID;
53    global $INPUT;
54
55    print p_locale_xhtml('login');
56    print '<div class="centeralign">'.NL;
57    $form = new Doku_Form(array('id' => 'dw__login'));
58    $form->startFieldset($lang['btn_login']);
59    $form->addHidden('id', $ID);
60    $form->addHidden('do', 'login');
61    $form->addElement(form_makeTextField('u', ((!$INPUT->bool('http_credentials')) ? $INPUT->str('u') : ''), $lang['user'], 'focus__this', 'block'));
62    $form->addElement(form_makePasswordField('p', $lang['pass'], '', 'block'));
63    if($conf['rememberme']) {
64        $form->addElement(form_makeCheckboxField('r', '1', $lang['remember'], 'remember__me', 'simple'));
65    }
66    $form->addElement(form_makeButton('submit', '', $lang['btn_login']));
67    $form->endFieldset();
68
69    if(actionOK('register')){
70        $form->addElement('<p>'.$lang['reghere'].': '.tpl_actionlink('register','','','',true).'</p>');
71    }
72
73    if (actionOK('resendpwd')) {
74        $form->addElement('<p>'.$lang['pwdforget'].': '.tpl_actionlink('resendpwd','','','',true).'</p>');
75    }
76
77    html_form('login', $form);
78    print '</div>'.NL;
79}
80
81/**
82 * inserts section edit buttons if wanted or removes the markers
83 *
84 * @author Andreas Gohr <andi@splitbrain.org>
85 */
86function html_secedit($text,$show=true){
87    global $INFO;
88
89    $regexp = '#<!-- EDIT(\d+) ([A-Z_]+) (?:"([^"]*)" )?\[(\d+-\d*)\] -->#';
90
91    if(!$INFO['writable'] || !$show || $INFO['rev']){
92        return preg_replace($regexp,'',$text);
93    }
94
95    return preg_replace_callback($regexp,
96                'html_secedit_button', $text);
97}
98
99/**
100 * prepares section edit button data for event triggering
101 * used as a callback in html_secedit
102 *
103 * @triggers HTML_SECEDIT_BUTTON
104 * @author Andreas Gohr <andi@splitbrain.org>
105 */
106function html_secedit_button($matches){
107    $data = array('secid'  => $matches[1],
108                  'target' => strtolower($matches[2]),
109                  'range'  => $matches[count($matches) - 1]);
110    if (count($matches) === 5) {
111        $data['name'] = $matches[3];
112    }
113
114    return trigger_event('HTML_SECEDIT_BUTTON', $data,
115                         'html_secedit_get_button');
116}
117
118/**
119 * prints a section editing button
120 * used as default action form HTML_SECEDIT_BUTTON
121 *
122 * @author Adrian Lang <lang@cosmocode.de>
123 */
124function html_secedit_get_button($data) {
125    global $ID;
126    global $INFO;
127
128    if (!isset($data['name']) || $data['name'] === '') return '';
129
130    $name = $data['name'];
131    unset($data['name']);
132
133    $secid = $data['secid'];
134    unset($data['secid']);
135
136    return "<div class='secedit editbutton_" . $data['target'] .
137                       " editbutton_" . $secid . "'>" .
138           html_btn('secedit', $ID, '',
139                    array_merge(array('do'  => 'edit',
140                                      'rev' => $INFO['lastmod'],
141                                      'summary' => '['.$name.'] '), $data),
142                    'post', $name) . '</div>';
143}
144
145/**
146 * Just the back to top button (in its own form)
147 *
148 * @author Andreas Gohr <andi@splitbrain.org>
149 */
150function html_topbtn(){
151    global $lang;
152
153    $ret  = '<a class="nolink" href="#dokuwiki__top"><input type="button" class="button" value="'.$lang['btn_top'].'" onclick="window.scrollTo(0, 0)" title="'.$lang['btn_top'].'" /></a>';
154
155    return $ret;
156}
157
158/**
159 * Displays a button (using its own form)
160 * If tooltip exists, the access key tooltip is replaced.
161 *
162 * @author Andreas Gohr <andi@splitbrain.org>
163 */
164function html_btn($name,$id,$akey,$params,$method='get',$tooltip='',$label=false){
165    global $conf;
166    global $lang;
167
168    if (!$label)
169        $label = $lang['btn_'.$name];
170
171    $ret = '';
172
173    //filter id (without urlencoding)
174    $id = idfilter($id,false);
175
176    //make nice URLs even for buttons
177    if($conf['userewrite'] == 2){
178        $script = DOKU_BASE.DOKU_SCRIPT.'/'.$id;
179    }elseif($conf['userewrite']){
180        $script = DOKU_BASE.$id;
181    }else{
182        $script = DOKU_BASE.DOKU_SCRIPT;
183        $params['id'] = $id;
184    }
185
186    $ret .= '<form class="button btn_'.$name.'" method="'.$method.'" action="'.$script.'"><div class="no">';
187
188    if(is_array($params)){
189        reset($params);
190        while (list($key, $val) = each($params)) {
191            $ret .= '<input type="hidden" name="'.$key.'" ';
192            $ret .= 'value="'.htmlspecialchars($val).'" />';
193        }
194    }
195
196    if ($tooltip!='') {
197        $tip = htmlspecialchars($tooltip);
198    }else{
199        $tip = htmlspecialchars($label);
200    }
201
202    $ret .= '<input type="submit" value="'.hsc($label).'" class="button" ';
203    if($akey){
204        $tip .= ' ['.strtoupper($akey).']';
205        $ret .= 'accesskey="'.$akey.'" ';
206    }
207    $ret .= 'title="'.$tip.'" ';
208    $ret .= '/>';
209    $ret .= '</div></form>';
210
211    return $ret;
212}
213
214/**
215 * show a wiki page
216 *
217 * @author Andreas Gohr <andi@splitbrain.org>
218 */
219function html_show($txt=null){
220    global $ID;
221    global $REV;
222    global $HIGH;
223    global $INFO;
224    //disable section editing for old revisions or in preview
225    if($txt || $REV){
226        $secedit = false;
227    }else{
228        $secedit = true;
229    }
230
231    if (!is_null($txt)){
232        //PreviewHeader
233        echo '<br id="scroll__here" />';
234        echo p_locale_xhtml('preview');
235        echo '<div class="preview"><div class="pad">';
236        $html = html_secedit(p_render('xhtml',p_get_instructions($txt),$info),$secedit);
237        if($INFO['prependTOC']) $html = tpl_toc(true).$html;
238        echo $html;
239        echo '<div class="clearer"></div>';
240        echo '</div></div>';
241
242    }else{
243        if ($REV) print p_locale_xhtml('showrev');
244        $html = p_wiki_xhtml($ID,$REV,true);
245        $html = html_secedit($html,$secedit);
246        if($INFO['prependTOC']) $html = tpl_toc(true).$html;
247        $html = html_hilight($html,$HIGH);
248        echo $html;
249    }
250}
251
252/**
253 * ask the user about how to handle an exisiting draft
254 *
255 * @author Andreas Gohr <andi@splitbrain.org>
256 */
257function html_draft(){
258    global $INFO;
259    global $ID;
260    global $lang;
261    $draft = unserialize(io_readFile($INFO['draft'],false));
262    $text  = cleanText(con($draft['prefix'],$draft['text'],$draft['suffix'],true));
263
264    print p_locale_xhtml('draft');
265    $form = new Doku_Form(array('id' => 'dw__editform'));
266    $form->addHidden('id', $ID);
267    $form->addHidden('date', $draft['date']);
268    $form->addElement(form_makeWikiText($text, array('readonly'=>'readonly')));
269    $form->addElement(form_makeOpenTag('div', array('id'=>'draft__status')));
270    $form->addElement($lang['draftdate'].' '. dformat(filemtime($INFO['draft'])));
271    $form->addElement(form_makeCloseTag('div'));
272    $form->addElement(form_makeButton('submit', 'recover', $lang['btn_recover'], array('tabindex'=>'1')));
273    $form->addElement(form_makeButton('submit', 'draftdel', $lang['btn_draftdel'], array('tabindex'=>'2')));
274    $form->addElement(form_makeButton('submit', 'show', $lang['btn_cancel'], array('tabindex'=>'3')));
275    html_form('draft', $form);
276}
277
278/**
279 * Highlights searchqueries in HTML code
280 *
281 * @author Andreas Gohr <andi@splitbrain.org>
282 * @author Harry Fuecks <hfuecks@gmail.com>
283 */
284function html_hilight($html,$phrases){
285    $phrases = (array) $phrases;
286    $phrases = array_map('preg_quote_cb', $phrases);
287    $phrases = array_map('ft_snippet_re_preprocess', $phrases);
288    $phrases = array_filter($phrases);
289    $regex = join('|',$phrases);
290
291    if ($regex === '') return $html;
292    if (!utf8_check($regex)) return $html;
293    $html = @preg_replace_callback("/((<[^>]*)|$regex)/ui",'html_hilight_callback',$html);
294    return $html;
295}
296
297/**
298 * Callback used by html_hilight()
299 *
300 * @author Harry Fuecks <hfuecks@gmail.com>
301 */
302function html_hilight_callback($m) {
303    $hlight = unslash($m[0]);
304    if ( !isset($m[2])) {
305        $hlight = '<span class="search_hit">'.$hlight.'</span>';
306    }
307    return $hlight;
308}
309
310/**
311 * Run a search and display the result
312 *
313 * @author Andreas Gohr <andi@splitbrain.org>
314 */
315function html_search(){
316    global $QUERY;
317    global $lang;
318
319    $intro = p_locale_xhtml('searchpage');
320    // allow use of placeholder in search intro
321    $intro = str_replace(
322                array('@QUERY@','@SEARCH@'),
323                array(hsc(rawurlencode($QUERY)),hsc($QUERY)),
324                $intro);
325    echo $intro;
326    flush();
327
328    //show progressbar
329    print '<div id="dw__loading">'.NL;
330    print '<script type="text/javascript">/*<![CDATA[*/'.NL;
331    print 'showLoadBar();'.NL;
332    print '/*!]]>*/</script>'.NL;
333    print '</div>'.NL;
334    flush();
335
336    //do quick pagesearch
337    $data = ft_pageLookup($QUERY,true,useHeading('navigation'));
338    if(count($data)){
339        print '<div class="search_quickresult">';
340        print '<h3>'.$lang['quickhits'].':</h3>';
341        print '<ul class="search_quickhits">';
342        foreach($data as $id => $title){
343            print '<li> ';
344            if (useHeading('navigation')) {
345                $name = $title;
346            }else{
347                $ns = getNS($id);
348                if($ns){
349                    $name = shorten(noNS($id), ' ('.$ns.')',30);
350                }else{
351                    $name = $id;
352                }
353            }
354            print html_wikilink(':'.$id,$name);
355            print '</li> ';
356        }
357        print '</ul> ';
358        //clear float (see http://www.complexspiral.com/publications/containing-floats/)
359        print '<div class="clearer"></div>';
360        print '</div>';
361    }
362    flush();
363
364    //do fulltext search
365    $data = ft_pageSearch($QUERY,$regex);
366    if(count($data)){
367        print '<dl class="search_results">';
368        $num = 1;
369        foreach($data as $id => $cnt){
370            print '<dt>';
371            print html_wikilink(':'.$id,useHeading('navigation')?null:$id,$regex);
372            if($cnt !== 0){
373                print ': '.$cnt.' '.$lang['hits'].'';
374            }
375            print '</dt>';
376            if($cnt !== 0){
377                if($num < FT_SNIPPET_NUMBER){ // create snippets for the first number of matches only
378                    print '<dd>'.ft_snippet($id,$regex).'</dd>';
379                }
380                $num++;
381            }
382            flush();
383        }
384        print '</dl>';
385    }else{
386        print '<div class="nothing">'.$lang['nothingfound'].'</div>';
387    }
388
389    //hide progressbar
390    print '<script type="text/javascript">/*<![CDATA[*/'.NL;
391    print 'hideLoadBar("dw__loading");'.NL;
392    print '/*!]]>*/</script>'.NL;
393    flush();
394}
395
396/**
397 * Display error on locked pages
398 *
399 * @author Andreas Gohr <andi@splitbrain.org>
400 */
401function html_locked(){
402    global $ID;
403    global $conf;
404    global $lang;
405    global $INFO;
406
407    $locktime = filemtime(wikiLockFN($ID));
408    $expire = dformat($locktime + $conf['locktime']);
409    $min    = round(($conf['locktime'] - (time() - $locktime) )/60);
410
411    print p_locale_xhtml('locked');
412    print '<ul>';
413    print '<li><div class="li"><strong>'.$lang['lockedby'].':</strong> '.editorinfo($INFO['locked']).'</div></li>';
414    print '<li><div class="li"><strong>'.$lang['lockexpire'].':</strong> '.$expire.' ('.$min.' min)</div></li>';
415    print '</ul>';
416}
417
418/**
419 * list old revisions
420 *
421 * @author Andreas Gohr <andi@splitbrain.org>
422 * @author Ben Coburn <btcoburn@silicodon.net>
423 * @author Kate Arzamastseva <pshns@ukr.net>
424 */
425function html_revisions($first=0, $media_id = false){
426    global $ID;
427    global $INFO;
428    global $conf;
429    global $lang;
430    $id = $ID;
431    /* we need to get one additionally log entry to be able to
432     * decide if this is the last page or is there another one.
433     * see html_recent()
434     */
435    if (!$media_id) $revisions = getRevisions($ID, $first, $conf['recent']+1);
436    else {
437        $revisions = getRevisions($media_id, $first, $conf['recent']+1, 8192, true);
438        $id = $media_id;
439    }
440
441    if(count($revisions)==0 && $first!=0){
442        $first=0;
443        if (!$media_id) $revisions = getRevisions($ID, $first, $conf['recent']+1);
444        else $revisions = getRevisions($media_id, $first, $conf['recent']+1, 8192, true);
445    }
446    $hasNext = false;
447    if (count($revisions)>$conf['recent']) {
448        $hasNext = true;
449        array_pop($revisions); // remove extra log entry
450    }
451
452    if (!$media_id) $date = dformat($INFO['lastmod']);
453    else $date = dformat(@filemtime(mediaFN($id)));
454
455    if (!$media_id) print p_locale_xhtml('revisions');
456
457    $params = array('id' => 'page__revisions', 'class' => 'changes');
458    if ($media_id) $params['action'] = media_managerURL(array('image' => $media_id), '&');
459
460    $form = new Doku_Form($params);
461    $form->addElement(form_makeOpenTag('ul'));
462
463    if (!$media_id) $exists = $INFO['exists'];
464    else $exists = @file_exists(mediaFN($id));
465
466    $display_name = (!$media_id && useHeading('navigation')) ? hsc(p_get_first_heading($id)) : $id;
467    if (!$display_name) $display_name = $id;
468
469    if($exists && $first==0){
470        if (!$media_id && isset($INFO['meta']) && isset($INFO['meta']['last_change']) && $INFO['meta']['last_change']['type']===DOKU_CHANGE_TYPE_MINOR_EDIT)
471            $form->addElement(form_makeOpenTag('li', array('class' => 'minor')));
472        else
473            $form->addElement(form_makeOpenTag('li'));
474        $form->addElement(form_makeOpenTag('div', array('class' => 'li')));
475        $form->addElement(form_makeTag('input', array(
476                        'type' => 'checkbox',
477                        'name' => 'rev2[]',
478                        'value' => 'current')));
479
480        $form->addElement(form_makeOpenTag('span', array('class' => 'date')));
481        $form->addElement($date);
482        $form->addElement(form_makeCloseTag('span'));
483
484        $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
485
486        if (!$media_id) $href = wl($id);
487        else $href = media_managerURL(array('image' => $id, 'tab_details' => 'view'), '&');
488        $form->addElement(form_makeOpenTag('a', array(
489                        'class' => 'wikilink1',
490                        'href'  => $href)));
491        $form->addElement($display_name);
492        $form->addElement(form_makeCloseTag('a'));
493
494        if ($media_id) $form->addElement(form_makeOpenTag('div'));
495
496        if (!$media_id) {
497            $form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
498            $form->addElement(' – ');
499            $form->addElement(htmlspecialchars($INFO['sum']));
500            $form->addElement(form_makeCloseTag('span'));
501        }
502
503        $form->addElement(form_makeOpenTag('span', array('class' => 'user')));
504        if (!$media_id) $editor = $INFO['editor'];
505        else {
506            $revinfo = getRevisionInfo($id, @filemtime(fullpath(mediaFN($id))), 1024, true);
507            if($revinfo['user']){
508                $editor = $revinfo['user'];
509            }else{
510                $editor = $revinfo['ip'];
511            }
512        }
513        $form->addElement((empty($editor))?('('.$lang['external_edit'].')'):editorinfo($editor));
514        $form->addElement(form_makeCloseTag('span'));
515
516        $form->addElement('('.$lang['current'].')');
517
518        if ($media_id) $form->addElement(form_makeCloseTag('div'));
519
520        $form->addElement(form_makeCloseTag('div'));
521        $form->addElement(form_makeCloseTag('li'));
522    }
523
524    foreach($revisions as $rev){
525        $date = dformat($rev);
526        if (!$media_id) {
527            $info = getRevisionInfo($id,$rev,true);
528            $exists = page_exists($id,$rev);
529        }  else {
530            $info = getRevisionInfo($id,$rev,true,true);
531            $exists = @file_exists(mediaFN($id,$rev));
532        }
533
534        if ($info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT)
535            $form->addElement(form_makeOpenTag('li', array('class' => 'minor')));
536        else
537            $form->addElement(form_makeOpenTag('li'));
538        $form->addElement(form_makeOpenTag('div', array('class' => 'li')));
539        if($exists){
540            $form->addElement(form_makeTag('input', array(
541                            'type' => 'checkbox',
542                            'name' => 'rev2[]',
543                            'value' => $rev)));
544        }else{
545            $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
546        }
547
548        $form->addElement(form_makeOpenTag('span', array('class' => 'date')));
549        $form->addElement($date);
550        $form->addElement(form_makeCloseTag('span'));
551
552        if($exists){
553            if (!$media_id) $href = wl($id,"rev=$rev,do=diff", false, '&');
554            else $href = media_managerURL(array('image' => $id, 'rev' => $rev, 'mediado' => 'diff'), '&');
555            $form->addElement(form_makeOpenTag('a', array('href' => $href, 'class' => 'diff_link')));
556            $form->addElement(form_makeTag('img', array(
557                            'src'    => DOKU_BASE.'lib/images/diff.png',
558                            'width'  => 15,
559                            'height' => 11,
560                            'title'  => $lang['diff'],
561                            'alt'    => $lang['diff'])));
562            $form->addElement(form_makeCloseTag('a'));
563            if (!$media_id) $href = wl($id,"rev=$rev",false,'&');
564            else $href = media_managerURL(array('image' => $id, 'tab_details' => 'view', 'rev' => $rev), '&');
565            $form->addElement(form_makeOpenTag('a', array('href' => $href, 'class' => 'wikilink1')));
566            $form->addElement($display_name);
567            $form->addElement(form_makeCloseTag('a'));
568        }else{
569            $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
570            $form->addElement($display_name);
571        }
572
573        if ($media_id) $form->addElement(form_makeOpenTag('div'));
574
575        if ($info['sum']) {
576            $form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
577            if (!$media_id) $form->addElement(' – ');
578            $form->addElement(htmlspecialchars($info['sum']));
579            $form->addElement(form_makeCloseTag('span'));
580        }
581
582        $form->addElement(form_makeOpenTag('span', array('class' => 'user')));
583        if($info['user']){
584            $form->addElement(editorinfo($info['user']));
585            if(auth_ismanager()){
586                $form->addElement(' ('.$info['ip'].')');
587            }
588        }else{
589            $form->addElement($info['ip']);
590        }
591        $form->addElement(form_makeCloseTag('span'));
592
593        if ($media_id) $form->addElement(form_makeCloseTag('div'));
594
595        $form->addElement(form_makeCloseTag('div'));
596        $form->addElement(form_makeCloseTag('li'));
597    }
598    $form->addElement(form_makeCloseTag('ul'));
599    if (!$media_id) {
600        $form->addElement(form_makeButton('submit', 'diff', $lang['diff2']));
601    } else {
602        $form->addHidden('mediado', 'diff');
603        $form->addElement(form_makeButton('submit', '', $lang['diff2']));
604    }
605    html_form('revisions', $form);
606
607    print '<div class="pagenav">';
608    $last = $first + $conf['recent'];
609    if ($first > 0) {
610        $first -= $conf['recent'];
611        if ($first < 0) $first = 0;
612        print '<div class="pagenav-prev">';
613        if ($media_id) {
614            print html_btn('newer',$media_id,"p",media_managerURL(array('first' => $first), '&amp;', false, true));
615        } else {
616            print html_btn('newer',$id,"p",array('do' => 'revisions', 'first' => $first));
617        }
618        print '</div>';
619    }
620    if ($hasNext) {
621        print '<div class="pagenav-next">';
622        if ($media_id) {
623            print html_btn('older',$media_id,"n",media_managerURL(array('first' => $last), '&amp;', false, true));
624        } else {
625            print html_btn('older',$id,"n",array('do' => 'revisions', 'first' => $last));
626        }
627        print '</div>';
628    }
629    print '</div>';
630
631}
632
633/**
634 * display recent changes
635 *
636 * @author Andreas Gohr <andi@splitbrain.org>
637 * @author Matthias Grimm <matthiasgrimm@users.sourceforge.net>
638 * @author Ben Coburn <btcoburn@silicodon.net>
639 * @author Kate Arzamastseva <pshns@ukr.net>
640 */
641function html_recent($first=0, $show_changes='both'){
642    global $conf;
643    global $lang;
644    global $ID;
645    /* we need to get one additionally log entry to be able to
646     * decide if this is the last page or is there another one.
647     * This is the cheapest solution to get this information.
648     */
649    $flags = 0;
650    if ($show_changes == 'mediafiles' && $conf['mediarevisions']) {
651        $flags = RECENTS_MEDIA_CHANGES;
652    } elseif ($show_changes == 'pages') {
653        $flags = 0;
654    } elseif ($conf['mediarevisions']) {
655        $show_changes = 'both';
656        $flags = RECENTS_MEDIA_PAGES_MIXED;
657    }
658
659    $recents = getRecents($first,$conf['recent'] + 1,getNS($ID),$flags);
660    if(count($recents) == 0 && $first != 0){
661        $first=0;
662        $recents = getRecents($first,$conf['recent'] + 1,getNS($ID),$flags);
663    }
664    $hasNext = false;
665    if (count($recents)>$conf['recent']) {
666        $hasNext = true;
667        array_pop($recents); // remove extra log entry
668    }
669
670    print p_locale_xhtml('recent');
671
672    if (getNS($ID) != '')
673        print '<div class="level1"><p>' . sprintf($lang['recent_global'], getNS($ID), wl('', 'do=recent')) . '</p></div>';
674
675    $form = new Doku_Form(array('id' => 'dw__recent', 'method' => 'GET', 'class' => 'changes'));
676    $form->addHidden('sectok', null);
677    $form->addHidden('do', 'recent');
678    $form->addHidden('id', $ID);
679
680    if ($conf['mediarevisions']) {
681        $form->addElement('<div class="changeType">');
682        $form->addElement(form_makeListboxField(
683                    'show_changes',
684                    array(
685                        'pages'      => $lang['pages_changes'],
686                        'mediafiles' => $lang['media_changes'],
687                        'both'       => $lang['both_changes']),
688                    $show_changes,
689                    $lang['changes_type'],
690                    '','',
691                    array('class'=>'quickselect')));
692
693        $form->addElement(form_makeButton('submit', 'recent', $lang['btn_apply']));
694        $form->addElement('</div>');
695    }
696
697    $form->addElement(form_makeOpenTag('ul'));
698
699    foreach($recents as $recent){
700        $date = dformat($recent['date']);
701        if ($recent['type']===DOKU_CHANGE_TYPE_MINOR_EDIT)
702            $form->addElement(form_makeOpenTag('li', array('class' => 'minor')));
703        else
704            $form->addElement(form_makeOpenTag('li'));
705
706        $form->addElement(form_makeOpenTag('div', array('class' => 'li')));
707
708        if ($recent['media']) {
709            $form->addElement(media_printicon($recent['id']));
710        } else {
711            $icon = DOKU_BASE.'lib/images/fileicons/file.png';
712            $form->addElement('<img src="'.$icon.'" alt="'.$recent['id'].'" class="icon" />');
713        }
714
715        $form->addElement(form_makeOpenTag('span', array('class' => 'date')));
716        $form->addElement($date);
717        $form->addElement(form_makeCloseTag('span'));
718
719        $diff = false;
720        $href = '';
721
722        if ($recent['media']) {
723            $diff = (count(getRevisions($recent['id'], 0, 1, 8192, true)) && @file_exists(mediaFN($recent['id'])));
724            if ($diff) {
725                $href = media_managerURL(array('tab_details' => 'history',
726                    'mediado' => 'diff', 'image' => $recent['id'], 'ns' => getNS($recent['id'])), '&');
727            }
728        } else {
729            $href = wl($recent['id'],"do=diff", false, '&');
730        }
731
732        if ($recent['media'] && !$diff) {
733            $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
734        } else {
735            $form->addElement(form_makeOpenTag('a', array('class' => 'diff_link', 'href' => $href)));
736            $form->addElement(form_makeTag('img', array(
737                            'src'   => DOKU_BASE.'lib/images/diff.png',
738                            'width' => 15,
739                            'height'=> 11,
740                            'title' => $lang['diff'],
741                            'alt'   => $lang['diff']
742                            )));
743            $form->addElement(form_makeCloseTag('a'));
744        }
745
746        if ($recent['media']) {
747            $href = media_managerURL(array('tab_details' => 'history',
748                'image' => $recent['id'], 'ns' => getNS($recent['id'])), '&');
749        } else {
750            $href = wl($recent['id'],"do=revisions",false,'&');
751        }
752        $form->addElement(form_makeOpenTag('a', array('class' => 'revisions_link', 'href' => $href)));
753        $form->addElement(form_makeTag('img', array(
754                        'src'   => DOKU_BASE.'lib/images/history.png',
755                        'width' => 12,
756                        'height'=> 14,
757                        'title' => $lang['btn_revs'],
758                        'alt'   => $lang['btn_revs']
759                        )));
760        $form->addElement(form_makeCloseTag('a'));
761
762        if ($recent['media']) {
763            $href = media_managerURL(array('tab_details' => 'view', 'image' => $recent['id'], 'ns' => getNS($recent['id'])), '&');
764            $class = (file_exists(mediaFN($recent['id']))) ? 'wikilink1' : $class = 'wikilink2';
765            $form->addElement(form_makeOpenTag('a', array('class' => $class, 'href' => $href)));
766            $form->addElement($recent['id']);
767            $form->addElement(form_makeCloseTag('a'));
768        } else {
769            $form->addElement(html_wikilink(':'.$recent['id'],useHeading('navigation')?null:$recent['id']));
770        }
771        $form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
772        $form->addElement(' – '.htmlspecialchars($recent['sum']));
773        $form->addElement(form_makeCloseTag('span'));
774
775        $form->addElement(form_makeOpenTag('span', array('class' => 'user')));
776        if($recent['user']){
777            $form->addElement(editorinfo($recent['user']));
778            if(auth_ismanager()){
779                $form->addElement(' ('.$recent['ip'].')');
780            }
781        }else{
782            $form->addElement($recent['ip']);
783        }
784        $form->addElement(form_makeCloseTag('span'));
785
786        $form->addElement(form_makeCloseTag('div'));
787        $form->addElement(form_makeCloseTag('li'));
788    }
789    $form->addElement(form_makeCloseTag('ul'));
790
791    $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav')));
792    $last = $first + $conf['recent'];
793    if ($first > 0) {
794        $first -= $conf['recent'];
795        if ($first < 0) $first = 0;
796        $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav-prev')));
797        $form->addElement(form_makeTag('input', array(
798                    'type'  => 'submit',
799                    'name'  => 'first['.$first.']',
800                    'value' => $lang['btn_newer'],
801                    'accesskey' => 'n',
802                    'title' => $lang['btn_newer'].' [N]',
803                    'class' => 'button show'
804                    )));
805        $form->addElement(form_makeCloseTag('div'));
806    }
807    if ($hasNext) {
808        $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav-next')));
809        $form->addElement(form_makeTag('input', array(
810                        'type'  => 'submit',
811                        'name'  => 'first['.$last.']',
812                        'value' => $lang['btn_older'],
813                        'accesskey' => 'p',
814                        'title' => $lang['btn_older'].' [P]',
815                        'class' => 'button show'
816                        )));
817        $form->addElement(form_makeCloseTag('div'));
818    }
819    $form->addElement(form_makeCloseTag('div'));
820    html_form('recent', $form);
821}
822
823/**
824 * Display page index
825 *
826 * @author Andreas Gohr <andi@splitbrain.org>
827 */
828function html_index($ns){
829    global $conf;
830    global $ID;
831    $ns  = cleanID($ns);
832    #fixme use appropriate function
833    if(empty($ns)){
834        $ns = dirname(str_replace(':','/',$ID));
835        if($ns == '.') $ns ='';
836    }
837    $ns  = utf8_encodeFN(str_replace(':','/',$ns));
838
839    echo p_locale_xhtml('index');
840    echo '<div id="index__tree">';
841
842    $data = array();
843    search($data,$conf['datadir'],'search_index',array('ns' => $ns));
844    echo html_buildlist($data,'idx','html_list_index','html_li_index');
845
846    echo '</div>';
847}
848
849/**
850 * Index item formatter
851 *
852 * User function for html_buildlist()
853 *
854 * @author Andreas Gohr <andi@splitbrain.org>
855 */
856function html_list_index($item){
857    global $ID;
858    $ret = '';
859    $base = ':'.$item['id'];
860    $base = substr($base,strrpos($base,':')+1);
861    if($item['type']=='d'){
862        $ret .= '<a href="'.wl($ID,'idx='.rawurlencode($item['id'])).'" class="idx_dir"><strong>';
863        $ret .= $base;
864        $ret .= '</strong></a>';
865    }else{
866        // default is noNSorNS($id), but we want noNS($id) when useheading is off FS#2605
867        $ret .= html_wikilink(':'.$item['id'], useHeading('navigation') ? null : noNS($item['id']));
868    }
869    return $ret;
870}
871
872/**
873 * Index List item
874 *
875 * This user function is used in html_buildlist to build the
876 * <li> tags for namespaces when displaying the page index
877 * it gives different classes to opened or closed "folders"
878 *
879 * @author Andreas Gohr <andi@splitbrain.org>
880 */
881function html_li_index($item){
882    if($item['type'] == "f"){
883        return '<li class="level'.$item['level'].'">';
884    }elseif($item['open']){
885        return '<li class="open">';
886    }else{
887        return '<li class="closed">';
888    }
889}
890
891/**
892 * Default List item
893 *
894 * @author Andreas Gohr <andi@splitbrain.org>
895 */
896function html_li_default($item){
897    return '<li class="level'.$item['level'].'">';
898}
899
900/**
901 * Build an unordered list
902 *
903 * Build an unordered list from the given $data array
904 * Each item in the array has to have a 'level' property
905 * the item itself gets printed by the given $func user
906 * function. The second and optional function is used to
907 * print the <li> tag. Both user function need to accept
908 * a single item.
909 *
910 * Both user functions can be given as array to point to
911 * a member of an object.
912 *
913 * @author Andreas Gohr <andi@splitbrain.org>
914 */
915function html_buildlist($data,$class,$func,$lifunc='html_li_default',$forcewrapper=false){
916    if (count($data) === 0) {
917        return '';
918    }
919
920    $start_level = $data[0]['level'];
921    $level = $start_level;
922    $ret   = '';
923    $open  = 0;
924
925    foreach ($data as $item){
926
927        if( $item['level'] > $level ){
928            //open new list
929            for($i=0; $i<($item['level'] - $level); $i++){
930                if ($i) $ret .= "<li class=\"clear\">";
931                $ret .= "\n<ul class=\"$class\">\n";
932                $open++;
933            }
934            $level = $item['level'];
935
936        }elseif( $item['level'] < $level ){
937            //close last item
938            $ret .= "</li>\n";
939            while( $level > $item['level'] && $open > 0 ){
940                //close higher lists
941                $ret .= "</ul>\n</li>\n";
942                $level--;
943                $open--;
944            }
945        } elseif ($ret !== '') {
946            //close previous item
947            $ret .= "</li>\n";
948        }
949
950        //print item
951        $ret .= call_user_func($lifunc,$item);
952        $ret .= '<div class="li">';
953
954        $ret .= call_user_func($func,$item);
955        $ret .= '</div>';
956    }
957
958    //close remaining items and lists
959    $ret .= "</li>\n";
960    while($open-- > 0) {
961        $ret .= "</ul></li>\n";
962    }
963
964    if ($forcewrapper || $start_level < 2) {
965        // Trigger building a wrapper ul if the first level is
966        // 0 (we have a root object) or 1 (just the root content)
967        $ret = "\n<ul class=\"$class\">\n".$ret."</ul>\n";
968    }
969
970    return $ret;
971}
972
973/**
974 * display backlinks
975 *
976 * @author Andreas Gohr <andi@splitbrain.org>
977 * @author Michael Klier <chi@chimeric.de>
978 */
979function html_backlinks(){
980    global $ID;
981    global $lang;
982
983    print p_locale_xhtml('backlinks');
984
985    $data = ft_backlinks($ID);
986
987    if(!empty($data)) {
988        print '<ul class="idx">';
989        foreach($data as $blink){
990            print '<li><div class="li">';
991            print html_wikilink(':'.$blink,useHeading('navigation')?null:$blink);
992            print '</div></li>';
993        }
994        print '</ul>';
995    } else {
996        print '<div class="level1"><p>' . $lang['nothingfound'] . '</p></div>';
997    }
998}
999
1000/**
1001 * Get header of diff HTML
1002 * @param string $l_rev   Left revisions
1003 * @param string $r_rev   Right revision
1004 * @param string $id      Page id, if null $ID is used
1005 * @param bool   $media   If it is for media files
1006 * @return array HTML snippets for diff header
1007 */
1008function html_diff_head($l_rev, $r_rev, $id = null, $media = false) {
1009    global $lang;
1010    if ($id === null) {
1011        global $ID;
1012        $id = $ID;
1013    }
1014    $media_or_wikiFN = $media ? 'mediaFN' : 'wikiFN';
1015    $ml_or_wl = $media ? 'ml' : 'wl';
1016    $l_minor = $r_minor = '';
1017
1018    if(!$l_rev){
1019        $l_head = '&mdash;';
1020    }else{
1021        $l_info   = getRevisionInfo($id,$l_rev,true, $media);
1022        if($l_info['user']){
1023            $l_user = editorinfo($l_info['user']);
1024            if(auth_ismanager()) $l_user .= ' ('.$l_info['ip'].')';
1025        } else {
1026            $l_user = $l_info['ip'];
1027        }
1028        $l_user  = '<span class="user">'.$l_user.'</span>';
1029        $l_sum   = ($l_info['sum']) ? '<span class="sum">'.hsc($l_info['sum']).'</span>' : '';
1030        if ($l_info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT) $l_minor = 'class="minor"';
1031
1032        $l_head_title = ($media) ? dformat($l_rev) : $id.' ['.dformat($l_rev).']';
1033        $l_head = '<a class="wikilink1" href="'.$ml_or_wl($id,"rev=$l_rev").'">'.
1034        $l_head_title.'</a>'.
1035        '<br />'.$l_user.' '.$l_sum;
1036    }
1037
1038    if($r_rev){
1039        $r_info   = getRevisionInfo($id,$r_rev,true, $media);
1040        if($r_info['user']){
1041            $r_user = editorinfo($r_info['user']);
1042            if(auth_ismanager()) $r_user .= ' ('.$r_info['ip'].')';
1043        } else {
1044            $r_user = $r_info['ip'];
1045        }
1046        $r_user = '<span class="user">'.$r_user.'</span>';
1047        $r_sum  = ($r_info['sum']) ? '<span class="sum">'.hsc($r_info['sum']).'</span>' : '';
1048        if ($r_info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT) $r_minor = 'class="minor"';
1049
1050        $r_head_title = ($media) ? dformat($r_rev) : $id.' ['.dformat($r_rev).']';
1051        $r_head = '<a class="wikilink1" href="'.$ml_or_wl($id,"rev=$r_rev").'">'.
1052        $r_head_title.'</a>'.
1053        '<br />'.$r_user.' '.$r_sum;
1054    }elseif($_rev = @filemtime($media_or_wikiFN($id))){
1055        $_info   = getRevisionInfo($id,$_rev,true, $media);
1056        if($_info['user']){
1057            $_user = editorinfo($_info['user']);
1058            if(auth_ismanager()) $_user .= ' ('.$_info['ip'].')';
1059        } else {
1060            $_user = $_info['ip'];
1061        }
1062        $_user = '<span class="user">'.$_user.'</span>';
1063        $_sum  = ($_info['sum']) ? '<span class="sum">'.hsc($_info['sum']).'</span>' : '';
1064        if ($_info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT) $r_minor = 'class="minor"';
1065
1066        $r_head_title = ($media) ? dformat($_rev) : $id.' ['.dformat($_rev).']';
1067        $r_head  = '<a class="wikilink1" href="'.$ml_or_wl($id).'">'.
1068        $r_head_title.'</a> '.
1069        '('.$lang['current'].')'.
1070        '<br />'.$_user.' '.$_sum;
1071    }else{
1072        $r_head = '&mdash; ('.$lang['current'].')';
1073    }
1074
1075    return array($l_head, $r_head, $l_minor, $r_minor);
1076}
1077
1078/**
1079 * show diff
1080 *
1081 * @author Andreas Gohr <andi@splitbrain.org>
1082 * @param  string $text - compare with this text with most current version
1083 * @param  bool   $intro - display the intro text
1084 * @param  string $type type of the diff (inline or sidebyside)
1085 */
1086function html_diff($text='',$intro=true,$type=null){
1087    global $ID;
1088    global $REV;
1089    global $lang;
1090    global $INPUT;
1091
1092    if(!$type) $type = $INPUT->str('difftype');
1093    if($type != 'inline') $type = 'sidebyside';
1094
1095    // we're trying to be clever here, revisions to compare can be either
1096    // given as rev and rev2 parameters, with rev2 being optional. Or in an
1097    // array in rev2.
1098    $rev1 = $REV;
1099
1100    $rev2 = $INPUT->ref('rev2');
1101    if(is_array($rev2)){
1102        $rev1 = (int) $rev2[0];
1103        $rev2 = (int) $rev2[1];
1104
1105        if(!$rev1){
1106            $rev1 = $rev2;
1107            unset($rev2);
1108        }
1109    }else{
1110        $rev2 = $INPUT->int('rev2');
1111    }
1112
1113    $r_minor = '';
1114    $l_minor = '';
1115
1116    if($text){                      // compare text to the most current revision
1117        $l_rev   = '';
1118        $l_text  = rawWiki($ID,'');
1119        $l_head  = '<a class="wikilink1" href="'.wl($ID).'">'.
1120            $ID.' '.dformat((int) @filemtime(wikiFN($ID))).'</a> '.
1121            $lang['current'];
1122
1123        $r_rev   = '';
1124        $r_text  = cleanText($text);
1125        $r_head  = $lang['yours'];
1126    }else{
1127        if($rev1 && isset($rev2) && $rev2){            // two specific revisions wanted
1128            // make sure order is correct (older on the left)
1129            if($rev1 < $rev2){
1130                $l_rev = $rev1;
1131                $r_rev = $rev2;
1132            }else{
1133                $l_rev = $rev2;
1134                $r_rev = $rev1;
1135            }
1136        }elseif($rev1){                // single revision given, compare to current
1137            $r_rev = '';
1138            $l_rev = $rev1;
1139        }else{                        // no revision was given, compare previous to current
1140            $r_rev = '';
1141            $revs = getRevisions($ID, 0, 1);
1142            $l_rev = $revs[0];
1143            $REV = $l_rev; // store revision back in $REV
1144        }
1145
1146        // when both revisions are empty then the page was created just now
1147        if(!$l_rev && !$r_rev){
1148            $l_text = '';
1149        }else{
1150            $l_text = rawWiki($ID,$l_rev);
1151        }
1152        $r_text = rawWiki($ID,$r_rev);
1153
1154        //look for previous/next revision
1155        if($r_rev) {
1156            $next_rev = getRelativeRevision($ID, $r_rev, 1);
1157        } else {
1158            $next_rev = false;
1159        }
1160        if($l_rev) {
1161            $prev_rev = getRelativeRevision($ID, $l_rev, -1);
1162        } else {
1163            $prev_rev = false;
1164        }
1165
1166        list($l_head, $r_head, $l_minor, $r_minor) = html_diff_head($l_rev, $r_rev);
1167    }
1168
1169    $df = new Diff(explode("\n",htmlspecialchars($l_text)),
1170        explode("\n",htmlspecialchars($r_text)));
1171
1172    if($type == 'inline'){
1173        $tdf = new InlineDiffFormatter();
1174    } else {
1175        $tdf = new TableDiffFormatter();
1176    }
1177
1178    if($intro) print p_locale_xhtml('diff');
1179
1180    if (!$text) {
1181        ptln('<div class="diffoptions">');
1182
1183        $form = new Doku_Form(array('action'=>wl()));
1184        $form->addHidden('id',$ID);
1185        $form->addHidden('rev2[0]',$l_rev);
1186        $form->addHidden('rev2[1]',$r_rev);
1187        $form->addHidden('do','diff');
1188        $form->addElement(form_makeListboxField(
1189                            'difftype',
1190                            array(
1191                                'sidebyside' => $lang['diff_side'],
1192                                'inline'     => $lang['diff_inline']),
1193                            $type,
1194                            $lang['diff_type'],
1195                            '','',
1196                            array('class'=>'quickselect')));
1197        $form->addElement(form_makeButton('submit', 'diff','Go'));
1198        $form->printForm();
1199
1200        $diffurl = wl($ID, array(
1201                        'do'       => 'diff',
1202                        'rev2[0]'  => $l_rev,
1203                        'rev2[1]'  => $r_rev,
1204                        'difftype' => $type,
1205                      ));
1206        ptln('<p><a class="wikilink1" href="'.$diffurl.'">'.$lang['difflink'].'</a><br />');
1207        if($prev_rev){
1208            $diffurlprev = wl($ID, array(
1209                                'do'       => 'diff',
1210                                'rev2[0]'  => $prev_rev,
1211                                'rev2[1]'  => $l_rev,
1212                                'difftype' => $type,
1213                              ));
1214            ptln('<a class="wikilink1" href="'.$diffurlprev.'">← '.$lang['diffpreviousedit'].'</a> - ');
1215        }
1216        $recenturl = wl($ID, array(
1217                        'do'       => 'revisions'
1218                      ));
1219        ptln('<a class="wikilink1" href="'.$recenturl.'">'.$lang['overviewrevs'].'</a>');
1220        if($next_rev){
1221            if($next_rev=='current') {
1222                $diffurlnextparam = array(
1223                                'do'       => 'diff',
1224                                'rev'      => $r_rev,
1225                                'difftype' => $type,
1226                           );
1227                $navnexttitle = $lang['difflastedit'];
1228            } else {
1229                $diffurlnextparam = array(
1230                                'do'       => 'diff',
1231                                'rev2[0]'  => $r_rev,
1232                                'rev2[1]'  => $next_rev,
1233                                'difftype' => $type,
1234                           );
1235                $navnexttitle = $lang['diffnextedit'];
1236            }
1237            ptln(' - <a class="wikilink1" href="'.wl($ID, $diffurlnextparam).'">'.$navnexttitle.' →</a>');
1238        }
1239        ptln('</p>');
1240        ptln('</div>');
1241    }
1242    ?>
1243    <div class="table">
1244    <table class="diff diff_<?php echo $type?>">
1245    <tr>
1246    <th colspan="2" <?php echo $l_minor?>>
1247    <?php echo $l_head?>
1248    </th>
1249    <th colspan="2" <?php echo $r_minor?>>
1250    <?php echo $r_head?>
1251    </th>
1252    </tr>
1253    <?php echo $tdf->format($df)?>
1254    </table>
1255    </div>
1256    <?php
1257}
1258
1259/**
1260 * show warning on conflict detection
1261 *
1262 * @author Andreas Gohr <andi@splitbrain.org>
1263 */
1264function html_conflict($text,$summary){
1265    global $ID;
1266    global $lang;
1267
1268    print p_locale_xhtml('conflict');
1269    $form = new Doku_Form(array('id' => 'dw__editform'));
1270    $form->addHidden('id', $ID);
1271    $form->addHidden('wikitext', $text);
1272    $form->addHidden('summary', $summary);
1273    $form->addElement(form_makeButton('submit', 'save', $lang['btn_save'], array('accesskey'=>'s')));
1274    $form->addElement(form_makeButton('submit', 'cancel', $lang['btn_cancel']));
1275    html_form('conflict', $form);
1276    print '<br /><br /><br /><br />'.NL;
1277}
1278
1279/**
1280 * Prints the global message array
1281 *
1282 * @author Andreas Gohr <andi@splitbrain.org>
1283 */
1284function html_msgarea(){
1285    global $MSG, $MSG_shown;
1286    /** @var array $MSG */
1287    // store if the global $MSG has already been shown and thus HTML output has been started
1288    $MSG_shown = true;
1289
1290    if(!isset($MSG)) return;
1291
1292    $shown = array();
1293    foreach($MSG as $msg){
1294        $hash = md5($msg['msg']);
1295        if(isset($shown[$hash])) continue; // skip double messages
1296        print '<div class="'.$msg['lvl'].'">';
1297        print $msg['msg'];
1298        print '</div>';
1299        $shown[$hash] = 1;
1300    }
1301
1302    unset($GLOBALS['MSG']);
1303}
1304
1305/**
1306 * Prints the registration form
1307 *
1308 * @author Andreas Gohr <andi@splitbrain.org>
1309 */
1310function html_register(){
1311    global $lang;
1312    global $conf;
1313    global $INPUT;
1314
1315    print p_locale_xhtml('register');
1316    print '<div class="centeralign">'.NL;
1317    $form = new Doku_Form(array('id' => 'dw__register'));
1318    $form->startFieldset($lang['btn_register']);
1319    $form->addHidden('do', 'register');
1320    $form->addHidden('save', '1');
1321    $form->addElement(form_makeTextField('login', $INPUT->post->str('login'), $lang['user'], '', 'block', array('size'=>'50')));
1322    if (!$conf['autopasswd']) {
1323        $form->addElement(form_makePasswordField('pass', $lang['pass'], '', 'block', array('size'=>'50')));
1324        $form->addElement(form_makePasswordField('passchk', $lang['passchk'], '', 'block', array('size'=>'50')));
1325    }
1326    $form->addElement(form_makeTextField('fullname', $INPUT->post->str('fullname'), $lang['fullname'], '', 'block', array('size'=>'50')));
1327    $form->addElement(form_makeTextField('email', $INPUT->post->str('email'), $lang['email'], '', 'block', array('size'=>'50')));
1328    $form->addElement(form_makeButton('submit', '', $lang['btn_register']));
1329    $form->endFieldset();
1330    html_form('register', $form);
1331
1332    print '</div>'.NL;
1333}
1334
1335/**
1336 * Print the update profile form
1337 *
1338 * @author Christopher Smith <chris@jalakai.co.uk>
1339 * @author Andreas Gohr <andi@splitbrain.org>
1340 */
1341function html_updateprofile(){
1342    global $lang;
1343    global $conf;
1344    global $INPUT;
1345    global $INFO;
1346    /** @var auth_basic $auth */
1347    global $auth;
1348
1349    print p_locale_xhtml('updateprofile');
1350
1351    $fullname = $INPUT->post->str('fullname', $INFO['userinfo']['name'], true);
1352    $email = $INPUT->post->str('email', $INFO['userinfo']['mail'], true);
1353    print '<div class="centeralign">'.NL;
1354    $form = new Doku_Form(array('id' => 'dw__register'));
1355    $form->startFieldset($lang['profile']);
1356    $form->addHidden('do', 'profile');
1357    $form->addHidden('save', '1');
1358    $form->addElement(form_makeTextField('login', $_SERVER['REMOTE_USER'], $lang['user'], '', 'block', array('size'=>'50', 'disabled'=>'disabled')));
1359    $attr = array('size'=>'50');
1360    if (!$auth->canDo('modName')) $attr['disabled'] = 'disabled';
1361    $form->addElement(form_makeTextField('fullname', $fullname, $lang['fullname'], '', 'block', $attr));
1362    $attr = array('size'=>'50');
1363    if (!$auth->canDo('modMail')) $attr['disabled'] = 'disabled';
1364    $form->addElement(form_makeTextField('email', $email, $lang['email'], '', 'block', $attr));
1365    $form->addElement(form_makeTag('br'));
1366    if ($auth->canDo('modPass')) {
1367        $form->addElement(form_makePasswordField('newpass', $lang['newpass'], '', 'block', array('size'=>'50')));
1368        $form->addElement(form_makePasswordField('passchk', $lang['passchk'], '', 'block', array('size'=>'50')));
1369    }
1370    if ($conf['profileconfirm']) {
1371        $form->addElement(form_makeTag('br'));
1372        $form->addElement(form_makePasswordField('oldpass', $lang['oldpass'], '', 'block', array('size'=>'50')));
1373    }
1374    $form->addElement(form_makeButton('submit', '', $lang['btn_save']));
1375    $form->addElement(form_makeButton('reset', '', $lang['btn_reset']));
1376    $form->endFieldset();
1377    html_form('updateprofile', $form);
1378    print '</div>'.NL;
1379}
1380
1381/**
1382 * Preprocess edit form data
1383 *
1384 * @author   Andreas Gohr <andi@splitbrain.org>
1385 *
1386 * @triggers HTML_EDITFORM_OUTPUT
1387 */
1388function html_edit(){
1389    global $INPUT;
1390    global $ID;
1391    global $REV;
1392    global $DATE;
1393    global $PRE;
1394    global $SUF;
1395    global $INFO;
1396    global $SUM;
1397    global $lang;
1398    global $conf;
1399    global $TEXT;
1400    global $RANGE;
1401
1402    if ($INPUT->has('changecheck')) {
1403        $check = $INPUT->str('changecheck');
1404    } elseif(!$INFO['exists']){
1405        // $TEXT has been loaded from page template
1406        $check = md5('');
1407    } else {
1408        $check = md5($TEXT);
1409    }
1410    $mod = md5($TEXT) !== $check;
1411
1412    $wr = $INFO['writable'] && !$INFO['locked'];
1413    $include = 'edit';
1414    if($wr){
1415        if ($REV) $include = 'editrev';
1416    }else{
1417        // check pseudo action 'source'
1418        if(!actionOK('source')){
1419            msg('Command disabled: source',-1);
1420            return;
1421        }
1422        $include = 'read';
1423    }
1424
1425    global $license;
1426
1427    $form = new Doku_Form(array('id' => 'dw__editform'));
1428    $form->addHidden('id', $ID);
1429    $form->addHidden('rev', $REV);
1430    $form->addHidden('date', $DATE);
1431    $form->addHidden('prefix', $PRE . '.');
1432    $form->addHidden('suffix', $SUF);
1433    $form->addHidden('changecheck', $check);
1434
1435    $data = array('form' => $form,
1436                  'wr'   => $wr,
1437                  'media_manager' => true,
1438                  'target' => ($INPUT->has('target') && $wr) ? $INPUT->str('target') : 'section',
1439                  'intro_locale' => $include);
1440
1441    if ($data['target'] !== 'section') {
1442        // Only emit event if page is writable, section edit data is valid and
1443        // edit target is not section.
1444        trigger_event('HTML_EDIT_FORMSELECTION', $data, 'html_edit_form', true);
1445    } else {
1446        html_edit_form($data);
1447    }
1448    if (isset($data['intro_locale'])) {
1449        echo p_locale_xhtml($data['intro_locale']);
1450    }
1451
1452    $form->addHidden('target', $data['target']);
1453    $form->addElement(form_makeOpenTag('div', array('id'=>'wiki__editbar', 'class'=>'editBar')));
1454    $form->addElement(form_makeOpenTag('div', array('id'=>'size__ctl')));
1455    $form->addElement(form_makeCloseTag('div'));
1456    if ($wr) {
1457        $form->addElement(form_makeOpenTag('div', array('class'=>'editButtons')));
1458        $form->addElement(form_makeButton('submit', 'save', $lang['btn_save'], array('id'=>'edbtn__save', 'accesskey'=>'s', 'tabindex'=>'4')));
1459        $form->addElement(form_makeButton('submit', 'preview', $lang['btn_preview'], array('id'=>'edbtn__preview', 'accesskey'=>'p', 'tabindex'=>'5')));
1460        $form->addElement(form_makeButton('submit', 'draftdel', $lang['btn_cancel'], array('tabindex'=>'6')));
1461        $form->addElement(form_makeCloseTag('div'));
1462        $form->addElement(form_makeOpenTag('div', array('class'=>'summary')));
1463        $form->addElement(form_makeTextField('summary', $SUM, $lang['summary'], 'edit__summary', 'nowrap', array('size'=>'50', 'tabindex'=>'2')));
1464        $elem = html_minoredit();
1465        if ($elem) $form->addElement($elem);
1466        $form->addElement(form_makeCloseTag('div'));
1467    }
1468    $form->addElement(form_makeCloseTag('div'));
1469    if($wr && $conf['license']){
1470        $form->addElement(form_makeOpenTag('div', array('class'=>'license')));
1471        $out  = $lang['licenseok'];
1472        $out .= ' <a href="'.$license[$conf['license']]['url'].'" rel="license" class="urlextern"';
1473        if($conf['target']['extern']) $out .= ' target="'.$conf['target']['extern'].'"';
1474        $out .= '>'.$license[$conf['license']]['name'].'</a>';
1475        $form->addElement($out);
1476        $form->addElement(form_makeCloseTag('div'));
1477    }
1478
1479    if ($wr) {
1480        // sets changed to true when previewed
1481        echo '<script type="text/javascript">/*<![CDATA[*/'. NL;
1482        echo 'textChanged = ' . ($mod ? 'true' : 'false');
1483        echo '/*!]]>*/</script>' . NL;
1484    } ?>
1485    <div class="editBox">
1486
1487    <div class="toolbar">
1488        <div id="draft__status"><?php if(!empty($INFO['draft'])) echo $lang['draftdate'].' '.dformat();?></div>
1489        <div id="tool__bar"><?php if ($wr && $data['media_manager']){?><a href="<?php echo DOKU_BASE?>lib/exe/mediamanager.php?ns=<?php echo $INFO['namespace']?>"
1490            target="_blank"><?php echo $lang['mediaselect'] ?></a><?php }?></div>
1491    </div>
1492    <?php
1493
1494    html_form('edit', $form);
1495    print '</div>'.NL;
1496}
1497
1498/**
1499 * Display the default edit form
1500 *
1501 * Is the default action for HTML_EDIT_FORMSELECTION.
1502 */
1503function html_edit_form($param) {
1504    global $TEXT;
1505
1506    if ($param['target'] !== 'section') {
1507        msg('No editor for edit target ' . hsc($param['target']) . ' found.', -1);
1508    }
1509
1510    $attr = array('tabindex'=>'1');
1511    if (!$param['wr']) $attr['readonly'] = 'readonly';
1512
1513    $param['form']->addElement(form_makeWikiText($TEXT, $attr));
1514}
1515
1516/**
1517 * Adds a checkbox for minor edits for logged in users
1518 *
1519 * @author Andreas Gohr <andi@splitbrain.org>
1520 */
1521function html_minoredit(){
1522    global $conf;
1523    global $lang;
1524    global $INPUT;
1525    // minor edits are for logged in users only
1526    if(!$conf['useacl'] || !$_SERVER['REMOTE_USER']){
1527        return false;
1528    }
1529
1530    $p = array();
1531    $p['tabindex'] = 3;
1532    if($INPUT->bool('minor')) $p['checked']='checked';
1533    return form_makeCheckboxField('minor', '1', $lang['minoredit'], 'minoredit', 'nowrap', $p);
1534}
1535
1536/**
1537 * prints some debug info
1538 *
1539 * @author Andreas Gohr <andi@splitbrain.org>
1540 */
1541function html_debug(){
1542    global $conf;
1543    global $lang;
1544    /** @var auth_basic $auth */
1545    global $auth;
1546    global $INFO;
1547
1548    //remove sensitive data
1549    $cnf = $conf;
1550    debug_guard($cnf);
1551    $nfo = $INFO;
1552    debug_guard($nfo);
1553    $ses = $_SESSION;
1554    debug_guard($ses);
1555
1556    print '<html><body>';
1557
1558    print '<p>When reporting bugs please send all the following ';
1559    print 'output as a mail to andi@splitbrain.org ';
1560    print 'The best way to do this is to save this page in your browser</p>';
1561
1562    print '<b>$INFO:</b><pre>';
1563    print_r($nfo);
1564    print '</pre>';
1565
1566    print '<b>$_SERVER:</b><pre>';
1567    print_r($_SERVER);
1568    print '</pre>';
1569
1570    print '<b>$conf:</b><pre>';
1571    print_r($cnf);
1572    print '</pre>';
1573
1574    print '<b>DOKU_BASE:</b><pre>';
1575    print DOKU_BASE;
1576    print '</pre>';
1577
1578    print '<b>abs DOKU_BASE:</b><pre>';
1579    print DOKU_URL;
1580    print '</pre>';
1581
1582    print '<b>rel DOKU_BASE:</b><pre>';
1583    print dirname($_SERVER['PHP_SELF']).'/';
1584    print '</pre>';
1585
1586    print '<b>PHP Version:</b><pre>';
1587    print phpversion();
1588    print '</pre>';
1589
1590    print '<b>locale:</b><pre>';
1591    print setlocale(LC_ALL,0);
1592    print '</pre>';
1593
1594    print '<b>encoding:</b><pre>';
1595    print $lang['encoding'];
1596    print '</pre>';
1597
1598    if($auth){
1599        print '<b>Auth backend capabilities:</b><pre>';
1600        print_r($auth->cando);
1601        print '</pre>';
1602    }
1603
1604    print '<b>$_SESSION:</b><pre>';
1605    print_r($ses);
1606    print '</pre>';
1607
1608    print '<b>Environment:</b><pre>';
1609    print_r($_ENV);
1610    print '</pre>';
1611
1612    print '<b>PHP settings:</b><pre>';
1613    $inis = ini_get_all();
1614    print_r($inis);
1615    print '</pre>';
1616
1617    print '</body></html>';
1618}
1619
1620/**
1621 * List available Administration Tasks
1622 *
1623 * @author Andreas Gohr <andi@splitbrain.org>
1624 * @author Håkan Sandell <hakan.sandell@home.se>
1625 */
1626function html_admin(){
1627    global $ID;
1628    global $INFO;
1629    global $conf;
1630    /** @var auth_basic $auth */
1631    global $auth;
1632
1633    // build menu of admin functions from the plugins that handle them
1634    $pluginlist = plugin_list('admin');
1635    $menu = array();
1636    foreach ($pluginlist as $p) {
1637        /** @var DokuWiki_Admin_Plugin $obj */
1638        if($obj =& plugin_load('admin',$p) === null) continue;
1639
1640        // check permissions
1641        if($obj->forAdminOnly() && !$INFO['isadmin']) continue;
1642
1643        $menu[$p] = array('plugin' => $p,
1644                'prompt' => $obj->getMenuText($conf['lang']),
1645                'sort' => $obj->getMenuSort()
1646                );
1647    }
1648
1649    // data security check
1650    // @todo: could be checked and only displayed if $conf['savedir'] is under the web root
1651    echo '<a style="border:none; float:right;"
1652            href="http://www.dokuwiki.org/security#web_access_security">
1653            <img src="data/security.png" alt="Your data directory seems to be protected properly."
1654             onerror="this.parentNode.style.display=\'none\'" /></a>';
1655
1656    print p_locale_xhtml('admin');
1657
1658    // Admin Tasks
1659    if($INFO['isadmin']){
1660        ptln('<ul class="admin_tasks">');
1661
1662        if($menu['usermanager'] && $auth && $auth->canDo('getUsers')){
1663            ptln('  <li class="admin_usermanager"><div class="li">'.
1664                    '<a href="'.wl($ID, array('do' => 'admin','page' => 'usermanager')).'">'.
1665                    $menu['usermanager']['prompt'].'</a></div></li>');
1666        }
1667        unset($menu['usermanager']);
1668
1669        if($menu['acl']){
1670            ptln('  <li class="admin_acl"><div class="li">'.
1671                    '<a href="'.wl($ID, array('do' => 'admin','page' => 'acl')).'">'.
1672                    $menu['acl']['prompt'].'</a></div></li>');
1673        }
1674        unset($menu['acl']);
1675
1676        if($menu['plugin']){
1677            ptln('  <li class="admin_plugin"><div class="li">'.
1678                    '<a href="'.wl($ID, array('do' => 'admin','page' => 'plugin')).'">'.
1679                    $menu['plugin']['prompt'].'</a></div></li>');
1680        }
1681        unset($menu['plugin']);
1682
1683        if($menu['config']){
1684            ptln('  <li class="admin_config"><div class="li">'.
1685                    '<a href="'.wl($ID, array('do' => 'admin','page' => 'config')).'">'.
1686                    $menu['config']['prompt'].'</a></div></li>');
1687        }
1688        unset($menu['config']);
1689    }
1690    ptln('</ul>');
1691
1692    // Manager Tasks
1693    ptln('<ul class="admin_tasks">');
1694
1695    if($menu['revert']){
1696        ptln('  <li class="admin_revert"><div class="li">'.
1697                '<a href="'.wl($ID, array('do' => 'admin','page' => 'revert')).'">'.
1698                $menu['revert']['prompt'].'</a></div></li>');
1699    }
1700    unset($menu['revert']);
1701
1702    if($menu['popularity']){
1703        ptln('  <li class="admin_popularity"><div class="li">'.
1704                '<a href="'.wl($ID, array('do' => 'admin','page' => 'popularity')).'">'.
1705                $menu['popularity']['prompt'].'</a></div></li>');
1706    }
1707    unset($menu['popularity']);
1708
1709    // print DokuWiki version:
1710    ptln('</ul>');
1711    echo '<div id="admin__version">';
1712    echo getVersion();
1713    echo '</div>';
1714
1715    // print the rest as sorted list
1716    if(count($menu)){
1717        usort($menu, 'p_sort_modes');
1718        // output the menu
1719        ptln('<div class="clearer"></div>');
1720        print p_locale_xhtml('adminplugins');
1721        ptln('<ul>');
1722        foreach ($menu as $item) {
1723            if (!$item['prompt']) continue;
1724            ptln('  <li><div class="li"><a href="'.wl($ID, 'do=admin&amp;page='.$item['plugin']).'">'.$item['prompt'].'</a></div></li>');
1725        }
1726        ptln('</ul>');
1727    }
1728}
1729
1730/**
1731 * Form to request a new password for an existing account
1732 *
1733 * @author Benoit Chesneau <benoit@bchesneau.info>
1734 * @author Andreas Gohr <gohr@cosmocode.de>
1735 */
1736function html_resendpwd() {
1737    global $lang;
1738    global $conf;
1739    global $INPUT;
1740
1741    $token = preg_replace('/[^a-f0-9]+/','',$INPUT->str('pwauth'));
1742
1743    if(!$conf['autopasswd'] && $token){
1744        print p_locale_xhtml('resetpwd');
1745        print '<div class="centeralign">'.NL;
1746        $form = new Doku_Form(array('id' => 'dw__resendpwd'));
1747        $form->startFieldset($lang['btn_resendpwd']);
1748        $form->addHidden('token', $token);
1749        $form->addHidden('do', 'resendpwd');
1750
1751        $form->addElement(form_makePasswordField('pass', $lang['pass'], '', 'block', array('size'=>'50')));
1752        $form->addElement(form_makePasswordField('passchk', $lang['passchk'], '', 'block', array('size'=>'50')));
1753
1754        $form->addElement(form_makeButton('submit', '', $lang['btn_resendpwd']));
1755        $form->endFieldset();
1756        html_form('resendpwd', $form);
1757        print '</div>'.NL;
1758    }else{
1759        print p_locale_xhtml('resendpwd');
1760        print '<div class="centeralign">'.NL;
1761        $form = new Doku_Form(array('id' => 'dw__resendpwd'));
1762        $form->startFieldset($lang['resendpwd']);
1763        $form->addHidden('do', 'resendpwd');
1764        $form->addHidden('save', '1');
1765        $form->addElement(form_makeTag('br'));
1766        $form->addElement(form_makeTextField('login', $INPUT->post->str('login'), $lang['user'], '', 'block'));
1767        $form->addElement(form_makeTag('br'));
1768        $form->addElement(form_makeTag('br'));
1769        $form->addElement(form_makeButton('submit', '', $lang['btn_resendpwd']));
1770        $form->endFieldset();
1771        html_form('resendpwd', $form);
1772        print '</div>'.NL;
1773    }
1774}
1775
1776/**
1777 * Return the TOC rendered to XHTML
1778 *
1779 * @author Andreas Gohr <andi@splitbrain.org>
1780 */
1781function html_TOC($toc){
1782    if(!count($toc)) return '';
1783    global $lang;
1784    $out  = '<!-- TOC START -->'.DOKU_LF;
1785    $out .= '<div id="dw__toc">'.DOKU_LF;
1786    $out .= '<h3 class="toggle">';
1787    $out .= $lang['toc'];
1788    $out .= '</h3>'.DOKU_LF;
1789    $out .= '<div>'.DOKU_LF;
1790    $out .= html_buildlist($toc,'toc','html_list_toc','html_li_default',true);
1791    $out .= '</div>'.DOKU_LF.'</div>'.DOKU_LF;
1792    $out .= '<!-- TOC END -->'.DOKU_LF;
1793    return $out;
1794}
1795
1796/**
1797 * Callback for html_buildlist
1798 */
1799function html_list_toc($item){
1800    if(isset($item['hid'])){
1801        $link = '#'.$item['hid'];
1802    }else{
1803        $link = $item['link'];
1804    }
1805
1806    return '<a href="'.$link.'">'.hsc($item['title']).'</a>';
1807}
1808
1809/**
1810 * Helper function to build TOC items
1811 *
1812 * Returns an array ready to be added to a TOC array
1813 *
1814 * @param string $link  - where to link (if $hash set to '#' it's a local anchor)
1815 * @param string $text  - what to display in the TOC
1816 * @param int    $level - nesting level
1817 * @param string $hash  - is prepended to the given $link, set blank if you want full links
1818 * @return array the toc item
1819 */
1820function html_mktocitem($link, $text, $level, $hash='#'){
1821    return  array( 'link'  => $hash.$link,
1822            'title' => $text,
1823            'type'  => 'ul',
1824            'level' => $level);
1825}
1826
1827/**
1828 * Output a Doku_Form object.
1829 * Triggers an event with the form name: HTML_{$name}FORM_OUTPUT
1830 *
1831 * @author Tom N Harris <tnharris@whoopdedo.org>
1832 * @param string     $name The name of the form
1833 * @param Doku_Form  $form The form
1834 */
1835function html_form($name, &$form) {
1836    // Safety check in case the caller forgets.
1837    $form->endFieldset();
1838    trigger_event('HTML_'.strtoupper($name).'FORM_OUTPUT', $form, 'html_form_output', false);
1839}
1840
1841/**
1842 * Form print function.
1843 * Just calls printForm() on the data object.
1844 * @param Doku_Form $data The form
1845 */
1846function html_form_output($data) {
1847    $data->printForm();
1848}
1849
1850/**
1851 * Embed a flash object in HTML
1852 *
1853 * This will create the needed HTML to embed a flash movie in a cross browser
1854 * compatble way using valid XHTML
1855 *
1856 * The parameters $params, $flashvars and $atts need to be associative arrays.
1857 * No escaping needs to be done for them. The alternative content *has* to be
1858 * escaped because it is used as is. If no alternative content is given
1859 * $lang['noflash'] is used.
1860 *
1861 * @author Andreas Gohr <andi@splitbrain.org>
1862 * @link   http://latrine.dgx.cz/how-to-correctly-insert-a-flash-into-xhtml
1863 *
1864 * @param string $swf      - the SWF movie to embed
1865 * @param int $width       - width of the flash movie in pixels
1866 * @param int $height      - height of the flash movie in pixels
1867 * @param array $params    - additional parameters (<param>)
1868 * @param array $flashvars - parameters to be passed in the flashvar parameter
1869 * @param array $atts      - additional attributes for the <object> tag
1870 * @param string $alt      - alternative content (is NOT automatically escaped!)
1871 * @return string         - the XHTML markup
1872 */
1873function html_flashobject($swf,$width,$height,$params=null,$flashvars=null,$atts=null,$alt=''){
1874    global $lang;
1875
1876    $out = '';
1877
1878    // prepare the object attributes
1879    if(is_null($atts)) $atts = array();
1880    $atts['width']  = (int) $width;
1881    $atts['height'] = (int) $height;
1882    if(!$atts['width'])  $atts['width']  = 425;
1883    if(!$atts['height']) $atts['height'] = 350;
1884
1885    // add object attributes for standard compliant browsers
1886    $std = $atts;
1887    $std['type'] = 'application/x-shockwave-flash';
1888    $std['data'] = $swf;
1889
1890    // add object attributes for IE
1891    $ie  = $atts;
1892    $ie['classid'] = 'clsid:D27CDB6E-AE6D-11cf-96B8-444553540000';
1893
1894    // open object (with conditional comments)
1895    $out .= '<!--[if !IE]> -->'.NL;
1896    $out .= '<object '.buildAttributes($std).'>'.NL;
1897    $out .= '<!-- <![endif]-->'.NL;
1898    $out .= '<!--[if IE]>'.NL;
1899    $out .= '<object '.buildAttributes($ie).'>'.NL;
1900    $out .= '    <param name="movie" value="'.hsc($swf).'" />'.NL;
1901    $out .= '<!--><!-- -->'.NL;
1902
1903    // print params
1904    if(is_array($params)) foreach($params as $key => $val){
1905        $out .= '  <param name="'.hsc($key).'" value="'.hsc($val).'" />'.NL;
1906    }
1907
1908    // add flashvars
1909    if(is_array($flashvars)){
1910        $out .= '  <param name="FlashVars" value="'.buildURLparams($flashvars).'" />'.NL;
1911    }
1912
1913    // alternative content
1914    if($alt){
1915        $out .= $alt.NL;
1916    }else{
1917        $out .= $lang['noflash'].NL;
1918    }
1919
1920    // finish
1921    $out .= '</object>'.NL;
1922    $out .= '<!-- <![endif]-->'.NL;
1923
1924    return $out;
1925}
1926
1927/**
1928 * Prints HTML code for the given tab structure
1929 *
1930 * @param array  $tabs        tab structure
1931 * @param string $current_tab the current tab id
1932 */
1933function html_tabs($tabs, $current_tab = null) {
1934    echo '<ul class="tabs">'.NL;
1935
1936    foreach($tabs as $id => $tab) {
1937        html_tab($tab['href'], $tab['caption'], $id === $current_tab);
1938    }
1939
1940    echo '</ul>'.NL;
1941}
1942/**
1943 * Prints a single tab
1944 *
1945 * @author Kate Arzamastseva <pshns@ukr.net>
1946 * @author Adrian Lang <mail@adrianlang.de>
1947 *
1948 * @param string $href - tab href
1949 * @param string $caption - tab caption
1950 * @param boolean $selected - is tab selected
1951 */
1952
1953function html_tab($href, $caption, $selected=false) {
1954    $tab = '<li>';
1955    if ($selected) {
1956        $tab .= '<strong>';
1957    } else {
1958        $tab .= '<a href="' . hsc($href) . '">';
1959    }
1960    $tab .= hsc($caption)
1961         .  '</' . ($selected ? 'strong' : 'a') . '>'
1962         .  '</li>'.NL;
1963    echo $tab;
1964}
1965
1966