inc/html.php

   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
   9 use dokuwiki\ChangeLog\MediaChangeLog;
  10 use dokuwiki\ChangeLog\PageChangeLog;
  11 use dokuwiki\Extension\AuthPlugin;
  12 use dokuwiki\Extension\Event;
  13
  14 if (!defined('SEC_EDIT_PATTERN')) {
  15     define('SEC_EDIT_PATTERN', '#<!-- EDIT({.*?}) -->#');
  16 }
  17
  18
  19 /**
  20  * Convenience function to quickly build a wikilink
  21  *
  22  * @author Andreas Gohr <andi@splitbrain.org>
  23  * @param string  $id      id of the target page
  24  * @param string  $name    the name of the link, i.e. the text that is displayed
  25  * @param string|array  $search  search string(s) that shall be highlighted in the target page
  26  * @return string the HTML code of the link
  27  */
  28 function html_wikilink($id,$name=null,$search=''){
  29     /** @var Doku_Renderer_xhtml $xhtml_renderer */
  30     static $xhtml_renderer = null;
  31     if(is_null($xhtml_renderer)){
  32         $xhtml_renderer = p_get_renderer('xhtml');
  33     }
  34
  35     return $xhtml_renderer->internallink($id,$name,$search,true,'navigation');
  36 }
  37
  38 /**
  39  * The loginform
  40  *
  41  * @author   Andreas Gohr <andi@splitbrain.org>
  42  *
  43  * @param bool $svg Whether to show svg icons in the register and resendpwd links or not
  44  */
  45 function html_login($svg = false){
  46     global $lang;
  47     global $conf;
  48     global $ID;
  49     global $INPUT;
  50
  51     print p_locale_xhtml('login');
  52     print '<div class="centeralign">'.NL;
  53     $form = new Doku_Form(array('id' => 'dw__login', 'action'=>wl($ID)));
  54     $form->startFieldset($lang['btn_login']);
  55     $form->addHidden('id', $ID);
  56     $form->addHidden('do', 'login');
  57     $form->addElement(form_makeTextField(
  58         'u',
  59         ((!$INPUT->bool('http_credentials')) ? $INPUT->str('u') : ''),
  60         $lang['user'],
  61         'focus__this',
  62         'block')
  63     );
  64     $form->addElement(form_makePasswordField('p', $lang['pass'], '', 'block'));
  65     if($conf['rememberme']) {
  66         $form->addElement(form_makeCheckboxField('r', '1', $lang['remember'], 'remember__me', 'simple'));
  67     }
  68     $form->addElement(form_makeButton('submit', '', $lang['btn_login']));
  69     $form->endFieldset();
  70
  71     if(actionOK('register')){
  72         $registerLink = (new \dokuwiki\Menu\Item\Register())->asHtmlLink('', $svg);
  73         $form->addElement('<p>'.$lang['reghere'].': '. $registerLink .'</p>');
  74     }
  75
  76     if (actionOK('resendpwd')) {
  77         $resendPwLink = (new \dokuwiki\Menu\Item\Resendpwd())->asHtmlLink('', $svg);
  78         $form->addElement('<p>'.$lang['pwdforget'].': '. $resendPwLink .'</p>');
  79     }
  80
  81     html_form('login', $form);
  82     print '</div>'.NL;
  83 }
  84
  85
  86 /**
  87  * Denied page content
  88  *
  89  * @return string html
  90  */
  91 function html_denied() {
  92     print p_locale_xhtml('denied');
  93
  94     if(empty($_SERVER['REMOTE_USER']) && actionOK('login')){
  95         html_login();
  96     }
  97 }
  98
  99 /**
 100  * inserts section edit buttons if wanted or removes the markers
 101  *
 102  * @author Andreas Gohr <andi@splitbrain.org>
 103  *
 104  * @param string $text
 105  * @param bool   $show show section edit buttons?
 106  * @return string
 107  */
 108 function html_secedit($text,$show=true){
 109     global $INFO;
 110
 111     if((isset($INFO) && !$INFO['writable']) || !$show || (isset($INFO) && $INFO['rev'])){
 112         return preg_replace(SEC_EDIT_PATTERN,'',$text);
 113     }
 114
 115     return preg_replace_callback(SEC_EDIT_PATTERN,
 116                 'html_secedit_button', $text);
 117 }
 118
 119 /**
 120  * prepares section edit button data for event triggering
 121  * used as a callback in html_secedit
 122  *
 123  * @author Andreas Gohr <andi@splitbrain.org>
 124  *
 125  * @param array $matches matches with regexp
 126  * @return string
 127  * @triggers HTML_SECEDIT_BUTTON
 128  */
 129 function html_secedit_button($matches){
 130     $json = htmlspecialchars_decode($matches[1], ENT_QUOTES);
 131     $data = json_decode($json, true);
 132     if ($data == NULL) {
 133         return;
 134     }
 135     $data ['target'] = strtolower($data['target']);
 136     $data ['hid'] = strtolower($data['hid']);
 137
 138     return Event::createAndTrigger('HTML_SECEDIT_BUTTON', $data,
 139                          'html_secedit_get_button');
 140 }
 141
 142 /**
 143  * prints a section editing button
 144  * used as default action form HTML_SECEDIT_BUTTON
 145  *
 146  * @author Adrian Lang <lang@cosmocode.de>
 147  *
 148  * @param array $data name, section id and target
 149  * @return string html
 150  */
 151 function html_secedit_get_button($data) {
 152     global $ID;
 153     global $INFO;
 154
 155     if (!isset($data['name']) || $data['name'] === '') return '';
 156
 157     $name = $data['name'];
 158     unset($data['name']);
 159
 160     $secid = $data['secid'];
 161     unset($data['secid']);
 162
 163     return "<div class='secedit editbutton_" . $data['target'] .
 164                        " editbutton_" . $secid . "'>" .
 165            html_btn('secedit', $ID, '',
 166                     array_merge(array('do'  => 'edit',
 167                                       'rev' => $INFO['lastmod'],
 168                                       'summary' => '['.$name.'] '), $data),
 169                     'post', $name) . '</div>';
 170 }
 171
 172 /**
 173  * Just the back to top button (in its own form)
 174  *
 175  * @author Andreas Gohr <andi@splitbrain.org>
 176  *
 177  * @return string html
 178  */
 179 function html_topbtn(){
 180     global $lang;
 181
 182     $ret = '<a class="nolink" href="#dokuwiki__top">' .
 183         '<button class="button" onclick="window.scrollTo(0, 0)" title="' . $lang['btn_top'] . '">' .
 184         $lang['btn_top'] .
 185         '</button></a>';
 186
 187     return $ret;
 188 }
 189
 190 /**
 191  * Displays a button (using its own form)
 192  * If tooltip exists, the access key tooltip is replaced.
 193  *
 194  * @author Andreas Gohr <andi@splitbrain.org>
 195  *
 196  * @param string         $name
 197  * @param string         $id
 198  * @param string         $akey   access key
 199  * @param string[] $params key-value pairs added as hidden inputs
 200  * @param string         $method
 201  * @param string         $tooltip
 202  * @param bool|string    $label  label text, false: lookup btn_$name in localization
 203  * @param string         $svg (optional) svg code, inserted into the button
 204  * @return string
 205  */
 206 function html_btn($name, $id, $akey, $params, $method='get', $tooltip='', $label=false, $svg=null){
 207     global $conf;
 208     global $lang;
 209
 210     if (!$label)
 211         $label = $lang['btn_'.$name];
 212
 213     $ret = '';
 214
 215     //filter id (without urlencoding)
 216     $id = idfilter($id,false);
 217
 218     //make nice URLs even for buttons
 219     if($conf['userewrite'] == 2){
 220         $script = DOKU_BASE.DOKU_SCRIPT.'/'.$id;
 221     }elseif($conf['userewrite']){
 222         $script = DOKU_BASE.$id;
 223     }else{
 224         $script = DOKU_BASE.DOKU_SCRIPT;
 225         $params['id'] = $id;
 226     }
 227
 228     $ret .= '<form class="button btn_'.$name.'" method="'.$method.'" action="'.$script.'"><div class="no">';
 229
 230     if(is_array($params)){
 231         foreach($params as $key => $val) {
 232             $ret .= '<input type="hidden" name="'.$key.'" ';
 233             $ret .= 'value="'.hsc($val).'" />';
 234         }
 235     }
 236
 237     if ($tooltip!='') {
 238         $tip = hsc($tooltip);
 239     }else{
 240         $tip = hsc($label);
 241     }
 242
 243     $ret .= '<button type="submit" ';
 244     if($akey){
 245         $tip .= ' ['.strtoupper($akey).']';
 246         $ret .= 'accesskey="'.$akey.'" ';
 247     }
 248     $ret .= 'title="'.$tip.'">';
 249     if ($svg) {
 250         $ret .= '<span>' . hsc($label) . '</span>';
 251         $ret .= inlineSVG($svg);
 252     } else {
 253         $ret .= hsc($label);
 254     }
 255     $ret .= '</button>';
 256     $ret .= '</div></form>';
 257
 258     return $ret;
 259 }
 260 /**
 261  * show a revision warning
 262  *
 263  * @author Szymon Olewniczak <dokuwiki@imz.re>
 264  */
 265 function html_showrev() {
 266     print p_locale_xhtml('showrev');
 267 }
 268
 269 /**
 270  * Show a wiki page
 271  *
 272  * @author Andreas Gohr <andi@splitbrain.org>
 273  *
 274  * @param null|string $txt wiki text or null for showing $ID
 275  */
 276 function html_show($txt=null){
 277     global $ID;
 278     global $REV;
 279     global $HIGH;
 280     global $INFO;
 281     global $DATE_AT;
 282     //disable section editing for old revisions or in preview
 283     if($txt || $REV){
 284         $secedit = false;
 285     }else{
 286         $secedit = true;
 287     }
 288
 289     if (!is_null($txt)){
 290         //PreviewHeader
 291         echo '<br id="scroll__here" />';
 292         echo p_locale_xhtml('preview');
 293         echo '<div class="preview"><div class="pad">';
 294         $html = html_secedit(p_render('xhtml',p_get_instructions($txt),$info),$secedit);
 295         if($INFO['prependTOC']) $html = tpl_toc(true).$html;
 296         echo $html;
 297         echo '<div class="clearer"></div>';
 298         echo '</div></div>';
 299
 300     }else{
 301         if ($REV||$DATE_AT){
 302             $data = array('rev' => &$REV, 'date_at' => &$DATE_AT);
 303             Event::createAndTrigger('HTML_SHOWREV_OUTPUT', $data, 'html_showrev');
 304         }
 305         $html = p_wiki_xhtml($ID,$REV,true,$DATE_AT);
 306         $html = html_secedit($html,$secedit);
 307         if($INFO['prependTOC']) $html = tpl_toc(true).$html;
 308         $html = html_hilight($html,$HIGH);
 309         echo $html;
 310     }
 311 }
 312
 313 /**
 314  * ask the user about how to handle an exisiting draft
 315  *
 316  * @author Andreas Gohr <andi@splitbrain.org>
 317  */
 318 function html_draft(){
 319     global $INFO;
 320     global $ID;
 321     global $lang;
 322     $draft = new \dokuwiki\Draft($ID, $INFO['client']);
 323     $text  = $draft->getDraftText();
 324
 325     print p_locale_xhtml('draft');
 326     html_diff($text, false);
 327     $form = new Doku_Form(array('id' => 'dw__editform'));
 328     $form->addHidden('id', $ID);
 329     $form->addHidden('date', $draft->getDraftDate());
 330     $form->addHidden('wikitext', $text);
 331     $form->addElement(form_makeOpenTag('div', array('id'=>'draft__status')));
 332     $form->addElement($draft->getDraftMessage());
 333     $form->addElement(form_makeCloseTag('div'));
 334     $form->addElement(form_makeButton('submit', 'recover', $lang['btn_recover'], array('tabindex'=>'1')));
 335     $form->addElement(form_makeButton('submit', 'draftdel', $lang['btn_draftdel'], array('tabindex'=>'2')));
 336     $form->addElement(form_makeButton('submit', 'show', $lang['btn_cancel'], array('tabindex'=>'3')));
 337     html_form('draft', $form);
 338 }
 339
 340 /**
 341  * Highlights searchqueries in HTML code
 342  *
 343  * @author Andreas Gohr <andi@splitbrain.org>
 344  * @author Harry Fuecks <hfuecks@gmail.com>
 345  *
 346  * @param string $html
 347  * @param array|string $phrases
 348  * @return string html
 349  */
 350 function html_hilight($html,$phrases){
 351     $phrases = (array) $phrases;
 352     $phrases = array_map('preg_quote_cb', $phrases);
 353     $phrases = array_map('ft_snippet_re_preprocess', $phrases);
 354     $phrases = array_filter($phrases);
 355     $regex = join('|',$phrases);
 356
 357     if ($regex === '') return $html;
 358     if (!\dokuwiki\Utf8\Clean::isUtf8($regex)) return $html;
 359     $html = @preg_replace_callback("/((<[^>]*)|$regex)/ui",'html_hilight_callback',$html);
 360     return $html;
 361 }
 362
 363 /**
 364  * Callback used by html_hilight()
 365  *
 366  * @author Harry Fuecks <hfuecks@gmail.com>
 367  *
 368  * @param array $m matches
 369  * @return string html
 370  */
 371 function html_hilight_callback($m) {
 372     $hlight = unslash($m[0]);
 373     if ( !isset($m[2])) {
 374         $hlight = '<span class="search_hit">'.$hlight.'</span>';
 375     }
 376     return $hlight;
 377 }
 378
 379 /**
 380  * Display error on locked pages
 381  *
 382  * @author Andreas Gohr <andi@splitbrain.org>
 383  */
 384 function html_locked(){
 385     global $ID;
 386     global $conf;
 387     global $lang;
 388     global $INFO;
 389
 390     $locktime = filemtime(wikiLockFN($ID));
 391     $expire = dformat($locktime + $conf['locktime']);
 392     $min    = round(($conf['locktime'] - (time() - $locktime) )/60);
 393
 394     print p_locale_xhtml('locked');
 395     print '<ul>';
 396     print '<li><div class="li"><strong>'.$lang['lockedby'].'</strong> '.editorinfo($INFO['locked']).'</div></li>';
 397     print '<li><div class="li"><strong>'.$lang['lockexpire'].'</strong> '.$expire.' ('.$min.' min)</div></li>';
 398     print '</ul>';
 399 }
 400
 401 /**
 402  * list old revisions
 403  *
 404  * @author Andreas Gohr <andi@splitbrain.org>
 405  * @author Ben Coburn <btcoburn@silicodon.net>
 406  * @author Kate Arzamastseva <pshns@ukr.net>
 407  *
 408  * @param int $first skip the first n changelog lines
 409  * @param bool|string $media_id id of media, or false for current page
 410  */
 411 function html_revisions($first=0, $media_id = false){
 412     global $ID;
 413     global $INFO;
 414     global $conf;
 415     global $lang;
 416     $id = $ID;
 417     if ($media_id) {
 418         $id = $media_id;
 419         $changelog = new MediaChangeLog($id);
 420     } else {
 421         $changelog = new PageChangeLog($id);
 422     }
 423
 424     /* we need to get one additional log entry to be able to
 425      * decide if this is the last page or is there another one.
 426      * see html_recent()
 427      */
 428
 429     $revisions = $changelog->getRevisions($first, $conf['recent']+1);
 430
 431     if(count($revisions)==0 && $first!=0){
 432         $first=0;
 433         $revisions = $changelog->getRevisions($first, $conf['recent']+1);
 434     }
 435     $hasNext = false;
 436     if (count($revisions)>$conf['recent']) {
 437         $hasNext = true;
 438         array_pop($revisions); // remove extra log entry
 439     }
 440
 441     if (!$media_id) print p_locale_xhtml('revisions');
 442
 443     $params = array('id' => 'page__revisions', 'class' => 'changes');
 444     if($media_id) {
 445         $params['action'] = media_managerURL(array('image' => $media_id), '&');
 446     }
 447
 448     if(!$media_id) {
 449         $exists = $INFO['exists'];
 450         $display_name = useHeading('navigation') ? hsc(p_get_first_heading($id)) : $id;
 451         if(!$display_name) {
 452             $display_name = $id;
 453         }
 454     } else {
 455         $exists = file_exists(mediaFN($id));
 456         $display_name = $id;
 457     }
 458
 459     $form = new Doku_Form($params);
 460     $form->addElement(form_makeOpenTag('ul'));
 461
 462     if($exists && $first == 0) {
 463         $minor = false;
 464         if($media_id) {
 465             $date = dformat(@filemtime(mediaFN($id)));
 466             $href = media_managerURL(array('image' => $id, 'tab_details' => 'view'), '&');
 467
 468             $changelog->setChunkSize(1024);
 469             $revinfo = $changelog->getRevisionInfo(@filemtime(fullpath(mediaFN($id))));
 470
 471             $summary = $revinfo['sum'];
 472             if($revinfo['user']) {
 473                 $editor = $revinfo['user'];
 474             } else {
 475                 $editor = $revinfo['ip'];
 476             }
 477             $sizechange = $revinfo['sizechange'];
 478         } else {
 479             $date = dformat($INFO['lastmod']);
 480             if(isset($INFO['meta']) && isset($INFO['meta']['last_change'])) {
 481                 if($INFO['meta']['last_change']['type'] === DOKU_CHANGE_TYPE_MINOR_EDIT) {
 482                     $minor = true;
 483                 }
 484                 if(isset($INFO['meta']['last_change']['sizechange'])) {
 485                     $sizechange = $INFO['meta']['last_change']['sizechange'];
 486                 } else {
 487                     $sizechange = null;
 488                 }
 489             }
 490             $pagelog = new PageChangeLog($ID);
 491             $latestrev = $pagelog->getRevisions(-1, 1);
 492             $latestrev = array_pop($latestrev);
 493             $href = wl($id,"rev=$latestrev",false,'&');
 494             $summary = $INFO['sum'];
 495             $editor = $INFO['editor'];
 496         }
 497
 498         $form->addElement(form_makeOpenTag('li', array('class' => ($minor ? 'minor' : ''))));
 499         $form->addElement(form_makeOpenTag('div', array('class' => 'li')));
 500         $form->addElement(form_makeTag('input', array(
 501                         'type' => 'checkbox',
 502                         'name' => 'rev2[]',
 503                         'value' => 'current')));
 504
 505         $form->addElement(form_makeOpenTag('span', array('class' => 'date')));
 506         $form->addElement($date);
 507         $form->addElement(form_makeCloseTag('span'));
 508
 509         $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
 510
 511         $form->addElement(form_makeOpenTag('a', array(
 512                         'class' => 'wikilink1',
 513                         'href'  => $href)));
 514         $form->addElement($display_name);
 515         $form->addElement(form_makeCloseTag('a'));
 516
 517         if ($media_id) $form->addElement(form_makeOpenTag('div'));
 518
 519         if($summary) {
 520             $form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
 521             if(!$media_id) $form->addElement(' – ');
 522             $form->addElement('<bdi>' . hsc($summary) . '</bdi>');
 523             $form->addElement(form_makeCloseTag('span'));
 524         }
 525
 526         $form->addElement(form_makeOpenTag('span', array('class' => 'user')));
 527         $form->addElement((empty($editor))?('('.$lang['external_edit'].')'):'<bdi>'.editorinfo($editor).'</bdi>');
 528         $form->addElement(form_makeCloseTag('span'));
 529
 530         html_sizechange($sizechange, $form);
 531
 532         $form->addElement('('.$lang['current'].')');
 533
 534         if ($media_id) $form->addElement(form_makeCloseTag('div'));
 535
 536         $form->addElement(form_makeCloseTag('div'));
 537         $form->addElement(form_makeCloseTag('li'));
 538     }
 539
 540     foreach($revisions as $rev) {
 541         $date = dformat($rev);
 542         $info = $changelog->getRevisionInfo($rev);
 543         if($media_id) {
 544             $exists = file_exists(mediaFN($id, $rev));
 545         } else {
 546             $exists = page_exists($id, $rev);
 547         }
 548
 549         $class = '';
 550         if($info['type'] === DOKU_CHANGE_TYPE_MINOR_EDIT) {
 551             $class = 'minor';
 552         }
 553         $form->addElement(form_makeOpenTag('li', array('class' => $class)));
 554         $form->addElement(form_makeOpenTag('div', array('class' => 'li')));
 555         if($exists){
 556             $form->addElement(form_makeTag('input', array(
 557                             'type' => 'checkbox',
 558                             'name' => 'rev2[]',
 559                             'value' => $rev)));
 560         }else{
 561             $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
 562         }
 563
 564         $form->addElement(form_makeOpenTag('span', array('class' => 'date')));
 565         $form->addElement($date);
 566         $form->addElement(form_makeCloseTag('span'));
 567
 568         if($exists){
 569             if (!$media_id) {
 570                 $href = wl($id,"rev=$rev,do=diff", false, '&');
 571             } else {
 572                 $href = media_managerURL(array('image' => $id, 'rev' => $rev, 'mediado' => 'diff'), '&');
 573             }
 574             $form->addElement(form_makeOpenTag('a', array(
 575                             'class' => 'diff_link',
 576                             'href' => $href)));
 577             $form->addElement(form_makeTag('img', array(
 578                             'src'    => DOKU_BASE.'lib/images/diff.png',
 579                             'width'  => 15,
 580                             'height' => 11,
 581                             'title'  => $lang['diff'],
 582                             'alt'    => $lang['diff'])));
 583             $form->addElement(form_makeCloseTag('a'));
 584
 585             if (!$media_id) {
 586                 $href = wl($id,"rev=$rev",false,'&');
 587             } else {
 588                 $href = media_managerURL(array('image' => $id, 'tab_details' => 'view', 'rev' => $rev), '&');
 589             }
 590             $form->addElement(form_makeOpenTag('a', array(
 591                             'class' => 'wikilink1',
 592                             'href' => $href)));
 593             $form->addElement($display_name);
 594             $form->addElement(form_makeCloseTag('a'));
 595         }else{
 596             $form->addElement('<img src="'.DOKU_BASE.'lib/images/blank.gif" width="15" height="11" alt="" />');
 597             $form->addElement($display_name);
 598         }
 599
 600         if ($media_id) $form->addElement(form_makeOpenTag('div'));
 601
 602         if ($info['sum']) {
 603             $form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
 604             if(!$media_id) $form->addElement(' – ');
 605             $form->addElement('<bdi>'.hsc($info['sum']).'</bdi>');
 606             $form->addElement(form_makeCloseTag('span'));
 607         }
 608
 609         $form->addElement(form_makeOpenTag('span', array('class' => 'user')));
 610         if($info['user']){
 611             $form->addElement('<bdi>'.editorinfo($info['user']).'</bdi>');
 612             if(auth_ismanager()){
 613                 $form->addElement(' <bdo dir="ltr">('.$info['ip'].')</bdo>');
 614             }
 615         }else{
 616             $form->addElement('<bdo dir="ltr">'.$info['ip'].'</bdo>');
 617         }
 618         $form->addElement(form_makeCloseTag('span'));
 619
 620         html_sizechange($info['sizechange'], $form);
 621
 622         if ($media_id) $form->addElement(form_makeCloseTag('div'));
 623
 624         $form->addElement(form_makeCloseTag('div'));
 625         $form->addElement(form_makeCloseTag('li'));
 626     }
 627     $form->addElement(form_makeCloseTag('ul'));
 628     if (!$media_id) {
 629         $form->addElement(form_makeButton('submit', 'diff', $lang['diff2']));
 630     } else {
 631         $form->addHidden('mediado', 'diff');
 632         $form->addElement(form_makeButton('submit', '', $lang['diff2']));
 633     }
 634     html_form('revisions', $form);
 635
 636     print '<div class="pagenav">';
 637     $last = $first + $conf['recent'];
 638     if ($first > 0) {
 639         $first -= $conf['recent'];
 640         if ($first < 0) $first = 0;
 641         print '<div class="pagenav-prev">';
 642         if ($media_id) {
 643             print html_btn('newer',$media_id,"p",media_managerURL(array('first' => $first), '&amp;', false, true));
 644         } else {
 645             print html_btn('newer',$id,"p",array('do' => 'revisions', 'first' => $first));
 646         }
 647         print '</div>';
 648     }
 649     if ($hasNext) {
 650         print '<div class="pagenav-next">';
 651         if ($media_id) {
 652             print html_btn('older',$media_id,"n",media_managerURL(array('first' => $last), '&amp;', false, true));
 653         } else {
 654             print html_btn('older',$id,"n",array('do' => 'revisions', 'first' => $last));
 655         }
 656         print '</div>';
 657     }
 658     print '</div>';
 659
 660 }
 661
 662 /**
 663  * display recent changes
 664  *
 665  * @author Andreas Gohr <andi@splitbrain.org>
 666  * @author Matthias Grimm <matthiasgrimm@users.sourceforge.net>
 667  * @author Ben Coburn <btcoburn@silicodon.net>
 668  * @author Kate Arzamastseva <pshns@ukr.net>
 669  *
 670  * @param int $first
 671  * @param string $show_changes
 672  */
 673 function html_recent($first = 0, $show_changes = 'both') {
 674     global $conf;
 675     global $lang;
 676     global $ID;
 677     /* we need to get one additionally log entry to be able to
 678      * decide if this is the last page or is there another one.
 679      * This is the cheapest solution to get this information.
 680      */
 681     $flags = 0;
 682     if($show_changes == 'mediafiles' && $conf['mediarevisions']) {
 683         $flags = RECENTS_MEDIA_CHANGES;
 684     } elseif($show_changes == 'pages') {
 685         $flags = 0;
 686     } elseif($conf['mediarevisions']) {
 687         $show_changes = 'both';
 688         $flags = RECENTS_MEDIA_PAGES_MIXED;
 689     }
 690
 691     $recents = getRecents($first, $conf['recent'] + 1, getNS($ID), $flags);
 692     if(count($recents) == 0 && $first != 0) {
 693         $first = 0;
 694         $recents = getRecents($first, $conf['recent'] + 1, getNS($ID), $flags);
 695     }
 696     $hasNext = false;
 697     if(count($recents) > $conf['recent']) {
 698         $hasNext = true;
 699         array_pop($recents); // remove extra log entry
 700     }
 701
 702     print p_locale_xhtml('recent');
 703
 704     if(getNS($ID) != '') {
 705         print '<div class="level1"><p>' .
 706             sprintf($lang['recent_global'], getNS($ID), wl('', 'do=recent')) .
 707             '</p></div>';
 708     }
 709
 710     $form = new Doku_Form(array('id' => 'dw__recent', 'method' => 'GET', 'class' => 'changes', 'action'=>wl($ID)));
 711     $form->addHidden('sectok', null);
 712     $form->addHidden('do', 'recent');
 713     $form->addHidden('id', $ID);
 714
 715     if($conf['mediarevisions']) {
 716         $form->addElement('<div class="changeType">');
 717         $form->addElement(form_makeListboxField(
 718                     'show_changes',
 719                     array(
 720                         'pages'      => $lang['pages_changes'],
 721                         'mediafiles' => $lang['media_changes'],
 722                         'both'       => $lang['both_changes']
 723                     ),
 724                     $show_changes,
 725                     $lang['changes_type'],
 726                     '', '',
 727                     array('class' => 'quickselect')));
 728
 729         $form->addElement(form_makeButton('submit', 'recent', $lang['btn_apply']));
 730         $form->addElement('</div>');
 731     }
 732
 733     $form->addElement(form_makeOpenTag('ul'));
 734
 735     foreach($recents as $recent) {
 736         $date = dformat($recent['date']);
 737
 738         $class = '';
 739         if($recent['type'] === DOKU_CHANGE_TYPE_MINOR_EDIT) {
 740             $class = 'minor';
 741         }
 742         $form->addElement(form_makeOpenTag('li', array('class' => $class)));
 743         $form->addElement(form_makeOpenTag('div', array('class' => 'li')));
 744
 745         if(!empty($recent['media'])) {
 746             $form->addElement(media_printicon($recent['id']));
 747         } else {
 748             $icon = DOKU_BASE . 'lib/images/fileicons/file.png';
 749             $form->addElement('<img src="' . $icon . '" alt="' . $recent['id'] . '" class="icon" />');
 750         }
 751
 752         $form->addElement(form_makeOpenTag('span', array('class' => 'date')));
 753         $form->addElement($date);
 754         $form->addElement(form_makeCloseTag('span'));
 755
 756         $diff = false;
 757         $href = '';
 758
 759         if(!empty($recent['media'])) {
 760             $changelog = new MediaChangeLog($recent['id']);
 761             $revs = $changelog->getRevisions(0, 1);
 762             $diff = (count($revs) && file_exists(mediaFN($recent['id'])));
 763             if($diff) {
 764                 $href = media_managerURL(array(
 765                                             'tab_details' => 'history',
 766                                             'mediado' => 'diff',
 767                                             'image' => $recent['id'],
 768                                             'ns' => getNS($recent['id'])
 769                                         ), '&');
 770             }
 771         } else {
 772             $href = wl($recent['id'], "do=diff", false, '&');
 773         }
 774
 775         if(!empty($recent['media']) && !$diff) {
 776             $form->addElement('<img src="' . DOKU_BASE . 'lib/images/blank.gif" width="15" height="11" alt="" />');
 777         } else {
 778             $form->addElement(form_makeOpenTag('a', array('class' => 'diff_link', 'href' => $href)));
 779             $form->addElement(form_makeTag('img', array(
 780                             'src'    => DOKU_BASE . 'lib/images/diff.png',
 781                             'width'  => 15,
 782                             'height' => 11,
 783                             'title'  => $lang['diff'],
 784                             'alt'    => $lang['diff']
 785                         )));
 786             $form->addElement(form_makeCloseTag('a'));
 787         }
 788
 789         if(!empty($recent['media'])) {
 790             $href = media_managerURL(
 791                 array(
 792                     'tab_details' => 'history',
 793                     'image' => $recent['id'],
 794                     'ns' => getNS($recent['id'])
 795                 ),
 796                 '&'
 797             );
 798         } else {
 799             $href = wl($recent['id'], "do=revisions", false, '&');
 800         }
 801         $form->addElement(form_makeOpenTag('a', array(
 802                         'class' => 'revisions_link',
 803                         'href'  => $href)));
 804         $form->addElement(form_makeTag('img', array(
 805                         'src'    => DOKU_BASE . 'lib/images/history.png',
 806                         'width'  => 12,
 807                         'height' => 14,
 808                         'title'  => $lang['btn_revs'],
 809                         'alt'    => $lang['btn_revs']
 810                     )));
 811         $form->addElement(form_makeCloseTag('a'));
 812
 813         if(!empty($recent['media'])) {
 814             $href = media_managerURL(
 815                 array(
 816                     'tab_details' => 'view',
 817                     'image' => $recent['id'],
 818                     'ns' => getNS($recent['id'])
 819                 ),
 820                 '&'
 821             );
 822             $class = file_exists(mediaFN($recent['id'])) ? 'wikilink1' : 'wikilink2';
 823             $form->addElement(form_makeOpenTag('a', array(
 824                         'class' => $class,
 825                         'href'  => $href)));
 826             $form->addElement($recent['id']);
 827             $form->addElement(form_makeCloseTag('a'));
 828         } else {
 829             $form->addElement(html_wikilink(':' . $recent['id'], useHeading('navigation') ? null : $recent['id']));
 830         }
 831         $form->addElement(form_makeOpenTag('span', array('class' => 'sum')));
 832         $form->addElement(' – ' . hsc($recent['sum']));
 833         $form->addElement(form_makeCloseTag('span'));
 834
 835         $form->addElement(form_makeOpenTag('span', array('class' => 'user')));
 836         if($recent['user']) {
 837             $form->addElement('<bdi>' . editorinfo($recent['user']) . '</bdi>');
 838             if(auth_ismanager()) {
 839                 $form->addElement(' <bdo dir="ltr">(' . $recent['ip'] . ')</bdo>');
 840             }
 841         } else {
 842             $form->addElement('<bdo dir="ltr">' . $recent['ip'] . '</bdo>');
 843         }
 844         $form->addElement(form_makeCloseTag('span'));
 845
 846         html_sizechange($recent['sizechange'], $form);
 847
 848         $form->addElement(form_makeCloseTag('div'));
 849         $form->addElement(form_makeCloseTag('li'));
 850     }
 851     $form->addElement(form_makeCloseTag('ul'));
 852
 853     $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav')));
 854     $last = $first + $conf['recent'];
 855     if($first > 0) {
 856         $first -= $conf['recent'];
 857         if($first < 0) $first = 0;
 858         $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav-prev')));
 859         $form->addElement(form_makeOpenTag('button', array(
 860                         'type'      => 'submit',
 861                         'name'      => 'first[' . $first . ']',
 862                         'accesskey' => 'n',
 863                         'title'     => $lang['btn_newer'] . ' [N]',
 864                         'class'     => 'button show'
 865                     )));
 866         $form->addElement($lang['btn_newer']);
 867         $form->addElement(form_makeCloseTag('button'));
 868         $form->addElement(form_makeCloseTag('div'));
 869     }
 870     if($hasNext) {
 871         $form->addElement(form_makeOpenTag('div', array('class' => 'pagenav-next')));
 872         $form->addElement(form_makeOpenTag('button', array(
 873                         'type'      => 'submit',
 874                         'name'      => 'first[' . $last . ']',
 875                         'accesskey' => 'p',
 876                         'title'     => $lang['btn_older'] . ' [P]',
 877                         'class'     => 'button show'
 878                     )));
 879         $form->addElement($lang['btn_older']);
 880         $form->addElement(form_makeCloseTag('button'));
 881         $form->addElement(form_makeCloseTag('div'));
 882     }
 883     $form->addElement(form_makeCloseTag('div'));
 884     html_form('recent', $form);
 885 }
 886
 887 /**
 888  * Display page index
 889  *
 890  * @author Andreas Gohr <andi@splitbrain.org>
 891  *
 892  * @param string $ns
 893  */
 894 function html_index($ns){
 895     global $conf;
 896     global $ID;
 897     $ns  = cleanID($ns);
 898     if(empty($ns)){
 899         $ns = getNS($ID);
 900         if($ns === false) $ns ='';
 901     }
 902     $ns  = utf8_encodeFN(str_replace(':','/',$ns));
 903
 904     echo p_locale_xhtml('index');
 905     echo '<div id="index__tree" class="index__tree">';
 906
 907     $data = array();
 908     search($data,$conf['datadir'],'search_index',array('ns' => $ns));
 909     echo html_buildlist($data,'idx','html_list_index','html_li_index');
 910
 911     echo '</div>';
 912 }
 913
 914 /**
 915  * Index item formatter
 916  *
 917  * User function for html_buildlist()
 918  *
 919  * @author Andreas Gohr <andi@splitbrain.org>
 920  *
 921  * @param array $item
 922  * @return string
 923  */
 924 function html_list_index($item){
 925     global $ID, $conf;
 926
 927     // prevent searchbots needlessly following links
 928     $nofollow = ($ID != $conf['start'] || $conf['sitemap']) ? 'rel="nofollow"' : '';
 929
 930     $ret = '';
 931     $base = ':'.$item['id'];
 932     $base = substr($base,strrpos($base,':')+1);
 933     if($item['type']=='d'){
 934         // FS#2766, no need for search bots to follow namespace links in the index
 935         $link = wl($ID, 'idx=' . rawurlencode($item['id']));
 936         $ret .= '<a href="' . $link . '" title="' . $item['id'] . '" class="idx_dir" ' . $nofollow . '><strong>';
 937         $ret .= $base;
 938         $ret .= '</strong></a>';
 939     }else{
 940         // default is noNSorNS($id), but we want noNS($id) when useheading is off FS#2605
 941         $ret .= html_wikilink(':'.$item['id'], useHeading('navigation') ? null : noNS($item['id']));
 942     }
 943     return $ret;
 944 }
 945
 946 /**
 947  * Index List item
 948  *
 949  * This user function is used in html_buildlist to build the
 950  * <li> tags for namespaces when displaying the page index
 951  * it gives different classes to opened or closed "folders"
 952  *
 953  * @author Andreas Gohr <andi@splitbrain.org>
 954  *
 955  * @param array $item
 956  * @return string html
 957  */
 958 function html_li_index($item){
 959     global $INFO;
 960     global $ACT;
 961
 962     $class = '';
 963     $id = '';
 964
 965     if($item['type'] == "f"){
 966         // scroll to the current item
 967         if(isset($INFO) && $item['id'] == $INFO['id'] && $ACT == 'index') {
 968             $id = ' id="scroll__here"';
 969             $class = ' bounce';
 970         }
 971         return '<li class="level'.$item['level'].$class.'" '.$id.'>';
 972     }elseif($item['open']){
 973         return '<li class="open">';
 974     }else{
 975         return '<li class="closed">';
 976     }
 977 }
 978
 979 /**
 980  * Default List item
 981  *
 982  * @author Andreas Gohr <andi@splitbrain.org>
 983  *
 984  * @param array $item
 985  * @return string html
 986  */
 987 function html_li_default($item){
 988     return '<li class="level'.$item['level'].'">';
 989 }
 990
 991 /**
 992  * Build an unordered list
 993  *
 994  * Build an unordered list from the given $data array
 995  * Each item in the array has to have a 'level' property
 996  * the item itself gets printed by the given $func user
 997  * function. The second and optional function is used to
 998  * print the <li> tag. Both user function need to accept
 999  * a single item.
1000  *
1001  * Both user functions can be given as array to point to
1002  * a member of an object.
1003  *
1004  * @author Andreas Gohr <andi@splitbrain.org>
1005  *
1006  * @param array    $data  array with item arrays
1007  * @param string   $class class of ul wrapper
1008  * @param callable $func  callback to print an list item
1009  * @param callable $lifunc callback to the opening li tag
1010  * @param bool     $forcewrapper Trigger building a wrapper ul if the first level is
1011  *                               0 (we have a root object) or 1 (just the root content)
1012  * @return string html of an unordered list
1013  */
1014 function html_buildlist($data,$class,$func,$lifunc='html_li_default',$forcewrapper=false){
1015     if (count($data) === 0) {
1016         return '';
1017     }
1018
1019     $firstElement = reset($data);
1020     $start_level = $firstElement['level'];
1021     $level = $start_level;
1022     $ret   = '';
1023     $open  = 0;
1024
1025     foreach ($data as $item){
1026
1027         if( $item['level'] > $level ){
1028             //open new list
1029             for($i=0; $i<($item['level'] - $level); $i++){
1030                 if ($i) $ret .= "<li class=\"clear\">";
1031                 $ret .= "\n<ul class=\"$class\">\n";
1032                 $open++;
1033             }
1034             $level = $item['level'];
1035
1036         }elseif( $item['level'] < $level ){
1037             //close last item
1038             $ret .= "</li>\n";
1039             while( $level > $item['level'] && $open > 0 ){
1040                 //close higher lists
1041                 $ret .= "</ul>\n</li>\n";
1042                 $level--;
1043                 $open--;
1044             }
1045         } elseif ($ret !== '') {
1046             //close previous item
1047             $ret .= "</li>\n";
1048         }
1049
1050         //print item
1051         $ret .= call_user_func($lifunc,$item);
1052         $ret .= '<div class="li">';
1053
1054         $ret .= call_user_func($func,$item);
1055         $ret .= '</div>';
1056     }
1057
1058     //close remaining items and lists
1059     $ret .= "</li>\n";
1060     while($open-- > 0) {
1061         $ret .= "</ul></li>\n";
1062     }
1063
1064     if ($forcewrapper || $start_level < 2) {
1065         // Trigger building a wrapper ul if the first level is
1066         // 0 (we have a root object) or 1 (just the root content)
1067         $ret = "\n<ul class=\"$class\">\n".$ret."</ul>\n";
1068     }
1069
1070     return $ret;
1071 }
1072
1073 /**
1074  * display backlinks
1075  *
1076  * @author Andreas Gohr <andi@splitbrain.org>
1077  * @author Michael Klier <chi@chimeric.de>
1078  */
1079 function html_backlinks(){
1080     global $ID;
1081     global $lang;
1082
1083     print p_locale_xhtml('backlinks');
1084
1085     $data = ft_backlinks($ID);
1086
1087     if(!empty($data)) {
1088         print '<ul class="idx">';
1089         foreach($data as $blink){
1090             print '<li><div class="li">';
1091             print html_wikilink(':'.$blink,useHeading('navigation')?null:$blink);
1092             print '</div></li>';
1093         }
1094         print '</ul>';
1095     } else {
1096         print '<div class="level1"><p>' . $lang['nothingfound'] . '</p></div>';
1097     }
1098 }
1099
1100 /**
1101  * Get header of diff HTML
1102  *
1103  * @param string $l_rev   Left revisions
1104  * @param string $r_rev   Right revision
1105  * @param string $id      Page id, if null $ID is used
1106  * @param bool   $media   If it is for media files
1107  * @param bool   $inline  Return the header on a single line
1108  * @return string[] HTML snippets for diff header
1109  */
1110 function html_diff_head($l_rev, $r_rev, $id = null, $media = false, $inline = false) {
1111     global $lang;
1112     if ($id === null) {
1113         global $ID;
1114         $id = $ID;
1115     }
1116     $head_separator = $inline ? ' ' : '<br />';
1117     $media_or_wikiFN = $media ? 'mediaFN' : 'wikiFN';
1118     $ml_or_wl = $media ? 'ml' : 'wl';
1119     $l_minor = $r_minor = '';
1120
1121     if($media) {
1122         $changelog = new MediaChangeLog($id);
1123     } else {
1124         $changelog = new PageChangeLog($id);
1125     }
1126     if(!$l_rev){
1127         $l_head = '&mdash;';
1128     }else{
1129         $l_info   = $changelog->getRevisionInfo($l_rev);
1130         if($l_info['user']){
1131             $l_user = '<bdi>'.editorinfo($l_info['user']).'</bdi>';
1132             if(auth_ismanager()) $l_user .= ' <bdo dir="ltr">('.$l_info['ip'].')</bdo>';
1133         } else {
1134             $l_user = '<bdo dir="ltr">'.$l_info['ip'].'</bdo>';
1135         }
1136         $l_user  = '<span class="user">'.$l_user.'</span>';
1137         $l_sum   = ($l_info['sum']) ? '<span class="sum"><bdi>'.hsc($l_info['sum']).'</bdi></span>' : '';
1138         if ($l_info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT) $l_minor = 'class="minor"';
1139
1140         $l_head_title = ($media) ? dformat($l_rev) : $id.' ['.dformat($l_rev).']';
1141         $l_head = '<bdi><a class="wikilink1" href="'.$ml_or_wl($id,"rev=$l_rev").'">'.
1142         $l_head_title.'</a></bdi>'.
1143         $head_separator.$l_user.' '.$l_sum;
1144     }
1145
1146     if($r_rev){
1147         $r_info   = $changelog->getRevisionInfo($r_rev);
1148         if($r_info['user']){
1149             $r_user = '<bdi>'.editorinfo($r_info['user']).'</bdi>';
1150             if(auth_ismanager()) $r_user .= ' <bdo dir="ltr">('.$r_info['ip'].')</bdo>';
1151         } else {
1152             $r_user = '<bdo dir="ltr">'.$r_info['ip'].'</bdo>';
1153         }
1154         $r_user = '<span class="user">'.$r_user.'</span>';
1155         $r_sum  = ($r_info['sum']) ? '<span class="sum"><bdi>'.hsc($r_info['sum']).'</bdi></span>' : '';
1156         if ($r_info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT) $r_minor = 'class="minor"';
1157
1158         $r_head_title = ($media) ? dformat($r_rev) : $id.' ['.dformat($r_rev).']';
1159         $r_head = '<bdi><a class="wikilink1" href="'.$ml_or_wl($id,"rev=$r_rev").'">'.
1160         $r_head_title.'</a></bdi>'.
1161         $head_separator.$r_user.' '.$r_sum;
1162     }elseif($_rev = @filemtime($media_or_wikiFN($id))){
1163         $_info   = $changelog->getRevisionInfo($_rev);
1164         if($_info['user']){
1165             $_user = '<bdi>'.editorinfo($_info['user']).'</bdi>';
1166             if(auth_ismanager()) $_user .= ' <bdo dir="ltr">('.$_info['ip'].')</bdo>';
1167         } else {
1168             $_user = '<bdo dir="ltr">'.$_info['ip'].'</bdo>';
1169         }
1170         $_user = '<span class="user">'.$_user.'</span>';
1171         $_sum  = ($_info['sum']) ? '<span class="sum"><bdi>'.hsc($_info['sum']).'</span></bdi>' : '';
1172         if ($_info['type']===DOKU_CHANGE_TYPE_MINOR_EDIT) $r_minor = 'class="minor"';
1173
1174         $r_head_title = ($media) ? dformat($_rev) : $id.' ['.dformat($_rev).']';
1175         $r_head  = '<bdi><a class="wikilink1" href="'.$ml_or_wl($id).'">'.
1176         $r_head_title.'</a></bdi> '.
1177         '('.$lang['current'].')'.
1178         $head_separator.$_user.' '.$_sum;
1179     }else{
1180         $r_head = '&mdash; ('.$lang['current'].')';
1181     }
1182
1183     return array($l_head, $r_head, $l_minor, $r_minor);
1184 }
1185
1186 /**
1187  * Show diff
1188  * between current page version and provided $text
1189  * or between the revisions provided via GET or POST
1190  *
1191  * @author Andreas Gohr <andi@splitbrain.org>
1192  * @param  string $text  when non-empty: compare with this text with most current version
1193  * @param  bool   $intro display the intro text
1194  * @param  string $type  type of the diff (inline or sidebyside)
1195  */
1196 function html_diff($text = '', $intro = true, $type = null) {
1197     global $ID;
1198     global $REV;
1199     global $lang;
1200     global $INPUT;
1201     global $INFO;
1202     $pagelog = new PageChangeLog($ID);
1203
1204     /*
1205      * Determine diff type
1206      */
1207     if(!$type) {
1208         $type = $INPUT->str('difftype');
1209         if(empty($type)) {
1210             $type = get_doku_pref('difftype', $type);
1211             if(empty($type) && $INFO['ismobile']) {
1212                 $type = 'inline';
1213             }
1214         }
1215     }
1216     if($type != 'inline') $type = 'sidebyside';
1217
1218     /*
1219      * Determine requested revision(s)
1220      */
1221     // we're trying to be clever here, revisions to compare can be either
1222     // given as rev and rev2 parameters, with rev2 being optional. Or in an
1223     // array in rev2.
1224     $rev1 = $REV;
1225
1226     $rev2 = $INPUT->ref('rev2');
1227     if(is_array($rev2)) {
1228         $rev1 = (int) $rev2[0];
1229         $rev2 = (int) $rev2[1];
1230
1231         if(!$rev1) {
1232             $rev1 = $rev2;
1233             unset($rev2);
1234         }
1235     } else {
1236         $rev2 = $INPUT->int('rev2');
1237     }
1238
1239     /*
1240      * Determine left and right revision, its texts and the header
1241      */
1242     $r_minor = '';
1243     $l_minor = '';
1244
1245     if($text) { // compare text to the most current revision
1246         $l_rev = '';
1247         $l_text = rawWiki($ID, '');
1248         $l_head = '<a class="wikilink1" href="' . wl($ID) . '">' .
1249             $ID . ' ' . dformat((int) @filemtime(wikiFN($ID))) . '</a> ' .
1250             $lang['current'];
1251
1252         $r_rev = '';
1253         $r_text = cleanText($text);
1254         $r_head = $lang['yours'];
1255     } else {
1256         if($rev1 && isset($rev2) && $rev2) { // two specific revisions wanted
1257             // make sure order is correct (older on the left)
1258             if($rev1 < $rev2) {
1259                 $l_rev = $rev1;
1260                 $r_rev = $rev2;
1261             } else {
1262                 $l_rev = $rev2;
1263                 $r_rev = $rev1;
1264             }
1265         } elseif($rev1) { // single revision given, compare to current
1266             $r_rev = '';
1267             $l_rev = $rev1;
1268         } else { // no revision was given, compare previous to current
1269             $r_rev = '';
1270             $revs = $pagelog->getRevisions(0, 1);
1271             $l_rev = $revs[0];
1272             $REV = $l_rev; // store revision back in $REV
1273         }
1274
1275         // when both revisions are empty then the page was created just now
1276         if(!$l_rev && !$r_rev) {
1277             $l_text = '';
1278         } else {
1279             $l_text = rawWiki($ID, $l_rev);
1280         }
1281         $r_text = rawWiki($ID, $r_rev);
1282
1283         list($l_head, $r_head, $l_minor, $r_minor) = html_diff_head($l_rev, $r_rev, null, false, $type == 'inline');
1284     }
1285
1286     /*
1287      * Build navigation
1288      */
1289     $l_nav = '';
1290     $r_nav = '';
1291     if(!$text) {
1292         list($l_nav, $r_nav) = html_diff_navigation($pagelog, $type, $l_rev, $r_rev);
1293     }
1294     /*
1295      * Create diff object and the formatter
1296      */
1297     $diff = new Diff(explode("\n", $l_text), explode("\n", $r_text));
1298
1299     if($type == 'inline') {
1300         $diffformatter = new InlineDiffFormatter();
1301     } else {
1302         $diffformatter = new TableDiffFormatter();
1303     }
1304     /*
1305      * Display intro
1306      */
1307     if($intro) print p_locale_xhtml('diff');
1308
1309     /*
1310      * Display type and exact reference
1311      */
1312     if(!$text) {
1313         ptln('<div class="diffoptions group">');
1314
1315
1316         $form = new Doku_Form(array('action' => wl()));
1317         $form->addHidden('id', $ID);
1318         $form->addHidden('rev2[0]', $l_rev);
1319         $form->addHidden('rev2[1]', $r_rev);
1320         $form->addHidden('do', 'diff');
1321         $form->addElement(
1322              form_makeListboxField(
1323                  'difftype',
1324                  array(
1325                      'sidebyside' => $lang['diff_side'],
1326                      'inline' => $lang['diff_inline']
1327                  ),
1328                  $type,
1329                  $lang['diff_type'],
1330                  '', '',
1331                  array('class' => 'quickselect')
1332              )
1333         );
1334         $form->addElement(form_makeButton('submit', 'diff', 'Go'));
1335         $form->printForm();
1336
1337         ptln('<p>');
1338         // link to exactly this view FS#2835
1339         echo html_diff_navigationlink($type, 'difflink', $l_rev, $r_rev ? $r_rev : $INFO['currentrev']);
1340         ptln('</p>');
1341
1342         ptln('</div>'); // .diffoptions
1343     }
1344
1345     /*
1346      * Display diff view table
1347      */
1348     ?>
1349     <div class="table">
1350     <table class="diff diff_<?php echo $type ?>">
1351
1352         <?php
1353         //navigation and header
1354         if($type == 'inline') {
1355             if(!$text) { ?>
1356                 <tr>
1357                     <td class="diff-lineheader">-</td>
1358                     <td class="diffnav"><?php echo $l_nav ?></td>
1359                 </tr>
1360                 <tr>
1361                     <th class="diff-lineheader">-</th>
1362                     <th <?php echo $l_minor ?>>
1363                         <?php echo $l_head ?>
1364                     </th>
1365                 </tr>
1366             <?php } ?>
1367             <tr>
1368                 <td class="diff-lineheader">+</td>
1369                 <td class="diffnav"><?php echo $r_nav ?></td>
1370             </tr>
1371             <tr>
1372                 <th class="diff-lineheader">+</th>
1373                 <th <?php echo $r_minor ?>>
1374                     <?php echo $r_head ?>
1375                 </th>
1376             </tr>
1377         <?php } else {
1378             if(!$text) { ?>
1379                 <tr>
1380                     <td colspan="2" class="diffnav"><?php echo $l_nav ?></td>
1381                     <td colspan="2" class="diffnav"><?php echo $r_nav ?></td>
1382                 </tr>
1383             <?php } ?>
1384             <tr>
1385                 <th colspan="2" <?php echo $l_minor ?>>
1386                     <?php echo $l_head ?>
1387                 </th>
1388                 <th colspan="2" <?php echo $r_minor ?>>
1389                     <?php echo $r_head ?>
1390                 </th>
1391             </tr>
1392         <?php }
1393
1394         //diff view
1395         echo html_insert_softbreaks($diffformatter->format($diff)); ?>
1396
1397     </table>
1398     </div>
1399 <?php
1400 }
1401
1402 /**
1403  * Create html for revision navigation
1404  *
1405  * @param PageChangeLog $pagelog changelog object of current page
1406  * @param string        $type    inline vs sidebyside
1407  * @param int           $l_rev   left revision timestamp
1408  * @param int           $r_rev   right revision timestamp
1409  * @return string[] html of left and right navigation elements
1410  */
1411 function html_diff_navigation($pagelog, $type, $l_rev, $r_rev) {
1412     global $INFO, $ID;
1413
1414     // last timestamp is not in changelog, retrieve timestamp from metadata
1415     // note: when page is removed, the metadata timestamp is zero
1416     if(!$r_rev) {
1417         if(isset($INFO['meta']['last_change']['date'])) {
1418             $r_rev = $INFO['meta']['last_change']['date'];
1419         } else {
1420             $r_rev = 0;
1421         }
1422     }
1423
1424     //retrieve revisions with additional info
1425     list($l_revs, $r_revs) = $pagelog->getRevisionsAround($l_rev, $r_rev);
1426     $l_revisions = array();
1427     if(!$l_rev) {
1428         $l_revisions[0] = array(0, "", false); //no left revision given, add dummy
1429     }
1430     foreach($l_revs as $rev) {
1431         $info = $pagelog->getRevisionInfo($rev);
1432         $l_revisions[$rev] = array(
1433             $rev,
1434             dformat($info['date']) . ' ' . editorinfo($info['user'], true) . ' ' . $info['sum'],
1435             $r_rev ? $rev >= $r_rev : false //disable?
1436         );
1437     }
1438     $r_revisions = array();
1439     if(!$r_rev) {
1440         $r_revisions[0] = array(0, "", false); //no right revision given, add dummy
1441     }
1442     foreach($r_revs as $rev) {
1443         $info = $pagelog->getRevisionInfo($rev);
1444         $r_revisions[$rev] = array(
1445             $rev,
1446             dformat($info['date']) . ' ' . editorinfo($info['user'], true) . ' ' . $info['sum'],
1447             $rev <= $l_rev //disable?
1448         );
1449     }
1450
1451     //determine previous/next revisions
1452     $l_index = array_search($l_rev, $l_revs);
1453     $l_prev = $l_revs[$l_index + 1];
1454     $l_next = $l_revs[$l_index - 1];
1455     if($r_rev) {
1456         $r_index = array_search($r_rev, $r_revs);
1457         $r_prev = $r_revs[$r_index + 1];
1458         $r_next = $r_revs[$r_index - 1];
1459     } else {
1460         //removed page
1461         if($l_next) {
1462             $r_prev = $r_revs[0];
1463         } else {
1464             $r_prev = null;
1465         }
1466         $r_next = null;
1467     }
1468
1469     /*
1470      * Left side:
1471      */
1472     $l_nav = '';
1473     //move back
1474     if($l_prev) {
1475         $l_nav .= html_diff_navigationlink($type, 'diffbothprevrev', $l_prev, $r_prev);
1476         $l_nav .= html_diff_navigationlink($type, 'diffprevrev', $l_prev, $r_rev);
1477     }
1478     //dropdown
1479     $form = new Doku_Form(array('action' => wl()));
1480     $form->addHidden('id', $ID);
1481     $form->addHidden('difftype', $type);
1482     $form->addHidden('rev2[1]', $r_rev);
1483     $form->addHidden('do', 'diff');
1484     $form->addElement(
1485          form_makeListboxField(
1486              'rev2[0]',
1487              $l_revisions,
1488              $l_rev,
1489              '', '', '',
1490              array('class' => 'quickselect')
1491          )
1492     );
1493     $form->addElement(form_makeButton('submit', 'diff', 'Go'));
1494     $l_nav .= $form->getForm();
1495     //move forward
1496     if($l_next && ($l_next < $r_rev || !$r_rev)) {
1497         $l_nav .= html_diff_navigationlink($type, 'diffnextrev', $l_next, $r_rev);
1498     }
1499
1500     /*
1501      * Right side:
1502      */
1503     $r_nav = '';
1504     //move back
1505     if($l_rev < $r_prev) {
1506         $r_nav .= html_diff_navigationlink($type, 'diffprevrev', $l_rev, $r_prev);
1507     }
1508     //dropdown
1509     $form = new Doku_Form(array('action' => wl()));
1510     $form->addHidden('id', $ID);
1511     $form->addHidden('rev2[0]', $l_rev);
1512     $form->addHidden('difftype', $type);
1513     $form->addHidden('do', 'diff');
1514     $form->addElement(
1515          form_makeListboxField(
1516              'rev2[1]',
1517              $r_revisions,
1518              $r_rev,
1519              '', '', '',
1520              array('class' => 'quickselect')
1521          )
1522     );
1523     $form->addElement(form_makeButton('submit', 'diff', 'Go'));
1524     $r_nav .= $form->getForm();
1525     //move forward
1526     if($r_next) {
1527         if($pagelog->isCurrentRevision($r_next)) {
1528             $r_nav .= html_diff_navigationlink($type, 'difflastrev', $l_rev); //last revision is diff with current page
1529         } else {
1530             $r_nav .= html_diff_navigationlink($type, 'diffnextrev', $l_rev, $r_next);
1531         }
1532         $r_nav .= html_diff_navigationlink($type, 'diffbothnextrev', $l_next, $r_next);
1533     }
1534     return array($l_nav, $r_nav);
1535 }
1536
1537 /**
1538  * Create html link to a diff defined by two revisions
1539  *
1540  * @param string $difftype display type
1541  * @param string $linktype
1542  * @param int $lrev oldest revision
1543  * @param int $rrev newest revision or null for diff with current revision
1544  * @return string html of link to a diff
1545  */
1546 function html_diff_navigationlink($difftype, $linktype, $lrev, $rrev = null) {
1547     global $ID, $lang;
1548     if(!$rrev) {
1549         $urlparam = array(
1550             'do' => 'diff',
1551             'rev' => $lrev,
1552             'difftype' => $difftype,
1553         );
1554     } else {
1555         $urlparam = array(
1556             'do' => 'diff',
1557             'rev2[0]' => $lrev,
1558             'rev2[1]' => $rrev,
1559             'difftype' => $difftype,
1560         );
1561     }
1562     return  '<a class="' . $linktype . '" href="' . wl($ID, $urlparam) . '" title="' . $lang[$linktype] . '">' .
1563                 '<span>' . $lang[$linktype] . '</span>' .
1564             '</a>' . "\n";
1565 }
1566
1567 /**
1568  * Insert soft breaks in diff html
1569  *
1570  * @param string $diffhtml
1571  * @return string
1572  */
1573 function html_insert_softbreaks($diffhtml) {
1574     // search the diff html string for both:
1575     // - html tags, so these can be ignored
1576     // - long strings of characters without breaking characters
1577     return preg_replace_callback('/<[^>]*>|[^<> ]{12,}/','html_softbreak_callback',$diffhtml);
1578 }
1579
1580 /**
1581  * callback which adds softbreaks
1582  *
1583  * @param array $match array with first the complete match
1584  * @return string the replacement
1585  */
1586 function html_softbreak_callback($match){
1587     // if match is an html tag, return it intact
1588     if ($match[0][0] == '<') return $match[0];
1589
1590     // its a long string without a breaking character,
1591     // make certain characters into breaking characters by inserting a
1592     // word break opportunity (<wbr> tag) in front of them.
1593     $regex = <<< REGEX
1594 (?(?=              # start a conditional expression with a positive look ahead ...
1595 &\#?\\w{1,6};)     # ... for html entities - we don't want to split them (ok to catch some invalid combinations)
1596 &\#?\\w{1,6};      # yes pattern - a quicker match for the html entity, since we know we have one
1597 |
1598 [?/,&\#;:]         # no pattern - any other group of 'special' characters to insert a breaking character after
1599 )+                 # end conditional expression
1600 REGEX;
1601
1602     return preg_replace('<'.$regex.'>xu','\0<wbr>',$match[0]);
1603 }
1604
1605 /**
1606  * show warning on conflict detection
1607  *
1608  * @author Andreas Gohr <andi@splitbrain.org>
1609  *
1610  * @param string $text
1611  * @param string $summary
1612  */
1613 function html_conflict($text,$summary){
1614     global $ID;
1615     global $lang;
1616
1617     print p_locale_xhtml('conflict');
1618     $form = new Doku_Form(array('id' => 'dw__editform'));
1619     $form->addHidden('id', $ID);
1620     $form->addHidden('wikitext', $text);
1621     $form->addHidden('summary', $summary);
1622     $form->addElement(form_makeButton('submit', 'save', $lang['btn_save'], array('accesskey'=>'s')));
1623     $form->addElement(form_makeButton('submit', 'cancel', $lang['btn_cancel']));
1624     html_form('conflict', $form);
1625     print '<br /><br /><br /><br />'.NL;
1626 }
1627
1628 /**
1629  * Prints the global message array
1630  *
1631  * @author Andreas Gohr <andi@splitbrain.org>
1632  */
1633 function html_msgarea(){
1634     global $MSG, $MSG_shown;
1635     /** @var array $MSG */
1636     // store if the global $MSG has already been shown and thus HTML output has been started
1637     $MSG_shown = true;
1638
1639     if(!isset($MSG)) return;
1640
1641     $shown = array();
1642     foreach($MSG as $msg){
1643         $hash = md5($msg['msg']);
1644         if(isset($shown[$hash])) continue; // skip double messages
1645         if(info_msg_allowed($msg)){
1646             print '<div class="'.$msg['lvl'].'">';
1647             print $msg['msg'];
1648             print '</div>';
1649         }
1650         $shown[$hash] = 1;
1651     }
1652
1653     unset($GLOBALS['MSG']);
1654 }
1655
1656 /**
1657  * Prints the registration form
1658  *
1659  * @author Andreas Gohr <andi@splitbrain.org>
1660  */
1661 function html_register(){
1662     global $lang;
1663     global $conf;
1664     global $INPUT;
1665
1666     $base_attrs = array('size'=>50,'required'=>'required');
1667     $email_attrs = $base_attrs + array('type'=>'email','class'=>'edit');
1668
1669     print p_locale_xhtml('register');
1670     print '<div class="centeralign">'.NL;
1671     $form = new Doku_Form(array('id' => 'dw__register'));
1672     $form->startFieldset($lang['btn_register']);
1673     $form->addHidden('do', 'register');
1674     $form->addHidden('save', '1');
1675     $form->addElement(
1676         form_makeTextField(
1677             'login',
1678             $INPUT->post->str('login'),
1679             $lang['user'],
1680             '',
1681             'block',
1682             $base_attrs
1683         )
1684     );
1685     if (!$conf['autopasswd']) {
1686         $form->addElement(form_makePasswordField('pass', $lang['pass'], '', 'block', $base_attrs));
1687         $form->addElement(form_makePasswordField('passchk', $lang['passchk'], '', 'block', $base_attrs));
1688     }
1689     $form->addElement(
1690         form_makeTextField(
1691             'fullname',
1692             $INPUT->post->str('fullname'),
1693             $lang['fullname'],
1694             '',
1695             'block',
1696             $base_attrs
1697         )
1698     );
1699     $form->addElement(
1700         form_makeField(
1701             'email',
1702             'email',
1703             $INPUT->post->str('email'),
1704             $lang['email'],
1705             '',
1706             'block',
1707             $email_attrs
1708         )
1709     );
1710     $form->addElement(form_makeButton('submit', '', $lang['btn_register']));
1711     $form->endFieldset();
1712     html_form('register', $form);
1713
1714     print '</div>'.NL;
1715 }
1716
1717 /**
1718  * Print the update profile form
1719  *
1720  * @author Christopher Smith <chris@jalakai.co.uk>
1721  * @author Andreas Gohr <andi@splitbrain.org>
1722  */
1723 function html_updateprofile(){
1724     global $lang;
1725     global $conf;
1726     global $INPUT;
1727     global $INFO;
1728     /** @var AuthPlugin $auth */
1729     global $auth;
1730
1731     print p_locale_xhtml('updateprofile');
1732     print '<div class="centeralign">'.NL;
1733
1734     $fullname = $INPUT->post->str('fullname', $INFO['userinfo']['name'], true);
1735     $email = $INPUT->post->str('email', $INFO['userinfo']['mail'], true);
1736     $form = new Doku_Form(array('id' => 'dw__register'));
1737     $form->startFieldset($lang['profile']);
1738     $form->addHidden('do', 'profile');
1739     $form->addHidden('save', '1');
1740     $form->addElement(
1741         form_makeTextField(
1742             'login',
1743             $_SERVER['REMOTE_USER'],
1744             $lang['user'],
1745             '',
1746             'block',
1747             array('size' => '50', 'disabled' => 'disabled')
1748         )
1749     );
1750     $attr = array('size'=>'50');
1751     if (!$auth->canDo('modName')) $attr['disabled'] = 'disabled';
1752     $form->addElement(form_makeTextField('fullname', $fullname, $lang['fullname'], '', 'block', $attr));
1753     $attr = array('size'=>'50', 'class'=>'edit');
1754     if (!$auth->canDo('modMail')) $attr['disabled'] = 'disabled';
1755     $form->addElement(form_makeField('email','email', $email, $lang['email'], '', 'block', $attr));
1756     $form->addElement(form_makeTag('br'));
1757     if ($auth->canDo('modPass')) {
1758         $form->addElement(form_makePasswordField('newpass', $lang['newpass'], '', 'block', array('size'=>'50')));
1759         $form->addElement(form_makePasswordField('passchk', $lang['passchk'], '', 'block', array('size'=>'50')));
1760     }
1761     if ($conf['profileconfirm']) {
1762         $form->addElement(form_makeTag('br'));
1763         $form->addElement(
1764             form_makePasswordField(
1765                 'oldpass',
1766                 $lang['oldpass'],
1767                 '',
1768                 'block',
1769                 array('size' => '50', 'required' => 'required')
1770             )
1771         );
1772     }
1773     $form->addElement(form_makeButton('submit', '', $lang['btn_save']));
1774     $form->addElement(form_makeButton('reset', '', $lang['btn_reset']));
1775
1776     $form->endFieldset();
1777     html_form('updateprofile', $form);
1778
1779     if ($auth->canDo('delUser') && actionOK('profile_delete')) {
1780         $form_profiledelete = new Doku_Form(array('id' => 'dw__profiledelete'));
1781         $form_profiledelete->startFieldset($lang['profdeleteuser']);
1782         $form_profiledelete->addHidden('do', 'profile_delete');
1783         $form_profiledelete->addHidden('delete', '1');
1784         $form_profiledelete->addElement(
1785             form_makeCheckboxField(
1786                 'confirm_delete',
1787                 '1',
1788                 $lang['profconfdelete'],
1789                 'dw__confirmdelete',
1790                 '',
1791                 array('required' => 'required')
1792             )
1793         );
1794         if ($conf['profileconfirm']) {
1795             $form_profiledelete->addElement(form_makeTag('br'));
1796             $form_profiledelete->addElement(
1797                 form_makePasswordField(
1798                     'oldpass',
1799                     $lang['oldpass'],
1800                     '',
1801                     'block',
1802                     array('size' => '50', 'required' => 'required')
1803                 )
1804             );
1805         }
1806         $form_profiledelete->addElement(form_makeButton('submit', '', $lang['btn_deleteuser']));
1807         $form_profiledelete->endFieldset();
1808
1809         html_form('profiledelete', $form_profiledelete);
1810     }
1811
1812     print '</div>'.NL;
1813 }
1814
1815 /**
1816  * Preprocess edit form data
1817  *
1818  * @author   Andreas Gohr <andi@splitbrain.org>
1819  *
1820  * @triggers HTML_EDITFORM_OUTPUT
1821  */
1822 function html_edit(){
1823     global $INPUT;
1824     global $ID;
1825     global $REV;
1826     global $DATE;
1827     global $PRE;
1828     global $SUF;
1829     global $INFO;
1830     global $SUM;
1831     global $lang;
1832     global $conf;
1833     global $TEXT;
1834
1835     if ($INPUT->has('changecheck')) {
1836         $check = $INPUT->str('changecheck');
1837     } elseif(!$INFO['exists']){
1838         // $TEXT has been loaded from page template
1839         $check = md5('');
1840     } else {
1841         $check = md5($TEXT);
1842     }
1843     $mod = md5($TEXT) !== $check;
1844
1845     $wr = $INFO['writable'] && !$INFO['locked'];
1846     $include = 'edit';
1847     if($wr){
1848         if ($REV) $include = 'editrev';
1849     }else{
1850         // check pseudo action 'source'
1851         if(!actionOK('source')){
1852             msg('Command disabled: source',-1);
1853             return;
1854         }
1855         $include = 'read';
1856     }
1857
1858     global $license;
1859
1860     $form = new Doku_Form(array('id' => 'dw__editform'));
1861     $form->addHidden('id', $ID);
1862     $form->addHidden('rev', $REV);
1863     $form->addHidden('date', $DATE);
1864     $form->addHidden('prefix', $PRE . '.');
1865     $form->addHidden('suffix', $SUF);
1866     $form->addHidden('changecheck', $check);
1867
1868     $data = array('form' => $form,
1869                   'wr'   => $wr,
1870                   'media_manager' => true,
1871                   'target' => ($INPUT->has('target') && $wr) ? $INPUT->str('target') : 'section',
1872                   'intro_locale' => $include);
1873
1874     if ($data['target'] !== 'section') {
1875         // Only emit event if page is writable, section edit data is valid and
1876         // edit target is not section.
1877         Event::createAndTrigger('HTML_EDIT_FORMSELECTION', $data, 'html_edit_form', true);
1878     } else {
1879         html_edit_form($data);
1880     }
1881     if (isset($data['intro_locale'])) {
1882         echo p_locale_xhtml($data['intro_locale']);
1883     }
1884
1885     $form->addHidden('target', $data['target']);
1886     if ($INPUT->has('hid')) {
1887         $form->addHidden('hid', $INPUT->str('hid'));
1888     }
1889     if ($INPUT->has('codeblockOffset')) {
1890         $form->addHidden('codeblockOffset', $INPUT->str('codeblockOffset'));
1891     }
1892     $form->addElement(form_makeOpenTag('div', array('id'=>'wiki__editbar', 'class'=>'editBar')));
1893     $form->addElement(form_makeOpenTag('div', array('id'=>'size__ctl')));
1894     $form->addElement(form_makeCloseTag('div'));
1895     if ($wr) {
1896         $form->addElement(form_makeOpenTag('div', array('class'=>'editButtons')));
1897         $form->addElement(
1898             form_makeButton(
1899                 'submit',
1900                 'save',
1901                 $lang['btn_save'],
1902                 array('id' => 'edbtn__save', 'accesskey' => 's', 'tabindex' => '4')
1903             )
1904         );
1905         $form->addElement(
1906             form_makeButton(
1907                 'submit',
1908                 'preview',
1909                 $lang['btn_preview'],
1910                 array('id' => 'edbtn__preview', 'accesskey' => 'p', 'tabindex' => '5')
1911             )
1912         );
1913         $form->addElement(form_makeButton('submit', 'cancel', $lang['btn_cancel'], array('tabindex'=>'6')));
1914         $form->addElement(form_makeCloseTag('div'));
1915         $form->addElement(form_makeOpenTag('div', array('class'=>'summary')));
1916         $form->addElement(
1917             form_makeTextField(
1918                 'summary',
1919                 $SUM,
1920                 $lang['summary'],
1921                 'edit__summary',
1922                 'nowrap',
1923                 array('size' => '50', 'tabindex' => '2')
1924             )
1925         );
1926         $elem = html_minoredit();
1927         if ($elem) $form->addElement($elem);
1928         $form->addElement(form_makeCloseTag('div'));
1929     }
1930     $form->addElement(form_makeCloseTag('div'));
1931     if($wr && $conf['license']){
1932         $form->addElement(form_makeOpenTag('div', array('class'=>'license')));
1933         $out  = $lang['licenseok'];
1934         $out .= ' <a href="'.$license[$conf['license']]['url'].'" rel="license" class="urlextern"';
1935         if($conf['target']['extern']) $out .= ' target="'.$conf['target']['extern'].'"';
1936         $out .= '>'.$license[$conf['license']]['name'].'</a>';
1937         $form->addElement($out);
1938         $form->addElement(form_makeCloseTag('div'));
1939     }
1940
1941     if ($wr) {
1942         // sets changed to true when previewed
1943         echo '<script>/*<![CDATA[*/'. NL;
1944         echo 'textChanged = ' . ($mod ? 'true' : 'false');
1945         echo '/*!]]>*/</script>' . NL;
1946     } ?>
1947     <div class="editBox" role="application">
1948
1949     <div class="toolbar group">
1950         <div id="tool__bar" class="tool__bar"><?php
1951             if ($wr && $data['media_manager']){
1952                 ?><a href="<?php echo DOKU_BASE?>lib/exe/mediamanager.php?ns=<?php echo $INFO['namespace']?>"
1953                 target="_blank"><?php echo $lang['mediaselect'] ?></a><?php
1954             }?>
1955         </div>
1956     </div>
1957     <div id="draft__status" class="draft__status">
1958         <?php
1959         $draft = new \dokuwiki\Draft($ID, $INFO['client']);
1960         if ($draft->isDraftAvailable()) {
1961             echo $draft->getDraftMessage();
1962         }
1963         ?>
1964     </div>
1965     <?php
1966
1967     html_form('edit', $form);
1968     print '</div>'.NL;
1969 }
1970
1971 /**
1972  * Display the default edit form
1973  *
1974  * Is the default action for HTML_EDIT_FORMSELECTION.
1975  *
1976  * @param mixed[] $param
1977  */
1978 function html_edit_form($param) {
1979     global $TEXT;
1980
1981     if ($param['target'] !== 'section') {
1982         msg('No editor for edit target ' . hsc($param['target']) . ' found.', -1);
1983     }
1984
1985     $attr = array('tabindex'=>'1');
1986     if (!$param['wr']) $attr['readonly'] = 'readonly';
1987
1988     $param['form']->addElement(form_makeWikiText($TEXT, $attr));
1989 }
1990
1991 /**
1992  * Adds a checkbox for minor edits for logged in users
1993  *
1994  * @author Andreas Gohr <andi@splitbrain.org>
1995  *
1996  * @return array|bool
1997  */
1998 function html_minoredit(){
1999     global $conf;
2000     global $lang;
2001     global $INPUT;
2002     // minor edits are for logged in users only
2003     if(!$conf['useacl'] || !$_SERVER['REMOTE_USER']){
2004         return false;
2005     }
2006
2007     $p = array();
2008     $p['tabindex'] = 3;
2009     if($INPUT->bool('minor')) $p['checked']='checked';
2010     return form_makeCheckboxField('minor', '1', $lang['minoredit'], 'minoredit', 'nowrap', $p);
2011 }
2012
2013 /**
2014  * prints some debug info
2015  *
2016  * @author Andreas Gohr <andi@splitbrain.org>
2017  */
2018 function html_debug(){
2019     global $conf;
2020     global $lang;
2021     /** @var AuthPlugin $auth */
2022     global $auth;
2023     global $INFO;
2024
2025     //remove sensitive data
2026     $cnf = $conf;
2027     debug_guard($cnf);
2028     $nfo = $INFO;
2029     debug_guard($nfo);
2030     $ses = $_SESSION;
2031     debug_guard($ses);
2032
2033     print '<html><body>';
2034
2035     print '<p>When reporting bugs please send all the following ';
2036     print 'output as a mail to andi@splitbrain.org ';
2037     print 'The best way to do this is to save this page in your browser</p>';
2038
2039     print '<b>$INFO:</b><pre>';
2040     print_r($nfo);
2041     print '</pre>';
2042
2043     print '<b>$_SERVER:</b><pre>';
2044     print_r($_SERVER);
2045     print '</pre>';
2046
2047     print '<b>$conf:</b><pre>';
2048     print_r($cnf);
2049     print '</pre>';
2050
2051     print '<b>DOKU_BASE:</b><pre>';
2052     print DOKU_BASE;
2053     print '</pre>';
2054
2055     print '<b>abs DOKU_BASE:</b><pre>';
2056     print DOKU_URL;
2057     print '</pre>';
2058
2059     print '<b>rel DOKU_BASE:</b><pre>';
2060     print dirname($_SERVER['PHP_SELF']).'/';
2061     print '</pre>';
2062
2063     print '<b>PHP Version:</b><pre>';
2064     print phpversion();
2065     print '</pre>';
2066
2067     print '<b>locale:</b><pre>';
2068     print setlocale(LC_ALL,0);
2069     print '</pre>';
2070
2071     print '<b>encoding:</b><pre>';
2072     print $lang['encoding'];
2073     print '</pre>';
2074
2075     if($auth){
2076         print '<b>Auth backend capabilities:</b><pre>';
2077         foreach ($auth->getCapabilities() as $cando){
2078             print '   '.str_pad($cando,16) . ' => ' . (int)$auth->canDo($cando) . NL;
2079         }
2080         print '</pre>';
2081     }
2082
2083     print '<b>$_SESSION:</b><pre>';
2084     print_r($ses);
2085     print '</pre>';
2086
2087     print '<b>Environment:</b><pre>';
2088     print_r($_ENV);
2089     print '</pre>';
2090
2091     print '<b>PHP settings:</b><pre>';
2092     $inis = ini_get_all();
2093     print_r($inis);
2094     print '</pre>';
2095
2096     if (function_exists('apache_get_version')) {
2097         $apache = array();
2098         $apache['version'] = apache_get_version();
2099
2100         if (function_exists('apache_get_modules')) {
2101             $apache['modules'] = apache_get_modules();
2102         }
2103         print '<b>Apache</b><pre>';
2104         print_r($apache);
2105         print '</pre>';
2106     }
2107
2108     print '</body></html>';
2109 }
2110
2111 /**
2112  * Form to request a new password for an existing account
2113  *
2114  * @author Benoit Chesneau <benoit@bchesneau.info>
2115  * @author Andreas Gohr <gohr@cosmocode.de>
2116  */
2117 function html_resendpwd() {
2118     global $lang;
2119     global $conf;
2120     global $INPUT;
2121
2122     $token = preg_replace('/[^a-f0-9]+/','',$INPUT->str('pwauth'));
2123
2124     if(!$conf['autopasswd'] && $token){
2125         print p_locale_xhtml('resetpwd');
2126         print '<div class="centeralign">'.NL;
2127         $form = new Doku_Form(array('id' => 'dw__resendpwd'));
2128         $form->startFieldset($lang['btn_resendpwd']);
2129         $form->addHidden('token', $token);
2130         $form->addHidden('do', 'resendpwd');
2131
2132         $form->addElement(form_makePasswordField('pass', $lang['pass'], '', 'block', array('size'=>'50')));
2133         $form->addElement(form_makePasswordField('passchk', $lang['passchk'], '', 'block', array('size'=>'50')));
2134
2135         $form->addElement(form_makeButton('submit', '', $lang['btn_resendpwd']));
2136         $form->endFieldset();
2137         html_form('resendpwd', $form);
2138         print '</div>'.NL;
2139     }else{
2140         print p_locale_xhtml('resendpwd');
2141         print '<div class="centeralign">'.NL;
2142         $form = new Doku_Form(array('id' => 'dw__resendpwd'));
2143         $form->startFieldset($lang['resendpwd']);
2144         $form->addHidden('do', 'resendpwd');
2145         $form->addHidden('save', '1');
2146         $form->addElement(form_makeTag('br'));
2147         $form->addElement(form_makeTextField('login', $INPUT->post->str('login'), $lang['user'], '', 'block'));
2148         $form->addElement(form_makeTag('br'));
2149         $form->addElement(form_makeTag('br'));
2150         $form->addElement(form_makeButton('submit', '', $lang['btn_resendpwd']));
2151         $form->endFieldset();
2152         html_form('resendpwd', $form);
2153         print '</div>'.NL;
2154     }
2155 }
2156
2157 /**
2158  * Return the TOC rendered to XHTML
2159  *
2160  * @author Andreas Gohr <andi@splitbrain.org>
2161  *
2162  * @param array $toc
2163  * @return string html
2164  */
2165 function html_TOC($toc){
2166     if(!count($toc)) return '';
2167     global $lang;
2168     $out  = '<!-- TOC START -->'.DOKU_LF;
2169     $out .= '<div id="dw__toc" class="dw__toc">'.DOKU_LF;
2170     $out .= '<h3 class="toggle">';
2171     $out .= $lang['toc'];
2172     $out .= '</h3>'.DOKU_LF;
2173     $out .= '<div>'.DOKU_LF;
2174     $out .= html_buildlist($toc,'toc','html_list_toc','html_li_default',true);
2175     $out .= '</div>'.DOKU_LF.'</div>'.DOKU_LF;
2176     $out .= '<!-- TOC END -->'.DOKU_LF;
2177     return $out;
2178 }
2179
2180 /**
2181  * Callback for html_buildlist
2182  *
2183  * @param array $item
2184  * @return string html
2185  */
2186 function html_list_toc($item){
2187     if(isset($item['hid'])){
2188         $link = '#'.$item['hid'];
2189     }else{
2190         $link = $item['link'];
2191     }
2192
2193     return '<a href="'.$link.'">'.hsc($item['title']).'</a>';
2194 }
2195
2196 /**
2197  * Helper function to build TOC items
2198  *
2199  * Returns an array ready to be added to a TOC array
2200  *
2201  * @param string $link  - where to link (if $hash set to '#' it's a local anchor)
2202  * @param string $text  - what to display in the TOC
2203  * @param int    $level - nesting level
2204  * @param string $hash  - is prepended to the given $link, set blank if you want full links
2205  * @return array the toc item
2206  */
2207 function html_mktocitem($link, $text, $level, $hash='#'){
2208     return  array( 'link'  => $hash.$link,
2209             'title' => $text,
2210             'type'  => 'ul',
2211             'level' => $level);
2212 }
2213
2214 /**
2215  * Output a Doku_Form object.
2216  * Triggers an event with the form name: HTML_{$name}FORM_OUTPUT
2217  *
2218  * @author Tom N Harris <tnharris@whoopdedo.org>
2219  *
2220  * @param string     $name The name of the form
2221  * @param Doku_Form  $form The form
2222  */
2223 function html_form($name, &$form) {
2224     // Safety check in case the caller forgets.
2225     $form->endFieldset();
2226     Event::createAndTrigger('HTML_'.strtoupper($name).'FORM_OUTPUT', $form, 'html_form_output', false);
2227 }
2228
2229 /**
2230  * Form print function.
2231  * Just calls printForm() on the data object.
2232  *
2233  * @param Doku_Form $data The form
2234  */
2235 function html_form_output($data) {
2236     $data->printForm();
2237 }
2238
2239 /**
2240  * Embed a flash object in HTML
2241  *
2242  * This will create the needed HTML to embed a flash movie in a cross browser
2243  * compatble way using valid XHTML
2244  *
2245  * The parameters $params, $flashvars and $atts need to be associative arrays.
2246  * No escaping needs to be done for them. The alternative content *has* to be
2247  * escaped because it is used as is. If no alternative content is given
2248  * $lang['noflash'] is used.
2249  *
2250  * @author Andreas Gohr <andi@splitbrain.org>
2251  * @link   http://latrine.dgx.cz/how-to-correctly-insert-a-flash-into-xhtml
2252  *
2253  * @param string $swf      - the SWF movie to embed
2254  * @param int $width       - width of the flash movie in pixels
2255  * @param int $height      - height of the flash movie in pixels
2256  * @param array $params    - additional parameters (<param>)
2257  * @param array $flashvars - parameters to be passed in the flashvar parameter
2258  * @param array $atts      - additional attributes for the <object> tag
2259  * @param string $alt      - alternative content (is NOT automatically escaped!)
2260  * @return string         - the XHTML markup
2261  */
2262 function html_flashobject($swf,$width,$height,$params=null,$flashvars=null,$atts=null,$alt=''){
2263     global $lang;
2264
2265     $out = '';
2266
2267     // prepare the object attributes
2268     if(is_null($atts)) $atts = array();
2269     $atts['width']  = (int) $width;
2270     $atts['height'] = (int) $height;
2271     if(!$atts['width'])  $atts['width']  = 425;
2272     if(!$atts['height']) $atts['height'] = 350;
2273
2274     // add object attributes for standard compliant browsers
2275     $std = $atts;
2276     $std['type'] = 'application/x-shockwave-flash';
2277     $std['data'] = $swf;
2278
2279     // add object attributes for IE
2280     $ie  = $atts;
2281     $ie['classid'] = 'clsid:D27CDB6E-AE6D-11cf-96B8-444553540000';
2282
2283     // open object (with conditional comments)
2284     $out .= '<!--[if !IE]> -->'.NL;
2285     $out .= '<object '.buildAttributes($std).'>'.NL;
2286     $out .= '<!-- <![endif]-->'.NL;
2287     $out .= '<!--[if IE]>'.NL;
2288     $out .= '<object '.buildAttributes($ie).'>'.NL;
2289     $out .= '    <param name="movie" value="'.hsc($swf).'" />'.NL;
2290     $out .= '<!--><!-- -->'.NL;
2291
2292     // print params
2293     if(is_array($params)) foreach($params as $key => $val){
2294         $out .= '  <param name="'.hsc($key).'" value="'.hsc($val).'" />'.NL;
2295     }
2296
2297     // add flashvars
2298     if(is_array($flashvars)){
2299         $out .= '  <param name="FlashVars" value="'.buildURLparams($flashvars).'" />'.NL;
2300     }
2301
2302     // alternative content
2303     if($alt){
2304         $out .= $alt.NL;
2305     }else{
2306         $out .= $lang['noflash'].NL;
2307     }
2308
2309     // finish
2310     $out .= '</object>'.NL;
2311     $out .= '<!-- <![endif]-->'.NL;
2312
2313     return $out;
2314 }
2315
2316 /**
2317  * Prints HTML code for the given tab structure
2318  *
2319  * @param array  $tabs        tab structure
2320  * @param string $current_tab the current tab id
2321  */
2322 function html_tabs($tabs, $current_tab = null) {
2323     echo '<ul class="tabs">'.NL;
2324
2325     foreach($tabs as $id => $tab) {
2326         html_tab($tab['href'], $tab['caption'], $id === $current_tab);
2327     }
2328
2329     echo '</ul>'.NL;
2330 }
2331
2332 /**
2333  * Prints a single tab
2334  *
2335  * @author Kate Arzamastseva <pshns@ukr.net>
2336  * @author Adrian Lang <mail@adrianlang.de>
2337  *
2338  * @param string $href - tab href
2339  * @param string $caption - tab caption
2340  * @param boolean $selected - is tab selected
2341  */
2342
2343 function html_tab($href, $caption, $selected=false) {
2344     $tab = '<li>';
2345     if ($selected) {
2346         $tab .= '<strong>';
2347     } else {
2348         $tab .= '<a href="' . hsc($href) . '">';
2349     }
2350     $tab .= hsc($caption)
2351          .  '</' . ($selected ? 'strong' : 'a') . '>'
2352          .  '</li>'.NL;
2353     echo $tab;
2354 }
2355
2356 /**
2357  * Display size change
2358  *
2359  * @param int $sizechange - size of change in Bytes
2360  * @param Doku_Form $form - form to add elements to
2361  */
2362
2363 function html_sizechange($sizechange, Doku_Form $form) {
2364     if(isset($sizechange)) {
2365         $class = 'sizechange';
2366         $value = filesize_h(abs($sizechange));
2367         if($sizechange > 0) {
2368             $class .= ' positive';
2369             $value = '+' . $value;
2370         } elseif($sizechange < 0) {
2371             $class .= ' negative';
2372             $value = '-' . $value;
2373         } else {
2374             $value = '±' . $value;
2375         }
2376         $form->addElement(form_makeOpenTag('span', array('class' => $class)));
2377         $form->addElement($value);
2378         $form->addElement(form_makeCloseTag('span'));
2379     }
2380 }