xref: /dokuwiki/inc/template.php (revision 3df72098bbc205fa4bd4735d52d2626baad93548)
1<?php
2/**
3 * DokuWiki template functions
4 *
5 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
6 * @author     Andreas Gohr <andi@splitbrain.org>
7 */
8
9  if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../').'/');
10  require_once(DOKU_CONF.'dokuwiki.php');
11
12/**
13 * Returns the path to the given template, uses
14 * default one if the custom version doesn't exist.
15 * Also enables gzip compression if configured.
16 *
17 * @author Andreas Gohr <andi@splitbrain.org>
18 */
19function template($tpl){
20  global $conf;
21
22  if ($conf['gzip_output'] && extension_loaded('zlib') && preg_match('/gzip|deflate/', $_SERVER['HTTP_ACCEPT_ENCODING'])) {
23    ob_start('ob_gzhandler');
24  }
25
26  if(@is_readable(DOKU_INC.'lib/tpl/'.$conf['template'].'/'.$tpl))
27    return DOKU_INC.'lib/tpl/'.$conf['template'].'/'.$tpl;
28
29  return DOKU_INC.'lib/tpl/default/'.$tpl;
30}
31
32/**
33 * Print the content
34 *
35 * This function is used for printing all the usual content
36 * (defined by the global $ACT var) by calling the appropriate
37 * outputfunction(s) from html.php
38 *
39 * Everything that doesn't use the main template file isn't
40 * handled by this function. ACL stuff is not done here either.
41 *
42 * @author Andreas Gohr <andi@splitbrain.org>
43 */
44function tpl_content() {
45  global $ACT;
46
47  ob_start();
48
49  trigger_event('TPL_ACT_RENDER',$ACT,tpl_content_core);
50
51  $html_output = ob_get_clean();
52
53  trigger_event('TPL_CONTENT_DISPLAY',$html_output,ptln);
54}
55
56function tpl_content_core(){
57  global $ACT;
58  global $TEXT;
59  global $PRE;
60  global $SUF;
61  global $SUM;
62  global $IDX;
63
64  switch($ACT){
65    case 'show':
66      html_show();
67      break;
68    case 'preview':
69      html_edit($TEXT);
70      html_show($TEXT);
71      break;
72    case 'recover':
73      html_edit($TEXT);
74      break;
75    case 'edit':
76      html_edit();
77      break;
78    case 'draft':
79      html_draft();
80      break;
81    case 'wordblock':
82      html_edit($TEXT,'wordblock');
83      break;
84    case 'search':
85      html_search();
86      break;
87    case 'revisions':
88      html_revisions();
89      break;
90    case 'diff':
91      html_diff();
92      break;
93    case 'recent':
94      $first = is_numeric($_REQUEST['first']) ? intval($_REQUEST['first']) : 0;
95      html_recent($first);
96      break;
97    case 'index':
98      html_index($IDX); #FIXME can this be pulled from globals? is it sanitized correctly?
99      break;
100    case 'backlink':
101      html_backlinks();
102      break;
103    case 'conflict':
104      html_conflict(con($PRE,$TEXT,$SUF),$SUM);
105      html_diff(con($PRE,$TEXT,$SUF),false);
106      break;
107    case 'locked':
108      html_locked();
109      break;
110    case 'login':
111      html_login();
112      break;
113    case 'register':
114      html_register();
115      break;
116    case 'resendpwd':
117      html_resendpwd();
118      break;
119    case 'denied':
120      print p_locale_xhtml('denied');
121      break;
122    case 'profile' :
123      html_updateprofile();
124      break;
125    case 'admin':
126      tpl_admin();
127      break;
128    default:
129      $evt = new Doku_Event('TPL_ACT_UNKNOWN',$ACT);
130      if ($evt->advise_before())
131        msg("Failed to handle command: ".hsc($ACT),-1);
132      $evt->advise_after();
133      unset($evt);
134  }
135}
136
137/**
138 * Handle the admin page contents
139 *
140 * @author Andreas Gohr <andi@splitbrain.org>
141 */
142function tpl_admin(){
143
144    $plugin = NULL;
145    if ($_REQUEST['page']) {
146        $pluginlist = plugin_list('admin');
147
148        if (in_array($_REQUEST['page'], $pluginlist)) {
149
150          // attempt to load the plugin
151          $plugin =& plugin_load('admin',$_REQUEST['page']);
152        }
153    }
154
155    if ($plugin !== NULL)
156        $plugin->html();
157    else
158        html_admin();
159}
160
161/**
162 * Print the correct HTML meta headers
163 *
164 * This has to go into the head section of your template.
165 *
166 * @param  boolean $alt Should feeds and alternative format links be added?
167 * @author Andreas Gohr <andi@splitbrain.org>
168 */
169function tpl_metaheaders($alt=true){
170  global $ID;
171  global $INFO;
172  global $ACT;
173  global $lang;
174  global $conf;
175  $it=2;
176
177  // the usual stuff
178  ptln('<meta name="generator" content="DokuWiki '.getVersion().'" />',$it);
179  ptln('<link rel="start" href="'.DOKU_BASE.'" />',$it);
180  ptln('<link rel="contents" href="'.wl($ID,'do=index').'" title="'.$lang['index'].'" />',$it);
181
182  if($alt){
183    ptln('<link rel="alternate" type="application/rss+xml" title="Recent Changes" href="'.DOKU_BASE.'feed.php" />',$it);
184    ptln('<link rel="alternate" type="application/rss+xml" title="Current Namespace" href="'.DOKU_BASE.'feed.php?mode=list&amp;ns='.$INFO['namespace'].'" />',$it);
185    ptln('<link rel="alternate" type="text/html" title="Plain HTML" href="'.exportlink($ID, 'xhtml').'" />',$it);
186    ptln('<link rel="alternate" type="text/plain" title="Wiki Markup" href="'.exportlink($ID, 'raw').'" />',$it);
187  }
188
189  // setup robot tags apropriate for different modes
190  if( ($ACT=='show' || $ACT=='export_xhtml') && !$REV){
191    if($INFO['exists']){
192      ptln('<meta name="date" content="'.date('Y-m-d\TH:i:sO',$INFO['lastmod']).'" />',$it);
193      //delay indexing:
194      if((time() - $INFO['lastmod']) >= $conf['indexdelay']){
195        ptln('<meta name="robots" content="index,follow" />',$it);
196      }else{
197        ptln('<meta name="robots" content="noindex,nofollow" />',$it);
198      }
199    }else{
200      ptln('<meta name="robots" content="noindex,follow" />',$it);
201    }
202  }else{
203    ptln('<meta name="robots" content="noindex,nofollow" />',$it);
204  }
205
206  // load stylesheets
207  ptln('<link rel="stylesheet" media="screen" type="text/css" href="'.DOKU_BASE.'lib/exe/css.php" />',$it);
208  ptln('<link rel="stylesheet" media="print" type="text/css" href="'.DOKU_BASE.'lib/exe/css.php?print=1" />',$it);
209
210  // load javascript
211  $js_edit  = ($ACT=='edit' || $ACT=='preview' || $ACT=='recover') ? 1 : 0;
212  $js_write = ($INFO['writable']) ? 1 : 0;
213  if(defined('DOKU_MEDIAMANAGER')){
214    $js_edit  = 1;
215    $js_write = 0;
216  }
217  if(($js_edit && $js_write) || defined('DOKU_MEDIAMANAGER')){
218    ptln('<script type="text/javascript" charset="utf-8">',$it);
219    ptln("NS='".$INFO['namespace']."';",$it+2);
220    if($conf['useacl'] && $_SERVER['REMOTE_USER']){
221      require_once(DOKU_INC.'inc/toolbar.php');
222      ptln("SIG='".toolbar_signature()."';",$it+2);
223    }
224    ptln('</script>',$it);
225  }
226  ptln('<script type="text/javascript" charset="utf-8" src="'.
227       DOKU_BASE.'lib/exe/js.php?edit='.$js_edit.'&amp;write='.$js_write.'"></script>',$it);
228}
229
230/**
231 * Print a link
232 *
233 * Just builds a link.
234 *
235 * @author Andreas Gohr <andi@splitbrain.org>
236 */
237function tpl_link($url,$name,$more=''){
238  print '<a href="'.$url.'" ';
239  if ($more) print ' '.$more;
240  print ">$name</a>";
241}
242
243/**
244 * Prints a link to a WikiPage
245 *
246 * Wrapper around html_wikilink
247 *
248 * @author Andreas Gohr <andi@splitbrain.org>
249 */
250function tpl_pagelink($id,$name=NULL){
251  print html_wikilink($id,$name);
252}
253
254/**
255 * get the parent page
256 *
257 * Tries to find out which page is parent.
258 * returns false if none is available
259 *
260 * @author Matthias Grimm <matthiasgrimm@users.sourceforge.net>
261 */
262function tpl_getparent($ID){
263  global $conf;
264
265  if ($ID != $conf['start']) {
266    $idparts = explode(':', $ID);
267    $pn = array_pop($idparts);    // get the page name
268
269    for ($n=0; $n < 2; $n++) {
270      if (count($idparts) == 0) {
271        $ID = $conf['start'];     // go to topmost page
272        break;
273      }else{
274        $ns = array_pop($idparts);     // get the last part of namespace
275        if ($pn != $ns) {                 // are we already home?
276          array_push($idparts, $ns, $ns); // no, then add a page with same name
277          $ID = implode (':', $idparts); // as the namespace and recombine $ID
278          break;
279        }
280      }
281    }
282
283    if (@file_exists(wikiFN($ID))) {
284      return $ID;
285    }
286  }
287  return false;
288}
289
290/**
291 * Print one of the buttons
292 *
293 * Available Buttons are
294 *
295 *  edit        - edit/create/show/draft button
296 *  history     - old revisions
297 *  recent      - recent changes
298 *  login       - login/logout button - if ACL enabled
299 *  index       - The index
300 *  admin       - admin page - if enough rights
301 *  top         - a back to top button
302 *  back        - a back to parent button - if available
303 *  backtomedia - returns to the mediafile upload dialog
304 *                after references have been displayed
305 *  backlink    - links to the list of backlinks
306 *
307 * @author Andreas Gohr <andi@splitbrain.org>
308 * @author Matthias Grimm <matthiasgrimm@users.sourceforge.net>
309 */
310function tpl_button($type){
311  global $ACT;
312  global $ID;
313  global $NS;
314  global $INFO;
315  global $conf;
316  global $auth;
317
318  switch($type){
319    case 'edit':
320      print html_editbutton();
321      break;
322    case 'history':
323      print html_btn('revs',$ID,'o',array('do' => 'revisions'));
324      break;
325    case 'recent':
326      print html_btn('recent','','r',array('do' => 'recent'));
327      break;
328    case 'index':
329      print html_btn('index',$ID,'x',array('do' => 'index'));
330      break;
331    case 'back':
332      if ($parent = tpl_getparent($ID)) {
333        print html_btn('back',$parent,'b',array('do' => 'show'));
334      }
335      break;
336    case 'top':
337      print html_topbtn();
338      break;
339    case 'login':
340      if($conf['useacl']){
341        if($_SERVER['REMOTE_USER']){
342          print html_btn('logout',$ID,'',array('do' => 'logout',));
343        }else{
344          print html_btn('login',$ID,'',array('do' => 'login'));
345        }
346      }
347      break;
348    case 'admin':
349      if($INFO['perm'] == AUTH_ADMIN)
350        print html_btn('admin',$ID,'',array('do' => 'admin'));
351      break;
352    case 'backtomedia':
353      print html_backtomedia_button(array('ns' => $NS),'b');
354      break;
355    case 'subscription':
356      if($conf['useacl'] && $ACT == 'show' && $conf['subscribers'] == 1){
357        if($_SERVER['REMOTE_USER']){
358          if($INFO['subscribed']){
359            print html_btn('unsubscribe',$ID,'',array('do' => 'unsubscribe',));
360          } else {
361            print html_btn('subscribe',$ID,'',array('do' => 'subscribe',));
362          }
363        }
364      }
365      break;
366    case 'backlink':
367      print html_btn('backlink',$ID,'',array('do' => 'backlink'));
368      break;
369    case 'profile':
370      if($conf['useacl'] && $_SERVER['REMOTE_USER'] &&
371         $auth->canDo('Profile') && ($ACT!='profile')){
372        print html_btn('profile',$ID,'',array('do' => 'profile'));
373      }
374      break;
375    default:
376      print '[unknown button type]';
377  }
378}
379
380/**
381 * Like the action buttons but links
382 *
383 * Available links are
384 *
385 *  edit    - edit/create/show button
386 *  history - old revisions
387 *  recent  - recent changes
388 *  login   - login/logout button - if ACL enabled
389 *  index   - The index
390 *  admin   - admin page - if enough rights
391 *  top     - a back to top button
392 *  back    - a back to parent button - if available
393 * backlink - links to the list of backlinks
394 *
395 * @author Andreas Gohr <andi@splitbrain.org>
396 * @author Matthias Grimm <matthiasgrimm@users.sourceforge.net>
397 * @see    tpl_button
398 */
399function tpl_actionlink($type,$pre='',$suf=''){
400  global $ID;
401  global $INFO;
402  global $REV;
403  global $ACT;
404  global $conf;
405  global $lang;
406  global $auth;
407
408  switch($type){
409    case 'edit':
410      #most complicated type - we need to decide on current action
411      if($ACT == 'show' || $ACT == 'search'){
412        if($INFO['writable']){
413          if($INFO['exists']){
414            tpl_link(wl($ID,'do=edit&amp;rev='.$REV),
415                     $pre.$lang['btn_edit'].$suf,
416                     'class="action edit" accesskey="e" rel="nofollow"');
417          }else{
418            tpl_link(wl($ID,'do=edit&amp;rev='.$REV),
419                     $pre.$lang['btn_create'].$suf,
420                     'class="action create" accesskey="e" rel="nofollow"');
421          }
422        }else{
423          tpl_link(wl($ID,'do=edit&amp;rev='.$REV),
424                   $pre.$lang['btn_source'].$suf,
425                   'class="action source" accesskey="v" rel="nofollow"');
426        }
427      }else{
428          tpl_link(wl($ID,'do=show'),
429                   $pre.$lang['btn_show'].$suf,
430                   'class="action show" accesskey="v" rel="nofollow"');
431      }
432      return true;
433    case 'history':
434      tpl_link(wl($ID,'do=revisions'),$pre.$lang['btn_revs'].$suf,'class="action revisions" accesskey="o"');
435      return true;
436    case 'recent':
437      tpl_link(wl($ID,'do=recent'),$pre.$lang['btn_recent'].$suf,'class="action recent" accesskey="r"');
438      return true;
439    case 'index':
440      tpl_link(wl($ID,'do=index'),$pre.$lang['btn_index'].$suf,'class="action index" accesskey="x"');
441      return true;
442    case 'top':
443      print '<a href="#dokuwiki__top" class="action top" accesskey="x">'.$pre.$lang['btn_top'].$suf.'</a>';
444      return true;
445    case 'back':
446      if ($ID = tpl_getparent($ID)) {
447        tpl_link(wl($ID,'do=show'),$pre.$lang['btn_back'].$suf,'class="action back" accesskey="b"');
448        return true;
449      }
450      return false;
451    case 'login':
452      if($conf['useacl']){
453        if($_SERVER['REMOTE_USER']){
454          tpl_link(wl($ID,'do=logout'),$pre.$lang['btn_logout'].$suf,'class="action logout"');
455        }else{
456          tpl_link(wl($ID,'do=login'),$pre.$lang['btn_login'].$suf,'class="action logout"');
457        }
458        return true;
459      }
460      return false;
461    case 'admin':
462      if($INFO['perm'] == AUTH_ADMIN){
463        tpl_link(wl($ID,'do=admin'),$pre.$lang['btn_admin'].$suf,'class="action admin"');
464        return true;
465      }
466      return false;
467   case 'subscribe':
468   case 'subscription':
469      if($conf['useacl'] && $ACT == 'show' && $conf['subscribers'] == 1){
470        if($_SERVER['REMOTE_USER']){
471          if($INFO['subscribed']) {
472            tpl_link(wl($ID,'do=unsubscribe'),$pre.$lang['btn_unsubscribe'].$suf,'class="action unsubscribe"');
473          } else {
474            tpl_link(wl($ID,'do=subscribe'),$pre.$lang['btn_subscribe'].$suf,'class="action subscribe"');
475          }
476          return true;
477        }
478      }
479      return false;
480    case 'backlink':
481      tpl_link(wl($ID,'do=backlink'),$pre.$lang['btn_backlink'].$suf, 'class="action backlink"');
482      return true;
483    case 'profile':
484      if($conf['useacl'] && $_SERVER['REMOTE_USER'] &&
485         $auth->canDo('Profile') && ($ACT!='profile')){
486        tpl_link(wl($ID,'do=profile'),$pre.$lang['btn_profile'].$suf, 'class="action profile"');
487        return true;
488      }
489      return false;
490    default:
491      print '[unknown link type]';
492      return true;
493  }
494}
495
496/**
497 * Print the search form
498 *
499 * If the first parameter is given a div with the ID 'qsearch_out' will
500 * be added which instructs the ajax pagequicksearch to kick in and place
501 * its output into this div. The second parameter controls the propritary
502 * attribute autocomplete. If set to false this attribute will be set with an
503 * value of "off" to instruct the browser to disable it's own built in
504 * autocompletion feature (MSIE and Firefox)
505 *
506 * @author Andreas Gohr <andi@splitbrain.org>
507 */
508function tpl_searchform($ajax=true,$autocomplete=true){
509  global $lang;
510  global $ACT;
511
512  print '<form action="'.wl().'" accept-charset="utf-8" class="search" id="dw__search"><div class="no">';
513  print '<input type="hidden" name="do" value="search" />';
514  print '<input type="text" ';
515  if($ACT == 'search') print 'value="'.htmlspecialchars($_REQUEST['id']).'" ';
516  if(!$autocomplete) print 'autocomplete="off" ';
517  print 'id="qsearch__in" accesskey="f" name="id" class="edit" />';
518  print '<input type="submit" value="'.$lang['btn_search'].'" class="button" />';
519  if($ajax) print '<div id="qsearch__out" class="ajax_qsearch JSpopup"></div>';
520  print '</div></form>';
521}
522
523/**
524 * Print the breadcrumbs trace
525 *
526 * @author Andreas Gohr <andi@splitbrain.org>
527 */
528function tpl_breadcrumbs(){
529  global $lang;
530  global $conf;
531
532  //check if enabled
533  if(!$conf['breadcrumbs']) return;
534
535  $crumbs = breadcrumbs(); //setup crumb trace
536
537  //reverse crumborder in right-to-left mode
538  if($lang['direction'] == 'rtl') $crumbs = array_reverse($crumbs,true);
539
540  //render crumbs, highlight the last one
541  print $lang['breadcrumb'].':';
542  $last = count($crumbs);
543  $i = 0;
544  foreach ($crumbs as $id => $name){
545    $i++;
546    print ' <span class="bcsep">&raquo;</span> ';
547    if ($i == $last) print '<span class="curid">';
548    tpl_link(wl($id),$name,'class="breadcrumbs" title="'.$id.'"');
549    if ($i == $last) print '</span>';
550  }
551}
552
553/**
554 * Hierarchical breadcrumbs
555 *
556 * This code was suggested as replacement for the usual breadcrumbs.
557 * It only makes sense with a deep site structure.
558 *
559 * @author Andreas Gohr <andi@splitbrain.org>
560 * @author Nigel McNie <oracle.shinoda@gmail.com>
561 * @author Sean Coates <sean@caedmon.net>
562 * @link   http://wiki.splitbrain.org/wiki:tipsandtricks:hierarchicalbreadcrumbs
563 * @todo   May behave strangely in RTL languages
564 */
565function tpl_youarehere(){
566  global $conf;
567  global $ID;
568  global $lang;
569
570  //check if enabled
571  if(!$conf['youarehere']) return;
572
573  $parts     = explode(':', $ID);
574
575  print $lang['youarehere'].': ';
576
577  //always print the startpage
578  if( $a_part[0] != $conf['start']){
579    if($conf['useheading']){
580      $pageName = p_get_first_heading($conf['start']);
581    }else{
582      $pageName = $conf['start'];
583    }
584    tpl_link(wl($conf['start']),$pageName,'title="'.$pageName.'"');
585  }
586
587  $page = '';
588  foreach ($parts as $part){
589        // Skip startpage if already done
590        if ($part == $conf['start']) continue;
591
592          print ' &raquo; ';
593    $page .= $part;
594
595    if(file_exists(wikiFN($page))){
596      if($conf['useheading']){
597        $pageName = p_get_first_heading($page);
598        $partName = $pageName;
599      }else{
600        $pageName = $page;
601        $partName = $part;
602      }
603      tpl_link(wl($page),$partName,'title="'.$pageName.'"');
604    }else{
605      // Print the link, but mark as not-existing, as for other non-existing links
606      tpl_link(wl($page),$part,'title="'.$page.'" class="wikilink2"');
607      //print $page;
608    }
609
610    $page .= ':';
611  }
612}
613
614/**
615 * Print info if the user is logged in
616 * and show full name in that case
617 *
618 * Could be enhanced with a profile link in future?
619 *
620 * @author Andreas Gohr <andi@splitbrain.org>
621 */
622function tpl_userinfo(){
623  global $lang;
624  global $INFO;
625  if($_SERVER['REMOTE_USER'])
626    print $lang['loggedinas'].': '.$INFO['userinfo']['name'];
627}
628
629/**
630 * Print some info about the current page
631 *
632 * @author Andreas Gohr <andi@splitbrain.org>
633 */
634function tpl_pageinfo(){
635  global $conf;
636  global $lang;
637  global $INFO;
638  global $REV;
639
640  // prepare date and path
641  $fn = $INFO['filepath'];
642  if(!$conf['fullpath']){
643    if($REV){
644      $fn = str_replace(realpath($conf['olddir']).DIRECTORY_SEPARATOR,'',$fn);
645    }else{
646      $fn = str_replace(realpath($conf['datadir']).DIRECTORY_SEPARATOR,'',$fn);
647    }
648  }
649  $fn = utf8_decodeFN($fn);
650  $date = date($conf['dformat'],$INFO['lastmod']);
651
652  // print it
653  if($INFO['exists']){
654    print $fn;
655    print ' &middot; ';
656    print $lang['lastmod'];
657    print ': ';
658    print $date;
659    if($INFO['editor']){
660      print ' '.$lang['by'].' ';
661      print $INFO['editor'];
662    }
663    if($INFO['locked']){
664      print ' &middot; ';
665      print $lang['lockedby'];
666      print ': ';
667      print $INFO['locked'];
668    }
669  }
670}
671
672/**
673 * Prints or returns the name of the given page (current one if none given).
674 *
675 * If useheading is enabled this will use the first headline else
676 * the given ID is used.
677 *
678 * @author Andreas Gohr <andi@splitbrain.org>
679 */
680function tpl_pagetitle($id=null, $ret=false){
681  global $conf;
682  if(is_null($id)){
683    global $ID;
684    $id = $ID;
685  }
686
687  $name = $id;
688  if ($conf['useheading']) {
689    $title = p_get_first_heading($id);
690    if ($title) $name = $title;
691  }
692
693  if ($ret) {
694      return hsc($name);
695  } else {
696      print hsc($name);
697  }
698}
699
700/**
701 * Returns the requested EXIF/IPTC tag from the current image
702 *
703 * If $tags is an array all given tags are tried until a
704 * value is found. If no value is found $alt is returned.
705 *
706 * Which texts are known is defined in the functions _exifTagNames
707 * and _iptcTagNames() in inc/jpeg.php (You need to prepend IPTC
708 * to the names of the latter one)
709 *
710 * Only allowed in: detail.php
711 *
712 * @author Andreas Gohr <andi@splitbrain.org>
713 */
714function tpl_img_getTag($tags,$alt='',$src=null){
715  // Init Exif Reader
716  global $SRC;
717
718  if(is_null($src)) $src = $SRC;
719
720  static $meta = null;
721  if(is_null($meta)) $meta = new JpegMeta($src);
722  if($meta === false) return $alt;
723  $info = $meta->getField($tags);
724  if($info == false) return $alt;
725  return $info;
726}
727
728/**
729 * Prints the image with a link to the full sized version
730 *
731 * Only allowed in: detail.php
732 */
733function tpl_img($maxwidth=0,$maxheight=0){
734  global $IMG;
735  $w = tpl_img_getTag('File.Width');
736  $h = tpl_img_getTag('File.Height');
737
738  //resize to given max values
739  $ratio = 1;
740  if($w >= $h){
741    if($maxwidth && $w >= $maxwidth){
742      $ratio = $maxwidth/$w;
743    }elseif($maxheight && $h > $maxheight){
744      $ratio = $maxheight/$h;
745    }
746  }else{
747    if($maxheight && $h >= $maxheight){
748      $ratio = $maxheight/$h;
749    }elseif($maxwidth && $w > $maxwidth){
750      $ratio = $maxwidth/$w;
751    }
752  }
753  if($ratio){
754    $w = floor($ratio*$w);
755    $h = floor($ratio*$h);
756  }
757
758  //prepare URLs
759  $url=ml($IMG,array('cache'=>$_REQUEST['cache']));
760  $src=ml($IMG,array('cache'=>$_REQUEST['cache'],'w'=>$w,'h'=>$h));
761
762  //prepare attributes
763  $alt=tpl_img_getTag('Simple.Title');
764  $p = array();
765  if($w) $p['width']  = $w;
766  if($h) $p['height'] = $h;
767         $p['class']  = 'img_detail';
768  if($alt){
769    $p['alt']   = $alt;
770    $p['title'] = $alt;
771  }else{
772    $p['alt'] = '';
773  }
774  $p = buildAttributes($p);
775
776  print '<a href="'.$url.'">';
777  print '<img src="'.$src.'" '.$p.'/>';
778  print '</a>';
779}
780
781/**
782 * This function inserts a 1x1 pixel gif which in reality
783 * is the inexer function.
784 *
785 * Should be called somewhere at the very end of the main.php
786 * template
787 */
788function tpl_indexerWebBug(){
789  global $ID;
790  global $INFO;
791  if(!$INFO['exists']) return;
792
793  if(isHiddenPage($ID)) return; //no need to index hidden pages
794
795  $p = array();
796  $p['src']    = DOKU_BASE.'lib/exe/indexer.php?id='.rawurlencode($ID).
797                 '&'.time();
798  $p['width']  = 1;
799  $p['height'] = 1;
800  $p['alt']    = '';
801  $att = buildAttributes($p);
802  print "<img $att />";
803}
804
805// configuration methods
806/**
807 * tpl_getConf($id)
808 *
809 * use this function to access template configuration variables
810 */
811function tpl_getConf($id){
812  global $conf;
813  global $tpl_configloaded;
814
815  $tpl = $conf['template'];
816
817  if (!$tpl_configloaded){
818    $tconf = tpl_loadConfig();
819    if ($tconf !== false){
820      foreach ($tconf as $key => $value){
821        if (isset($conf['tpl'][$tpl][$key])) continue;
822        $conf['tpl'][$tpl][$key] = $value;
823      }
824      $tpl_configloaded = true;
825    }
826  }
827
828  return $conf['tpl'][$tpl][$id];
829}
830
831/**
832 * tpl_loadConfig()
833 * reads all template configuration variables
834 * this function is automatically called by tpl_getConf()
835 */
836function tpl_loadConfig(){
837
838  $file = DOKU_TPLINC.'/conf/default.php';
839  $conf = array();
840
841  if (!@file_exists($file)) return false;
842
843  // load default config file
844  include($file);
845
846  return $conf;
847}
848
849/**
850 * prints the "main content" in the mediamanger popup
851 *
852 * Depending on the user's actions this may be a list of
853 * files in a namespace, the meta editing dialog or
854 * a message of referencing pages
855 *
856 * Only allowed in mediamanager.php
857 *
858 * @author Andreas Gohr <andi@splitbrain.org>
859 */
860function tpl_mediaContent(){
861  global $IMG;
862  global $AUTH;
863  global $INUSE;
864  global $NS;
865  global $JUMPTO;
866
867  ptln('<div id="media__content">');
868  if($_REQUEST['edit']){
869    media_metaform($IMG,$AUTH);
870  }elseif($INUSE){
871    media_filesinuse($INUSE,$IMG);
872  }else{
873    media_filelist($NS,$AUTH,$JUMPTO);
874  }
875  ptln('</div>');
876}
877
878/**
879 * prints the namespace tree in the mediamanger popup
880 *
881 * Only allowed in mediamanager.php
882 *
883 * @author Andreas Gohr <andi@splitbrain.org>
884 */
885function tpl_mediaTree(){
886  global $NS;
887
888  ptln('<div id="media__tree">');
889  media_nstree($NS);
890  ptln('</div>');
891}
892
893//Setup VIM: ex: et ts=2 enc=utf-8 :
894