xref: /dokuwiki/inc/template.php (revision 96f7b5b55777009d6e4013c09f8d24e5f6b56f47) 
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
9use dokuwiki\Extension\AdminPlugin;
10use dokuwiki\Extension\Event;
11
12/**
13 * Access a template file
14 *
15 * Returns the path to the given file inside the current template, uses
16 * default template if the custom version doesn't exist.
17 *
18 * @author Andreas Gohr <andi@splitbrain.org>
19 * @param string $file
20 * @return string
21 */
22function template($file) {
23    global $conf;
24
25    if(@is_readable(DOKU_INC.'lib/tpl/'.$conf['template'].'/'.$file))
26        return DOKU_INC.'lib/tpl/'.$conf['template'].'/'.$file;
27
28    return DOKU_INC.'lib/tpl/dokuwiki/'.$file;
29}
30
31/**
32 * Convenience function to access template dir from local FS
33 *
34 * This replaces the deprecated DOKU_TPLINC constant
35 *
36 * @author Andreas Gohr <andi@splitbrain.org>
37 * @param string $tpl The template to use, default to current one
38 * @return string
39 */
40function tpl_incdir($tpl='') {
41    global $conf;
42    if(!$tpl) $tpl = $conf['template'];
43    return DOKU_INC.'lib/tpl/'.$tpl.'/';
44}
45
46/**
47 * Convenience function to access template dir from web
48 *
49 * This replaces the deprecated DOKU_TPL constant
50 *
51 * @author Andreas Gohr <andi@splitbrain.org>
52 * @param string $tpl The template to use, default to current one
53 * @return string
54 */
55function tpl_basedir($tpl='') {
56    global $conf;
57    if(!$tpl) $tpl = $conf['template'];
58    return DOKU_BASE.'lib/tpl/'.$tpl.'/';
59}
60
61/**
62 * Print the content
63 *
64 * This function is used for printing all the usual content
65 * (defined by the global $ACT var) by calling the appropriate
66 * outputfunction(s) from html.php
67 *
68 * Everything that doesn't use the main template file isn't
69 * handled by this function. ACL stuff is not done here either.
70 *
71 * @author Andreas Gohr <andi@splitbrain.org>
72 *
73 * @triggers TPL_ACT_RENDER
74 * @triggers TPL_CONTENT_DISPLAY
75 * @param bool $prependTOC should the TOC be displayed here?
76 * @return bool true if any output
77 */
78function tpl_content($prependTOC = true) {
79    global $ACT;
80    global $INFO;
81    $INFO['prependTOC'] = $prependTOC;
82
83    ob_start();
84    Event::createAndTrigger('TPL_ACT_RENDER', $ACT, 'tpl_content_core');
85    $html_output = ob_get_clean();
86    Event::createAndTrigger('TPL_CONTENT_DISPLAY', $html_output, 'ptln');
87
88    return !empty($html_output);
89}
90
91/**
92 * Default Action of TPL_ACT_RENDER
93 *
94 * @return bool
95 */
96function tpl_content_core() {
97    $router = \dokuwiki\ActionRouter::getInstance();
98    try {
99        $router->getAction()->tplContent();
100    } catch(\dokuwiki\Action\Exception\FatalException $e) {
101        // there was no content for the action
102        msg(hsc($e->getMessage()), -1);
103        return false;
104    }
105    return true;
106}
107
108/**
109 * Places the TOC where the function is called
110 *
111 * If you use this you most probably want to call tpl_content with
112 * a false argument
113 *
114 * @author Andreas Gohr <andi@splitbrain.org>
115 *
116 * @param bool $return Should the TOC be returned instead to be printed?
117 * @return string
118 */
119function tpl_toc($return = false) {
120    global $TOC;
121    global $ACT;
122    global $ID;
123    global $REV;
124    global $INFO;
125    global $conf;
126    global $INPUT;
127    $toc = array();
128
129    if(is_array($TOC)) {
130        // if a TOC was prepared in global scope, always use it
131        $toc = $TOC;
132    } elseif(($ACT == 'show' || substr($ACT, 0, 6) == 'export') && !$REV && $INFO['exists']) {
133        // get TOC from metadata, render if neccessary
134        $meta = p_get_metadata($ID, '', METADATA_RENDER_USING_CACHE);
135        if(isset($meta['internal']['toc'])) {
136            $tocok = $meta['internal']['toc'];
137        } else {
138            $tocok = true;
139        }
140        $toc = isset($meta['description']['tableofcontents']) ? $meta['description']['tableofcontents'] : null;
141        if(!$tocok || !is_array($toc) || !$conf['tocminheads'] || count($toc) < $conf['tocminheads']) {
142            $toc = array();
143        }
144    } elseif($ACT == 'admin') {
145        // try to load admin plugin TOC
146        /** @var $plugin AdminPlugin */
147        if ($plugin = plugin_getRequestAdminPlugin()) {
148            $toc = $plugin->getTOC();
149            $TOC = $toc; // avoid later rebuild
150        }
151    }
152
153    Event::createAndTrigger('TPL_TOC_RENDER', $toc, null, false);
154    $html = html_TOC($toc);
155    if($return) return $html;
156    echo $html;
157    return '';
158}
159
160/**
161 * Handle the admin page contents
162 *
163 * @author Andreas Gohr <andi@splitbrain.org>
164 *
165 * @return bool
166 */
167function tpl_admin() {
168    global $INFO;
169    global $TOC;
170    global $INPUT;
171
172    $plugin = null;
173    $class  = $INPUT->str('page');
174    if(!empty($class)) {
175        $pluginlist = plugin_list('admin');
176
177        if(in_array($class, $pluginlist)) {
178            // attempt to load the plugin
179            /** @var $plugin AdminPlugin */
180            $plugin = plugin_load('admin', $class);
181        }
182    }
183
184    if($plugin !== null) {
185        if(!is_array($TOC)) $TOC = $plugin->getTOC(); //if TOC wasn't requested yet
186        if($INFO['prependTOC']) tpl_toc();
187        $plugin->html();
188    } else {
189        $admin = new dokuwiki\Ui\Admin();
190        $admin->show();
191    }
192    return true;
193}
194
195/**
196 * Print the correct HTML meta headers
197 *
198 * This has to go into the head section of your template.
199 *
200 * @author Andreas Gohr <andi@splitbrain.org>
201 *
202 * @triggers TPL_METAHEADER_OUTPUT
203 * @param  bool $alt Should feeds and alternative format links be added?
204 * @return bool
205 */
206function tpl_metaheaders($alt = true) {
207    global $ID;
208    global $REV;
209    global $INFO;
210    global $JSINFO;
211    global $ACT;
212    global $QUERY;
213    global $lang;
214    global $conf;
215    global $updateVersion;
216    /** @var Input $INPUT */
217    global $INPUT;
218
219    // prepare the head array
220    $head = array();
221
222    // prepare seed for js and css
223    $tseed   = $updateVersion;
224    $depends = getConfigFiles('main');
225    $depends[] = DOKU_CONF."tpl/".$conf['template']."/style.ini";
226    foreach($depends as $f) $tseed .= @filemtime($f);
227    $tseed   = md5($tseed);
228
229    // the usual stuff
230    $head['meta'][] = array('name'=> 'generator', 'content'=> 'DokuWiki');
231    if(actionOK('search')) {
232        $head['link'][] = array(
233            'rel' => 'search', 'type'=> 'application/opensearchdescription+xml',
234            'href'=> DOKU_BASE.'lib/exe/opensearch.php', 'title'=> $conf['title']
235        );
236    }
237
238    $head['link'][] = array('rel'=> 'start', 'href'=> DOKU_BASE);
239    if(actionOK('index')) {
240        $head['link'][] = array(
241            'rel'  => 'contents', 'href'=> wl($ID, 'do=index', false, '&'),
242            'title'=> $lang['btn_index']
243        );
244    }
245
246    if (actionOK('manifest')) {
247        $head['link'][] = array('rel'=> 'manifest', 'href'=> DOKU_BASE.'lib/exe/manifest.php');
248    }
249
250    $styleUtil = new \dokuwiki\StyleUtils();
251    $styleIni = $styleUtil->cssStyleini();
252    $replacements = $styleIni['replacements'];
253    if (!empty($replacements['__theme_color__'])) {
254        $head['meta'][] = array('name' => 'theme-color', 'content' => $replacements['__theme_color__']);
255    }
256
257    if($alt) {
258        if(actionOK('rss')) {
259            $head['link'][] = array(
260                'rel'  => 'alternate', 'type'=> 'application/rss+xml',
261                'title'=> $lang['btn_recent'], 'href'=> DOKU_BASE.'feed.php'
262            );
263            $head['link'][] = array(
264                'rel'  => 'alternate', 'type'=> 'application/rss+xml',
265                'title'=> $lang['currentns'],
266                'href' => DOKU_BASE.'feed.php?mode=list&ns='.$INFO['namespace']
267            );
268        }
269        if(($ACT == 'show' || $ACT == 'search') && $INFO['writable']) {
270            $head['link'][] = array(
271                'rel'  => 'edit',
272                'title'=> $lang['btn_edit'],
273                'href' => wl($ID, 'do=edit', false, '&')
274            );
275        }
276
277        if(actionOK('rss') && $ACT == 'search') {
278            $head['link'][] = array(
279                'rel'  => 'alternate', 'type'=> 'application/rss+xml',
280                'title'=> $lang['searchresult'],
281                'href' => DOKU_BASE.'feed.php?mode=search&q='.$QUERY
282            );
283        }
284
285        if(actionOK('export_xhtml')) {
286            $head['link'][] = array(
287                'rel' => 'alternate', 'type'=> 'text/html', 'title'=> $lang['plainhtml'],
288                'href'=> exportlink($ID, 'xhtml', '', false, '&')
289            );
290        }
291
292        if(actionOK('export_raw')) {
293            $head['link'][] = array(
294                'rel' => 'alternate', 'type'=> 'text/plain', 'title'=> $lang['wikimarkup'],
295                'href'=> exportlink($ID, 'raw', '', false, '&')
296            );
297        }
298    }
299
300    // setup robot tags apropriate for different modes
301    if(($ACT == 'show' || $ACT == 'export_xhtml') && !$REV) {
302        if($INFO['exists']) {
303            //delay indexing:
304            if((time() - $INFO['lastmod']) >= $conf['indexdelay'] && !isHiddenPage($ID) ) {
305                $head['meta'][] = array('name'=> 'robots', 'content'=> 'index,follow');
306            } else {
307                $head['meta'][] = array('name'=> 'robots', 'content'=> 'noindex,nofollow');
308            }
309            $canonicalUrl = wl($ID, '', true, '&');
310            if ($ID == $conf['start']) {
311                $canonicalUrl = DOKU_URL;
312            }
313            $head['link'][] = array('rel'=> 'canonical', 'href'=> $canonicalUrl);
314        } else {
315            $head['meta'][] = array('name'=> 'robots', 'content'=> 'noindex,follow');
316        }
317    } elseif(defined('DOKU_MEDIADETAIL')) {
318        $head['meta'][] = array('name'=> 'robots', 'content'=> 'index,follow');
319    } else {
320        $head['meta'][] = array('name'=> 'robots', 'content'=> 'noindex,nofollow');
321    }
322
323    // set metadata
324    if($ACT == 'show' || $ACT == 'export_xhtml') {
325        // keywords (explicit or implicit)
326        if(!empty($INFO['meta']['subject'])) {
327            $head['meta'][] = array('name'=> 'keywords', 'content'=> join(',', $INFO['meta']['subject']));
328        } else {
329            $head['meta'][] = array('name'=> 'keywords', 'content'=> str_replace(':', ',', $ID));
330        }
331    }
332
333    // load stylesheets
334    $head['link'][] = array(
335        'rel' => 'stylesheet', 'type'=> 'text/css',
336        'href'=> DOKU_BASE.'lib/exe/css.php?t='.rawurlencode($conf['template']).'&tseed='.$tseed
337    );
338
339    $script = "var NS='".$INFO['namespace']."';";
340    if($conf['useacl'] && $INPUT->server->str('REMOTE_USER')) {
341        $script .= "var SIG='".toolbar_signature()."';";
342    }
343    jsinfo();
344    $script .= 'var JSINFO = ' . json_encode($JSINFO).';';
345    $head['script'][] = array('type'=> 'text/javascript', '_data'=> $script);
346
347    // load jquery
348    $jquery = getCdnUrls();
349    foreach($jquery as $src) {
350        $head['script'][] = array(
351            'type' => 'text/javascript', 'charset' => 'utf-8', '_data' => '', 'src' => $src
352        );
353    }
354
355    // load our javascript dispatcher
356    $head['script'][] = array(
357        'type'=> 'text/javascript', 'charset'=> 'utf-8', '_data'=> '',
358        'src' => DOKU_BASE.'lib/exe/js.php'.'?t='.rawurlencode($conf['template']).'&tseed='.$tseed
359    );
360
361    // trigger event here
362    Event::createAndTrigger('TPL_METAHEADER_OUTPUT', $head, '_tpl_metaheaders_action', true);
363    return true;
364}
365
366/**
367 * prints the array build by tpl_metaheaders
368 *
369 * $data is an array of different header tags. Each tag can have multiple
370 * instances. Attributes are given as key value pairs. Values will be HTML
371 * encoded automatically so they should be provided as is in the $data array.
372 *
373 * For tags having a body attribute specify the body data in the special
374 * attribute '_data'. This field will NOT BE ESCAPED automatically.
375 *
376 * @author Andreas Gohr <andi@splitbrain.org>
377 *
378 * @param array $data
379 */
380function _tpl_metaheaders_action($data) {
381    foreach($data as $tag => $inst) {
382        if($tag == 'script') {
383            echo "<!--[if gte IE 9]><!-->\n"; // no scripts for old IE
384        }
385        foreach($inst as $attr) {
386            if ( empty($attr) ) { continue; }
387            echo '<', $tag, ' ', buildAttributes($attr);
388            if(isset($attr['_data']) || $tag == 'script') {
389                if($tag == 'script' && $attr['_data'])
390                    $attr['_data'] = "/*<![CDATA[*/".
391                        $attr['_data'].
392                        "\n/*!]]>*/";
393
394                echo '>', $attr['_data'], '</', $tag, '>';
395            } else {
396                echo '/>';
397            }
398            echo "\n";
399        }
400        if($tag == 'script') {
401            echo "<!--<![endif]-->\n";
402        }
403    }
404}
405
406/**
407 * Print a link
408 *
409 * Just builds a link.
410 *
411 * @author Andreas Gohr <andi@splitbrain.org>
412 *
413 * @param string $url
414 * @param string $name
415 * @param string $more
416 * @param bool $return if true return the link html, otherwise print
417 * @return bool|string html of the link, or true if printed
418 */
419function tpl_link($url, $name, $more = '', $return = false) {
420    $out = '<a href="'.$url.'" ';
421    if($more) $out .= ' '.$more;
422    $out .= ">$name</a>";
423    if($return) return $out;
424    print $out;
425    return true;
426}
427
428/**
429 * Prints a link to a WikiPage
430 *
431 * Wrapper around html_wikilink
432 *
433 * @author Andreas Gohr <andi@splitbrain.org>
434 *
435 * @param string      $id   page id
436 * @param string|null $name the name of the link
437 * @param bool        $return
438 * @return true|string
439 */
440function tpl_pagelink($id, $name = null, $return = false) {
441    $out = '<bdi>'.html_wikilink($id, $name).'</bdi>';
442    if($return) return $out;
443    print $out;
444    return true;
445}
446
447/**
448 * get the parent page
449 *
450 * Tries to find out which page is parent.
451 * returns false if none is available
452 *
453 * @author Andreas Gohr <andi@splitbrain.org>
454 *
455 * @param string $id page id
456 * @return false|string
457 */
458function tpl_getparent($id) {
459    $parent = getNS($id).':';
460    resolve_pageid('', $parent, $exists);
461    if($parent == $id) {
462        $pos    = strrpos(getNS($id), ':');
463        $parent = substr($parent, 0, $pos).':';
464        resolve_pageid('', $parent, $exists);
465        if($parent == $id) return false;
466    }
467    return $parent;
468}
469
470/**
471 * Print one of the buttons
472 *
473 * @author Adrian Lang <mail@adrianlang.de>
474 * @see    tpl_get_action
475 *
476 * @param string $type
477 * @param bool $return
478 * @return bool|string html, or false if no data, true if printed
479 * @deprecated 2017-09-01 see devel:menus
480 */
481function tpl_button($type, $return = false) {
482    dbg_deprecated('see devel:menus');
483    $data = tpl_get_action($type);
484    if($data === false) {
485        return false;
486    } elseif(!is_array($data)) {
487        $out = sprintf($data, 'button');
488    } else {
489        /**
490         * @var string $accesskey
491         * @var string $id
492         * @var string $method
493         * @var array  $params
494         */
495        extract($data);
496        if($id === '#dokuwiki__top') {
497            $out = html_topbtn();
498        } else {
499            $out = html_btn($type, $id, $accesskey, $params, $method);
500        }
501    }
502    if($return) return $out;
503    echo $out;
504    return true;
505}
506
507/**
508 * Like the action buttons but links
509 *
510 * @author Adrian Lang <mail@adrianlang.de>
511 * @see    tpl_get_action
512 *
513 * @param string $type    action command
514 * @param string $pre     prefix of link
515 * @param string $suf     suffix of link
516 * @param string $inner   innerHML of link
517 * @param bool   $return  if true it returns html, otherwise prints
518 * @return bool|string html or false if no data, true if printed
519 * @deprecated 2017-09-01 see devel:menus
520 */
521function tpl_actionlink($type, $pre = '', $suf = '', $inner = '', $return = false) {
522    dbg_deprecated('see devel:menus');
523    global $lang;
524    $data = tpl_get_action($type);
525    if($data === false) {
526        return false;
527    } elseif(!is_array($data)) {
528        $out = sprintf($data, 'link');
529    } else {
530        /**
531         * @var string $accesskey
532         * @var string $id
533         * @var string $method
534         * @var bool   $nofollow
535         * @var array  $params
536         * @var string $replacement
537         */
538        extract($data);
539        if(strpos($id, '#') === 0) {
540            $linktarget = $id;
541        } else {
542            $linktarget = wl($id, $params);
543        }
544        $caption = $lang['btn_'.$type];
545        if(strpos($caption, '%s')){
546            $caption = sprintf($caption, $replacement);
547        }
548        $akey    = $addTitle = '';
549        if($accesskey) {
550            $akey     = 'accesskey="'.$accesskey.'" ';
551            $addTitle = ' ['.strtoupper($accesskey).']';
552        }
553        $rel = $nofollow ? 'rel="nofollow" ' : '';
554        $out = tpl_link(
555            $linktarget, $pre.(($inner) ? $inner : $caption).$suf,
556            'class="action '.$type.'" '.
557                $akey.$rel.
558                'title="'.hsc($caption).$addTitle.'"', true
559        );
560    }
561    if($return) return $out;
562    echo $out;
563    return true;
564}
565
566/**
567 * Check the actions and get data for buttons and links
568 *
569 * @author Andreas Gohr <andi@splitbrain.org>
570 * @author Matthias Grimm <matthiasgrimm@users.sourceforge.net>
571 * @author Adrian Lang <mail@adrianlang.de>
572 *
573 * @param string $type
574 * @return array|bool|string
575 * @deprecated 2017-09-01 see devel:menus
576 */
577function tpl_get_action($type) {
578    dbg_deprecated('see devel:menus');
579    if($type == 'history') $type = 'revisions';
580    if($type == 'subscription') $type = 'subscribe';
581    if($type == 'img_backto') $type = 'imgBackto';
582
583    $class = '\\dokuwiki\\Menu\\Item\\' . ucfirst($type);
584    if(class_exists($class)) {
585        try {
586            /** @var \dokuwiki\Menu\Item\AbstractItem $item */
587            $item = new $class;
588            $data = $item->getLegacyData();
589            $unknown = false;
590        } catch(\RuntimeException $ignored) {
591            return false;
592        }
593    } else {
594        global $ID;
595        $data = array(
596            'accesskey' => null,
597            'type' => $type,
598            'id' => $ID,
599            'method' => 'get',
600            'params' => array('do' => $type),
601            'nofollow' => true,
602            'replacement' => '',
603        );
604        $unknown = true;
605    }
606
607    $evt = new Event('TPL_ACTION_GET', $data);
608    if($evt->advise_before()) {
609        //handle unknown types
610        if($unknown) {
611            $data = '[unknown %s type]';
612        }
613    }
614    $evt->advise_after();
615    unset($evt);
616
617    return $data;
618}
619
620/**
621 * Wrapper around tpl_button() and tpl_actionlink()
622 *
623 * @author Anika Henke <anika@selfthinker.org>
624 *
625 * @param string        $type action command
626 * @param bool          $link link or form button?
627 * @param string|bool   $wrapper HTML element wrapper
628 * @param bool          $return return or print
629 * @param string        $pre prefix for links
630 * @param string        $suf suffix for links
631 * @param string        $inner inner HTML for links
632 * @return bool|string
633 * @deprecated 2017-09-01 see devel:menus
634 */
635function tpl_action($type, $link = false, $wrapper = false, $return = false, $pre = '', $suf = '', $inner = '') {
636    dbg_deprecated('see devel:menus');
637    $out = '';
638    if($link) {
639        $out .= tpl_actionlink($type, $pre, $suf, $inner, true);
640    } else {
641        $out .= tpl_button($type, true);
642    }
643    if($out && $wrapper) $out = "<$wrapper>$out</$wrapper>";
644
645    if($return) return $out;
646    print $out;
647    return $out ? true : false;
648}
649
650/**
651 * Print the search form
652 *
653 * If the first parameter is given a div with the ID 'qsearch_out' will
654 * be added which instructs the ajax pagequicksearch to kick in and place
655 * its output into this div. The second parameter controls the propritary
656 * attribute autocomplete. If set to false this attribute will be set with an
657 * value of "off" to instruct the browser to disable it's own built in
658 * autocompletion feature (MSIE and Firefox)
659 *
660 * @author Andreas Gohr <andi@splitbrain.org>
661 *
662 * @param bool $ajax
663 * @param bool $autocomplete
664 * @return bool
665 */
666function tpl_searchform($ajax = true, $autocomplete = true) {
667    global $lang;
668    global $ACT;
669    global $QUERY;
670    global $ID;
671
672    // don't print the search form if search action has been disabled
673    if(!actionOK('search')) return false;
674
675    $searchForm = new dokuwiki\Form\Form([
676        'action' => wl(),
677        'method' => 'get',
678        'role' => 'search',
679        'class' => 'search',
680        'id' => 'dw__search',
681    ], true);
682    $searchForm->addTagOpen('div')->addClass('no');
683    $searchForm->setHiddenField('do', 'search');
684    $searchForm->setHiddenField('id', $ID);
685    $searchForm->addTextInput('q')
686        ->addClass('edit')
687        ->attrs([
688            'title' => '[F]',
689            'accesskey' => 'f',
690            'placeholder' => $lang['btn_search'],
691            'autocomplete' => $autocomplete ? 'on' : 'off',
692        ])
693        ->id('qsearch__in')
694        ->val($ACT === 'search' ? $QUERY : '')
695        ->useInput(false)
696    ;
697    $searchForm->addButton('', $lang['btn_search'])->attrs([
698        'type' => 'submit',
699        'title' => $lang['btn_search'],
700    ]);
701    if ($ajax) {
702        $searchForm->addTagOpen('div')->id('qsearch__out')->addClass('ajax_qsearch JSpopup');
703        $searchForm->addTagClose('div');
704    }
705    $searchForm->addTagClose('div');
706    Event::createAndTrigger('FORM_QUICKSEARCH_OUTPUT', $searchForm);
707
708    echo $searchForm->toHTML();
709
710    return true;
711}
712
713/**
714 * Print the breadcrumbs trace
715 *
716 * @author Andreas Gohr <andi@splitbrain.org>
717 *
718 * @param string $sep Separator between entries
719 * @param bool   $return return or print
720 * @return bool|string
721 */
722function tpl_breadcrumbs($sep = null, $return = false) {
723    global $lang;
724    global $conf;
725
726    //check if enabled
727    if(!$conf['breadcrumbs']) return false;
728
729    //set default
730    if(is_null($sep)) $sep = '•';
731
732    $out='';
733
734    $crumbs = breadcrumbs(); //setup crumb trace
735
736    $crumbs_sep = ' <span class="bcsep">'.$sep.'</span> ';
737
738    //render crumbs, highlight the last one
739    $out .= '<span class="bchead">'.$lang['breadcrumb'].'</span>';
740    $last = count($crumbs);
741    $i    = 0;
742    foreach($crumbs as $id => $name) {
743        $i++;
744        $out .= $crumbs_sep;
745        if($i == $last) $out .= '<span class="curid">';
746        $out .= '<bdi>' . tpl_link(wl($id), hsc($name), 'class="breadcrumbs" title="'.$id.'"', true) .  '</bdi>';
747        if($i == $last) $out .= '</span>';
748    }
749    if($return) return $out;
750    print $out;
751    return $out ? true : false;
752}
753
754/**
755 * Hierarchical breadcrumbs
756 *
757 * This code was suggested as replacement for the usual breadcrumbs.
758 * It only makes sense with a deep site structure.
759 *
760 * @author Andreas Gohr <andi@splitbrain.org>
761 * @author Nigel McNie <oracle.shinoda@gmail.com>
762 * @author Sean Coates <sean@caedmon.net>
763 * @author <fredrik@averpil.com>
764 * @todo   May behave strangely in RTL languages
765 *
766 * @param string $sep Separator between entries
767 * @param bool   $return return or print
768 * @return bool|string
769 */
770function tpl_youarehere($sep = null, $return = false) {
771    global $conf;
772    global $ID;
773    global $lang;
774
775    // check if enabled
776    if(!$conf['youarehere']) return false;
777
778    //set default
779    if(is_null($sep)) $sep = ' » ';
780
781    $out = '';
782
783    $parts = explode(':', $ID);
784    $count = count($parts);
785
786    $out .= '<span class="bchead">'.$lang['youarehere'].' </span>';
787
788    // always print the startpage
789    $out .= '<span class="home">' . tpl_pagelink(':'.$conf['start'], null, true) . '</span>';
790
791    // print intermediate namespace links
792    $part = '';
793    for($i = 0; $i < $count - 1; $i++) {
794        $part .= $parts[$i].':';
795        $page = $part;
796        if($page == $conf['start']) continue; // Skip startpage
797
798        // output
799        $out .= $sep . tpl_pagelink($page, null, true);
800    }
801
802    // print current page, skipping start page, skipping for namespace index
803    resolve_pageid('', $page, $exists);
804    if (isset($page) && $page == $part.$parts[$i]) {
805        if($return) return $out;
806        print $out;
807        return true;
808    }
809    $page = $part.$parts[$i];
810    if($page == $conf['start']) {
811        if($return) return $out;
812        print $out;
813        return true;
814    }
815    $out .= $sep;
816    $out .= tpl_pagelink($page, null, true);
817    if($return) return $out;
818    print $out;
819    return $out ? true : false;
820}
821
822/**
823 * Print info if the user is logged in
824 * and show full name in that case
825 *
826 * Could be enhanced with a profile link in future?
827 *
828 * @author Andreas Gohr <andi@splitbrain.org>
829 *
830 * @return bool
831 */
832function tpl_userinfo() {
833    global $lang;
834    /** @var Input $INPUT */
835    global $INPUT;
836
837    if($INPUT->server->str('REMOTE_USER')) {
838        print $lang['loggedinas'].' '.userlink();
839        return true;
840    }
841    return false;
842}
843
844/**
845 * Print some info about the current page
846 *
847 * @author Andreas Gohr <andi@splitbrain.org>
848 *
849 * @param bool $ret return content instead of printing it
850 * @return bool|string
851 */
852function tpl_pageinfo($ret = false) {
853    global $conf;
854    global $lang;
855    global $INFO;
856    global $ID;
857
858    // return if we are not allowed to view the page
859    if(!auth_quickaclcheck($ID)) {
860        return false;
861    }
862
863    // prepare date and path
864    $fn = $INFO['filepath'];
865    if(!$conf['fullpath']) {
866        if($INFO['rev']) {
867            $fn = str_replace($conf['olddir'].'/', '', $fn);
868        } else {
869            $fn = str_replace($conf['datadir'].'/', '', $fn);
870        }
871    }
872    $fn   = utf8_decodeFN($fn);
873    $date = dformat($INFO['lastmod']);
874
875    // print it
876    if($INFO['exists']) {
877        $out = '';
878        $out .= '<bdi>'.$fn.'</bdi>';
879        $out .= ' · ';
880        $out .= $lang['lastmod'];
881        $out .= ' ';
882        $out .= $date;
883        if($INFO['editor']) {
884            $out .= ' '.$lang['by'].' ';
885            $out .= '<bdi>'.editorinfo($INFO['editor']).'</bdi>';
886        } else {
887            $out .= ' ('.$lang['external_edit'].')';
888        }
889        if($INFO['locked']) {
890            $out .= ' · ';
891            $out .= $lang['lockedby'];
892            $out .= ' ';
893            $out .= '<bdi>'.editorinfo($INFO['locked']).'</bdi>';
894        }
895        if($ret) {
896            return $out;
897        } else {
898            echo $out;
899            return true;
900        }
901    }
902    return false;
903}
904
905/**
906 * Prints or returns the name of the given page (current one if none given).
907 *
908 * If useheading is enabled this will use the first headline else
909 * the given ID is used.
910 *
911 * @author Andreas Gohr <andi@splitbrain.org>
912 *
913 * @param string $id page id
914 * @param bool   $ret return content instead of printing
915 * @return bool|string
916 */
917function tpl_pagetitle($id = null, $ret = false) {
918    global $ACT, $INPUT, $conf, $lang;
919
920    if(is_null($id)) {
921        global $ID;
922        $id = $ID;
923    }
924
925    $name = $id;
926    if(useHeading('navigation')) {
927        $first_heading = p_get_first_heading($id);
928        if($first_heading) $name = $first_heading;
929    }
930
931    // default page title is the page name, modify with the current action
932    switch ($ACT) {
933        // admin functions
934        case 'admin' :
935            $page_title = $lang['btn_admin'];
936            // try to get the plugin name
937            /** @var $plugin AdminPlugin */
938            if ($plugin = plugin_getRequestAdminPlugin()){
939                $plugin_title = $plugin->getMenuText($conf['lang']);
940                $page_title = $plugin_title ? $plugin_title : $plugin->getPluginName();
941            }
942            break;
943
944        // user functions
945        case 'login' :
946        case 'profile' :
947        case 'register' :
948        case 'resendpwd' :
949            $page_title = $lang['btn_'.$ACT];
950            break;
951
952         // wiki functions
953        case 'search' :
954        case 'index' :
955            $page_title = $lang['btn_'.$ACT];
956            break;
957
958        // page functions
959        case 'edit' :
960            $page_title = "✎ ".$name;
961            break;
962
963        case 'revisions' :
964            $page_title = $name . ' - ' . $lang['btn_revs'];
965            break;
966
967        case 'backlink' :
968        case 'recent' :
969        case 'subscribe' :
970            $page_title = $name . ' - ' . $lang['btn_'.$ACT];
971            break;
972
973        default : // SHOW and anything else not included
974            $page_title = $name;
975    }
976
977    if($ret) {
978        return hsc($page_title);
979    } else {
980        print hsc($page_title);
981        return true;
982    }
983}
984
985/**
986 * Returns the requested EXIF/IPTC tag from the current image
987 *
988 * If $tags is an array all given tags are tried until a
989 * value is found. If no value is found $alt is returned.
990 *
991 * Which texts are known is defined in the functions _exifTagNames
992 * and _iptcTagNames() in inc/jpeg.php (You need to prepend IPTC
993 * to the names of the latter one)
994 *
995 * Only allowed in: detail.php
996 *
997 * @author Andreas Gohr <andi@splitbrain.org>
998 *
999 * @param array|string $tags tag or array of tags to try
1000 * @param string       $alt  alternative output if no data was found
1001 * @param null|string  $src  the image src, uses global $SRC if not given
1002 * @return string
1003 */
1004function tpl_img_getTag($tags, $alt = '', $src = null) {
1005    // Init Exif Reader
1006    global $SRC;
1007
1008    if(is_null($src)) $src = $SRC;
1009
1010    static $meta = null;
1011    if(is_null($meta)) $meta = new JpegMeta($src);
1012    if($meta === false) return $alt;
1013    $info = cleanText($meta->getField($tags));
1014    if($info == false) return $alt;
1015    return $info;
1016}
1017
1018/**
1019 * Returns a description list of the metatags of the current image
1020 *
1021 * @return string html of description list
1022 */
1023function tpl_img_meta() {
1024    global $lang;
1025
1026    $tags = tpl_get_img_meta();
1027
1028    echo '<dl>';
1029    foreach($tags as $tag) {
1030        $label = $lang[$tag['langkey']];
1031        if(!$label) $label = $tag['langkey'] . ':';
1032
1033        echo '<dt>'.$label.'</dt><dd>';
1034        if ($tag['type'] == 'date') {
1035            echo dformat($tag['value']);
1036        } else {
1037            echo hsc($tag['value']);
1038        }
1039        echo '</dd>';
1040    }
1041    echo '</dl>';
1042}
1043
1044/**
1045 * Returns metadata as configured in mediameta config file, ready for creating html
1046 *
1047 * @return array with arrays containing the entries:
1048 *   - string langkey  key to lookup in the $lang var, if not found printed as is
1049 *   - string type     type of value
1050 *   - string value    tag value (unescaped)
1051 */
1052function tpl_get_img_meta() {
1053
1054    $config_files = getConfigFiles('mediameta');
1055    foreach ($config_files as $config_file) {
1056        if(file_exists($config_file)) {
1057            include($config_file);
1058        }
1059    }
1060    /** @var array $fields the included array with metadata */
1061
1062    $tags = array();
1063    foreach($fields as $tag){
1064        $t = array();
1065        if (!empty($tag[0])) {
1066            $t = array($tag[0]);
1067        }
1068        if(is_array($tag[3])) {
1069            $t = array_merge($t,$tag[3]);
1070        }
1071        $value = tpl_img_getTag($t);
1072        if ($value) {
1073            $tags[] = array('langkey' => $tag[1], 'type' => $tag[2], 'value' => $value);
1074        }
1075    }
1076    return $tags;
1077}
1078
1079/**
1080 * Prints the image with a link to the full sized version
1081 *
1082 * Only allowed in: detail.php
1083 *
1084 * @triggers TPL_IMG_DISPLAY
1085 * @param $maxwidth  int - maximal width of the image
1086 * @param $maxheight int - maximal height of the image
1087 * @param $link bool     - link to the orginal size?
1088 * @param $params array  - additional image attributes
1089 * @return bool Result of TPL_IMG_DISPLAY
1090 */
1091function tpl_img($maxwidth = 0, $maxheight = 0, $link = true, $params = null) {
1092    global $IMG;
1093    /** @var Input $INPUT */
1094    global $INPUT;
1095    global $REV;
1096    $w = (int) tpl_img_getTag('File.Width');
1097    $h = (int) tpl_img_getTag('File.Height');
1098
1099    //resize to given max values
1100    $ratio = 1;
1101    if($w >= $h) {
1102        if($maxwidth && $w >= $maxwidth) {
1103            $ratio = $maxwidth / $w;
1104        } elseif($maxheight && $h > $maxheight) {
1105            $ratio = $maxheight / $h;
1106        }
1107    } else {
1108        if($maxheight && $h >= $maxheight) {
1109            $ratio = $maxheight / $h;
1110        } elseif($maxwidth && $w > $maxwidth) {
1111            $ratio = $maxwidth / $w;
1112        }
1113    }
1114    if($ratio) {
1115        $w = floor($ratio * $w);
1116        $h = floor($ratio * $h);
1117    }
1118
1119    //prepare URLs
1120    $url = ml($IMG, array('cache'=> $INPUT->str('cache'),'rev'=>$REV), true, '&');
1121    $src = ml($IMG, array('cache'=> $INPUT->str('cache'),'rev'=>$REV, 'w'=> $w, 'h'=> $h), true, '&');
1122
1123    //prepare attributes
1124    $alt = tpl_img_getTag('Simple.Title');
1125    if(is_null($params)) {
1126        $p = array();
1127    } else {
1128        $p = $params;
1129    }
1130    if($w) $p['width'] = $w;
1131    if($h) $p['height'] = $h;
1132    $p['class'] = 'img_detail';
1133    if($alt) {
1134        $p['alt']   = $alt;
1135        $p['title'] = $alt;
1136    } else {
1137        $p['alt'] = '';
1138    }
1139    $p['src'] = $src;
1140
1141    $data = array('url'=> ($link ? $url : null), 'params'=> $p);
1142    return Event::createAndTrigger('TPL_IMG_DISPLAY', $data, '_tpl_img_action', true);
1143}
1144
1145/**
1146 * Default action for TPL_IMG_DISPLAY
1147 *
1148 * @param array $data
1149 * @return bool
1150 */
1151function _tpl_img_action($data) {
1152    global $lang;
1153    $p = buildAttributes($data['params']);
1154
1155    if($data['url']) print '<a href="'.hsc($data['url']).'" title="'.$lang['mediaview'].'">';
1156    print '<img '.$p.'/>';
1157    if($data['url']) print '</a>';
1158    return true;
1159}
1160
1161/**
1162 * This function inserts a small gif which in reality is the indexer function.
1163 *
1164 * Should be called somewhere at the very end of the main.php
1165 * template
1166 *
1167 * @return bool
1168 */
1169function tpl_indexerWebBug() {
1170    global $ID;
1171
1172    $p           = array();
1173    $p['src']    = DOKU_BASE.'lib/exe/taskrunner.php?id='.rawurlencode($ID).
1174        '&'.time();
1175    $p['width']  = 2; //no more 1x1 px image because we live in times of ad blockers...
1176    $p['height'] = 1;
1177    $p['alt']    = '';
1178    $att         = buildAttributes($p);
1179    print "<img $att />";
1180    return true;
1181}
1182
1183/**
1184 * tpl_getConf($id)
1185 *
1186 * use this function to access template configuration variables
1187 *
1188 * @param string $id      name of the value to access
1189 * @param mixed  $notset  what to return if the setting is not available
1190 * @return mixed
1191 */
1192function tpl_getConf($id, $notset=false) {
1193    global $conf;
1194    static $tpl_configloaded = false;
1195
1196    $tpl = $conf['template'];
1197
1198    if(!$tpl_configloaded) {
1199        $tconf = tpl_loadConfig();
1200        if($tconf !== false) {
1201            foreach($tconf as $key => $value) {
1202                if(isset($conf['tpl'][$tpl][$key])) continue;
1203                $conf['tpl'][$tpl][$key] = $value;
1204            }
1205            $tpl_configloaded = true;
1206        }
1207    }
1208
1209    if(isset($conf['tpl'][$tpl][$id])){
1210        return $conf['tpl'][$tpl][$id];
1211    }
1212
1213    return $notset;
1214}
1215
1216/**
1217 * tpl_loadConfig()
1218 *
1219 * reads all template configuration variables
1220 * this function is automatically called by tpl_getConf()
1221 *
1222 * @return array
1223 */
1224function tpl_loadConfig() {
1225
1226    $file = tpl_incdir().'/conf/default.php';
1227    $conf = array();
1228
1229    if(!file_exists($file)) return false;
1230
1231    // load default config file
1232    include($file);
1233
1234    return $conf;
1235}
1236
1237// language methods
1238/**
1239 * tpl_getLang($id)
1240 *
1241 * use this function to access template language variables
1242 *
1243 * @param string $id key of language string
1244 * @return string
1245 */
1246function tpl_getLang($id) {
1247    static $lang = array();
1248
1249    if(count($lang) === 0) {
1250        global $conf, $config_cascade; // definitely don't invoke "global $lang"
1251
1252        $path = tpl_incdir() . 'lang/';
1253
1254        $lang = array();
1255
1256        // don't include once
1257        @include($path . 'en/lang.php');
1258        foreach($config_cascade['lang']['template'] as $config_file) {
1259            if(file_exists($config_file . $conf['template'] . '/en/lang.php')) {
1260                include($config_file . $conf['template'] . '/en/lang.php');
1261            }
1262        }
1263
1264        if($conf['lang'] != 'en') {
1265            @include($path . $conf['lang'] . '/lang.php');
1266            foreach($config_cascade['lang']['template'] as $config_file) {
1267                if(file_exists($config_file . $conf['template'] . '/' . $conf['lang'] . '/lang.php')) {
1268                    include($config_file . $conf['template'] . '/' . $conf['lang'] . '/lang.php');
1269                }
1270            }
1271        }
1272    }
1273    return $lang[$id];
1274}
1275
1276/**
1277 * Retrieve a language dependent file and pass to xhtml renderer for display
1278 * template equivalent of p_locale_xhtml()
1279 *
1280 * @param   string $id id of language dependent wiki page
1281 * @return  string     parsed contents of the wiki page in xhtml format
1282 */
1283function tpl_locale_xhtml($id) {
1284    return p_cached_output(tpl_localeFN($id));
1285}
1286
1287/**
1288 * Prepends appropriate path for a language dependent filename
1289 *
1290 * @param string $id id of localized text
1291 * @return string wiki text
1292 */
1293function tpl_localeFN($id) {
1294    $path = tpl_incdir().'lang/';
1295    global $conf;
1296    $file = DOKU_CONF.'template_lang/'.$conf['template'].'/'.$conf['lang'].'/'.$id.'.txt';
1297    if (!file_exists($file)){
1298        $file = $path.$conf['lang'].'/'.$id.'.txt';
1299        if(!file_exists($file)){
1300            //fall back to english
1301            $file = $path.'en/'.$id.'.txt';
1302        }
1303    }
1304    return $file;
1305}
1306
1307/**
1308 * prints the "main content" in the mediamanager popup
1309 *
1310 * Depending on the user's actions this may be a list of
1311 * files in a namespace, the meta editing dialog or
1312 * a message of referencing pages
1313 *
1314 * Only allowed in mediamanager.php
1315 *
1316 * @triggers MEDIAMANAGER_CONTENT_OUTPUT
1317 * @param bool $fromajax - set true when calling this function via ajax
1318 * @param string $sort
1319 *
1320 * @author Andreas Gohr <andi@splitbrain.org>
1321 */
1322function tpl_mediaContent($fromajax = false, $sort='natural') {
1323    global $IMG;
1324    global $AUTH;
1325    global $INUSE;
1326    global $NS;
1327    global $JUMPTO;
1328    /** @var Input $INPUT */
1329    global $INPUT;
1330
1331    $do = $INPUT->extract('do')->str('do');
1332    if(in_array($do, array('save', 'cancel'))) $do = '';
1333
1334    if(!$do) {
1335        if($INPUT->bool('edit')) {
1336            $do = 'metaform';
1337        } elseif(is_array($INUSE)) {
1338            $do = 'filesinuse';
1339        } else {
1340            $do = 'filelist';
1341        }
1342    }
1343
1344    // output the content pane, wrapped in an event.
1345    if(!$fromajax) ptln('<div id="media__content">');
1346    $data = array('do' => $do);
1347    $evt  = new Event('MEDIAMANAGER_CONTENT_OUTPUT', $data);
1348    if($evt->advise_before()) {
1349        $do = $data['do'];
1350        if($do == 'filesinuse') {
1351            media_filesinuse($INUSE, $IMG);
1352        } elseif($do == 'filelist') {
1353            media_filelist($NS, $AUTH, $JUMPTO,false,$sort);
1354        } elseif($do == 'searchlist') {
1355            media_searchlist($INPUT->str('q'), $NS, $AUTH);
1356        } else {
1357            msg('Unknown action '.hsc($do), -1);
1358        }
1359    }
1360    $evt->advise_after();
1361    unset($evt);
1362    if(!$fromajax) ptln('</div>');
1363
1364}
1365
1366/**
1367 * Prints the central column in full-screen media manager
1368 * Depending on the opened tab this may be a list of
1369 * files in a namespace, upload form or search form
1370 *
1371 * @author Kate Arzamastseva <pshns@ukr.net>
1372 */
1373function tpl_mediaFileList() {
1374    global $AUTH;
1375    global $NS;
1376    global $JUMPTO;
1377    global $lang;
1378    /** @var Input $INPUT */
1379    global $INPUT;
1380
1381    $opened_tab = $INPUT->str('tab_files');
1382    if(!$opened_tab || !in_array($opened_tab, array('files', 'upload', 'search'))) $opened_tab = 'files';
1383    if($INPUT->str('mediado') == 'update') $opened_tab = 'upload';
1384
1385    echo '<h2 class="a11y">'.$lang['mediaselect'].'</h2>'.NL;
1386
1387    media_tabs_files($opened_tab);
1388
1389    echo '<div class="panelHeader">'.NL;
1390    echo '<h3>';
1391    $tabTitle = ($NS) ? $NS : '['.$lang['mediaroot'].']';
1392    printf($lang['media_'.$opened_tab], '<strong>'.hsc($tabTitle).'</strong>');
1393    echo '</h3>'.NL;
1394    if($opened_tab === 'search' || $opened_tab === 'files') {
1395        media_tab_files_options();
1396    }
1397    echo '</div>'.NL;
1398
1399    echo '<div class="panelContent">'.NL;
1400    if($opened_tab == 'files') {
1401        media_tab_files($NS, $AUTH, $JUMPTO);
1402    } elseif($opened_tab == 'upload') {
1403        media_tab_upload($NS, $AUTH, $JUMPTO);
1404    } elseif($opened_tab == 'search') {
1405        media_tab_search($NS, $AUTH);
1406    }
1407    echo '</div>'.NL;
1408}
1409
1410/**
1411 * Prints the third column in full-screen media manager
1412 * Depending on the opened tab this may be details of the
1413 * selected file, the meta editing dialog or
1414 * list of file revisions
1415 *
1416 * @author Kate Arzamastseva <pshns@ukr.net>
1417 *
1418 * @param string $image
1419 * @param boolean $rev
1420 */
1421function tpl_mediaFileDetails($image, $rev) {
1422    global $conf, $DEL, $lang;
1423    /** @var Input $INPUT */
1424    global $INPUT;
1425
1426    $removed = (
1427        !file_exists(mediaFN($image)) &&
1428        file_exists(mediaMetaFN($image, '.changes')) &&
1429        $conf['mediarevisions']
1430    );
1431    if(!$image || (!file_exists(mediaFN($image)) && !$removed) || $DEL) return;
1432    if($rev && !file_exists(mediaFN($image, $rev))) $rev = false;
1433    $ns = getNS($image);
1434    $do = $INPUT->str('mediado');
1435
1436    $opened_tab = $INPUT->str('tab_details');
1437
1438    $tab_array = array('view');
1439    list(, $mime) = mimetype($image);
1440    if($mime == 'image/jpeg') {
1441        $tab_array[] = 'edit';
1442    }
1443    if($conf['mediarevisions']) {
1444        $tab_array[] = 'history';
1445    }
1446
1447    if(!$opened_tab || !in_array($opened_tab, $tab_array)) $opened_tab = 'view';
1448    if($INPUT->bool('edit')) $opened_tab = 'edit';
1449    if($do == 'restore') $opened_tab = 'view';
1450
1451    media_tabs_details($image, $opened_tab);
1452
1453    echo '<div class="panelHeader"><h3>';
1454    list($ext) = mimetype($image, false);
1455    $class    = preg_replace('/[^_\-a-z0-9]+/i', '_', $ext);
1456    $class    = 'select mediafile mf_'.$class;
1457    $attributes = $rev ? ['rev' => $rev] : [];
1458    $tabTitle = '<strong><a href="'.ml($image, $attributes).'" class="'.$class.'" title="'.$lang['mediaview'].'">'.
1459        $image.'</a>'.'</strong>';
1460    if($opened_tab === 'view' && $rev) {
1461        printf($lang['media_viewold'], $tabTitle, dformat($rev));
1462    } else {
1463        printf($lang['media_'.$opened_tab], $tabTitle);
1464    }
1465
1466    echo '</h3></div>'.NL;
1467
1468    echo '<div class="panelContent">'.NL;
1469
1470    if($opened_tab == 'view') {
1471        media_tab_view($image, $ns, null, $rev);
1472
1473    } elseif($opened_tab == 'edit' && !$removed) {
1474        media_tab_edit($image, $ns);
1475
1476    } elseif($opened_tab == 'history' && $conf['mediarevisions']) {
1477        media_tab_history($image, $ns);
1478    }
1479
1480    echo '</div>'.NL;
1481}
1482
1483/**
1484 * prints the namespace tree in the mediamanager popup
1485 *
1486 * Only allowed in mediamanager.php
1487 *
1488 * @author Andreas Gohr <andi@splitbrain.org>
1489 */
1490function tpl_mediaTree() {
1491    global $NS;
1492    ptln('<div id="media__tree">');
1493    media_nstree($NS);
1494    ptln('</div>');
1495}
1496
1497/**
1498 * Print a dropdown menu with all DokuWiki actions
1499 *
1500 * Note: this will not use any pretty URLs
1501 *
1502 * @author Andreas Gohr <andi@splitbrain.org>
1503 *
1504 * @param string $empty empty option label
1505 * @param string $button submit button label
1506 * @deprecated 2017-09-01 see devel:menus
1507 */
1508function tpl_actiondropdown($empty = '', $button = '&gt;') {
1509    dbg_deprecated('see devel:menus');
1510    $menu = new \dokuwiki\Menu\MobileMenu();
1511    echo $menu->getDropdown($empty, $button);
1512}
1513
1514/**
1515 * Print a informational line about the used license
1516 *
1517 * @author Andreas Gohr <andi@splitbrain.org>
1518 * @param  string $img     print image? (|button|badge)
1519 * @param  bool   $imgonly skip the textual description?
1520 * @param  bool   $return  when true don't print, but return HTML
1521 * @param  bool   $wrap    wrap in div with class="license"?
1522 * @return string
1523 */
1524function tpl_license($img = 'badge', $imgonly = false, $return = false, $wrap = true) {
1525    global $license;
1526    global $conf;
1527    global $lang;
1528    if(!$conf['license']) return '';
1529    if(!is_array($license[$conf['license']])) return '';
1530    $lic    = $license[$conf['license']];
1531    $target = ($conf['target']['extern']) ? ' target="'.$conf['target']['extern'].'"' : '';
1532
1533    $out = '';
1534    if($wrap) $out .= '<div class="license">';
1535    if($img) {
1536        $src = license_img($img);
1537        if($src) {
1538            $out .= '<a href="'.$lic['url'].'" rel="license"'.$target;
1539            $out .= '><img src="'.DOKU_BASE.$src.'" alt="'.$lic['name'].'" /></a>';
1540            if(!$imgonly) $out .= ' ';
1541        }
1542    }
1543    if(!$imgonly) {
1544        $out .= $lang['license'].' ';
1545        $out .= '<bdi><a href="'.$lic['url'].'" rel="license" class="urlextern"'.$target;
1546        $out .= '>'.$lic['name'].'</a></bdi>';
1547    }
1548    if($wrap) $out .= '</div>';
1549
1550    if($return) return $out;
1551    echo $out;
1552    return '';
1553}
1554
1555/**
1556 * Includes the rendered HTML of a given page
1557 *
1558 * This function is useful to populate sidebars or similar features in a
1559 * template
1560 *
1561 * @param string $pageid The page name you want to include
1562 * @param bool $print Should the content be printed or returned only
1563 * @param bool $propagate Search higher namespaces, too?
1564 * @param bool $useacl Include the page only if the ACLs check out?
1565 * @return bool|null|string
1566 */
1567function tpl_include_page($pageid, $print = true, $propagate = false, $useacl = true) {
1568    if($propagate) {
1569        $pageid = page_findnearest($pageid, $useacl);
1570    } elseif($useacl && auth_quickaclcheck($pageid) == AUTH_NONE) {
1571        return false;
1572    }
1573    if(!$pageid) return false;
1574
1575    global $TOC;
1576    $oldtoc = $TOC;
1577    $html   = p_wiki_xhtml($pageid, '', false);
1578    $TOC    = $oldtoc;
1579
1580    if($print) echo $html;
1581    return $html;
1582}
1583
1584/**
1585 * Display the subscribe form
1586 *
1587 * @author Adrian Lang <lang@cosmocode.de>
1588 */
1589function tpl_subscribe() {
1590    global $INFO;
1591    global $ID;
1592    global $lang;
1593    global $conf;
1594    $stime_days = $conf['subscribe_time'] / 60 / 60 / 24;
1595
1596    echo p_locale_xhtml('subscr_form');
1597    echo '<h2>'.$lang['subscr_m_current_header'].'</h2>';
1598    echo '<div class="level2">';
1599    if($INFO['subscribed'] === false) {
1600        echo '<p>'.$lang['subscr_m_not_subscribed'].'</p>';
1601    } else {
1602        echo '<ul>';
1603        foreach($INFO['subscribed'] as $sub) {
1604            echo '<li><div class="li">';
1605            if($sub['target'] !== $ID) {
1606                echo '<code class="ns">'.hsc(prettyprint_id($sub['target'])).'</code>';
1607            } else {
1608                echo '<code class="page">'.hsc(prettyprint_id($sub['target'])).'</code>';
1609            }
1610            $sstl = sprintf($lang['subscr_style_'.$sub['style']], $stime_days);
1611            if(!$sstl) $sstl = hsc($sub['style']);
1612            echo ' ('.$sstl.') ';
1613
1614            echo '<a href="'.wl(
1615                $ID,
1616                array(
1617                     'do'        => 'subscribe',
1618                     'sub_target'=> $sub['target'],
1619                     'sub_style' => $sub['style'],
1620                     'sub_action'=> 'unsubscribe',
1621                     'sectok'    => getSecurityToken()
1622                )
1623            ).
1624                '" class="unsubscribe">'.$lang['subscr_m_unsubscribe'].
1625                '</a></div></li>';
1626        }
1627        echo '</ul>';
1628    }
1629    echo '</div>';
1630
1631    // Add new subscription form
1632    echo '<h2>'.$lang['subscr_m_new_header'].'</h2>';
1633    echo '<div class="level2">';
1634    $ns      = getNS($ID).':';
1635    $targets = array(
1636        $ID => '<code class="page">'.prettyprint_id($ID).'</code>',
1637        $ns => '<code class="ns">'.prettyprint_id($ns).'</code>',
1638    );
1639    $styles  = array(
1640        'every'  => $lang['subscr_style_every'],
1641        'digest' => sprintf($lang['subscr_style_digest'], $stime_days),
1642        'list'   => sprintf($lang['subscr_style_list'], $stime_days),
1643    );
1644
1645    $form = new Doku_Form(array('id' => 'subscribe__form'));
1646    $form->startFieldset($lang['subscr_m_subscribe']);
1647    $form->addRadioSet('sub_target', $targets);
1648    $form->startFieldset($lang['subscr_m_receive']);
1649    $form->addRadioSet('sub_style', $styles);
1650    $form->addHidden('sub_action', 'subscribe');
1651    $form->addHidden('do', 'subscribe');
1652    $form->addHidden('id', $ID);
1653    $form->endFieldset();
1654    $form->addElement(form_makeButton('submit', 'subscribe', $lang['subscr_m_subscribe']));
1655    html_form('SUBSCRIBE', $form);
1656    echo '</div>';
1657}
1658
1659/**
1660 * Tries to send already created content right to the browser
1661 *
1662 * Wraps around ob_flush() and flush()
1663 *
1664 * @author Andreas Gohr <andi@splitbrain.org>
1665 */
1666function tpl_flush() {
1667    if( ob_get_level() > 0 ) ob_flush();
1668    flush();
1669}
1670
1671/**
1672 * Tries to find a ressource file in the given locations.
1673 *
1674 * If a given location starts with a colon it is assumed to be a media
1675 * file, otherwise it is assumed to be relative to the current template
1676 *
1677 * @param  string[] $search       locations to look at
1678 * @param  bool     $abs           if to use absolute URL
1679 * @param  array   &$imginfo   filled with getimagesize()
1680 * @return string
1681 *
1682 * @author Andreas  Gohr <andi@splitbrain.org>
1683 */
1684function tpl_getMediaFile($search, $abs = false, &$imginfo = null) {
1685    $img     = '';
1686    $file    = '';
1687    $ismedia = false;
1688    // loop through candidates until a match was found:
1689    foreach($search as $img) {
1690        if(substr($img, 0, 1) == ':') {
1691            $file    = mediaFN($img);
1692            $ismedia = true;
1693        } else {
1694            $file    = tpl_incdir().$img;
1695            $ismedia = false;
1696        }
1697
1698        if(file_exists($file)) break;
1699    }
1700
1701    // fetch image data if requested
1702    if(!is_null($imginfo)) {
1703        $imginfo = getimagesize($file);
1704    }
1705
1706    // build URL
1707    if($ismedia) {
1708        $url = ml($img, '', true, '', $abs);
1709    } else {
1710        $url = tpl_basedir().$img;
1711        if($abs) $url = DOKU_URL.substr($url, strlen(DOKU_REL));
1712    }
1713
1714    return $url;
1715}
1716
1717/**
1718 * PHP include a file
1719 *
1720 * either from the conf directory if it exists, otherwise use
1721 * file in the template's root directory.
1722 *
1723 * The function honours config cascade settings and looks for the given
1724 * file next to the ´main´ config files, in the order protected, local,
1725 * default.
1726 *
1727 * Note: no escaping or sanity checking is done here. Never pass user input
1728 * to this function!
1729 *
1730 * @author Anika Henke <anika@selfthinker.org>
1731 * @author Andreas Gohr <andi@splitbrain.org>
1732 *
1733 * @param string $file
1734 */
1735function tpl_includeFile($file) {
1736    global $config_cascade;
1737    foreach(array('protected', 'local', 'default') as $config_group) {
1738        if(empty($config_cascade['main'][$config_group])) continue;
1739        foreach($config_cascade['main'][$config_group] as $conf_file) {
1740            $dir = dirname($conf_file);
1741            if(file_exists("$dir/$file")) {
1742                include("$dir/$file");
1743                return;
1744            }
1745        }
1746    }
1747
1748    // still here? try the template dir
1749    $file = tpl_incdir().$file;
1750    if(file_exists($file)) {
1751        include($file);
1752    }
1753}
1754
1755/**
1756 * Returns <link> tag for various icon types (favicon|mobile|generic)
1757 *
1758 * @author Anika Henke <anika@selfthinker.org>
1759 *
1760 * @param  array $types - list of icon types to display (favicon|mobile|generic)
1761 * @return string
1762 */
1763function tpl_favicon($types = array('favicon')) {
1764
1765    $return = '';
1766
1767    foreach($types as $type) {
1768        switch($type) {
1769            case 'favicon':
1770                $look = array(':wiki:favicon.ico', ':favicon.ico', 'images/favicon.ico');
1771                $return .= '<link rel="shortcut icon" href="'.tpl_getMediaFile($look).'" />'.NL;
1772                break;
1773            case 'mobile':
1774                $look = array(':wiki:apple-touch-icon.png', ':apple-touch-icon.png', 'images/apple-touch-icon.png');
1775                $return .= '<link rel="apple-touch-icon" href="'.tpl_getMediaFile($look).'" />'.NL;
1776                break;
1777            case 'generic':
1778                // ideal world solution, which doesn't work in any browser yet
1779                $look = array(':wiki:favicon.svg', ':favicon.svg', 'images/favicon.svg');
1780                $return .= '<link rel="icon" href="'.tpl_getMediaFile($look).'" type="image/svg+xml" />'.NL;
1781                break;
1782        }
1783    }
1784
1785    return $return;
1786}
1787
1788/**
1789 * Prints full-screen media manager
1790 *
1791 * @author Kate Arzamastseva <pshns@ukr.net>
1792 */
1793function tpl_media() {
1794    global $NS, $IMG, $JUMPTO, $REV, $lang, $fullscreen, $INPUT;
1795    $fullscreen = true;
1796    require_once DOKU_INC.'lib/exe/mediamanager.php';
1797
1798    $rev   = '';
1799    $image = cleanID($INPUT->str('image'));
1800    if(isset($IMG)) $image = $IMG;
1801    if(isset($JUMPTO)) $image = $JUMPTO;
1802    if(isset($REV) && !$JUMPTO) $rev = $REV;
1803
1804    echo '<div id="mediamanager__page">'.NL;
1805    echo '<h1>'.$lang['btn_media'].'</h1>'.NL;
1806    html_msgarea();
1807
1808    echo '<div class="panel namespaces">'.NL;
1809    echo '<h2>'.$lang['namespaces'].'</h2>'.NL;
1810    echo '<div class="panelHeader">';
1811    echo $lang['media_namespaces'];
1812    echo '</div>'.NL;
1813
1814    echo '<div class="panelContent" id="media__tree">'.NL;
1815    media_nstree($NS);
1816    echo '</div>'.NL;
1817    echo '</div>'.NL;
1818
1819    echo '<div class="panel filelist">'.NL;
1820    tpl_mediaFileList();
1821    echo '</div>'.NL;
1822
1823    echo '<div class="panel file">'.NL;
1824    echo '<h2 class="a11y">'.$lang['media_file'].'</h2>'.NL;
1825    tpl_mediaFileDetails($image, $rev);
1826    echo '</div>'.NL;
1827
1828    echo '</div>'.NL;
1829}
1830
1831/**
1832 * Return useful layout classes
1833 *
1834 * @author Anika Henke <anika@selfthinker.org>
1835 *
1836 * @return string
1837 */
1838function tpl_classes() {
1839    global $ACT, $conf, $ID, $INFO;
1840    /** @var Input $INPUT */
1841    global $INPUT;
1842
1843    $classes = array(
1844        'dokuwiki',
1845        'mode_'.$ACT,
1846        'tpl_'.$conf['template'],
1847        $INPUT->server->bool('REMOTE_USER') ? 'loggedIn' : '',
1848        $INFO['exists'] ? '' : 'notFound',
1849        ($ID == $conf['start']) ? 'home' : '',
1850    );
1851    return join(' ', $classes);
1852}
1853
1854/**
1855 * Create event for tools menues
1856 *
1857 * @author Anika Henke <anika@selfthinker.org>
1858 * @param string $toolsname name of menu
1859 * @param array $items
1860 * @param string $view e.g. 'main', 'detail', ...
1861 * @deprecated 2017-09-01 see devel:menus
1862 */
1863function tpl_toolsevent($toolsname, $items, $view = 'main') {
1864    dbg_deprecated('see devel:menus');
1865    $data = array(
1866        'view' => $view,
1867        'items' => $items
1868    );
1869
1870    $hook = 'TEMPLATE_' . strtoupper($toolsname) . '_DISPLAY';
1871    $evt = new Event($hook, $data);
1872    if($evt->advise_before()) {
1873        foreach($evt->data['items'] as $k => $html) echo $html;
1874    }
1875    $evt->advise_after();
1876}
1877
1878//Setup VIM: ex: et ts=4 :
1879
1880