xref: /dokuwiki/inc/template.php (revision 977aa967e58a592a7b41e2500aeed4709724a769)
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;
11use dokuwiki\File\PageResolver;
12
13/**
14 * Access a template file
15 *
16 * Returns the path to the given file inside the current template, uses
17 * default template if the custom version doesn't exist.
18 *
19 * @author Andreas Gohr <andi@splitbrain.org>
20 * @param string $file
21 * @return string
22 */
23function template($file) {
24    global $conf;
25
26    if(@is_readable(DOKU_INC.'lib/tpl/'.$conf['template'].'/'.$file))
27        return DOKU_INC.'lib/tpl/'.$conf['template'].'/'.$file;
28
29    return DOKU_INC.'lib/tpl/dokuwiki/'.$file;
30}
31
32/**
33 * Convenience function to access template dir from local FS
34 *
35 * This replaces the deprecated DOKU_TPLINC constant
36 *
37 * @author Andreas Gohr <andi@splitbrain.org>
38 * @param string $tpl The template to use, default to current one
39 * @return string
40 */
41function tpl_incdir($tpl='') {
42    global $conf;
43    if(!$tpl) $tpl = $conf['template'];
44    return DOKU_INC.'lib/tpl/'.$tpl.'/';
45}
46
47/**
48 * Convenience function to access template dir from web
49 *
50 * This replaces the deprecated DOKU_TPL constant
51 *
52 * @author Andreas Gohr <andi@splitbrain.org>
53 * @param string $tpl The template to use, default to current one
54 * @return string
55 */
56function tpl_basedir($tpl='') {
57    global $conf;
58    if(!$tpl) $tpl = $conf['template'];
59    return DOKU_BASE.'lib/tpl/'.$tpl.'/';
60}
61
62/**
63 * Print the content
64 *
65 * This function is used for printing all the usual content
66 * (defined by the global $ACT var) by calling the appropriate
67 * outputfunction(s) from html.php
68 *
69 * Everything that doesn't use the main template file isn't
70 * handled by this function. ACL stuff is not done here either.
71 *
72 * @author Andreas Gohr <andi@splitbrain.org>
73 *
74 * @triggers TPL_ACT_RENDER
75 * @triggers TPL_CONTENT_DISPLAY
76 * @param bool $prependTOC should the TOC be displayed here?
77 * @return bool true if any output
78 */
79function tpl_content($prependTOC = true) {
80    global $ACT;
81    global $INFO;
82    $INFO['prependTOC'] = $prependTOC;
83
84    ob_start();
85    Event::createAndTrigger('TPL_ACT_RENDER', $ACT, 'tpl_content_core');
86    $html_output = ob_get_clean();
87    Event::createAndTrigger('TPL_CONTENT_DISPLAY', $html_output, 'ptln');
88
89    return !empty($html_output);
90}
91
92/**
93 * Default Action of TPL_ACT_RENDER
94 *
95 * @return bool
96 */
97function tpl_content_core() {
98    $router = \dokuwiki\ActionRouter::getInstance();
99    try {
100        $router->getAction()->tplContent();
101    } catch(\dokuwiki\Action\Exception\FatalException $e) {
102        // there was no content for the action
103        msg(hsc($e->getMessage()), -1);
104        return false;
105    }
106    return true;
107}
108
109/**
110 * Places the TOC where the function is called
111 *
112 * If you use this you most probably want to call tpl_content with
113 * a false argument
114 *
115 * @author Andreas Gohr <andi@splitbrain.org>
116 *
117 * @param bool $return Should the TOC be returned instead to be printed?
118 * @return string
119 */
120function tpl_toc($return = false) {
121    global $TOC;
122    global $ACT;
123    global $ID;
124    global $REV;
125    global $INFO;
126    global $conf;
127    global $INPUT;
128    $toc = array();
129
130    if(is_array($TOC)) {
131        // if a TOC was prepared in global scope, always use it
132        $toc = $TOC;
133    } elseif(($ACT == 'show' || substr($ACT, 0, 6) == 'export') && !$REV && $INFO['exists']) {
134        // get TOC from metadata, render if neccessary
135        $meta = p_get_metadata($ID, '', METADATA_RENDER_USING_CACHE);
136        if(isset($meta['internal']['toc'])) {
137            $tocok = $meta['internal']['toc'];
138        } else {
139            $tocok = true;
140        }
141        $toc = isset($meta['description']['tableofcontents']) ? $meta['description']['tableofcontents'] : null;
142        if(!$tocok || !is_array($toc) || !$conf['tocminheads'] || count($toc) < $conf['tocminheads']) {
143            $toc = array();
144        }
145    } elseif($ACT == 'admin') {
146        // try to load admin plugin TOC
147        /** @var $plugin AdminPlugin */
148        if ($plugin = plugin_getRequestAdminPlugin()) {
149            $toc = $plugin->getTOC();
150            $TOC = $toc; // avoid later rebuild
151        }
152    }
153
154    Event::createAndTrigger('TPL_TOC_RENDER', $toc, null, false);
155    $html = html_TOC($toc);
156    if($return) return $html;
157    echo $html;
158    return '';
159}
160
161/**
162 * Handle the admin page contents
163 *
164 * @author Andreas Gohr <andi@splitbrain.org>
165 *
166 * @return bool
167 */
168function tpl_admin() {
169    global $INFO;
170    global $TOC;
171    global $INPUT;
172
173    $plugin = null;
174    $class  = $INPUT->str('page');
175    if(!empty($class)) {
176        $pluginlist = plugin_list('admin');
177
178        if(in_array($class, $pluginlist)) {
179            // attempt to load the plugin
180            /** @var $plugin AdminPlugin */
181            $plugin = plugin_load('admin', $class);
182        }
183    }
184
185    if($plugin !== null) {
186        if(!is_array($TOC)) $TOC = $plugin->getTOC(); //if TOC wasn't requested yet
187        if($INFO['prependTOC']) tpl_toc();
188        $plugin->html();
189    } else {
190        $admin = new dokuwiki\Ui\Admin();
191        $admin->show();
192    }
193    return true;
194}
195
196/**
197 * Print the correct HTML meta headers
198 *
199 * This has to go into the head section of your template.
200 *
201 * @author Andreas Gohr <andi@splitbrain.org>
202 *
203 * @triggers TPL_METAHEADER_OUTPUT
204 * @param  bool $alt Should feeds and alternative format links be added?
205 * @return bool
206 */
207function tpl_metaheaders($alt = true) {
208    global $ID;
209    global $REV;
210    global $INFO;
211    global $JSINFO;
212    global $ACT;
213    global $QUERY;
214    global $lang;
215    global $conf;
216    global $updateVersion;
217    /** @var Input $INPUT */
218    global $INPUT;
219
220    // prepare the head array
221    $head = array();
222
223    // prepare seed for js and css
224    $tseed   = $updateVersion;
225    $depends = getConfigFiles('main');
226    $depends[] = DOKU_CONF."tpl/".$conf['template']."/style.ini";
227    foreach($depends as $f) $tseed .= @filemtime($f);
228    $tseed   = md5($tseed);
229
230    // the usual stuff
231    $head['meta'][] = array('name'=> 'generator', 'content'=> 'DokuWiki');
232    if(actionOK('search')) {
233        $head['link'][] = array(
234            'rel' => 'search', 'type'=> 'application/opensearchdescription+xml',
235            'href'=> DOKU_BASE.'lib/exe/opensearch.php', 'title'=> $conf['title']
236        );
237    }
238
239    $head['link'][] = array('rel'=> 'start', 'href'=> DOKU_BASE);
240    if(actionOK('index')) {
241        $head['link'][] = array(
242            'rel'  => 'contents', 'href'=> wl($ID, 'do=index', false, '&'),
243            'title'=> $lang['btn_index']
244        );
245    }
246
247    if (actionOK('manifest')) {
248        $head['link'][] = array('rel'=> 'manifest', 'href'=> DOKU_BASE.'lib/exe/manifest.php');
249    }
250
251    $styleUtil = new \dokuwiki\StyleUtils();
252    $styleIni = $styleUtil->cssStyleini();
253    $replacements = $styleIni['replacements'];
254    if (!empty($replacements['__theme_color__'])) {
255        $head['meta'][] = array('name' => 'theme-color', 'content' => $replacements['__theme_color__']);
256    }
257
258    if($alt) {
259        if(actionOK('rss')) {
260            $head['link'][] = array(
261                'rel'  => 'alternate', 'type'=> 'application/rss+xml',
262                'title'=> $lang['btn_recent'], 'href'=> DOKU_BASE.'feed.php'
263            );
264            $head['link'][] = array(
265                'rel'  => 'alternate', 'type'=> 'application/rss+xml',
266                'title'=> $lang['currentns'],
267                'href' => DOKU_BASE.'feed.php?mode=list&ns='.(isset($INFO) ? $INFO['namespace'] : '')
268            );
269        }
270        if(($ACT == 'show' || $ACT == 'search') && $INFO['writable']) {
271            $head['link'][] = array(
272                'rel'  => 'edit',
273                'title'=> $lang['btn_edit'],
274                'href' => wl($ID, 'do=edit', false, '&')
275            );
276        }
277
278        if(actionOK('rss') && $ACT == 'search') {
279            $head['link'][] = array(
280                'rel'  => 'alternate', 'type'=> 'application/rss+xml',
281                'title'=> $lang['searchresult'],
282                'href' => DOKU_BASE.'feed.php?mode=search&q='.$QUERY
283            );
284        }
285
286        if(actionOK('export_xhtml')) {
287            $head['link'][] = array(
288                'rel' => 'alternate', 'type'=> 'text/html', 'title'=> $lang['plainhtml'],
289                'href'=> exportlink($ID, 'xhtml', '', false, '&')
290            );
291        }
292
293        if(actionOK('export_raw')) {
294            $head['link'][] = array(
295                'rel' => 'alternate', 'type'=> 'text/plain', 'title'=> $lang['wikimarkup'],
296                'href'=> exportlink($ID, 'raw', '', false, '&')
297            );
298        }
299    }
300
301    // setup robot tags appropriate for different modes
302    if(($ACT == 'show' || $ACT == 'export_xhtml') && !$REV) {
303        if($INFO['exists']) {
304            //delay indexing:
305            if((time() - $INFO['lastmod']) >= $conf['indexdelay'] && !isHiddenPage($ID) ) {
306                $head['meta'][] = array('name'=> 'robots', 'content'=> 'index,follow');
307            } else {
308                $head['meta'][] = array('name'=> 'robots', 'content'=> 'noindex,nofollow');
309            }
310            $canonicalUrl = wl($ID, '', true, '&');
311            if ($ID == $conf['start']) {
312                $canonicalUrl = DOKU_URL;
313            }
314            $head['link'][] = array('rel'=> 'canonical', 'href'=> $canonicalUrl);
315        } else {
316            $head['meta'][] = array('name'=> 'robots', 'content'=> 'noindex,follow');
317        }
318    } elseif(defined('DOKU_MEDIADETAIL')) {
319        $head['meta'][] = array('name'=> 'robots', 'content'=> 'index,follow');
320    } else {
321        $head['meta'][] = array('name'=> 'robots', 'content'=> 'noindex,nofollow');
322    }
323
324    // set metadata
325    if($ACT == 'show' || $ACT == 'export_xhtml') {
326        // keywords (explicit or implicit)
327        if(!empty($INFO['meta']['subject'])) {
328            $head['meta'][] = array('name'=> 'keywords', 'content'=> join(',', $INFO['meta']['subject']));
329        } else {
330            $head['meta'][] = array('name'=> 'keywords', 'content'=> str_replace(':', ',', $ID));
331        }
332    }
333
334    // load stylesheets
335    $head['link'][] = array(
336        'rel' => 'stylesheet',
337        'href'=> DOKU_BASE.'lib/exe/css.php?t='.rawurlencode($conf['template']).'&tseed='.$tseed
338    );
339
340    $script = "var NS='".(isset($INFO)?$INFO['namespace']:'')."';";
341    if($conf['useacl'] && $INPUT->server->str('REMOTE_USER')) {
342        $script .= "var SIG=".toolbar_signature().";";
343    }
344    jsinfo();
345    $script .= 'var JSINFO = ' . json_encode($JSINFO).';';
346    $head['script'][] = array('_data'=> $script);
347
348    // load jquery
349    $jquery = getCdnUrls();
350    foreach($jquery as $src) {
351        $head['script'][] = array(
352            '_data' => '',
353            'src' => $src,
354        ) + ($conf['defer_js'] ? [ 'defer' => 'defer'] : []);
355    }
356
357    // load our javascript dispatcher
358    $head['script'][] = array(
359        '_data'=> '',
360        'src' => DOKU_BASE.'lib/exe/js.php'.'?t='.rawurlencode($conf['template']).'&tseed='.$tseed,
361    ) + ($conf['defer_js'] ? [ 'defer' => 'defer'] : []);
362
363    // trigger event here
364    Event::createAndTrigger('TPL_METAHEADER_OUTPUT', $head, '_tpl_metaheaders_action', true);
365    return true;
366}
367
368/**
369 * prints the array build by tpl_metaheaders
370 *
371 * $data is an array of different header tags. Each tag can have multiple
372 * instances. Attributes are given as key value pairs. Values will be HTML
373 * encoded automatically so they should be provided as is in the $data array.
374 *
375 * For tags having a body attribute specify the body data in the special
376 * attribute '_data'. This field will NOT BE ESCAPED automatically.
377 *
378 * @author Andreas Gohr <andi@splitbrain.org>
379 *
380 * @param array $data
381 */
382function _tpl_metaheaders_action($data) {
383    foreach($data as $tag => $inst) {
384        if($tag == 'script') {
385            echo "<!--[if gte IE 9]><!-->\n"; // no scripts for old IE
386        }
387        foreach($inst as $attr) {
388            if ( empty($attr) ) { continue; }
389            echo '<', $tag, ' ', buildAttributes($attr);
390            if(isset($attr['_data']) || $tag == 'script') {
391                if($tag == 'script' && isset($attr['_data']))
392                    $attr['_data'] = "/*<![CDATA[*/".
393                        $attr['_data'].
394                        "\n/*!]]>*/";
395
396                echo '>', isset($attr['_data']) ? $attr['_data'] : '', '</', $tag, '>';
397            } else {
398                echo '/>';
399            }
400            echo "\n";
401        }
402        if($tag == 'script') {
403            echo "<!--<![endif]-->\n";
404        }
405    }
406}
407
408/**
409 * Print a link
410 *
411 * Just builds a link.
412 *
413 * @author Andreas Gohr <andi@splitbrain.org>
414 *
415 * @param string $url
416 * @param string $name
417 * @param string $more
418 * @param bool $return if true return the link html, otherwise print
419 * @return bool|string html of the link, or true if printed
420 */
421function tpl_link($url, $name, $more = '', $return = false) {
422    $out = '<a href="'.$url.'" ';
423    if($more) $out .= ' '.$more;
424    $out .= ">$name</a>";
425    if($return) return $out;
426    print $out;
427    return true;
428}
429
430/**
431 * Prints a link to a WikiPage
432 *
433 * Wrapper around html_wikilink
434 *
435 * @author Andreas Gohr <andi@splitbrain.org>
436 *
437 * @param string      $id   page id
438 * @param string|null $name the name of the link
439 * @param bool        $return
440 * @return true|string
441 */
442function tpl_pagelink($id, $name = null, $return = false) {
443    $out = '<bdi>'.html_wikilink($id, $name).'</bdi>';
444    if($return) return $out;
445    print $out;
446    return true;
447}
448
449/**
450 * get the parent page
451 *
452 * Tries to find out which page is parent.
453 * returns false if none is available
454 *
455 * @author Andreas Gohr <andi@splitbrain.org>
456 *
457 * @param string $id page id
458 * @return false|string
459 */
460function tpl_getparent($id) {
461    $resolver = new PageResolver('root');
462
463    $parent = getNS($id).':';
464    $parent = $resolver->resolveId($parent);
465    if($parent == $id) {
466        $pos    = strrpos(getNS($id), ':');
467        $parent = substr($parent, 0, $pos).':';
468        $parent = $resolver->resolveId($parent);
469        if($parent == $id) return false;
470    }
471    return $parent;
472}
473
474/**
475 * Print one of the buttons
476 *
477 * @author Adrian Lang <mail@adrianlang.de>
478 * @see    tpl_get_action
479 *
480 * @param string $type
481 * @param bool $return
482 * @return bool|string html, or false if no data, true if printed
483 * @deprecated 2017-09-01 see devel:menus
484 */
485function tpl_button($type, $return = false) {
486    dbg_deprecated('see devel:menus');
487    $data = tpl_get_action($type);
488    if($data === false) {
489        return false;
490    } elseif(!is_array($data)) {
491        $out = sprintf($data, 'button');
492    } else {
493        /**
494         * @var string $accesskey
495         * @var string $id
496         * @var string $method
497         * @var array  $params
498         */
499        extract($data);
500        if($id === '#dokuwiki__top') {
501            $out = html_topbtn();
502        } else {
503            $out = html_btn($type, $id, $accesskey, $params, $method);
504        }
505    }
506    if($return) return $out;
507    echo $out;
508    return true;
509}
510
511/**
512 * Like the action buttons but links
513 *
514 * @author Adrian Lang <mail@adrianlang.de>
515 * @see    tpl_get_action
516 *
517 * @param string $type    action command
518 * @param string $pre     prefix of link
519 * @param string $suf     suffix of link
520 * @param string $inner   innerHML of link
521 * @param bool   $return  if true it returns html, otherwise prints
522 * @return bool|string html or false if no data, true if printed
523 * @deprecated 2017-09-01 see devel:menus
524 */
525function tpl_actionlink($type, $pre = '', $suf = '', $inner = '', $return = false) {
526    dbg_deprecated('see devel:menus');
527    global $lang;
528    $data = tpl_get_action($type);
529    if($data === false) {
530        return false;
531    } elseif(!is_array($data)) {
532        $out = sprintf($data, 'link');
533    } else {
534        /**
535         * @var string $accesskey
536         * @var string $id
537         * @var string $method
538         * @var bool   $nofollow
539         * @var array  $params
540         * @var string $replacement
541         */
542        extract($data);
543        if(strpos($id, '#') === 0) {
544            $linktarget = $id;
545        } else {
546            $linktarget = wl($id, $params);
547        }
548        $caption = $lang['btn_'.$type];
549        if(strpos($caption, '%s')){
550            $caption = sprintf($caption, $replacement);
551        }
552        $akey    = $addTitle = '';
553        if($accesskey) {
554            $akey     = 'accesskey="'.$accesskey.'" ';
555            $addTitle = ' ['.strtoupper($accesskey).']';
556        }
557        $rel = $nofollow ? 'rel="nofollow" ' : '';
558        $out = tpl_link(
559            $linktarget, $pre.(($inner) ? $inner : $caption).$suf,
560            'class="action '.$type.'" '.
561                $akey.$rel.
562                'title="'.hsc($caption).$addTitle.'"', true
563        );
564    }
565    if($return) return $out;
566    echo $out;
567    return true;
568}
569
570/**
571 * Check the actions and get data for buttons and links
572 *
573 * @author Andreas Gohr <andi@splitbrain.org>
574 * @author Matthias Grimm <matthiasgrimm@users.sourceforge.net>
575 * @author Adrian Lang <mail@adrianlang.de>
576 *
577 * @param string $type
578 * @return array|bool|string
579 * @deprecated 2017-09-01 see devel:menus
580 */
581function tpl_get_action($type) {
582    dbg_deprecated('see devel:menus');
583    if($type == 'history') $type = 'revisions';
584    if($type == 'subscription') $type = 'subscribe';
585    if($type == 'img_backto') $type = 'imgBackto';
586
587    $class = '\\dokuwiki\\Menu\\Item\\' . ucfirst($type);
588    if(class_exists($class)) {
589        try {
590            /** @var \dokuwiki\Menu\Item\AbstractItem $item */
591            $item = new $class;
592            $data = $item->getLegacyData();
593            $unknown = false;
594        } catch(\RuntimeException $ignored) {
595            return false;
596        }
597    } else {
598        global $ID;
599        $data = array(
600            'accesskey' => null,
601            'type' => $type,
602            'id' => $ID,
603            'method' => 'get',
604            'params' => array('do' => $type),
605            'nofollow' => true,
606            'replacement' => '',
607        );
608        $unknown = true;
609    }
610
611    $evt = new Event('TPL_ACTION_GET', $data);
612    if($evt->advise_before()) {
613        //handle unknown types
614        if($unknown) {
615            $data = '[unknown %s type]';
616        }
617    }
618    $evt->advise_after();
619    unset($evt);
620
621    return $data;
622}
623
624/**
625 * Wrapper around tpl_button() and tpl_actionlink()
626 *
627 * @author Anika Henke <anika@selfthinker.org>
628 *
629 * @param string        $type action command
630 * @param bool          $link link or form button?
631 * @param string|bool   $wrapper HTML element wrapper
632 * @param bool          $return return or print
633 * @param string        $pre prefix for links
634 * @param string        $suf suffix for links
635 * @param string        $inner inner HTML for links
636 * @return bool|string
637 * @deprecated 2017-09-01 see devel:menus
638 */
639function tpl_action($type, $link = false, $wrapper = false, $return = false, $pre = '', $suf = '', $inner = '') {
640    dbg_deprecated('see devel:menus');
641    $out = '';
642    if($link) {
643        $out .= tpl_actionlink($type, $pre, $suf, $inner, true);
644    } else {
645        $out .= tpl_button($type, true);
646    }
647    if($out && $wrapper) $out = "<$wrapper>$out</$wrapper>";
648
649    if($return) return $out;
650    print $out;
651    return $out ? true : false;
652}
653
654/**
655 * Print the search form
656 *
657 * If the first parameter is given a div with the ID 'qsearch_out' will
658 * be added which instructs the ajax pagequicksearch to kick in and place
659 * its output into this div. The second parameter controls the propritary
660 * attribute autocomplete. If set to false this attribute will be set with an
661 * value of "off" to instruct the browser to disable it's own built in
662 * autocompletion feature (MSIE and Firefox)
663 *
664 * @author Andreas Gohr <andi@splitbrain.org>
665 *
666 * @param bool $ajax
667 * @param bool $autocomplete
668 * @return bool
669 */
670function tpl_searchform($ajax = true, $autocomplete = true) {
671    global $lang;
672    global $ACT;
673    global $QUERY;
674    global $ID;
675
676    // don't print the search form if search action has been disabled
677    if(!actionOK('search')) return false;
678
679    $searchForm = new dokuwiki\Form\Form([
680        'action' => wl(),
681        'method' => 'get',
682        'role' => 'search',
683        'class' => 'search',
684        'id' => 'dw__search',
685    ], true);
686    $searchForm->addTagOpen('div')->addClass('no');
687    $searchForm->setHiddenField('do', 'search');
688    $searchForm->setHiddenField('id', $ID);
689    $searchForm->addTextInput('q')
690        ->addClass('edit')
691        ->attrs([
692            'title' => '[F]',
693            'accesskey' => 'f',
694            'placeholder' => $lang['btn_search'],
695            'autocomplete' => $autocomplete ? 'on' : 'off',
696        ])
697        ->id('qsearch__in')
698        ->val($ACT === 'search' ? $QUERY : '')
699        ->useInput(false)
700    ;
701    $searchForm->addButton('', $lang['btn_search'])->attrs([
702        'type' => 'submit',
703        'title' => $lang['btn_search'],
704    ]);
705    if ($ajax) {
706        $searchForm->addTagOpen('div')->id('qsearch__out')->addClass('ajax_qsearch JSpopup');
707        $searchForm->addTagClose('div');
708    }
709    $searchForm->addTagClose('div');
710
711    echo $searchForm->toHTML('QuickSearch');
712
713    return true;
714}
715
716/**
717 * Print the breadcrumbs trace
718 *
719 * @author Andreas Gohr <andi@splitbrain.org>
720 *
721 * @param string $sep Separator between entries
722 * @param bool   $return return or print
723 * @return bool|string
724 */
725function tpl_breadcrumbs($sep = null, $return = false) {
726    global $lang;
727    global $conf;
728
729    //check if enabled
730    if(!$conf['breadcrumbs']) return false;
731
732    //set default
733    if(is_null($sep)) $sep = '•';
734
735    $out='';
736
737    $crumbs = breadcrumbs(); //setup crumb trace
738
739    $crumbs_sep = ' <span class="bcsep">'.$sep.'</span> ';
740
741    //render crumbs, highlight the last one
742    $out .= '<span class="bchead">'.$lang['breadcrumb'].'</span>';
743    $last = count($crumbs);
744    $i    = 0;
745    foreach($crumbs as $id => $name) {
746        $i++;
747        $out .= $crumbs_sep;
748        if($i == $last) $out .= '<span class="curid">';
749        $out .= '<bdi>' . tpl_link(wl($id), hsc($name), 'class="breadcrumbs" title="'.$id.'"', true) .  '</bdi>';
750        if($i == $last) $out .= '</span>';
751    }
752    if($return) return $out;
753    print $out;
754    return $out ? true : false;
755}
756
757/**
758 * Hierarchical breadcrumbs
759 *
760 * This code was suggested as replacement for the usual breadcrumbs.
761 * It only makes sense with a deep site structure.
762 *
763 * @author Andreas Gohr <andi@splitbrain.org>
764 * @author Nigel McNie <oracle.shinoda@gmail.com>
765 * @author Sean Coates <sean@caedmon.net>
766 * @author <fredrik@averpil.com>
767 * @todo   May behave strangely in RTL languages
768 *
769 * @param string $sep Separator between entries
770 * @param bool   $return return or print
771 * @return bool|string
772 */
773function tpl_youarehere($sep = null, $return = false) {
774    global $conf;
775    global $ID;
776    global $lang;
777
778    // check if enabled
779    if(!$conf['youarehere']) return false;
780
781    //set default
782    if(is_null($sep)) $sep = ' » ';
783
784    $out = '';
785
786    $parts = explode(':', $ID);
787    $count = count($parts);
788
789    $out .= '<span class="bchead">'.$lang['youarehere'].' </span>';
790
791    // always print the startpage
792    $out .= '<span class="home">' . tpl_pagelink(':'.$conf['start'], null, true) . '</span>';
793
794    // print intermediate namespace links
795    $part = '';
796    for($i = 0; $i < $count - 1; $i++) {
797        $part .= $parts[$i].':';
798        $page = $part;
799        if($page == $conf['start']) continue; // Skip startpage
800
801        // output
802        $out .= $sep . tpl_pagelink($page, null, true);
803    }
804
805    // print current page, skipping start page, skipping for namespace index
806    if (isset($page)) {
807        $page = (new PageResolver('root'))->resolveId($page);
808        if ($page == $part . $parts[$i]) {
809            if ($return) return $out;
810            print $out;
811            return true;
812        }
813    }
814    $page = $part.$parts[$i];
815    if($page == $conf['start']) {
816        if($return) return $out;
817        print $out;
818        return true;
819    }
820    $out .= $sep;
821    $out .= tpl_pagelink($page, null, true);
822    if($return) return $out;
823    print $out;
824    return $out ? true : false;
825}
826
827/**
828 * Print info if the user is logged in
829 * and show full name in that case
830 *
831 * Could be enhanced with a profile link in future?
832 *
833 * @author Andreas Gohr <andi@splitbrain.org>
834 *
835 * @return bool
836 */
837function tpl_userinfo() {
838    global $lang;
839    /** @var Input $INPUT */
840    global $INPUT;
841
842    if($INPUT->server->str('REMOTE_USER')) {
843        print $lang['loggedinas'].' '.userlink();
844        return true;
845    }
846    return false;
847}
848
849/**
850 * Print some info about the current page
851 *
852 * @author Andreas Gohr <andi@splitbrain.org>
853 *
854 * @param bool $ret return content instead of printing it
855 * @return bool|string
856 */
857function tpl_pageinfo($ret = false) {
858    global $conf;
859    global $lang;
860    global $INFO;
861    global $ID;
862
863    // return if we are not allowed to view the page
864    if(!auth_quickaclcheck($ID)) {
865        return false;
866    }
867
868    // prepare date and path
869    $fn = $INFO['filepath'];
870    if(!$conf['fullpath']) {
871        if($INFO['rev']) {
872            $fn = str_replace($conf['olddir'].'/', '', $fn);
873        } else {
874            $fn = str_replace($conf['datadir'].'/', '', $fn);
875        }
876    }
877    $fn   = utf8_decodeFN($fn);
878    $date = dformat($INFO['lastmod']);
879
880    // print it
881    if($INFO['exists']) {
882        $out = '';
883        $out .= '<bdi>'.$fn.'</bdi>';
884        $out .= ' · ';
885        $out .= $lang['lastmod'];
886        $out .= ' ';
887        $out .= $date;
888        if($INFO['editor']) {
889            $out .= ' '.$lang['by'].' ';
890            $out .= '<bdi>'.editorinfo($INFO['editor']).'</bdi>';
891        } else {
892            $out .= ' ('.$lang['external_edit'].')';
893        }
894        if($INFO['locked']) {
895            $out .= ' · ';
896            $out .= $lang['lockedby'];
897            $out .= ' ';
898            $out .= '<bdi>'.editorinfo($INFO['locked']).'</bdi>';
899        }
900        if($ret) {
901            return $out;
902        } else {
903            echo $out;
904            return true;
905        }
906    }
907    return false;
908}
909
910/**
911 * Prints or returns the name of the given page (current one if none given).
912 *
913 * If useheading is enabled this will use the first headline else
914 * the given ID is used.
915 *
916 * @author Andreas Gohr <andi@splitbrain.org>
917 *
918 * @param string $id page id
919 * @param bool   $ret return content instead of printing
920 * @return bool|string
921 */
922function tpl_pagetitle($id = null, $ret = false) {
923    global $ACT, $INPUT, $conf, $lang;
924
925    if(is_null($id)) {
926        global $ID;
927        $id = $ID;
928    }
929
930    $name = $id;
931    if(useHeading('navigation')) {
932        $first_heading = p_get_first_heading($id);
933        if($first_heading) $name = $first_heading;
934    }
935
936    // default page title is the page name, modify with the current action
937    switch ($ACT) {
938        // admin functions
939        case 'admin' :
940            $page_title = $lang['btn_admin'];
941            // try to get the plugin name
942            /** @var $plugin AdminPlugin */
943            if ($plugin = plugin_getRequestAdminPlugin()){
944                $plugin_title = $plugin->getMenuText($conf['lang']);
945                $page_title = $plugin_title ? $plugin_title : $plugin->getPluginName();
946            }
947            break;
948
949        // user functions
950        case 'login' :
951        case 'profile' :
952        case 'register' :
953        case 'resendpwd' :
954            $page_title = $lang['btn_'.$ACT];
955            break;
956
957         // wiki functions
958        case 'search' :
959        case 'index' :
960            $page_title = $lang['btn_'.$ACT];
961            break;
962
963        // page functions
964        case 'edit' :
965        case 'preview' :
966            $page_title = "✎ ".$name;
967            break;
968
969        case 'revisions' :
970            $page_title = $name . ' - ' . $lang['btn_revs'];
971            break;
972
973        case 'backlink' :
974        case 'recent' :
975        case 'subscribe' :
976            $page_title = $name . ' - ' . $lang['btn_'.$ACT];
977            break;
978
979        default : // SHOW and anything else not included
980            $page_title = $name;
981    }
982
983    if($ret) {
984        return hsc($page_title);
985    } else {
986        print hsc($page_title);
987        return true;
988    }
989}
990
991/**
992 * Returns the requested EXIF/IPTC tag from the current image
993 *
994 * If $tags is an array all given tags are tried until a
995 * value is found. If no value is found $alt is returned.
996 *
997 * Which texts are known is defined in the functions _exifTagNames
998 * and _iptcTagNames() in inc/jpeg.php (You need to prepend IPTC
999 * to the names of the latter one)
1000 *
1001 * Only allowed in: detail.php
1002 *
1003 * @author Andreas Gohr <andi@splitbrain.org>
1004 *
1005 * @param array|string $tags tag or array of tags to try
1006 * @param string       $alt  alternative output if no data was found
1007 * @param null|string  $src  the image src, uses global $SRC if not given
1008 * @return string
1009 */
1010function tpl_img_getTag($tags, $alt = '', $src = null) {
1011    // Init Exif Reader
1012    global $SRC, $imgMeta;
1013
1014    if(is_null($src)) $src = $SRC;
1015    if(is_null($src)) return $alt;
1016
1017    if(!isset($imgMeta) || $imgMeta === null) $imgMeta = new JpegMeta($src);
1018    if($imgMeta === false) return $alt;
1019    $info = cleanText($imgMeta->getField($tags));
1020    if($info == false) return $alt;
1021    return $info;
1022}
1023
1024
1025/**
1026 * Garbage collects up the open JpegMeta object.
1027 */
1028function tpl_img_close(){
1029    global $imgMeta;
1030    $imgMeta = null;
1031}
1032
1033/**
1034 * Returns a description list of the metatags of the current image
1035 *
1036 * @return string html of description list
1037 */
1038function tpl_img_meta() {
1039    global $lang;
1040
1041    $tags = tpl_get_img_meta();
1042
1043    echo '<dl>';
1044    foreach($tags as $tag) {
1045        $label = $lang[$tag['langkey']];
1046        if(!$label) $label = $tag['langkey'] . ':';
1047
1048        echo '<dt>'.$label.'</dt><dd>';
1049        if ($tag['type'] == 'date') {
1050            echo dformat($tag['value']);
1051        } else {
1052            echo hsc($tag['value']);
1053        }
1054        echo '</dd>';
1055    }
1056    echo '</dl>';
1057}
1058
1059/**
1060 * Returns metadata as configured in mediameta config file, ready for creating html
1061 *
1062 * @return array with arrays containing the entries:
1063 *   - string langkey  key to lookup in the $lang var, if not found printed as is
1064 *   - string type     type of value
1065 *   - string value    tag value (unescaped)
1066 */
1067function tpl_get_img_meta() {
1068
1069    $config_files = getConfigFiles('mediameta');
1070    foreach ($config_files as $config_file) {
1071        if(file_exists($config_file)) {
1072            include($config_file);
1073        }
1074    }
1075    /** @var array $fields the included array with metadata */
1076
1077    $tags = array();
1078    foreach($fields as $tag){
1079        $t = array();
1080        if (!empty($tag[0])) {
1081            $t = array($tag[0]);
1082        }
1083        if(isset($tag[3]) && is_array($tag[3])) {
1084            $t = array_merge($t,$tag[3]);
1085        }
1086        $value = tpl_img_getTag($t);
1087        if ($value) {
1088            $tags[] = array('langkey' => $tag[1], 'type' => $tag[2], 'value' => $value);
1089        }
1090    }
1091    return $tags;
1092}
1093
1094/**
1095 * Prints the image with a link to the full sized version
1096 *
1097 * Only allowed in: detail.php
1098 *
1099 * @triggers TPL_IMG_DISPLAY
1100 * @param $maxwidth  int - maximal width of the image
1101 * @param $maxheight int - maximal height of the image
1102 * @param $link bool     - link to the orginal size?
1103 * @param $params array  - additional image attributes
1104 * @return bool Result of TPL_IMG_DISPLAY
1105 */
1106function tpl_img($maxwidth = 0, $maxheight = 0, $link = true, $params = null) {
1107    global $IMG;
1108    /** @var Input $INPUT */
1109    global $INPUT;
1110    global $REV;
1111    $w = (int) tpl_img_getTag('File.Width');
1112    $h = (int) tpl_img_getTag('File.Height');
1113
1114    //resize to given max values
1115    $ratio = 1;
1116    if($w >= $h) {
1117        if($maxwidth && $w >= $maxwidth) {
1118            $ratio = $maxwidth / $w;
1119        } elseif($maxheight && $h > $maxheight) {
1120            $ratio = $maxheight / $h;
1121        }
1122    } else {
1123        if($maxheight && $h >= $maxheight) {
1124            $ratio = $maxheight / $h;
1125        } elseif($maxwidth && $w > $maxwidth) {
1126            $ratio = $maxwidth / $w;
1127        }
1128    }
1129    if($ratio) {
1130        $w = floor($ratio * $w);
1131        $h = floor($ratio * $h);
1132    }
1133
1134    //prepare URLs
1135    $url = ml($IMG, array('cache'=> $INPUT->str('cache'),'rev'=>$REV), true, '&');
1136    $src = ml($IMG, array('cache'=> $INPUT->str('cache'),'rev'=>$REV, 'w'=> $w, 'h'=> $h), true, '&');
1137
1138    //prepare attributes
1139    $alt = tpl_img_getTag('Simple.Title');
1140    if(is_null($params)) {
1141        $p = array();
1142    } else {
1143        $p = $params;
1144    }
1145    if($w) $p['width'] = $w;
1146    if($h) $p['height'] = $h;
1147    $p['class'] = 'img_detail';
1148    if($alt) {
1149        $p['alt']   = $alt;
1150        $p['title'] = $alt;
1151    } else {
1152        $p['alt'] = '';
1153    }
1154    $p['src'] = $src;
1155
1156    $data = array('url'=> ($link ? $url : null), 'params'=> $p);
1157    return Event::createAndTrigger('TPL_IMG_DISPLAY', $data, '_tpl_img_action', true);
1158}
1159
1160/**
1161 * Default action for TPL_IMG_DISPLAY
1162 *
1163 * @param array $data
1164 * @return bool
1165 */
1166function _tpl_img_action($data) {
1167    global $lang;
1168    $p = buildAttributes($data['params']);
1169
1170    if($data['url']) print '<a href="'.hsc($data['url']).'" title="'.$lang['mediaview'].'">';
1171    print '<img '.$p.'/>';
1172    if($data['url']) print '</a>';
1173    return true;
1174}
1175
1176/**
1177 * This function inserts a small gif which in reality is the indexer function.
1178 *
1179 * Should be called somewhere at the very end of the main.php
1180 * template
1181 *
1182 * @return bool
1183 */
1184function tpl_indexerWebBug() {
1185    global $ID;
1186
1187    $p           = array();
1188    $p['src']    = DOKU_BASE.'lib/exe/taskrunner.php?id='.rawurlencode($ID).
1189        '&'.time();
1190    $p['width']  = 2; //no more 1x1 px image because we live in times of ad blockers...
1191    $p['height'] = 1;
1192    $p['alt']    = '';
1193    $att         = buildAttributes($p);
1194    print "<img $att />";
1195    return true;
1196}
1197
1198/**
1199 * tpl_getConf($id)
1200 *
1201 * use this function to access template configuration variables
1202 *
1203 * @param string $id      name of the value to access
1204 * @param mixed  $notset  what to return if the setting is not available
1205 * @return mixed
1206 */
1207function tpl_getConf($id, $notset=false) {
1208    global $conf;
1209    static $tpl_configloaded = false;
1210
1211    $tpl = $conf['template'];
1212
1213    if(!$tpl_configloaded) {
1214        $tconf = tpl_loadConfig();
1215        if($tconf !== false) {
1216            foreach($tconf as $key => $value) {
1217                if(isset($conf['tpl'][$tpl][$key])) continue;
1218                $conf['tpl'][$tpl][$key] = $value;
1219            }
1220            $tpl_configloaded = true;
1221        }
1222    }
1223
1224    if(isset($conf['tpl'][$tpl][$id])){
1225        return $conf['tpl'][$tpl][$id];
1226    }
1227
1228    return $notset;
1229}
1230
1231/**
1232 * tpl_loadConfig()
1233 *
1234 * reads all template configuration variables
1235 * this function is automatically called by tpl_getConf()
1236 *
1237 * @return array
1238 */
1239function tpl_loadConfig() {
1240
1241    $file = tpl_incdir().'/conf/default.php';
1242    $conf = array();
1243
1244    if(!file_exists($file)) return false;
1245
1246    // load default config file
1247    include($file);
1248
1249    return $conf;
1250}
1251
1252// language methods
1253/**
1254 * tpl_getLang($id)
1255 *
1256 * use this function to access template language variables
1257 *
1258 * @param string $id key of language string
1259 * @return string
1260 */
1261function tpl_getLang($id) {
1262    static $lang = array();
1263
1264    if(count($lang) === 0) {
1265        global $conf, $config_cascade; // definitely don't invoke "global $lang"
1266
1267        $path = tpl_incdir() . 'lang/';
1268
1269        $lang = array();
1270
1271        // don't include once
1272        @include($path . 'en/lang.php');
1273        foreach($config_cascade['lang']['template'] as $config_file) {
1274            if(file_exists($config_file . $conf['template'] . '/en/lang.php')) {
1275                include($config_file . $conf['template'] . '/en/lang.php');
1276            }
1277        }
1278
1279        if($conf['lang'] != 'en') {
1280            @include($path . $conf['lang'] . '/lang.php');
1281            foreach($config_cascade['lang']['template'] as $config_file) {
1282                if(file_exists($config_file . $conf['template'] . '/' . $conf['lang'] . '/lang.php')) {
1283                    include($config_file . $conf['template'] . '/' . $conf['lang'] . '/lang.php');
1284                }
1285            }
1286        }
1287    }
1288    return isset($lang[$id]) ? $lang[$id] : '';
1289}
1290
1291/**
1292 * Retrieve a language dependent file and pass to xhtml renderer for display
1293 * template equivalent of p_locale_xhtml()
1294 *
1295 * @param   string $id id of language dependent wiki page
1296 * @return  string     parsed contents of the wiki page in xhtml format
1297 */
1298function tpl_locale_xhtml($id) {
1299    return p_cached_output(tpl_localeFN($id));
1300}
1301
1302/**
1303 * Prepends appropriate path for a language dependent filename
1304 *
1305 * @param string $id id of localized text
1306 * @return string wiki text
1307 */
1308function tpl_localeFN($id) {
1309    $path = tpl_incdir().'lang/';
1310    global $conf;
1311    $file = DOKU_CONF.'template_lang/'.$conf['template'].'/'.$conf['lang'].'/'.$id.'.txt';
1312    if (!file_exists($file)){
1313        $file = $path.$conf['lang'].'/'.$id.'.txt';
1314        if(!file_exists($file)){
1315            //fall back to english
1316            $file = $path.'en/'.$id.'.txt';
1317        }
1318    }
1319    return $file;
1320}
1321
1322/**
1323 * prints the "main content" in the mediamanager popup
1324 *
1325 * Depending on the user's actions this may be a list of
1326 * files in a namespace, the meta editing dialog or
1327 * a message of referencing pages
1328 *
1329 * Only allowed in mediamanager.php
1330 *
1331 * @triggers MEDIAMANAGER_CONTENT_OUTPUT
1332 * @param bool $fromajax - set true when calling this function via ajax
1333 * @param string $sort
1334 *
1335 * @author Andreas Gohr <andi@splitbrain.org>
1336 */
1337function tpl_mediaContent($fromajax = false, $sort='natural') {
1338    global $IMG;
1339    global $AUTH;
1340    global $INUSE;
1341    global $NS;
1342    global $JUMPTO;
1343    /** @var Input $INPUT */
1344    global $INPUT;
1345
1346    $do = $INPUT->extract('do')->str('do');
1347    if(in_array($do, array('save', 'cancel'))) $do = '';
1348
1349    if(!$do) {
1350        if($INPUT->bool('edit')) {
1351            $do = 'metaform';
1352        } elseif(is_array($INUSE)) {
1353            $do = 'filesinuse';
1354        } else {
1355            $do = 'filelist';
1356        }
1357    }
1358
1359    // output the content pane, wrapped in an event.
1360    if(!$fromajax) ptln('<div id="media__content">');
1361    $data = array('do' => $do);
1362    $evt  = new Event('MEDIAMANAGER_CONTENT_OUTPUT', $data);
1363    if($evt->advise_before()) {
1364        $do = $data['do'];
1365        if($do == 'filesinuse') {
1366            media_filesinuse($INUSE, $IMG);
1367        } elseif($do == 'filelist') {
1368            media_filelist($NS, $AUTH, $JUMPTO,false,$sort);
1369        } elseif($do == 'searchlist') {
1370            media_searchlist($INPUT->str('q'), $NS, $AUTH);
1371        } else {
1372            msg('Unknown action '.hsc($do), -1);
1373        }
1374    }
1375    $evt->advise_after();
1376    unset($evt);
1377    if(!$fromajax) ptln('</div>');
1378
1379}
1380
1381/**
1382 * Prints the central column in full-screen media manager
1383 * Depending on the opened tab this may be a list of
1384 * files in a namespace, upload form or search form
1385 *
1386 * @author Kate Arzamastseva <pshns@ukr.net>
1387 */
1388function tpl_mediaFileList() {
1389    global $AUTH;
1390    global $NS;
1391    global $JUMPTO;
1392    global $lang;
1393    /** @var Input $INPUT */
1394    global $INPUT;
1395
1396    $opened_tab = $INPUT->str('tab_files');
1397    if(!$opened_tab || !in_array($opened_tab, array('files', 'upload', 'search'))) $opened_tab = 'files';
1398    if($INPUT->str('mediado') == 'update') $opened_tab = 'upload';
1399
1400    echo '<h2 class="a11y">'.$lang['mediaselect'].'</h2>'.NL;
1401
1402    media_tabs_files($opened_tab);
1403
1404    echo '<div class="panelHeader">'.NL;
1405    echo '<h3>';
1406    $tabTitle = ($NS) ? $NS : '['.$lang['mediaroot'].']';
1407    printf($lang['media_'.$opened_tab], '<strong>'.hsc($tabTitle).'</strong>');
1408    echo '</h3>'.NL;
1409    if($opened_tab === 'search' || $opened_tab === 'files') {
1410        media_tab_files_options();
1411    }
1412    echo '</div>'.NL;
1413
1414    echo '<div class="panelContent">'.NL;
1415    if($opened_tab == 'files') {
1416        media_tab_files($NS, $AUTH, $JUMPTO);
1417    } elseif($opened_tab == 'upload') {
1418        media_tab_upload($NS, $AUTH, $JUMPTO);
1419    } elseif($opened_tab == 'search') {
1420        media_tab_search($NS, $AUTH);
1421    }
1422    echo '</div>'.NL;
1423}
1424
1425/**
1426 * Prints the third column in full-screen media manager
1427 * Depending on the opened tab this may be details of the
1428 * selected file, the meta editing dialog or
1429 * list of file revisions
1430 *
1431 * @author Kate Arzamastseva <pshns@ukr.net>
1432 *
1433 * @param string $image
1434 * @param boolean $rev
1435 */
1436function tpl_mediaFileDetails($image, $rev) {
1437    global $conf, $DEL, $lang;
1438    /** @var Input $INPUT */
1439    global $INPUT;
1440
1441    $removed = (
1442        !file_exists(mediaFN($image)) &&
1443        file_exists(mediaMetaFN($image, '.changes')) &&
1444        $conf['mediarevisions']
1445    );
1446    if(!$image || (!file_exists(mediaFN($image)) && !$removed) || $DEL) return;
1447    if($rev && !file_exists(mediaFN($image, $rev))) $rev = false;
1448    $ns = getNS($image);
1449    $do = $INPUT->str('mediado');
1450
1451    $opened_tab = $INPUT->str('tab_details');
1452
1453    $tab_array = array('view');
1454    list(, $mime) = mimetype($image);
1455    if($mime == 'image/jpeg') {
1456        $tab_array[] = 'edit';
1457    }
1458    if($conf['mediarevisions']) {
1459        $tab_array[] = 'history';
1460    }
1461
1462    if(!$opened_tab || !in_array($opened_tab, $tab_array)) $opened_tab = 'view';
1463    if($INPUT->bool('edit')) $opened_tab = 'edit';
1464    if($do == 'restore') $opened_tab = 'view';
1465
1466    media_tabs_details($image, $opened_tab);
1467
1468    echo '<div class="panelHeader"><h3>';
1469    list($ext) = mimetype($image, false);
1470    $class    = preg_replace('/[^_\-a-z0-9]+/i', '_', $ext);
1471    $class    = 'select mediafile mf_'.$class;
1472    $attributes = $rev ? ['rev' => $rev] : [];
1473    $tabTitle = '<strong><a href="'.ml($image, $attributes).'" class="'.$class.'" title="'.$lang['mediaview'].'">'.
1474        $image.'</a>'.'</strong>';
1475    if($opened_tab === 'view' && $rev) {
1476        printf($lang['media_viewold'], $tabTitle, dformat($rev));
1477    } else {
1478        printf($lang['media_'.$opened_tab], $tabTitle);
1479    }
1480
1481    echo '</h3></div>'.NL;
1482
1483    echo '<div class="panelContent">'.NL;
1484
1485    if($opened_tab == 'view') {
1486        media_tab_view($image, $ns, null, $rev);
1487
1488    } elseif($opened_tab == 'edit' && !$removed) {
1489        media_tab_edit($image, $ns);
1490
1491    } elseif($opened_tab == 'history' && $conf['mediarevisions']) {
1492        media_tab_history($image, $ns);
1493    }
1494
1495    echo '</div>'.NL;
1496}
1497
1498/**
1499 * prints the namespace tree in the mediamanager popup
1500 *
1501 * Only allowed in mediamanager.php
1502 *
1503 * @author Andreas Gohr <andi@splitbrain.org>
1504 */
1505function tpl_mediaTree() {
1506    global $NS;
1507    ptln('<div id="media__tree">');
1508    media_nstree($NS);
1509    ptln('</div>');
1510}
1511
1512/**
1513 * Print a dropdown menu with all DokuWiki actions
1514 *
1515 * Note: this will not use any pretty URLs
1516 *
1517 * @author Andreas Gohr <andi@splitbrain.org>
1518 *
1519 * @param string $empty empty option label
1520 * @param string $button submit button label
1521 * @deprecated 2017-09-01 see devel:menus
1522 */
1523function tpl_actiondropdown($empty = '', $button = '&gt;') {
1524    dbg_deprecated('see devel:menus');
1525    $menu = new \dokuwiki\Menu\MobileMenu();
1526    echo $menu->getDropdown($empty, $button);
1527}
1528
1529/**
1530 * Print a informational line about the used license
1531 *
1532 * @author Andreas Gohr <andi@splitbrain.org>
1533 * @param  string $img     print image? (|button|badge)
1534 * @param  bool   $imgonly skip the textual description?
1535 * @param  bool   $return  when true don't print, but return HTML
1536 * @param  bool   $wrap    wrap in div with class="license"?
1537 * @return string
1538 */
1539function tpl_license($img = 'badge', $imgonly = false, $return = false, $wrap = true) {
1540    global $license;
1541    global $conf;
1542    global $lang;
1543    if(!$conf['license']) return '';
1544    if(!is_array($license[$conf['license']])) return '';
1545    $lic    = $license[$conf['license']];
1546    $target = ($conf['target']['extern']) ? ' target="'.$conf['target']['extern'].'"' : '';
1547
1548    $out = '';
1549    if($wrap) $out .= '<div class="license">';
1550    if($img) {
1551        $src = license_img($img);
1552        if($src) {
1553            $out .= '<a href="'.$lic['url'].'" rel="license"'.$target;
1554            $out .= '><img src="'.DOKU_BASE.$src.'" alt="'.$lic['name'].'" /></a>';
1555            if(!$imgonly) $out .= ' ';
1556        }
1557    }
1558    if(!$imgonly) {
1559        $out .= $lang['license'].' ';
1560        $out .= '<bdi><a href="'.$lic['url'].'" rel="license" class="urlextern"'.$target;
1561        $out .= '>'.$lic['name'].'</a></bdi>';
1562    }
1563    if($wrap) $out .= '</div>';
1564
1565    if($return) return $out;
1566    echo $out;
1567    return '';
1568}
1569
1570/**
1571 * Includes the rendered HTML of a given page
1572 *
1573 * This function is useful to populate sidebars or similar features in a
1574 * template
1575 *
1576 * @param string $pageid The page name you want to include
1577 * @param bool $print Should the content be printed or returned only
1578 * @param bool $propagate Search higher namespaces, too?
1579 * @param bool $useacl Include the page only if the ACLs check out?
1580 * @return bool|null|string
1581 */
1582function tpl_include_page($pageid, $print = true, $propagate = false, $useacl = true) {
1583    if($propagate) {
1584        $pageid = page_findnearest($pageid, $useacl);
1585    } elseif($useacl && auth_quickaclcheck($pageid) == AUTH_NONE) {
1586        return false;
1587    }
1588    if(!$pageid) return false;
1589
1590    global $TOC;
1591    $oldtoc = $TOC;
1592    $html   = p_wiki_xhtml($pageid, '', false);
1593    $TOC    = $oldtoc;
1594
1595    if($print) echo $html;
1596    return $html;
1597}
1598
1599/**
1600 * Display the subscribe form
1601 *
1602 * @author Adrian Lang <lang@cosmocode.de>
1603 * @deprecated 2020-07-23
1604 */
1605function tpl_subscribe() {
1606    dbg_deprecated(\dokuwiki\Ui\Subscribe::class .'::show()');
1607    (new \dokuwiki\Ui\Subscribe)->show();
1608}
1609
1610/**
1611 * Tries to send already created content right to the browser
1612 *
1613 * Wraps around ob_flush() and flush()
1614 *
1615 * @author Andreas Gohr <andi@splitbrain.org>
1616 */
1617function tpl_flush() {
1618    if( ob_get_level() > 0 ) ob_flush();
1619    flush();
1620}
1621
1622/**
1623 * Tries to find a ressource file in the given locations.
1624 *
1625 * If a given location starts with a colon it is assumed to be a media
1626 * file, otherwise it is assumed to be relative to the current template
1627 *
1628 * @param  string[] $search       locations to look at
1629 * @param  bool     $abs          if to use absolute URL
1630 * @param  array    &$imginfo     filled with getimagesize()
1631 * @param  bool     $fallback     use fallback image if target isn't found or return 'false' if potential
1632 *                                false result is required
1633 * @return string
1634 *
1635 * @author Andreas  Gohr <andi@splitbrain.org>
1636 */
1637function tpl_getMediaFile($search, $abs = false, &$imginfo = null, $fallback = true) {
1638    $img     = '';
1639    $file    = '';
1640    $ismedia = false;
1641    // loop through candidates until a match was found:
1642    foreach($search as $img) {
1643        if(substr($img, 0, 1) == ':') {
1644            $file    = mediaFN($img);
1645            $ismedia = true;
1646        } else {
1647            $file    = tpl_incdir().$img;
1648            $ismedia = false;
1649        }
1650
1651        if(file_exists($file)) break;
1652    }
1653
1654    // manage non existing target
1655    if (!file_exists($file)) {
1656        // give result for fallback image
1657        if ($fallback === true) {
1658            $file = DOKU_INC . 'lib/images/blank.gif';
1659            // stop process if false result is required (if $fallback is false)
1660        } else {
1661            return false;
1662        }
1663    }
1664
1665    // fetch image data if requested
1666    if(!is_null($imginfo)) {
1667        $imginfo = getimagesize($file);
1668    }
1669
1670    // build URL
1671    if($ismedia) {
1672        $url = ml($img, '', true, '', $abs);
1673    } else {
1674        $url = tpl_basedir().$img;
1675        if($abs) $url = DOKU_URL.substr($url, strlen(DOKU_REL));
1676    }
1677
1678    return $url;
1679}
1680
1681/**
1682 * PHP include a file
1683 *
1684 * either from the conf directory if it exists, otherwise use
1685 * file in the template's root directory.
1686 *
1687 * The function honours config cascade settings and looks for the given
1688 * file next to the ´main´ config files, in the order protected, local,
1689 * default.
1690 *
1691 * Note: no escaping or sanity checking is done here. Never pass user input
1692 * to this function!
1693 *
1694 * @author Anika Henke <anika@selfthinker.org>
1695 * @author Andreas Gohr <andi@splitbrain.org>
1696 *
1697 * @param string $file
1698 */
1699function tpl_includeFile($file) {
1700    global $config_cascade;
1701    foreach(array('protected', 'local', 'default') as $config_group) {
1702        if(empty($config_cascade['main'][$config_group])) continue;
1703        foreach($config_cascade['main'][$config_group] as $conf_file) {
1704            $dir = dirname($conf_file);
1705            if(file_exists("$dir/$file")) {
1706                include("$dir/$file");
1707                return;
1708            }
1709        }
1710    }
1711
1712    // still here? try the template dir
1713    $file = tpl_incdir().$file;
1714    if(file_exists($file)) {
1715        include($file);
1716    }
1717}
1718
1719/**
1720 * Returns <link> tag for various icon types (favicon|mobile|generic)
1721 *
1722 * @author Anika Henke <anika@selfthinker.org>
1723 *
1724 * @param  array $types - list of icon types to display (favicon|mobile|generic)
1725 * @return string
1726 */
1727function tpl_favicon($types = array('favicon')) {
1728
1729    $return = '';
1730
1731    foreach($types as $type) {
1732        switch($type) {
1733            case 'favicon':
1734                $look = array(':wiki:favicon.ico', ':favicon.ico', 'images/favicon.ico');
1735                $return .= '<link rel="shortcut icon" href="'.tpl_getMediaFile($look).'" />'.NL;
1736                break;
1737            case 'mobile':
1738                $look = array(':wiki:apple-touch-icon.png', ':apple-touch-icon.png', 'images/apple-touch-icon.png');
1739                $return .= '<link rel="apple-touch-icon" href="'.tpl_getMediaFile($look).'" />'.NL;
1740                break;
1741            case 'generic':
1742                // ideal world solution, which doesn't work in any browser yet
1743                $look = array(':wiki:favicon.svg', ':favicon.svg', 'images/favicon.svg');
1744                $return .= '<link rel="icon" href="'.tpl_getMediaFile($look).'" type="image/svg+xml" />'.NL;
1745                break;
1746        }
1747    }
1748
1749    return $return;
1750}
1751
1752/**
1753 * Prints full-screen media manager
1754 *
1755 * @author Kate Arzamastseva <pshns@ukr.net>
1756 */
1757function tpl_media() {
1758    global $NS, $IMG, $JUMPTO, $REV, $lang, $fullscreen, $INPUT;
1759    $fullscreen = true;
1760    require_once DOKU_INC.'lib/exe/mediamanager.php';
1761
1762    $rev   = '';
1763    $image = cleanID($INPUT->str('image'));
1764    if(isset($IMG)) $image = $IMG;
1765    if(isset($JUMPTO)) $image = $JUMPTO;
1766    if(isset($REV) && !$JUMPTO) $rev = $REV;
1767
1768    echo '<div id="mediamanager__page">'.NL;
1769    echo '<h1>'.$lang['btn_media'].'</h1>'.NL;
1770    html_msgarea();
1771
1772    echo '<div class="panel namespaces">'.NL;
1773    echo '<h2>'.$lang['namespaces'].'</h2>'.NL;
1774    echo '<div class="panelHeader">';
1775    echo $lang['media_namespaces'];
1776    echo '</div>'.NL;
1777
1778    echo '<div class="panelContent" id="media__tree">'.NL;
1779    media_nstree($NS);
1780    echo '</div>'.NL;
1781    echo '</div>'.NL;
1782
1783    echo '<div class="panel filelist">'.NL;
1784    tpl_mediaFileList();
1785    echo '</div>'.NL;
1786
1787    echo '<div class="panel file">'.NL;
1788    echo '<h2 class="a11y">'.$lang['media_file'].'</h2>'.NL;
1789    tpl_mediaFileDetails($image, $rev);
1790    echo '</div>'.NL;
1791
1792    echo '</div>'.NL;
1793}
1794
1795/**
1796 * Return useful layout classes
1797 *
1798 * @author Anika Henke <anika@selfthinker.org>
1799 *
1800 * @return string
1801 */
1802function tpl_classes() {
1803    global $ACT, $conf, $ID, $INFO;
1804    /** @var Input $INPUT */
1805    global $INPUT;
1806
1807    $classes = array(
1808        'dokuwiki',
1809        'mode_'.$ACT,
1810        'tpl_'.$conf['template'],
1811        $INPUT->server->bool('REMOTE_USER') ? 'loggedIn' : '',
1812        (isset($INFO['exists']) && $INFO['exists']) ? '' : 'notFound',
1813        ($ID == $conf['start']) ? 'home' : '',
1814    );
1815    return join(' ', $classes);
1816}
1817
1818/**
1819 * Create event for tools menues
1820 *
1821 * @author Anika Henke <anika@selfthinker.org>
1822 * @param string $toolsname name of menu
1823 * @param array $items
1824 * @param string $view e.g. 'main', 'detail', ...
1825 * @deprecated 2017-09-01 see devel:menus
1826 */
1827function tpl_toolsevent($toolsname, $items, $view = 'main') {
1828    dbg_deprecated('see devel:menus');
1829    $data = array(
1830        'view' => $view,
1831        'items' => $items
1832    );
1833
1834    $hook = 'TEMPLATE_' . strtoupper($toolsname) . '_DISPLAY';
1835    $evt = new Event($hook, $data);
1836    if($evt->advise_before()) {
1837        foreach($evt->data['items'] as $k => $html) echo $html;
1838    }
1839    $evt->advise_after();
1840}
1841
1842//Setup VIM: ex: et ts=4 :
1843
1844