xref: /dokuwiki/inc/media.php (revision 2f48496695a50adc68743bfbf1ac715e7b18711a) 
1<?php
2/**
3 * All output and handler function needed for the media management popup
4 *
5 * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
6 * @author     Andreas Gohr <andi@splitbrain.org>
7 */
8
9if(!defined('DOKU_INC')) define('DOKU_INC',fullpath(dirname(__FILE__).'/../').'/');
10if(!defined('NL')) define('NL',"\n");
11
12require_once(DOKU_INC.'inc/html.php');
13require_once(DOKU_INC.'inc/search.php');
14require_once(DOKU_INC.'inc/JpegMeta.php');
15
16/**
17 * Lists pages which currently use a media file selected for deletion
18 *
19 * References uses the same visual as search results and share
20 * their CSS tags except pagenames won't be links.
21 *
22 * @author Matthias Grimm <matthiasgrimm@users.sourceforge.net>
23 */
24function media_filesinuse($data,$id){
25    global $lang;
26    echo '<h1>'.$lang['reference'].' <code>'.hsc(noNS($id)).'</code></h1>';
27    echo '<p>'.hsc($lang['ref_inuse']).'</p>';
28
29    $hidden=0; //count of hits without read permission
30    foreach($data as $row){
31        if(auth_quickaclcheck($row) >= AUTH_READ && isVisiblePage($row)){
32            echo '<div class="search_result">';
33            echo '<span class="mediaref_ref">'.hsc($row).'</span>';
34            echo '</div>';
35        }else
36        $hidden++;
37    }
38    if ($hidden){
39      print '<div class="mediaref_hidden">'.$lang['ref_hidden'].'</div>';
40    }
41}
42
43/**
44 * Handles the saving of image meta data
45 *
46 * @author Andreas Gohr <andi@splitbrain.org>
47 */
48function media_metasave($id,$auth,$data){
49    if($auth < AUTH_UPLOAD) return false;
50    if(!checkSecurityToken()) return false;
51    global $lang;
52    global $conf;
53    $src = mediaFN($id);
54
55    $meta = new JpegMeta($src);
56    $meta->_parseAll();
57
58    foreach($data as $key => $val){
59        $val=trim($val);
60        if(empty($val)){
61            $meta->deleteField($key);
62        }else{
63            $meta->setField($key,$val);
64        }
65    }
66
67    if($meta->save()){
68        if($conf['fperm']) chmod($src, $conf['fperm']);
69        msg($lang['metasaveok'],1);
70        return $id;
71    }else{
72        msg($lang['metasaveerr'],-1);
73        return false;
74    }
75}
76
77/**
78 * Display the form to edit image meta data
79 *
80 * @author Andreas Gohr <andi@splitbrain.org>
81 */
82function media_metaform($id,$auth){
83    if($auth < AUTH_UPLOAD) return false;
84    global $lang;
85
86    // load the field descriptions
87    static $fields = null;
88    if(is_null($fields)){
89        include(DOKU_CONF.'mediameta.php');
90        if(@file_exists(DOKU_CONF.'mediameta.local.php')){
91            include(DOKU_CONF.'mediameta.local.php');
92        }
93    }
94
95    $src = mediaFN($id);
96
97    // output
98    echo '<h1>'.hsc(noNS($id)).'</h1>'.NL;
99    echo '<form action="'.DOKU_BASE.'lib/exe/mediamanager.php" accept-charset="utf-8" method="post" class="meta">'.NL;
100    formSecurityToken();
101    foreach($fields as $key => $field){
102        // get current value
103        $tags = array($field[0]);
104        if(is_array($field[3])) $tags = array_merge($tags,$field[3]);
105        $value = tpl_img_getTag($tags,'',$src);
106        $value = cleanText($value);
107
108        // prepare attributes
109        $p = array();
110        $p['class'] = 'edit';
111        $p['id']    = 'meta__'.$key;
112        $p['name']  = 'meta['.$field[0].']';
113
114        // put label
115        echo '<div class="metafield">';
116        echo '<label for="meta__'.$key.'">';
117        echo ($lang[$field[1]]) ? $lang[$field[1]] : $field[1];
118        echo ':</label>';
119
120        // put input field
121        if($field[2] == 'text'){
122            $p['value'] = $value;
123            $p['type']  = 'text';
124            $att = buildAttributes($p);
125            echo "<input $att/>".NL;
126        }else{
127            $att = buildAttributes($p);
128            echo "<textarea $att rows=\"6\" cols=\"50\">".formText($value).'</textarea>'.NL;
129        }
130        echo '</div>'.NL;
131    }
132    echo '<div class="buttons">'.NL;
133    echo '<input type="hidden" name="img" value="'.hsc($id).'" />'.NL;
134    echo '<input name="do[save]" type="submit" value="'.$lang['btn_save'].
135         '" title="ALT+S" accesskey="s" class="button" />'.NL;
136    echo '<input name="do[cancel]" type="submit" value="'.$lang['btn_cancel'].
137         '" title="ALT+C" accesskey="c" class="button" />'.NL;
138    echo '</div>'.NL;
139    echo '</form>'.NL;
140}
141
142
143/**
144 * Handles media file deletions
145 *
146 * If configured, checks for media references before deletion
147 *
148 * @author Andreas Gohr <andi@splitbrain.org>
149 * @return mixed false on error, true on delete or array with refs
150 */
151function media_delete($id,$auth){
152    if($auth < AUTH_DELETE) return false;
153    if(!checkSecurityToken()) return false;
154    global $conf;
155    global $lang;
156
157    // check for references if needed
158    $mediareferences = array();
159    if($conf['refcheck']){
160        require_once(DOKU_INC.'inc/fulltext.php');
161        $mediareferences = ft_mediause($id,$conf['refshow']);
162    }
163
164    if(!count($mediareferences)){
165        $file = mediaFN($id);
166
167        // trigger an event - MEDIA_DELETE_FILE
168        $data['name'] = basename($file);
169        $data['path'] = $file;
170        $data['size'] = (@file_exists($file)) ? filesize($file) : 0;
171        $evt = new Doku_Event('MEDIA_DELETE_FILE',$data);
172        if ($evt->advise_before()) {
173            if(@unlink($file)){
174                msg(str_replace('%s',noNS($id),$lang['deletesucc']),1);
175                $del = io_sweepNS($id,'mediadir');
176                if($del){
177                    // current namespace was removed. redirecting to root ns passing msg along
178                    header('Location: '.DOKU_URL.'lib/exe/mediamanager.php?msg1='.
179                            rawurlencode(str_replace('%s',noNS($id),$lang['deletesucc'])));
180                    exit;
181                }
182                return true;
183            }
184        }
185        $evt->advise_after();
186        unset($evt);
187
188        //something went wrong
189        msg(str_replace('%s',$file,$lang['deletefail']),-1);
190        return false;
191    }elseif(!$conf['refshow']){
192        msg(str_replace('%s',noNS($id),$lang['mediainuse']),0);
193        return false;
194    }
195
196    return $mediareferences;
197}
198
199/**
200 * Handles media file uploads
201 *
202 * This generates an action event and delegates to _media_upload_action().
203 * Action plugins are allowed to pre/postprocess the uploaded file.
204 * (The triggered event is preventable.)
205 *
206 * Event data:
207 * $data[0]     fn_tmp: the temporary file name (read from $_FILES)
208 * $data[1]     fn: the file name of the uploaded file
209 * $data[2]     id: the future directory id of the uploaded file
210 * $data[3]     imime: the mimetype of the uploaded file
211 *
212 * @triggers MEDIA_UPLOAD_FINISH
213 * @author Andreas Gohr <andi@splitbrain.org>
214 * @author Michael Klier <chi@chimeric.de>
215 * @return mixed false on error, id of the new file on success
216 */
217function media_upload($ns,$auth){
218    if($auth < AUTH_UPLOAD) return false;
219    if(!checkSecurityToken()) return false;
220    require_once(DOKU_INC.'inc/confutils.php');
221    global $lang;
222    global $conf;
223
224    // get file and id
225    $id   = $_POST['id'];
226    $file = $_FILES['upload'];
227    if(empty($id)) $id = $file['name'];
228
229    // check for data
230    if(!@filesize($file['tmp_name'])){
231        msg('No data uploaded. Disk full?',-1);
232        return false;
233    }
234
235    // check extensions
236    list($fext,$fmime) = mimetype($file['name']);
237    list($iext,$imime) = mimetype($id);
238    if($fext && !$iext){
239        // no extension specified in id - read original one
240        $id   .= '.'.$fext;
241        $imime = $fmime;
242    }elseif($fext && $fext != $iext){
243        // extension was changed, print warning
244        msg(sprintf($lang['mediaextchange'],$fext,$iext));
245    }
246
247    // get filename
248    $id   = cleanID($ns.':'.$id,false,true);
249    $fn   = mediaFN($id);
250
251    // get filetype regexp
252    $types = array_keys(getMimeTypes());
253    $types = array_map(create_function('$q','return preg_quote($q,"/");'),$types);
254    $regex = join('|',$types);
255
256    // because a temp file was created already
257    if(preg_match('/\.('.$regex.')$/i',$fn)){
258        //check for overwrite
259        if(@file_exists($fn) && (!$_REQUEST['ow'] || $auth < AUTH_DELETE)){
260            msg($lang['uploadexist'],0);
261            return false;
262        }
263        // check for valid content
264        $ok = media_contentcheck($file['tmp_name'],$imime);
265        if($ok == -1){
266            msg(sprintf($lang['uploadbadcontent'],".$iext"),-1);
267            return false;
268        }elseif($ok == -2){
269            msg($lang['uploadspam'],-1);
270            return false;
271        }elseif($ok == -3){
272            msg($lang['uploadxss'],-1);
273            return false;
274        }
275
276        // prepare event data
277        $data[0] = $file['tmp_name'];
278        $data[1] = $fn;
279        $data[2] = $id;
280        $data[3] = $imime;
281
282        // trigger event
283        return trigger_event('MEDIA_UPLOAD_FINISH', $data, '_media_upload_action', true);
284
285    }else{
286        msg($lang['uploadwrong'],-1);
287    }
288    return false;
289}
290
291/**
292 * Callback adapter for media_upload_finish()
293 * @author Michael Klier <chi@chimeric.de>
294 */
295function _media_upload_action($data) {
296    // fixme do further sanity tests of given data?
297    if(is_array($data) && count($data)===4) {
298        return media_upload_finish($data[0], $data[1], $data[2], $data[3]);
299    } else {
300        return false; //callback error
301    }
302}
303
304/**
305 * Saves an uploaded media file
306 *
307 * @author Andreas Gohr <andi@splitbrain.org>
308 * @author Michael Klier <chi@chimeric.de>
309 */
310function media_upload_finish($fn_tmp, $fn, $id, $imime) {
311    global $conf;
312    global $lang;
313
314    // prepare directory
315    io_createNamespace($id, 'media');
316
317    if(move_uploaded_file($fn_tmp, $fn)) {
318        // Set the correct permission here.
319        // Always chmod media because they may be saved with different permissions than expected from the php umask.
320        // (Should normally chmod to $conf['fperm'] only if $conf['fperm'] is set.)
321        chmod($fn, $conf['fmode']);
322        msg($lang['uploadsucc'],1);
323        media_notify($id,$fn,$imime);
324        return $id;
325    }else{
326        msg($lang['uploadfail'],-1);
327    }
328}
329
330/**
331 * This function checks if the uploaded content is really what the
332 * mimetype says it is. We also do spam checking for text types here.
333 *
334 * We need to do this stuff because we can not rely on the browser
335 * to do this check correctly. Yes, IE is broken as usual.
336 *
337 * @author Andreas Gohr <andi@splitbrain.org>
338 * @link   http://www.splitbrain.org/blog/2007-02/12-internet_explorer_facilitates_cross_site_scripting
339 * @fixme  check all 26 magic IE filetypes here?
340 */
341function media_contentcheck($file,$mime){
342    global $conf;
343    if($conf['iexssprotect']){
344        $fh = @fopen($file, 'rb');
345        if($fh){
346            $bytes = fread($fh, 256);
347            fclose($fh);
348            if(preg_match('/<(script|a|img|html|body|iframe)[\s>]/i',$bytes)){
349                return -3;
350            }
351        }
352    }
353    if(substr($mime,0,6) == 'image/'){
354        $info = @getimagesize($file);
355        if($mime == 'image/gif' && $info[2] != 1){
356            return -1;
357        }elseif($mime == 'image/jpeg' && $info[2] != 2){
358            return -1;
359        }elseif($mime == 'image/png' && $info[2] != 3){
360            return -1;
361        }
362        # fixme maybe check other images types as well
363    }elseif(substr($mime,0,5) == 'text/'){
364        global $TEXT;
365        $TEXT = io_readFile($file);
366        if(checkwordblock()){
367            return -2;
368        }
369    }
370    return 0;
371}
372
373/**
374 * Send a notify mail on uploads
375 *
376 * @author Andreas Gohr <andi@splitbrain.org>
377 */
378function media_notify($id,$file,$mime){
379    global $lang;
380    global $conf;
381    if(empty($conf['notify'])) return; //notify enabled?
382
383    $text = rawLocale('uploadmail');
384    $text = str_replace('@DATE@',strftime($conf['dformat']),$text);
385    $text = str_replace('@BROWSER@',$_SERVER['HTTP_USER_AGENT'],$text);
386    $text = str_replace('@IPADDRESS@',$_SERVER['REMOTE_ADDR'],$text);
387    $text = str_replace('@HOSTNAME@',gethostbyaddr($_SERVER['REMOTE_ADDR']),$text);
388    $text = str_replace('@DOKUWIKIURL@',DOKU_URL,$text);
389    $text = str_replace('@USER@',$_SERVER['REMOTE_USER'],$text);
390    $text = str_replace('@MIME@',$mime,$text);
391    $text = str_replace('@MEDIA@',ml($id,'',true,'&',true),$text);
392    $text = str_replace('@SIZE@',filesize_h(filesize($file)),$text);
393
394    $from = $conf['mailfrom'];
395    $from = str_replace('@USER@',$_SERVER['REMOTE_USER'],$from);
396    $from = str_replace('@NAME@',$INFO['userinfo']['name'],$from);
397    $from = str_replace('@MAIL@',$INFO['userinfo']['mail'],$from);
398
399    $subject = '['.$conf['title'].'] '.$lang['mail_upload'].' '.$id;
400
401    mail_send($conf['notify'],$subject,$text,$from);
402}
403
404/**
405 * List all files in a given Media namespace
406 */
407function media_filelist($ns,$auth=null,$jump=''){
408    global $conf;
409    global $lang;
410    $ns = cleanID($ns);
411
412    // check auth our self if not given (needed for ajax calls)
413    if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*");
414
415    echo '<h1 id="media__ns">:'.hsc($ns).'</h1>'.NL;
416
417    if($auth < AUTH_READ){
418        // FIXME: print permission warning here instead?
419        echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL;
420        return;
421    }
422
423    media_uploadform($ns, $auth);
424
425    $dir = utf8_encodeFN(str_replace(':','/',$ns));
426    $data = array();
427    search($data,$conf['mediadir'],'search_media',array('showmsg'=>true),$dir);
428
429    if(!count($data)){
430        echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL;
431        return;
432    }
433
434    foreach($data as $item){
435        media_printfile($item,$auth,$jump);
436    }
437}
438
439/**
440 * Print action links for a file depending on filetype
441 * and available permissions
442 *
443 * @todo contains inline javascript
444 */
445function media_fileactions($item,$auth){
446    global $lang;
447
448    // view button
449    $link = ml($item['id'],'',true);
450    echo ' <a href="'.$link.'" target="_blank"><img src="'.DOKU_BASE.'lib/images/magnifier.png" '.
451         'alt="'.$lang['mediaview'].'" title="'.$lang['mediaview'].'" class="btn" /></a>';
452
453
454    // no further actions if not writable
455    if(!$item['writable']) return;
456
457    // delete button
458    if($auth >= AUTH_DELETE){
459        $ask  = addslashes($lang['del_confirm']).'\\n';
460        $ask .= addslashes($item['id']);
461
462        echo ' <a href="'.DOKU_BASE.'lib/exe/mediamanager.php?delete='.rawurlencode($item['id']).
463             '&amp;sectok='.getSecurityToken().'" '.
464             'onclick="return confirm(\''.$ask.'\')">'.
465             '<img src="'.DOKU_BASE.'lib/images/trash.png" alt="'.$lang['btn_delete'].'" '.
466             'title="'.$lang['btn_delete'].'" class="btn" /></a>';
467    }
468
469    // edit button
470    if($auth >= AUTH_UPLOAD && $item['isimg'] && $item['meta']->getField('File.Mime') == 'image/jpeg'){
471        echo ' <a href="'.DOKU_BASE.'lib/exe/mediamanager.php?edit='.rawurlencode($item['id']).'">'.
472             '<img src="'.DOKU_BASE.'lib/images/pencil.png" alt="'.$lang['metaedit'].'" '.
473             'title="'.$lang['metaedit'].'" class="btn" /></a>';
474    }
475
476}
477
478/**
479 * Formats and prints one file in the list
480 */
481function media_printfile($item,$auth,$jump){
482    global $lang;
483    global $conf;
484
485    // Prepare zebra coloring
486    // I always wanted to use this variable name :-D
487    static $twibble = 1;
488    $twibble *= -1;
489    $zebra = ($twibble == -1) ? 'odd' : 'even';
490
491    // Automatically jump to recent action
492    if($jump == $item['id']) {
493        $jump = ' id="scroll__here" ';
494    }else{
495        $jump = '';
496    }
497
498    // Prepare fileicons
499    list($ext,$mime) = mimetype($item['file']);
500    $class = preg_replace('/[^_\-a-z0-9]+/i','_',$ext);
501    $class = 'select mediafile mf_'.$class;
502
503    // Prepare filename
504    $file = utf8_decodeFN($item['file']);
505
506    // Prepare info
507    $info = '';
508    if($item['isimg']){
509        $info .= (int) $item['meta']->getField('File.Width');
510        $info .= '&#215;';
511        $info .= (int) $item['meta']->getField('File.Height');
512        $info .= ' ';
513    }
514    $info .= '<i>'.strftime($conf['dformat'],$item['mtime']).'</i>';
515    $info .= ' ';
516    $info .= filesize_h($item['size']);
517
518    // ouput
519    echo '<div class="'.$zebra.'"'.$jump.'>'.NL;
520    echo '<a name="h_'.$item['id'].'" class="'.$class.'">'.$file.'</a> ';
521    echo '<span class="info">('.$info.')</span>'.NL;
522    media_fileactions($item,$auth);
523    echo '<div class="example" id="ex_'.str_replace(':','_',$item['id']).'">';
524    echo $lang['mediausage'].' <code>{{:'.$item['id'].'}}</code>';
525    echo '</div>';
526    if($item['isimg']) media_printimgdetail($item);
527    echo '<div class="clearer"></div>'.NL;
528    echo '</div>'.NL;
529}
530
531/**
532 * Prints a thumbnail and metainfos
533 */
534function media_printimgdetail($item){
535    // prepare thumbnail
536    $w = (int) $item['meta']->getField('File.Width');
537    $h = (int) $item['meta']->getField('File.Height');
538    if($w>120 || $h>120){
539        $ratio = $item['meta']->getResizeRatio(120);
540        $w = floor($w * $ratio);
541        $h = floor($h * $ratio);
542    }
543    $src = ml($item['id'],array('w'=>$w,'h'=>$h));
544    $p = array();
545    $p['width']  = $w;
546    $p['height'] = $h;
547    $p['alt']    = $item['id'];
548    $p['class']  = 'thumb';
549    $att = buildAttributes($p);
550
551    // output
552    echo '<div class="detail">';
553    echo '<div class="thumb">';
554    echo '<a name="d_'.$item['id'].'" class="select">';
555    echo '<img src="'.$src.'" '.$att.' />';
556    echo '</a>';
557    echo '</div>';
558
559    // read EXIF/IPTC data
560    $t = $item['meta']->getField(array('IPTC.Headline','xmp.dc:title'));
561    $d = $item['meta']->getField(array('IPTC.Caption','EXIF.UserComment',
562                                       'EXIF.TIFFImageDescription',
563                                       'EXIF.TIFFUserComment'));
564    if(utf8_strlen($d) > 250) $d = utf8_substr($d,0,250).'...';
565    $k = $item['meta']->getField(array('IPTC.Keywords','IPTC.Category','xmp.dc:subject'));
566
567    // print EXIF/IPTC data
568    if($t || $d || $k ){
569        echo '<p>';
570        if($t) echo '<strong>'.htmlspecialchars($t).'</strong><br />';
571        if($d) echo htmlspecialchars($d).'<br />';
572        if($t) echo '<em>'.htmlspecialchars($k).'</em>';
573        echo '</p>';
574    }
575    echo '</div>';
576}
577
578/**
579 * Print the media upload form if permissions are correct
580 *
581 * @author Andreas Gohr <andi@splitbrain.org>
582 */
583function media_uploadform($ns, $auth){
584    global $lang;
585
586    if($auth < AUTH_UPLOAD) return; //fixme print info on missing permissions?
587
588    // The default HTML upload form
589    $form = new Doku_Form('dw__upload', DOKU_BASE.'lib/exe/mediamanager.php', false, 'multipart/form-data');
590    $form->addElement('<div class="upload">' . $lang['mediaupload'] . '</div>');
591    $form->addElement(formSecurityToken());
592    $form->addHidden('ns', hsc($ns));
593    $form->addElement(form_makeOpenTag('p'));
594    $form->addElement(form_makeFileField('upload', $lang['txt_upload'].':', 'upload__file'));
595    $form->addElement(form_makeCloseTag('p'));
596    $form->addElement(form_makeOpenTag('p'));
597    $form->addElement(form_makeTextField('id', '', $lang['txt_filename'].':', 'upload__name'));
598    $form->addElement(form_makeButton('submit', '', $lang['btn_upload']));
599    $form->addElement(form_makeCloseTag('p'));
600
601    if($auth >= AUTH_DELETE){
602      $form->addElement(form_makeOpenTag('p'));
603      $form->addElement(form_makeCheckboxField('ow', 1, $lang['txt_overwrt'], 'dw__ow', 'check'));
604      $form->addElement(form_makeCloseTag('p'));
605    }
606    html_form('upload', $form);
607
608    // prepare flashvars for multiupload
609    $opt = array(
610        'L_gridname'  => $lang['mu_gridname'] ,
611        'L_gridsize'  => $lang['mu_gridsize'] ,
612        'L_gridstat'  => $lang['mu_gridstat'] ,
613        'L_namespace' => $lang['mu_namespace'] ,
614        'L_overwrite' => $lang['txt_overwrt'],
615        'L_browse'    => $lang['mu_browse'],
616        'L_upload'    => $lang['btn_upload'],
617        'L_toobig'    => $lang['mu_toobig'],
618        'L_ready'     => $lang['mu_ready'],
619        'L_done'      => $lang['mu_done'],
620        'L_fail'      => $lang['mu_fail'],
621        'L_authfail'  => $lang['mu_authfail'],
622        'L_progress'  => $lang['mu_progress'],
623        'L_filetypes' => $lang['mu_filetypes'],
624
625        'O_ns'        => ":$ns",
626        'O_backend'   => 'mediamanager.php?'.session_name().'='.session_id(),
627        'O_size'      => php_to_byte(ini_get('upload_max_filesize')),
628        'O_extensions'=> join('|',array_keys(getMimeTypes())),
629        'O_overwrite' => ($auth >= AUTH_DELETE),
630        'O_sectok'    => getSecurityToken(),
631        'O_authtok'   => auth_createToken(),
632    );
633    $var = buildURLparams($opt);
634    // output the flash uploader
635    ?>
636    <div id="dw__flashupload" style="display:none">
637    <div class="upload"><?php echo $lang['mu_intro']?></div>
638    <object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="100%" height="100%"
639        codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab">
640        <param name="movie" value="multipleUpload.swf?t=<?php echo time()?>" />
641        <param name="quality" value="high" />
642        <param name="bgcolor" value="#ffffff" />
643        <param name="FlashVars" value="<?php echo $var?>" />
644        <embed src="multipleUpload.swf?t=<?php echo time()?>" quality="high" bgcolor="#ffffff"
645            width="100%" height="100%" name="fileUpload" align="middle"
646            play="true" loop="false" quality="high" FlashVars="<?php echo $var?>"
647            allowScriptAccess="sameDomain"
648            type="application/x-shockwave-flash"
649            pluginspage="http://www.macromedia.com/go/getflashplayer">
650        </embed>
651    </object>
652    </div>
653    <?php
654}
655
656/**
657 * Build a tree outline of available media namespaces
658 *
659 * @author Andreas Gohr <andi@splitbrain.org>
660 */
661function media_nstree($ns){
662    global $conf;
663    global $lang;
664
665    // currently selected namespace
666    $ns  = cleanID($ns);
667    if(empty($ns)){
668        $ns = dirname(str_replace(':','/',$ID));
669        if($ns == '.') $ns ='';
670    }
671    $ns  = utf8_encodeFN(str_replace(':','/',$ns));
672
673    $data = array();
674    search($data,$conf['mediadir'],'search_index',array('ns' => $ns, 'nofiles' => true));
675
676    // wrap a list with the root level around the other namespaces
677    $item = array( 'level' => 0, 'id' => '',
678                   'open' =>'true', 'label' => '['.$lang['mediaroot'].']');
679
680    echo '<ul class="idx">';
681    echo media_nstree_li($item);
682    echo media_nstree_item($item);
683    echo html_buildlist($data,'idx','media_nstree_item','media_nstree_li');
684    echo '</li>';
685    echo '</ul>';
686}
687
688/**
689 * Userfunction for html_buildlist
690 *
691 * Prints a media namespace tree item
692 *
693 * @author Andreas Gohr <andi@splitbrain.org>
694 */
695function media_nstree_item($item){
696    $pos   = strrpos($item['id'], ':');
697    $label = substr($item['id'], $pos > 0 ? $pos + 1 : 0);
698    if(!$item['label']) $item['label'] = $label;
699
700    $ret  = '';
701    $ret .= '<a href="'.DOKU_BASE.'lib/exe/mediamanager.php?ns='.idfilter($item['id']).'" class="idx_dir">';
702    $ret .= $item['label'];
703    $ret .= '</a>';
704    return $ret;
705}
706
707/**
708 * Userfunction for html_buildlist
709 *
710 * Prints a media namespace tree item opener
711 *
712 * @author Andreas Gohr <andi@splitbrain.org>
713 */
714function media_nstree_li($item){
715    $class='media level'.$item['level'];
716    if($item['open']){
717        $class .= ' open';
718        $img   = DOKU_BASE.'lib/images/minus.gif';
719        $alt   = '&minus;';
720    }else{
721        $class .= ' closed';
722        $img   = DOKU_BASE.'lib/images/plus.gif';
723        $alt   = '+';
724    }
725    return '<li class="'.$class.'">'.
726           '<img src="'.$img.'" alt="'.$alt.'" />';
727}
728