source: trunk/picture.php @ 9055

Revision 9055, 27.0 KB checked in by plg, 9 years ago (diff)

merge r9054 from branch 2.1 to trunk

bug 2175 fixed: do not use the HTML prefetch feature with Google Chrome because
it was sometimes making the photos impossible to show.

  • Property svn:eol-style set to LF
Line 
1<?php
2// +-----------------------------------------------------------------------+
3// | Piwigo - a PHP based photo gallery                                    |
4// +-----------------------------------------------------------------------+
5// | Copyright(C) 2008-2011 Piwigo Team                  http://piwigo.org |
6// | Copyright(C) 2003-2008 PhpWebGallery Team    http://phpwebgallery.net |
7// | Copyright(C) 2002-2003 Pierrick LE GALL   http://le-gall.net/pierrick |
8// +-----------------------------------------------------------------------+
9// | This program is free software; you can redistribute it and/or modify  |
10// | it under the terms of the GNU General Public License as published by  |
11// | the Free Software Foundation                                          |
12// |                                                                       |
13// | This program is distributed in the hope that it will be useful, but   |
14// | WITHOUT ANY WARRANTY; without even the implied warranty of            |
15// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      |
16// | General Public License for more details.                              |
17// |                                                                       |
18// | You should have received a copy of the GNU General Public License     |
19// | along with this program; if not, write to the Free Software           |
20// | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, |
21// | USA.                                                                  |
22// +-----------------------------------------------------------------------+
23
24define('PHPWG_ROOT_PATH','./');
25include_once(PHPWG_ROOT_PATH.'include/common.inc.php');
26include(PHPWG_ROOT_PATH.'include/section_init.inc.php');
27include_once(PHPWG_ROOT_PATH.'include/functions_picture.inc.php');
28
29// Check Access and exit when user status is not ok
30check_status(ACCESS_GUEST);
31
32// access authorization check
33if (isset($page['category']))
34{
35  check_restrictions($page['category']['id']);
36}
37
38$page['rank_of'] = array_flip($page['items']);
39
40// if this image_id doesn't correspond to this category, an error message is
41// displayed, and execution is stopped
42if ( !isset($page['rank_of'][$page['image_id']]) )
43{
44  $query = '
45SELECT id, file, level
46  FROM '.IMAGES_TABLE.'
47  WHERE ';
48  if ($page['image_id']>0)
49  {
50    $query .= 'id = '.$page['image_id'];
51  }
52  else
53  {// url given by file name
54    assert( !empty($page['image_file']) );
55    $query .= 'file LIKE \'' .
56      str_replace(array('_','%'), array('/_','/%'), $page['image_file'] ).
57      '.%\' ESCAPE \'/\' LIMIT 1';
58  }
59  if ( ! ( $row = pwg_db_fetch_assoc(pwg_query($query)) ) )
60  {// element does not exist
61    page_not_found( 'The requested image does not exist',
62      duplicate_index_url()
63      );
64  }
65  if ($row['level']>$user['level'])
66  {
67    access_denied();
68  }
69
70  $page['image_id'] = $row['id'];
71  $page['image_file'] =  $row['file'];
72  if ( !isset($page['rank_of'][$page['image_id']]) )
73  {// the image can still be non accessible (filter/cat perm) and/or not in the set
74    global $filter;
75    if ( !empty($filter['visible_images']) and
76      !in_array($page['image_id'], explode(',',$filter['visible_images']) ) )
77    {
78      page_not_found( 'The requested image is filtered',
79          duplicate_index_url()
80        );
81    }
82    if ('categories'==$page['section'] and !isset($page['category']) )
83    {// flat view - all items
84      access_denied();
85    }
86    else
87    {// try to see if we can access it differently
88      $query = '
89SELECT id
90  FROM '.IMAGES_TABLE.' INNER JOIN '.IMAGE_CATEGORY_TABLE.' ON id=image_id
91  WHERE id='.$page['image_id']
92        . get_sql_condition_FandF(
93            array('forbidden_categories' => 'category_id'),
94            " AND"
95          ).'
96  LIMIT 1';
97      if ( pwg_db_num_rows( pwg_query($query) ) == 0 )
98      {
99        access_denied();
100      }
101      else
102      {
103        if ('best_rated'==$page['section'])
104        {
105          $page['rank_of'][$page['image_id']] = count($page['items']);
106          array_push($page['items'], $page['image_id'] );
107        }
108        else
109        {
110          $url = make_picture_url(
111              array(
112                'image_id' => $page['image_id'],
113                'image_file' => $page['image_file'],
114                'section' => 'categories',
115                'flat' => true,
116              )
117            );
118          set_status_header( 'recent_pics'==$page['section'] ? 301 : 302);
119          redirect_http( $url );
120        }
121      }
122    }
123  }
124}
125
126// There is cookie, so we must handle it at the beginning
127if ( isset($_GET['metadata']) )
128{
129  if ( pwg_get_session_var('show_metadata') == null )
130        {
131                pwg_set_session_var('show_metadata', 1 );
132        } else {
133        pwg_unset_session_var('show_metadata');
134        }
135}
136
137// add default event handler for rendering element content
138add_event_handler(
139  'render_element_content',
140  'default_picture_content',
141  EVENT_HANDLER_PRIORITY_NEUTRAL,
142  2
143  );
144// add default event handler for rendering element description
145add_event_handler('render_element_description', 'nl2br');
146
147trigger_action('loc_begin_picture');
148
149// this is the default handler that generates the display for the element
150function default_picture_content($content, $element_info)
151{
152  if ( !empty($content) )
153  {// someone hooked us - so we skip;
154    return $content;
155  }
156  if (!isset($element_info['image_url']))
157  { // nothing to do
158    return $content;
159  }
160
161  global $user, $page, $template;
162
163  $template->set_filenames(
164    array('default_content'=>'picture_content.tpl')
165    );
166
167  if ( !$page['slideshow'] and isset($element_info['high_url']) )
168  {
169    $uuid = uniqid(rand());
170    $template->assign(
171      'high',
172      array(
173        'U_HIGH' => $element_info['high_url'],
174        'UUID'   => $uuid,
175        )
176      );
177  }
178  $template->assign( array(
179      'SRC_IMG' => $element_info['image_url'],
180      'ALT_IMG' => $element_info['file'],
181      'WIDTH_IMG' => @$element_info['scaled_width'],
182      'HEIGHT_IMG' => @$element_info['scaled_height'],
183      )
184    );
185  return $template->parse( 'default_content', true);
186}
187
188// +-----------------------------------------------------------------------+
189// |                            initialization                             |
190// +-----------------------------------------------------------------------+
191
192// caching first_rank, last_rank, current_rank in the displayed
193// section. This should also help in readability.
194$page['first_rank']   = 0;
195$page['last_rank']    = count($page['items']) - 1;
196$page['current_rank'] = $page['rank_of'][ $page['image_id'] ];
197
198// caching current item : readability purpose
199$page['current_item'] = $page['image_id'];
200
201if ($page['current_rank'] != $page['first_rank'])
202{
203  // caching first & previous item : readability purpose
204  $page['previous_item'] = $page['items'][ $page['current_rank'] - 1 ];
205  $page['first_item'] = $page['items'][ $page['first_rank'] ];
206}
207
208if ($page['current_rank'] != $page['last_rank'])
209{
210  // caching next & last item : readability purpose
211  $page['next_item'] = $page['items'][ $page['current_rank'] + 1 ];
212  $page['last_item'] = $page['items'][ $page['last_rank'] ];
213}
214
215$url_up = duplicate_index_url(
216  array(
217    'start' =>
218      floor($page['current_rank'] / $page['nb_image_page'])
219      * $page['nb_image_page']
220    ),
221  array(
222    'start',
223    )
224  );
225
226$url_self = duplicate_picture_url();
227
228// +-----------------------------------------------------------------------+
229// |                                actions                                |
230// +-----------------------------------------------------------------------+
231
232/**
233 * Actions are favorite adding, user comment deletion, setting the picture
234 * as representative of the current category...
235 *
236 * Actions finish by a redirection
237 */
238
239if (isset($_GET['action']))
240{
241  switch ($_GET['action'])
242  {
243    case 'add_to_favorites' :
244    {
245      $query = '
246INSERT INTO '.FAVORITES_TABLE.'
247  (image_id,user_id)
248  VALUES
249  ('.$page['image_id'].','.$user['id'].')
250;';
251      pwg_query($query);
252
253      redirect($url_self);
254
255      break;
256    }
257    case 'remove_from_favorites' :
258    {
259      $query = '
260DELETE FROM '.FAVORITES_TABLE.'
261  WHERE user_id = '.$user['id'].'
262    AND image_id = '.$page['image_id'].'
263;';
264      pwg_query($query);
265
266      if ('favorites' == $page['section'])
267      {
268        redirect($url_up);
269      }
270      else
271      {
272        redirect($url_self);
273      }
274
275      break;
276    }
277    case 'set_as_representative' :
278    {
279      if (is_admin() and isset($page['category']))
280      {
281        $query = '
282UPDATE '.CATEGORIES_TABLE.'
283  SET representative_picture_id = '.$page['image_id'].'
284  WHERE id = '.$page['category']['id'].'
285;';
286        pwg_query($query);
287
288        $query = '
289UPDATE '.USER_CACHE_CATEGORIES_TABLE.'
290  SET user_representative_picture_id = NULL
291  WHERE user_id = '.$user['id'].'
292    AND cat_id = '.$page['category']['id'].'
293;';
294        pwg_query($query);
295      }
296
297      redirect($url_self);
298
299      break;
300    }
301    case 'toggle_metadata' :
302    {
303      break;
304    }
305    case 'add_to_caddie' :
306    {
307      fill_caddie(array($page['image_id']));
308      redirect($url_self);
309      break;
310    }
311    case 'rate' :
312    {
313      include_once(PHPWG_ROOT_PATH.'include/functions_rate.inc.php');
314      rate_picture(
315        $page['image_id'],
316        isset($_POST['rate']) ? $_POST['rate'] : $_GET['rate']
317        );
318      redirect($url_self);
319    }
320    case 'edit_comment' :
321    {
322      check_pwg_token();
323
324      include_once(PHPWG_ROOT_PATH.'include/functions_comment.inc.php');
325
326      check_input_parameter('comment_to_edit', $_GET, false, PATTERN_ID);
327
328      $author_id = get_comment_author_id($_GET['comment_to_edit']);
329
330      if (can_manage_comment('edit', $author_id))
331      {
332        if (!empty($_POST['content']))
333        {
334          update_user_comment(
335            array(
336              'comment_id' => $_GET['comment_to_edit'],
337              'image_id' => $page['image_id'],
338              'content' => $_POST['content']
339              ),
340            $_POST['key']
341            );
342
343          redirect($url_self);
344        }
345        else
346        {
347          $edit_comment = $_GET['comment_to_edit'];
348          break;
349        }
350      }
351    }
352    case 'delete_comment' :
353    {
354      check_pwg_token();
355
356      include_once(PHPWG_ROOT_PATH.'include/functions_comment.inc.php');
357
358      check_input_parameter('comment_to_delete', $_GET, false, PATTERN_ID);
359
360      $author_id = get_comment_author_id($_GET['comment_to_delete']);
361
362      if (can_manage_comment('delete', $author_id))
363      {
364        delete_user_comment($_GET['comment_to_delete']);
365      }
366
367      redirect($url_self);
368    }
369    case 'validate_comment' :
370    {
371      check_pwg_token();
372
373      include_once(PHPWG_ROOT_PATH.'include/functions_comment.inc.php');
374
375      check_input_parameter('comment_to_validate', $_GET, false, PATTERN_ID);
376
377      $author_id = get_comment_author_id($_GET['comment_to_validate']);
378
379      if (can_manage_comment('validate', $author_id))
380      {
381        validate_user_comment($_GET['comment_to_validate']);
382      }
383
384      redirect($url_self);
385    }
386
387  }
388}
389
390// incrementation of the number of hits, we do this only if no action
391if (trigger_event('allow_increment_element_hit_count', !isset($_POST['content']) ) )
392{
393  $query = '
394UPDATE
395  '.IMAGES_TABLE.'
396  SET hit = hit+1
397  WHERE id = '.$page['image_id'].'
398;';
399  pwg_query($query);
400}
401//---------------------------------------------------------- related categories
402$query = '
403SELECT category_id,uppercats,commentable,global_rank
404  FROM '.IMAGE_CATEGORY_TABLE.'
405    INNER JOIN '.CATEGORIES_TABLE.' ON category_id = id
406  WHERE image_id = '.$page['image_id'].'
407'.get_sql_condition_FandF
408  (
409    array
410      (
411        'forbidden_categories' => 'category_id',
412        'visible_categories' => 'category_id'
413      ),
414    'AND'
415  ).'
416;';
417$result = pwg_query($query);
418$related_categories = array();
419while ($row = pwg_db_fetch_assoc($result))
420{
421  $row['commentable'] = boolean_to_string($row['commentable']);
422  array_push($related_categories, $row);
423}
424usort($related_categories, 'global_rank_compare');
425//-------------------------first, prev, current, next & last picture management
426$picture = array();
427
428$ids = array($page['image_id']);
429if (isset($page['previous_item']))
430{
431  array_push($ids, $page['previous_item']);
432  array_push($ids, $page['first_item']);
433}
434if (isset($page['next_item']))
435{
436  array_push($ids, $page['next_item']);
437  array_push($ids, $page['last_item']);
438}
439
440$query = '
441SELECT *
442  FROM '.IMAGES_TABLE.'
443  WHERE id IN ('.implode(',', $ids).')
444;';
445
446$result = pwg_query($query);
447
448while ($row = pwg_db_fetch_assoc($result))
449{
450  if (isset($page['previous_item']) and $row['id'] == $page['previous_item'])
451  {
452    $i = 'previous';
453  }
454  else if (isset($page['next_item']) and $row['id'] == $page['next_item'])
455  {
456    $i = 'next';
457  }
458  else if (isset($page['first_item']) and $row['id'] == $page['first_item'])
459  {
460    $i = 'first';
461  }
462  else if (isset($page['last_item']) and $row['id'] == $page['last_item'])
463  {
464    $i = 'last';
465  }
466  else
467  {
468    $i = 'current';
469  }
470
471  $picture[$i] = $row;
472
473  $picture[$i]['is_picture'] = false;
474  if (in_array(get_extension($row['file']), $conf['picture_ext']))
475  {
476    $picture[$i]['is_picture'] = true;
477  }
478
479  // ------ build element_path and element_url
480  $picture[$i]['element_path'] = get_element_path($picture[$i]);
481  $picture[$i]['element_url'] = get_element_url($picture[$i]);
482
483  // ------ build image_path and image_url
484  if ($i=='current' or $i=='next')
485  {
486    $picture[$i]['image_path'] = get_image_path( $picture[$i] );
487    $picture[$i]['image_url'] = get_image_url( $picture[$i] );
488  }
489
490  if ($i=='current')
491  {
492    if ( $picture[$i]['is_picture'] )
493    {
494      if ( $user['enabled_high']=='true' )
495      {
496        $hi_url=get_high_url($picture[$i]);
497        if ( !empty($hi_url) )
498        {
499          $picture[$i]['high_url'] = $hi_url;
500          $picture[$i]['download_url'] = get_download_url('h',$picture[$i]);
501        }
502      }
503    }
504    else
505    { // not a pic - need download link
506      $picture[$i]['download_url'] = get_download_url('e',$picture[$i]);
507    }
508  }
509
510  $picture[$i]['thumbnail'] = get_thumbnail_url($row);
511
512  if ( !empty( $row['name'] ) )
513  {
514    $picture[$i]['name'] = $row['name'];
515  }
516  else
517  {
518    $file_wo_ext = get_filename_wo_extension($row['file']);
519    $picture[$i]['name'] = str_replace('_', ' ', $file_wo_ext);
520  }
521
522  $picture[$i]['name'] = trigger_event('render_element_description', $picture[$i]['name']);
523
524  $picture[$i]['url'] = duplicate_picture_url(
525    array(
526      'image_id' => $row['id'],
527      'image_file' => $row['file'],
528      ),
529    array(
530      'start',
531      )
532    );
533
534  if ('previous'==$i and $page['previous_item']==$page['first_item'])
535  {
536    $picture['first'] = $picture[$i];
537  }
538  if ('next'==$i and $page['next_item']==$page['last_item'])
539  {
540    $picture['last'] = $picture[$i];
541  }
542}
543
544// calculation of width and height for the current picture
545if (empty($picture['current']['width']))
546{
547  $taille_image = @getimagesize($picture['current']['image_path']);
548  if ($taille_image!==false)
549  {
550    $picture['current']['width'] = $taille_image[0];
551    $picture['current']['height']= $taille_image[1];
552  }
553}
554
555if (!empty($picture['current']['width']))
556{
557  list(
558    $picture['current']['scaled_width'],
559    $picture['current']['scaled_height']
560    ) = get_picture_size(
561      $picture['current']['width'],
562      $picture['current']['height'],
563      @$user['maxwidth'],
564      @$user['maxheight']
565    );
566}
567
568$slideshow_params = array();
569$slideshow_url_params = array();
570
571if (isset($_GET['slideshow']))
572{
573  $page['slideshow'] = true;
574  $page['meta_robots'] = array('noindex'=>1, 'nofollow'=>1);
575
576  $slideshow_params = decode_slideshow_params($_GET['slideshow']);
577  $slideshow_url_params['slideshow'] = encode_slideshow_params($slideshow_params);
578
579  if ($slideshow_params['play'])
580  {
581    $id_pict_redirect = '';
582    if (isset($page['next_item']))
583    {
584      $id_pict_redirect = 'next';
585    }
586    else
587    {
588      if ($slideshow_params['repeat'] and isset($page['first_item']))
589      {
590        $id_pict_redirect = 'first';
591      }
592    }
593
594    if (!empty($id_pict_redirect))
595    {
596      // $refresh, $url_link and $title are required for creating
597      // an automated refresh page in header.tpl
598      $refresh = $slideshow_params['period'];
599      $url_link = add_url_params(
600          $picture[$id_pict_redirect]['url'],
601          $slideshow_url_params
602        );
603    }
604  }
605}
606else
607{
608  $page['slideshow'] = false;
609}
610if ($page['slideshow'] and $conf['light_slideshow'])
611{
612  $template->set_filenames( array('slideshow' => 'slideshow.tpl'));
613}
614else
615{
616  $template->set_filenames( array('picture' => 'picture.tpl'));
617}
618
619$title =  $picture['current']['name'];
620$title_nb = ($page['current_rank'] + 1).'/'.count($page['items']);
621
622// metadata
623$url_metadata = duplicate_picture_url();
624$url_metadata = add_url_params( $url_metadata, array('metadata'=>null) );
625
626
627// do we have a plugin that can show metadata for something else than images?
628$metadata_showable = trigger_event(
629  'get_element_metadata_available',
630  (
631    ($conf['show_exif'] or $conf['show_iptc'])
632    and isset($picture['current']['image_path'])
633    ),
634  $picture['current']['path']
635  );
636
637if ( $metadata_showable and pwg_get_session_var('show_metadata') )
638{
639  $page['meta_robots']=array('noindex'=>1, 'nofollow'=>1);
640}
641
642
643$page['body_id'] = 'thePicturePage';
644
645// allow plugins to change what we computed before passing data to template
646$picture = trigger_event('picture_pictures_data', $picture);
647
648
649if (isset($picture['next']['image_url'])
650    and $picture['next']['is_picture']
651    and strpos($_SERVER['HTTP_USER_AGENT'], 'Chrome/') === false)
652{
653  $template->assign('U_PREFETCH', $picture['next']['image_url'] );
654}
655
656//------------------------------------------------------- navigation management
657foreach (array('first','previous','next','last', 'current') as $which_image)
658{
659  if (isset($picture[$which_image]))
660  {
661    $template->assign(
662      $which_image,
663      array_merge(
664        $picture[$which_image],
665        array(
666          'TITLE' => $picture[$which_image]['name'],
667          'THUMB_SRC' => $picture[$which_image]['thumbnail'],
668          // Params slideshow was transmit to navigation buttons
669          'U_IMG' =>
670            add_url_params(
671              $picture[$which_image]['url'], $slideshow_url_params),
672          )
673        )
674      );
675    if ($conf['picture_download_icon'] and !empty($picture['current']['download_url']))
676    {
677      $template->append($which_image, array('U_DOWNLOAD' => $picture['current']['download_url']), true);
678    }
679  }
680}
681
682
683if ($page['slideshow'])
684{
685  $tpl_slideshow = array();
686
687  //slideshow end
688  $template->assign(
689    array(
690      'U_SLIDESHOW_STOP' => $picture['current']['url'],
691      )
692    );
693
694  foreach (array('repeat', 'play') as $p)
695  {
696    $var_name =
697      'U_'
698      .($slideshow_params[$p] ? 'STOP_' : 'START_')
699      .strtoupper($p);
700
701    $tpl_slideshow[$var_name] =
702          add_url_params(
703            $picture['current']['url'],
704            array('slideshow' =>
705              encode_slideshow_params(
706                array_merge($slideshow_params,
707                  array($p => ! $slideshow_params[$p]))
708                )
709              )
710          );
711  }
712
713  foreach (array('dec', 'inc') as $op)
714  {
715    $new_period = $slideshow_params['period'] + ((($op == 'dec') ? -1 : 1) * $conf['slideshow_period_step']);
716    $new_slideshow_params =
717      correct_slideshow_params(
718        array_merge($slideshow_params,
719                  array('period' => $new_period)));
720
721    if ($new_slideshow_params['period'] === $new_period)
722    {
723      $var_name = 'U_'.strtoupper($op).'_PERIOD';
724      $tpl_slideshow[$var_name] =
725            add_url_params(
726              $picture['current']['url'],
727              array('slideshow' => encode_slideshow_params($new_slideshow_params)
728                  )
729          );
730    }
731  }
732  $template->assign('slideshow', $tpl_slideshow );
733}
734elseif ($conf['picture_slideshow_icon'])
735{
736  $template->assign(
737    array(
738      'U_SLIDESHOW_START' =>
739        add_url_params(
740          $picture['current']['url'],
741          array( 'slideshow'=>''))
742      )
743    );
744}
745
746$template->assign(
747  array(
748    'SECTION_TITLE' => $page['title'],
749    'PHOTO' => $title_nb,
750    'SHOW_PICTURE_NAME_ON_TITLE' => $conf['show_picture_name_on_title'],
751    'IS_HOME' => ('categories'==$page['section'] and !isset($page['category']) ),
752
753    'LEVEL_SEPARATOR' => $conf['level_separator'],
754
755    'U_UP' => $url_up,
756    'DISPLAY_NAV_BUTTONS' => $conf['picture_navigation_icons'],
757    'DISPLAY_NAV_THUMB' => $conf['picture_navigation_thumb']
758    )
759  );
760
761if ($conf['picture_metadata_icon'])
762{
763  $template->assign('U_METADATA', $url_metadata);
764}
765
766
767//------------------------------------------------------- upper menu management
768
769// admin links
770if (is_admin())
771{
772  if (isset($page['category']))
773  {
774    $template->assign(
775      array(
776        'U_SET_AS_REPRESENTATIVE' => add_url_params($url_self,
777                    array('action'=>'set_as_representative')
778                 )
779        )
780      );
781  }
782
783  $url_admin =
784    get_root_url().'admin.php?page=picture_modify'
785    .'&amp;cat_id='.(isset($page['category']) ? $page['category']['id'] : '')
786    .'&amp;image_id='.$page['image_id'];
787
788  $template->assign(
789    array(
790      'U_CADDIE' => add_url_params($url_self,
791                  array('action'=>'add_to_caddie')
792               ),
793      'U_ADMIN' => $url_admin,
794      )
795    );
796
797  $template->assign('available_permission_levels', get_privacy_level_options());
798}
799
800// favorite manipulation
801if (!is_a_guest() and $conf['picture_favorite_icon'])
802{
803  // verify if the picture is already in the favorite of the user
804  $query = '
805SELECT COUNT(*) AS nb_fav
806  FROM '.FAVORITES_TABLE.'
807  WHERE image_id = '.$page['image_id'].'
808    AND user_id = '.$user['id'].'
809;';
810  $row = pwg_db_fetch_assoc( pwg_query($query) );
811        $is_favorite = $row['nb_fav'] != 0;
812
813  $template->assign(
814    'favorite',
815    array(
816                        'IS_FAVORITE' => $is_favorite,
817      'U_FAVORITE'    => add_url_params(
818        $url_self,
819        array('action'=> !$is_favorite ? 'add_to_favorites' : 'remove_from_favorites' )
820        ),
821      )
822    );
823}
824
825//--------------------------------------------------------- picture information
826// legend
827if (isset($picture['current']['comment'])
828    and !empty($picture['current']['comment']))
829{
830  $template->assign(
831      'COMMENT_IMG',
832        trigger_event('render_element_description',
833          $picture['current']['comment'])
834      );
835}
836
837$infos = array();
838
839// author
840if (!empty($picture['current']['author']))
841{
842  $infos['INFO_AUTHOR'] =
843// FIXME because of search engine partial rewrite, giving the author
844// name threw GET is not supported anymore. This feature should come
845// back later, with a better design
846//     '<a href="'.
847//       PHPWG_ROOT_PATH.'category.php?cat=search'.
848//       '&amp;search=author:'.$picture['current']['author']
849//       .'">'.$picture['current']['author'].'</a>';
850    $picture['current']['author'];
851}
852
853// creation date
854if (!empty($picture['current']['date_creation']))
855{
856  $val = format_date($picture['current']['date_creation']);
857  $url = make_index_url(
858    array(
859      'chronology_field'=>'created',
860      'chronology_style'=>'monthly',
861      'chronology_view'=>'list',
862      'chronology_date' => explode('-', $picture['current']['date_creation'])
863      )
864    );
865  $infos['INFO_CREATION_DATE'] =
866    '<a href="'.$url.'" rel="nofollow">'.$val.'</a>';
867}
868
869// date of availability
870$val = format_date($picture['current']['date_available']);
871$url = make_index_url(
872  array(
873    'chronology_field'=>'posted',
874    'chronology_style'=>'monthly',
875    'chronology_view'=>'list',
876    'chronology_date' => explode(
877      '-',
878      substr($picture['current']['date_available'], 0, 10)
879      )
880    )
881  );
882$infos['INFO_POSTED_DATE'] = '<a href="'.$url.'" rel="nofollow">'.$val.'</a>';
883
884// size in pixels
885if ($picture['current']['is_picture'] and isset($picture['current']['width']) )
886{
887  if ($picture['current']['scaled_width'] !== $picture['current']['width'] )
888  {
889    $infos['INFO_DIMENSIONS'] =
890      '<a href="'.$picture['current']['image_url'].'" title="'.
891      l10n('Original dimensions').'">'.
892      $picture['current']['width'].'*'.$picture['current']['height'].'</a>';
893  }
894  else
895  {
896    $infos['INFO_DIMENSIONS'] =
897      $picture['current']['width'].'*'.$picture['current']['height'];
898  }
899}
900
901// filesize
902if (!empty($picture['current']['filesize']))
903{
904  $infos['INFO_FILESIZE'] =
905    sprintf(l10n('%d Kb'), $picture['current']['filesize']);
906}
907
908// number of visits
909$infos['INFO_VISITS'] = $picture['current']['hit'];
910
911// file
912$infos['INFO_FILE'] = $picture['current']['file'];
913
914$template->assign($infos);
915$template->assign('display_info', unserialize($conf['picture_informations']));
916
917// related tags
918$tags = get_common_tags( array($page['image_id']), -1);
919if ( count($tags) )
920{
921  foreach ($tags as $tag)
922  {
923    $template->append(
924        'related_tags',
925        array_merge( $tag,
926          array(
927            'URL' => make_index_url(
928                      array(
929                        'tags' => array($tag)
930                        )
931                      ),
932            'U_TAG_IMAGE' => duplicate_picture_url(
933                      array(
934                        'section' => 'tags',
935                        'tags' => array($tag)
936                        )
937                    )
938          )
939        )
940      );
941  }
942}
943
944// related categories
945if ( count($related_categories)==1 and
946    isset($page['category']) and
947    $related_categories[0]['category_id']==$page['category']['id'] )
948{ // no need to go to db, we have all the info
949  $template->append(
950      'related_categories',
951      get_cat_display_name( $page['category']['upper_names'] )
952    );
953}
954else
955{ // use only 1 sql query to get names for all related categories
956  $ids = array();
957  foreach ($related_categories as $category)
958  {// add all uppercats to $ids
959    $ids = array_merge($ids, explode(',', $category['uppercats']) );
960  }
961  $ids = array_unique($ids);
962  $query = '
963SELECT id, name, permalink
964  FROM '.CATEGORIES_TABLE.'
965  WHERE id IN ('.implode(',',$ids).')';
966  $cat_map = hash_from_query($query, 'id');
967  foreach ($related_categories as $category)
968  {
969    $cats = array();
970    foreach ( explode(',', $category['uppercats']) as $id )
971    {
972      $cats[] = $cat_map[$id];
973    }
974    $template->append('related_categories', get_cat_display_name($cats) );
975  }
976}
977
978// maybe someone wants a special display (call it before page_header so that
979// they can add stylesheets)
980$element_content = trigger_event(
981  'render_element_content',
982  '',
983  $picture['current']
984  );
985$template->assign( 'ELEMENT_CONTENT', $element_content );
986
987// +-----------------------------------------------------------------------+
988// |                               sub pages                               |
989// +-----------------------------------------------------------------------+
990
991include(PHPWG_ROOT_PATH.'include/picture_rate.inc.php');
992include(PHPWG_ROOT_PATH.'include/picture_comment.inc.php');
993if ($metadata_showable and pwg_get_session_var('show_metadata') <> null )
994{
995  include(PHPWG_ROOT_PATH.'include/picture_metadata.inc.php');
996}
997
998include(PHPWG_ROOT_PATH.'include/page_header.php');
999trigger_action('loc_end_picture');
1000if ($page['slideshow'] and $conf['light_slideshow'])
1001{
1002  $template->pparse('slideshow');
1003}
1004else
1005{
1006  $template->pparse('picture');
1007}
1008//------------------------------------------------------------ log informations
1009pwg_log($picture['current']['id'], 'picture');
1010include(PHPWG_ROOT_PATH.'include/page_tail.php');
1011?>
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