source: branches/2.1/picture.php @ 9054

Last change on this file since 9054 was 9054, checked in by plg, 13 years ago

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
File size: 27.0 KB
Line 
1<?php
2// +-----------------------------------------------------------------------+
3// | Piwigo - a PHP based picture gallery                                  |
4// +-----------------------------------------------------------------------+
5// | Copyright(C) 2008-2010 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'] / $user['nb_image_page'])
219      * $user['nb_image_page']
220    ),
221  array(
222    'start',
223    )
224  );
225
226$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($url_self);
273      }
274
275      break;
276    }
277    case 'set_as_representative' :
278    {
279      if (is_admin() and !is_adviser() and isset($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
289      redirect($url_self);
290
291      break;
292    }
293    case 'toggle_metadata' :
294    {
295      break;
296    }
297    case 'add_to_caddie' :
298    {
299      fill_caddie(array($page['image_id']));
300      redirect($url_self);
301      break;
302    }
303    case 'rate' :
304    {
305      include_once(PHPWG_ROOT_PATH.'include/functions_rate.inc.php');
306      rate_picture(
307        $page['image_id'],
308        isset($_POST['rate']) ? $_POST['rate'] : $_GET['rate']
309        );
310      redirect($url_self);
311    }
312    case 'edit_comment' :
313    {
314      check_pwg_token();
315
316      include_once(PHPWG_ROOT_PATH.'include/functions_comment.inc.php');
317
318      check_input_parameter('comment_to_edit', $_GET, false, PATTERN_ID);
319
320      $author_id = get_comment_author_id($_GET['comment_to_edit']);
321
322      if (can_manage_comment('edit', $author_id))
323      {
324        if (!empty($_POST['content']))
325        {
326          update_user_comment(
327            array(
328              'comment_id' => $_GET['comment_to_edit'],
329              'image_id' => $page['image_id'],
330              'content' => $_POST['content']
331              ),
332            $_POST['key']
333            );
334
335          redirect($url_self);
336        }
337        else
338        {
339          $edit_comment = $_GET['comment_to_edit'];
340          break;
341        }
342      }
343    }
344    case 'delete_comment' :
345    {
346      check_pwg_token();
347
348      include_once(PHPWG_ROOT_PATH.'include/functions_comment.inc.php');
349
350      check_input_parameter('comment_to_delete', $_GET, false, PATTERN_ID);
351
352      $author_id = get_comment_author_id($_GET['comment_to_delete']);
353
354      if (can_manage_comment('delete', $author_id))
355      {
356        delete_user_comment($_GET['comment_to_delete']);
357      }
358
359      redirect($url_self);
360    }
361    case 'validate_comment' :
362    {
363      check_pwg_token();
364
365      include_once(PHPWG_ROOT_PATH.'include/functions_comment.inc.php');
366
367      check_input_parameter('comment_to_validate', $_GET, false, PATTERN_ID);
368
369      $author_id = get_comment_author_id($_GET['comment_to_validate']);
370
371      if (can_manage_comment('validate', $author_id))
372      {
373        validate_user_comment($_GET['comment_to_validate']);
374      }
375
376      redirect($url_self);
377    }
378
379  }
380}
381
382// incrementation of the number of hits, we do this only if no action
383if (trigger_event('allow_increment_element_hit_count', !isset($_POST['content']) ) )
384{
385  $query = '
386UPDATE
387  '.IMAGES_TABLE.'
388  SET hit = hit+1
389  WHERE id = '.$page['image_id'].'
390;';
391  pwg_query($query);
392}
393//---------------------------------------------------------- related categories
394$query = '
395SELECT category_id,uppercats,commentable,global_rank
396  FROM '.IMAGE_CATEGORY_TABLE.'
397    INNER JOIN '.CATEGORIES_TABLE.' ON category_id = id
398  WHERE image_id = '.$page['image_id'].'
399'.get_sql_condition_FandF
400  (
401    array
402      (
403        'forbidden_categories' => 'category_id',
404        'visible_categories' => 'category_id'
405      ),
406    'AND'
407  ).'
408;';
409$result = pwg_query($query);
410$related_categories = array();
411while ($row = pwg_db_fetch_assoc($result))
412{
413  $row['commentable'] = boolean_to_string($row['commentable']);
414  array_push($related_categories, $row);
415}
416usort($related_categories, 'global_rank_compare');
417//-------------------------first, prev, current, next & last picture management
418$picture = array();
419
420$ids = array($page['image_id']);
421if (isset($page['previous_item']))
422{
423  array_push($ids, $page['previous_item']);
424  array_push($ids, $page['first_item']);
425}
426if (isset($page['next_item']))
427{
428  array_push($ids, $page['next_item']);
429  array_push($ids, $page['last_item']);
430}
431
432$query = '
433SELECT *
434  FROM '.IMAGES_TABLE.'
435  WHERE id IN ('.implode(',', $ids).')
436;';
437
438$result = pwg_query($query);
439
440while ($row = pwg_db_fetch_assoc($result))
441{
442  if (isset($page['previous_item']) and $row['id'] == $page['previous_item'])
443  {
444    $i = 'previous';
445  }
446  else if (isset($page['next_item']) and $row['id'] == $page['next_item'])
447  {
448    $i = 'next';
449  }
450  else if (isset($page['first_item']) and $row['id'] == $page['first_item'])
451  {
452    $i = 'first';
453  }
454  else if (isset($page['last_item']) and $row['id'] == $page['last_item'])
455  {
456    $i = 'last';
457  }
458  else
459  {
460    $i = 'current';
461  }
462
463  $picture[$i] = $row;
464
465  $picture[$i]['is_picture'] = false;
466  if (in_array(get_extension($row['file']), $conf['picture_ext']))
467  {
468    $picture[$i]['is_picture'] = true;
469  }
470
471  // ------ build element_path and element_url
472  $picture[$i]['element_path'] = get_element_path($picture[$i]);
473  $picture[$i]['element_url'] = get_element_url($picture[$i]);
474
475  // ------ build image_path and image_url
476  if ($i=='current' or $i=='next')
477  {
478    $picture[$i]['image_path'] = get_image_path( $picture[$i] );
479    $picture[$i]['image_url'] = get_image_url( $picture[$i] );
480  }
481
482  if ($i=='current')
483  {
484    if ( $picture[$i]['is_picture'] )
485    {
486      if ( $user['enabled_high']=='true' )
487      {
488        $hi_url=get_high_url($picture[$i]);
489        if ( !empty($hi_url) )
490        {
491          $picture[$i]['high_url'] = $hi_url;
492          $picture[$i]['download_url'] = get_download_url('h',$picture[$i]);
493        }
494      }
495    }
496    else
497    { // not a pic - need download link
498      $picture[$i]['download_url'] = get_download_url('e',$picture[$i]);
499    }
500  }
501
502  $picture[$i]['thumbnail'] = get_thumbnail_url($row);
503
504  if ( !empty( $row['name'] ) )
505  {
506    $picture[$i]['name'] = $row['name'];
507  }
508  else
509  {
510    $file_wo_ext = get_filename_wo_extension($row['file']);
511    $picture[$i]['name'] = str_replace('_', ' ', $file_wo_ext);
512  }
513
514  $picture[$i]['name'] = trigger_event('render_element_description', $picture[$i]['name']);
515
516  $picture[$i]['url'] = duplicate_picture_url(
517    array(
518      'image_id' => $row['id'],
519      'image_file' => $row['file'],
520      ),
521    array(
522      'start',
523      )
524    );
525
526  if ('previous'==$i and $page['previous_item']==$page['first_item'])
527  {
528    $picture['first'] = $picture[$i];
529  }
530  if ('next'==$i and $page['next_item']==$page['last_item'])
531  {
532    $picture['last'] = $picture[$i];
533  }
534}
535
536// calculation of width and height for the current picture
537if (empty($picture['current']['width']))
538{
539  $taille_image = @getimagesize($picture['current']['image_path']);
540  if ($taille_image!==false)
541  {
542    $picture['current']['width'] = $taille_image[0];
543    $picture['current']['height']= $taille_image[1];
544  }
545}
546
547if (!empty($picture['current']['width']))
548{
549  list(
550    $picture['current']['scaled_width'],
551    $picture['current']['scaled_height']
552    ) = get_picture_size(
553      $picture['current']['width'],
554      $picture['current']['height'],
555      @$user['maxwidth'],
556      @$user['maxheight']
557    );
558}
559
560$slideshow_params = array();
561$slideshow_url_params = array();
562
563if (isset($_GET['slideshow']))
564{
565  $page['slideshow'] = true;
566  $page['meta_robots'] = array('noindex'=>1, 'nofollow'=>1);
567
568  $slideshow_params = decode_slideshow_params($_GET['slideshow']);
569  $slideshow_url_params['slideshow'] = encode_slideshow_params($slideshow_params);
570
571  if ($slideshow_params['play'])
572  {
573    $id_pict_redirect = '';
574    if (isset($page['next_item']))
575    {
576      $id_pict_redirect = 'next';
577    }
578    else
579    {
580      if ($slideshow_params['repeat'] and isset($page['first_item']))
581      {
582        $id_pict_redirect = 'first';
583      }
584    }
585
586    if (!empty($id_pict_redirect))
587    {
588      // $refresh, $url_link and $title are required for creating
589      // an automated refresh page in header.tpl
590      $refresh = $slideshow_params['period'];
591      $url_link = add_url_params(
592          $picture[$id_pict_redirect]['url'],
593          $slideshow_url_params
594        );
595    }
596  }
597}
598else
599{
600  $page['slideshow'] = false;
601}
602if ($page['slideshow'] and $conf['light_slideshow'])
603{
604  $template->set_filenames( array('slideshow' => 'slideshow.tpl'));
605}
606else
607{
608  $template->set_filenames( array('picture' => 'picture.tpl'));
609}
610
611$title =  $picture['current']['name'];
612$title_nb = ($page['current_rank'] + 1).'/'.count($page['items']);
613
614// metadata
615$url_metadata = duplicate_picture_url();
616$url_metadata = add_url_params( $url_metadata, array('metadata'=>null) );
617
618
619// do we have a plugin that can show metadata for something else than images?
620$metadata_showable = trigger_event(
621  'get_element_metadata_available',
622  (
623    ($conf['show_exif'] or $conf['show_iptc'])
624    and isset($picture['current']['image_path'])
625    ),
626  $picture['current']['path']
627  );
628
629if ( $metadata_showable and pwg_get_session_var('show_metadata') )
630{
631  $page['meta_robots']=array('noindex'=>1, 'nofollow'=>1);
632}
633
634
635$page['body_id'] = 'thePicturePage';
636
637// allow plugins to change what we computed before passing data to template
638$picture = trigger_event('picture_pictures_data', $picture);
639
640
641if (isset($picture['next']['image_url'])
642    and $picture['next']['is_picture']
643    and strpos($_SERVER['HTTP_USER_AGENT'], 'Chrome/') === false)
644{
645  $template->assign('U_PREFETCH', $picture['next']['image_url'] );
646}
647
648//------------------------------------------------------- navigation management
649foreach (array('first','previous','next','last', 'current') as $which_image)
650{
651  if (isset($picture[$which_image]))
652  {
653    $template->assign(
654      $which_image,
655      array_merge(
656        $picture[$which_image],
657        array(
658          'TITLE' => $picture[$which_image]['name'],
659          'THUMB_SRC' => $picture[$which_image]['thumbnail'],
660          // Params slideshow was transmit to navigation buttons
661          'U_IMG' =>
662            add_url_params(
663              $picture[$which_image]['url'], $slideshow_url_params),
664          )
665        )
666      );
667    if ($conf['picture_download_icon'] and !empty($picture['current']['download_url']))
668    {
669      $template->append($which_image, array('U_DOWNLOAD' => $picture['current']['download_url']), true);
670    }
671  }
672}
673
674
675if ($page['slideshow'])
676{
677  $tpl_slideshow = array();
678
679  //slideshow end
680  $template->assign(
681    array(
682      'U_SLIDESHOW_STOP' => $picture['current']['url'],
683      )
684    );
685
686  foreach (array('repeat', 'play') as $p)
687  {
688    $var_name =
689      'U_'
690      .($slideshow_params[$p] ? 'STOP_' : 'START_')
691      .strtoupper($p);
692
693    $tpl_slideshow[$var_name] =
694          add_url_params(
695            $picture['current']['url'],
696            array('slideshow' =>
697              encode_slideshow_params(
698                array_merge($slideshow_params,
699                  array($p => ! $slideshow_params[$p]))
700                )
701              )
702          );
703  }
704
705  foreach (array('dec', 'inc') as $op)
706  {
707    $new_period = $slideshow_params['period'] + ((($op == 'dec') ? -1 : 1) * $conf['slideshow_period_step']);
708    $new_slideshow_params =
709      correct_slideshow_params(
710        array_merge($slideshow_params,
711                  array('period' => $new_period)));
712
713    if ($new_slideshow_params['period'] === $new_period)
714    {
715      $var_name = 'U_'.strtoupper($op).'_PERIOD';
716      $tpl_slideshow[$var_name] =
717            add_url_params(
718              $picture['current']['url'],
719              array('slideshow' => encode_slideshow_params($new_slideshow_params)
720                  )
721          );
722    }
723  }
724  $template->assign('slideshow', $tpl_slideshow );
725}
726elseif ($conf['picture_slideshow_icon'])
727{
728  $template->assign(
729    array(
730      'U_SLIDESHOW_START' =>
731        add_url_params(
732          $picture['current']['url'],
733          array( 'slideshow'=>''))
734      )
735    );
736}
737
738$template->assign(
739  array(
740    'SECTION_TITLE' => $page['title'],
741    'PHOTO' => $title_nb,
742    'SHOW_PICTURE_NAME_ON_TITLE' => $conf['show_picture_name_on_title'],
743    'IS_HOME' => ('categories'==$page['section'] and !isset($page['category']) ),
744
745    'LEVEL_SEPARATOR' => $conf['level_separator'],
746
747    'U_UP' => $url_up,
748    'DISPLAY_NAV_BUTTONS' => $conf['picture_navigation_icons'],
749    'DISPLAY_NAV_THUMB' => $conf['picture_navigation_thumb']
750    )
751  );
752
753if ($conf['picture_metadata_icon'])
754{
755  $template->assign('U_METADATA', $url_metadata);
756}
757
758
759//------------------------------------------------------- upper menu management
760
761// admin links
762if (is_admin())
763{
764  if (isset($page['category']))
765  {
766    $template->assign(
767      array(
768        'U_SET_AS_REPRESENTATIVE' => add_url_params($url_self,
769                    array('action'=>'set_as_representative')
770                 )
771        )
772      );
773  }
774
775  $url_admin =
776    get_root_url().'admin.php?page=picture_modify'
777    .'&amp;cat_id='.(isset($page['category']) ? $page['category']['id'] : '')
778    .'&amp;image_id='.$page['image_id'];
779
780  $template->assign(
781    array(
782      'U_CADDIE' => add_url_params($url_self,
783                  array('action'=>'add_to_caddie')
784               ),
785      'U_ADMIN' => $url_admin,
786      )
787    );
788
789  $template->assign('available_permission_levels', get_privacy_level_options());
790}
791
792// favorite manipulation
793if (!is_a_guest() and $conf['picture_favorite_icon'])
794{
795  // verify if the picture is already in the favorite of the user
796  $query = '
797SELECT COUNT(*) AS nb_fav
798  FROM '.FAVORITES_TABLE.'
799  WHERE image_id = '.$page['image_id'].'
800    AND user_id = '.$user['id'].'
801;';
802  $row = pwg_db_fetch_assoc( pwg_query($query) );
803        $is_favorite = $row['nb_fav'] != 0;
804
805  $template->assign(
806    'favorite',
807    array(
808                        'IS_FAVORITE' => $is_favorite,
809      'FAVORITE_IMG'  =>
810        get_root_url().get_themeconf('icon_dir').(!$is_favorite ? '/favorite.png' : '/del_favorite.png' ),
811      'FAVORITE_HINT' => l10n( !$is_favorite ? 'add this image to your favorites' : 'delete this image from your favorites'),
812      'U_FAVORITE'    => add_url_params(
813        $url_self,
814        array('action'=> !$is_favorite ? 'add_to_favorites' : 'remove_from_favorites' )
815        ),
816      )
817    );
818}
819
820//--------------------------------------------------------- picture information
821// legend
822if (isset($picture['current']['comment'])
823    and !empty($picture['current']['comment']))
824{
825  $template->assign(
826      'COMMENT_IMG',
827        trigger_event('render_element_description',
828          $picture['current']['comment'])
829      );
830}
831
832$infos = array();
833
834// author
835if (!empty($picture['current']['author']))
836{
837  $infos['INFO_AUTHOR'] =
838// FIXME because of search engine partial rewrite, giving the author
839// name threw GET is not supported anymore. This feature should come
840// back later, with a better design
841//     '<a href="'.
842//       PHPWG_ROOT_PATH.'category.php?cat=search'.
843//       '&amp;search=author:'.$picture['current']['author']
844//       .'">'.$picture['current']['author'].'</a>';
845    $picture['current']['author'];
846}
847
848// creation date
849if (!empty($picture['current']['date_creation']))
850{
851  $val = format_date($picture['current']['date_creation']);
852  $url = make_index_url(
853    array(
854      'chronology_field'=>'created',
855      'chronology_style'=>'monthly',
856      'chronology_view'=>'list',
857      'chronology_date' => explode('-', $picture['current']['date_creation'])
858      )
859    );
860  $infos['INFO_CREATION_DATE'] =
861    '<a href="'.$url.'" rel="nofollow">'.$val.'</a>';
862}
863
864// date of availability
865$val = format_date($picture['current']['date_available']);
866$url = make_index_url(
867  array(
868    'chronology_field'=>'posted',
869    'chronology_style'=>'monthly',
870    'chronology_view'=>'list',
871    'chronology_date' => explode(
872      '-',
873      substr($picture['current']['date_available'], 0, 10)
874      )
875    )
876  );
877$infos['INFO_POSTED_DATE'] = '<a href="'.$url.'" rel="nofollow">'.$val.'</a>';
878
879// size in pixels
880if ($picture['current']['is_picture'] and isset($picture['current']['width']) )
881{
882  if ($picture['current']['scaled_width'] !== $picture['current']['width'] )
883  {
884    $infos['INFO_DIMENSIONS'] =
885      '<a href="'.$picture['current']['image_url'].'" title="'.
886      l10n('Original dimensions').'">'.
887      $picture['current']['width'].'*'.$picture['current']['height'].'</a>';
888  }
889  else
890  {
891    $infos['INFO_DIMENSIONS'] =
892      $picture['current']['width'].'*'.$picture['current']['height'];
893  }
894}
895
896// filesize
897if (!empty($picture['current']['filesize']))
898{
899  $infos['INFO_FILESIZE'] =
900    sprintf(l10n('%d Kb'), $picture['current']['filesize']);
901}
902
903// number of visits
904$infos['INFO_VISITS'] = $picture['current']['hit'];
905
906// file
907$infos['INFO_FILE'] = $picture['current']['file'];
908
909$template->assign($infos);
910$template->assign('display_info', unserialize($conf['picture_informations']));
911
912// related tags
913$tags = get_common_tags( array($page['image_id']), -1);
914if ( count($tags) )
915{
916  foreach ($tags as $tag)
917  {
918    $template->append(
919        'related_tags',
920        array_merge( $tag,
921          array(
922            'URL' => make_index_url(
923                      array(
924                        'tags' => array($tag)
925                        )
926                      ),
927            'U_TAG_IMAGE' => duplicate_picture_url(
928                      array(
929                        'section' => 'tags',
930                        'tags' => array($tag)
931                        )
932                    )
933          )
934        )
935      );
936  }
937}
938
939// related categories
940if ( count($related_categories)==1 and
941    isset($page['category']) and
942    $related_categories[0]['category_id']==$page['category']['id'] )
943{ // no need to go to db, we have all the info
944  $template->append(
945      'related_categories',
946      get_cat_display_name( $page['category']['upper_names'] )
947    );
948}
949else
950{ // use only 1 sql query to get names for all related categories
951  $ids = array();
952  foreach ($related_categories as $category)
953  {// add all uppercats to $ids
954    $ids = array_merge($ids, explode(',', $category['uppercats']) );
955  }
956  $ids = array_unique($ids);
957  $query = '
958SELECT id, name, permalink
959  FROM '.CATEGORIES_TABLE.'
960  WHERE id IN ('.implode(',',$ids).')';
961  $cat_map = hash_from_query($query, 'id');
962  foreach ($related_categories as $category)
963  {
964    $cats = array();
965    foreach ( explode(',', $category['uppercats']) as $id )
966    {
967      $cats[] = $cat_map[$id];
968    }
969    $template->append('related_categories', get_cat_display_name($cats) );
970  }
971}
972
973// maybe someone wants a special display (call it before page_header so that
974// they can add stylesheets)
975$element_content = trigger_event(
976  'render_element_content',
977  '',
978  $picture['current']
979  );
980$template->assign( 'ELEMENT_CONTENT', $element_content );
981
982// +-----------------------------------------------------------------------+
983// |                               sub pages                               |
984// +-----------------------------------------------------------------------+
985
986include(PHPWG_ROOT_PATH.'include/picture_rate.inc.php');
987include(PHPWG_ROOT_PATH.'include/picture_comment.inc.php');
988if ($metadata_showable and pwg_get_session_var('show_metadata') <> null )
989{
990  include(PHPWG_ROOT_PATH.'include/picture_metadata.inc.php');
991}
992
993include(PHPWG_ROOT_PATH.'include/page_header.php');
994trigger_action('loc_end_picture');
995if ($page['slideshow'] and $conf['light_slideshow'])
996{
997  $template->pparse('slideshow');
998}
999else
1000{
1001  $template->pparse('picture');
1002}
1003//------------------------------------------------------------ log informations
1004pwg_log($picture['current']['id'], 'picture');
1005include(PHPWG_ROOT_PATH.'include/page_tail.php');
1006?>
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