forum.module 39 KB
Newer Older
Dries's avatar
   
Dries committed
1
2
3
<?php
// $Id$

Dries's avatar
   
Dries committed
4
5
6
7
8
/**
 * @file
 * Enable threaded discussions about general topics.
 */

9
10
11
12
/**
 * Implementation of hook_help().
 */
function forum_help($section) {
Dries's avatar
   
Dries committed
13
  switch ($section) {
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
    case 'admin/help#forum':
      $output = '<p>'. t('The forum module lets you create threaded discussion forums for a particular topic on your site. This is similar to a message board system such as phpBB. Forums are very useful because they allow community members to discuss topics with one another, and they are archived for future reference.') .'</p>';
      $output .= '<p>'. t('Forums can be organized under what are called <em>containers</em>. Containers hold forums and, in turn, forums hold threaded discussions. Both containers and forums can be placed inside other containers and forums. By planning the structure of your containers and forums well, you make it easier for users to find a topic area of interest to them.  Forum topics can be moved by selecting a different forum and can be left in the existing forum by selecting <em>leave a shadow copy</em>.  Forum topics can also have their own URL.') .'</p>';
      $output .= '<p>'. t('Forums module <strong>requires Taxonomy and Comments module</strong> be enabled.') .'</p>';
      $output .= t('<p>You can</p>
<ul>
<li>administer forums at <a href="%admin-forum">administer &gt;&gt; forums</a>.</li>
<li>enable the required comment and taxonomy modules at <a href="%admin-modules">administer &gt;&gt; modules</a>.</li>
<li>read about the comment module at <a href="%admin-help-comment">administer &gt;&gt; help &gt;&gt; comment</a>.</li>
<li>read about the taxonomy module at <a href="%admin-help-taxonomy">administer &gt;&gt; help &gt;&gt; taxonomy</a>.</li>
</ul>
', array('%admin-forum' => url('admin/forum'), '%admin-modules' => url('admin/modules'), '%admin-help-comment' => url('admin/help/comment'), '%admin-help-taxonomy' => url('admin/help/taxonomy')));
      $output .= '<p>'. t('For more information please read the configuration and customization handbook <a href="%forum">Forum page</a>.', array('%forum' => 'http://www.drupal.org/handbook/modules/forum/')) .'</p>';
      return $output;
    case 'admin/modules#description':
      return t('Enables threaded discussions about general topics.');
30
    case 'admin/forum':
31
      return t('<p>This is a list of existing containers and forums that you can edit. Containers hold forums and, in turn, forums hold threaded discussions. Both containers and forums can be placed inside other containers and forums. By planning the structure of your containers and forums well, you make it easier for users to find a topic area of interest to them.</p>');
32
    case 'admin/forum/add/container':
33
      return t('<p>Containers help you organize your forums. The job of a container is to hold, or contain, other forums that are related. For example, a container named "Food" might hold two forums named "Fruit" and "Vegetables".</p>');
34
    case 'admin/forum/add/forum':
35
      return t('<p>A forum holds discussion topics that are related. For example, a forum named "Fruit" might contain topics titled "Apples" and "Bananas".</p>');
36
37
    case 'admin/forum/configure':
      return t('This is where you can configure system-wide options for how your forums act and display.');
Dries's avatar
   
Dries committed
38
    case 'node/add#forum':
39
      return t('Create a new topic for discussion in the forums.');
Dries's avatar
   
Dries committed
40
41
42
  }
}

43
/**
44
 * Implementation of hook_node_info().
45
 */
46
function forum_node_info() {
47
  return array('forum' => array('name' => t('forum topic'), 'base' => 'forum'));
Dries's avatar
   
Dries committed
48
49
}

50
51
52
/**
 * Implementation of hook_access().
 */
Dries's avatar
   
Dries committed
53
function forum_access($op, $node) {
Dries's avatar
   
Dries committed
54
55
  global $user;

Dries's avatar
   
Dries committed
56
57
  if ($op == 'create') {
    return user_access('create forum topics');
Dries's avatar
   
Dries committed
58
  }
Dries's avatar
   
Dries committed
59
60
61
62
63
64

  if ($op == 'update' || $op == 'delete') {
    if (user_access('edit own forum topics') && ($user->uid == $node->uid)) {
      return TRUE;
    }
  }
Dries's avatar
   
Dries committed
65
66
}

67
68
69
/**
 * Implementation of hook_perm().
 */
Dries's avatar
   
Dries committed
70
function forum_perm() {
71
  return array('create forum topics', 'edit own forum topics', 'administer forums');
Dries's avatar
   
Dries committed
72
}
Dries's avatar
   
Dries committed
73

74
/**
75
 * Administration page which allows maintaining forums
76
 */
77
78
79
80
81
82
83
function forum_admin() {
  $op = $_POST['op'];
  $edit = $_POST['edit'];

  if (empty($op)) {
    $op = arg(2);
  }
Dries's avatar
   
Dries committed
84

85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
  switch ($op) {
    case 'add':
      if (arg(3) == 'forum') {
        $output = forum_form_forum();
      }
      else if (arg(3) == 'container') {
        $output = forum_form_container();
      }
      break;
    case 'edit':
      if (arg(3) == 'forum') {
        $output = forum_form_forum(object2array(taxonomy_get_term(arg(4))));
      }
      else if (arg(3) == 'container') {
         $output = forum_form_container(object2array(taxonomy_get_term(arg(4))));
      }
      break;
    case t('Delete'):
      if (!$edit['confirm']) {
104
        $output = _forum_confirm_delete($edit['tid']);
105
106
107
        break;
      }
      else {
108
        $name = $edit['name'];
109
110
111
        $edit['name'] = 0;
      }
    case t('Submit'):
112
      $status = taxonomy_save_term($edit);
113
      if (arg(3) == 'container') {
114
115
116
117
118
119
120
121
122
123
        switch ($status) {
          case SAVED_NEW:
            $containers = variable_get('forum_containers', array());
            $containers[] = $edit['tid'];
            variable_set('forum_containers', $containers);
            drupal_set_message(t('Created new forum container %term.', array('%term' => theme('placeholder', $edit['name']))));
            break;
          case SAVED_UPDATED:
            drupal_set_message(t('The forum container %term has been updated.', array('%term' => theme('placeholder', $edit['name']))));
            break;
124
          case SAVED_DELETED:
125
126
            drupal_set_message(t('The forum container %term has been deleted.', array('%term' => theme('placeholder', $name))));
            break;
127
128
129
        }
      }
      else {
130
131
132
133
134
135
136
137
138
139
        switch ($status) {
          case SAVED_NEW:
            drupal_set_message(t('Created new forum %term.', array('%term' => theme('placeholder', $edit['name']))));
            break;
          case SAVED_UPDATED:
            drupal_set_message(t('The forum %term has been updated.', array('%term' => theme('placeholder', $edit['name']))));
            break;
          case SAVED_DELETED:
            drupal_set_message(t('The forum %term has been deleted.', array('%term' => theme('placeholder', $name))));
            break;
140
141
        }
      }
142
143
144
145
146
      drupal_goto('admin/forum');
    default:
      $output = forum_overview();
  }

Dries's avatar
   
Dries committed
147
  return $output;
148
149
150
151
152
}

/**
 * Implementation of hook_taxonomy().
 */
153
function forum_taxonomy($op, $type, $object = NULL) {
154
  if ($op == 'delete' && $type == 'term' && $object->vid == _forum_get_vid())  {
Dries's avatar
Dries committed
155
    $results = db_query('SELECT f.nid FROM {forum} f WHERE f.tid = %d', $object->tid);
156
    while ($node = db_fetch_object($results)) {
157
      node_delete($node->nid);
Dries's avatar
   
Dries committed
158
    }
159
  }
160
161
162
  elseif ($op == 'delete' && $type == 'vocabulary' && $object->vid == _forum_get_vid())  {
    variable_del('forum_nav_vocabulary');
  }
163
}
Dries's avatar
   
Dries committed
164

165
166
167
168
169
/**
 * Returns a confirmation page for deleting a forum taxonomy term
 *
 * @param $tid ID of the term to be deleted
 */
170
function _forum_confirm_delete($tid) {
171
172
  $term = taxonomy_get_term($tid);

173
  $form['tid'] = array('#type' => 'hidden', '#value' => $tid);
174
175
176

  return confirm_form('forum_confirm_delete', $form, t('Are you sure you want to delete the forum %name?', array('%name' => theme('placeholder', $term->name))),
                  'admin/forums', t('Deleting a forum or container will delete all sub-forums as well. This action cannot be undone.'), t('Delete'), t('Cancel'));
177
178
179
180
181
182
183
184
}

/**
 * Returns a form for adding a container to the forum vocabulary
 *
 * @param $edit Associative array containing a container term to be added or edited.
 */
function forum_form_container($edit = array()) {
185
186
  $form['name'] = array('#title' => t('Container name'), '#type' => 'textfield', '#default_value' => $edit['name'], '#maxlength' =>  64, '#description' => t('The container name is used to identify related forums.'), '#required' => TRUE);
  $form['description'] = array('#type' => 'textarea', '#title' => t('Description'), '#default_value' => $edit['description'], '#description' => ('The container description can give users more information about the forums it contains.'));
187
  $form['parent']['#tree'] = TRUE;
188
  $form['parent'][0] = _forum_parent_select($edit['tid'], t('Parent'), 'container');
189
  $form['weight'] = array('#type' => 'weight', '#title' => t('Weight'), '#default_value' => $edit['weight'], '#description' => t('When listing containers, those with with light (small) weights get listed before containers with heavier (larger) weights. Containers with equal weights are sorted alphabetically.'));
190

191
192
  $form['vid'] = array('#type' => 'hidden', '#value' => _forum_get_vid());
  $form['submit'] = array('#type' => 'submit', '#value' => t('Submit'));
193
  if ($edit['tid']) {
194
195
    $form['delete'] = array('#type' => 'submit', '#value' => t('Delete'));
    $form['tid'] = array('#type' => 'hidden', '#value' => $edit['tid']);
196
197
  }

198
  return drupal_get_form('forum_form_container', $form);
199
200
201
202
203
204
205
206
}

/**
 * Returns a form for adding a forum to the forum vocabulary
 *
 * @param $edit Associative array containing a forum term to be added or edited.
 */
function forum_form_forum($edit = array()) {
207
208
  $form['name'] = array('#type' => 'textfield', '#title' => t('Forum name'), '#default_value' => $edit['name'], '#maxlength' =>  64, '#description' => t('The forum name is used to identify related discussions.'), '#required' => TRUE);
  $form['description'] = array('#type' => 'textarea', '#title' => t('Description'), '#default_value' => $edit['description'], '#description' => ('The forum description can give users more information about the discussion topics it contains.'));
209
  $form['parent']['#tree'] = TRUE;
210
  $form['parent'][0] = _forum_parent_select($edit['tid'], t('Parent'), 'forum');
211
  $form['weight'] = array('#type' => 'weight', '#title' => t('Weight'), '#default_value' => $edit['weight'], '#description' => t('When listing forums, those with with light (small) weights get listed before containers with heavier (larger) weights. Forums with equal weights are sorted alphabetically.'));
212

213
214
  $form['vid'] = array('#type' => 'hidden', '#value' => _forum_get_vid());
  $form['submit' ] = array('#type' => 'submit', '#value' => t('Submit'));
215
  if ($edit['tid']) {
216
217
    $form['delete'] = array('#type' => 'submit', '#value' => t('Delete'));
    $form['tid'] = array('#type' => 'hidden', '#value' => $edit['tid']);
218
  }
219

220
  return drupal_get_form('forum_form_forum', $form);
221
222
223
224
225
226
227
}

/**
 * Returns a select box for available parent terms
 *
 * @param $tid ID of the term which is being added or edited
 * @param $title Title to display the select box with
228
 * @param $child_type Whether the child is forum or container
229
 */
230
function _forum_parent_select($tid, $title, $child_type) {
231
232

  $parents = taxonomy_get_parents($tid);
233
234
235
236
237
238
239
240
  if ($parents) {
    $parent = array_shift($parents);
    $parent = $parent->tid;
  }
  else {
    $parent = 0;
  }

241
  $children = taxonomy_get_tree(_forum_get_vid(), $tid);
242
243
244
245
246
247
248
249
250
251
252
253

  // A term can't be the child of itself, nor of its children.
  foreach ($children as $child) {
    $exclude[] = $child->tid;
  }
  $exclude[] = $tid;

  $tree = taxonomy_get_tree(_forum_get_vid());
  $options[0] = '<'. t('root') .'>';
  if ($tree) {
    foreach ($tree as $term) {
      if (!in_array($term->tid, $exclude)) {
254
        $options[$term->tid] = _taxonomy_depth($term->depth) . $term->name;
255
      }
Dries's avatar
   
Dries committed
256
257
    }
  }
258
259
260
261
262
263
  if ($child_type == 'container') {
    $description = t('Containers are usually placed at the top (root) level of your forum but you can also place a container inside a parent container or forum.');
  }
  else if ($child_type == 'forum') {
    $description = t('You may place your forum inside a parent container or forum, or at the top (root) level of your forum.');
  }
Dries's avatar
   
Dries committed
264

265
  return array('#type' => 'select', '#title' => $title, '#default_value' => $parent, '#options' => $options, '#description' => $description, '#required' => TRUE);
Dries's avatar
   
Dries committed
266
267
}

268
/**
269
 * Returns an overview list of existing forums and containers
270
 */
271
272
273
274
275
276
277
function forum_overview() {
  $header = array(t('Name'), t('Operations'));

  $tree = taxonomy_get_tree(_forum_get_vid());
  if ($tree) {
    foreach ($tree as $term) {
      if (in_array($term->tid, variable_get('forum_containers', array()))) {
278
        $rows[] = array(_taxonomy_depth($term->depth) .' '. check_plain($term->name), l(t('edit container'), "admin/forum/edit/container/$term->tid"));
279
280
      }
      else {
281
        $rows[] = array(_taxonomy_depth($term->depth) .' '. check_plain($term->name), l(t('edit forum'), "admin/forum/edit/forum/$term->tid"));
282
283
       }

Dries's avatar
Dries committed
284
285
    }
  }
286
  else {
287
    $rows[] = array(array('data' => '<em>' . t('There are no existing containers or forums. You may add some on the <a href="%container">add container</a> or <a href="%forum">add forum</a> pages.', array('%container' => url('admin/forum/add/container'), '%forum' => url('admin/forum/add/forum'))) . '</em>', 'colspan' => 2));
288
289
  }
  return theme('table', $header, $rows);
Dries's avatar
Dries committed
290
291
}

292
293
294
295
296
297
298
/**
 * Returns the vocabulary id for forum navigation.
 */
function _forum_get_vid() {
  $vid = variable_get('forum_nav_vocabulary', '');
  if (empty($vid)) {
    // Check to see if a forum vocabulary exists
Dries's avatar
Dries committed
299
    $vid = db_result(db_query("SELECT vid FROM {vocabulary} WHERE module = '%s'", 'forum'));
300
    if (!$vid) {
301
      $edit = array('name' => 'Forums', 'multiple' => 0, 'required' => 1, 'hierarchy' => 1, 'relations' => 0, 'module' => 'forum', 'nodes' => array('forum' => 1));
302
303
      taxonomy_save_vocabulary($edit);
      $vid = $edit['vid'];
304
305
306
307
308
309
310
311
312
313
    }
    variable_set('forum_nav_vocabulary', $vid);
  }

  return $vid;
}

/**
 * Implementation of hook_settings
 */
314
function forum_admin_configure() {
315

316
  $form = array();
317
  $form['forum_icon_path'] = array('#type' => 'textfield', '#title' => t('Forum icon path'), '#default_value' => variable_get('forum_icon_path', ''), '#size' => 30, '#maxlength' =>  255, '#description' => t('The path to the forum icons.  Leave blank to disable icons. Don\'t add a trailing slash.  Default icons are available in the "misc" directory. You may use images of whatever size you wish, but it is recommended to use 15x15 or 16x16. '));
318
  $number = drupal_map_assoc(array(5, 10, 15, 20, 25, 30, 35, 40, 50, 60, 80, 100, 10000));
319
  $form['forum_hot_topic'] = array('#type' => 'select', '#title' => t('Hot topic threshold'), '#default_value' => variable_get('forum_hot_topic', 15), '#options' => $number, '#description' => t('The number of posts a topic must have to be considered hot.'));
320
  $number = drupal_map_assoc(array(10, 25, 50, 75, 100));
321
  $form['forum_per_page'] = array('#type' => 'select', '#title' => t('Topics per page'), '#default_value' => variable_get('forum_per_page', 25), '#options' => $number, '#description' => t('The default number of topics displayed per page; links to browse older messages are automatically being displayed.'));
322
  $forder = array(1 => t('Date - newest first'), 2 => t('Date - oldest first'), 3 => t('Posts - most active first'), 4=> t('Posts - least active first'));
323
  $form['forum_order'] = array('#type' => 'radios', '#title' => t('Default order'), '#default_value' => variable_get('forum_order', '1'), '#options' => $forder, '#description' => t('The default display order for topics.'));
324

325
  return system_settings_form('forum_admin_configure', $form);
326
327
}

328
329
330
/**
 * Implementation of hook_load().
 */
Dries's avatar
   
Dries committed
331
function forum_load($node) {
332
  $forum = db_fetch_object(db_query('SELECT * FROM {forum} WHERE vid = %d', $node->vid));
Dries's avatar
   
Dries committed
333
334
335
336

  return $forum;
}

337
338
339
340
341
342
/**
 * Implementation of hook_block().
 *
 * Generates a block containing the currently active forum topics and the
 * most recently added forum topics.
 */
343
344
345
function forum_block($op = 'list', $delta = 0, $edit = array()) {
  switch ($op) {
    case 'list':
Dries's avatar
   
Dries committed
346
347
      $blocks[0]['info'] = t('Active forum topics');
      $blocks[1]['info'] = t('New forum topics');
348
      return $blocks;
Dries's avatar
   
Dries committed
349

350
    case 'configure':
351
      $form['forum_block_num_'. $delta] = array('#type' => 'select', '#title' => t('Number of topics'), '#default_value' => variable_get('forum_block_num_'. $delta, '5'), '#options' => drupal_map_assoc(array(2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)));
352
      return $form;
Dries's avatar
   
Dries committed
353

354
    case 'save':
355
      variable_set('forum_block_num_'. $delta, $edit['forum_block_num_'. $delta]);
356
      break;
Dries's avatar
   
Dries committed
357

358
359
    case 'view':
      if (user_access('access content')) {
Dries's avatar
   
Dries committed
360
361
        switch ($delta) {
          case 0:
362
            $title = t('Active forum topics');
363
            $sql = db_rewrite_sql("SELECT n.nid, n.title, l.last_comment_timestamp, l.comment_count FROM {node} n INNER JOIN {node_comment_statistics} l ON n.nid = l.nid WHERE n.status = 1 AND n.type = 'forum' ORDER BY l.last_comment_timestamp DESC");
364
365
366
367
            $result = db_query_range($sql, 0, variable_get('forum_block_num_0', '5'));
            if (db_num_rows($result)) {
              $content = node_title_list($result);
            }
368
            break;
Dries's avatar
   
Dries committed
369
370

          case 1:
371
372
            $title = t('New forum topics');
            $sql = db_rewrite_sql("SELECT n.nid, n.title, l.comment_count FROM {node} n INNER JOIN {node_comment_statistics} l ON n.nid = l.nid WHERE n.type = 'forum' AND n.status = 1 ORDER BY n.nid DESC");
373
374
375
376
            $result = db_query_range($sql, 0, variable_get('forum_block_num_1', '5'));
            if (db_num_rows($result)) {
              $content = node_title_list($result);
            }
377
            break;
Dries's avatar
   
Dries committed
378
        }
Dries's avatar
   
Dries committed
379

380
        if ($content) {
381
          $content .= '<div class="more-link">'. l(t('more'), 'forum', array('title' => t('Read the latest forum topics.'))) .'</div>';
382
383
        }

Dries's avatar
   
Dries committed
384
        $block['subject'] = $title;
385
386
387
388
389
        $block['content'] = $content;

        return $block;
      }
  }
Dries's avatar
   
Dries committed
390
391
}

Dries's avatar
   
Dries committed
392
393
394
/**
 * Implementation of hook_link().
 */
395
function forum_link($type, $node = 0, $main = 0) {
Dries's avatar
Dries committed
396
  global $user;
Dries's avatar
   
Dries committed
397

Dries's avatar
   
Dries committed
398
399
  $links = array();

Dries's avatar
   
Dries committed
400
  if (!$main && $type == 'node' && $node->type == 'forum') {
Dries's avatar
   
Dries committed
401
402
    // get previous and next topic

Steven Wittens's avatar
Steven Wittens committed
403
    $sql = "SELECT n.nid, n.title, n.sticky, l.comment_count, l.last_comment_timestamp FROM {node} n INNER JOIN {node_comment_statistics} l ON n.nid = l.nid INNER JOIN {term_node} r ON n.nid = r.nid AND r.tid = %d WHERE n.status = 1 AND n.type = 'forum' ORDER BY n.sticky DESC, ". _forum_get_topic_order_sql(variable_get('forum_order', 1));
404
    $sql = db_rewrite_sql($sql);
Dries's avatar
   
Dries committed
405
    $result = db_query($sql, $node->tid);
Dries's avatar
   
Dries committed
406
407
408

    while ($topic = db_fetch_object($result)) {
      if ($stop == 1) {
409
        $next = new StdClass();
Dries's avatar
   
Dries committed
410
411
412
413
414
415
416
417
        $next->nid = $topic->nid;
        $next->title = $topic->title;
        break;
      }
      if ($topic->nid == $node->nid) {
        $stop = 1;
      }
      else {
418
        $prev = new StdClass();
Dries's avatar
   
Dries committed
419
420
421
422
423
424
        $prev->nid = $topic->nid;
        $prev->title = $topic->title;
      }
    }

    if ($prev) {
425
      $links[] = l(t('previous forum topic'), "node/$prev->nid", array('title' => check_plain($prev->title)));
Dries's avatar
   
Dries committed
426
427
428
    }

    if ($next) {
429
      $links[] = l(t('next forum topic'), "node/$next->nid", array('title' => check_plain($next->title)));
Dries's avatar
   
Dries committed
430
    }
Dries's avatar
   
Dries committed
431
432
  }

Dries's avatar
   
Dries committed
433
  return $links;
Dries's avatar
   
Dries committed
434
435
}

436
437
438
439
function forum_term_path($term) {
  return 'forum/'. $term->tid;
}

Dries's avatar
   
Dries committed
440
441
442
/**
 * Implementation of hook_menu().
 */
Dries's avatar
   
Dries committed
443
function forum_menu($may_cache) {
Dries's avatar
   
Dries committed
444
445
  $items = array();

Dries's avatar
   
Dries committed
446
447
448
  if ($may_cache) {
    $items[] = array('path' => 'node/add/forum', 'title' => t('forum topic'),
      'access' => user_access('create forum topics'));
449

Dries's avatar
   
Dries committed
450
451
452
    $items[] = array('path' => 'forum', 'title' => t('forums'),
      'callback' => 'forum_page',
      'access' => user_access('access content'),
453
      'type' => MENU_SUGGESTED_ITEM);
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468

    $items[] = array('path' => 'admin/forum', 'title' => t('forums'),
      'callback' => 'forum_admin',
      'access' => user_access('administer forums'),
      'type' => MENU_NORMAL_ITEM);

    $items[] = array('path' => 'admin/forum/list', 'title' => t('list'),
      'access' => user_access('administer forums'),
      'type' => MENU_DEFAULT_LOCAL_TASK, 'weight' => -10);
    $items[] = array('path' => 'admin/forum/add/container', 'title' => t('add container'),
      'access' => user_access('administer forums'),
      'type' => MENU_LOCAL_TASK);
    $items[] = array('path' => 'admin/forum/add/forum', 'title' => t('add forum'),
      'access' => user_access('administer forums'),
      'type' => MENU_LOCAL_TASK);
469
470
471
472
    $items[] = array('path' => 'admin/forum/configure', 'title' => t('configure'),
      'callback' => 'forum_admin_configure',
      'access' => user_access('administer forums'),
      'type' => MENU_LOCAL_TASK);
473
474
475
476
477
478
479

    $items[] = array('path' => 'admin/forum/edit/container', 'title' => t('edit container'),
      'access' => user_access('administer forums'),
      'type' => MENU_CALLBACK);
    $items[] = array('path' => 'admin/forum/edit/forum', 'title' => t('edit forum'),
      'access' => user_access('administer forums'),
      'type' => MENU_CALLBACK);
Dries's avatar
   
Dries committed
480
  }
Dries's avatar
   
Dries committed
481
482
483
484

  return $items;
}

485
486
487
/**
 * Implementation of hook_view().
 */
Dries's avatar
   
Dries committed
488
function forum_view(&$node, $teaser = FALSE, $page = FALSE) {
Dries's avatar
   
Dries committed
489

Dries's avatar
   
Dries committed
490
  if ($page) {
Dries's avatar
   
Dries committed
491
    $vocabulary = taxonomy_get_vocabulary(variable_get('forum_nav_vocabulary', ''));
Dries's avatar
   
Dries committed
492
    // Breadcrumb navigation
Dries's avatar
   
Dries committed
493
494
    $breadcrumb = array();
    $breadcrumb[] = array('path' => 'forum', 'title' => $vocabulary->name);
Dries's avatar
   
Dries committed
495
    if ($parents = taxonomy_get_parents_all($node->tid)) {
Dries's avatar
   
Dries committed
496
497
      $parents = array_reverse($parents);
      foreach ($parents as $p) {
Dries's avatar
   
Dries committed
498
        $breadcrumb[] = array('path' => 'forum/'. $p->tid, 'title' => $p->name);
Dries's avatar
   
Dries committed
499
500
      }
    }
Dries's avatar
   
Dries committed
501
502
    $breadcrumb[] = array('path' => 'node/'. $node->nid);
    menu_set_location($breadcrumb);
503
  }
Dries's avatar
   
Dries committed
504

505
  $node = node_prepare($node, $teaser);
Dries's avatar
   
Dries committed
506
507
}

508
/**
509
 * Implementation of hook_submit().
510
511
512
513
 *
 * Check in particular that only a "leaf" term in the associated taxonomy
 * vocabulary is selected, not a "container" term.
 */
514
function forum_submit(&$node) {
515
  // Make sure all fields are set properly:
Dries's avatar
   
Dries committed
516
  $node->icon = $node->icon ? $node->icon : '';
Dries's avatar
   
Dries committed
517
518
519

  if ($node->taxonomy) {
    // Extract the node's proper topic ID.
Dries's avatar
   
Dries committed
520
    $vocabulary = variable_get('forum_nav_vocabulary', '');
Dries's avatar
   
Dries committed
521
    foreach ($node->taxonomy as $term) {
Dries's avatar
   
Dries committed
522
      if (db_result(db_query('SELECT COUNT(*) FROM {term_data} WHERE tid = %d AND vid = %d', $term, $vocabulary))) {
523
        $node->tid = $term;
Dries's avatar
   
Dries committed
524
      }
525
    }
Dries's avatar
   
Dries committed
526
527
528
529
530
531
532
    if ($node->tid && $node->shadow) {
      $terms = array_keys(taxonomy_node_get_terms($node->nid));
      if (!in_array($node->tid, $terms)) {
        $terms[] = $node->tid;
      }
      $node->taxonomy = $terms;
    }
Dries's avatar
Dries committed
533
534
535
  }
}

536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
/**
 * Implementation of hook_validate().
 *
 * Check in particular that only a "leaf" term in the associated taxonomy
 * vocabulary is selected, not a "container" term.
 */
function forum_validate($node) {
  node_validate_title($node,t('You have to specify a subject.'));

  if ($node->taxonomy) {
    // Extract the node's proper topic ID.
    $vocabulary = variable_get('forum_nav_vocabulary', '');
    $containers = variable_get('forum_containers', array());
    foreach ($node->taxonomy as $term) {
      if (db_result(db_query('SELECT COUNT(*) FROM {term_data} WHERE tid = %d AND vid = %d', $term, $vocabulary))) {
        if (in_array($term, $containers)) {
          $term = taxonomy_get_term($term);
          form_set_error('taxonomy', t('The item %forum is only a container for forums. Please select one of the forums below it.', array('%forum' => theme('placeholder', $term->name))));
        }
      }
    }
  }
}

Dries's avatar
   
Dries committed
560
561
562
563
/**
 * Implementation of hook_update().
 */
function forum_update($node) {
564
565
566
567
568
569
  if ($node->is_new || $node->revision) {
    db_query("INSERT INTO {forum} (nid, vid, tid) VALUES (%d, %d, %d)", $node->nid, $node->vid, $node->tid);
  }
  else {
    db_query('UPDATE {forum} SET tid = %d WHERE vid = %d', $node->tid, $node->vid);
  }
Dries's avatar
   
Dries committed
570
571
}

572
573
574
/**
 * Implementation of hook_form().
 */
Dries's avatar
   
Dries committed
575
function forum_form(&$node) {
576
  $form['title'] = array('#type' => 'textfield', '#title' => t('Subject'), '#default_value' => $node->title, '#required' => TRUE);
577

Dries's avatar
   
Dries committed
578
  if (!$node->nid) {
Dries's avatar
Dries committed
579
    // new topic
Dries's avatar
   
Dries committed
580
    $node->taxonomy[] = arg(3);
581
  }
Dries's avatar
   
Dries committed
582
583
584
  else {
    $node->taxonomy = array($node->tid);
  }
585

Dries's avatar
Dries committed
586
587
  if ($node->nid) {
    // if editing, give option to leave shadows
Dries's avatar
   
Dries committed
588
    $shadow = (count(taxonomy_node_get_terms($node->nid)) > 1);
589
    $form['shadow'] = array('#type' => 'checkbox', '#title' => t('Leave shadow copy'), '#default_value' => $shadow, '#description' => t('If you move this topic, you can leave a link in the old forum to the new forum.'));
Dries's avatar
Dries committed
590
  }
Dries's avatar
   
Dries committed
591

592
  $form['body'] = array('#type' => 'textarea', '#title' => t('Body'), '#default_value' => $node->body, '#rows' => 20, '#required' => TRUE
593
594
  );
  $form = array_merge($form, filter_form($node->format));
Dries's avatar
   
Dries committed
595

596
  return $form;
Dries's avatar
   
Dries committed
597
598
}

599
600
601
/**
 * Implementation of hook_insert().
 */
Dries's avatar
   
Dries committed
602
function forum_insert($node) {
603
  db_query('INSERT INTO {forum} (nid, vid, tid) VALUES (%d, %d, %d)', $node->nid, $node->vid, $node->tid);
Dries's avatar
   
Dries committed
604
605
}

606
607
608
/**
 * Implementation of hook_delete().
 */
Dries's avatar
   
Dries committed
609
function forum_delete(&$node) {
Dries's avatar
   
Dries committed
610
  db_query('DELETE FROM {forum} WHERE nid = %d', $node->nid);
Dries's avatar
   
Dries committed
611
}
Dries's avatar
   
Dries committed
612

Dries's avatar
   
Dries committed
613
614
615
/**
 * Formats a topic for display
 *
616
 * @TODO Give a better description. Not sure where this function is used yet.
Dries's avatar
   
Dries committed
617
 */
Dries's avatar
   
Dries committed
618
function _forum_format($topic) {
619
  if ($topic && $topic->timestamp) {
620
    return t('%time ago<br />by %author', array('%time' => format_interval(time() - $topic->timestamp), '%author' => theme('username', $topic)));
Dries's avatar
   
Dries committed
621
622
623
624
625
626
  }
  else {
    return message_na();
  }
}

Dries's avatar
   
Dries committed
627
628
629
/**
 * Returns a list of all forums for a given taxonomy id
 *
630
 * Forum objects contain the following fields
Dries's avatar
   
Dries committed
631
632
633
634
635
636
637
638
639
 * -num_topics Number of topics in the forum
 * -num_posts Total number of posts in all topics
 * -last_post Most recent post for the forum
 *
 * @param $tid
 *   Taxonomy ID of the vocabulary that holds the forum list.
 * @return
 *   Array of object containing the forum information.
 */
Dries's avatar
   
Dries committed
640
function forum_get_forums($tid = 0) {
641

Dries's avatar
   
Dries committed
642
643
644
645
  if (!$tid) {
    $tid = 0;
  }

Dries's avatar
   
Dries committed
646
647
  $forums = array();
  $_forums = taxonomy_get_tree(variable_get('forum_nav_vocabulary', ''), $tid);
Dries's avatar
   
Dries committed
648

Dries's avatar
   
Dries committed
649
  if (count($_forums)) {
Dries's avatar
   
Dries committed
650

Dries's avatar
   
Dries committed
651
652
    $counts = array();

Dries's avatar
   
Dries committed
653
    $sql = "SELECT r.tid, COUNT(n.nid) AS topic_count, SUM(l.comment_count) AS comment_count FROM {node} n INNER JOIN {node_comment_statistics} l ON n.nid = l.nid INNER JOIN {term_node} r ON n.nid = r.nid WHERE n.status = 1 AND n.type = 'forum' GROUP BY r.tid";
654
    $sql = db_rewrite_sql($sql);
Dries's avatar
   
Dries committed
655
    $_counts = db_query($sql, $forum->tid);
Dries's avatar
   
Dries committed
656
657
658
    while ($count = db_fetch_object($_counts)) {
      $counts[$count->tid] = $count;
    }
Dries's avatar
   
Dries committed
659
  }
Dries's avatar
   
Dries committed
660

Dries's avatar
   
Dries committed
661
662
663
664
  foreach ($_forums as $forum) {
    if (in_array($forum->tid, variable_get('forum_containers', array()))) {
      $forum->container = 1;
    }
Dries's avatar
   
Dries committed
665

Dries's avatar
   
Dries committed
666
667
668
669
670
671
672
673
674
675
676
    if ($counts[$forum->tid]) {
      $forum->num_topics = $counts[$forum->tid]->topic_count;
      $forum->num_posts = $counts[$forum->tid]->topic_count + $counts[$forum->tid]->comment_count;
    }
    else {
      $forum->num_topics = 0;
      $forum->num_posts = 0;
    }

    // This query does not use full ANSI syntax since MySQL 3.x does not support
    // table1 INNER JOIN table2 INNER JOIN table3 ON table2_criteria ON table3_criteria
Dries's avatar
   
Dries committed
677
    // used to join node_comment_statistics to users.
678
    $sql = "SELECT n.nid, l.last_comment_timestamp, IF(l.last_comment_uid != 0, cu.name, l.last_comment_name) as last_comment_name, l.last_comment_uid FROM {node} n, {node_comment_statistics} l, {users} cu, {term_node} r WHERE  n.nid = r.nid AND r.tid = %d AND n.status = 1 AND n.type = 'forum' AND l.last_comment_uid = cu.uid AND n.nid = l.nid ORDER BY l.last_comment_timestamp DESC";
679
    $sql = db_rewrite_sql($sql);
Dries's avatar
   
Dries committed
680
    $topic = db_fetch_object(db_query_range($sql, $forum->tid, 0, 1));
681
682

    $last_post = new StdClass();
Dries's avatar
   
Dries committed
683
684
685
686
    $last_post->timestamp = $topic->last_comment_timestamp;
    $last_post->name = $topic->last_comment_name;
    $last_post->uid = $topic->last_comment_uid;
    $forum->last_post = $last_post;
Dries's avatar
   
Dries committed
687

Dries's avatar
   
Dries committed
688
689
690
691
    $forums[$forum->tid] = $forum;
  }

  return $forums;
Dries's avatar
   
Dries committed
692
693
}

694
695
696
697
function _forum_topics_read($term, $uid) {
  // Calculate the number of topics the user has read. Assume all entries older
  // than NODE_NEW_LIMIT are read, and include the recent posts that user has
  // read.
Dries's avatar
   
Dries committed
698
  $sql = "SELECT COUNT(n.nid) FROM {node} n INNER JOIN {term_node} r ON n.nid = r.nid AND r.tid = %d WHERE n.created <= %d AND n.status = 1 AND n.type = 'forum'";
699
  $sql = db_rewrite_sql($sql);
Dries's avatar
   
Dries committed
700
701
  $ancient = db_result(db_query($sql, $term, NODE_NEW_LIMIT));
  $sql = "SELECT COUNT(n.nid) FROM {node} n INNER JOIN {history} h ON n.nid = h.nid AND h.uid = %d INNER JOIN {term_node} r ON n.nid = r.nid AND r.tid = %d WHERE n.status = 1 AND n.type = 'forum' AND n.created > %d";
702
  $sql = db_rewrite_sql($sql);
Dries's avatar
   
Dries committed
703
  $recent = db_result(db_query($sql, $uid, $term, NODE_NEW_LIMIT));
Dries's avatar
   
Dries committed
704

705
  return $ancient + $recent;
Dries's avatar
   
Dries committed
706
707
}

Dries's avatar
Dries committed
708
function forum_get_topics($tid, $sortby, $forum_per_page) {
Dries's avatar
   
Dries committed
709
  global $user, $forum_topic_list_header;
Dries's avatar
   
Dries committed
710

Dries's avatar
   
Dries committed
711
  $forum_topic_list_header = array(
Dries's avatar
   
Dries committed
712
713
    array('data' => '&nbsp;'),
    array('data' => t('Topic'), 'field' => 'n.title'),
Dries's avatar
   
Dries committed
714
    array('data' => t('Replies'), 'field' => 'l.comment_count'),
Dries's avatar
   
Dries committed
715
    array('data' => t('Created'), 'field' => 'n.created'),
Dries's avatar
   
Dries committed
716
    array('data' => t('Last reply'), 'field' => 'l.last_comment_timestamp'),
Dries's avatar
   
Dries committed
717
  );
Dries's avatar
   
Dries committed
718

Dries's avatar
   
Dries committed
719
  $order = _forum_get_topic_order($sortby);
Dries's avatar
   
Dries committed
720
  for ($i = 0; $i < count($forum_topic_list_header); $i++) {
Dries's avatar
   
Dries committed
721
722
    if ($forum_topic_list_header[$i]['field'] == $order['field']) {
      $forum_topic_list_header[$i]['sort'] = $order['sort'];
Dries's avatar
   
Dries committed
723
724
725
726
    }
  }

  $term = taxonomy_get_term($tid);
Dries's avatar
   
Dries committed
727

728
  $sql = db_rewrite_sql("SELECT n.nid, f.tid, n.title, n.sticky, u.name, u.uid, n.created AS timestamp, n.comment AS comment_mode, l.last_comment_timestamp, IF(l.last_comment_uid != 0, cu.name, l.last_comment_name) AS last_comment_name, l.last_comment_uid, l.comment_count AS num_comments FROM {node} n, {node_comment_statistics} l, {users} cu, {term_node} r, {users} u, {forum} f WHERE n.status = 1 AND l.last_comment_uid = cu.uid AND n.nid = l.nid AND n.nid = r.nid AND r.tid = %d AND n.uid = u.uid AND n.vid = f.vid");
Dries's avatar
   
Dries committed
729
  $sql .= tablesort_sql($forum_topic_list_header, 'n.sticky DESC,');
730
  $sql .= ', n.created DESC';  // Always add a secondary sort order so that the news forum topics are on top.
Dries's avatar
Dries committed
731

732
  $sql_count = db_rewrite_sql("SELECT COUNT(n.nid) FROM {node} n INNER JOIN {term_node} r ON n.nid = r.nid AND r.tid = %d WHERE n.status = 1 AND n.type = 'forum'");
Dries's avatar
   
Dries committed
733

Steven Wittens's avatar
Steven Wittens committed
734
  $result = pager_query($sql, $forum_per_page, 0, $sql_count, $tid);
Dries's avatar
   
Dries committed
735
736

  while ($topic = db_fetch_object($result)) {
Dries's avatar
Dries committed
737
738
    if ($user->uid) {
      // folder is new if topic is new or there are new comments since last visit
Dries's avatar
   
Dries committed
739
      if ($topic->tid != $tid) {
Dries's avatar
Dries committed
740
        $topic->new = 0;
Dries's avatar
   
Dries committed
741
742
      }
      else {
Dries's avatar
   
Dries committed
743
        $history = _forum_user_last_visit($topic->nid);
Dries's avatar
   
Dries committed
744
        $topic->new_replies = comment_num_new($topic->nid, $history);
745
        $topic->new = $topic->new_replies || ($topic->timestamp > $history);
Dries's avatar
   
Dries committed
746
      }
747
748
    }
    else {
749
      // Do not track "new replies" status for topics if the user is anonymous.
Dries's avatar
Dries committed
750
751
      $topic->new_replies = 0;
      $topic->new = 0;
752
    }
Dries's avatar
   
Dries committed
753

Dries's avatar
   
Dries committed
754
    if ($topic->num_comments > 0) {
755
      $last_reply = new StdClass();
Dries's avatar
   
Dries committed
756
757
758
759
760
      $last_reply->timestamp = $topic->last_comment_timestamp;
      $last_reply->name = $topic->last_comment_name;
      $last_reply->uid = $topic->last_comment_uid;
      $topic->last_reply = $last_reply;
    }
Dries's avatar
   
Dries committed
761
762
763
    $topics[] = $topic;
  }

Dries's avatar
Dries committed
764
  return $topics;
Dries's avatar
   
Dries committed
765
766
}

Dries's avatar
   
Dries committed
767
768
769
/**
 * Finds the first unread node for a given forum.
 */
Dries's avatar
Dries committed
770
function _forum_new($tid) {
Dries's avatar
   
Dries committed
771
772
  global $user;

Dries's avatar
   
Dries committed
773
  $sql = "SELECT n.nid FROM {node} n LEFT JOIN {history} h ON n.nid = h.nid AND h.uid = %d INNER JOIN {term_node} r ON n.nid = r.nid AND r.tid = %d WHERE n.status = 1 AND n.type = 'forum' AND h.nid IS NULL AND n.created > %d ORDER BY created";
774
  $sql = db_rewrite_sql($sql);
Dries's avatar
   
Dries committed
775
  $nid = db_result(db_query_range($sql, $user->uid, $tid, NODE_NEW_LIMIT, 0, 1));
Dries's avatar
   
Dries committed
776
777
778
779

  return $nid ? $nid : 0;
}

780
/**
Dries's avatar
Dries committed
781
 * Menu callback; prints a forum listing.
782
 */
Dries's avatar
Dries committed
783
function forum_page($tid = 0) {
Dries's avatar
   
Dries committed
784
  global $user;
Dries's avatar
   
Dries committed
785

786
  if (module_exist('taxonomy') && module_exist('comment')) {
Dries's avatar
Dries committed
787
788
    $forum_per_page = variable_get('forum_per_page', 25);
    $sortby = variable_get('forum_order', 1);
Dries's avatar
   
Dries committed
789

Dries's avatar
Dries committed
790
791
792
793
    $forums = forum_get_forums($tid);
    $parents = taxonomy_get_parents_all($tid);
    if ($tid && !in_array($tid, variable_get('forum_containers', array()))) {
      $topics = forum_get_topics($tid, $sortby, $forum_per_page);
Dries's avatar
   
Dries committed
794
    }
Dries's avatar
Dries committed
795

Dries's avatar
   
Dries committed
796
    return theme('forum_display', $forums, $topics, $parents, $tid, $sortby, $forum_per_page);
Dries's avatar
   
Dries committed
797
798
  }
  else {
799
800
    drupal_set_message(t('The forum module requires both the taxonomy module and the comment module to be enabled and configured.'), 'error');
    return ' ';
Dries's avatar
   
Dries committed
801
802
803
  }
}

Dries's avatar
   
Dries committed
804
/**
Dries's avatar
   
Dries committed
805
806
 * Format the forum body.
 *
Dries's avatar
   
Dries committed
807
 * @ingroup themeable
Dries's avatar
   
Dries committed
808
 */
Dries's avatar
   
Dries committed
809
function theme_forum_display($forums, $topics, $parents, $tid, $sortby, $forum_per_page) {
Dries's avatar
   
Dries committed
810
  global $user;
Dries's avatar
   
Dries committed
811
  // forum list, topics list, topic browser and 'add new topic' link
Dries's avatar
   
Dries committed
812

Dries's avatar
   
Dries committed
813
  $vocabulary = taxonomy_get_vocabulary(variable_get('forum_nav_vocabulary', ''));
814
  $title = $vocabulary->name;
Dries's avatar
   
Dries committed
815

Dries's avatar
   
Dries committed
816
817
  // Breadcrumb navigation:
  $breadcrumb = array();
Dries's avatar
   
Dries committed
818
  if ($tid) {
Dries's avatar
   
Dries committed
819
    $breadcrumb[] = array('path' => 'forum', 'title' => $title);
Dries's avatar
   
Dries committed
820
  }
Dries's avatar
   
Dries committed
821
822

  if ($parents) {
Dries's avatar
   
Dries committed
823
824
    $parents = array_reverse($parents);
    foreach ($parents as $p) {
825
826
      if ($p->tid == $tid) {
        $title = $p->name;
Dries's avatar
   
Dries committed
827
828
      }
      else {
Dries's avatar
   
Dries committed
829
        $breadcrumb[] = array('path' => 'forum/'. $p->tid, 'title' => $p->name);
Dries's avatar
   
Dries committed
830
831
832
      }
    }
  }
833
834
835

  drupal_set_title($title);

Dries's avatar
   
Dries committed
836
837
  $breadcrumb[] = array('path' => $_GET['q']);
  menu_set_location($breadcrumb);
Dries's avatar
   
Dries committed
838

Dries's avatar
   
Dries committed
839
  if (count($forums) || count($parents)) {
840
841
    $output  = '<div id="forum">';
    $output .= '<ul>';
Dries's avatar
   
Dries committed
842
843
844

    if (module_exist('tracker')) {
      if ($user->uid) {
Dries's avatar
   
Dries committed
845
        $output .= ' <li>'. l(t('My forum discussions.'), "tracker/$user->uid") .'</li>';
Dries's avatar
   
Dries committed
846
847
      }

Dries's avatar
   
Dries committed
848
      $output .= ' <li>'. l(t('Active forum discussions.'), 'tracker') .'</li>';
Dries's avatar
   
Dries committed
849
850
851
    }

    if (user_access('create forum topics')) {
852
      $output .= '<li>'. l(t('Post new forum topic.'), "node/add/forum/$tid") .'</li>';
Dries's avatar
   
Dries committed
853
854
    }
    else if ($user->uid) {
855
      $output .= '<li>'. t('You are not allowed to post a new forum topic.') .'</li>';
Dries's avatar
   
Dries committed
856
857
858
859
    }
    else {
      $output .= '<li>'. t('<a href="%login">Login</a> to post a new forum topic.', array('%login' => url('user/login'))) .'</li>';
    }
860
    $output .= '</ul>';
Dries's avatar
   
Dries committed
861

Dries's avatar
   
Dries committed
862
    $output .= theme('forum_list', $forums, $parents, $tid);
Dries's avatar
   
Dries committed
863

Dries's avatar
   
Dries committed
864
    if ($tid && !in_array($tid, variable_get('forum_containers', array()))) {
865
866
867
868
      drupal_add_link(array('rel' => 'alternate',
                            'type' => 'application/rss+xml',
                            'title' => 'RSS - '. $title,
                            'href' => url('taxonomy/term/'. $tid .'/0/feed')));
Dries's avatar
   
Dries committed
869

Dries's avatar
   
Dries committed
870
      $output .= theme('forum_topic_list', $tid, $topics, $sortby, $forum_per_page);
Dries's avatar
   
Dries committed
871
      $output .= theme('xml_icon', url("taxonomy/term/$tid/0/feed"));
Dries's avatar
   
Dries committed
872
    }
873
    $output .= '</div>';
Dries's avatar
   
Dries committed
874
875
  }
  else {
876
    drupal_set_title(t('No forums defined'));
Dries's avatar
   
Dries committed
877
    $output = '';
Dries's avatar
   
Dries committed
878
879
  }

880
  return $output;
Dries's avatar
   
Dries committed
881
882
}

Dries's avatar
   
Dries committed
883
/**
Dries's avatar
   
Dries committed
884
885
 * Format the forum listing.
 *
Dries's avatar
   
Dries committed
886
 * @ingroup themeable
Dries's avatar
   
Dries committed
887
 */
Dries's avatar
   
Dries committed
888
function theme_forum_list($forums, $parents, $tid) {
Dries's avatar
   
Dries committed
889
890
  global $user;

Dries's avatar
   
Dries committed
891
892
  if ($forums) {

Dries's avatar
   
Dries committed
893
    $header = array(t('Forum'), t('Topics'), t('Posts'), t('Last post'));
Dries's avatar
   
Dries committed
894
895

    foreach ($forums as $forum) {
Dries's avatar
   
Dries committed
896
      if ($forum->container) {
897
898
        $description  = '<div style="margin-left: '. ($forum->depth * 30) ."px;\">\n";
        $description .= ' <div class="name">'. l($forum->name, "forum/$forum->tid") ."</div>\n";
Dries's avatar
   
Dries committed
899
900

        if ($forum->description) {
901
          $description .= ' <div class="description">'. check_plain($forum->description) ."</div>\n";
Dries's avatar
   
Dries committed
902
903
904
        }
        $description .= "</div>\n";

Dries's avatar
   
Dries committed
905
        $rows[] = array(array('data' => $description, 'class' => 'container', 'colspan' => '4'));
906
      }
Dries's avatar
   
Dries committed
907
      else {
908
        $forum->old_topics = _forum_topics_read($forum->tid, $user->uid);
Dries's avatar
   
Dries committed
909
910
911
        if ($user->uid) {
          $new_topics = $forum->num_topics - $forum->old_topics;
        }
Dries's avatar
   
Dries committed
912
913
914
        else {
          $new_topics = 0;
        }
Dries's avatar
   
Dries committed
915

916
917
        $description  = '<div style="margin-left: '. ($forum->depth * 30) ."px;\">\n";
        $description .= ' <div class="name">'. l($forum->name, "forum/$forum->tid") ."</div>\n";
Dries's avatar
   
Dries committed
918

Dries's avatar
   
Dries committed
919
        if ($forum->description) {
920
          $description .= ' <div class="description">'. check_plain($forum->description) ."</div>\n";
Dries's avatar
   
Dries committed
921
922
        }
        $description .= "</div>\n";
Dries's avatar
   
Dries committed
923

Dries's avatar
   
Dries committed
924
        $rows[] = array(
Dries's avatar
   
Dries committed
925
          array('data' => $description, 'class' => 'forum'),
926
          array('data' => $forum->num_topics . ($new_topics ? '<br />'. l(t('%a new', array('%a' => $new_topics)), "forum/$forum->tid", NULL, NULL, 'new') : ''), 'class' => 'topics'),
Dries's avatar
   
Dries committed
927
928
          array('data' => $forum->num_posts, 'class' => 'posts'),
          array('data' => _forum_format