mod/forum/view.php

   1 <?php  // $Id$
   2
   3     require_once('../../config.php');
   4     require_once('lib.php');
   5     require_once("$CFG->libdir/rsslib.php");
   6
   7
   8     $id          = optional_param('id', 0, PARAM_INT);       // Course Module ID
   9     $f           = optional_param('f', 0, PARAM_INT);        // Forum ID
  10     $mode        = optional_param('mode', 0, PARAM_INT);     // Display mode (for single forum)
  11     $showall     = optional_param('showall', '', PARAM_INT); // show all discussions on one page
  12     $changegroup = optional_param('group', -1, PARAM_INT);   // choose the current group
  13     $page        = optional_param('page', 0, PARAM_INT);     // which page to show
  14     $search      = optional_param('search', '');             // search string
  15
  16
  17     $buttontext = '';
  18
  19     if ($id) {
  20         if (! $cm = get_coursemodule_from_id('forum', $id)) {
  21             error("Course Module ID was incorrect");
  22         }
  23         if (! $course = get_record("course", "id", $cm->course)) {
  24             error("Course is misconfigured");
  25         }
  26         if (! $forum = get_record("forum", "id", $cm->instance)) {
  27             error("Forum ID was incorrect");
  28         }
  29         $strforums = get_string("modulenameplural", "forum");
  30         $strforum = get_string("modulename", "forum");
  31         $buttontext = update_module_button($cm->id, $course->id, $strforum);
  32
  33     } else if ($f) {
  34
  35         if (! $forum = get_record("forum", "id", $f)) {
  36             error("Forum ID was incorrect or no longer exists");
  37         }
  38         if (! $course = get_record("course", "id", $forum->course)) {
  39             error("Forum is misconfigured - don't know what course it's from");
  40         }
  41
  42         $strforums = get_string("modulenameplural", "forum");
  43         $strforum = get_string("modulename", "forum");
  44
  45         if (!$cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) {
  46             error("Course Module missing");
  47         }
  48
  49         $buttontext = update_module_button($cm->id, $course->id, $strforum);
  50
  51     } else {
  52         error('Must specify a course module or a forum ID');
  53     }
  54
  55     if (!$buttontext) {
  56         $buttontext = forum_search_form($course, $search);
  57     }
  58
  59
  60     require_course_login($course, true, $cm);
  61     $context = get_context_instance(CONTEXT_MODULE, $cm->id);
  62
  63
  64 /// Print header.
  65     $navigation = build_navigation('', $cm);
  66     print_header_simple(format_string($forum->name), "",
  67                  $navigation, "", "", true, $buttontext, navmenu($course, $cm));
  68
  69 /// Some capability checks.
  70     if (empty($cm->visible) and !has_capability('moodle/course:viewhiddenactivities', $context)) {
  71         notice(get_string("activityiscurrentlyhidden"));
  72     }
  73
  74     if (!has_capability('mod/forum:viewdiscussion', $context)) {
  75         notice(get_string('noviewdiscussionspermission', 'forum'));
  76     }
  77
  78 /// find out current groups mode
  79     groups_print_activity_menu($cm, 'view.php?id=' . $cm->id);
  80     $currentgroup = groups_get_activity_group($cm);
  81     $groupmode = groups_get_activity_groupmode($cm);
  82
  83 /// Okay, we can show the discussions. Log the forum view.
  84     if ($cm->id) {
  85         add_to_log($course->id, "forum", "view forum", "view.php?id=$cm->id", "$forum->id", $cm->id);
  86     } else {
  87         add_to_log($course->id, "forum", "view forum", "view.php?f=$forum->id", "$forum->id");
  88     }
  89
  90
  91
  92 /// Print settings and things across the top
  93
  94     // If it's a simple single discussion forum, we need to print the display
  95     // mode control.
  96     if ($forum->type == 'single') {
  97         if (! $discussion = get_record("forum_discussions", "forum", $forum->id)) {
  98             if ($discussions = get_records("forum_discussions", "forum", $forum->id, "timemodified ASC")) {
  99                 $discussion = array_pop($discussions);
 100             }
 101         }
 102         if ($discussion) {
 103             if ($mode) {
 104                 set_user_preference("forum_displaymode", $mode);
 105             }
 106             $displaymode = get_user_preferences("forum_displaymode", $CFG->forum_displaymode);
 107             forum_print_mode_form($forum->id, $displaymode, $forum->type);
 108         }
 109     }
 110
 111
 112 //    print_box_start('forumcontrol clearfix');
 113
 114 //    print_box_start('subscription clearfix');
 115     echo '<div class="subscription">';
 116
 117     if (!empty($USER->id) && !has_capability('moodle/legacy:guest', $context, NULL, false)) {
 118         $SESSION->fromdiscussion = "$FULLME";
 119         if (forum_is_forcesubscribed($forum)) {
 120             $streveryoneisnowsubscribed = get_string('everyoneisnowsubscribed', 'forum');
 121             $strallowchoice = get_string('allowchoice', 'forum');
 122             echo '<span class="helplink">' . get_string("forcessubscribe", 'forum') . '</span><br />';
 123             helpbutton("subscription", $strallowchoice, "forum");
 124             echo '&nbsp;<span class="helplink">';
 125             if (has_capability('mod/forum:managesubscriptions', $context)) {
 126                 echo "<a title=\"$strallowchoice\" href=\"subscribe.php?id=$forum->id&amp;force=no\">$strallowchoice</a>";
 127             } else {
 128                 echo $streveryoneisnowsubscribed;
 129             }
 130             echo '</span><br />';
 131
 132         } else if ($forum->forcesubscribe == FORUM_DISALLOWSUBSCRIBE) {
 133             $strsubscriptionsoff = get_string('disallowsubscribe','forum');
 134             echo $strsubscriptionsoff;
 135             helpbutton("subscription", $strsubscriptionsoff, "forum");
 136         } else {
 137             $streveryonecannowchoose = get_string("everyonecannowchoose", "forum");
 138             $strforcesubscribe = get_string("forcesubscribe", "forum");
 139             $strshowsubscribers = get_string("showsubscribers", "forum");
 140             echo '<span class="helplink">' . get_string("allowsallsubscribe", 'forum') . '</span><br />';
 141             helpbutton("subscription", $strforcesubscribe, "forum");
 142             echo '&nbsp;';
 143
 144             if (has_capability('mod/forum:managesubscriptions', $context)) {
 145                 echo "<span class=\"helplink\"><a title=\"$strforcesubscribe\" href=\"subscribe.php?id=$forum->id&amp;force=yes\">$strforcesubscribe</a></span>";
 146             } else {
 147                 echo '<span class="helplink">'.$streveryonecannowchoose.'</span>';
 148             }
 149
 150             if(has_capability('mod/forum:viewsubscribers', $context)){
 151                 echo "<br />";
 152                 echo "<span class=\"helplink\"><a href=\"subscribers.php?id=$forum->id\">$strshowsubscribers</a></span>";
 153             }
 154
 155             echo '<div class="helplink" id="subscriptionlink">', forum_get_subscribe_link($forum, $context,
 156                     array('forcesubscribed' => '', 'cantsubscribe' => '')), '</div>';
 157         }
 158
 159         if (forum_tp_can_track_forums($forum)) {
 160             echo '<div class="helplink" id="trackinglink">'. forum_get_tracking_link($forum). '</div>';
 161         }
 162
 163     }
 164
 165     /// If rss are activated at site and forum level and this forum has rss defined, show link
 166     if (isset($CFG->enablerssfeeds) && isset($CFG->forum_enablerssfeeds) &&
 167         $CFG->enablerssfeeds && $CFG->forum_enablerssfeeds && $forum->rsstype and $forum->rssarticles) {
 168
 169         if ($forum->rsstype == 1) {
 170             $tooltiptext = get_string("rsssubscriberssdiscussions","forum",format_string($forum->name));
 171         } else {
 172             $tooltiptext = get_string("rsssubscriberssposts","forum",format_string($forum->name));
 173         }
 174         if (empty($USER->id)) {
 175             $userid = 0;
 176         } else {
 177             $userid = $USER->id;
 178         }
 179 //        print_box_start('rsslink');
 180         echo '<span class="wrap rsslink">';
 181         rss_print_link($course->id, $userid, "forum", $forum->id, $tooltiptext);
 182         echo '</span>';
 183 //        print_box_end(); // subscription
 184
 185     }
 186 //    print_box_end(); // subscription
 187     echo '</div>';
 188
 189 //    print_box_end();  // forumcontrol
 190
 191 //    print_box('&nbsp;', 'clearer');
 192
 193
 194     if (!empty($forum->blockafter) && !empty($forum->blockperiod)) {
 195         $a->blockafter = $forum->blockafter;
 196         $a->blockperiod = get_string('secondstotime'.$forum->blockperiod);
 197         notify(get_string('thisforumisthrottled','forum',$a));
 198     }
 199
 200     if ($forum->type == 'qanda' && !has_capability('moodle/course:manageactivities', $context)) {
 201         notify(get_string('qandanotify','forum'));
 202     }
 203
 204     $forum->intro = trim($forum->intro);
 205
 206     switch ($forum->type) {
 207         case 'single':
 208             if (! $discussion = get_record("forum_discussions", "forum", $forum->id)) {
 209                 if ($discussions = get_records("forum_discussions", "forum", $forum->id, "timemodified ASC")) {
 210                     notify("Warning! There is more than one discussion in this forum - using the most recent");
 211                     $discussion = array_pop($discussions);
 212                 } else {
 213                     error("Could not find the discussion in this forum");
 214                 }
 215             }
 216             if (! $post = forum_get_post_full($discussion->firstpost)) {
 217                 error("Could not find the first post in this forum");
 218             }
 219             if ($mode) {
 220                 set_user_preference("forum_displaymode", $mode);
 221             }
 222
 223             $canreply    = forum_user_can_post($forum, $discussion, $USER, $cm, $course, $context);
 224             $canrate     = has_capability('mod/forum:rate', $context);
 225             $displaymode = get_user_preferences("forum_displaymode", $CFG->forum_displaymode);
 226
 227             echo '&nbsp;'; // this should fix the floating in FF
 228             forum_print_discussion($course, $cm, $forum, $discussion, $post, $displaymode, $canreply, $canrate);
 229             break;
 230
 231         case 'eachuser':
 232             if (!empty($forum->intro)) {
 233                 print_box(format_text($forum->intro), 'generalbox', 'intro');
 234             }
 235             echo '<p align="center">';
 236             if (forum_user_can_post_discussion($forum, null, -1, $cm)) {
 237                 print_string("allowsdiscussions", "forum");
 238             } else {
 239                 echo '&nbsp;';
 240             }
 241             echo '</p>';
 242             if (!empty($showall)) {
 243                 forum_print_latest_discussions($course, $forum, 0, 'header', '', -1, -1, -1, 0, $cm);
 244             } else {
 245                 forum_print_latest_discussions($course, $forum, -1, 'header', '', -1, -1, $page, $CFG->forum_manydiscussions, $cm);
 246             }
 247             break;
 248
 249         case 'teacher':
 250             if (!empty($showall)) {
 251                 forum_print_latest_discussions($course, $forum, 0, 'header', '', -1, -1, -1, 0, $cm);
 252             } else {
 253                 forum_print_latest_discussions($course, $forum, -1, 'header', '', -1, -1, $page, $CFG->forum_manydiscussions, $cm);
 254             }
 255             break;
 256
 257         default:
 258             if (!empty($forum->intro)) {
 259                 print_box(format_text($forum->intro), 'generalbox', 'intro');
 260             }
 261             echo '<br />';
 262             if (!empty($showall)) {
 263                 forum_print_latest_discussions($course, $forum, 0, 'header', '', -1, -1, -1, 0, $cm);
 264             } else {
 265                 forum_print_latest_discussions($course, $forum, -1, 'header', '', -1, -1, $page, $CFG->forum_manydiscussions, $cm);
 266             }
 267
 268
 269             break;
 270     }
 271     print_footer($course);
 272
 273 ?>