Bugfixes to set_user_preference
[moodle.git] / mod / forum / discuss.php
CommitLineData
501cdbd8 1<?PHP // $Id$
2
3// Displays a post, and all the posts below it.
4// If no post is given, displays all posts in a discussion
5
b0e3a925 6 require_once("../../config.php");
7 require_once("lib.php");
501cdbd8 8
9 require_variable($d); // Discussion ID
10 optional_variable($parent); // If set, then display this post and all children.
11 optional_variable($mode); // If set, changes the layout of the thread
1fc49f00 12 optional_variable($move); // If set, moves this discussion to another forum
501cdbd8 13
14 if (! $discussion = get_record("forum_discussions", "id", $d)) {
94361e02 15 error("Discussion ID was incorrect or no longer exists");
501cdbd8 16 }
17
18 if (! $course = get_record("course", "id", $discussion->course)) {
19 error("Course ID is incorrect - discussion is faulty");
20 }
21
1fc49f00 22 if ($course->category) {
23 require_login($course->id);
24 }
25
26 if (!empty($move)) {
27 if (!isteacher($course->id)) {
28 error("Only teachers can do that!");
29 }
30 if ($forum = get_record("forum", "id", $move)) {
cc2b7ea5 31 if (!forum_move_attachments($discussion, $move)) {
32 notify("Errors occurred while moving attachment directories - check your file permissions");
33 }
1fc49f00 34 set_field("forum_discussions", "forum", $forum->id, "id", $discussion->id);
35 $discussion->forum = $forum->id;
36 add_to_log($course->id, "forum", "move discussion", "discuss.php?d=$discussion->id", "$discussion->id");
8de14dc7 37 $discussionmoved = true;
1fc49f00 38 } else {
39 error("You can't move to that forum - it doesn't exist!");
40 }
41 }
42
43 if (empty($forum)) {
44 if (! $forum = get_record("forum", "id", $discussion->forum)) {
45 notify("Bad forum ID stored in this discussion");
46 }
501cdbd8 47 }
48
dfc9ba9b 49 if (!$cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) {
b20f74c9 50 //notify("Bad coursemodule for this discussion"); // Only affects navmenu
dfc9ba9b 51 }
52
1fc49f00 53 $logparameters = "d=$discussion->id";
54 if ($parent) {
55 $logparameters .= "&parent=$parent";
501cdbd8 56 }
1fc49f00 57 add_to_log($course->id, "forum", "view discussion", "discuss.php?$logparameters", "$discussion->id");
501cdbd8 58
59 unset($SESSION->fromdiscussion);
60
61 forum_set_display_mode($mode);
62
e92ea3d8 63 $displaymode = $USER->mode;
501cdbd8 64
e92ea3d8 65 if ($parent) {
66 if (abs($USER->mode) == 1) { // If flat AND parent, then force nested display this time
67 $displaymode = 3;
68 }
69 } else {
501cdbd8 70 $parent = $discussion->firstpost;
71 $navtail = "$discussion->name";
72 }
73
11b0c469 74 if (! $post = forum_get_post_full($parent)) {
501cdbd8 75 error("Discussion no longer exists", "$CFG->wwwroot/mod/forum/view.php?f=$forum->id");
76 }
77
61e96406 78 if (empty($navtail)) {
501cdbd8 79 $navtail = "<A HREF=\"discuss.php?d=$discussion->id\">$discussion->name</A> -> $post->subject";
80 }
81
f781b794 82 $navmiddle = "<A HREF=\"../forum/index.php?id=$course->id\">".get_string("forums", "forum")."</A> -> <A HREF=\"../forum/view.php?f=$forum->id\">$forum->name</A>";
501cdbd8 83
9c9f7d77 84 $searchform = forum_print_search_form($course, "", true, "plain");
97485d07 85
501cdbd8 86 if ($course->category) {
87 print_header("$course->shortname: $discussion->name", "$course->fullname",
88 "<A HREF=../../course/view.php?id=$course->id>$course->shortname</A> ->
97485d07 89 $navmiddle -> $navtail", "", "", true, $searchform, navmenu($course, $cm));
501cdbd8 90 } else {
91 print_header("$course->shortname: $discussion->name", "$course->fullname",
97485d07 92 "$navmiddle -> $navtail", "", "", true, $searchform, navmenu($course, $cm));
501cdbd8 93 }
94
c6d691dc 95
9197e147 96/// Check to see if groups are being used in this forum
97/// If so, make sure the current person is allowed to see this discussion
c6d691dc 98/// Also, if we know they should be able to reply, then explicitly set $canreply
99
100 $canreply = NULL; /// No override one way or the other
9197e147 101
102 $groupmode = groupmode($course, $cm);
103
c6d691dc 104 if ($groupmode and !isteacheredit($course->id)) { // Groups must be kept separate
c6d691dc 105 if ($groupmode == SEPARATEGROUPS) {
106 require_login();
107
02509fe6 108 if (mygroupid($course->id) == $discussion->groupid) {
c6d691dc 109 $canreply = true;
110 } else {
111 print_heading("Sorry, you can't see this discussion because you are not in this group");
112 print_footer();
113 die;
114 }
115
116 } else if ($groupmode == VISIBLEGROUPS) {
02509fe6 117 $canreply = (mygroupid($course->id) == $discussion->groupid);
9197e147 118 }
119 }
120
121
c6d691dc 122/// Print the controls across the top
123
124 echo "<table width=\"100%\"><tr><td width=\"33%\">";
125
126 if ($groupmode == VISIBLEGROUPS or ($groupmode and isteacheredit($course->id))) {
127 if ($groups = get_records_menu("groups", "courseid", $course->id, "name ASC", "id,name")) {
128
129 echo '<table><tr><td>';
130 if ($groupmode == VISIBLEGROUPS) {
131 print_string('groupsvisible');
132 } else {
133 print_string('groupsseparate');
134 }
135 echo ':';
136 echo '</td><td nowrap="nowrap" align="left" width="50%">';
a7f5bf85 137 popup_form("view.php?id=$cm->id&group=", $groups, 'selectgroup',
138 $discussion->groupid, "", "", "", false, "self");
c6d691dc 139 echo '</tr></table>';
140
141 echo '</td>';
142 }
143 }
144
145 echo "</td><td width=\"33%\">";
ec9c0d44 146 forum_print_mode_form($discussion->id, $displaymode);
c6d691dc 147
02ebf404 148 echo "</td><td width=\"33%\">";
1fc49f00 149 if (isteacher($course->id)) { // Popup menu to allow discussions to be moved to other forums
cccb016a 150 if ($forums = get_all_instances_in_course("forum", $course)) {
1fc49f00 151 foreach ($forums as $courseforum) {
152 if ($courseforum->id != $forum->id) {
153 $url = "discuss.php?d=$discussion->id&move=$courseforum->id";
154 $forummenu[$url] = $courseforum->name;
155 }
156 }
157 if (!empty($forummenu)) {
158 echo "<div align=\"right\">";
159 echo popup_form("$CFG->wwwroot/mod/forum/", $forummenu, "forummenu", "",
160 get_string("movethisdiscussionto", "forum"), "", "", true);
161 echo "</div>";
162 }
163 }
164 }
02ebf404 165 echo "</td></tr></table>";
1fc49f00 166
8de14dc7 167 if (isset($discussionmoved)) {
168 notify(get_string("discussionmoved", "forum", $forum->name));
169 }
170
c6d691dc 171
172/// Print the actual discussion
173
174 forum_print_discussion($course, $forum, $discussion, $post, $displaymode, $canreply);
175
501cdbd8 176
177 print_footer($course);
178
179?>