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1 | <?php // $Id$ |
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2 | |
3 | // Displays a post, and all the posts below it. |
4 | // If no post is given, displays all posts in a discussion |
5 | |
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6 | require_once("../../config.php"); |
7 | require_once("lib.php"); |
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8 | |
9 | require_variable($d); // Discussion ID |
10 | optional_variable($parent); // If set, then display this post and all children. |
11 | optional_variable($mode); // If set, changes the layout of the thread |
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12 | optional_variable($move); // If set, moves this discussion to another forum |
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13 | optional_variable($mark); // Used for tracking read posts if user initiated. |
14 | optional_variable($postid); // Used for tracking read posts if user initiated. |
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15 | |
16 | if (! $discussion = get_record("forum_discussions", "id", $d)) { |
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17 | error("Discussion ID was incorrect or no longer exists"); |
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18 | } |
19 | |
20 | if (! $course = get_record("course", "id", $discussion->course)) { |
21 | error("Course ID is incorrect - discussion is faulty"); |
22 | } |
23 | |
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24 | if (! $cm = get_coursemodule_from_instance("forum", $discussion->forum, $course->id)) { |
25 | error("Course Module ID was incorrect"); |
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26 | } |
27 | |
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28 | require_course_login($course, false, $cm); |
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29 | |
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30 | if (!empty($move)) { |
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31 | if (!isteacher($course->id)) { |
32 | error("Only teachers can do that!"); |
33 | } |
34 | if ($forum = get_record("forum", "id", $move)) { |
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35 | if (!forum_move_attachments($discussion, $move)) { |
36 | notify("Errors occurred while moving attachment directories - check your file permissions"); |
37 | } |
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38 | set_field("forum_discussions", "forum", $forum->id, "id", $discussion->id); |
39 | $discussion->forum = $forum->id; |
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40 | if ($cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) { |
41 | add_to_log($course->id, "forum", "move discussion", "discuss.php?d=$discussion->id", "$discussion->id", |
42 | $cm->id); |
43 | } else { |
44 | add_to_log($course->id, "forum", "move discussion", "discuss.php?d=$discussion->id", "$discussion->id"); |
45 | } |
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46 | $discussionmoved = true; |
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47 | } else { |
48 | error("You can't move to that forum - it doesn't exist!"); |
49 | } |
50 | } |
51 | |
52 | if (empty($forum)) { |
53 | if (! $forum = get_record("forum", "id", $discussion->forum)) { |
54 | notify("Bad forum ID stored in this discussion"); |
55 | } |
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56 | } |
57 | |
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58 | if ($forum->type == "teacher") { |
59 | if (!isteacher($course->id)) { |
60 | error("You must be a $course->teacher to view this forum"); |
61 | } |
62 | } |
63 | |
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64 | $logparameters = "d=$discussion->id"; |
65 | if ($parent) { |
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66 | $logparameters .= "&parent=$parent"; |
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67 | } |
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68 | |
69 | if ($cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) { |
70 | add_to_log($course->id, "forum", "view discussion", "discuss.php?$logparameters", "$discussion->id", $cm->id); |
71 | } else { |
72 | add_to_log($course->id, "forum", "view discussion", "discuss.php?$logparameters", "$discussion->id"); |
73 | } |
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74 | |
75 | unset($SESSION->fromdiscussion); |
76 | |
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77 | if ($mode) { |
78 | set_user_preference("forum_displaymode", $mode); |
79 | } |
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80 | |
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81 | $displaymode = get_user_preferences("forum_displaymode", $CFG->forum_displaymode); |
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82 | |
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83 | if ($parent) { |
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84 | if (abs($displaymode) == 1) { // If flat AND parent, then force nested display this time |
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85 | $displaymode = 3; |
86 | } |
87 | } else { |
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88 | $parent = $discussion->firstpost; |
89 | $navtail = "$discussion->name"; |
90 | } |
91 | |
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92 | if (! $post = forum_get_post_full($parent)) { |
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93 | error("Discussion no longer exists", "$CFG->wwwroot/mod/forum/view.php?f=$forum->id"); |
94 | } |
95 | |
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96 | if ($CFG->forum_trackreadposts && $CFG->forum_usermarksread) { |
97 | if ($mark == 'read') { |
98 | forum_tp_add_read_record($USER->id, $postid, $discussion->id, $forum->id); |
99 | } else if ($mark == 'unread') { |
100 | forum_tp_delete_read_records($USER->id, $postid); |
101 | } |
102 | } |
103 | |
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104 | if (empty($navtail)) { |
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105 | $navtail = "<a href=\"discuss.php?d=$discussion->id\">$discussion->name</a> -> $post->subject"; |
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106 | } |
107 | |
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108 | $navmiddle = "<a href=\"../forum/index.php?id=$course->id\">".get_string("forums", "forum")."</a> -> <a href=\"../forum/view.php?f=$forum->id\">$forum->name</a>"; |
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109 | |
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110 | $searchform = forum_print_search_form($course, "", true, "navbar"); |
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111 | |
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112 | if ($course->category) { |
113 | print_header("$course->shortname: $discussion->name", "$course->fullname", |
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114 | "<a href=\"../../course/view.php?id=$course->id\">$course->shortname</a> -> |
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115 | $navmiddle -> $navtail", "", "", true, $searchform, navmenu($course, $cm)); |
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116 | } else { |
117 | print_header("$course->shortname: $discussion->name", "$course->fullname", |
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118 | "$navmiddle -> $navtail", "", "", true, $searchform, navmenu($course, $cm)); |
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119 | } |
120 | |
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121 | echo '<div id="forum-discuss" class="forum">'; // forum-discuss wrapper start |
122 | |
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123 | |
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124 | /// Check to see if groups are being used in this forum |
125 | /// If so, make sure the current person is allowed to see this discussion |
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126 | /// Also, if we know they should be able to reply, then explicitly set $canreply |
127 | |
128 | $canreply = NULL; /// No override one way or the other |
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129 | |
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130 | if ($forum->type == "teacher") { |
131 | $groupmode = NOGROUPS; |
132 | } else { |
133 | $groupmode = groupmode($course, $cm); |
134 | } |
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135 | |
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136 | if ($groupmode and !isteacheredit($course->id)) { // Groups must be kept separate |
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137 | if ($groupmode == SEPARATEGROUPS) { |
138 | require_login(); |
139 | |
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140 | if (mygroupid($course->id) == $discussion->groupid) { |
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141 | $canreply = true; |
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142 | } elseif ($discussion->groupid == -1) { |
143 | $canreply = false; |
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144 | } else { |
145 | print_heading("Sorry, you can't see this discussion because you are not in this group"); |
146 | print_footer(); |
147 | die; |
148 | } |
149 | |
150 | } else if ($groupmode == VISIBLEGROUPS) { |
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151 | $canreply = (mygroupid($course->id) == $discussion->groupid); |
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152 | } |
153 | } |
154 | |
155 | |
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156 | /// Print the controls across the top |
157 | |
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158 | echo '<table width="100%"><tr><td width="33%">'; |
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159 | |
160 | if ($groupmode == VISIBLEGROUPS or ($groupmode and isteacheredit($course->id))) { |
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161 | if ($groups = get_records_menu('groups', 'courseid', $course->id, 'name ASC', 'id,name')) { |
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162 | print_group_menu($groups, $groupmode, $discussion->groupid, "view.php?id=$cm->id&group="); |
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163 | } |
164 | } |
165 | |
166 | echo "</td><td width=\"33%\">"; |
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167 | forum_print_mode_form($discussion->id, $displaymode); |
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168 | |
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169 | echo "</td><td width=\"33%\">"; |
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170 | if (isteacher($course->id)) { // Popup menu to allow discussions to be moved to other forums |
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171 | if ($forums = get_all_instances_in_course("forum", $course)) { |
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172 | if ($course->format == 'weeks') { |
173 | $strsection = get_string("week"); |
174 | } else { |
175 | $strsection = get_string("topic"); |
176 | } |
177 | $section = -1; |
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178 | foreach ($forums as $courseforum) { |
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179 | if (!empty($courseforum->section) and $section != $courseforum->section) { |
180 | $forummenu[] = "-------------- $strsection $courseforum->section --------------"; |
181 | } |
182 | $section = $courseforum->section; |
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183 | if ($courseforum->id != $forum->id) { |
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184 | $url = "discuss.php?d=$discussion->id&move=$courseforum->id"; |
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185 | $forummenu[$url] = $courseforum->name; |
186 | } |
187 | } |
188 | if (!empty($forummenu)) { |
189 | echo "<div align=\"right\">"; |
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190 | echo popup_form("$CFG->wwwroot/mod/forum/", $forummenu, "forummenu", "", |
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191 | get_string("movethisdiscussionto", "forum"), "", "", true); |
192 | echo "</div>"; |
193 | } |
194 | } |
195 | } |
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196 | echo "</td></tr></table>"; |
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197 | |
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198 | if (isset($discussionmoved)) { |
199 | notify(get_string("discussionmoved", "forum", $forum->name)); |
200 | } |
201 | |
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202 | |
203 | /// Print the actual discussion |
204 | |
205 | forum_print_discussion($course, $forum, $discussion, $post, $displaymode, $canreply); |
206 | |
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207 | echo '</div>'; // forum-discuss wrapper end |
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208 | |
209 | print_footer($course); |
210 | |
211 | ?> |