mirrored from git://git.moodle.org/moodle.git
-
Notifications
You must be signed in to change notification settings - Fork 6.6k
/
mod.php
295 lines (230 loc) · 10.2 KB
/
mod.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
<?PHP // $Id$
// Moves, adds, updates or deletes modules in a course
require("../config.php");
require("lib.php");
if (isset($cancel)) {
if ($SESSION->returnpage) {
$return = $SESSION->returnpage;
unset($SESSION->returnpage);
save_session("SESSION");
redirect($return);
} else {
redirect("view.php?id=$mod->course");
}
}
if (isset($course) && isset($HTTP_POST_VARS)) { // add or update form submitted
if (isset($SESSION->modform)) { // Variables are stored in the session
$mod = $SESSION->modform;
unset($SESSION->modform);
save_session("SESSION");
} else {
$mod = (object)$HTTP_POST_VARS;
}
require_login($mod->course);
if (!isteacher($mod->course)) {
error("You can't modify this course!");
}
$modlib = "../mod/$mod->modulename/lib.php";
if (file_exists($modlib)) {
include($modlib);
} else {
error("This module is missing important code! ($modlib)");
}
$addinstancefunction = $mod->modulename."_add_instance";
$updateinstancefunction = $mod->modulename."_update_instance";
$deleteinstancefunction = $mod->modulename."_delete_instance";
switch ($mod->mode) {
case "update":
if (! $updateinstancefunction($mod)) {
error("Could not update the $mod->modulename");
}
add_to_log($mod->course, "course", "update mod", "../mod/$mod->modulename/view.php?id=$mod->coursemodule", "$mod->modulename $mod->instance");
break;
case "add":
if (! $mod->instance = $addinstancefunction($mod)) {
error("Could not add a new instance of $mod->modulename");
}
// course_modules and course_sections each contain a reference
// to each other, so we have to update one of them twice.
if (! $mod->coursemodule = add_course_module($mod) ) {
error("Could not add a new course module");
}
if (! $sectionid = add_mod_to_section($mod) ) {
error("Could not add the new course module to that section");
}
if (! set_field("course_modules", "section", $sectionid, "id", $mod->coursemodule)) {
error("Could not update the course module with the correct section");
}
add_to_log($mod->course, "course", "add mod", "../mod/$mod->modulename/view.php?id=$mod->coursemodule", "$mod->modulename $mod->instance");
break;
case "delete":
if (! $deleteinstancefunction($mod->instance)) {
notify("Could not delete the $mod->modulename (instance)");
}
if (! delete_course_module($mod->coursemodule)) {
notify("Could not delete the $mod->modulename (coursemodule)");
}
if (! delete_mod_from_section($mod->coursemodule, "$mod->section")) {
notify("Could not delete the $mod->modulename from that section");
}
add_to_log($mod->course, "course", "delete mod", "view.php?id=$mod->course", "$mod->modulename $mod->instance");
break;
default:
error("No mode defined");
}
$modinfo = serialize(get_array_of_activities($mod->course));
if (!set_field("course", "modinfo", $modinfo, "id", $mod->course)) {
error("Could not cache module information!");
}
if ($SESSION->returnpage) {
$return = $SESSION->returnpage;
unset($SESSION->returnpage);
save_session("SESSION");
redirect($return);
} else {
redirect("view.php?id=$mod->course");
}
exit;
}
if (isset($move)) {
require_variable($id);
if (! $cm = get_record("course_modules", "id", $id)) {
error("This course module doesn't exist");
}
move_module($cm, $move);
$modinfo = serialize(get_array_of_activities($cm->course));
if (!set_field("course", "modinfo", $modinfo, "id", $cm->course)) {
error("Could not cache module information!");
}
redirect($HTTP_REFERER);
exit;
} else if (isset($delete)) { // value = course module
if (! $cm = get_record("course_modules", "id", $delete)) {
error("This course module doesn't exist");
}
if (! $course = get_record("course", "id", $cm->course)) {
error("This course doesn't exist");
}
require_login($course->id);
if (!isteacher($course->id)) {
error("You can't modify this course!");
}
if (! $module = get_record("modules", "id", $cm->module)) {
error("This module doesn't exist");
}
if (! $instance = get_record($module->name, "id", $cm->instance)) {
// Delete this module from the course right away
if (! delete_course_module($cm->id)) {
notify("Could not delete the $module->name (coursemodule)");
}
if (! delete_mod_from_section($cm->id, $cm->section)) {
notify("Could not delete the $module->name from that section");
}
error("The required instance of this module didn't exist. Module deleted.",
"$CFG->wwwroot/course/view.php?id=$course->id");
}
$fullmodulename = strtolower(get_string("modulename", $module->name));
$form->coursemodule = $cm->id;
$form->section = $cm->section;
$form->course = $cm->course;
$form->instance = $cm->instance;
$form->modulename = $module->name;
$form->fullmodulename = $fullmodulename;
$form->instancename = $instance->name;
include("mod_delete.html");
exit;
} else if (isset($update)) { // value = course module
if (! $cm = get_record("course_modules", "id", $update)) {
error("This course module doesn't exist");
}
if (! $course = get_record("course", "id", $cm->course)) {
error("This course doesn't exist");
}
if (! $module = get_record("modules", "id", $cm->module)) {
error("This module doesn't exist");
}
if (! $form = get_record($module->name, "id", $cm->instance)) {
error("The required instance of this module doesn't exist");
}
if (! $cw = get_record("course_sections", "id", $cm->section)) {
error("This course section doesn't exist");
}
if (isset($return)) {
$SESSION->returnpage = "$CFG->wwwroot/mod/$module->name/view.php?id=$cm->id";
save_session("SESSION");
}
$form->coursemodule = $cm->id;
$form->section = $cm->section; // The section ID
$form->course = $course->id;
$form->module = $module->id;
$form->modulename = $module->name;
$form->instance = $cm->instance;
$form->mode = "update";
$sectionname = get_string("name$course->format");
$fullmodulename = strtolower(get_string("modulename", $module->name));
if ($form->section) {
$heading->what = $fullmodulename;
$heading->in = "$sectionname $cw->section";
$pageheading = get_string("updatingain", "moodle", $heading);
} else {
$pageheading = get_string("updatinga", "moodle", $fullmodulename);
}
} else if (isset($add)) {
if (!$add) {
redirect($HTTP_REFERER);
die;
}
require_variable($id);
require_variable($section);
if (! $course = get_record("course", "id", $id)) {
error("This course doesn't exist");
}
if (! $module = get_record("modules", "name", $add)) {
error("This module type doesn't exist");
}
$form->section = $section; // The section number itself
$form->course = $course->id;
$form->module = $module->id;
$form->modulename = $module->name;
$form->instance = $cm->instance;
$form->mode = "add";
$sectionname = get_string("name$course->format");
$fullmodulename = strtolower(get_string("modulename", $module->name));
if ($form->section) {
$heading->what = $fullmodulename;
$heading->to = "$sectionname $form->section";
$pageheading = get_string("addinganewto", "moodle", $heading);
} else {
$pageheading = get_string("addinganew", "moodle", $fullmodulename);
}
} else {
error("No action was specfied");
}
require_login($course->id);
if (!isteacher($course->id)) {
error("You can't modify this course!");
}
$streditinga = get_string("editinga", "moodle", $fullmodulename);
$strmodulenameplural = get_string("modulenameplural", $module->name);
if ($course->category) {
print_header("$course->shortname: $streditinga", "$course->fullname",
"<A HREF=\"$CFG->wwwroot/course/view.php?id=$course->id\">$course->shortname</A> ->
<A HREF=\"$CFG->wwwroot/mod/$module->name/index.php?id=$course->id\">$strmodulenameplural</A> ->
$streditinga", "form.name", "", false);
} else {
print_header("$course->shortname: $streditinga", "$course->fullname",
"$streditinga", "form.name", "", false);
}
unset($SESSION->modform); // Clear any old ones that may be hanging around.
save_session("SESSION");
$modform = "../mod/$module->name/mod.html";
if (file_exists($modform)) {
print_heading($pageheading);
print_simple_box_start("center", "", "$THEME->cellheading");
include($modform);
print_simple_box_end();
} else {
notice("This module cannot be added to this course yet!", "$CFG->wwwroot/course/view.php?id=$course->id");
}
print_footer($course);
?>