mirrored from git://git.moodle.org/moodle.git
-
Notifications
You must be signed in to change notification settings - Fork 6.6k
/
category.php
434 lines (358 loc) · 18.2 KB
/
category.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
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
<?PHP // $Id$
// Displays the top level category or all courses
// In editing mode, allows the admin to edit a category,
// and rearrange courses
require_once("../config.php");
require_once("lib.php");
require_variable($id); // Category id
optional_variable($page, "0"); // which page to show
optional_variable($perpage, "20"); // how many per page
if (!$site = get_site()) {
error("Site isn't defined!");
}
if ($CFG->forcelogin) {
require_login();
}
if (!$category = get_record("course_categories", "id", $id)) {
error("Category not known!");
}
if (iscreator()) {
if (isset($_GET['edit']) and confirm_sesskey()) {
if ($edit == "on") {
$USER->categoryediting = true;
} else if ($edit == "off") {
$USER->categoryediting = false;
}
}
$navbaritem = update_category_button($category->id);
$creatorediting = !empty($USER->categoryediting);
$adminediting = (isadmin() and $creatorediting);
} else {
if (!$category->visible) {
error(get_string('notavailable', 'error'));
}
$navbaritem = print_course_search("", true, "navbar");
$adminediting = false;
$creatorediting = false;
}
if (isadmin()) {
/// Rename the category if requested
if (!empty($_POST['rename']) and confirm_sesskey()) {
$category->name = $_POST['rename'];
if (! set_field("course_categories", "name", $category->name, "id", $category->id)) {
notify("An error occurred while renaming the category");
}
}
/// Resort the category if requested
if (!empty($_GET['resort']) and confirm_sesskey()) {
if ($courses = get_courses($category->id, "fullname ASC", 'c.id,c.fullname,c.sortorder')) {
// move it off the range
$count = get_record_sql('SELECT MAX(sortorder) AS max, 1
FROM ' . $CFG->prefix . 'course WHERE category=' . $category->id);
$count = $count->max + 100;
begin_sql();
foreach ($courses as $course) {
set_field('course', 'sortorder', $count, 'id', $course->id);
$count++;
}
commit_sql();
fix_course_sortorder($category->id);
}
}
}
/// Print headings
$numcategories = count_records("course_categories");
$stradministration = get_string("administration");
$strcategories = get_string("categories");
$strcategory = get_string("category");
$strcourses = get_string("courses");
if ($creatorediting) {
if ($adminediting) {
print_header("$site->shortname: $category->name", "$site->fullname: $strcourses",
"<a href=\"../$CFG->admin/index.php\">$stradministration</a> -> ".
"<a href=\"index.php\">$strcategories</a> -> $category->name",
"", "", true, $navbaritem);
} else {
print_header("$site->shortname: $category->name", "$site->fullname: $strcourses",
"<a href=\"index.php\">$strcategories</a> -> $category->name", "", "", true, $navbaritem);
}
} else {
print_header("$site->shortname: $category->name", "$site->fullname: $strcourses",
"<a href=\"index.php\">$strcategories</a> -> $category->name", "", "", true, $navbaritem);
}
/// Print the category selector
$displaylist = array();
$parentlist = array();
make_categories_list($displaylist, $parentlist, "");
echo "<table align=center><tr><td align=\"right\">";
echo "<p>$strcategories:</p>";
echo "</td><td>";
popup_form("category.php?id=", $displaylist, "switchcategory", "$category->id", "", "", "", false);
echo "</td></tr></table><br />";
/// Editing functions
if ($adminediting) {
/// Move a specified course to a new category
if (isset($moveto) and $data = data_submitted() and confirm_sesskey()) { // Some courses are being moved
if (! $destcategory = get_record("course_categories", "id", $data->moveto)) {
error("Error finding the category");
}
unset($data->moveto);
unset($data->id);
unset($data->sesskey);
if ($data) {
foreach ($data as $code => $junk) {
$courseid = substr($code, 1);
if (! $course = get_record("course", "id", $courseid)) {
notify("Error finding course $courseid");
} else {
// figure out a sortorder that we can use in the destination category
$sortorder = get_field_sql('SELECT MIN(sortorder)-1 AS min
FROM ' . $CFG->prefix . 'course WHERE category=' . $destcategory->id);
if ($sortorder < 1) {
// rather than let the db default to 0
// set it to > 100 and avoid extra work in fix_coursesortorder()
$sortorder = 200;
}
$course->category = $destcategory->id;
$course->sortorder = $sortorder;
$course->fullname = addslashes($course->fullname);
$course->shortname = addslashes($course->shortname);
$course->summary = addslashes($course->summary);
$course->password = addslashes($course->password);
$course->teacher = addslashes($course->teacher);
$course->teachers = addslashes($course->teachers);
$course->student = addslashes($course->student);
$course->students = addslashes($course->students);
if (!update_record('course', $course)) {
notify("An error occurred - course not moved!");
}
fix_course_sortorder();
$category = get_record("course_categories", "id", $category->id);
}
}
}
}
/// Hide or show a course
if ((isset($hide) or isset($show)) and confirm_sesskey()) {
if (isset($hide)) {
$course = get_record("course", "id", $hide);
$visible = 0;
} else {
$course = get_record("course", "id", $show);
$visible = 1;
}
if ($course) {
if (! set_field("course", "visible", $visible, "id", $course->id)) {
notify("Could not update that course!");
}
}
}
/// Move a course up or down
if ((isset($moveup) or isset($movedown)) and confirm_sesskey()) {
$movecourse = NULL;
$swapcourse = NULL;
// ensure the course order has no gaps
// and isn't at 0
fix_course_sortorder($category->id);
// we are going to need to know the range
$max = get_record_sql('SELECT MAX(sortorder) AS max, 1
FROM ' . $CFG->prefix . 'course WHERE category=' . $category->id);
$max = $max->max + 100;
if (isset($moveup)) {
$movecourse = get_record('course', 'id', $moveup);
$swapcourse = get_record('course',
'category', $category->id,
'sortorder', $movecourse->sortorder - 1);
} else {
$movecourse = get_record('course', 'id', $movedown);
$swapcourse = get_record('course',
'category', $category->id,
'sortorder', $movecourse->sortorder + 1);
}
if ($swapcourse and $movecourse) { // Renumber everything for robustness
begin_sql();
if (!( set_field("course", "sortorder", $max, "id", $swapcourse->id)
&& set_field("course", "sortorder", $swapcourse->sortorder, "id", $movecourse->id)
&& set_field("course", "sortorder", $movecourse->sortorder, "id", $swapcourse->id)
)) {
notify("Could not update that course!");
}
commit_sql();
}
}
} // End of editing stuff
/// Print out all the sub-categories
if ($subcategories = get_records("course_categories", "parent", $category->id, "sortorder ASC")) {
$firstentry = true;
foreach ($subcategories as $subcategory) {
if ($subcategory->visible or iscreator()) {
if ($firstentry) {
echo "<table align=\"center\" border=0 cellspacing=2 cellpadding=4 class=\"generalbox\">";
echo "<tr><th>".get_string("subcategories")."</th></tr>";
echo "<tr><td nowrap>";
$firstentry = false;
}
$catlinkcss = $subcategory->visible ? "" : " class=\"dimmed\" ";
echo "<a $catlinkcss href=\"category.php?id=$subcategory->id\">$subcategory->name</a><br />";
}
}
if (!$firstentry) {
echo "</td></tr></table>";
echo "<br />";
}
}
/// Print out all the courses
unset($course); // To avoid unwanted language effects later
$courses = get_courses_page($category->id, 'c.sortorder ASC',
'c.id,c.sortorder,c.shortname,c.fullname,c.summary,c.visible,c.teacher,c.guest,c.password',
$totalcount, $page*$perpage, $perpage);
$numcourses = count($courses);
if (!$courses) {
print_heading(get_string("nocoursesyet"));
} else if ($numcourses <= COURSE_MAX_SUMMARIES_PER_PAGE and !$page and !$creatorediting) {
print_courses($category, "80%");
} else {
print_paging_bar($totalcount, $page, $perpage, "category.php?id=$category->id&perpage=$perpage&");
$strcourses = get_string("courses");
$strselect = get_string("select");
$stredit = get_string("edit");
$strdelete = get_string("delete");
$strbackup = get_string("backup");
$strrestore = get_string("restore");
$strmoveup = get_string("moveup");
$strmovedown = get_string("movedown");
$strupdate = get_string("update");
$strhide = get_string("hide");
$strshow = get_string("show");
$strsummary = get_string("summary");
$strsettings = get_string("settings");
$strassignteachers = get_string("assignteachers");
$strallowguests = get_string("allowguests");
$strrequireskey = get_string("requireskey");
if (empty($THEME->custompix)) {
$pixpath = "$CFG->wwwroot/pix";
} else {
$pixpath = "$CFG->wwwroot/theme/$CFG->theme/pix";
}
echo "<form name=\"movecourses\" action=\"category.php\" method=\"post\">";
echo "<input type=\"hidden\" name=\"sesskey\" value=\"$USER->sesskey\">";
echo "<table align=\"center\" border=0 cellspacing=2 cellpadding=4 class=\"generalbox\"><tr>";
echo "<th>$strcourses</th>";
if ($creatorediting) {
echo "<th>$stredit</th>";
if ($adminediting) {
echo "<th>$strselect</th>";
}
} else {
echo "<th> </th>";
}
echo "</tr>";
$count = 0;
$abletomovecourses = false; // for now
foreach ($courses as $acourse) {
$count++;
$up = ($count == 1) ? false : true;
$down = ($count == $numcourses) ? false : true;
$linkcss = $acourse->visible ? "" : " class=\"dimmed\" ";
echo "<tr>";
echo "<td><a $linkcss href=\"view.php?id=$acourse->id\">$acourse->fullname</a></td>";
if ($creatorediting) {
if ($adminediting) {
echo "<td>";
echo "<a title=\"$strsettings\" href=\"$CFG->wwwroot/course/edit.php?id=$acourse->id\"><img".
" src=\"$pixpath/t/edit.gif\" height=11 width=11 border=0></a> ";
echo "<a title=\"$strassignteachers\" href=\"$CFG->wwwroot/course/teacher.php?id=$acourse->id\"><img".
" src=\"$pixpath/t/user.gif\" height=11 width=11 border=0></a> ";
echo "<a title=\"$strdelete\" href=\"delete.php?id=$acourse->id\"><img".
" src=\"$pixpath/t/delete.gif\" height=11 width=11 border=0></a> ";
if (!empty($acourse->visible)) {
echo "<a title=\"$strhide\" href=\"category.php?id=$category->id&page=$page&hide=$acourse->id&sesskey=$USER->sesskey\"><img".
" src=\"$pixpath/t/hide.gif\" height=11 width=11 border=0></a> ";
} else {
echo "<a title=\"$strshow\" href=\"category.php?id=$category->id&page=$page&show=$acourse->id&sesskey=$USER->sesskey\"><img".
" src=\"$pixpath/t/show.gif\" height=11 width=11 border=0></a> ";
}
echo "<a title=\"$strbackup\" href=\"../backup/backup.php?id=$acourse->id\"><img".
" src=\"$pixpath/t/backup.gif\" height=11 width=11 border=0></a> ";
echo "<a title=\"$strrestore\" href=\"../files/index.php?id=$acourse->id&wdir=/backupdata\"><img".
" src=\"$pixpath/t/restore.gif\" height=11 width=11 border=0></a> ";
if ($up) {
echo "<a title=\"$strmoveup\" href=\"category.php?id=$category->id&page=$page&moveup=$acourse->id&sesskey=$USER->sesskey\"><img".
" src=\"$pixpath/t/up.gif\" height=11 width=11 border=0></a> ";
} else {
echo "<img src=\"$CFG->wwwroot/pix/spacer.gif\" height=11 width=11 border=0></a> ";
}
if ($down) {
echo "<a title=\"$strmovedown\" href=\"category.php?id=$category->id&page=$page&movedown=$acourse->id&sesskey=$USER->sesskey\"><img".
" src=\"$pixpath/t/down.gif\" height=11 width=11 border=0></a> ";
} else {
echo "<img src=\"$CFG->wwwroot/pix/spacer.gif\" height=11 width=11 border=0></a> ";
}
echo "</td>";
echo "<td align=\"center\">";
echo "<input type=\"checkbox\" name=\"c$acourse->id\">";
$abletomovecourses = true;
} else if (isteacheredit($acourse->id)) {
echo "<td>";
echo "<a title=\"$strsettings\" href=\"$CFG->wwwroot/course/edit.php?id=$acourse->id\"><img".
" src=\"$pixpath/t/edit.gif\" height=11 width=11 border=0></a> ";
echo "<a title=\"$strassignteachers\" href=\"$CFG->wwwroot/course/teacher.php?id=$acourse->id\"><img".
" src=\"$pixpath/t/user.gif\" height=11 width=11 border=0></a> ";
}
echo "</td>";
} else {
echo "<td align=\"right\">";
if (!empty($acourse->guest)) {
echo "<a href=\"view.php?id=$acourse->id\"><img hspace=2 title=\"$strallowguests\" alt=\"\" height=16 width=16 border=0 src=\"$pixpath/i/user.gif\"></a>";
}
if (!empty($acourse->password)) {
echo "<a href=\"view.php?id=$acourse->id\"><img hspace=2 title=\"$strrequireskey\" alt=\"\" height=16 width=16 border=0 src=\"$pixpath/i/key.gif\"></a>";
}
if (!empty($acourse->summary)) {
link_to_popup_window ("/course/info.php?id=$acourse->id", "courseinfo",
"<img hspace=2 alt=\"info\" height=16 width=16 border=0 src=\"$pixpath/i/info.gif\">",
400, 500, $strsummary);
}
echo "</td>";
}
echo "</tr>";
}
if ($abletomovecourses) {
echo "<tr><td colspan=3 align=right>";
echo "<br />";
unset($displaylist[$category->id]);
choose_from_menu ($displaylist, "moveto", "", get_string("moveselectedcoursesto"), "javascript:document.movecourses.submit()");
echo "<input type=\"hidden\" name=\"id\" value=\"$category->id\">";
echo "</td></tr>";
}
echo "</table>";
echo "</form>";
echo "<br />";
}
echo "<center>";
if (isadmin() and $numcourses > 1) { /// Print button to re-sort courses by name
unset($options);
$options["id"] = $category->id;
$options["resort"] = "name";
$options["sesskey"] = $USER->sesskey;
print_single_button("category.php", $options, get_string("resortcoursesbyname"), "get");
}
if (iscreator()) { /// Print button to create a new course
unset($options);
$options["category"] = $category->id;
print_single_button("edit.php", $options, get_string("addnewcourse"), "get");
echo "<br />";
}
if (isadmin()) { /// Print form to rename the category
$strrename= get_string("rename");
echo "<form name=\"renameform\" action=\"category.php\" method=\"post\">";
echo "<input type=\"hidden\" name=\"id\" value=\"$category->id\">";
echo "<input type=\"hidden\" name=\"sesskey\" value=\"$USER->sesskey\">";
echo "<input type=\"text\" size=30 name=\"rename\" value=\"".s($category->name)."\">";
echo "<input type=\"submit\" value=\"$strrename\">";
echo "</form>";
echo "<br />";
}
echo "</center>";
print_footer();
?>