3 // Moves, adds, updates, duplicates or deletes modules in a course
5 require("../config.php");
6 require_once("lib.php");
10 $sectionreturn = optional_param('sr', '', PARAM_INT
);
11 $add = optional_param('add','', PARAM_ALPHA
);
12 $type = optional_param('type', '', PARAM_ALPHA
);
13 $indent = optional_param('indent', 0, PARAM_INT
);
14 $update = optional_param('update', 0, PARAM_INT
);
15 $hide = optional_param('hide', 0, PARAM_INT
);
16 $show = optional_param('show', 0, PARAM_INT
);
17 $copy = optional_param('copy', 0, PARAM_INT
);
18 $moveto = optional_param('moveto', 0, PARAM_INT
);
19 $movetosection = optional_param('movetosection', 0, PARAM_INT
);
20 $delete = optional_param('delete', 0, PARAM_INT
);
21 $course = optional_param('course', 0, PARAM_INT
);
22 $groupmode = optional_param('groupmode', -1, PARAM_INT
);
23 $duplicate = optional_param('duplicate', 0, PARAM_INT
);
24 $cancel = optional_param('cancel', 0, PARAM_BOOL
);
25 $cancelcopy = optional_param('cancelcopy', 0, PARAM_BOOL
);
27 if (isset($SESSION->modform
)) { // Variables are stored in the session
28 $mod = $SESSION->modform
;
29 unset($SESSION->modform
);
31 $mod = (object)$_POST;
35 if (!empty($SESSION->returnpage
)) {
36 $return = $SESSION->returnpage
;
37 unset($SESSION->returnpage
);
40 redirect("view.php?id=$mod->course#section-$sectionreturn");
44 //check if we are adding / editing a module that has new forms using formslib
47 if (file_exists("../mod/$modname/mod_form.php")) {
48 $id = required_param('id', PARAM_INT
);
49 $section = required_param('section', PARAM_INT
);
50 $type = optional_param('type', '', PARAM_ALPHA
);
51 $returntomod = optional_param('return', 0, PARAM_BOOL
);
53 redirect("modedit.php?add=$add&type=$type&course=$id§ion=$section&return=$returntomod");
55 }elseif (!empty($update)){
56 if (!$modname=get_field_sql("SELECT md.name
57 FROM {$CFG->prefix}course_modules cm,
58 {$CFG->prefix}modules md
59 WHERE cm.id = '$update' AND
61 error('Invalid course module id!');
63 $returntomod = optional_param('return', 0, PARAM_BOOL
);
64 if (file_exists("../mod/$modname/mod_form.php")) {
65 redirect("modedit.php?update=$update&return=$returntomod");
68 //not adding / editing a module that has new forms using formslib
71 if (!empty($course) and confirm_sesskey()) { // add, delete or update form submitted
73 if (empty($mod->coursemodule
)) { //add
74 if (! $course = get_record("course", "id", $mod->course
)) {
75 error("This course doesn't exist");
78 $mod->coursemodule
= '';
79 } else { //delete and update
80 if (! $cm = get_record("course_modules", "id", $mod->coursemodule
)) {
81 error("This course module doesn't exist");
84 if (! $course = get_record("course", "id", $cm->course
)) {
85 error("This course doesn't exist");
87 $mod->instance
= $cm->instance
;
88 $mod->coursemodule
= $cm->id
;
91 require_login($course->id
); // needed to setup proper $COURSE
92 $context = get_context_instance(CONTEXT_COURSE
, $course->id
);
93 require_capability('moodle/course:manageactivities', $context);
95 $mod->course
= $course->id
;
96 $mod->modulename
= clean_param($mod->modulename
, PARAM_SAFEDIR
); // For safety
97 $modlib = "$CFG->dirroot/mod/$mod->modulename/lib.php";
99 if (file_exists($modlib)) {
100 include_once($modlib);
102 error("This module is missing important code! ($modlib)");
104 $addinstancefunction = $mod->modulename
."_add_instance";
105 $updateinstancefunction = $mod->modulename
."_update_instance";
106 $deleteinstancefunction = $mod->modulename
."_delete_instance";
107 $moderr = "$CFG->dirroot/mod/$mod->modulename/moderr.html";
109 switch ($mod->mode
) {
112 if (isset($mod->name
)) {
113 if (trim($mod->name
) == '') {
118 $return = $updateinstancefunction($mod);
120 if (file_exists($moderr)) {
122 include_once($moderr);
125 error("Could not update the $mod->modulename", "view.php?id=$course->id");
127 if (is_string($return)) {
128 error($return, "view.php?id=$course->id");
131 if (isset($mod->visible
)) {
132 set_coursemodule_visible($mod->coursemodule
, $mod->visible
);
135 if (isset($mod->groupmode
)) {
136 set_coursemodule_groupmode($mod->coursemodule
, $mod->groupmode
);
139 if (isset($mod->redirect
)) {
140 $SESSION->returnpage
= $mod->redirecturl
;
142 $SESSION->returnpage
= "$CFG->wwwroot/mod/$mod->modulename/view.php?id=$mod->coursemodule";
145 add_to_log($course->id
, "course", "update mod",
146 "../mod/$mod->modulename/view.php?id=$mod->coursemodule",
147 "$mod->modulename $mod->instance");
148 add_to_log($course->id
, $mod->modulename
, "update",
149 "view.php?id=$mod->coursemodule",
150 "$mod->instance", $mod->coursemodule
);
155 if (!course_allowed_module($course,$mod->modulename
)) {
156 error("This module ($mod->modulename) has been disabled for this particular course");
159 if (!isset($mod->name
) ||
trim($mod->name
) == '') {
160 $mod->name
= get_string("modulename", $mod->modulename
);
163 $return = $addinstancefunction($mod);
165 if (file_exists($moderr)) {
167 include_once($moderr);
170 error("Could not add a new instance of $mod->modulename", "view.php?id=$course->id");
172 if (is_string($return)) {
173 error($return, "view.php?id=$course->id");
176 if (!isset($mod->groupmode
)) { // to deal with pre-1.5 modules
177 $mod->groupmode
= $course->groupmode
; /// Default groupmode the same as course
180 $mod->instance
= $return;
182 // course_modules and course_sections each contain a reference
183 // to each other, so we have to update one of them twice.
185 if (! $mod->coursemodule
= add_course_module($mod) ) {
186 error("Could not add a new course module");
188 if (! $sectionid = add_mod_to_section($mod) ) {
189 error("Could not add the new course module to that section");
192 if (! set_field("course_modules", "section", $sectionid, "id", $mod->coursemodule
)) {
193 error("Could not update the course module with the correct section");
196 if (!isset($mod->visible
)) { // We get the section's visible field status
197 $mod->visible
= get_field("course_sections","visible","id",$sectionid);
199 // make sure visibility is set correctly (in particular in calendar)
200 set_coursemodule_visible($mod->coursemodule
, $mod->visible
);
202 if (isset($mod->redirect
)) {
203 $SESSION->returnpage
= $mod->redirecturl
;
205 $SESSION->returnpage
= "$CFG->wwwroot/mod/$mod->modulename/view.php?id=$mod->coursemodule";
208 add_to_log($course->id
, "course", "add mod",
209 "../mod/$mod->modulename/view.php?id=$mod->coursemodule",
210 "$mod->modulename $mod->instance");
211 add_to_log($course->id
, $mod->modulename
, "add",
212 "view.php?id=$mod->coursemodule",
213 "$mod->instance", $mod->coursemodule
);
217 if ($cm and $cw = get_record("course_sections", "id", $cm->section
)) {
218 $sectionreturn = $cw->section
;
221 if (! $deleteinstancefunction($mod->instance
)) {
222 notify("Could not delete the $mod->modulename (instance)");
224 if (! delete_course_module($mod->coursemodule
)) {
225 notify("Could not delete the $mod->modulename (coursemodule)");
227 if (! delete_mod_from_section($mod->coursemodule
, "$mod->section")) {
228 notify("Could not delete the $mod->modulename from that section");
231 unset($SESSION->returnpage
);
233 add_to_log($course->id
, "course", "delete mod",
234 "view.php?id=$mod->course",
235 "$mod->modulename $mod->instance", $mod->coursemodule
);
238 error("No mode defined");
242 rebuild_course_cache($course->id
);
244 if (!empty($SESSION->returnpage
)) {
245 $return = $SESSION->returnpage
;
246 unset($SESSION->returnpage
);
249 redirect("view.php?id=$course->id#section-$sectionreturn");
254 if ((!empty($movetosection) or !empty($moveto)) and confirm_sesskey()) {
256 if (! $cm = get_record("course_modules", "id", $USER->activitycopy
)) {
257 error("The copied course module doesn't exist!");
260 if (!empty($movetosection)) {
261 if (! $section = get_record("course_sections", "id", $movetosection)) {
262 error("This section doesn't exist");
266 } else { // normal moveto
267 if (! $beforecm = get_record("course_modules", "id", $moveto)) {
268 error("The destination course module doesn't exist");
270 if (! $section = get_record("course_sections", "id", $beforecm->section
)) {
271 error("This section doesn't exist");
275 require_login($section->course
); // needed to setup proper $COURSE
276 $context = get_context_instance(CONTEXT_COURSE
, $section->course
);
277 require_capability('moodle/course:manageactivities', $context);
279 if (!ismoving($section->course
)) {
280 error("You need to copy something first!");
283 moveto_module($cm, $section, $beforecm);
285 unset($USER->activitycopy
);
286 unset($USER->activitycopycourse
);
287 unset($USER->activitycopyname
);
289 rebuild_course_cache($section->course
);
291 if (SITEID
== $section->course
) {
292 redirect($CFG->wwwroot
);
294 redirect("view.php?id=$section->course#section-$sectionreturn");
297 } else if (!empty($indent) and confirm_sesskey()) {
299 $id = required_param('id',PARAM_INT
);
301 if (! $cm = get_record("course_modules", "id", $id)) {
302 error("This course module doesn't exist");
305 require_login($cm->course
); // needed to setup proper $COURSE
306 $context = get_context_instance(CONTEXT_COURSE
, $cm->course
);
307 require_capability('moodle/course:manageactivities', $context);
309 $cm->indent +
= $indent;
311 if ($cm->indent
< 0) {
315 if (!set_field("course_modules", "indent", $cm->indent
, "id", $cm->id
)) {
316 error("Could not update the indent level on that course module");
319 if (SITEID
== $cm->course
) {
320 redirect($CFG->wwwroot
);
322 redirect("view.php?id=$cm->course#section-$sectionreturn");
326 } else if (!empty($hide) and confirm_sesskey()) {
328 if (! $cm = get_record("course_modules", "id", $hide)) {
329 error("This course module doesn't exist");
332 require_login($cm->course
); // needed to setup proper $COURSE
333 $context = get_context_instance(CONTEXT_MODULE
, $cm->id
);
334 require_capability('moodle/course:activityvisibility', $context);
336 set_coursemodule_visible($cm->id
, 0);
338 rebuild_course_cache($cm->course
);
340 if (SITEID
== $cm->course
) {
341 redirect($CFG->wwwroot
);
343 redirect("view.php?id=$cm->course#section-$sectionreturn");
347 } else if (!empty($show) and confirm_sesskey()) {
349 if (! $cm = get_record("course_modules", "id", $show)) {
350 error("This course module doesn't exist");
353 require_login($cm->course
); // needed to setup proper $COURSE
354 $context = get_context_instance(CONTEXT_COURSE
, $cm->course
);
355 require_capability('moodle/course:activityvisibility', $context);
357 if (! $section = get_record("course_sections", "id", $cm->section
)) {
358 error("This module doesn't exist");
361 if (! $module = get_record("modules", "id", $cm->module
)) {
362 error("This module doesn't exist");
365 if ($module->visible
and ($section->visible
or (SITEID
== $cm->course
))) {
366 set_coursemodule_visible($cm->id
, 1);
367 rebuild_course_cache($cm->course
);
370 if (SITEID
== $cm->course
) {
371 redirect($CFG->wwwroot
);
373 redirect("view.php?id=$cm->course#section-$sectionreturn");
377 } else if ($groupmode > -1 and confirm_sesskey()) {
379 $id = required_param( 'id', PARAM_INT
);
381 if (! $cm = get_record("course_modules", "id", $id)) {
382 error("This course module doesn't exist");
385 require_login($cm->course
); // needed to setup proper $COURSE
386 $context = get_context_instance(CONTEXT_MODULE
, $cm->id
);
387 require_capability('moodle/course:manageactivities', $context);
389 set_coursemodule_groupmode($cm->id
, $groupmode);
391 rebuild_course_cache($cm->course
);
393 if (SITEID
== $cm->course
) {
394 redirect($CFG->wwwroot
);
396 redirect("view.php?id=$cm->course#section-$sectionreturn");
400 } else if (!empty($copy) and confirm_sesskey()) { // value = course module
402 if (! $cm = get_record("course_modules", "id", $copy)) {
403 error("This course module doesn't exist");
406 require_login($cm->course
); // needed to setup proper $COURSE
407 $context = get_context_instance(CONTEXT_COURSE
, $cm->course
);
408 require_capability('moodle/course:manageactivities', $context);
410 if (! $section = get_record("course_sections", "id", $cm->section
)) {
411 error("This module doesn't exist");
414 if (! $module = get_record("modules", "id", $cm->module
)) {
415 error("This module doesn't exist");
418 if (! $instance = get_record($module->name
, "id", $cm->instance
)) {
419 error("Could not find the instance of this module");
422 $USER->activitycopy
= $copy;
423 $USER->activitycopycourse
= $cm->course
;
424 $USER->activitycopyname
= $instance->name
;
426 redirect("view.php?id=$cm->course#section-$sectionreturn");
428 } else if (!empty($cancelcopy) and confirm_sesskey()) { // value = course module
430 $courseid = $USER->activitycopycourse
;
432 unset($USER->activitycopy
);
433 unset($USER->activitycopycourse
);
434 unset($USER->activitycopyname
);
436 redirect("view.php?id=$courseid#section-$sectionreturn");
438 } else if (!empty($delete) and confirm_sesskey()) { // value = course module
440 if (! $cm = get_record("course_modules", "id", $delete)) {
441 error("This course module doesn't exist");
444 if (! $course = get_record("course", "id", $cm->course
)) {
445 error("This course doesn't exist");
448 require_login($cm->course
); // needed to setup proper $COURSE
449 $context = get_context_instance(CONTEXT_COURSE
, $cm->course
);
450 require_capability('moodle/course:manageactivities', $context);
452 if (! $module = get_record("modules", "id", $cm->module
)) {
453 error("This module doesn't exist");
456 if (! $instance = get_record($module->name
, "id", $cm->instance
)) {
457 // Delete this module from the course right away
458 if (! delete_mod_from_section($cm->id
, $cm->section
)) {
459 notify("Could not delete the $module->name from that section");
461 if (! delete_course_module($cm->id
)) {
462 notify("Could not delete the $module->name (coursemodule)");
464 error("The required instance of this module didn't exist. Module deleted.",
465 "$CFG->wwwroot/course/view.php?id=$course->id");
468 $fullmodulename = get_string("modulename", $module->name
);
470 $form->coursemodule
= $cm->id
;
471 $form->section
= $cm->section
;
472 $form->course
= $cm->course
;
473 $form->instance
= $cm->instance
;
474 $form->modulename
= $module->name
;
475 $form->fullmodulename
= $fullmodulename;
476 $form->instancename
= $instance->name
;
477 $form->sesskey
= !empty($USER->id
) ?
$USER->sesskey
: '';
479 $strdeletecheck = get_string('deletecheck', '', $form->fullmodulename
);
480 $strdeletecheckfull = get_string('deletecheckfull', '', "$form->fullmodulename '$form->instancename'");
482 $CFG->pagepath
= 'mod/'.$module->name
.'/delete';
484 print_header_simple($strdeletecheck, '', build_navigation(array(array('name'=>$strdeletecheck,'link'=>'','type'=>'misc'))));
486 print_simple_box_start('center', '60%', '#FFAAAA', 20, 'noticebox');
487 print_heading($strdeletecheckfull);
488 include_once('mod_delete.html');
489 print_simple_box_end();
490 print_footer($course);
495 } else if (!empty($update) and confirm_sesskey()) { // value = course module
497 if (! $cm = get_record("course_modules", "id", $update)) {
498 error("This course module doesn't exist");
501 if (! $course = get_record("course", "id", $cm->course
)) {
502 error("This course doesn't exist");
505 require_login($course->id
); // needed to setup proper $COURSE
506 $context = get_context_instance(CONTEXT_COURSE
, $course->id
);
507 require_capability('moodle/course:manageactivities', $context);
509 if (! $module = get_record("modules", "id", $cm->module
)) {
510 error("This module doesn't exist");
513 if (! $form = get_record($module->name
, "id", $cm->instance
)) {
514 error("The required instance of this module doesn't exist");
517 if (! $cw = get_record("course_sections", "id", $cm->section
)) {
518 error("This course section doesn't exist");
521 if (isset($return)) {
522 $SESSION->returnpage
= "$CFG->wwwroot/mod/$module->name/view.php?id=$cm->id";
525 $form->coursemodule
= $cm->id
;
526 $form->section
= $cm->section
; // The section ID
527 $form->course
= $course->id
;
528 $form->module
= $module->id
;
529 $form->modulename
= $module->name
;
530 $form->instance
= $cm->instance
;
531 $form->mode
= "update";
532 $form->sesskey
= !empty($USER->id
) ?
$USER->sesskey
: '';
534 $sectionname = get_section_name($course->format
);
535 $fullmodulename = get_string("modulename", $module->name
);
537 if ($form->section
&& $course->format
!= 'site') {
538 $heading->what
= $fullmodulename;
539 $heading->in
= "$sectionname $cw->section";
540 $pageheading = get_string("updatingain", "moodle", $heading);
542 $pageheading = get_string("updatinga", "moodle", $fullmodulename);
544 $strnav = "<a href=\"$CFG->wwwroot/mod/$module->name/view.php?id=$cm->id\">".format_string($form->name
,true)."</a> ->";
546 if ($module->name
== 'resource') {
547 $CFG->pagepath
= 'mod/'.$module->name
.'/'.$form->type
;
549 $CFG->pagepath
= 'mod/'.$module->name
.'/mod';
552 } else if (!empty($duplicate) and confirm_sesskey()) { // value = course module
555 if (! $cm = get_record("course_modules", "id", $duplicate)) {
556 error("This course module doesn't exist");
559 if (! $course = get_record("course", "id", $cm->course
)) {
560 error("This course doesn't exist");
563 require_login($course->id
); // needed to setup proper $COURSE
564 $context = get_context_instance(CONTEXT_COURSE
, $course->id
);
565 require_capability('moodle/course:manageactivities', $context);
567 if (! $module = get_record("modules", "id", $cm->module
)) {
568 error("This module doesn't exist");
571 if (! $form = get_record($module->name
, "id", $cm->instance
)) {
572 error("The required instance of this module doesn't exist");
575 if (! $cw = get_record("course_sections", "id", $cm->section
)) {
576 error("This course section doesn't exist");
579 if (isset($return)) {
580 $SESSION->returnpage
= "$CFG->wwwroot/mod/$module->name/view.php?id=$cm->id";
583 $section = get_field('course_sections', 'section', 'id', $cm->section
);
585 $form->coursemodule
= $cm->id
;
586 $form->section
= $section; // The section ID
587 $form->course
= $course->id
;
588 $form->module
= $module->id
;
589 $form->modulename
= $module->name
;
590 $form->instance
= $cm->instance
;
592 $form->sesskey
= !empty($USER->id
) ?
$USER->sesskey
: '';
594 $sectionname = get_string("name$course->format");
595 $fullmodulename = get_string("modulename", $module->name
);
597 if ($form->section
) {
598 $heading->what
= $fullmodulename;
599 $heading->in
= "$sectionname $cw->section";
600 $pageheading = get_string("duplicatingain", "moodle", $heading);
602 $pageheading = get_string("duplicatinga", "moodle", $fullmodulename);
604 $strnav = "<a href=\"$CFG->wwwroot/mod/$module->name/view.php?id=$cm->id\">$form->name</a> ->";
606 $CFG->pagepath
= 'mod/'.$module->name
.'/mod';
609 } else if (!empty($add) and confirm_sesskey()) {
611 $id = required_param('id',PARAM_INT
);
612 $section = required_param('section',PARAM_INT
);
614 if (! $course = get_record("course", "id", $id)) {
615 error("This course doesn't exist");
618 if (! $module = get_record("modules", "name", $add)) {
619 error("This module type doesn't exist");
622 $context = get_context_instance(CONTEXT_COURSE
, $course->id
);
623 require_capability('moodle/course:manageactivities', $context);
625 if (!course_allowed_module($course,$module->id
)) {
626 error("This module has been disabled for this particular course");
629 require_login($course->id
); // needed to setup proper $COURSE
631 $form->section
= $section; // The section number itself
632 $form->course
= $course->id
;
633 $form->module
= $module->id
;
634 $form->modulename
= $module->name
;
635 $form->instance
= "";
636 $form->coursemodule
= "";
638 $form->sesskey
= !empty($USER->id
) ?
$USER->sesskey
: '';
643 $sectionname = get_string("name$course->format");
644 $fullmodulename = get_string("modulename", $module->name
);
646 if ($form->section
&& $course->format
!= 'site') {
647 $heading->what
= $fullmodulename;
648 $heading->to
= "$sectionname $form->section";
649 $pageheading = get_string("addinganewto", "moodle", $heading);
651 $pageheading = get_string("addinganew", "moodle", $fullmodulename);
654 $CFG->pagepath
= 'mod/'.$module->name
;
656 $CFG->pagepath
.= '/' . $type;
659 $CFG->pagepath
.= '/mod';
663 error("No action was specfied");
666 require_login($course->id
); // needed to setup proper $COURSE
667 $context = get_context_instance(CONTEXT_COURSE
, $course->id
);
668 require_capability('moodle/course:manageactivities', $context);
670 $streditinga = get_string("editinga", "moodle", $fullmodulename);
671 $strmodulenameplural = get_string("modulenameplural", $module->name
);
673 if ($module->name
== "label") {
674 $focuscursor = "form.content";
676 $focuscursor = "form.name";
680 $navlinks[] = array('name' => $strmodulenameplural, 'link' => "$CFG->wwwroot/mod/$module->name/index.php?id=$course->id", 'type' => 'activity');
681 $navlinks[] = array('name' => $streditinga, 'link' => '', 'type' => 'action');
682 $navigation = build_navigation($navlinks);
684 print_header_simple($streditinga, '', $navigation, $focuscursor, "", false);
686 if (!empty($cm->id
)) {
687 $context = get_context_instance(CONTEXT_MODULE
, $cm->id
);
688 $currenttab = 'update';
689 include_once($CFG->dirroot
.'/'.$CFG->admin
.'/roles/tabs.php');
692 unset($SESSION->modform
); // Clear any old ones that may be hanging around.
694 $modform = "../mod/$module->name/mod.html";
696 if (file_exists($modform)) {
698 if ($usehtmleditor = can_use_html_editor()) {
699 $defaultformat = FORMAT_HTML
;
702 $defaultformat = FORMAT_MOODLE
;
705 $icon = '<img class="icon" src="'.$CFG->modpixpath
.'/'.$module->name
.'/icon.gif" alt="'.get_string('modulename',$module->name
).'"/>';
707 print_heading_with_help($pageheading, "mods", $module->name
, $icon);
708 print_simple_box_start('center', '', '', 5, 'generalbox', $module->name
);
709 include_once($modform);
710 print_simple_box_end();
712 if ($usehtmleditor and empty($nohtmleditorneeded)) {
713 use_html_editor($editorfields);
717 notice("This module cannot be added to this course yet! (No file found at: $modform)", "$CFG->wwwroot/course/view.php?id=$course->id");
720 print_footer($course);