course/mod.php

   1 <?php // $Id$
   2
   3 //  Moves, adds, updates, duplicates or deletes modules in a course
   4
   5     require("../config.php");
   6     require_once("lib.php");
   7
   8     require_login();
   9
  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     $cancelcopy    = optional_param('cancelcopy', 0, PARAM_BOOL);
  26
  27     if (isset($SESSION->modform)) {   // Variables are stored in the session
  28         $mod = $SESSION->modform;
  29         unset($SESSION->modform);
  30     } else {
  31         $mod = (object)$_POST;
  32     }
  33
  34     if ($cancel) {
  35         if (!empty($SESSION->returnpage)) {
  36             $return = $SESSION->returnpage;
  37             unset($SESSION->returnpage);
  38             redirect($return);
  39         } else {
  40             redirect("view.php?id=$mod->course#section-$sectionreturn");
  41         }
  42     }
  43
  44     //check if we are adding / editing a module that has new forms using formslib
  45     if (!empty($add)){
  46         $modname=$add;
  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             $returntomod = optional_param('return', 0, PARAM_BOOL);
  52
  53             redirect("modedit.php?add=$add&type=$type&course=$id&section=$section&return=$returntomod");
  54         }
  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
  60                                  md.id = cm.module")){
  61             error('Invalid course module id!');
  62         }
  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");
  66         }
  67     }
  68     //not adding / editing a module that has new forms using formslib
  69     //carry on
  70
  71     if (!empty($course) and confirm_sesskey()) {    // add, delete or update form submitted
  72
  73         if (empty($mod->coursemodule)) { //add
  74             if (! $course = get_record("course", "id", $mod->course)) {
  75                 error("This course doesn't exist");
  76             }
  77             $mod->instance = '';
  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");
  82             }
  83
  84             if (! $course = get_record("course", "id", $cm->course)) {
  85                 error("This course doesn't exist");
  86             }
  87             $mod->instance = $cm->instance;
  88             $mod->coursemodule = $cm->id;
  89         }
  90
  91         require_login($course->id); // needed to setup proper $COURSE
  92         $context = get_context_instance(CONTEXT_COURSE, $course->id);
  93         require_capability('moodle/course:manageactivities', $context);
  94
  95         $mod->course = $course->id;
  96         $mod->modulename = clean_param($mod->modulename, PARAM_SAFEDIR);  // For safety
  97         $modlib = "$CFG->dirroot/mod/$mod->modulename/lib.php";
  98
  99         if (file_exists($modlib)) {
 100             include_once($modlib);
 101         } else {
 102             error("This module is missing important code! ($modlib)");
 103         }
 104         $addinstancefunction    = $mod->modulename."_add_instance";
 105         $updateinstancefunction = $mod->modulename."_update_instance";
 106         $deleteinstancefunction = $mod->modulename."_delete_instance";
 107         $moderr = "$CFG->dirroot/mod/$mod->modulename/moderr.html";
 108
 109         switch ($mod->mode) {
 110             case "update":
 111
 112                 if (isset($mod->name)) {
 113                     if (trim($mod->name) == '') {
 114                         unset($mod->name);
 115                     }
 116                 }
 117
 118                 $return = $updateinstancefunction($mod);
 119                 if (!$return) {
 120                     if (file_exists($moderr)) {
 121                         $form = $mod;
 122                         include_once($moderr);
 123                         die;
 124                     }
 125                     error("Could not update the $mod->modulename", "view.php?id=$course->id");
 126                 }
 127                 if (is_string($return)) {
 128                     error($return, "view.php?id=$course->id");
 129                 }
 130
 131                 if (isset($mod->visible)) {
 132                     set_coursemodule_visible($mod->coursemodule, $mod->visible);
 133                 }
 134
 135                 if (isset($mod->groupmode)) {
 136                     set_coursemodule_groupmode($mod->coursemodule, $mod->groupmode);
 137                 }
 138
 139                 if (isset($mod->groupingid)) {
 140                     set_coursemodule_groupingid($mod->coursemodule, $mod->groupingid);
 141                 }
 142
 143                 if (isset($mod->groupmembersonly)) {
 144                     set_coursemodule_groupmembersonly($mod->coursemodule, $mod->groupmembersonly);
 145                 }
 146
 147                 if (isset($mod->redirect)) {
 148                     $SESSION->returnpage = $mod->redirecturl;
 149                 } else {
 150                     $SESSION->returnpage = "$CFG->wwwroot/mod/$mod->modulename/view.php?id=$mod->coursemodule";
 151                 }
 152
 153                 add_to_log($course->id, "course", "update mod",
 154                            "../mod/$mod->modulename/view.php?id=$mod->coursemodule",
 155                            "$mod->modulename $mod->instance");
 156                 add_to_log($course->id, $mod->modulename, "update",
 157                            "view.php?id=$mod->coursemodule",
 158                            "$mod->instance", $mod->coursemodule);
 159                 break;
 160
 161             case "add":
 162
 163                 if (!course_allowed_module($course,$mod->modulename)) {
 164                     error("This module ($mod->modulename) has been disabled for this particular course");
 165                 }
 166
 167                 if (!isset($mod->name) || trim($mod->name) == '') {
 168                     $mod->name = get_string("modulename", $mod->modulename);
 169                 }
 170
 171                 $return = $addinstancefunction($mod);
 172                 if (!$return) {
 173                     if (file_exists($moderr)) {
 174                         $form = $mod;
 175                         include_once($moderr);
 176                         die;
 177                     }
 178                     error("Could not add a new instance of $mod->modulename", "view.php?id=$course->id");
 179                 }
 180                 if (is_string($return)) {
 181                     error($return, "view.php?id=$course->id");
 182                 }
 183
 184                 if (!isset($mod->groupmode)) { // to deal with pre-1.5 modules
 185                     $mod->groupmode = $course->groupmode;  /// Default groupmode the same as course
 186                 }
 187
 188                 if (isset($mod->groupingid)) {
 189                     set_coursemodule_groupingid($mod->coursemodule, $mod->groupingid);
 190                 }
 191
 192                 if (isset($mod->groupmembersonly)) {
 193                     set_coursemodule_groupmembersonly($mod->coursemodule, $mod->groupmembersonly);
 194                 }
 195                 $mod->instance = $return;
 196
 197                 // course_modules and course_sections each contain a reference
 198                 // to each other, so we have to update one of them twice.
 199
 200                 if (! $mod->coursemodule = add_course_module($mod) ) {
 201                     error("Could not add a new course module");
 202                 }
 203                 if (! $sectionid = add_mod_to_section($mod) ) {
 204                     error("Could not add the new course module to that section");
 205                 }
 206
 207                 if (! set_field("course_modules", "section", $sectionid, "id", $mod->coursemodule)) {
 208                     error("Could not update the course module with the correct section");
 209                 }
 210
 211                 if (!isset($mod->visible)) {   // We get the section's visible field status
 212                     $mod->visible = get_field("course_sections","visible","id",$sectionid);
 213                 }
 214                 // make sure visibility is set correctly (in particular in calendar)
 215                 set_coursemodule_visible($mod->coursemodule, $mod->visible);
 216
 217                 if (isset($mod->redirect)) {
 218                     $SESSION->returnpage = $mod->redirecturl;
 219                 } else {
 220                     $SESSION->returnpage = "$CFG->wwwroot/mod/$mod->modulename/view.php?id=$mod->coursemodule";
 221                 }
 222
 223                 add_to_log($course->id, "course", "add mod",
 224                            "../mod/$mod->modulename/view.php?id=$mod->coursemodule",
 225                            "$mod->modulename $mod->instance");
 226                 add_to_log($course->id, $mod->modulename, "add",
 227                            "view.php?id=$mod->coursemodule",
 228                            "$mod->instance", $mod->coursemodule);
 229                 break;
 230
 231             case "delete":
 232                 if ($cm and $cw = get_record("course_sections", "id", $cm->section)) {
 233                     $sectionreturn = $cw->section;
 234                 }
 235
 236                 if (! $deleteinstancefunction($mod->instance)) {
 237                     notify("Could not delete the $mod->modulename (instance)");
 238                 }
 239                 if (! delete_course_module($mod->coursemodule)) {
 240                     notify("Could not delete the $mod->modulename (coursemodule)");
 241                 }
 242                 if (! delete_mod_from_section($mod->coursemodule, "$mod->section")) {
 243                     notify("Could not delete the $mod->modulename from that section");
 244                 }
 245
 246                 unset($SESSION->returnpage);
 247
 248                 add_to_log($course->id, "course", "delete mod",
 249                            "view.php?id=$mod->course",
 250                            "$mod->modulename $mod->instance", $mod->coursemodule);
 251                 break;
 252             default:
 253                 error("No mode defined");
 254
 255         }
 256
 257         rebuild_course_cache($course->id);
 258
 259         if (!empty($SESSION->returnpage)) {
 260             $return = $SESSION->returnpage;
 261             unset($SESSION->returnpage);
 262             redirect($return);
 263         } else {
 264             redirect("view.php?id=$course->id#section-$sectionreturn");
 265         }
 266         exit;
 267     }
 268
 269     if ((!empty($movetosection) or !empty($moveto)) and confirm_sesskey()) {
 270
 271         if (! $cm = get_record("course_modules", "id", $USER->activitycopy)) {
 272             error("The copied course module doesn't exist!");
 273         }
 274
 275         if (!empty($movetosection)) {
 276             if (! $section = get_record("course_sections", "id", $movetosection)) {
 277                 error("This section doesn't exist");
 278             }
 279             $beforecm = NULL;
 280
 281         } else {                      // normal moveto
 282             if (! $beforecm = get_record("course_modules", "id", $moveto)) {
 283                 error("The destination course module doesn't exist");
 284             }
 285             if (! $section = get_record("course_sections", "id", $beforecm->section)) {
 286                 error("This section doesn't exist");
 287             }
 288         }
 289
 290         require_login($section->course); // needed to setup proper $COURSE
 291         $context = get_context_instance(CONTEXT_COURSE, $section->course);
 292         require_capability('moodle/course:manageactivities', $context);
 293
 294         if (!ismoving($section->course)) {
 295             error("You need to copy something first!");
 296         }
 297
 298         moveto_module($cm, $section, $beforecm);
 299
 300         unset($USER->activitycopy);
 301         unset($USER->activitycopycourse);
 302         unset($USER->activitycopyname);
 303
 304         rebuild_course_cache($section->course);
 305
 306         if (SITEID == $section->course) {
 307             redirect($CFG->wwwroot);
 308         } else {
 309             redirect("view.php?id=$section->course#section-$sectionreturn");
 310         }
 311
 312     } else if (!empty($indent) and confirm_sesskey()) {
 313
 314         $id = required_param('id',PARAM_INT);
 315
 316         if (! $cm = get_record("course_modules", "id", $id)) {
 317             error("This course module doesn't exist");
 318         }
 319
 320         require_login($cm->course); // needed to setup proper $COURSE
 321         $context = get_context_instance(CONTEXT_COURSE, $cm->course);
 322         require_capability('moodle/course:manageactivities', $context);
 323
 324         $cm->indent += $indent;
 325
 326         if ($cm->indent < 0) {
 327             $cm->indent = 0;
 328         }
 329
 330         if (!set_field("course_modules", "indent", $cm->indent, "id", $cm->id)) {
 331             error("Could not update the indent level on that course module");
 332         }
 333
 334         if (SITEID == $cm->course) {
 335             redirect($CFG->wwwroot);
 336         } else {
 337             redirect("view.php?id=$cm->course#section-$sectionreturn");
 338         }
 339         exit;
 340
 341     } else if (!empty($hide) and confirm_sesskey()) {
 342
 343         if (! $cm = get_record("course_modules", "id", $hide)) {
 344             error("This course module doesn't exist");
 345         }
 346
 347         require_login($cm->course); // needed to setup proper $COURSE
 348         $context = get_context_instance(CONTEXT_MODULE, $cm->id);
 349         require_capability('moodle/course:activityvisibility', $context);
 350
 351         set_coursemodule_visible($cm->id, 0);
 352
 353         rebuild_course_cache($cm->course);
 354
 355         if (SITEID == $cm->course) {
 356             redirect($CFG->wwwroot);
 357         } else {
 358             redirect("view.php?id=$cm->course#section-$sectionreturn");
 359         }
 360         exit;
 361
 362     } else if (!empty($show) and confirm_sesskey()) {
 363
 364         if (! $cm = get_record("course_modules", "id", $show)) {
 365             error("This course module doesn't exist");
 366         }
 367
 368         require_login($cm->course); // needed to setup proper $COURSE
 369         $context = get_context_instance(CONTEXT_COURSE, $cm->course);
 370         require_capability('moodle/course:activityvisibility', $context);
 371
 372         if (! $section = get_record("course_sections", "id", $cm->section)) {
 373             error("This module doesn't exist");
 374         }
 375
 376         if (! $module = get_record("modules", "id", $cm->module)) {
 377             error("This module doesn't exist");
 378         }
 379
 380         if ($module->visible and ($section->visible or (SITEID == $cm->course))) {
 381             set_coursemodule_visible($cm->id, 1);
 382             rebuild_course_cache($cm->course);
 383         }
 384
 385         if (SITEID == $cm->course) {
 386             redirect($CFG->wwwroot);
 387         } else {
 388             redirect("view.php?id=$cm->course#section-$sectionreturn");
 389         }
 390         exit;
 391
 392     } else if ($groupmode > -1 and confirm_sesskey()) {
 393
 394         $id = required_param( 'id', PARAM_INT );
 395
 396         if (! $cm = get_record("course_modules", "id", $id)) {
 397             error("This course module doesn't exist");
 398         }
 399
 400         require_login($cm->course); // needed to setup proper $COURSE
 401         $context = get_context_instance(CONTEXT_MODULE, $cm->id);
 402         require_capability('moodle/course:manageactivities', $context);
 403
 404         set_coursemodule_groupmode($cm->id, $groupmode);
 405
 406         rebuild_course_cache($cm->course);
 407
 408         if (SITEID == $cm->course) {
 409             redirect($CFG->wwwroot);
 410         } else {
 411             redirect("view.php?id=$cm->course#section-$sectionreturn");
 412         }
 413         exit;
 414
 415     } else if (!empty($copy) and confirm_sesskey()) { // value = course module
 416
 417         if (! $cm = get_record("course_modules", "id", $copy)) {
 418             error("This course module doesn't exist");
 419         }
 420
 421         require_login($cm->course); // needed to setup proper $COURSE
 422         $context = get_context_instance(CONTEXT_COURSE, $cm->course);
 423         require_capability('moodle/course:manageactivities', $context);
 424
 425         if (! $section = get_record("course_sections", "id", $cm->section)) {
 426             error("This module doesn't exist");
 427         }
 428
 429         if (! $module = get_record("modules", "id", $cm->module)) {
 430             error("This module doesn't exist");
 431         }
 432
 433         if (! $instance = get_record($module->name, "id", $cm->instance)) {
 434             error("Could not find the instance of this module");
 435         }
 436
 437         $USER->activitycopy = $copy;
 438         $USER->activitycopycourse = $cm->course;
 439         $USER->activitycopyname = $instance->name;
 440
 441         redirect("view.php?id=$cm->course#section-$sectionreturn");
 442
 443     } else if (!empty($cancelcopy) and confirm_sesskey()) { // value = course module
 444
 445         $courseid = $USER->activitycopycourse;
 446
 447         unset($USER->activitycopy);
 448         unset($USER->activitycopycourse);
 449         unset($USER->activitycopyname);
 450
 451         redirect("view.php?id=$courseid#section-$sectionreturn");
 452
 453     } else if (!empty($delete) and confirm_sesskey()) {   // value = course module
 454
 455         if (! $cm = get_record("course_modules", "id", $delete)) {
 456             error("This course module doesn't exist");
 457         }
 458
 459         if (! $course = get_record("course", "id", $cm->course)) {
 460             error("This course doesn't exist");
 461         }
 462
 463         require_login($cm->course); // needed to setup proper $COURSE
 464         $context = get_context_instance(CONTEXT_COURSE, $cm->course);
 465         require_capability('moodle/course:manageactivities', $context);
 466
 467         if (! $module = get_record("modules", "id", $cm->module)) {
 468             error("This module doesn't exist");
 469         }
 470
 471         if (! $instance = get_record($module->name, "id", $cm->instance)) {
 472             // Delete this module from the course right away
 473             if (! delete_mod_from_section($cm->id, $cm->section)) {
 474                 notify("Could not delete the $module->name from that section");
 475             }
 476             if (! delete_course_module($cm->id)) {
 477                 notify("Could not delete the $module->name (coursemodule)");
 478             }
 479             error("The required instance of this module didn't exist.  Module deleted.",
 480                   "$CFG->wwwroot/course/view.php?id=$course->id");
 481         }
 482
 483         $fullmodulename = get_string("modulename", $module->name);
 484
 485         $form->coursemodule = $cm->id;
 486         $form->section      = $cm->section;
 487         $form->course       = $cm->course;
 488         $form->instance     = $cm->instance;
 489         $form->modulename   = $module->name;
 490         $form->fullmodulename  = $fullmodulename;
 491         $form->instancename = $instance->name;
 492         $form->sesskey      = !empty($USER->id) ? $USER->sesskey : '';
 493
 494         $strdeletecheck = get_string('deletecheck', '', $form->fullmodulename);
 495         $strdeletecheckfull = get_string('deletecheckfull', '', "$form->fullmodulename '$form->instancename'");
 496
 497         $CFG->pagepath = 'mod/'.$module->name.'/delete';
 498
 499         print_header_simple($strdeletecheck, '', build_navigation(array(array('name'=>$strdeletecheck,'link'=>'','type'=>'misc'))));
 500
 501         print_simple_box_start('center', '60%', '#FFAAAA', 20, 'noticebox');
 502         print_heading($strdeletecheckfull);
 503         include_once('mod_delete.html');
 504         print_simple_box_end();
 505         print_footer($course);
 506
 507         exit;
 508
 509
 510     } else if (!empty($update) and confirm_sesskey()) {   // value = course module
 511
 512         if (! $cm = get_record("course_modules", "id", $update)) {
 513             error("This course module doesn't exist");
 514         }
 515
 516         if (! $course = get_record("course", "id", $cm->course)) {
 517             error("This course doesn't exist");
 518         }
 519
 520         require_login($course->id); // needed to setup proper $COURSE
 521         $context = get_context_instance(CONTEXT_COURSE, $course->id);
 522         require_capability('moodle/course:manageactivities', $context);
 523
 524         if (! $module = get_record("modules", "id", $cm->module)) {
 525             error("This module doesn't exist");
 526         }
 527
 528         if (! $form = get_record($module->name, "id", $cm->instance)) {
 529             error("The required instance of this module doesn't exist");
 530         }
 531
 532         if (! $cw = get_record("course_sections", "id", $cm->section)) {
 533             error("This course section doesn't exist");
 534         }
 535
 536         if (isset($return)) {
 537             $SESSION->returnpage = "$CFG->wwwroot/mod/$module->name/view.php?id=$cm->id";
 538         }
 539
 540         $form->coursemodule = $cm->id;
 541         $form->section      = $cm->section;     // The section ID
 542         $form->course       = $course->id;
 543         $form->module       = $module->id;
 544         $form->modulename   = $module->name;
 545         $form->instance     = $cm->instance;
 546         $form->mode         = "update";
 547         $form->sesskey      = !empty($USER->id) ? $USER->sesskey : '';
 548
 549         $sectionname = get_section_name($course->format);
 550         $fullmodulename = get_string("modulename", $module->name);
 551
 552         if ($form->section && $course->format != 'site') {
 553             $heading->what = $fullmodulename;
 554             $heading->in   = "$sectionname $cw->section";
 555             $pageheading = get_string("updatingain", "moodle", $heading);
 556         } else {
 557             $pageheading = get_string("updatinga", "moodle", $fullmodulename);
 558         }
 559         $strnav = "<a href=\"$CFG->wwwroot/mod/$module->name/view.php?id=$cm->id\">".format_string($form->name,true)."</a> ->";
 560
 561         if ($module->name == 'resource') {
 562             $CFG->pagepath = 'mod/'.$module->name.'/'.$form->type;
 563         } else {
 564             $CFG->pagepath = 'mod/'.$module->name.'/mod';
 565         }
 566
 567     } else if (!empty($duplicate) and confirm_sesskey()) {   // value = course module
 568
 569
 570         if (! $cm = get_record("course_modules", "id", $duplicate)) {
 571             error("This course module doesn't exist");
 572         }
 573
 574         if (! $course = get_record("course", "id", $cm->course)) {
 575             error("This course doesn't exist");
 576         }
 577
 578         require_login($course->id); // needed to setup proper $COURSE
 579         $context = get_context_instance(CONTEXT_COURSE, $course->id);
 580         require_capability('moodle/course:manageactivities', $context);
 581
 582         if (! $module = get_record("modules", "id", $cm->module)) {
 583             error("This module doesn't exist");
 584         }
 585
 586         if (! $form = get_record($module->name, "id", $cm->instance)) {
 587             error("The required instance of this module doesn't exist");
 588         }
 589
 590         if (! $cw = get_record("course_sections", "id", $cm->section)) {
 591             error("This course section doesn't exist");
 592         }
 593
 594         if (isset($return)) {
 595             $SESSION->returnpage = "$CFG->wwwroot/mod/$module->name/view.php?id=$cm->id";
 596         }
 597
 598         $section = get_field('course_sections', 'section', 'id', $cm->section);
 599
 600         $form->coursemodule = $cm->id;
 601         $form->section      = $section;     // The section ID
 602         $form->course       = $course->id;
 603         $form->module       = $module->id;
 604         $form->modulename   = $module->name;
 605         $form->instance     = $cm->instance;
 606         $form->mode         = "add";
 607         $form->sesskey      = !empty($USER->id) ? $USER->sesskey : '';
 608
 609         $sectionname    = get_string("name$course->format");
 610         $fullmodulename = get_string("modulename", $module->name);
 611
 612         if ($form->section) {
 613             $heading->what = $fullmodulename;
 614             $heading->in   = "$sectionname $cw->section";
 615             $pageheading = get_string("duplicatingain", "moodle", $heading);
 616         } else {
 617             $pageheading = get_string("duplicatinga", "moodle", $fullmodulename);
 618         }
 619         $strnav = "<a href=\"$CFG->wwwroot/mod/$module->name/view.php?id=$cm->id\">$form->name</a> ->";
 620
 621         $CFG->pagepath = 'mod/'.$module->name.'/mod';
 622
 623
 624     } else if (!empty($add) and confirm_sesskey()) {
 625
 626         $id = required_param('id',PARAM_INT);
 627         $section = required_param('section',PARAM_INT);
 628
 629         if (! $course = get_record("course", "id", $id)) {
 630             error("This course doesn't exist");
 631         }
 632
 633         if (! $module = get_record("modules", "name", $add)) {
 634             error("This module type doesn't exist");
 635         }
 636
 637         $context = get_context_instance(CONTEXT_COURSE, $course->id);
 638         require_capability('moodle/course:manageactivities', $context);
 639
 640         if (!course_allowed_module($course,$module->id)) {
 641             error("This module has been disabled for this particular course");
 642         }
 643
 644         require_login($course->id); // needed to setup proper $COURSE
 645
 646         $form->section    = $section;         // The section number itself
 647         $form->course     = $course->id;
 648         $form->module     = $module->id;
 649         $form->modulename = $module->name;
 650         $form->instance   = "";
 651         $form->coursemodule = "";
 652         $form->mode       = "add";
 653         $form->sesskey    = !empty($USER->id) ? $USER->sesskey : '';
 654         if (!empty($type)) {
 655             $form->type = $type;
 656         }
 657
 658         $sectionname    = get_string("name$course->format");
 659         $fullmodulename = get_string("modulename", $module->name);
 660
 661         if ($form->section && $course->format != 'site') {
 662             $heading->what = $fullmodulename;
 663             $heading->to   = "$sectionname $form->section";
 664             $pageheading = get_string("addinganewto", "moodle", $heading);
 665         } else {
 666             $pageheading = get_string("addinganew", "moodle", $fullmodulename);
 667         }
 668
 669         $CFG->pagepath = 'mod/'.$module->name;
 670         if (!empty($type)) {
 671             $CFG->pagepath .= '/' . $type;
 672         }
 673         else {
 674             $CFG->pagepath .= '/mod';
 675         }
 676
 677     } else {
 678         error("No action was specified");
 679     }
 680
 681     require_login($course->id); // needed to setup proper $COURSE
 682     $context = get_context_instance(CONTEXT_COURSE, $course->id);
 683     require_capability('moodle/course:manageactivities', $context);
 684
 685     $streditinga = get_string("editinga", "moodle", $fullmodulename);
 686     $strmodulenameplural = get_string("modulenameplural", $module->name);
 687
 688     if ($module->name == "label") {
 689         $focuscursor = "form.content";
 690     } else {
 691         $focuscursor = "form.name";
 692     }
 693
 694     $navlinks = array();
 695     $navlinks[] = array('name' => $strmodulenameplural, 'link' => "$CFG->wwwroot/mod/$module->name/index.php?id=$course->id", 'type' => 'activity');
 696     $navlinks[] = array('name' => $streditinga, 'link' => '', 'type' => 'action');
 697     $navigation = build_navigation($navlinks);
 698
 699     print_header_simple($streditinga, '', $navigation, $focuscursor, "", false);
 700
 701     if (!empty($cm->id)) {
 702         $context = get_context_instance(CONTEXT_MODULE, $cm->id);
 703         $currenttab = 'update';
 704         $overridableroles = get_overridable_roles($context);
 705         $assignableroles  = get_assignable_roles($context);
 706         include_once($CFG->dirroot.'/'.$CFG->admin.'/roles/tabs.php');
 707     }
 708
 709     unset($SESSION->modform); // Clear any old ones that may be hanging around.
 710
 711     $modform = "../mod/$module->name/mod.html";
 712
 713     if (file_exists($modform)) {
 714
 715         if ($usehtmleditor = can_use_html_editor()) {
 716             $defaultformat = FORMAT_HTML;
 717             $editorfields = '';
 718         } else {
 719             $defaultformat = FORMAT_MOODLE;
 720         }
 721
 722         $icon = '<img class="icon" src="'.$CFG->modpixpath.'/'.$module->name.'/icon.gif" alt="'.get_string('modulename',$module->name).'"/>';
 723
 724         print_heading_with_help($pageheading, "mods", $module->name, $icon);
 725         print_simple_box_start('center', '', '', 5, 'generalbox', $module->name);
 726         include_once($modform);
 727         print_simple_box_end();
 728
 729         if ($usehtmleditor and empty($nohtmleditorneeded)) {
 730             use_html_editor($editorfields);
 731         }
 732
 733     } else {
 734         notice("This module cannot be added to this course yet! (No file found at: $modform)", "$CFG->wwwroot/course/view.php?id=$course->id");
 735     }
 736
 737     print_footer($course);
 738 ?>