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moodle/course/modedit.php

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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Adds or updates modules in a course using new formslib
*
* @package moodlecore
* @copyright 1999 onwards Martin Dougiamas (http://dougiamas.com)
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once("../config.php");
require_once("lib.php");
require_once($CFG->libdir.'/filelib.php');
require_once($CFG->libdir.'/gradelib.php');
require_once($CFG->libdir.'/completionlib.php');
require_once($CFG->libdir.'/conditionlib.php');
$add = optional_param('add', '', PARAM_ALPHA); // module name
$update = optional_param('update', 0, PARAM_INT);
$return = optional_param('return', 0, PARAM_BOOL); //return to course/view.php if false or mod/modname/view.php if true
$type = optional_param('type', '', PARAM_ALPHANUM); //TODO: hopefully will be removed in 2.0
$PAGE->set_generaltype('form');
$url = new moodle_url($CFG->wwwroot.'/course/modedit.php');
if (!empty($add)) {
$url->param('add', $add);
} else if (!empty($update)) {
$url->param('update', $update);
} else {
debugging('Neither add nor update arguments were provided, PAGE->set_url needs to be checked', DEBUG_DEVELOPER);
}
if (!empty($return)) {
$url->param('return', $return);
}
if (!empty($type)) {
$url->param('type', $type);
}
$PAGE->set_url($url);
if (!empty($add)) {
$section = required_param('section', PARAM_INT);
$course = required_param('course', PARAM_INT);
if (!$course = $DB->get_record('course', array('id'=>$course))) {
print_error('invalidcourseid');
}
require_login($course);
$context = get_context_instance(CONTEXT_COURSE, $course->id);
require_capability('moodle/course:manageactivities', $context);
if (!$module = $DB->get_record('modules', array('name'=>$add))) {
print_error('moduledoesnotexist');
}
$cw = get_course_section($section, $course->id);
if (!course_allowed_module($course, $module->id)) {
print_error('moduledisable');
}
$cm = null;
$data = new object();
$data->section = $section; // The section number itself - relative!!! (section column in course_sections)
$data->visible = $cw->visible;
$data->course = $course->id;
$data->module = $module->id;
$data->modulename = $module->name;
$data->groupmode = $course->groupmode;
$data->groupingid = $course->defaultgroupingid;
$data->groupmembersonly = 0;
$data->id = '';
$data->instance = '';
$data->coursemodule = '';
$data->add = $add;
$data->return = 0; //must be false if this is an add, go back to course view on cancel
if (plugin_supports('mod', $data->modulename, FEATURE_MOD_INTRO, true)) {
$draftid_editor = file_get_submitted_draft_itemid('introeditor');
file_prepare_draft_area($draftid_editor, null, null, null);
$data->introeditor = array('text'=>'', 'format'=>FORMAT_HTML, 'itemid'=>$draftid_editor); // TODO: add better default
}
if (!empty($type)) { //TODO: hopefully will be removed in 2.0
$data->type = $type;
}
$sectionname = get_section_name($course->format);
$fullmodulename = get_string('modulename', $module->name);
if ($data->section && $course->format != 'site') {
$heading = new object();
$heading->what = $fullmodulename;
$heading->to = "$sectionname $data->section";
$pageheading = get_string('addinganewto', 'moodle', $heading);
} else {
$pageheading = get_string('addinganew', 'moodle', $fullmodulename);
}
$pagepath = 'mod-' . $module->name . '-';
if (!empty($type)) { //TODO: hopefully will be removed in 2.0
$pagepath .= $type;
} else {
$pagepath .= 'mod';
}
$PAGE->set_pagetype($pagepath);
$navlinksinstancename = '';
} else if (!empty($update)) {
if (!$cm = get_coursemodule_from_id('', $update, 0)) {
print_error('invalidcoursemodule');
}
if (!$course = $DB->get_record('course', array('id'=>$cm->course))) {
print_error('invalidcourseid');
}
require_login($course, false, $cm); // needed to setup proper $COURSE
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
require_capability('moodle/course:manageactivities', $context);
if (!$module = $DB->get_record('modules', array('id'=>$cm->module))) {
print_error('moduledoesnotexist');
}
if (!$data = $DB->get_record($module->name, array('id'=>$cm->instance))) {
print_error('moduleinstancedoesnotexist');
}
if (!$cw = $DB->get_record('course_sections', array('id'=>$cm->section))) {
print_error('sectionnotexist');
}
$data->coursemodule = $cm->id;
$data->section = $cw->section; // The section number itself - relative!!! (section column in course_sections)
$data->visible = $cm->visible; //?? $cw->visible ? $cm->visible : 0; // section hiding overrides
$data->cmidnumber = $cm->idnumber; // The cm IDnumber
$data->groupmode = groups_get_activity_groupmode($cm); // locked later if forced
$data->groupingid = $cm->groupingid;
$data->groupmembersonly = $cm->groupmembersonly;
$data->course = $course->id;
$data->module = $module->id;
$data->modulename = $module->name;
$data->instance = $cm->instance;
$data->return = $return;
$data->update = $update;
$data->completion = $cm->completion;
$data->completionview = $cm->completionview;
$data->completionexpected = $cm->completionexpected;
$data->completionusegrade = is_null($cm->completiongradeitemnumber) ? 0 : 1;
if (!empty($CFG->enableavailability)) {
$data->availablefrom = $cm->availablefrom;
$data->availableuntil = $cm->availableuntil;
$data->showavailability = $cm->showavailability;
}
if (plugin_supports('mod', $data->modulename, FEATURE_MOD_INTRO, true)) {
$draftid_editor = file_get_submitted_draft_itemid('introeditor');
$currentintro = file_prepare_draft_area($draftid_editor, $context->id, $data->modulename.'_intro', 0, array('subdirs'=>true), $data->intro);
$data->introeditor = array('text'=>$currentintro, 'format'=>$data->introformat, 'itemid'=>$draftid_editor);
}
if ($items = grade_item::fetch_all(array('itemtype'=>'mod', 'itemmodule'=>$data->modulename,
'iteminstance'=>$data->instance, 'courseid'=>$course->id))) {
// add existing outcomes
foreach ($items as $item) {
if (!empty($item->outcomeid)) {
$data->{'outcome_'.$item->outcomeid} = 1;
}
}
// set category if present
$gradecat = false;
foreach ($items as $item) {
if ($gradecat === false) {
$gradecat = $item->categoryid;
continue;
}
if ($gradecat != $item->categoryid) {
//mixed categories
$gradecat = false;
break;
}
}
if ($gradecat !== false) {
// do not set if mixed categories present
$data->gradecat = $gradecat;
}
}
$sectionname = get_section_name($course->format);
$fullmodulename = get_string('modulename', $module->name);
if ($data->section && $course->format != 'site') {
$heading = new object();
$heading->what = $fullmodulename;
$heading->in = "$sectionname $cw->section";
$pageheading = get_string('updatingain', 'moodle', $heading);
} else {
$pageheading = get_string('updatinga', 'moodle', $fullmodulename);
}
$navlinksinstancename = array('name' => format_string($data->name, true), 'link' => "$CFG->wwwroot/mod/$module->name/view.php?id=$cm->id", 'type' => 'activityinstance');
$pagetype = 'mod-' . $module->name . '-';
if (!empty($type)) {
$pagetype .= $type;
} else {
$pagetype .= 'mod';
}
$PAGE->set_pagetype($pagetype);
} else {
require_login();
print_error('invalidaction');
}
$modmoodleform = "$CFG->dirroot/mod/$module->name/mod_form.php";
if (file_exists($modmoodleform)) {
require_once($modmoodleform);
} else {
print_error('noformdesc');
}
$modlib = "$CFG->dirroot/mod/$module->name/lib.php";
if (file_exists($modlib)) {
include_once($modlib);
} else {
print_error('modulemissingcode', '', '', $modlib);
}
$mformclassname = 'mod_'.$module->name.'_mod_form';
$mform = new $mformclassname($data, $cw->section, $cm, $course);
$mform->set_data($data);
if ($mform->is_cancelled()) {
if ($return && !empty($cm->id)) {
redirect("$CFG->wwwroot/mod/$module->name/view.php?id=$cm->id");
} else {
redirect("$CFG->wwwroot/course/view.php?id=$course->id#section-".$cw->section);
}
} else if ($fromform = $mform->get_data()) {
if (empty($fromform->coursemodule)) { //add
$cm = null;
if (!$course = $DB->get_record('course', array('id'=>$fromform->course))) {
print_error('invalidcourseid');
}
$fromform->instance = '';
$fromform->coursemodule = '';
} else { //update
if (!$cm = get_coursemodule_from_id('', $fromform->coursemodule, 0)) {
print_error('invalidcoursemodule');
}
if (!$course = $DB->get_record('course', array('id'=>$cm->course))) {
print_error('invalidcourseid');
}
$fromform->instance = $cm->instance;
$fromform->coursemodule = $cm->id;
}
if (!empty($fromform->coursemodule)) {
$context = get_context_instance(CONTEXT_MODULE, $fromform->coursemodule);
} else {
$context = get_context_instance(CONTEXT_COURSE, $course->id);
}
$fromform->course = $course->id;
$fromform->modulename = clean_param($fromform->modulename, PARAM_SAFEDIR); // For safety
$addinstancefunction = $fromform->modulename."_add_instance";
$updateinstancefunction = $fromform->modulename."_update_instance";
if (!isset($fromform->groupingid)) {
$fromform->groupingid = 0;
}
if (!isset($fromform->groupmembersonly)) {
$fromform->groupmembersonly = 0;
}
if (!isset($fromform->name)) { //label
$fromform->name = $fromform->modulename;
}
if (!isset($fromform->completion)) {
$fromform->completion = COMPLETION_DISABLED;
}
if (!isset($fromform->completionview)) {
$fromform->completionview = COMPLETION_VIEW_NOT_REQUIRED;
}
// Convert the 'use grade' checkbox into a grade-item number: 0 if
// checked, null if not
$fromform->completiongradeitemnumber =
isset($fromform->completionusegrade) && $fromform->completionusegrade
? 0 : null;
if (!empty($fromform->update)) {
if (!empty($course->groupmodeforce) or !isset($fromform->groupmode)) {
$fromform->groupmode = $cm->groupmode; // keep original
}
// update course module first
$cm->groupmode = $fromform->groupmode;
$cm->groupingid = $fromform->groupingid;
$cm->groupmembersonly = $fromform->groupmembersonly;
$completion = new completion_info($course);
if ($completion->is_enabled()) {
// Handle completion settings. If necessary, wipe existing completion
// data first.
if (!empty($fromform->completionunlocked)) {
$completion = new completion_info($course);
$completion->reset_all_state($cm);
}
$cm->completion = $fromform->completion;
$cm->completiongradeitemnumber = $fromform->completiongradeitemnumber;
$cm->completionview = $fromform->completionview;
$cm->completionexpected = $fromform->completionexpected;
}
if (!empty($CFG->enableavailability)) {
$cm->availablefrom = $fromform->availablefrom;
$cm->availableuntil = $fromform->availableuntil;
// The form time is midnight, but because we want it to be
// inclusive, set it to 23:59:59 on that day.
if ($cm->availableuntil) {
$cm->availableuntil = strtotime('23:59:59',
$cm->availableuntil);
}
$cm->showavailability = $fromform->showavailability;
condition_info::update_cm_from_form($cm,$fromform,true);
}
$DB->update_record('course_modules', $cm);
$modcontext = get_context_instance(CONTEXT_MODULE, $fromform->coursemodule);
// update embedded links and save files
if (plugin_supports('mod', $fromform->modulename, FEATURE_MOD_INTRO, true)) {
$fromform->intro = file_save_draft_area_files($fromform->introeditor['itemid'], $modcontext->id,
$fromform->modulename.'_intro', 0,
array('subdirs'=>true), $fromform->introeditor['text']);
$fromform->introformat = $fromform->introeditor['format'];
unset($fromform->introeditor);
}
if (!$updateinstancefunction($fromform, $mform)) {
print_error('cannotupdatemod', '', 'view.php?id=$course->id', $fromform->modulename);
}
// make sure visibility is set correctly (in particular in calendar)
set_coursemodule_visible($fromform->coursemodule, $fromform->visible);
if (isset($fromform->cmidnumber)) { //label
// set cm idnumber - uniqueness is already verified by form validation
set_coursemodule_idnumber($fromform->coursemodule, $fromform->cmidnumber);
}
add_to_log($course->id, "course", "update mod",
"../mod/$fromform->modulename/view.php?id=$fromform->coursemodule",
"$fromform->modulename $fromform->instance");
add_to_log($course->id, $fromform->modulename, "update",
"view.php?id=$fromform->coursemodule",
"$fromform->instance", $fromform->coursemodule);
} else if (!empty($fromform->add)) {
if (!empty($course->groupmodeforce) or !isset($fromform->groupmode)) {
$fromform->groupmode = 0; // do not set groupmode
}
if (!course_allowed_module($course, $fromform->modulename)) {
print_error('moduledisable', '', '', $fromform->modulename);
}
// first add course_module record because we need the context
$newcm = new object();
$newcm->course = $course->id;
$newcm->module = $fromform->module;
$newcm->instance = 0; // not known yet, will be updated later (this is similar to restore code)
$newcm->visible = $fromform->visible;
$newcm->groupmode = $fromform->groupmode;
$newcm->groupingid = $fromform->groupingid;
$newcm->groupmembersonly = $fromform->groupmembersonly;
$completion = new completion_info($course);
if ($completion->is_enabled()) {
$newcm->completion = $fromform->completion;
$newcm->completiongradeitemnumber = $fromform->completiongradeitemnumber;
$newcm->completionview = $fromform->completionview;
$newcm->completionexpected = $fromform->completionexpected;
}
if(!empty($CFG->enableavailability)) {
$newcm->availablefrom = $fromform->availablefrom;
$newcm->availableuntil = $fromform->availableuntil;
// The form time is midnight, but because we want it to be
// inclusive, set it to 23:59:59 on that day.
if ($newcm->availableuntil) {
$newcm->availableuntil = strtotime('23:59:59',
$newcm->availableuntil);
}
$newcm->showavailability = $fromform->showavailability;
}
if (!$fromform->coursemodule = add_course_module($newcm)) {
print_error('cannotaddcoursemodule');
}
$introeditor = $fromform->introeditor;
unset($fromform->introeditor);
$fromform->intro = $introeditor['text'];
$fromform->introformat = $introeditor['format'];
$returnfromfunc = $addinstancefunction($fromform, $mform);
if (!$returnfromfunc or !is_number($returnfromfunc)) {
// undo everything we can
$modcontext = get_context_instance(CONTEXT_MODULE, $fromform->coursemodule);
delete_context(CONTEXT_MODULE, $fromform->coursemodule);
$DB->delete_records('course_modules', array('id'=>$fromform->coursemodule));
if (!is_number($returnfromfunc)) {
print_error('invalidfunction', '', 'view.php?id=$course->id');
} else {
print_error('cannotaddnewmodule', '', "view.php?id=$course->id", $fromform->modulename);
}
}
$fromform->instance = $returnfromfunc;
$DB->set_field('course_modules', 'instance', $returnfromfunc, array('id'=>$fromform->coursemodule));
// update embedded links and save files
$modcontext = get_context_instance(CONTEXT_MODULE, $fromform->coursemodule);
if (plugin_supports('mod', $fromform->modulename, FEATURE_MOD_INTRO, true)) {
$fromform->intro = file_save_draft_area_files($introeditor['itemid'], $modcontext->id,
$fromform->modulename.'_intro', 0,
array('subdirs'=>true), $introeditor['text']);
$DB->set_field($fromform->modulename, 'intro', $fromform->intro, array('id'=>$fromform->instance));
}
// course_modules and course_sections each contain a reference
// to each other, so we have to update one of them twice.
$sectionid = add_mod_to_section($fromform);
$DB->set_field('course_modules', 'section', $sectionid, array('id'=>$fromform->coursemodule));
// make sure visibility is set correctly (in particular in calendar)
set_coursemodule_visible($fromform->coursemodule, $fromform->visible);
if (isset($fromform->cmidnumber)) { //label
// set cm idnumber - uniqueness is already verified by form validation
set_coursemodule_idnumber($fromform->coursemodule, $fromform->cmidnumber);
}
// Set up conditions
if ($CFG->enableavailability) {
condition_info::update_cm_from_form((object)array('id'=>$fromform->coursemodule), $fromform, false);
}
add_to_log($course->id, "course", "add mod",
"../mod/$fromform->modulename/view.php?id=$fromform->coursemodule",
"$fromform->modulename $fromform->instance");
add_to_log($course->id, $fromform->modulename, "add",
"view.php?id=$fromform->coursemodule",
"$fromform->instance", $fromform->coursemodule);
} else {
print_error('invaliddata');
}
// sync idnumber with grade_item
if ($grade_item = grade_item::fetch(array('itemtype'=>'mod', 'itemmodule'=>$fromform->modulename,
'iteminstance'=>$fromform->instance, 'itemnumber'=>0, 'courseid'=>$course->id))) {
if ($grade_item->idnumber != $fromform->cmidnumber) {
$grade_item->idnumber = $fromform->cmidnumber;
$grade_item->update();
}
}
$items = grade_item::fetch_all(array('itemtype'=>'mod', 'itemmodule'=>$fromform->modulename,
'iteminstance'=>$fromform->instance, 'courseid'=>$course->id));
// create parent category if requested and move to correct parent category
if ($items and isset($fromform->gradecat)) {
if ($fromform->gradecat == -1) {
$grade_category = new grade_category();
$grade_category->courseid = $course->id;
$grade_category->fullname = $fromform->name;
$grade_category->insert();
if ($grade_item) {
$parent = $grade_item->get_parent_category();
$grade_category->set_parent($parent->id);
}
$fromform->gradecat = $grade_category->id;
}
foreach ($items as $itemid=>$unused) {
$items[$itemid]->set_parent($fromform->gradecat);
if ($itemid == $grade_item->id) {
// use updated grade_item
$grade_item = $items[$itemid];
}
}
}
// add outcomes if requested
if ($outcomes = grade_outcome::fetch_all_available($course->id)) {
$grade_items = array();
// Outcome grade_item.itemnumber start at 1000, there is nothing above outcomes
$max_itemnumber = 999;
if ($items) {
foreach($items as $item) {
if ($item->itemnumber > $max_itemnumber) {
$max_itemnumber = $item->itemnumber;
}
}
}
foreach($outcomes as $outcome) {
$elname = 'outcome_'.$outcome->id;
if (array_key_exists($elname, $fromform) and $fromform->$elname) {
// so we have a request for new outcome grade item?
if ($items) {
foreach($items as $item) {
if ($item->outcomeid == $outcome->id) {
//outcome aready exists
continue 2;
}
}
}
$max_itemnumber++;
$outcome_item = new grade_item();
$outcome_item->courseid = $course->id;
$outcome_item->itemtype = 'mod';
$outcome_item->itemmodule = $fromform->modulename;
$outcome_item->iteminstance = $fromform->instance;
$outcome_item->itemnumber = $max_itemnumber;
$outcome_item->itemname = $outcome->fullname;
$outcome_item->outcomeid = $outcome->id;
$outcome_item->gradetype = GRADE_TYPE_SCALE;
$outcome_item->scaleid = $outcome->scaleid;
$outcome_item->insert();
// move the new outcome into correct category and fix sortorder if needed
if ($grade_item) {
$outcome_item->set_parent($grade_item->categoryid);
$outcome_item->move_after_sortorder($grade_item->sortorder);
} else if (isset($fromform->gradecat)) {
$outcome_item->set_parent($fromform->gradecat);
}
}
}
}
rebuild_course_cache($course->id);
grade_regrade_final_grades($course->id);
if (isset($fromform->submitbutton)) {
redirect("$CFG->wwwroot/mod/$module->name/view.php?id=$fromform->coursemodule");
} else {
redirect("$CFG->wwwroot/course/view.php?id=$course->id");
}
exit;
} else {
if (!empty($cm->id)) {
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
} else {
$context = get_context_instance(CONTEXT_COURSE, $course->id);
}
$streditinga = get_string('editinga', 'moodle', $fullmodulename);
$strmodulenameplural = get_string('modulenameplural', $module->name);
$PAGE->navbar->add($streditinga);
$PAGE->set_heading($course->fullname);
$PAGE->set_title($streditinga);
$PAGE->set_focuscontrol($mform->focus());
$PAGE->set_cacheable(false);
echo $OUTPUT->header();
if (!empty($cm->id)) {
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
$overridableroles = get_overridable_roles($context);
$assignableroles = get_assignable_roles($context);
$currenttab = 'update';
require($CFG->dirroot.'/'.$CFG->admin.'/roles/tabs.php');
}
$helpicon = new moodle_help_icon();
$helpicon->page = 'mods';
$helpicon->text = $pageheading;
$helpicon->module = $module->name;
echo $OUTPUT->heading_with_help($helpicon, $OUTPUT->mod_icon_url('icon', $module->name));
$mform->display();
echo $OUTPUT->footer();
}
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