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mod.php
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mod.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/>.
/**
* Moves, adds, updates, duplicates or deletes modules in a course
*
* @copyright 1999 Martin Dougiamas http://dougiamas.com
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @package course
*/
require("../config.php");
require_once("lib.php");
require_login();
$sectionreturn = optional_param('sr', '', PARAM_INT);
$add = optional_param('add', '', PARAM_ALPHA);
$type = optional_param('type', '', PARAM_ALPHA);
$indent = optional_param('indent', 0, PARAM_INT);
$update = optional_param('update', 0, PARAM_INT);
$hide = optional_param('hide', 0, PARAM_INT);
$show = optional_param('show', 0, PARAM_INT);
$copy = optional_param('copy', 0, PARAM_INT);
$moveto = optional_param('moveto', 0, PARAM_INT);
$movetosection = optional_param('movetosection', 0, PARAM_INT);
$delete = optional_param('delete', 0, PARAM_INT);
$course = optional_param('course', 0, PARAM_INT);
$groupmode = optional_param('groupmode', -1, PARAM_INT);
$cancelcopy = optional_param('cancelcopy', 0, PARAM_BOOL);
$confirm = optional_param('confirm', 0, PARAM_BOOL);
// This page should always redirect
$url = new moodle_url('/course/mod.php');
foreach (compact('indent','update','hide','show','copy','moveto','movetosection','delete','course','cancelcopy','confirm') as $key=>$value) {
if ($value !== 0) {
$url->param($key, $value);
}
}
if ($sectionreturn !== '') {
$url->param('sr', $sectionreturn);
}
if ($add !== '') {
$url->param('add', $add);
}
if ($type !== '') {
$url->param('type', $type);
}
if ($groupmode !== '') {
$url->param('groupmode', $groupmode);
}
$PAGE->set_url($url);
//check if we are adding / editing a module that has new forms using formslib
if (!empty($add)) {
$id = required_param('id', PARAM_INT);
$section = required_param('section', PARAM_INT);
$type = optional_param('type', '', PARAM_ALPHA);
$returntomod = optional_param('return', 0, PARAM_BOOL);
redirect("$CFG->wwwroot/course/modedit.php?add=$add&type=$type&course=$id§ion=$section&return=$returntomod");
} else if (!empty($update)) {
if (!$cm = get_coursemodule_from_id('', $update, 0, true)) {
print_error('invalidcoursemodule');
}
$returntomod = optional_param('return', 0, PARAM_BOOL);
redirect("$CFG->wwwroot/course/modedit.php?update=$update&return=$returntomod");
} else if (!empty($delete)) {
if (!$cm = get_coursemodule_from_id('', $delete, 0, true)) {
print_error('invalidcoursemodule');
}
if (!$course = $DB->get_record('course', array('id'=>$cm->course))) {
print_error('invalidcourseid');
}
require_login($course->id); // needed to setup proper $COURSE
$context = get_context_instance(CONTEXT_COURSE, $course->id);
$modcontext = get_context_instance(CONTEXT_MODULE, $cm->id);
require_capability('moodle/course:manageactivities', $context);
$return = "$CFG->wwwroot/course/view.php?id=$cm->course#section-$cm->sectionnum";
if (!$confirm or !confirm_sesskey()) {
$fullmodulename = get_string('modulename', $cm->modname);
$optionsyes = array('confirm'=>1, 'delete'=>$cm->id, 'sesskey'=>sesskey());
$optionsno = array('id'=>$cm->course);
$strdeletecheck = get_string('deletecheck', '', $fullmodulename);
$strdeletecheckfull = get_string('deletecheckfull', '', "$fullmodulename '$cm->name'");
$PAGE->set_pagetype('mod-' . $cm->modname . '-delete');
$PAGE->set_title($strdeletecheck);
$PAGE->set_heading($course->fullname);
$PAGE->navbar->add($strdeletecheck);
echo $OUTPUT->header();
// print_simple_box_start('center', '60%', '#FFAAAA', 20, 'noticebox');
echo $OUTPUT->box_start('noticebox');
$formcontinue = new single_button(new moodle_url("$CFG->wwwroot/course/mod.php", $optionsyes), get_string('yes'));
$formcancel = new single_button(new moodle_url($return, $optionsno), get_string('no'), 'get');
echo $OUTPUT->confirm($strdeletecheckfull, $formcontinue, $formcancel);
echo $OUTPUT->box_end();
echo $OUTPUT->footer();
exit;
}
$modlib = "$CFG->dirroot/mod/$cm->modname/lib.php";
if (file_exists($modlib)) {
require_once($modlib);
} else {
print_error('modulemissingcode', '', '', $modlib);
}
$deleteinstancefunction = $cm->modname."_delete_instance";
if (!$deleteinstancefunction($cm->instance)) {
echo $OUTPUT->notification("Could not delete the $cm->modname (instance)");
}
// remove all module files in case modules forget to do that
$fs = get_file_storage();
$fs->delete_area_files($modcontext->id);
if (!delete_course_module($cm->id)) {
echo $OUTPUT->notification("Could not delete the $cm->modname (coursemodule)");
}
if (!delete_mod_from_section($cm->id, $cm->section)) {
echo $OUTPUT->notification("Could not delete the $cm->modname from that section");
}
// Trigger a mod_deleted event with information about this module.
$eventdata = new stdClass();
$eventdata->modulename = $cm->modname;
$eventdata->cmid = $cm->id;
$eventdata->courseid = $course->id;
$eventdata->userid = $USER->id;
events_trigger('mod_deleted', $eventdata);
add_to_log($course->id, 'course', "delete mod",
"view.php?id=$cm->course",
"$cm->modname $cm->instance", $cm->id);
rebuild_course_cache($course->id);
redirect($return);
}
if ((!empty($movetosection) or !empty($moveto)) and confirm_sesskey()) {
if (!$cm = get_coursemodule_from_id('', $USER->activitycopy, 0, true)) {
print_error('invalidcoursemodule');
}
if (!empty($movetosection)) {
if (!$section = $DB->get_record('course_sections', array('id'=>$movetosection, 'course'=>$cm->course))) {
print_error('sectionnotexist');
}
$beforecm = NULL;
} else { // normal moveto
if (!$beforecm = get_coursemodule_from_id('', $moveto, $cm->course, true)) {
print_error('invalidcoursemodule');
}
if (!$section = $DB->get_record('course_sections', array('id'=>$beforecm->section, 'course'=>$cm->course))) {
print_error('sectionnotexist');
}
}
require_login($section->course); // needed to setup proper $COURSE
$context = get_context_instance(CONTEXT_COURSE, $section->course);
require_capability('moodle/course:manageactivities', $context);
if (!ismoving($section->course)) {
print_error('needcopy', '', "view.php?id=$section->course");
}
moveto_module($cm, $section, $beforecm);
unset($USER->activitycopy);
unset($USER->activitycopycourse);
unset($USER->activitycopyname);
rebuild_course_cache($section->course);
if (SITEID == $section->course) {
redirect($CFG->wwwroot);
} else {
redirect("view.php?id=$section->course#section-$sectionreturn");
}
} else if (!empty($indent) and confirm_sesskey()) {
$id = required_param('id', PARAM_INT);
if (!$cm = get_coursemodule_from_id('', $id, 0, true)) {
print_error('invalidcoursemodule');
}
require_login($cm->course); // needed to setup proper $COURSE
$context = get_context_instance(CONTEXT_COURSE, $cm->course);
require_capability('moodle/course:manageactivities', $context);
$cm->indent += $indent;
if ($cm->indent < 0) {
$cm->indent = 0;
}
$DB->set_field('course_modules', 'indent', $cm->indent, array('id'=>$cm->id));
rebuild_course_cache($cm->course);
if (SITEID == $cm->course) {
redirect($CFG->wwwroot);
} else {
redirect("view.php?id=$cm->course#section-$cm->sectionnum");
}
} else if (!empty($hide) and confirm_sesskey()) {
if (!$cm = get_coursemodule_from_id('', $hide, 0, true)) {
print_error('invalidcoursemodule');
}
require_login($cm->course); // needed to setup proper $COURSE
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
require_capability('moodle/course:activityvisibility', $context);
set_coursemodule_visible($cm->id, 0);
rebuild_course_cache($cm->course);
if (SITEID == $cm->course) {
redirect($CFG->wwwroot);
} else {
redirect("view.php?id=$cm->course#section-$cm->sectionnum");
}
} else if (!empty($show) and confirm_sesskey()) {
if (!$cm = get_coursemodule_from_id('', $show, 0, true)) {
print_error('invalidcoursemodule');
}
require_login($cm->course); // needed to setup proper $COURSE
$context = get_context_instance(CONTEXT_COURSE, $cm->course);
require_capability('moodle/course:activityvisibility', $context);
if (!$section = $DB->get_record('course_sections', array('id'=>$cm->section))) {
print_error('sectionnotexist');
}
if (!$module = $DB->get_record('modules', array('id'=>$cm->module))) {
print_error('moduledoesnotexist');
}
if ($module->visible and ($section->visible or (SITEID == $cm->course))) {
set_coursemodule_visible($cm->id, 1);
rebuild_course_cache($cm->course);
}
if (SITEID == $cm->course) {
redirect($CFG->wwwroot);
} else {
redirect("view.php?id=$cm->course#section-$cm->sectionnum");
}
} else if ($groupmode > -1 and confirm_sesskey()) {
$id = required_param('id', PARAM_INT);
if (!$cm = get_coursemodule_from_id('', $id, 0, true)) {
print_error('invalidcoursemodule');
}
require_login($cm->course); // needed to setup proper $COURSE
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
require_capability('moodle/course:manageactivities', $context);
set_coursemodule_groupmode($cm->id, $groupmode);
rebuild_course_cache($cm->course);
if (SITEID == $cm->course) {
redirect($CFG->wwwroot);
} else {
redirect("view.php?id=$cm->course#section-$cm->sectionnum");
}
} else if (!empty($copy) and confirm_sesskey()) { // value = course module
if (!$cm = get_coursemodule_from_id('', $copy, 0, true)) {
print_error('invalidcoursemodule');
}
require_login($cm->course); // needed to setup proper $COURSE
$context = get_context_instance(CONTEXT_COURSE, $cm->course);
require_capability('moodle/course:manageactivities', $context);
if (!$section = $DB->get_record('course_sections', array('id'=>$cm->section))) {
print_error('sectionnotexist');
}
$USER->activitycopy = $copy;
$USER->activitycopycourse = $cm->course;
$USER->activitycopyname = $cm->name;
redirect("view.php?id=$cm->course#section-$sectionreturn");
} else if (!empty($cancelcopy) and confirm_sesskey()) { // value = course module
$courseid = $USER->activitycopycourse;
unset($USER->activitycopy);
unset($USER->activitycopycourse);
unset($USER->activitycopyname);
redirect("view.php?id=$courseid");
} else {
print_error('unknowaction');
}