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249 lines
10 KiB
249 lines
10 KiB
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Edit course settings
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*
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* @package core_course
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* @copyright 1999 onwards Martin Dougiamas (http://dougiamas.com)
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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require_once('../config.php');
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require_once('lib.php');
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require_once('edit_form.php');
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$id = optional_param('id', 0, PARAM_INT); // Course id.
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$categoryid = optional_param('category', 0, PARAM_INT); // Course category - can be changed in edit form.
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$returnto = optional_param('returnto', 0, PARAM_ALPHANUM); // Generic navigation return page switch.
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$returnurl = optional_param('returnurl', '', PARAM_LOCALURL); // A return URL. returnto must also be set to 'url'.
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if ($returnto === 'url' && confirm_sesskey() && $returnurl) {
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// If returnto is 'url' then $returnurl may be used as the destination to return to after saving or cancelling.
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// Sesskey must be specified, and would be set by the form anyway.
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$returnurl = new moodle_url($returnurl);
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} else {
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if (!empty($id)) {
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$returnurl = new moodle_url($CFG->wwwroot . '/course/view.php', array('id' => $id));
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} else {
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$returnurl = new moodle_url($CFG->wwwroot . '/course/');
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}
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if ($returnto !== 0) {
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switch ($returnto) {
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case 'category':
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$returnurl = new moodle_url($CFG->wwwroot . '/course/index.php', array('categoryid' => $categoryid));
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break;
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case 'catmanage':
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$returnurl = new moodle_url($CFG->wwwroot . '/course/management.php', array('categoryid' => $categoryid));
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break;
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case 'topcatmanage':
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$returnurl = new moodle_url($CFG->wwwroot . '/course/management.php');
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break;
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case 'topcat':
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$returnurl = new moodle_url($CFG->wwwroot . '/course/');
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break;
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case 'pending':
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$returnurl = new moodle_url($CFG->wwwroot . '/course/pending.php');
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break;
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}
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}
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}
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$PAGE->set_pagelayout('admin');
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if ($id) {
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$pageparams = array('id' => $id);
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} else {
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$pageparams = array('category' => $categoryid);
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}
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if ($returnto !== 0) {
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$pageparams['returnto'] = $returnto;
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if ($returnto === 'url' && $returnurl) {
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$pageparams['returnurl'] = $returnurl;
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}
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}
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$PAGE->set_url('/course/edit.php', $pageparams);
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// Basic access control checks.
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if ($id) {
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// Editing course.
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if ($id == SITEID){
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// Don't allow editing of 'site course' using this from.
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print_error('cannoteditsiteform');
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}
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// Login to the course and retrieve also all fields defined by course format.
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$course = get_course($id);
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require_login($course);
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$course = course_get_format($course)->get_course();
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$category = $DB->get_record('course_categories', array('id'=>$course->category), '*', MUST_EXIST);
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$coursecontext = context_course::instance($course->id);
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require_capability('moodle/course:update', $coursecontext);
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} else if ($categoryid) {
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// Creating new course in this category.
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$course = null;
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require_login();
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$category = $DB->get_record('course_categories', array('id'=>$categoryid), '*', MUST_EXIST);
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$catcontext = context_coursecat::instance($category->id);
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require_capability('moodle/course:create', $catcontext);
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$PAGE->set_context($catcontext);
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} else {
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// Creating new course in default category.
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$course = null;
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require_login();
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$category = core_course_category::get_default();
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$catcontext = context_coursecat::instance($category->id);
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require_capability('moodle/course:create', $catcontext);
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$PAGE->set_context($catcontext);
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}
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// Prepare course and the editor.
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$editoroptions = array('maxfiles' => EDITOR_UNLIMITED_FILES, 'maxbytes'=>$CFG->maxbytes, 'trusttext'=>false, 'noclean'=>true);
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$overviewfilesoptions = course_overviewfiles_options($course);
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if (!empty($course)) {
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// Add context for editor.
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$editoroptions['context'] = $coursecontext;
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$editoroptions['subdirs'] = file_area_contains_subdirs($coursecontext, 'course', 'summary', 0);
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$course = file_prepare_standard_editor($course, 'summary', $editoroptions, $coursecontext, 'course', 'summary', 0);
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if ($overviewfilesoptions) {
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file_prepare_standard_filemanager($course, 'overviewfiles', $overviewfilesoptions, $coursecontext, 'course', 'overviewfiles', 0);
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}
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// Inject current aliases.
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$aliases = $DB->get_records('role_names', array('contextid'=>$coursecontext->id));
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foreach($aliases as $alias) {
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$course->{'role_'.$alias->roleid} = $alias->name;
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}
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// Populate course tags.
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$course->tags = core_tag_tag::get_item_tags_array('core', 'course', $course->id);
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} else {
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// Editor should respect category context if course context is not set.
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$editoroptions['context'] = $catcontext;
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$editoroptions['subdirs'] = 0;
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$course = file_prepare_standard_editor($course, 'summary', $editoroptions, null, 'course', 'summary', null);
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if ($overviewfilesoptions) {
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file_prepare_standard_filemanager($course, 'overviewfiles', $overviewfilesoptions, null, 'course', 'overviewfiles', 0);
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}
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}
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// First create the form.
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$args = array(
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'course' => $course,
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'category' => $category,
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'editoroptions' => $editoroptions,
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'returnto' => $returnto,
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'returnurl' => $returnurl
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);
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$editform = new course_edit_form(null, $args);
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if ($editform->is_cancelled()) {
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// The form has been cancelled, take them back to what ever the return to is.
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redirect($returnurl);
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} else if ($data = $editform->get_data()) {
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// Process data if submitted.
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if (empty($course->id)) {
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// In creating the course.
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$course = create_course($data, $editoroptions);
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// Get the context of the newly created course.
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$context = context_course::instance($course->id, MUST_EXIST);
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if (!empty($CFG->creatornewroleid) and !is_viewing($context, NULL, 'moodle/role:assign') and !is_enrolled($context, NULL, 'moodle/role:assign')) {
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// Deal with course creators - enrol them internally with default role.
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enrol_try_internal_enrol($course->id, $USER->id, $CFG->creatornewroleid);
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}
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// The URL to take them to if they chose save and display.
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$courseurl = new moodle_url('/course/view.php', array('id' => $course->id));
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// If they choose to save and display, and they are not enrolled take them to the enrolments page instead.
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if (!is_enrolled($context) && isset($data->saveanddisplay)) {
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// Redirect to manual enrolment page if possible.
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$instances = enrol_get_instances($course->id, true);
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foreach($instances as $instance) {
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if ($plugin = enrol_get_plugin($instance->enrol)) {
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if ($plugin->get_manual_enrol_link($instance)) {
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// We know that the ajax enrol UI will have an option to enrol.
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$courseurl = new moodle_url('/user/index.php', array('id' => $course->id, 'newcourse' => 1));
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break;
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}
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}
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}
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}
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} else {
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// Save any changes to the files used in the editor.
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update_course($data, $editoroptions);
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// Set the URL to take them too if they choose save and display.
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$courseurl = new moodle_url('/course/view.php', array('id' => $course->id));
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}
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if (isset($data->saveanddisplay)) {
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// Redirect user to newly created/updated course.
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redirect($courseurl);
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} else {
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// Save and return. Take them back to wherever.
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redirect($returnurl);
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}
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}
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// Print the form.
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$site = get_site();
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$streditcoursesettings = get_string("editcoursesettings");
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$straddnewcourse = get_string("addnewcourse");
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$stradministration = get_string("administration");
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$strcategories = get_string("categories");
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if (!empty($course->id)) {
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// Navigation note: The user is editing a course, the course will exist within the navigation and settings.
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// The navigation will automatically find the Edit settings page under course navigation.
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$pagedesc = $streditcoursesettings;
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$title = $streditcoursesettings;
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$fullname = $course->fullname;
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} else {
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// The user is adding a course, this page isn't presented in the site navigation/admin.
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// Adding a new course is part of course category management territory.
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// We'd prefer to use the management interface URL without args.
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$managementurl = new moodle_url('/course/management.php');
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// These are the caps required in order to see the management interface.
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$managementcaps = array('moodle/category:manage', 'moodle/course:create');
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if ($categoryid && !has_any_capability($managementcaps, context_system::instance())) {
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// If the user doesn't have either manage caps then they can only manage within the given category.
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$managementurl->param('categoryid', $categoryid);
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}
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// Because the course category management interfaces are buried in the admin tree and that is loaded by ajax
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// we need to manually tell the navigation we need it loaded. The second arg does this.
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navigation_node::override_active_url($managementurl, true);
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$pagedesc = $straddnewcourse;
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$title = "$site->shortname: $straddnewcourse";
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$fullname = $site->fullname;
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$PAGE->navbar->add($pagedesc);
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}
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$PAGE->set_title($title);
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$PAGE->set_heading($fullname);
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echo $OUTPUT->header();
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echo $OUTPUT->heading($pagedesc);
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$editform->display();
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echo $OUTPUT->footer();
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