mirror of
https://github.com/moodle/moodle.git
synced 2025-01-19 14:27:22 +01:00
272 lines
12 KiB
PHP
Executable File
272 lines
12 KiB
PHP
Executable File
<?php
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// //
|
|
// NOTICE OF COPYRIGHT //
|
|
// //
|
|
// Moodle - Modular Object-Oriented Dynamic Learning Environment //
|
|
// http://moodle.org //
|
|
// //
|
|
// Copyright (C) 1999 onwards Martin Dougiamas http://dougiamas.com //
|
|
// //
|
|
// This program 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 2 of the License, or //
|
|
// (at your option) any later version. //
|
|
// //
|
|
// This program 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: //
|
|
// //
|
|
// http://www.gnu.org/copyleft/gpl.html //
|
|
// //
|
|
///////////////////////////////////////////////////////////////////////////
|
|
|
|
/**
|
|
* Lets you override role definitions in contexts.
|
|
*
|
|
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
|
|
* @package roles
|
|
*//** */
|
|
|
|
require_once(dirname(__FILE__) . '/../../config.php');
|
|
require_once($CFG->dirroot . '/' . $CFG->admin . '/roles/lib.php');
|
|
|
|
$contextid = required_param('contextid', PARAM_INT); // context id
|
|
$roleid = optional_param('roleid', 0, PARAM_INT); // requested role id
|
|
$userid = optional_param('userid', 0, PARAM_INT); // needed for user tabs
|
|
$courseid = optional_param('courseid', 0, PARAM_INT); // needed for user tabs
|
|
$returnurl = optional_param('returnurl', null, PARAM_LOCALURL);
|
|
|
|
/// Get the base URL for this and related pages into a convenient variable.
|
|
$urlparams = array('contextid' => $contextid);
|
|
if (!empty($userid)) {
|
|
$urlparams['userid'] = $userid;
|
|
}
|
|
if ($courseid && $courseid != SITEID) {
|
|
$urlparams['courseid'] = $courseid;
|
|
}
|
|
if ($returnurl) {
|
|
$urlparams['returnurl'] = $returnurl;
|
|
}
|
|
$PAGE->set_url($CFG->admin . '/roles/override.php', $urlparams);
|
|
$baseurl = $PAGE->url->out();
|
|
|
|
/// Validate the contextid parameter.
|
|
if (!$context = $DB->get_record('context', array('id'=>$contextid))) {
|
|
print_error('wrongcontextid', 'error');
|
|
}
|
|
$isfrontpage = $context->contextlevel == CONTEXT_COURSE && $context->instanceid == SITEID;
|
|
$contextname = print_context_name($context);
|
|
|
|
if ($context->contextlevel == CONTEXT_SYSTEM) {
|
|
print_error('cannotoverridebaserole', 'error');
|
|
}
|
|
|
|
/// Validate the courseid parameter.
|
|
if ($context->contextlevel == CONTEXT_COURSE) {
|
|
$courseid = $context->instanceid;
|
|
if (!$course = $DB->get_record('course', array('id'=>$courseid))) {
|
|
print_error('invalidcourse');
|
|
}
|
|
} if ($courseid) { // we need this for user tabs in user context
|
|
if (!$course = $DB->get_record('course', array('id'=>$courseid))) {
|
|
print_error('invalidcourse');
|
|
}
|
|
} else {
|
|
$course = clone($SITE);
|
|
$courseid = SITEID;
|
|
}
|
|
|
|
/// Check access permissions.
|
|
require_login($course);
|
|
$safeoverridesonly = !has_capability('moodle/role:override', $context);
|
|
if ($safeoverridesonly) {
|
|
require_capability('moodle/role:safeoverride', $context);
|
|
}
|
|
|
|
/// Handle the cancel button.
|
|
if (optional_param('cancel', false, PARAM_BOOL)) {
|
|
redirect($baseurl);
|
|
}
|
|
|
|
/// Handle the toggle advanced mode button.
|
|
$showadvanced = get_user_preferences('overridepermissions_showadvanced', false);
|
|
if (optional_param('toggleadvanced', false, PARAM_BOOL)) {
|
|
$showadvanced = !$showadvanced;
|
|
set_user_preference('overridepermissions_showadvanced', $showadvanced);
|
|
}
|
|
|
|
/// These are needed early because of tabs.php
|
|
$assignableroles = get_assignable_roles($context, ROLENAME_BOTH);
|
|
list($overridableroles, $overridecounts, $nameswithcounts) = get_overridable_roles($context, ROLENAME_BOTH, true);
|
|
|
|
/// Make sure this user can override that role
|
|
if ($roleid && !isset($overridableroles[$roleid])) {
|
|
$a = new stdClass;
|
|
$a->roleid = $roleid;
|
|
$a->context = $contextname;
|
|
print_error('cannotoverriderolehere', '', get_context_url($context), $a);
|
|
}
|
|
|
|
|
|
/// If we are actually overriding a role, create the table object, and save changes if appropriate.
|
|
if ($roleid) {
|
|
if ($showadvanced) {
|
|
$overridestable = new override_permissions_table_advanced($context, $roleid, $safeoverridesonly);
|
|
} else {
|
|
$overridestable = new override_permissions_table_basic($context, $roleid, $safeoverridesonly);
|
|
}
|
|
$overridestable->read_submitted_permissions();
|
|
|
|
if (optional_param('savechanges', false, PARAM_BOOL) && confirm_sesskey()) {
|
|
$overridestable->save_changes();
|
|
$rolename = $overridableroles[$roleid];
|
|
add_to_log($course->id, 'role', 'override', 'admin/roles/override.php?contextid='.$context->id.'&roleid='.$roleid, $rolename, '', $USER->id);
|
|
redirect($baseurl);
|
|
}
|
|
}
|
|
|
|
/// Work out an appropriate page title.
|
|
if ($roleid) {
|
|
$a = new stdClass;
|
|
$a->role = $overridableroles[$roleid];
|
|
$a->context = $contextname;
|
|
$title = get_string('overridepermissionsforrole', 'role', $a);
|
|
} else {
|
|
if ($isfrontpage) {
|
|
$title = get_string('frontpageoverrides', 'admin');
|
|
} else {
|
|
$title = get_string('overridepermissionsin', 'role', $contextname);
|
|
}
|
|
}
|
|
|
|
/// Print the header and tabs
|
|
$straction = get_string('overrideroles', 'role'); // Used by tabs.php
|
|
if ($context->contextlevel == CONTEXT_USER) {
|
|
$user = $DB->get_record('user', array('id'=>$userid));
|
|
$fullname = fullname($user, has_capability('moodle/site:viewfullnames', $context));
|
|
|
|
$PAGE->set_title($title);
|
|
if ($courseid != SITEID) {
|
|
if (has_capability('moodle/course:viewparticipants', get_context_instance(CONTEXT_COURSE, $course->id))) {
|
|
$PAGE->navbar->add(get_string('participants'), new moodle_url($CFG->wwwroot.'/user/index.php', array('id'=>$course->id)));
|
|
}
|
|
$PAGE->set_heading($fullname);
|
|
} else {
|
|
$PAGE->set_heading($course->fullname);
|
|
}
|
|
$PAGE->navbar->add($fullname, new moodle_url("$CFG->wwwroot/user/view.php", array('id'=>$userid,'course'=>$courseid)));
|
|
$PAGE->navbar->add($straction);
|
|
echo $OUTPUT->header();
|
|
|
|
$showroles = 1;
|
|
$currenttab = 'override';
|
|
include_once($CFG->dirroot.'/user/tabs.php');
|
|
} else if ($context->contextlevel==CONTEXT_COURSE and $context->instanceid == SITEID) {
|
|
require_once($CFG->libdir.'/adminlib.php');
|
|
admin_externalpage_setup('frontpageroles', '', array('contextid' => $contextid, 'roleid' => $roleid), $CFG->wwwroot . '/' . $CFG->admin . '/roles/override.php');
|
|
admin_externalpage_print_header();
|
|
$currenttab = 'override';
|
|
include_once('tabs.php');
|
|
} else {
|
|
$currenttab = 'override';
|
|
include_once('tabs.php');
|
|
}
|
|
|
|
$helpicon = new moodle_help_icon();
|
|
$helpicon->text = $title;
|
|
$helpicon->page = 'overrides';
|
|
echo $OUTPUT->heading_with_help($helpicon);
|
|
|
|
if ($roleid) {
|
|
/// Show UI for overriding roles.
|
|
|
|
if (!empty($capabilities)) {
|
|
echo $OUTPUT->box(get_string('nocapabilitiesincontext', 'role'), 'generalbox boxaligncenter');
|
|
|
|
} else {
|
|
// Print the capabilities overrideable in this context
|
|
echo $OUTPUT->box_start('generalbox boxwidthwide boxaligncenter');
|
|
|
|
if ($showadvanced) {
|
|
$showadvancedlabel = get_string('hideadvanced', 'form');
|
|
} else {
|
|
$showadvancedlabel = get_string('showadvanced', 'form');
|
|
}
|
|
?>
|
|
<form id="overrideform" action="<?php echo $baseurl . '&roleid=' . $roleid; ?>" method="post"><div>
|
|
<input type="hidden" name="sesskey" value="<?php p(sesskey()); ?>" />
|
|
|
|
<div class="advancedbutton">
|
|
<input type="submit" name="toggleadvanced" value="<?php echo $showadvancedlabel ?>" />
|
|
</div>
|
|
<div class="submit buttons">
|
|
<input type="submit" name="savechanges" value="<?php print_string('savechanges') ?>" />
|
|
<input type="submit" name="cancel" value="<?php print_string('cancel') ?>" />
|
|
</div>
|
|
<?php
|
|
|
|
echo '<p class="overridenotice">' . get_string('highlightedcellsshowinherit', 'role') . ' </p>';
|
|
$overridestable->display();
|
|
|
|
if ($overridestable->has_locked_capabiltites()) {
|
|
echo '<p class="overridenotice">' . get_string('safeoverridenotice', 'role') . "</p>\n";
|
|
}
|
|
|
|
?>
|
|
<div class="submit buttons">
|
|
<input type="submit" name="savechanges" value="<?php print_string('savechanges') ?>" />
|
|
<input type="submit" name="cancel" value="<?php print_string('cancel') ?>" />
|
|
</div>
|
|
</div></form>
|
|
|
|
<?php
|
|
echo $OUTPUT->box_end();
|
|
|
|
}
|
|
|
|
/// Print a form to swap roles, and a link back to the all roles list.
|
|
echo '<div class="backlink">';
|
|
$select = html_select::make_popup_form($baseurl, 'roleid', $nameswithcounts, 'switchrole', $roleid);
|
|
$select->set_label(get_string('overrideanotherrole', 'role'));
|
|
$select->nothinglabel = false;
|
|
echo $OUTPUT->select($select);
|
|
echo '<p><a href="' . $baseurl . '">' . get_string('backtoallroles', 'role') . '</a></p>';
|
|
echo '</div>';
|
|
|
|
} else if (empty($overridableroles)) {
|
|
/// Print a message that there are no roles that can me assigned here.
|
|
echo $OUTPUT->heading(get_string('notabletooverrideroleshere', 'role'), 3, 'mdl-align');
|
|
|
|
} else {
|
|
/// Show UI for choosing a role to assign.
|
|
|
|
$table = new html_table();
|
|
$table->tablealign = 'center';
|
|
$table->width = '60%';
|
|
$table->head = array(get_string('role'), get_string('description'), get_string('overrides', 'role'));
|
|
$table->wrap = array('nowrap', '', 'nowrap');
|
|
$table->align = array('right', 'left', 'center');
|
|
|
|
foreach ($overridableroles as $roleid => $rolename) {
|
|
$countusers = 0;
|
|
$description = format_string($DB->get_field('role', 'description', array('id'=>$roleid)));
|
|
$table->data[] = array('<a href="'.$baseurl.'&roleid='.$roleid.'">'.$rolename.'</a>',
|
|
$description, $overridecounts[$roleid]);
|
|
}
|
|
|
|
echo $OUTPUT->table($table);
|
|
|
|
if (!$isfrontpage && ($url = get_context_url($context))) {
|
|
echo '<div class="backlink"><a href="' . $url . '">' .
|
|
get_string('backto', '', $contextname) . '</a></div>';
|
|
} else if ($returnurl) {
|
|
echo '<div class="backlink"><a href="' . $CFG->wwwroot . '/' . $returnurl . '">' .
|
|
get_string('backtopageyouwereon') . '</a></div>';
|
|
}
|
|
}
|
|
|
|
echo $OUTPUT->footer();
|