moodle/admin/roles/allowoverride.php

127 lines
5.5 KiB
PHP
Executable File

<?php // $Id$
///////////////////////////////////////////////////////////////////////////
// //
// 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 //
// //
///////////////////////////////////////////////////////////////////////////
/**
* this page defines what roles can override (override roles in different context. For example,
* we can say that Admin can override teacher roles in a course
* To be able to override roles. If a user has moodle/role:override at context level
* and be in the roles_allow_override table.
*
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
* @package roles
*//** */
require_once('../../config.php');
require_once($CFG->libdir.'/adminlib.php');
require_login();
$systemcontext = get_context_instance(CONTEXT_SYSTEM);
require_capability('moodle/role:manage', $systemcontext);
/// Get all roles
$roles = get_all_roles();
role_fix_names($roles, $systemcontext, ROLENAME_ORIGINAL);
/// Process form submission
if (optional_param('submit', false, PARAM_BOOL) && data_submitted() && confirm_sesskey()) {
/// Delete all records, then add back the ones that should be allowed.
$DB->delete_records('role_allow_override');
foreach ($roles as $fromroleid => $notused) {
foreach ($roles as $targetroleid => $alsonotused) {
if (optional_param('s_' . $fromroleid . '_' . $targetroleid, false, PARAM_BOOL)) {
allow_override($fromroleid, $targetroleid);
}
}
}
/// Updated allowoverrides sitewide, so force a premissions refresh, and redirect.
mark_context_dirty($systemcontext->path);
add_to_log(SITEID, 'role', 'edit allow override', 'admin/roles/allowoverride.php', '', '', $USER->id);
redirect($CFG->wwwroot . '/' . $CFG->admin . '/roles/allowoverride.php');
}
/// Load the current settings
$allowed = array();
foreach ($roles as $role) {
// Make an array $role->id => false. This is probalby too clever for its own good.1
$allowed[$role->id] = array_combine(array_keys($roles), array_fill(0, count($roles), false));
}
$raas = $DB->get_recordset('role_allow_override');
foreach ($raas as $raa) {
$allowed[$raa->roleid][$raa->allowoverride] = true;
}
/// Display the editing form.
admin_externalpage_setup('defineroles');
admin_externalpage_print_header();
$currenttab='allowoverride';
require_once('managetabs.php');
$table->tablealign = 'center';
$table->cellpadding = 5;
$table->cellspacing = 0;
$table->width = '90%';
$table->align[] = 'left';
$table->rotateheaders = true;
$table->head = array('&#xa0;');
/// Add role name headers.
foreach ($roles as $targetrole) {
$table->head[] = $targetrole->localname;
$table->align[] = 'left';
}
/// Now the rest of the table.
foreach ($roles as $fromrole) {
$row = array($fromrole->localname);
$a = new stdClass;
$a->fromrole = $fromrole->localname;
foreach ($roles as $targetrole) {
if ($allowed[$fromrole->id][$targetrole->id]) {
$checked = ' checked="checked"';
} else {
$checked = '';
}
$a->targetrole = $targetrole->localname;
$name = 's_' . $fromrole->id . '_' . $targetrole->id;
$tooltip = get_string('allowroletooverride', 'role', $a);
$row[] = '<input type="checkbox" name="' . $name . '" id="' . $name . '" title="' . $tooltip . '" value="1"' . $checked . ' />' .
'<label for="' . $name . '" class="accesshide">' . $tooltip . '</label>';
}
$table->data[] = $row;
}
print_simple_box(get_string('configallowoverride2', 'admin'), 'center');
echo '<form action="allowoverride.php" method="post">';
echo '<input type="hidden" name="sesskey" value="' . sesskey() . '" />';
print_table($table);
echo '<div class="buttons"><input type="submit" name="submit" value="'.get_string('savechanges').'"/>';
echo '</div></form>';
admin_externalpage_print_footer();
?>