moodle/admin/roles/tabs.php

235 lines
9.6 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 //
// //
///////////////////////////////////////////////////////////////////////////
/**
* Handles headers and tabs for the roles control at any level apart from SYSTEM level
* We assume that $currenttab, $assignableroles and $overridableroles are defined
*
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
* @package roles
*//** */
if (!defined('MOODLE_INTERNAL')) {
die('Direct access to this script is forbidden.'); // It must be included from a Moodle page
}
if (!isset($availablefilters)) {
$availablefilters = array();
if (in_array($context->contextlevel, array(CONTEXT_COURSECAT, CONTEXT_COURSE, CONTEXT_MODULE)) &&
!($context->contextlevel == CONTEXT_COURSE && $context->instanceid == SITEID) &&
has_capability('moodle/filter:manage', $context)) {
$availablefilters = filter_get_available_in_context($context);
}
}
$navlinks = array();
if ($currenttab != 'update') {
switch ($context->contextlevel) {
case CONTEXT_SYSTEM:
$stradministration = get_string('administration');
$navlinks[] = array('name' => $stradministration, 'link' => '../index.php', 'type' => 'misc');
$navlinks[] = array('name' => $straction, 'link' => null, 'type' => 'misc');
$navigation = build_navigation($navlinks);
if (empty($title)) {
$title = $SITE->fullname;
}
print_header($title, "$SITE->fullname", $navigation);
break;
case CONTEXT_USER:
print_header();
break;
case CONTEXT_COURSECAT:
$category = $DB->get_record('course_categories', array('id'=>$context->instanceid));
$strcategories = get_string("categories");
$strcategory = get_string("category");
$strcourses = get_string("courses");
$navlinks[] = array('name' => $strcategories,
'link' => "$CFG->wwwroot/course/index.php",
'type' => 'misc');
$navlinks[] = array('name' => $category->name,
'link' => "$CFG->wwwroot/course/category.php?id=$category->id",
'type' => 'misc');
$navigation = build_navigation($navlinks);
if (empty($title)) {
$title = "$SITE->shortname: $category->name";
}
print_header($title, "$SITE->fullname: $strcourses", $navigation, "", "", true);
break;
case CONTEXT_COURSE:
if ($context->instanceid != SITEID) {
$course = $DB->get_record('course', array('id'=>$context->instanceid));
require_login($course);
$navlinks[] = array('name' => get_string('roles'),
'link' => "$CFG->wwwroot/$CFG->admin/roles/assign.php?contextid=$context->id",
'type' => 'misc');
$navigation = build_navigation($navlinks);
if (empty($title)) {
$title = get_string("editcoursesettings");
}
print_header($title, $course->fullname, $navigation);
}
break;
case CONTEXT_MODULE:
if (!$cm = get_coursemodule_from_id('', $context->instanceid)) {
print_error('invalidcoursemodule', 'error');
}
if (!$course = $DB->get_record('course', array('id' => $cm->course))) {
print_error('invalidcourse');
}
require_login($course);
$navigation = build_navigation(get_string('roles'), $cm);
if (empty($title)) {
$title = get_string("editinga", "moodle", $fullmodulename);
}
print_header_simple($title, '', $navigation, '', '', false);
break;
case CONTEXT_BLOCK:
if ($blockinstance = $DB->get_record('block_instances', array('id' => $context->instanceid))) {
$blockname = print_context_name($context);
$parentcontext = get_context_instance_by_id($blockinstance->contextid);
$navlinks[] = array('name' => $blockname, 'link' => null, 'type' => 'misc');
$navlinks[] = array('name' => $straction, 'link' => null, 'type' => 'misc');
switch ($parentcontext->contextlevel) {
case CONTEXT_SYSTEM:
break;
case CONTEXT_COURSECAT:
$PAGE->set_category_by_id($parentcontext->instanceid);
break;
case CONTEXT_COURSE:
require_login($parentcontext->instanceid);
break;
case CONTEXT_MODULE:
$cm = get_coursemodule_from_id('', $parentcontext->instanceid);
require_login($parentcontext->instanceid, false, $cm);
break;
case CONTEXT_USER:
break;
default:
throw new invalid_state_exception('Block context ' . $blockname .
' has parent context with an improper contextlevel ' . $parentcontext->contextlevel);
}
print_header("$straction: $blockname", $PAGE->course->fullname, build_navigation($navlinks));
}
break;
default:
print_error('unknowncontext');
return false;
}
}
$toprow = array();
$inactive = array();
$activetwo = array();
if ($context->contextlevel != CONTEXT_SYSTEM) { // Print tabs for anything except SYSTEM context
if ($context->contextlevel == CONTEXT_MODULE) { // Only show update button if module
$toprow[] = new tabobject('update', $CFG->wwwroot.'/course/mod.php?update='.
$context->instanceid.'&amp;return=true&amp;sesskey='.sesskey(), get_string('settings'));
}
if (!empty($assignableroles) || $currenttab=='assign') {
$toprow[] = new tabobject('assign',
$CFG->wwwroot.'/'.$CFG->admin.'/roles/assign.php?contextid='.$context->id,
get_string('localroles', 'role'), '', true);
}
if (!empty($overridableroles)) {
$toprow[] = new tabobject('override',
$CFG->wwwroot.'/'.$CFG->admin.'/roles/override.php?contextid='.$context->id,
get_string('overridepermissions', 'role'), '', true);
}
if (has_any_capability(array('moodle/role:assign', 'moodle/role:safeoverride',
'moodle/role:override', 'moodle/role:assign'), $context)) {
$toprow[] = new tabobject('check',
$CFG->wwwroot.'/'.$CFG->admin.'/roles/check.php?contextid='.$context->id,
get_string('checkpermissions', 'role'));
}
if (!empty($availablefilters)) {
$toprow[] = new tabobject('filters',
$CFG->wwwroot.'/filter/manage.php?contextid=' . $context->id,
get_string('filters', 'admin'));
}
}
/// Here other core tabs should go (always calling tabs.php files)
/// All the logic to decide what to show must be self-contained in the tabs file
/// eg:
/// include_once($CFG->dirroot . '/grades/tabs.php');
/// Finally, we support adding some 'on-the-fly' tabs here
/// All the logic to decide what to show must be self-cointained in the tabs file
if (!empty($CFG->extratabs)) {
if ($extratabs = explode(',', $CFG->extratabs)) {
asort($extratabs);
foreach($extratabs as $extratab) {
/// Each extra tab must be one $CFG->dirroot relative file
if (file_exists($CFG->dirroot . '/' . $extratab)) {
include_once($CFG->dirroot . '/' . $extratab);
}
}
}
}
$inactive[] = $currenttab;
$tabs = array($toprow);
/// If there are any secondrow defined, let's introduce it
if (isset($secondrow) && is_array($secondrow) && !empty($secondrow)) {
$tabs[] = $secondrow;
}
print_tabs($tabs, $currenttab, $inactive, $activetwo);
?>