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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/>.
/**
* Lets the user edit role definitions.
*
* Responds to actions:
* add - add a new role
* duplicate - like add, only initialise the new role by using an existing one.
* edit - edit the definition of a role
* view - view the definition of a role
*
* @package core
* @subpackage role
* @copyright 1999 onwards Martin Dougiamas (http://dougiamas.com)
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once(dirname(__FILE__) . '/../../config.php');
require_once($CFG->dirroot . '/' . $CFG->admin . '/roles/lib.php');
$action = required_param('action', PARAM_ALPHA);
if (!in_array($action, array('add', 'duplicate', 'edit', 'view'))) {
throw new moodle_exception('invalidaccess');
}
if ($action != 'add') {
$roleid = required_param('roleid', PARAM_INT);
} else {
$roleid = 0;
}
/// Get the base URL for this and related pages into a convenient variable.
$manageurl = $CFG->wwwroot . '/' . $CFG->admin . '/roles/manage.php';
$defineurl = $CFG->wwwroot . '/' . $CFG->admin . '/roles/define.php';
if ($action == 'duplicate') {
$baseurl = $defineurl . '?action=add';
} else {
$baseurl = $defineurl . '?action=' . $action;
if ($roleid) {
$baseurl .= '&amp;roleid=' . $roleid;
}
}
/// Check access permissions.
$systemcontext = get_context_instance(CONTEXT_SYSTEM);
require_login();
require_capability('moodle/role:manage', $systemcontext);
admin_externalpage_setup('defineroles', '', array('action' => $action, 'roleid' => $roleid), $defineurl);
/// Handle the cancel button.
if (optional_param('cancel', false, PARAM_BOOL)) {
redirect($manageurl);
}
/// Handle the toggle advanced mode button.
$showadvanced = get_user_preferences('definerole_showadvanced', false);
if (optional_param('toggleadvanced', false, PARAM_BOOL)) {
$showadvanced = !$showadvanced;
set_user_preference('definerole_showadvanced', $showadvanced);
}
/// Get some basic data we are going to need.
$roles = get_all_roles();
$rolenames = role_fix_names($roles, $systemcontext, ROLENAME_ORIGINAL);
$rolescount = count($roles);
/// Create the table object.
if ($action == 'view') {
$definitiontable = new view_role_definition_table($systemcontext, $roleid);
} else if ($showadvanced) {
$definitiontable = new define_role_table_advanced($systemcontext, $roleid);
} else {
$definitiontable = new define_role_table_basic($systemcontext, $roleid);
}
$definitiontable->read_submitted_permissions();
if ($action == 'duplicate') {
$definitiontable->make_copy();
}
/// Process submission in necessary.
if (optional_param('savechanges', false, PARAM_BOOL) && confirm_sesskey() && $definitiontable->is_submission_valid()) {
$definitiontable->save_changes();
add_to_log(SITEID, 'role', $action, 'admin/roles/define.php?action=view&roleid=' .
$definitiontable->get_role_id(), $definitiontable->get_role_name(), '', $USER->id);
redirect($manageurl);
}
/// Print the page header and tabs.
echo $OUTPUT->header();
$currenttab = 'manage';
include('managetabs.php');
if ($action == 'add') {
$title = get_string('addinganewrole', 'role');
} else if ($action == 'duplicate') {
$title = get_string('addingrolebycopying', 'role', $rolenames[$roleid]->localname);
} else if ($action == 'view') {
$title = get_string('viewingdefinitionofrolex', 'role', $rolenames[$roleid]->localname);
} else if ($action == 'edit') {
$title = get_string('editingrolex', 'role', $rolenames[$roleid]->localname);
}
echo $OUTPUT->heading_with_help($title, 'roles', 'role');
/// Work out some button labels.
if ($action == 'add' || $action == 'duplicate') {
$submitlabel = get_string('createthisrole', 'role');
} else {
$submitlabel = get_string('savechanges');
}
/// On the view page, show some extra controls at the top.
if ($action == 'view') {
echo $OUTPUT->container_start('buttons');
$options = array();
$options['roleid'] = $roleid;
$options['action'] = 'edit';
echo $OUTPUT->single_button(new moodle_url($defineurl, $options), get_string('edit'));
$options['action'] = 'reset';
if ($definitiontable->get_archetype()) {
echo $OUTPUT->single_button(new moodle_url($manageurl, $options), get_string('resetrole', 'role'));
} else {
echo $OUTPUT->single_button(new moodle_url($manageurl, $options), get_string('resetrolenolegacy', 'role'));
}
$options['action'] = 'duplicate';
echo $OUTPUT->single_button(new moodle_url($defineurl, $options), get_string('duplicaterole', 'role'));
echo $OUTPUT->single_button(new moodle_url($manageurl), get_string('listallroles', 'role'));
echo $OUTPUT->container_end();
}
// Start the form.
echo $OUTPUT->box_start('generalbox');
if ($action == 'view') {
echo '<div class="mform">';
} else {
?>
<form id="rolesform" class="mform" action="<?php echo $baseurl; ?>" method="post"><div>
<input type="hidden" name="sesskey" value="<?php p(sesskey()) ?>" />
<div class="submit buttons">
<input type="submit" name="savechanges" value="<?php echo $submitlabel; ?>" />
<input type="submit" name="cancel" value="<?php print_string('cancel'); ?>" />
</div>
<?php
}
// Print the form controls.
$definitiontable->display();
/// Close the stuff we left open above.
if ($action == 'view') {
echo '</div>';
} else {
?>
<div class="submit buttons">
<input type="submit" name="savechanges" value="<?php echo $submitlabel; ?>" />
<input type="submit" name="cancel" value="<?php print_string('cancel'); ?>" />
</div>
</div></form>
<?php
}
echo $OUTPUT->box_end();
/// Print a link back to the all roles list.
echo '<div class="backlink">';
echo '<p><a href="' . $manageurl . '">' . get_string('backtoallroles', 'role') . '</a></p>';
echo '</div>';
echo $OUTPUT->footer();
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