Proyectos de Subversion Moodle

<?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 (allows import, duplicate, archetype)

 *   export    - save xml role definition

 *   edit      - edit the definition of a role

 *   view      - view the definition of a role

 *

 * @package    core_role

 * @copyright  1999 onwards Martin Dougiamas (http://dougiamas.com)

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

require_once(__DIR__ . '/../../config.php');

require_once($CFG->libdir.'/adminlib.php');

$action = required_param('action', PARAM_ALPHA);

if (!in_array($action, array('add', 'export', 'edit', 'reset', 'view'))) {

    throw new moodle_exception('invalidaccess');

}

if ($action != 'add') {

    $roleid = required_param('roleid', PARAM_INT);

} else {

    $roleid = 0;

}

$resettype = optional_param('resettype', '', PARAM_RAW);

$return = optional_param('return', 'manage', PARAM_ALPHA);

// Get the base URL for this and related pages into a convenient variable.

$baseurl = new moodle_url('/admin/roles/define.php', array('action'=>$action, 'roleid'=>$roleid));

$manageurl = new moodle_url('/admin/roles/manage.php');

if ($return === 'manage') {

    $returnurl = $manageurl;

} else {

    $returnurl = new moodle_url('/admin/roles/define.php', array('action'=>'view', 'roleid'=>$roleid));;

}

admin_externalpage_setup('defineroles', '', array('action' => $action, 'roleid' => $roleid),

    new moodle_url('/admin/roles/define.php'));

// Check access permissions.

$systemcontext = context_system::instance();

require_capability('moodle/role:manage', $systemcontext);

// Export role.

if ($action === 'export') {

    core_role_preset::send_export_xml($roleid);

    die;

}

// 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);

if ($action === 'add') {

    $title = get_string('addinganewrole', 'core_role');

} else if ($action == 'view') {

    $title = get_string('viewingdefinitionofrolex', 'core_role', $rolenames[$roleid]->localname);

} else if ($action == 'reset') {

    $title = get_string('resettingrole', 'core_role', $rolenames[$roleid]->localname);

} else {

    $title = get_string('editingrolex', 'core_role', $rolenames[$roleid]->localname);

}

$PAGE->set_secondary_active_tab('users');

$PAGE->set_primary_active_tab('siteadminnode');

$PAGE->navbar->add($title, $baseurl);

// Decide how to create new role.

if ($action === 'add' and $resettype !== 'none') {

    $mform = new core_role_preset_form(null, array('action'=>'add', 'roleid'=>0, 'resettype'=>'0', 'return'=>'manage'));

    if ($mform->is_cancelled()) {

        redirect($manageurl);

    } else if ($data = $mform->get_data()) {

        $resettype = $data->resettype;

        $options = array(

            'shortname'     => 1,

            'name'          => 1,

            'description'   => 1,

            'permissions'   => 1,

            'archetype'     => 1,

            'contextlevels' => 1,

            'allowassign'   => 1,

            'allowoverride' => 1,

            'allowswitch'   => 1,

            'allowview'   => 1);

        if ($showadvanced) {

            $definitiontable = new core_role_define_role_table_advanced($systemcontext, 0);

        } else {

            $definitiontable = new core_role_define_role_table_basic($systemcontext, 0);

        }

        if (is_number($resettype)) {

            // Duplicate the role.

            $definitiontable->force_duplicate($resettype, $options);

        } else {

            // Must be an archetype.

            $definitiontable->force_archetype($resettype, $options);

        }

        if ($xml = $mform->get_file_content('rolepreset')) {

            $definitiontable->force_preset($xml, $options);

        }

    } else {

        echo $OUTPUT->header();

        echo $OUTPUT->heading_with_help($title, 'roles', 'core_role');

        $mform->display();

        echo $OUTPUT->footer();

        die;

    }

} else if ($action === 'reset' and $resettype !== 'none') {

    if (!$role = $DB->get_record('role', array('id'=>$roleid))) {

        redirect($manageurl);

    }

    $resettype = empty($role->archetype) ? '0' : $role->archetype;

    $mform = new core_role_preset_form(null,

        array('action'=>'reset', 'roleid'=>$roleid, 'resettype'=>$resettype , 'permissions'=>1, 'archetype'=>1, 'contextlevels'=>1, 'return'=>$return));

    if ($mform->is_cancelled()) {

        redirect($returnurl);

    } else if ($data = $mform->get_data()) {

        $resettype = $data->resettype;

        $options = array(

            'shortname'     => $data->shortname,

            'name'          => $data->name,

            'description'   => $data->description,

            'permissions'   => $data->permissions,

            'archetype'     => $data->archetype,

            'contextlevels' => $data->contextlevels,

            'allowassign'   => $data->allowassign,

            'allowoverride' => $data->allowoverride,

            'allowswitch'   => $data->allowswitch,

            'allowview'     => $data->allowview);

        if ($showadvanced) {

            $definitiontable = new core_role_define_role_table_advanced($systemcontext, $roleid);

        } else {

            $definitiontable = new core_role_define_role_table_basic($systemcontext, $roleid);

        }

        if (is_number($resettype)) {

            // Duplicate the role.

            $definitiontable->force_duplicate($resettype, $options);

        } else {

            // Must be an archetype.

            $definitiontable->force_archetype($resettype, $options);

        }

        if ($xml = $mform->get_file_content('rolepreset')) {

            $definitiontable->force_preset($xml, $options);

        }

    } else {

        echo $OUTPUT->header();

        echo $OUTPUT->heading_with_help($title, 'roles', 'core_role');

        $mform->display();

        echo $OUTPUT->footer();

        die;

    }

} else {

    // Create the table object.

    if ($action === 'view') {

        $definitiontable = new core_role_view_role_definition_table($systemcontext, $roleid);

    } else if ($showadvanced) {

        $definitiontable = new core_role_define_role_table_advanced($systemcontext, $roleid);

    } else {

        $definitiontable = new core_role_define_role_table_basic($systemcontext, $roleid);

    }

    $definitiontable->read_submitted_permissions();

}

// Handle the cancel button.

if (optional_param('cancel', false, PARAM_BOOL)) {

    redirect($returnurl);

}

// Process submission in necessary.

if (optional_param('savechanges', false, PARAM_BOOL) && confirm_sesskey() && $definitiontable->is_submission_valid()) {

    $definitiontable->save_changes();

    $tableroleid = $definitiontable->get_role_id();

    if ($action === 'add') {

        redirect(new moodle_url('/admin/roles/define.php', array('action'=>'view', 'roleid'=>$definitiontable->get_role_id())));

    } else {

        redirect($returnurl);

    }

}

// Print the page header and tabs.

echo $OUTPUT->header();

$currenttab = 'manage';

require('managetabs.php');

echo $OUTPUT->heading_with_help($title, 'roles', 'core_role');

// Work out some button labels.

if ($action === 'add') {

    $submitlabel = get_string('createthisrole', 'core_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');

    $url = new moodle_url('/admin/roles/define.php', array('action'=>'edit', 'roleid'=>$roleid, 'return'=>'define'));

    echo $OUTPUT->single_button(new moodle_url($url), get_string('edit'));

    $url = new moodle_url('/admin/roles/define.php', array('action'=>'reset', 'roleid'=>$roleid, 'return'=>'define'));

    echo $OUTPUT->single_button(new moodle_url($url), get_string('resetrole', 'core_role'));

    $url = new moodle_url('/admin/roles/define.php', array('action'=>'export', 'roleid'=>$roleid));

    echo $OUTPUT->single_button(new moodle_url($url), get_string('export', 'core_role'));

    echo $OUTPUT->single_button($manageurl, get_string('listallroles', 'core_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 fcontainer" action="<?php p($baseurl->out(false)); ?>" method="post"><div>

<input type="hidden" name="sesskey" value="<?php p(sesskey()) ?>" />

<input type="hidden" name="return" value="<?php p($return); ?>" />

<input type="hidden" name="resettype" value="none" />

<div class="submitbuttons">

    <input type="submit" name="savechanges" class="btn btn-primary" value="<?php p($submitlabel); ?>" />

    <input type="submit" name="cancel" class="btn btn-secondary" 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="submitbuttons">

    <input type="submit" name="savechanges" class="btn btn-primary" value="<?php p($submitlabel); ?>" />

    <input type="submit" name="cancel" class="btn btn-secondary" 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="' . s($manageurl->out(false)) . '">' . get_string('backtoallroles', 'core_role') . '</a></p>';

echo '</div>';

echo $OUTPUT->footer();