C:/xampp/htdocs/moodle/mod/lti/backup/moodle2/backup_lti_activity_task.class.php

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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/>.
//
// This file is part of BasicLTI4Moodle
//
// BasicLTI4Moodle is an IMS BasicLTI (Basic Learning Tools for Interoperability)
// consumer for Moodle 1.9 and Moodle 2.0. BasicLTI is a IMS Standard that allows web
// based learning tools to be easily integrated in LMS as native ones. The IMS BasicLTI
// specification is part of the IMS standard Common Cartridge 1.1 Sakai and other main LMS
// are already supporting or going to support BasicLTI. This project Implements the consumer
// for Moodle. Moodle is a Free Open source Learning Management System by Martin Dougiamas.
// BasicLTI4Moodle is a project iniciated and leaded by Ludo(Marc Alier) and Jordi Piguillem
// at the GESSI research group at UPC.
// SimpleLTI consumer for Moodle is an implementation of the early specification of LTI
// by Charles Severance (Dr Chuck) htp://dr-chuck.com , developed by Jordi Piguillem in a
// Google Summer of Code 2008 project co-mentored by Charles Severance and Marc Alier.
//
// BasicLTI4Moodle is copyright 2009 by Marc Alier Forment, Jordi Piguillem and Nikolas Galanis
// of the Universitat Politecnica de Catalunya http://www.upc.edu
// Contact info: Marc Alier Forment granludo @ gmail.com or marc.alier @ upc.edu

defined('MOODLE_INTERNAL') || die;

require_once($CFG->dirroot . '/mod/lti/backup/moodle2/backup_lti_stepslib.php');

class backup_lti_activity_task extends backup_activity_task {

    protected function define_my_settings() {
        // No particular settings for this activity
    }

    protected function define_my_steps() {
        // Choice only has one structure step
        $this->add_step(new backup_lti_activity_structure_step('lti_structure', 'lti.xml'));
    }

    static public function encode_content_links($content) {
        global $CFG;

        $base = preg_quote($CFG->wwwroot, "/");

        // Link to the list of basiclti tools
        $search="/(".$base."\/mod\/lti\/index.php\?id\=)([0-9]+)/";
        $content= preg_replace($search, '$@LTIINDEX*$2@$', $content);

        // Link to basiclti view by moduleid
        $search="/(".$base."\/mod\/lti\/view.php\?id\=)([0-9]+)/";
        $content= preg_replace($search, '$@LTIVIEWBYID*$2@$', $content);

        return $content;
    }
}