<?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

/**
 * This file defines the global lti administration form
 *
 * @package    mod
 * @subpackage lti
 * @copyright  2009 Marc Alier, Jordi Piguillem, Nikolas Galanis
 *  marc.alier@upc.edu
 * @copyright  2009 Universitat Politecnica de Catalunya http://www.upc.edu
 * @author     Marc Alier
 * @author     Jordi Piguillem
 * @author     Nikolas Galanis
 * @author     Chris Scribner
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die;

if ($ADMIN->fulltree) {
    require_once($CFG->dirroot.'/mod/lti/locallib.php');

    $configuredtoolshtml = '';
    $pendingtoolshtml = '';
    $rejectedtoolshtml = '';

    $active = get_string('active', 'lti');
    $pending = get_string('pending', 'lti');
    $rejected = get_string('rejected', 'lti');
    $typename = get_string('typename', 'lti');
    $baseurl = get_string('baseurl', 'lti');
    $action = get_string('action', 'lti');
    $createdon = get_string('createdon', 'lti');

    $types = lti_filter_get_types(get_site()->id);

    $configuredtools = array_filter($types, function($value) {
        return $value->state == LTI_TOOL_STATE_CONFIGURED;
    });

    $configuredtoolshtml = lti_get_tool_table($configuredtools, 'lti_configured');

    $pendingtools = array_filter($types, function($value) {
        return $value->state == LTI_TOOL_STATE_PENDING;
    });

    $pendingtoolshtml = lti_get_tool_table($pendingtools, 'lti_pending');

    $rejectedtools = array_filter($types, function($value) {
        return $value->state == LTI_TOOL_STATE_REJECTED;
    });

    $rejectedtoolshtml = lti_get_tool_table($rejectedtools, 'lti_rejected');

    $tab = optional_param('tab', '', PARAM_ALPHAEXT);
    $activeselected = '';
    $pendingselected = '';
    $rejectedselected = '';
    switch ($tab) {
        case 'lti_pending':
            $pendingselected = 'class="selected"';
            break;
        case 'lti_rejected':
            $rejectedselected = 'class="selected"';
            break;
        default:
            $activeselected = 'class="selected"';
            break;
    }

    $template = "
<div id=\"lti_tabs\" class=\"yui-navset\">
    <ul id=\"lti_tab_heading\" class=\"yui-nav\" style=\"display:none\">
        <li {$activeselected}>
            <a href=\"#tab1\">
                <em>$active</em>
            </a>
        </li>
        <li {$pendingselected}>
            <a href=\"#tab2\">
                <em>$pending</em>
            </a>
        </li>
        <li {$rejectedselected}>
            <a href=\"#tab3\">
                <em>$rejected</em>
            </a>
        </li>
    </ul>
    <div class=\"yui-content\">
        <div>
            $configuredtoolshtml
        </div>
        <div>
            $pendingtoolshtml
        </div>
        <div>
            $rejectedtoolshtml
        </div>
    </div>
</div>

<script type=\"text/javascript\">
//<![CDATA[
    (function(){
        //If javascript is disabled, they will just see the three tabs one after another
        var lti_tab_heading = document.getElementById('lti_tab_heading');
        lti_tab_heading.style.display = '';

        new YAHOO.widget.TabView('lti_tabs');

        var setupTools = function(id, sort){
            var lti_tools = YAHOO.util.Dom.get(id + '_tools');

            if(lti_tools){
                var dataSource = new YAHOO.util.DataSource(lti_tools);

                var configuredColumns = [
                    {key:'name', label:'$typename', sortable:true},
                    {key:'baseURL', label:'$baseurl', sortable:true},
                    {key:'timecreated', label:'$createdon', sortable:true, formatter:YAHOO.widget.DataTable.formatDate},
                    {key:'action', label:'$action'}
                ];

                dataSource.responseType = YAHOO.util.DataSource.TYPE_HTMLTABLE;
                dataSource.responseSchema = {
                    fields: [
                        {key:'name'},
                        {key:'baseURL'},
                        {key:'timecreated', parser:'date'},
                        {key:'action'}
                    ]
                };

                new YAHOO.widget.DataTable(id + '_container', configuredColumns, dataSource,
                    {
                        sortedBy: sort
                    }
                );
            }
        };

        setupTools('lti_configured', {key:'name', dir:'asc'});
        setupTools('lti_pending', {key:'timecreated', dir:'desc'});
        setupTools('lti_rejected', {key:'timecreated', dir:'desc'});
    })();
//]]
</script>
";
    global $PAGE; // TODO: Move to YUI3 ASAP
    $PAGE->requires->yui2_lib('tabview');
    $PAGE->requires->yui2_lib('datatable');

    $settings->add(new admin_setting_heading('lti_types', get_string('external_tool_types', 'lti') . $OUTPUT->help_icon('main_admin', 'lti'), $template));
}
