<?php

require_once "../../config.php";

require_once $CFG->dirroot."/pdo.php";

require_once $CFG->dirroot."/lib/lms_lib.php";

require_once "data_util.php";

require_once "names.php";

require_once "locations.php";

use \Tsugi\Core\Settings;

use \Tsugi\Core\LTIX;

use \Tsugi\UI\SettingsForm;

$LTI = LTIX::requireData();

$p = $CFG->dbprefix;

if ( SettingsForm::handleSettingsPost() ) {

header( 'Location: '.addSession('index.php') ) ;

return;

}

// All the assignments we support

$assignments = array(

'regex_sum.php' => 'Sum with a Regular Expression',

'a12a.php' => 'Exploring HyperText Transport Protocol',

'comment_html.php' => 'Sum data from HTML',

'knows.php' => 'Follow links in a series of web pages.',

'comment_xml.php' => 'Sum data from XML',

'comment_json.php' => 'Sum data from JSON',

'geo_json.php' => 'Retrieve data from a JSON API'

);

$oldsettings = Settings::linkGetAll();

$assn = Settings::linkGet('exercise');

// Get any due date information

$dueDate = SettingsForm::getDueDate();

// Let the assignment handle the POST

if ( count($_POST) > 0 && $assn && isset($assignments[$assn]) ) {

require($assn);

return;

}

// View

$OUTPUT->header();

$OUTPUT->bodyStart();

// Settings button and dialog

echo('<span style="position: fixed; right: 10px; top: 5px;">');

if ( $USER->instructor ) {

echo('<a href="grades.php" target="_blank"><button class="btn btn-info">Grade detail</button></a> '."\n");

}

SettingsForm::button();

$OUTPUT->exitButton();

echo('</span>');

SettingsForm::start();

SettingsForm::select("exercise", __('Please select an assignment'),$assignments);

SettingsForm::dueDate();

SettingsForm::done();

SettingsForm::end();

$OUTPUT->welcomeUserCourse();

$OUTPUT->flashMessages();

if ( $assn && isset($assignments[$assn]) ) {

require($assn);

} else {

if ( $USER->instructor ) {

echo("<p>Please use settings to select an assignment for this tool.</p>\n");

} else {

echo("<p>This tool needs to be configured - please see your instructor.</p>\n");

}

}

$OUTPUT->footer();