print.php

<?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/>.

/**
 * print a printview of evaluation-items
 *
 * @author Andreas Grabs
 * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
 * @package mod_evaluation
 */

require_once("../../config.php");
require_once("lib.php");
global $USER, $DB;

/* used only once to migrate data from evaluation tables
$e_from_f = optional_param('e_from_f', false, PARAM_INT); // copy globl evaluations forem evaluation tables to evaluation tables
if( $e_from_f)
{	evaluation_copy_from_evaluation(); // in lib.php, use with care
	exit;
}*/

$id = required_param('id', PARAM_INT);
$courseid = optional_param('courseid', false, PARAM_INT); // Course where this evaluation is mapped to - used for return link.
$teacherid = optional_param('teacherid', false, PARAM_INT);
$department = optional_param('department', false, PARAM_TEXT);
$daily_progress =
        optional_param('daily_progress', false, PARAM_INT); // show daily evaluation completions from start to end of evaluation
$logViews = optional_param('logViews', false, PARAM_INT); // show log views from Moodle log
$logsubject = optional_param('logsubject', 'AllActivities', PARAM_TEXT); // subject for log views from Moodle log
$course_of_studiesID = optional_param('course_of_studiesID', false, PARAM_INT);
$showCourses_of_studies = optional_param('showCourses_of_studies', false, PARAM_INT);
$showCourses = optional_param('showCourses', false, PARAM_INT); // show all courses of evaluation>id
$reminder = optional_param('reminder', false, PARAM_INT); // show option to participate in evaluation completion
$showTeacher = optional_param('showTeacher', false, PARAM_INT); // show all courses for teacher by user->id
$showResults = optional_param('showResults', false, PARAM_INT); // show list of courses with evaluation results
$_SESSION["notevaluated"] = optional_param('notevaluated', "", PARAM_ALPHA); // show  courses that have not been evaluated
$showEvaluations = optional_param('showEvaluations', false, PARAM_INT); // show list of courses with evaluation results
$sortBy = optional_param('sortBy', "", PARAM_ALPHA); // sort order for showResults
$autofill = optional_param('autofill', false, PARAM_INT); // evaluation_autofill_item_studiengang
$showTeacherResults = optional_param('showTeacherResults', false, PARAM_INT); // show list of teachers with evaluation results
$showCompare = optional_param('showCompare', false, PARAM_INT); // compare all results with filter results
$showPrivUsers = optional_param('showPrivUsers', false, PARAM_INT); // show privileged users
$Chart = optional_param('Chart', false, PARAM_ALPHANUM);
if (!isset($_SESSION["Chart"])) {
    $_SESSION["Chart"] = "line";
}
if (empty($Chart)) {
    $Chart = $_SESSION["Chart"];
} else {
    $_SESSION["Chart"] = $Chart;
}

$PAGE->set_url('/mod/evaluation/print.php', array('id' => $id, 'courseid' => $courseid));

list($course, $cm) = get_course_and_cm_from_cmid($id, 'evaluation');
require_course_login($course, true, $cm);

$evaluation = $PAGE->activityrecord;
$evaluationstructure = new mod_evaluation_structure($evaluation, $cm, $courseid);
list($isPermitted, $CourseTitle, $CourseName, $SiteEvaluation) =
        evaluation_check_Roles_and_Permissions($courseid, $evaluation, $cm);

if ($course_of_studiesID) {
    $course_of_studies = evaluation_get_course_of_studies_from_evc($course_of_studiesID, $evaluation);
}

$a = new stdClass();
$ev_name = ev_get_tr($evaluation->name);

$PAGE->set_pagelayout('popup');

// Print the page header.
//$strevaluations = get_string("modulenameplural", "evaluation");
//$evaluation_url = new moodle_url('/mod/evaluation/index.php', array('id'=>$course->id));
//$PAGE->navbar->add($strevaluations, $evaluation_url);
//$PAGE->navbar->add(format_string($ev_name));

$PAGE->set_title($ev_name);
$PAGE->set_heading($course->fullname);
echo $OUTPUT->header();
print '<div id="LoginAs" class="LoginAs d-print-none"></div><span style="clear:both;"><br></span>';
evaluation_LoginAs();

// Print the main part of the page.
$icon = '<img src="pix/icon120.png" height="30" alt="' . $ev_name . '">';
echo $OUTPUT->heading($icon . "&nbsp;" . format_string($ev_name));

// show return button
$goBack = html_writer::tag('button', ev_get_string('back'),
        array('class' => "d-print-none", 'style' => 'color:white;background-color:black;text-align:center;',
                'type' => 'button', 'onclick' => 'window.history.back();'));
// 'type' => 'button','onclick'=>'(window.history.back()?window.history.back():window.close());'));

if (defined('EVALUATION_OWNER')) {
    if (is_bool($showResults) === false) {
        print showEvaluationCourseResults($evaluation, $showResults, $sortBy, $id, $courseid);
        //echo $OUTPUT->footer();
        evaluation_footer();
        $printWidth = "135vw";
        require_once("print.js.php");
        exit;
    }

    if (is_bool($showTeacherResults) === false) {
        print showEvaluationTeacherResults($evaluation, $showTeacherResults, $sortBy, $id, $courseid);
        evaluation_footer();
        $printWidth = "135vw";
        require_once("print.js.php");
        exit;
    }

    if ($showPrivUsers){
        echo $goBack;
        echo evPrintButton();
        echo "\n<p>&nbsp;</p>\n";
        print ev_set_privileged_users(true);
        evaluation_footer();
        $printWidth = "135vw";
        require_once("print.js.php");
        exit;
    }

}


if ($showCompare) {
    require_once("compare_results.inc.php");
    evaluation_compare_results($evaluation, $courseid, $teacherid, $course_of_studiesID, $department);
    evaluation_footer();
    // logging: error invalid course module id ??? (March 2022)
    // evaluation_trigger_module_statistics($evaluation, $cm, $courseid);
    // load js to handle printing
    $printWidth = "90vw"; //100vw
    require_once("print.js.php");
    exit;
}

if ($autofill and
        is_siteadmin()) {    //evaluation_autofill_item_studiengang($autofill); // in lib.php, use with care, check item-no template and studiengang item before calling
    if (!$evaluation->teamteaching) {
        echo "<hr>\n";
        echo "<br><hr>evaluation_autofill_field_teacherid für Evaluation ID $evaluation->id:<br>\n";
        //evaluation_autofill_field_teacherid($evaluation,true);
        evaluation_autofill_duplicate_field_teacherid($evaluation, false);
        echo "<br>Autofill wurde abgearbeitet!<hr>\n";
    }
    evaluation_footer();
    exit;
}

if ($logViews) {
    if (!defined('EVALUATION_OWNER')) {
        print "<p style=\\" . get_string('you_have_no_permission', 'evaluation') .
                "</#000000>";
        print $OUTPUT->footer();
        exit;
    }
    $date = get_string('date');
    $responses = "views";
    echo '<h1 style="display:inline;display:inlinecolor:#000000;text-align:left;font-weight:bolder;">' .
            get_string('usageReport', "evaluation") . "</h1><br>\n";
    // all log data for this evaluation
    $subjects = array('AllActivities' => get_string('AllActivities', 'evaluation'),
            'submittedEvaluations' => get_string('submittedEvaluations', 'evaluation'),
            'overview' => get_string('overview', 'evaluation'),
            'analysis' => get_string('analysis', 'evaluation'), 'analysisExport' => "Excel Export",
            'statistics' => get_string('statistics', 'evaluation'), 'show_entries' => get_string('show_entries', 'evaluation'),
            'viewsglobalEvaluationInstances' => get_string('viewsglobalEvaluationInstances', 'evaluation')
    );
    $goBack = html_writer::tag('a', "Zurück", array('class' => "d-print-none",
                    'style' => 'color:white;background-color:black;text-align:center;',
                    'href' => '/mod/evaluation/view.php?id=' . $id));
    echo $goBack;
    echo evPrintButton();
    $a->logexpiry = get_config('logstore_standard')->loglifetime;
    echo '<br>' . ev_get_string('analysis_of_logs',$a) . "<br>\n";

    foreach ($subjects as $key => $subject) {
        if ($key == $logsubject) {
            $Style = 'margin:3px 5px;font-weight:bold;color:teal;background-color:white;text-decoration:underline;';
        } else {
            $Style = 'margin:3px 5px;font-weight:bold;color:white;background-color:teal;';
        }
        echo '<div style="float:left;' . $Style . '">';
        print html_writer::tag('a', $subject,
                array('style' => $Style, 'href' => 'print.php?id=' . $cm->id . '&logViews=1&logsubject=' . $key));
        echo "</div>\n";
    }
    echo '<div style="display:block;clear:both;"></div>' . "\n";

    $AllActivities = "contextinstanceid = $cm->id";
    $submittedEvaluations = "action = 'submitted' AND contextinstanceid = $cm->id ";
    $overview = "action = 'viewed' AND contextinstanceid = $cm->id";
    $analysis = "action = 'analysed' AND contextinstanceid = $cm->id";
    $analysisExport = "action = 'analysedExported' AND contextinstanceid = $cm->id";
    $statistics = "action = 'statistics' AND contextinstanceid = $cm->id";
    $show_entries = "action = 'entries' AND contextinstanceid = $cm->id ";
    $viewsglobalEvaluationInstances =
            "action = 'viewed' AND contextinstanceid = $evaluation->course and eventname like '%instance_list%'";
    $filter = ${$logsubject};
    $site_admins = evaluation_get_siteadmins();
    $query = "SELECT to_char(to_timestamp(timecreated),'YYYY-MM-DD Dy') AS \"$date\",
					COUNT(to_char(to_timestamp(timecreated),'YYYY-MM-DD Dy')) AS \"$responses\"
					FROM {logstore_standard_log} 
					WHERE component='mod_evaluation' AND $filter AND userid NOT IN ($site_admins) 
					GROUP BY to_char(to_timestamp(timecreated),'YYYY-MM-DD Dy')
					ORDER BY to_char(to_timestamp(timecreated),'YYYY-MM-DD Dy') ASC";
    //echo "Query: $query"	;
    $results = $DB->get_records_sql($query);
    $NumResults = safeCount($results);

    if ($logsubject != "viewsglobalEvaluationInstances" and $evaluation->timeopen and $evaluation->timeclose) {
        echo "<b>" . get_string('evaluation_period', 'evaluation') . "</b>: " . date("d.m.Y", $evaluation->timeopen)
                . " - " . date("d.m.Y", $evaluation->timeclose)
                . " (" . total_evaluation_days($evaluation) . " " . get_string("days") . ")<br>\n";
    }

    // if no results
    if (empty($NumResults)) {
        print "<p style=\"color:red;font-weight:bold;align:center;\">" . get_string('no_data', 'evaluation') . "</p>";
        print $OUTPUT->footer();
        exit;
    }

    //echo "Log Data: ".nl2br(var_export($AllResults,true));
    //echo "site admins: ".evaluation_get_siteadmins().'<br>';
    $results2 = $results;
    usort($results2, function($a, $b) {
        global $responses;
        if ($a->{$responses} == $b->{$responses}) {
            return 0;
        }
        return ($a->{$responses} > $b->{$responses} ? -1 : 1);
    });

    $days = total_evaluation_days($evaluation);
    $views = 0;
    foreach ($results as $result) {
        $views += $result->$responses;
    }

    $average = round($views / $NumResults);
    $median = $results2[intval($NumResults / 2)]->{$responses};
    $modus = $results2[0]->{$responses};

    $date = get_string('date');
    echo ev_get_string('activities_per_day') . ": <b>" . ev_get_string('average')
            . "</b>: " . evaluation_number_format($average) . " - <b>" . ev_get_string('median') . "</b>: "
            . evaluation_number_format($median) . " - <b>" . ev_get_string('modus') . "</b>: "
            . evaluation_number_format($modus) . ".<br>\n";
    $a->numresults = $NumResults;
    echo  ev_get_string('numactivitydays',$a) ."<br>\n";
    echo "<b>" . ev_get_string('total_activities') ."</b>: <b>" . evaluation_number_format($views) . "</b>\n";
    echo '<div style="width:89%;">';
    $data = $results2 = array();
    $count = $replies = $Modus = $Median = 0;
    foreach ($results as $result) {
        $replies += $result->{$responses};
        $Modus = ($result->{$responses} > $Modus ? $result->{$responses} : $Modus);
        $results2[] = $result->{$responses};
        sort($results2);
        $Median = $results2[round(($count) / 2)];
        $data['labels'][$count] = $result->{$date};
        $data['series'][$count] = $result->{$responses};
        $data['series_labels'][$count] = $result->{$responses};
        $data['average'][$count] = round($replies / ($count + 1));
        $data['median'][$count] = $Median;
        $data['modus'][$count] = $Modus;
        $count++;
    }
    // draw line chart
    $chart = new \core\chart_bar();
    $series = new \core\chart_series(format_string(get_string("pageviews", "evaluation")), $data['series']);
    $seriesAvg = new \core\chart_series(get_string("average", "evaluation"), $data["average"]);
    $seriesMed = new \core\chart_series(ev_get_string('median'), $data["median"]);
    $seriesMod = new \core\chart_series(ev_get_string('modus'), $data["modus"]);
    $seriesAvg->set_type(\core\chart_series::TYPE_LINE); // Set the series type to line chart.
    $seriesMed->set_type(\core\chart_series::TYPE_LINE);
    $seriesMod->set_type(\core\chart_series::TYPE_LINE);
    $seriesAvg->set_smooth(true);
    $seriesMed->set_smooth(true);
    $seriesMod->set_smooth(true); // Calling set_smooth() passing true as parameter, will display smooth lines.

    $series->set_labels($data['series_labels']);
    $chart->add_series($series);
    $chart->add_series($seriesAvg);
    $chart->add_series($seriesMed);
    $chart->add_series($seriesMod);
    $chart->set_labels($data['labels']);
    echo $OUTPUT->render($chart);
    echo '</div>';
    evaluation_footer();
    // load js to handle printing
    $printWidth = "100vw"; //100vw
    require_once("print.js.php");
    exit;
}

echo $goBack;
echo evPrintButton();
echo "<br>\n";

if ($showTeacher) {
    if (defined('EVALUATION_OWNER') or $showTeacher == $USER->id) //OR !empty($_SESSION["LoggedInAs"]) )
    {
        $myEvaluations = get_evaluation_participants($evaluation, $showTeacher);
        //print nl2br(var_export($myEvaluations));
        $teacherEvaluations = evaluation_countCourseEvaluations($evaluation, $myEvaluations, "teacher", $showTeacher);
        $courseEvaluations = evaluation_countCourseEvaluations($evaluation, $myEvaluations, false, false);
        //if ( is_siteadmin() )	{	print nl2br("$teacherEvaluations - $courseEvaluations<hr>"); }
        if ((!evaluation_is_open($evaluation) or $evaluation->teamteaching) and $teacherEvaluations < $courseEvaluations) {
            print show_user_evaluation_courses($evaluation, $myEvaluations, $id, true, true, true);
            print "<h3>" . ev_get_string('results_for_all_evaluated_teachers') . "</h3>\n";
        }
        print show_user_evaluation_courses($evaluation, $myEvaluations, $id, true, false, false);

        print '<a href="analysis_course.php?id=' . $id . '&teacherid=' . $showTeacher
                . '" target="teacher"><b>' . "Auswertung" . "</b></a>&nbsp;&nbsp;\n";
        print '<a href="print.php?showCompare=1&id=' . $id . '&teacherid=' . $showTeacher
                . '" target="teacher"><b>' . "Statistik" . "</b></a>&nbsp;&nbsp;\n";
        if (empty($_SESSION["LoggedInAs"])) {
            print '<a href="/user/profile.php?id=' . $showTeacher . '" target="teacher"><b>' . "Profilseite ansehen" .
                    "</b></a><br>\n\n";
        }
    }
} // show all results, but currently not used instead used showresults/showEvaluationCourseResults()
else if (false and $showEvaluations) {
    list($isPermitted, $CourseTitle, $CourseName, $SiteEvaluation) =
            evaluation_check_Roles_and_Permissions($courseid, $evaluation, $cm, true);
    if (0 and defined('EVALUATION_OWNER')) {
        print "<h3>" . ev_get_string('results_for_all_participating_courses') . "</h3>\n";
        $SiteEvaluations = get_evaluation_participants($evaluation, -1); //($Userid = -1) );
        print show_user_evaluation_courses($evaluation, $SiteEvaluations, $id, true, false, false);
    }
} else if ($reminder and $courseid) {
    $fullname = ($USER->alternatename ? $USER->alternatename : $USER->firstname) . " " . $USER->lastname;
    $myCourse = get_course($courseid);
    echo "<h2>" . ev_get_string('course') . ": ". $myCourse->fullname . "</h2><br>\n";
    echo "<h3>" . ev_get_string('good_day') . $fullname . "<br>" . ev_get_string('you_havent_yet_participated_for_this_course') . "</h3><br><br>\n";
    ?>
    <button><a href="/mod/evaluation/view.php?id=<?php echo $id ?>" style="font-size:125%;color:white;background-color:black;">" . ev_get_string('i_want_participate_now') . "</a></button>
    <button><a href="/course/view.php?id=<?php echo $courseid ?>" style="font-size:125%;color:white;background-color:black;">"
            . ev_get_string('back_to_course') . "</a></button>
    <?php
} else if ($daily_progress) {
    if (!defined('EVALUATION_OWNER')) {
        echo $goBack;
        print "<p style=\"color:red;font-weight:bold;align:center;\">" . get_string('you_have_no_permission', 'evaluation') .
                "</p>";
        print $OUTPUT->footer();
        exit;
    }

    $responses = get_string('completed_evaluations', "evaluation");
    echo '<h1 style="color:darkgreen;text-align:left;font-weight:bolder;">' . get_string("statistics") . " " . $responses .
            "</h1><br>\n";
    $completed_responses = evaluation_countCourseEvaluations($evaluation); //$evaluationstructure->count_completed_responses();
    if (!$completed_responses) {
        echo $OUTPUT->notification(get_string('no_responses_yet', 'mod_evaluation'));
        echo $OUTPUT->footer();
        flush();
        exit;
    }

    //$results = evaluation_daily_progress( $evaluation, "ASC" );
    //global $DB;
    $query = "SELECT to_char(to_timestamp(timemodified),'YYYY-MM-DD Dy') as \"" . get_string('date') . "\",
					COUNT(to_char(to_timestamp(timemodified),'YYYY-MM-DD Dy')) AS \"$responses\"
					FROM {evaluation_completed} 
					WHERE evaluation=$evaluation->id 
					GROUP BY to_char(to_timestamp(timemodified),'YYYY-MM-DD Dy')
					ORDER BY to_char(to_timestamp(timemodified),'YYYY-MM-DD Dy') ASC;";
    $results = $DB->get_records_sql($query);
    $numresults = safeCount($results) ?: 1;
    $average = round($completed_responses / ($numresults - 1 + (date("H") / 24)));
    $results2 = $results;
    usort($results2, function($a, $b) {
        global $responses;
        if ($a->{$responses} == $b->{$responses}) {
            return 0;
        }
        return ($a->{$responses} > $b->{$responses} ? -1 : 1);
    });
    // print nl2br(var_export($results2));
    $median = $results2[intval($numresults / 2)]->{$responses};
    $modus = $results2[0]->{$responses};
    $dayC = round(remaining_evaluation_days($evaluation)); //+round(date("H")/24,4) );
    $prognosis = "";
    $date = get_string('date');
    $a->remaining_days = '<span style="color:darkgreen;font-weight:bolder;">' . $dayC . "</span>";
    $prognosisval = round($completed_responses + (($completed_responses / $numresults) * $dayC));
    if ($dayC >= 1) {
        $prognosis = ". " . ev_get_string('prognosis') .": " . '<span style="color:darkgreen;font-weight:bolder;">'
                . $prognosisval . "</span>";
        $days = ". " . ev_get_string('remaining_days',$a);
    } else {
        $days = "";
    }


    echo ev_get_string('submissions_per_day') . ": <b>" . ev_get_string('average')
            . "</b>: " . $average . " - <b>" . ev_get_string('median') . "</b>: "
            . $median . " - <b>" . ev_get_string('modus') . "</b>: "
            . $modus . ".<br>\n";
    $a->numresults = $numresults;
    $a->completed_responses = $completed_responses;
    echo  ev_get_string('numsubmissiondays',$a) . $days ."<br>\n";
    echo "<b>" . ev_get_string('completed_responses') ."</b>: <b>" . $completed_responses . "</b>"
            . $prognosis . ".\n";
    // echo "Abgaben erfolgten an <b>" . $numresults . " Tagen</b>$days.<br>\n";
    // echo "<b>Summe $responses</b>: <b>" . $completed_responses . "</b>" . $prognosis . "\n";
    echo '<div style="width:89%;">';
    $data = $results2 = array();
    $count = $replies = $Modus = $Median = 0;
    foreach ($results as $result) {
        $replies += $result->{$responses};
        $Modus = ($result->{$responses} > $Modus ? $result->{$responses} : $Modus);
        $results2[] = $result->{$responses};
        sort($results2);
        $Median = $results2[round(($count) / 2)];
        $data['labels'][$count] = $result->{$date};
        $data['series'][$count] = $result->{$responses};
        $data['series_labels'][$count] = $result->{$responses};
        $data['average'][$count] = round($replies / ($count + 1));
        $data['median'][$count] = $Median;
        $data['modus'][$count] = $Modus;
        $count++;
    }
    // draw line chart
    $chart = new \core\chart_bar();
    $series = new \core\chart_series(format_string(get_string("submittedEvaluations", "evaluation")), $data['series']);
    $seriesAvg = new \core\chart_series(ev_get_string("average"), $data["average"]);
    $seriesMed = new \core\chart_series(ev_get_string("median"), $data["median"]);
    $seriesMod = new \core\chart_series(ev_get_string("modus"), $data["modus"]);
    $seriesAvg->set_type(\core\chart_series::TYPE_LINE); // Set the series type to line chart.
    $seriesMed->set_type(\core\chart_series::TYPE_LINE); // Set the series type to line chart.
    $seriesMod->set_type(\core\chart_series::TYPE_LINE); // Set the series type to line chart.
    $seriesAvg->set_smooth(true);
    $seriesMed->set_smooth(true);
    $seriesMod->set_smooth(true); // Calling set_smooth() passing true as parameter, will display smooth lines.

    $series->set_labels($data['series_labels']);
    $chart->add_series($series);
    $chart->add_series($seriesAvg);
    $chart->add_series($seriesMed);
    $chart->add_series($seriesMod);
    $chart->set_labels($data['labels']);
    echo $OUTPUT->render($chart);
    //echo '</div></div><div style="clear:both;">&nbsp;</div>';
    echo '</div>';
    echo "<br>" . $goBack;

    evaluation_footer();

    // load js to handle printing
    $printWidth = "100vw"; //100vw
    require_once("print.js.php");
    exit;

} else if ($showCourses_of_studies)  // show list course_of_studies
{
    list($sg_filter, $courses_filter) = get_evaluation_filters($evaluation);
    echo '<h1 style="color:darkred;display:inline;text-align:left;font-weight:bolder;">'
            . get_string("course_of_studies_selected", "evaluation") . '</h1>';
    echo "<br>";
    if (empty($sg_filter) and !empty($courses_filter)) {
        $sg_filter = evaluation_get_course_of_studies_from_courseids($courses_filter);
    }
    if (!empty($sg_filter)) {
        $selected = $sg_filter; //explode("\n", $evaluation->filter_course_of_studies);
        sort($selected);
        print "\n<ol><b>\n";
        foreach ($selected as $studiengang) {
            print "<li>" . $studiengang . "</li>\n";
        }
        print "\n</b></ol>\n";
    } else {
        print "<br><b>" . get_string("all") . "</b>";
    }
    echo '<hr><h1 style="color:darkred;text-align:left;font-weight:bolder;">' .
            get_string("course_of_studies_list", "evaluation") . " " . get_evaluation_semester($evaluation) . "</h1><br>\n";
    $all_course_studies = evaluation_get_course_studies($evaluation, true);
    print "\n<ol><b>\n";
    foreach ($all_course_studies as $studiengang) {
        print "<li>" . $studiengang->course_of_studies . "</li>\n";
    }
    print "\n</b></ol>\n";
} else if ($showCourses)  // show list courses
{
    echo '<h1 style="color:darkred;display:inline;text-align:left;font-weight:bolder;">'
            . get_string("courses_selected", "evaluation") . '</h1>';
    echo "<br>";
    if (!empty($evaluation->filter_courses)) {
        $selected = explode("\n", $evaluation->filter_courses);
        print "\n<ol>\n";
        foreach ($selected as $courseid) {
            $query = "SELECT id, fullname, shortname
					FROM {course} AS course
					WHERE id = $courseid";
            $result = $DB->get_record_sql($query);
            print "<li>" . $courseid . ' <a href="/course/view.php?id="' . $courseid . '"><b>' . $result->fullname .
                    "</b></a></li>\n";
        }
        print "\n</ol>\n";
    } else {
        print "<br><b>" . get_string("all") . "</b>";
    }
    /*echo '<hr><h1 style="color:darkred;text-align:left;font-weight:bolder;">'.
         get_string("courses_list","evaluation"). " " .get_evaluation_semester($evaluation). "</h1><br>\n";
    $all_courses = evaluation_participating_courses($evaluation;
    print "\n<ol>\n";
    foreach ( $all_courses AS $courseid )
    {	$query = "SELECT id, fullname, shortname
                    FROM {course} AS course
                    WHERE id = $courseid";
            $result = $DB->get_record_sql($query);
            print "<li>" . $courseid . ' <a href="/course/view.php?id="'.$courseid.'"><b>'.$result->fullname ."</b></a></li>\n";
    }
    print "\n</ol>\n";
    */
} else  // show form preview
{
    echo '<h1 style="color:darkred;display:inline;text-align:left;font-weight:bolder;">' . get_string('preview') . '</h1><br>';
    echo "<br>" . get_string("course", "evaluation") . ": <span style=\"font-size:12pt;font-weight:bold;\">Muster Kurs</span>";
    if ($evaluation->teamteaching) {
        print "<h3><b>" . get_string('evaluate_teacher', 'evaluation', "Alice Salomon") . "</b></h3>\n";
    }
    $form = new mod_evaluation_complete_form(mod_evaluation_complete_form::MODE_PRINT, $evaluationstructure,
            'evaluation_print_form');
    $form->display();
}
//echo $OUTPUT->continue_button($continueurl);
echo "<br>" . $goBack;

// Finish the page.
//echo $OUTPUT->footer();
evaluation_footer();

// load js to handle printing
$printWidth = "116vw"; //100vw
require_once("print.js.php");

function evaluation_footer($footer = "") {
    global $OUTPUT;
    if (empty($footer)) {
        $footer = $OUTPUT->footer();
    }
    //print "</div>\n";
    print $footer;
}