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participants_correct.php
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<?php
// This file is part of mod_offlinequiz for 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/>.
/**
* The script for correcting errors in scanned participant lists
*
* @package mod
* @subpackage offlinequiz
* @author Juergen Zimmer <zimmerj7@univie.ac.at>
* @copyright 2015 Academic Moodle Cooperation {@link http://www.academic-moodle-cooperation.org}
* @since Moodle 2.2+
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once(dirname(__FILE__) . '/../../config.php');
require_once($CFG->dirroot . '/mod/offlinequiz/report/default.php');
require_once($CFG->dirroot . '/mod/offlinequiz/evallib.php');
require_once($CFG->dirroot . '/mod/offlinequiz/participants/participants_scanner.php');
require_once($CFG->dirroot . '/mod/offlinequiz/participants/participants_report.php');
require_once($CFG->dirroot . '/mod/offlinequiz/locallib.php');
require(__DIR__ . "/participants/participantslib.php");
global $DB, $CFG;
$pageid = optional_param('pageid', 0, PARAM_INT);
$action = optional_param('action', 'load', PARAM_TEXT);
$listchosen = optional_param('listchosen', 0, PARAM_INT);
if (!$scannedpage = $DB->get_record('offlinequiz_scanned_p_pages', array('id' => $pageid))) {
throw new \moodle_exception('noscannedpage', 'offlinequiz', $CFG->wwwroot . '/course/view.php?id=' . $offlinequiz->course, $pageid);
}
if (!$offlinequiz = $DB->get_record('offlinequiz', array('id' => $scannedpage->offlinequizid))) {
throw new \moodle_exception('noofflinequiz', 'offlinequiz', $CFG->wwwroot . '/course/view.php?id=' . $offlinequiz->course,
$scannedpage->offlinequizid);
}
if (!$course = $DB->get_record('course', array('id' => $offlinequiz->course))) {
throw new \moodle_exception('nocourse', 'offlinequiz', $CFG->wwwroot . '/course/view.php?id=' . $offlinequiz->course,
array('course' => $offlinequiz->course,
'offlinequiz' => $offlinequiz->id));
}
if (!$cm = get_coursemodule_from_instance('offlinequiz', $offlinequiz->id, $course->id)) {
throw new \moodle_exception('cmmissing', 'offlinequiz', $CFG->wwwroot . '/course/view.php?id=' . $offlinequiz->course, $offlinequiz->id);
}
// Fix string listnumber delivered smallint by DB.
if (property_exists($scannedpage, 'listnumber') && $scannedpage->listnumber && is_string($scannedpage->listnumber)) {
$scannedpage->listnumber = intval($scannedpage->listnumber);
}
require_login($course->id, false, $cm);
$context = context_module::instance($cm->id);
$coursecontext = context_course::instance($course->id);
require_capability('mod/offlinequiz:viewreports', $context);
$completion = new completion_info($course);
$completion->set_module_viewed($cm);
$url = new moodle_url('/mod/offlinequiz/participants_correct.php', array('pageid' => $scannedpage->id));
$PAGE->set_url($url);
$PAGE->set_pagelayout('report');
offlinequiz_load_useridentification();
$offlinequizconfig = get_config('offlinequiz');
$offlinequiz->penaltyscheme = 0;
$offlinequiz->timelimit = 0;
$offlinequiz->timeclose = 0;
offlinequiz_load_useridentification();
$list = null;
echo "<style>\n";
echo "body {margin:0px; font-family:Arial,Verdana,Helvetica,sans-serif;}\n";
echo ".imagebutton {width:250px; height:24px; text-align:left; margin-bottom:10px;}\n";
echo ".barcodeselect {width:200px; height:24px; border:solid 2px;}\n";
echo ".barcodeerror {border-color: red;}\n";
echo "</style>\n";
// Initialise a page scanner.
$scanner = new offlinequiz_participants_scanner($offlinequiz, $context->id, 0, 0);
$corners = array();
$sheetloaded = $scanner->load_stored_image($scannedpage->filename, $corners);
$scanner->get_list();
if ($sheetloaded) {
$corners = $scanner->export_corners(OQ_IMAGE_WIDTH);
}
if ($action == 'load') {
// Remember initial data for cancel action.
$origfilename = $scannedpage->filename;
$origlistnumber = $scannedpage->listnumber;
$origstatus = $scannedpage->status;
$origerror = $scannedpage->error;
$origtime = $scannedpage->time;
} else {
$origfilename = required_param('origfilename', PARAM_FILE);
$origlistnumber = required_param('origlistnumber', PARAM_INT);
$origstatus = required_param('origstatus', PARAM_ALPHA);
$origerror = required_param('origerror', PARAM_ALPHA);
$origtime = required_param('origtime', PARAM_INT);
}
// -------------------------------------------------------------
// Action cancel.
// -------------------------------------------------------------
if ($action == 'cancel') {
$scannedpage->filename = $origfilename;
$scannedpage->listnumber = $origlistnumber;
$scannedpage->status = $origstatus;
$scannedpage->error = $origerror;
$scannedpage->time = $origtime;
$DB->update_record('offlinequiz_scanned_p_pages', $scannedpage);
// Display a button to close the window and die.
echo '<html>';
echo '<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /></head>';
echo "<center><input class=\"imagebutton\" type=\"submit\" value=\"" .
get_string('closewindow', 'offlinequiz')."\" name=\"submitbutton4\" onClick=\"self.close(); return false;\"></center>";
echo '</html>';
die;
} else if ($action == 'update') {
require_sesskey();
$upperleft = new oq_point(required_param('c-0-x', PARAM_INT) + 7, required_param('c-0-y', PARAM_INT) + 7);
$upperright = new oq_point(required_param('c-1-x', PARAM_INT) + 7, required_param('c-1-y', PARAM_INT) + 7);
$lowerleft = new oq_point(required_param('c-2-x', PARAM_INT) + 7, required_param('c-2-y', PARAM_INT) + 7);
$lowerright = new oq_point(required_param('c-3-x', PARAM_INT) + 7, required_param('c-3-y', PARAM_INT) + 7);
$corners = new mod_offlinequiz_corners($upperleft, $upperright, $lowerleft, $lowerright);
// Initialise a new page scanner.
$scanner = new offlinequiz_participants_scanner($offlinequiz, $context->id, 0, 0);
$sheetloaded = $scanner->load_stored_image($scannedpage->filename, array($upperleft, $upperright, $lowerleft, $lowerright));
// The following calibrates the scanner.
$scanner->get_list();
$OUTPUT->heading(get_string('participantslist', 'offlinequiz'));
$listid = required_param('listid', PARAM_INT);
// Get the values chosen by the user.
$newparticipants = required_param_array('participants', PARAM_RAW);
$userid = required_param_array('userid', PARAM_RAW);
// Maybe old errors have been fixed.
$scannedpage->status = 'ok';
$scannedpage->error = '';
if ($list = $DB->get_record('offlinequiz_p_lists', array('id' => $listid))) {
$scannedpage->listnumber = intval($list->listnumber);
}
// -------------------------------------------------------------
// Action setlist
// -------------------------------------------------------------
} else if ($action == 'setlist') {
$upperleft = new oq_point(required_param('c-0-x', PARAM_INT) + 8, required_param('c-0-y', PARAM_INT) + 8);
$upperright = new oq_point(required_param('c-1-x', PARAM_INT) + 8, required_param('c-1-y', PARAM_INT) + 8);
$lowerleft = new oq_point(required_param('c-2-x', PARAM_INT) + 8, required_param('c-2-y', PARAM_INT) + 8);
$lowerright = new oq_point(required_param('c-3-x', PARAM_INT) + 8, required_param('c-3-y', PARAM_INT) + 8);
$corners = new mod_offlinequiz_corners($upperleft, $upperright, $lowerleft, $lowerright);
// Maybe old errors have been fixed.
$scannedpage->status = 'ok';
$scannedpage->error = '';
$listid = required_param('listid', PARAM_INT);
$list = $DB->get_record('offlinequiz_p_lists', array('id' => $listid));
$scannedpage->listnumber = intval($list->listnumber);
$listnumber = $list->listnumber;
$DB->update_record('offlinequiz_scanned_p_pages', $scannedpage);
$offlinequizconfig->papergray = $offlinequiz->papergray;
// Initialise a new page scanner.
$scanner = new offlinequiz_participants_scanner($offlinequiz, $context->id, 0, 0);
$sheetloaded = $scanner->load_stored_image($scannedpage->filename,
array($upperleft, $upperright, $lowerleft, $lowerright));
// The following calibrates the scanner.
$scanner->get_list();
if ($scannedpage->listnumber) {
$listchosen = 1;
}
// -------------------------------------------------------------
// Action readjust
// -------------------------------------------------------------
} else if ($action == 'readjust') {
require_sesskey();
$upperleft = new oq_point(required_param('c-0-x', PARAM_INT) + 7, required_param('c-0-y', PARAM_INT) + 7);
$upperright = new oq_point(required_param('c-1-x', PARAM_INT) + 7, required_param('c-1-y', PARAM_INT) + 7);
$lowerleft = new oq_point(required_param('c-2-x', PARAM_INT) + 7, required_param('c-2-y', PARAM_INT) + 7);
$lowerright = new oq_point(required_param('c-3-x', PARAM_INT) + 7, required_param('c-3-y', PARAM_INT) + 7);
$corners = new mod_offlinequiz_corners($upperleft, $upperright, $lowerleft, $lowerright);
$offlinequizconfig->papergray = $offlinequiz->papergray;
$cornersarray = array($upperleft, $upperright, $lowerleft, $lowerright);
// Create a completely new scanner and load the image with the submitted corners.
$scanner = new offlinequiz_participants_scanner($offlinequiz, $context->id, 0, 0);
$sheetloaded = $scanner->load_stored_image($scannedpage->filename, $cornersarray);
// The following calibrates the scanner.
$scanner->get_list();
// Maybe old errors have been fixed.
$scannedpage->status = 'ok';
$scannedpage->error = '';
// We reset all user information s.t. it is retrieved again from the scanner.
$listid = optional_param('listid', 0, PARAM_INT);
if (!$listid) {
$listnumber = $scannedpage->listnumber;
} else if (!$listchosen) {
$list = $DB->get_record('offlinequiz_p_lists', array('id' => $listid));
$scannedpage->listnumber = intval($list->listnumber);
$listnumber = $list->listnumber;
}
$scannedpage->participants = null;
} else if ($action == 'rotate') {
if (!confirm_sesskey()) {
throw new \moodle_exception('invalidsesskey');
echo "<input class=\"imagebutton\" type=\"submit\" value=\"" . get_string('cancel')."\" name=\"submitbutton4\"
onClick=\"self.close(); return false;\"><br />";
die;
}
$upperleft = new oq_point(853 - required_param('c-3-x', PARAM_INT), 1208 - required_param('c-3-y', PARAM_INT));
$upperright = new oq_point(853 - required_param('c-2-x', PARAM_INT), 1208 - required_param('c-2-y', PARAM_INT));
$lowerleft = new oq_point(853 - required_param('c-1-x', PARAM_INT), 1208 - required_param('c-1-y', PARAM_INT));
$lowerright = new oq_point(853 - required_param('c-0-x', PARAM_INT), 1208 - required_param('c-0-y', PARAM_INT));
$corners = new mod_offlinequiz_corners($upperleft, $upperright, $lowerleft, $lowerright);
$scannedpage->status = 'ok';
$scannedpage->error = '';
$scannedpage->listnumber = 0;
$offlinequizconfig->papergray = $offlinequiz->papergray;
if ($newfile = $scanner->rotate_180()) {
$scannedpage->filename = $newfile->get_filename();
$DB->update_record('offlinequiz_scanned_p_pages', $scannedpage);
// Create a completely new scanner.
$scanner = new offlinequiz_participants_scanner($offlinequiz, $context->id, 0, 0);
// Load the stored picture file.
$sheetloaded = $scanner->load_stored_image($scannedpage->filename,
array($upperleft, $upperright, $lowerleft, $lowerright));
// The following calibrates the scanner.
$scanner->get_list();
$participants = $scanner->get_participants();
}
} else if ($action == 'setpage') {
if (!confirm_sesskey()) {
throw new \moodle_exception('invalidsesskey');
echo "<input class=\"imagebutton\" type=\"submit\" value=\"" . get_string('cancel')."\" name=\"submitbutton4\"
onClick=\"self.close(); return false;\"><br />";
die;
}
$listid = required_param('listid', PARAM_INT);
if (!$listid) {
$listnumber = $scannedpage->listnumber;
} else {
$list = $DB->get_record('offlinequiz_p_lists', array('id' => $listid));
$scannedpage->listnumber = intval($list->listnumber);
$scannedpage->status = 'ok';
$scannedpage->error = '';
}
}
$offlinequizconfig->papergray = $offlinequiz->papergray;
// Now we check the scanned page with potentially updated information.
$scannedpage = offlinequiz_check_scanned_participants_page($offlinequiz, $scanner, $scannedpage, $USER->id, $coursecontext);
$listnumber = $scannedpage->listnumber;
if ($listnumber > 0) {
$list = $DB->get_record('offlinequiz_p_lists', array('offlinequizid' => $offlinequiz->id, 'listnumber' => $listnumber));
}
$participants = $scanner->get_participants();
if ($scannedpage->status == 'ok') {
$scannedpage = offlinequiz_process_scanned_participants_page($offlinequiz, $scanner, $scannedpage, $USER->id, $coursecontext);
}
$listnumber = $scannedpage->listnumber;
if ($action == 'update') {
@raise_memory_limit('128M');
set_time_limit(120);
$OUTPUT->box_start();
$dbparticipants = $DB->get_records('offlinequiz_p_choices', array('scannedppageid' => $scannedpage->id));
// Compute the db data indexed by userid.
$dbdata = array();
foreach ($dbparticipants as $data) {
$dbdata[$data->userid] = $data;
}
$insecuremarkings = false;
$unknownuser = false;
foreach ($newparticipants as $key => $value) {
// Continue if the checkbox has been marked but no userid has been chosen.
if ($value == 'marked' && (!isset($userid[$key]) || $userid[$key] < 1)) {
$unknownuser = true;
continue;
}
if (!isset($dbdata[$userid[$key]])) {
$choice = new StdClass();
$choice->scannedppageid = $scannedpage->id;
$choice->userid = $userid[$key];
$choice->id = $DB->insert_record('offlinequiz_p_choices', $choice);
$dbdata[$userid[$key]] = $choice;
} else {
$dbdata[$userid[$key]]->userid = $userid[$key];
}
if ($value == 'marked') {
$dbdata[$userid[$key]]->value = 1;
$DB->set_field('offlinequiz_p_choices', 'value', 1,
array('scannedppageid' => $scannedpage->id, 'userid' => $userid[$key]));
} else if ($value == 'empty') {
$dbdata[$userid[$key]]->value = 0;
$DB->set_field('offlinequiz_p_choices', 'value', 0,
array('scannedppageid' => $scannedpage->id, 'userid' => $userid[$key]));
} else {
// Should not happen because we can only save the page when all checkboxes are either empty or marked.
$dbdata[$userid[$key]]->value = -1;
$DB->set_field('offlinequiz_p_choices', 'value', -1,
array('scannedppageid' => $scannedpage->id, 'userid' => $userid[$key]));
$insecuremarkings = true;
}
}
if (!$insecuremarkings && !$unknownuser) {
$scannedpage = offlinequiz_submit_scanned_participants_page($offlinequiz, $scannedpage, $dbdata);
echo '<html>';
echo '<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /></head><body>';
if ($scannedpage->status == 'submitted') {
echo get_string('pageimported', 'offlinequiz')."<br /><br />";
$DB->set_field('offlinequiz_scanned_p_pages', 'error', '', array('id' => $pageid));
} else {
echo get_string('couldnotimportpage', 'offlinequiz')."<br /><br />";
$scannedpage->status = 'error';
$scannedpage->error = 'insecuremarkings';
$DB->update_record('offlinequiz_scanned_p_pages', $scannedpage);
}
echo "<div align=\"center\"><input type=\"button\" value=\"" .
get_string('closewindow')."\" onClick=\"window.opener.location.reload(1); self.close();return false;\">";
echo "</div></body>\n";
echo "</html>\n";
die();
} else if ($unknownuser) {
$scannedpage->status = 'error';
$scannedpage->error = 'insecuremarkings';
$DB->update_record('offlinequiz_scanned_p_pages', $scannedpage);
}
}
// -------------------------------------------------------------
// OUTPUT THE PAGE HTML.
// -------------------------------------------------------------
echo '<html>';
echo "<style>\n";
echo "body {margin:0px; font-family:Arial,Verdana,Helvetica,sans-serif;}\n";
echo ".imagebutton {width:250px; height:24px; text-align:left; margin-bottom:10px;}\n";
echo "</style>\n";
echo '<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /></head>';
// Print JavaScript-includes.
echo html_writer::script('', $CFG->wwwroot.'/mod/offlinequiz/lib/jquery/jquery-1.4.3.js');
echo html_writer::script('', $CFG->wwwroot.'/mod/offlinequiz/lib/jquery/ui/jquery.ui.core.js');
echo html_writer::script('', $CFG->wwwroot.'/mod/offlinequiz/lib/jquery/ui/jquery.ui.widget.js');
echo html_writer::script('', $CFG->wwwroot.'/mod/offlinequiz/lib/jquery/ui/jquery.ui.mouse.js');
echo html_writer::script('', $CFG->wwwroot.'/mod/offlinequiz/lib/jquery/ui/jquery.ui.draggable.js');
$javascript = "<script language=\"JavaScript\">
function checkinput(alert) {
insecuremarkings = false;
missinguserid = false;
for (i=1; i<=" . count($participants) . "; i++) {
checkbox = $('input[name^=\"participants[' + i + '\"]');
userid = $('input[name^=\"userid[' + i + '\"]');
if (checkbox.attr('value') == 'X') {
insecuremarkings = true;
if (alert) {
alert(\"" . addslashes(get_string('insecuremarkings', 'offlinequiz')) . "\");
}
}
if (checkbox.attr('value') == '1' && userid.attr('value') == '0') {
document.getElementById('b'+i).setAttribute('class', 'barcodeselect barcodeerror');
missinguserid = true;
if (alert) {
alert(\"" . addslashes(get_string('missinguserid', 'offlinequiz')) . "\");
}
}
}
if (insecuremarkings || missinguserid) {
return false;
} else {
if (alert) {
} else {
$('input[name^=\"submitbutton1\"]').removeAttr('disabled');
}
}
}
function set_list(n) {
document.forms.cform.elements['action'].value='setlist';
document.forms.cform.submit();
}
function set_participant(image, x) {
if (document.forms.cform.elements['participants['+x+']'].value=='marked') {
image.src=\"$CFG->wwwroot/mod/offlinequiz/pix/spacer.gif\";
document.forms.cform.elements['participants['+x+']'].value = 'empty';
} else {
image.src=\"$CFG->wwwroot/mod/offlinequiz/pix/green.gif\";
document.forms.cform.elements['participants['+x+']'].value = 'marked';
}
return checkinput(false);
}
function select_user(element, x, value) {
document.forms.cform.elements['userid['+ x + ']'].value = value;
if (value == 0) {
element.setAttribute('class', 'barcodeselect barcodeerror');
} else {
element.setAttribute('class', 'barcodeselect');
}
return checkinput(false);
}
function submitCancel() {
document.forms.cform.elements['action'].value='cancel';
document.forms.cform.submit();
}
function submitReadjust() {
changed = false;
for (i=0; i<=3; i++) {
corner = document.getElementById('c-'+i);
document.forms.cform.elements['c-'+i+'-x'].value = corner.style.left.replace('px','');
document.forms.cform.elements['c-'+i+'-y'].value = corner.style.top.replace('px','');
if (document.forms.cform.elements['c-'+i+'-x'].value != document.forms.cform.elements['c-old-'+i+'-x'].value) {
changed = true;
}
if (document.forms.cform.elements['c-'+i+'-y'].value != document.forms.cform.elements['c-old-'+i+'-y'].value) {
changed = true;
}
}
if (!changed) {
alert('".get_string('movecorners', 'offlinequiz')."');
} else {
document.forms.cform.elements['action'].value='readjust';
document.forms.cform.submit();
}
}
function submitRotated() {
document.forms.cform.elements['action'].value='rotate';
document.forms.cform.submit();
}
</script>";
echo $javascript;
echo "<div style=\"position:absolute; top:10px; left:" . (OQ_IMAGE_WIDTH + 10) . "px; width:280px\">\n";
echo "<form method=\"post\" action=\"participants_correct.php\" id=\"cform\">\n";
echo "<input type=\"hidden\" name=\"pageid\" value=\"$pageid\">\n";
echo "<input type=\"hidden\" name=\"listchosen\" value=\"$listchosen\">\n";
echo "<input type=\"hidden\" name=\"action\" value=\"update\">\n";
echo "<input type=\"hidden\" name=\"show\" value=\"0\">\n";
echo "<input type=\"hidden\" name=\"sesskey\" value=\"" . sesskey() . "\">\n";
echo '<input type="hidden" name="ul_x" value="' . $corners->get_corner_value('ulx') . '">';
echo '<input type="hidden" name="ul_y" value="' . $corners->get_corner_value('uly') . '">';
echo '<input type="hidden" name="ur_x" value="' . $corners->get_corner_value('urx') . '">';
echo '<input type="hidden" name="ur_y" value="' . $corners->get_corner_value('ury') . '">';
echo '<input type="hidden" name="ll_x" value="' . $corners->get_corner_value('llx') . '">';
echo '<input type="hidden" name="ll_y" value="' . $corners->get_corner_value('lly') . '">';
echo '<input type="hidden" name="lr_x" value="' . $corners->get_corner_value('lrx') . '">';
echo '<input type="hidden" name="lr_y" value="' . $corners->get_corner_value('lry') . '">';
echo "<input type=\"hidden\" name=\"origfilename\" value=\"$origfilename\">\n";
echo "<input type=\"hidden\" name=\"origlistnumber\" value=\"$origlistnumber\">\n";
echo "<input type=\"hidden\" name=\"origstatus\" value=\"$origstatus\">\n";
echo "<input type=\"hidden\" name=\"origerror\" value=\"$origerror\">\n";
echo "<input type=\"hidden\" name=\"origtime\" value=\"$origtime\">\n";
foreach ($participants as $key => $participant) {
if (empty($participant->userid)) {
$participant->userid = 0;
}
echo "<input type=\"hidden\" name=\"participants[$key]\" value=\"{$participant->value}\">\n";
echo "<input type=\"hidden\" name=\"userid[$key]\" value=\"{$participant->userid}\">\n";
}
if (!empty($corners)) {
foreach ($corners->all() as $key => $hotspot) {
echo "<input type=\"hidden\" name=\"c-old-$key-x\" value=\"".($hotspot->x - 7)."\">\n";
echo "<input type=\"hidden\" name=\"c-old-$key-y\" value=\"".($hotspot->y - 7)."\">\n";
echo "<input type=\"hidden\" name=\"c-$key-x\" value=\"".($hotspot->x - 7)."\">\n";
echo "<input type=\"hidden\" name=\"c-$key-y\" value=\"".($hotspot->y - 7)."\">\n";
}
}
echo "<div style=\"margin:4px;margin-bottom:8px\"><u>";
print_string('actions');
echo ":</u></div>";
echo "<input class=\"imagebutton\" type=\"submit\" value=\"".get_string('cancel').
"\" name=\"submitbutton4\" onClick=\"submitCancel(); return false;\"><br />";
echo "<input class=\"imagebutton\" type=\"submit\" value=\"".get_string('rotate', 'offlinequiz').
"\" name=\"submitbutton5\" onClick=\"submitRotated(); return false;\"><br />";
echo "<input class=\"imagebutton\" type=\"submit\" value=\"".get_string('readjust', 'offlinequiz').
"\" name=\"submitbutton3\" onClick=\"submitReadjust(); return false;\"><br />";
if ($scannedpage->status == 'error' && ($scannedpage->error == 'insecuremarkings' || $scannedpage->error == 'invalidlistnumber')) {
echo "<input class=\"imagebutton\" type=\"submit\" value=\"".get_string('save', 'offlinequiz') .
"\" name=\"submitbutton1\" disabled=\"disabled\">";
} else {
echo "<input class=\"imagebutton\" type=\"submit\" value=\"".get_string('save', 'offlinequiz') .
"\" name=\"submitbutton1\" onClick=\"return checkinput(true)\">";
}
echo "</div>\n";
echo "<img src=\"$CFG->wwwroot/mod/offlinequiz/pix/spacer.gif\" border=\"0\" style=\"position:absolute; top:1260px; left:0px\">";
$fs = get_file_storage();
$imagefile = $fs->get_file($context->id, 'mod_offlinequiz', 'imagefiles', 0, '/', $scannedpage->filename);
// Print image of the form sheet.
$imageurl = moodle_url::make_pluginfile_url($context->id, 'mod_offlinequiz', 'imagefiles', 0, '/', $imagefile->get_filename());
echo '<img name="formimage" src="' . $imageurl . '" border="1" width="' . OQ_IMAGE_WIDTH .
'" style="position:absolute; top:0px; left:0px; display: block;">';
if ($scannedpage->status == 'error') {
echo "<div style=\"position:absolute; top: 20px; left: 130px\">\n";
echo " <strong style=\"color: red\">(" .
get_string('error' . $scannedpage->error, 'offlinequiz_rimport') . ")</strong>\n";
echo "</div>\n";
}
// Print list select box.
if ($scannedpage->error == 'invalidlistnumber' && !$scanner->ontop && !$listchosen) {
echo "<div style=\"position:absolute; top:300px; left:180px; width:500px; background-color:#eee; padding:20px; " .
" border:2px red solid; text-align: center\">";
print_string('listnotdetected', 'offlinequiz');
echo "<br />";
print_string('selectlist', 'offlinequiz');
echo "<br />";
echo "<select class=\"imagebutton\" name=\"listid\" onchange=\"set_list(this.value); true;\">\n";
echo '<option value="0">'.get_string('choose').'...</option>';
if ($lists = $DB->get_records('offlinequiz_p_lists', array('offlinequizid' => $offlinequiz->id), 'name ASC')) {
foreach ($lists as $item) {
echo '<option value="' . $item->id . '">' . $item->name . '</option>';
}
}
echo "</select>\n";
echo "</div>";
} else if ($list) {
echo "<input type=\"hidden\" name=\"listid\" value=\"" . $list->id . "\">\n";
}
echo "</form>\n";
// Print hotspots.
if ($sheetloaded) {
foreach ($scanner->export_hotspots_participants(860) as $key => $hotspot) {
$x = substr($key, 1);
if (isset($participants[$x])) {
if ($participants[$x]->value == 'unknown') {
echo "<img src=\"$CFG->wwwroot/mod/offlinequiz/pix/blue.gif\" " .
" border=\"0\" id=\"p$x\" style=\"position:absolute; top:".
$hotspot->y."px; left:".$hotspot->x."px; cursor:pointer\" onClick=\"set_participant(this, $x)\">\n";
} else if ($participants[$x]->value == 'marked') {
echo "<img src=\"$CFG->wwwroot/mod/offlinequiz/pix/green.gif\" " .
" border=\"0\" id=\"p$x\" style=\"position:absolute; top:".
$hotspot->y."px; left:".$hotspot->x."px; cursor:pointer\" onClick=\"set_participant(this, $x)\">\n";
} else {
echo "<img src=\"$CFG->wwwroot/mod/offlinequiz/pix/spacer.gif\" " .
" border=\"0\" id=\"p$x\" style=\"position:absolute; top:".
$hotspot->y."px; left:".$hotspot->x."px; cursor:pointer\" onClick=\"set_participant(this, $x)\">\n";
}
}
}
// Get userid select items.
if ($list) {
$sql = "SELECT p.id, p.userid, u." . $offlinequizconfig->ID_field . ", u.firstname, u.lastname
FROM {offlinequiz_participants} p
JOIN {user} u ON p.userid = u.id
JOIN {offlinequiz_p_lists} pl ON p.listid = pl.id
WHERE pl.offlinequizid = :offlinequizid
ORDER BY u.lastname, u.firstname";
$params['offlinequizid'] = $offlinequiz->id;
$users = $DB->get_records_sql($sql, $params);
foreach ($scanner->export_hotspots_barcodes(860) as $key => $hotspot) {
$x = substr($key, 1);
echo "<select name=\"userids[$x]\" autocomplete='on' class=\"barcodeselect";
if (!isset($participants[$x]) or $participants[$x]->userid == 0) {
echo " barcodeerror";
}
echo "\" id=\"b$x\" style=\"position:absolute; top:".($hotspot->y - 10)."px; left:".($hotspot->x - 100).
"px\" onChange=\"document.forms.cform.elements['userid['+$x+']'].value = this.value;
if (this.value==0) {this.setAttribute('class', 'barcodeselect barcodeerror');} else {this.setAttribute('c\
lass', 'barcodeselect');}; checkinput(false);\">\n>";
echo "<option value=\"0\"></option>\n";
foreach ($users as $user) {
echo "<option value=\"{$user->userid}\"";
if (isset($participants[$x]) and $participants[$x]->userid == $user->userid) {
echo ' selected="selected"';
}
echo ">" . substr($user->{$offlinequizconfig->ID_field},
strlen($offlinequizconfig->ID_prefix), $offlinequizconfig->ID_digits) .
', ' . $user->lastname . ' ' . $user->firstname . "</option>\n";
}
echo "</select>\n";
}
}
echo "<form name=\"cornersform\" action=\"participants_correct.php\">\n";
echo "<input type=\"hidden\" name=\"action\" value=\"readjust\">\n";
echo "<input type=\"hidden\" name=\"pageid\" value=\"$pageid\">\n";
foreach ($participants as $key => $participant) {
echo "<input type=\"hidden\" name=\"item[$key]\" value=\"{$participant->value}\">\n";
echo "<input type=\"hidden\" name=\"userid[$key]\" value=\"{$participant->userid}\">\n";
}
foreach ($scanner->get_corners(OQ_IMAGE_WIDTH) as $key => $hotspot) {
echo "<img src=\"$CFG->wwwroot/mod/offlinequiz/pix/corner.gif\" border=\"0\" name=\"c-$key\" id=\"c-$key\" " .
" style=\"position:absolute; top:" .
($hotspot->y - 7) . "px; left:" . ($hotspot->x - 7) . "px; cursor:pointer;\">";
}
echo "</form>\n";
?>
<script>
$(function() {
$( "#c-0" ).draggable();
$( "#c-1" ).draggable();
$( "#c-2" ).draggable();
$( "#c-3" ).draggable();
});
</script>
<?php
}