if (isset($_GET['exerciseId'])) {
$exerciseId = intval($_GET['exerciseId']);
}
// if the object is not in the session
if (!isset($_SESSION['objExercise'][$exerciseId])) {
// construction of Exercise
$objExercise = new Exercise();
// if the specified exercise doesn't exist or is disabled
if (!$objExercise->read($exerciseId) && (!$is_editor)) {
$tool_content .= "<p>$langExerciseNotFound</p>";
draw($tool_content, 2);
exit();
}
if(!$objExercise->selectScore() && !$is_editor) {
redirect_to_home_page("modules/exercise/index.php?course=$course_code");
}
}
if (isset($_SESSION['objExercise'][$exerciseId])) {
$objExercise = $_SESSION['objExercise'][$exerciseId];
}
if ($is_editor && isset($_GET['purgeAttempID'])) {
$eurid = $_GET['purgeAttempID'];
$objExercise->purgeAttempt($eurid);
Session::Messages($langPurgeExerciseResultsSuccess);
redirect_to_home_page("modules/exercise/results.php?course=$course_code&exerciseId=$exerciseId");
}
$exerciseTitle = $objExercise->selectTitle();
}
$objExercise = new Exercise();
$objExercise->read($exercise_user_record->eid);
} else {
//exercise user recird id is not set
redirect_to_home_page('modules/exercise/index.php?course=' . $course_code);
}
if ($is_editor && $exercise_user_record->attempt_status == ATTEMPT_PENDING) {
$head_content .= "<script type='text/javascript'> \n \t\t\$(document).ready(function(){\n function save_grade(elem){\n var grade = parseInt(\$(elem).val());\n var element_name = \$(elem).attr('name');\n var questionId = parseInt(element_name.substring(14,element_name.length - 1));\n var questionMaxGrade = parseInt(\$(elem).next().val());\n if (grade > questionMaxGrade) {\n bootbox.alert('{$langGradeTooBig}');\n return false;\n } else if (isNaN(grade)){\n \$(elem).css({'border-color':'red'});\n return false;\n } else {\n \$.ajax({\n type: 'POST',\n url: '',\n data: {question_grade: grade, question_id: questionId},\n });\n \$(elem).parent().prev().hide();\n \$(elem).prop('disabled', true);\n \$(elem).css({'border-color':'#dfdfdf'});\n var prev_grade = parseInt(\$('span#total_score').html());\n var updated_grade = prev_grade + grade;\n \$('span#total_score').html(updated_grade);\n return true;\n } \n }\n \$('.questionGradeBox').keyup(function (e) {\n if (e.keyCode == 13) {\n save_grade(this);\n var countnotgraded = \$('input.questionGradeBox').not(':disabled').length;\n if (countnotgraded == 0) {\n \$('a#submitButton').hide();\n \$('a#all').hide();\n \$('a#ungraded').hide();\n \$('table.graded').show('slow');\n } \n }\n });\n \$('a#submitButton').click(function(e){\n e.preventDefault();\n var success = true;\n \$('.questionGradeBox').each(function() {\n success = save_grade(this);\n });\n if (success) {\n \$(this).parent().hide();\n }\n }); \n \$('a#ungraded').click(function(e){\n e.preventDefault();\n \$('a#all').removeClass('btn-primary').addClass('btn-default');\n \$(this).removeClass('btn-default').addClass('btn-primary');\n \$('table.graded').hide('slow');\n });\n \$('a#all').click(function(e){\n e.preventDefault();\n \$('a#ungraded').removeClass('btn-primary').addClass('btn-default');\n \$(this).removeClass('btn-default').addClass('btn-primary');\n \$('table.graded').show('slow');\n }); \n });\n </script>";
}
$exerciseTitle = $objExercise->selectTitle();
$exerciseDescription = $objExercise->selectDescription();
$exerciseDescription_temp = nl2br(make_clickable($exerciseDescription));
$exerciseDescription_temp = mathfilter($exerciseDescription_temp, 12, "../../courses/mathimg/");
$displayResults = $objExercise->selectResults();
$displayScore = $objExercise->selectScore();
$tool_content .= "<div class='panel panel-primary'>\n <div class='panel-heading'>\n <h3 class='panel-title'>{$exerciseTitle}</h3>\n </div>";
if (!empty($exerciseDescription_temp)) {
$tool_content .= "<div class='panel-body'>\n {$exerciseDescription_temp}\n </div>";
}
$tool_content .= "</div>";
$tool_content .= "\n <div class='row margin-bottom-fat'>\n <div class='col-md-5 col-md-offset-7'>\n " . ($is_editor && $exercise_user_record->attempt_status == ATTEMPT_PENDING ? "<div class='btn-group btn-group-sm' style='float:right;'><a class='btn btn-primary' id='all'>Όλες οι ερωτήσεις</a><a class='btn btn-default' id='ungraded'>Ερωτήσεις προς Βαθμολόγηση</a></div>" : "") . "\n </div> \n </div>";
$i = 0;
// for each question
if (count($exercise_question_ids) > 0) {
foreach ($exercise_question_ids as $row) {
// creates a temporary Question object
$objQuestionTmp = new Question();
$objQuestionTmp->read($row->question_id);
// gets the student choice for this question
$choice = $objQuestionTmp->get_answers_record($eurid);
