if ($objAnswer->isCorrect($i)) {
$correct = $i;
}
}
}
// minimum 2 answers
if ($nbrAnswers < 2) {
$nbrAnswers = 2;
}
}
$tool_content .= "<div class='panel panel-primary'>
<div class='panel-heading'>
<h3 class='panel-title'>$langQuestion</h3>
</div>
<div class='panel-body'>
<h4><small>$questionTypeWord</small><br>" . nl2br(q_math($questionName)) . "</h4>
</div>
</div>";
$tool_content .= "<div class='panel panel-info'>
<div class='panel-heading'>
<h3 class='panel-title'>$langQuestionAnswers</h3>
</div>
<div class='panel-body'>";
if ($answerType == UNIQUE_ANSWER || $answerType == MULTIPLE_ANSWER) {
$tool_content .= "
<form method='post' action='$_SERVER[SCRIPT_NAME]?course=$course_code".((isset($exerciseId))? "&exerciseId=$exerciseId" : "")."&modifyAnswers=" . urlencode($_GET['modifyAnswers']) . "'>
<input type='hidden' name='formSent' value='1' />
<input type='hidden' name='nbrAnswers' value='$nbrAnswers' />
<fieldset>
if ($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();
$exerciseDescription = $objExercise->selectDescription();
$exerciseDescription_temp = nl2br(make_clickable($exerciseDescription));
$tool_content .= "
<div class='table-responsive'>
<table class='table-default'>
<tr>
<th>" . q_math($exerciseTitle) . "</th>
</tr>";
if($exerciseDescription_temp) {
$tool_content .= "
<tr>
<td>" . standard_text_escape($exerciseDescription_temp) . "</td>
</tr>";
}
$tool_content .= "</table>
</div><br>";
$status = (isset($_GET['status'])) ? intval($_GET['status']) : 0;
$tool_content .= "<select class='form-control' style='margin:0 0 12px 0;' id='status_filtering'>
<option value='results.php?course=$course_code&exerciseId=$exerciseId' ".(($status == 0)? 'selected' : '').">--- $langCurrentStatus ---</option>
<option value='results.php?course=$course_code&exerciseId=$exerciseId&status=".ATTEMPT_COMPLETED."' ".(($status == 1)? 'selected' : '').">$langAttemptCompleted</option>
<option value='results.php?course=$course_code&exerciseId=$exerciseId&status=".ATTEMPT_PENDING."' ".(($status == 2)? 'selected' : '').">$langAttemptPending</option>
<option value='results.php?course=$course_code&exerciseId=$exerciseId&status=".ATTEMPT_PAUSED."' ".(($status == 3)? 'selected' : '').">$langAttemptPaused</option>
<h3>$langQuestions</h3>
<div class='table-responsive'>
<table class='table-default'>
<thead>
<tr>
<th>$langTitle</th>
<th>Ποσοστό Επιτυχίας</th>
</tr>
</thead>
<tbody>";
foreach($questionList as $id){
$objQuestionTmp = new Question();
$objQuestionTmp->read($id);
$tool_content .= "
<tr>
<td>".q_math($objQuestionTmp->selectTitle())."</th>
<td>
<div class='progress'>
<div class='progress-bar progress-bar-success progress-bar-striped' role='progressbar' aria-valuenow='".$objQuestionTmp->successRate($exerciseId)."' aria-valuemin='0' aria-valuemax='100' style='width: ".$objQuestionTmp->successRate($exerciseId)."%;'>
".$objQuestionTmp->successRate($exerciseId)."%
</div>
</div></td>
</tr>";
}
$tool_content .= "
</tbody>
</table>
</div>";
draw($tool_content, 2, null, $head_content);
unset_exercise_var($exerciseId);
redirect_to_home_page('modules/exercise/index.php?course='.$course_code);
}
// else {
// redirect_to_home_page("modules/exercise/exercise_submit.php?course=$course_code&exerciseId=$exerciseId");
// }
} // end of submit
$exerciseDescription_temp = standard_text_escape($exerciseDescription);
$tool_content .= "<div class='panel panel-primary'>
<div class='panel-heading'>
<h3 class='panel-title'>" .
(isset($timeleft) && $timeleft>0 ?
"<div class='pull-right'>$langRemainingTime: <span id='progresstime'>" . $timeleft . "</span></div>" : '') .
q_math($exerciseTitle) . "</h3>
</div>";
if (!empty($exerciseDescription_temp)) {
$tool_content .= "<div class='panel-body'>
$exerciseDescription_temp
</div>";
}
$tool_content .= "</div><br>";
$tool_content .= "
<form class='form-horizontal exercise' role='form' method='post' action='$_SERVER[SCRIPT_NAME]?course=$course_code&exerciseId=$exerciseId".(isset($paused_attempt) ? "&eurId=$eurid" : "")."'>
<input type='hidden' name='formSent' value='1'>
<input type='hidden' name='attempt_value' value='$attempt_value'>
<input type='hidden' name='nbrQuestions' value='$nbrQuestions'>";
if ($answerType == UNIQUE_ANSWER || $answerType == MULTIPLE_ANSWER || $answerType == TRUE_FALSE) {
$colspan = 4;
} elseif ($answerType == MATCHING) {
$colspan = 2;
} else {
$colspan = 1;
}
$iplus = $i + 1;
$tool_content .= "
<table class='table-default ".(($question_graded)? 'graded' : 'ungraded')."'>
<tr class='active'>
<td colspan='${colspan}'><b><u>$langQuestion</u>: $iplus</b></td>
</tr>
<tr>
<td colspan='${colspan}'>
<b>" . q_math($questionName) . "</b>
<br />" .
standard_text_escape($questionDescription_temp)
. "<br/><br/>
</td>
</tr>";
if (file_exists($picturePath . '/quiz-' . $row->question_id)) {
$tool_content .= "
<tr class='even'>
<td class='text-center' colspan='${colspan}'><img src='../../" . ${'picturePath'} . "/quiz-" . $row->question_id . "'></td>
</tr>";
}
$questionScore = 0;
if ($showResults) {
if ($answerType == UNIQUE_ANSWER || $answerType == MULTIPLE_ANSWER || $answerType == TRUE_FALSE) {
exit();
}
// saves the object into the session
$_SESSION['objExercise'][$exerciseId] = $objExercise;
}
// if there is an active attempt and it's time passed. Complete the record to finish attempt
$tmp = Database::get()->querySingle("SELECT COUNT(*) AS cnt, record_start_date FROM `exercise_user_record` WHERE eid = ?d AND uid= ?d AND record_end_date is NULL", $exerciseId, $uid);
if ($tmp->cnt > 0) {
Database::get()->query("UPDATE `exercise_user_record` SET record_end_date = '".date('Y-m-d H:i:s', time())."' WHERE eid = ?d AND uid = ?d AND record_end_date is NULL", $exerciseId, $uid);
}
$exerciseTitle = $objExercise->selectTitle();
$exerciseDescription = $objExercise->selectDescription();
$exerciseDescription_temp = nl2br(make_clickable($exerciseDescription));
$tool_content .= "<table class='Exercise' width='99%'>
<thead><tr>
<td colspan='2'>
<b>" . q_math($exerciseTitle) . "</b>
<br/><br/>
" . q($exerciseDescription_temp) . "
</td>
</tr>
</thead></table>";
$tool_content .= $tool_content_extra;
draw($tool_content, 2);
function showQuestion(&$objQuestionTmp, $exerciseResult = array()) {
global $tool_content, $picturePath, $langNoAnswer, $langQuestion,
$langColumnA, $langColumnB, $langMakeCorrespond, $langInfoGrades, $i,
$exerciseType, $nbrQuestions, $langInfoGrade;
$questionId = $objQuestionTmp->id;
$questionWeight = $objQuestionTmp->selectWeighting();
$answerType = $objQuestionTmp->selectType();
$message = $langInfoGrades;
if (intval($questionWeight) == $questionWeight) {
$questionWeight = intval($questionWeight);
}
if ($questionWeight == 1) {
$message = $langInfoGrade;
}
$questionName = $objQuestionTmp->selectTitle();
$questionDescription = standard_text_escape($objQuestionTmp->selectDescription());
$questionTypeWord = $objQuestionTmp->selectTypeWord($answerType);
$tool_content .= "
<div class='panel panel-success'>
<div class='panel-heading'>
<h3 class='panel-title'>$langQuestion : $i ($questionWeight $message)".(($exerciseType == 2) ? " / " . $nbrQuestions : "")."</h3>
</div>
<div class='panel-body'>
<h4>
<small>$questionTypeWord</small><br>" . q_math($questionName) . "
</h4>
$questionDescription
<div class='text-center'>
".(file_exists($picturePath . '/quiz-' . $questionId) ? "<img src='../../$picturePath/quiz-$questionId'>" : "")."
</div>";
// construction of the Answer object
$objAnswerTmp = new Answer($questionId);
$nbrAnswers = $objAnswerTmp->selectNbrAnswers();
if ($answerType == FREE_TEXT) {
$text = (isset($exerciseResult[$questionId])) ? $exerciseResult[$questionId] : '';
$tool_content .= rich_text_editor('choice['.$questionId.']', 14, 90, $text);
}
if ($answerType == UNIQUE_ANSWER || $answerType == MULTIPLE_ANSWER ||$answerType == TRUE_FALSE) {
$tool_content .= "<input type='hidden' name='choice[${questionId}]' value='0' />";
}
// only used for the answer type "Matching"
if ($answerType == MATCHING && $nbrAnswers>0) {
$cpt1 = 'A';
$cpt2 = 1;
$Select = array();
$tool_content .= "
<table class='table-default'>
<tr>
<th>$langColumnA</th>
<th>$langMakeCorrespond</th>
<th>$langColumnB</th>
</tr>";
}
if ($answerType == FILL_IN_BLANKS || $answerType == FILL_IN_BLANKS_TOLERANT) {
$tool_content .= "<div class='form-inline' style='line-height:2.2;'>";
}
for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
$answer = $objAnswerTmp->selectAnswer($answerId);
$answer = mathfilter($answer, 12, '../../courses/mathimg/');
$answerCorrect = $objAnswerTmp->isCorrect($answerId);
if ($answerType == FILL_IN_BLANKS || $answerType == FILL_IN_BLANKS_TOLERANT) {
// splits text and weightings that are joined with the character '::'
list($answer) = explode('::', $answer);
// replaces [blank] by an input field
$replace_callback = function () use ($questionId, $exerciseResult) {
static $id = 0;
$id++;
$value = (isset($exerciseResult[$questionId][$id])) ? 'value = '.$exerciseResult[$questionId][$id] : '';
return "<input type='text' style='line-height:normal;' name='choice[$questionId][$id]' $value>";
};
$answer = preg_replace_callback('/\[[^]]+\]/', $replace_callback, standard_text_escape(($answer)));
}
// unique answer
if ($answerType == UNIQUE_ANSWER) {
$checked = (isset($exerciseResult[$questionId]) && $exerciseResult[$questionId] == $answerId) ? 'checked="checked"' : '';
$tool_content .= "
<div class='radio'>
<label>
<input type='radio' name='choice[${questionId}]' value='${answerId}' $checked>
" . standard_text_escape($answer) . "
</label>
</div>";
}
// multiple answers
elseif ($answerType == MULTIPLE_ANSWER) {
$checked = (isset($exerciseResult[$questionId][$answerId]) && $exerciseResult[$questionId][$answerId] == 1) ? 'checked="checked"' : '';
$tool_content .= "
<div class='checkbox'>
<label>
<input type='checkbox' name='choice[${questionId}][${answerId}]' value='1' $checked>
" . standard_text_escape($answer) . "
</label>
</div>";
}
// fill in blanks
elseif ($answerType == FILL_IN_BLANKS || $answerType == FILL_IN_BLANKS_TOLERANT) {
$tool_content .= $answer;
}
// matching
elseif ($answerType == MATCHING) {
if (!$answerCorrect) {
// options (A, B, C, ...) that will be put into the list-box
$Select[$answerId]['Lettre'] = $cpt1++;
// answers that will be shown at the right side
$Select[$answerId]['Reponse'] = standard_text_escape($answer);
} else {
$tool_content .= "
<tr>
<td><b>${cpt2}.</b> " . standard_text_escape($answer) . "</td>
<td><div align='left'>
<select name='choice[${questionId}][${answerId}]'>
<option value='0'>--</option>";
// fills the list-box
foreach ($Select as $key => $val) {
$selected = (isset($exerciseResult[$questionId][$answerId]) && $exerciseResult[$questionId][$answerId] == $key) ? 'selected="selected"' : '';
$tool_content .= "
<option value=\"" . q($key) . "\" $selected>${val['Lettre']}</option>";
}
$tool_content .= "</select></div></td><td width='200'>";
if (isset($Select[$cpt2])) {
$tool_content .= '<b>' . q($Select[$cpt2]['Lettre']) . '.</b> ' . $Select[$cpt2]['Reponse'];
} else {
$tool_content .= ' ';
}
$tool_content .= "</td></tr>";
$cpt2++;
// if the left side of the "matching" has been completely shown
if ($answerId == $nbrAnswers) {
// if it remains answers to shown at the right side
while (isset($Select[$cpt2])) {
$tool_content .= "
<tr class='even'>
<td colspan='2'>
<table width='100%'>
<tr>
<td width='200'> </td>
<td width='100'> </td>
<td width='200' valign='top'>" .
"<b>" . q($Select[$cpt2]['Lettre']) . ".</b> " . q($Select[$cpt2]['Reponse']) . "
</td>
</tr>
</table>
</td>
</tr>";
$cpt2++;
} // end while()
} // end if()
}
} elseif ($answerType == TRUE_FALSE) {
$checked = (isset($exerciseResult[$questionId]) && $exerciseResult[$questionId] == $answerId) ? 'checked="checked"' : '';
$tool_content .= "
<div class='radio'>
<label>
<input type='radio' name='choice[${questionId}]' value='${answerId}' $checked>
" . standard_text_escape($answer) . "
</label>
</div>";
}
} // end for()
if ($answerType == MATCHING && $nbrAnswers>0) {
$tool_content .= "</table>";
}
if ($answerType == FILL_IN_BLANKS || $answerType == FILL_IN_BLANKS_TOLERANT) {
$tool_content .= "</div>";
}
if (!$nbrAnswers && $answerType != FREE_TEXT) {
$tool_content .= "<div class='alert alert-danger'>$langNoAnswer</div>";
}
$tool_content .= "
</div>
</div>";
// destruction of the Answer object
unset($objAnswerTmp);
// destruction of the Question object
unset($objQuestionTmp);
return $nbrAnswers;
}