/**
  * @param $separatorStartRegexp
  * @param $separatorEndRegexp
  * @param $correctItemRegexp
  * @param $questionId
  * @param $correctItem
  * @param $attributes
  * @param $answer
  * @param $listAnswersInfo
  * @param $displayForStudent
  * @return string
  */
 public static function getFillTheBlankHtml($separatorStartRegexp, $separatorEndRegexp, $correctItemRegexp, $questionId, $correctItem, $attributes, $answer, $listAnswersInfo, $displayForStudent, $inBlankNumber)
 {
     $result = "";
     $inTabTeacherSolution = $listAnswersInfo['tabwords'];
     $inTeacherSolution = $inTabTeacherSolution[$inBlankNumber];
     switch (self::getFillTheBlankAnswerType($inTeacherSolution)) {
         case self::FILL_THE_BLANK_MENU:
             $selected = "";
             // the blank menu
             $optionMenu = "";
             // display a menu from answer separated with |
             // if display for student, shuffle the correct answer menu
             $listMenu = self::getFillTheBlankMenuAnswers($inTeacherSolution, $displayForStudent);
             $result .= '<select name="choice[' . $questionId . '][]">';
             for ($k = 0; $k < count($listMenu); $k++) {
                 $selected = "";
                 if ($correctItem == $listMenu[$k]) {
                     $selected = " selected=selected ";
                 }
                 // if in teacher view, display the first item by default, which is the right answer
                 if ($k == 0 && !$displayForStudent) {
                     $selected = " selected=selected ";
                 }
                 $optionMenu .= '<option ' . $selected . ' value="' . $listMenu[$k] . '">' . $listMenu[$k] . '</option>';
             }
             if ($selected == "") {
                 // no good answer have been found...
                 $selected = " selected=selected ";
             }
             $result .= "<option {$selected} value=''>--</option>";
             $result .= $optionMenu;
             $result .= '</select>';
             break;
         case self::FILL_THE_BLANK_SEVERAL_ANSWER:
             //no break
         //no break
         case self::FILL_THE_BLANK_STANDARD:
         default:
             $result = Display::input('text', "choice[{$questionId}][]", $correctItem, $attributes);
             break;
     }
     return $result;
 }
            exit;
        }
    }
}
$actions = null;
if ($is_allowedToEdit && $origin != 'learnpath') {
    // the form
    if (api_is_platform_admin() || api_is_course_admin() || api_is_course_tutor() || api_is_course_coach()) {
        $actions .= '<a href="admin.php?exerciseId=' . intval($_GET['exerciseId']) . '">' . Display::return_icon('back.png', get_lang('GoBackToQuestionList'), '', ICON_SIZE_MEDIUM) . '</a>';
        $actions .= '<a href="live_stats.php?' . api_get_cidreq() . '&exerciseId=' . $exercise_id . '">' . Display::return_icon('activity_monitor.png', get_lang('LiveResults'), '', ICON_SIZE_MEDIUM) . '</a>';
        $actions .= '<a href="stats.php?' . api_get_cidreq() . '&exerciseId=' . $exercise_id . '">' . Display::return_icon('statistics.png', get_lang('ReportByQuestion'), '', ICON_SIZE_MEDIUM) . '</a>';
        $actions .= '<a id="export_opener" href="' . api_get_self() . '?export_report=1&exerciseId=' . intval($_GET['exerciseId']) . '" >' . Display::return_icon('save.png', get_lang('Export'), '', ICON_SIZE_MEDIUM) . '</a>';
        // clean result before a selected date icon
        $actions .= Display::url(Display::return_icon('clean_before_date.png', get_lang('CleanStudentsResultsBeforeDate'), '', ICON_SIZE_MEDIUM), '#', array('onclick' => "javascript:display_date_picker()"));
        // clean result before a selected date datepicker popup
        $actions .= Display::span(Display::input('input', 'datepicker_start', get_lang('SelectADateOnTheCalendar'), array('onmouseover' => 'datepicker_input_mouseover()', 'id' => 'datepicker_start', 'onchange' => 'datepicker_input_changed()', 'readonly' => 'readonly')) . Display::button('delete', get_lang('Delete'), array('onclick' => 'submit_datepicker()')), array('style' => 'display:none', 'id' => 'datepicker_span'));
    }
} else {
    $actions .= '<a href="exercise.php">' . Display::return_icon('back.png', get_lang('GoBackToQuestionList'), '', ICON_SIZE_MEDIUM) . '</a>';
}
//Deleting an attempt
if (($is_allowedToEdit || $is_tutor || api_is_coach()) && isset($_GET['delete']) && $_GET['delete'] == 'delete' && !empty($_GET['did']) && $locked == false) {
    $exe_id = intval($_GET['did']);
    if (!empty($exe_id)) {
        $sql = 'DELETE FROM ' . $TBL_TRACK_EXERCISES . ' WHERE exe_id = ' . $exe_id;
        Database::query($sql);
        $sql = 'DELETE FROM ' . $TBL_TRACK_ATTEMPT . ' WHERE exe_id = ' . $exe_id;
        Database::query($sql);
        header('Location: exercise_report.php?' . api_get_cidreq() . '&exerciseId=' . $exercise_id);
        exit;
    }
Example #3
0
    /**
     * Shows a question
     *
     * @param int    $questionId question id
     * @param bool   $only_questions if true only show the questions, no exercise title
     * @param bool   $origin  i.e = learnpath
     * @param string $current_item current item from the list of questions
     * @param bool   $show_title
     * @param bool   $freeze
     * @param array  $user_choice
     * @param bool   $show_comment
     * @param bool   $exercise_feedback
     * @param bool   $show_answers
     * */
    public static function showQuestion($questionId, $only_questions = false, $origin = false, $current_item = '', $show_title = true, $freeze = false, $user_choice = array(), $show_comment = false, $exercise_feedback = null, $show_answers = false)
    {
        $course_id = api_get_course_int_id();
        // Change false to true in the following line to enable answer hinting
        $debug_mark_answer = $show_answers;
        // Reads question information
        if (!($objQuestionTmp = Question::read($questionId))) {
            // Question not found
            return false;
        }
        if ($exercise_feedback != EXERCISE_FEEDBACK_TYPE_END) {
            $show_comment = false;
        }
        $answerType = $objQuestionTmp->selectType();
        $pictureName = $objQuestionTmp->selectPicture();
        $s = '';
        if ($answerType != HOT_SPOT && $answerType != HOT_SPOT_DELINEATION) {
            // Question is not a hotspot
            if (!$only_questions) {
                $questionDescription = $objQuestionTmp->selectDescription();
                if ($show_title) {
                    TestCategory::displayCategoryAndTitle($objQuestionTmp->id);
                    echo Display::div($current_item . '. ' . $objQuestionTmp->selectTitle(), array('class' => 'question_title'));
                }
                if (!empty($questionDescription)) {
                    echo Display::div($questionDescription, array('class' => 'question_description'));
                }
            }
            if (in_array($answerType, array(FREE_ANSWER, ORAL_EXPRESSION)) && $freeze) {
                return '';
            }
            echo '<div class="question_options row">';
            // construction of the Answer object (also gets all answers details)
            $objAnswerTmp = new Answer($questionId);
            $nbrAnswers = $objAnswerTmp->selectNbrAnswers();
            $quiz_question_options = Question::readQuestionOption($questionId, $course_id);
            // For "matching" type here, we need something a little bit special
            // because the match between the suggestions and the answers cannot be
            // done easily (suggestions and answers are in the same table), so we
            // have to go through answers first (elems with "correct" value to 0).
            $select_items = array();
            //This will contain the number of answers on the left side. We call them
            // suggestions here, for the sake of comprehensions, while the ones
            // on the right side are called answers
            $num_suggestions = 0;
            if (in_array($answerType, [MATCHING, DRAGGABLE, MATCHING_DRAGGABLE])) {
                if ($answerType == DRAGGABLE) {
                    $s .= '<div class="col-md-12 ui-widget ui-helper-clearfix">
                        <div class="clearfix">
                        <ul class="exercise-draggable-answer ui-helper-reset ui-helper-clearfix">';
                } else {
                    $s .= '<div id="drag' . $questionId . '_question" class="drag_question">
                           <table class="data_table">';
                }
                // Iterate through answers
                $x = 1;
                //mark letters for each answer
                $letter = 'A';
                $answer_matching = array();
                $cpt1 = array();
                for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
                    $answerCorrect = $objAnswerTmp->isCorrect($answerId);
                    $numAnswer = $objAnswerTmp->selectAutoId($answerId);
                    if ($answerCorrect == 0) {
                        // options (A, B, C, ...) that will be put into the list-box
                        // have the "correct" field set to 0 because they are answer
                        $cpt1[$x] = $letter;
                        $answer_matching[$x] = $objAnswerTmp->selectAnswerByAutoId($numAnswer);
                        $x++;
                        $letter++;
                    }
                }
                $i = 1;
                $select_items[0]['id'] = 0;
                $select_items[0]['letter'] = '--';
                $select_items[0]['answer'] = '';
                foreach ($answer_matching as $id => $value) {
                    $select_items[$i]['id'] = $value['id_auto'];
                    $select_items[$i]['letter'] = $cpt1[$id];
                    $select_items[$i]['answer'] = $value['answer'];
                    $i++;
                }
                $user_choice_array_position = array();
                if (!empty($user_choice)) {
                    foreach ($user_choice as $item) {
                        $user_choice_array_position[$item['position']] = $item['answer'];
                    }
                }
                $num_suggestions = $nbrAnswers - $x + 1;
            } elseif ($answerType == FREE_ANSWER) {
                $fck_content = isset($user_choice[0]) && !empty($user_choice[0]['answer']) ? $user_choice[0]['answer'] : null;
                $form = new FormValidator('free_choice_' . $questionId);
                $config = array('ToolbarSet' => 'TestFreeAnswer');
                $form->addHtmlEditor("choice[" . $questionId . "]", null, false, false, $config);
                $form->setDefaults(array("choice[" . $questionId . "]" => $fck_content));
                $s .= $form->returnForm();
            } elseif ($answerType == ORAL_EXPRESSION) {
                // Add nanog
                if (api_get_setting('document.enable_nanogong') == 'true') {
                    //@todo pass this as a parameter
                    global $exercise_stat_info, $exerciseId, $exe_id;
                    if (!empty($exercise_stat_info)) {
                        $params = array('exercise_id' => $exercise_stat_info['exe_exo_id'], 'exe_id' => $exercise_stat_info['exe_id'], 'question_id' => $questionId);
                    } else {
                        $params = array('exercise_id' => $exerciseId, 'exe_id' => 'temp_exe', 'question_id' => $questionId);
                    }
                    $nano = new Nanogong($params);
                    echo $nano->show_button();
                }
                $form = new FormValidator('free_choice_' . $questionId);
                $config = array('ToolbarSet' => 'TestFreeAnswer');
                $form->addHtmlEditor("choice[" . $questionId . "]", null, false, false, $config);
                //$form->setDefaults(array("choice[" . $questionId . "]" => $fck_content));
                $s .= $form->returnForm();
            }
            // Now navigate through the possible answers, using the max number of
            // answers for the question as a limiter
            $lines_count = 1;
            // a counter for matching-type answers
            if ($answerType == MULTIPLE_ANSWER_TRUE_FALSE || $answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
                $header = Display::tag('th', get_lang('Options'));
                foreach ($objQuestionTmp->options as $item) {
                    if ($answerType == MULTIPLE_ANSWER_TRUE_FALSE) {
                        if (in_array($item, $objQuestionTmp->options)) {
                            $header .= Display::tag('th', get_lang($item));
                        } else {
                            $header .= Display::tag('th', $item);
                        }
                    } else {
                        $header .= Display::tag('th', $item);
                    }
                }
                if ($show_comment) {
                    $header .= Display::tag('th', get_lang('Feedback'));
                }
                $s .= '<table class="table table-hover table-striped">';
                $s .= Display::tag('tr', $header, array('style' => 'text-align:left;'));
            }
            if ($show_comment) {
                if (in_array($answerType, array(MULTIPLE_ANSWER, MULTIPLE_ANSWER_COMBINATION, UNIQUE_ANSWER, UNIQUE_ANSWER_IMAGE, UNIQUE_ANSWER_NO_OPTION, GLOBAL_MULTIPLE_ANSWER))) {
                    $header = Display::tag('th', get_lang('Options'));
                    if ($exercise_feedback == EXERCISE_FEEDBACK_TYPE_END) {
                        $header .= Display::tag('th', get_lang('Feedback'));
                    }
                    $s .= '<table class="table table-hover table-striped">';
                    $s .= Display::tag('tr', $header, array('style' => 'text-align:left;'));
                }
            }
            $matching_correct_answer = 0;
            $user_choice_array = array();
            if (!empty($user_choice)) {
                foreach ($user_choice as $item) {
                    $user_choice_array[] = $item['answer'];
                }
            }
            for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
                $answer = $objAnswerTmp->selectAnswer($answerId);
                $answerCorrect = $objAnswerTmp->isCorrect($answerId);
                $numAnswer = $objAnswerTmp->selectAutoId($answerId);
                $comment = $objAnswerTmp->selectComment($answerId);
                $attributes = array();
                // Unique answer
                if (in_array($answerType, [UNIQUE_ANSWER, UNIQUE_ANSWER_NO_OPTION, UNIQUE_ANSWER_IMAGE])) {
                    $input_id = 'choice-' . $questionId . '-' . $answerId;
                    if (isset($user_choice[0]['answer']) && $user_choice[0]['answer'] == $numAnswer) {
                        $attributes = array('id' => $input_id, 'checked' => 1, 'selected' => 1);
                    } else {
                        $attributes = array('id' => $input_id);
                    }
                    if ($debug_mark_answer) {
                        if ($answerCorrect) {
                            $attributes['checked'] = 1;
                            $attributes['selected'] = 1;
                        }
                    }
                    if ($show_comment) {
                        $s .= '<tr><td>';
                    }
                    if ($answerType == UNIQUE_ANSWER_IMAGE) {
                        if ($show_comment) {
                            if (empty($comment)) {
                                $s .= '<div id="answer' . $questionId . $numAnswer . '" ' . 'class="exercise-unique-answer-image" style="text-align: center">';
                            } else {
                                $s .= '<div id="answer' . $questionId . $numAnswer . '" ' . 'class="exercise-unique-answer-image col-xs-6 col-sm-12" style="text-align: center">';
                            }
                        } else {
                            $s .= '<div id="answer' . $questionId . $numAnswer . '" ' . 'class="exercise-unique-answer-image col-xs-6 col-md-3" style="text-align: center">';
                        }
                    }
                    $answer = Security::remove_XSS($answer, STUDENT);
                    $s .= Display::input('hidden', 'choice2[' . $questionId . ']', '0');
                    $answer_input = null;
                    if ($answerType == UNIQUE_ANSWER_IMAGE) {
                        $attributes['style'] = 'display: none;';
                        $answer = '<div class="thumbnail">' . $answer . '</div>';
                    }
                    $answer_input .= '<label class="radio">';
                    $answer_input .= Display::input('radio', 'choice[' . $questionId . ']', $numAnswer, $attributes);
                    $answer_input .= $answer;
                    $answer_input .= '</label>';
                    if ($answerType == UNIQUE_ANSWER_IMAGE) {
                        $answer_input .= "</div>";
                    }
                    if ($show_comment) {
                        $s .= $answer_input;
                        $s .= '</td>';
                        $s .= '<td>';
                        $s .= $comment;
                        $s .= '</td>';
                        $s .= '</tr>';
                    } else {
                        $s .= $answer_input;
                    }
                } elseif ($answerType == MULTIPLE_ANSWER || $answerType == MULTIPLE_ANSWER_TRUE_FALSE || $answerType == GLOBAL_MULTIPLE_ANSWER) {
                    $input_id = 'choice-' . $questionId . '-' . $answerId;
                    $answer = Security::remove_XSS($answer, STUDENT);
                    if (in_array($numAnswer, $user_choice_array)) {
                        $attributes = array('id' => $input_id, 'checked' => 1, 'selected' => 1);
                    } else {
                        $attributes = array('id' => $input_id);
                    }
                    if ($debug_mark_answer) {
                        if ($answerCorrect) {
                            $attributes['checked'] = 1;
                            $attributes['selected'] = 1;
                        }
                    }
                    if ($answerType == MULTIPLE_ANSWER || $answerType == GLOBAL_MULTIPLE_ANSWER) {
                        $s .= '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
                        $answer_input = '<label class="checkbox">';
                        $answer_input .= Display::input('checkbox', 'choice[' . $questionId . '][' . $numAnswer . ']', $numAnswer, $attributes);
                        $answer_input .= $answer;
                        $answer_input .= '</label>';
                        if ($show_comment) {
                            $s .= '<tr><td>';
                            $s .= $answer_input;
                            $s .= '</td>';
                            $s .= '<td>';
                            $s .= $comment;
                            $s .= '</td>';
                            $s .= '</tr>';
                        } else {
                            $s .= $answer_input;
                        }
                    } elseif ($answerType == MULTIPLE_ANSWER_TRUE_FALSE) {
                        $my_choice = array();
                        if (!empty($user_choice_array)) {
                            foreach ($user_choice_array as $item) {
                                $item = explode(':', $item);
                                $my_choice[$item[0]] = $item[1];
                            }
                        }
                        $s .= '<tr>';
                        $s .= Display::tag('td', $answer);
                        if (!empty($quiz_question_options)) {
                            foreach ($quiz_question_options as $id => $item) {
                                if (isset($my_choice[$numAnswer]) && $id == $my_choice[$numAnswer]) {
                                    $attributes = array('checked' => 1, 'selected' => 1);
                                } else {
                                    $attributes = array();
                                }
                                if ($debug_mark_answer) {
                                    if ($id == $answerCorrect) {
                                        $attributes['checked'] = 1;
                                        $attributes['selected'] = 1;
                                    }
                                }
                                $s .= Display::tag('td', Display::input('radio', 'choice[' . $questionId . '][' . $numAnswer . ']', $id, $attributes), array('style' => ''));
                            }
                        }
                        if ($show_comment) {
                            $s .= '<td>';
                            $s .= $comment;
                            $s .= '</td>';
                        }
                        $s .= '</tr>';
                    }
                } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION) {
                    // multiple answers
                    $input_id = 'choice-' . $questionId . '-' . $answerId;
                    if (in_array($numAnswer, $user_choice_array)) {
                        $attributes = array('id' => $input_id, 'checked' => 1, 'selected' => 1);
                    } else {
                        $attributes = array('id' => $input_id);
                    }
                    if ($debug_mark_answer) {
                        if ($answerCorrect) {
                            $attributes['checked'] = 1;
                            $attributes['selected'] = 1;
                        }
                    }
                    $answer = Security::remove_XSS($answer, STUDENT);
                    $answer_input = '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
                    $answer_input .= '<label class="checkbox">';
                    $answer_input .= Display::input('checkbox', 'choice[' . $questionId . '][' . $numAnswer . ']', 1, $attributes);
                    $answer_input .= $answer;
                    $answer_input .= '</label>';
                    if ($show_comment) {
                        $s .= '<tr>';
                        $s .= '<td>';
                        $s .= $answer_input;
                        $s .= '</td>';
                        $s .= '<td>';
                        $s .= $comment;
                        $s .= '</td>';
                        $s .= '</tr>';
                    } else {
                        $s .= $answer_input;
                    }
                } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
                    $s .= '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
                    $my_choice = array();
                    if (!empty($user_choice_array)) {
                        foreach ($user_choice_array as $item) {
                            $item = explode(':', $item);
                            if (isset($item[1]) && isset($item[0])) {
                                $my_choice[$item[0]] = $item[1];
                            }
                        }
                    }
                    $answer = Security::remove_XSS($answer, STUDENT);
                    $s .= '<tr>';
                    $s .= Display::tag('td', $answer);
                    foreach ($objQuestionTmp->options as $key => $item) {
                        if (isset($my_choice[$numAnswer]) && $key == $my_choice[$numAnswer]) {
                            $attributes = array('checked' => 1, 'selected' => 1);
                        } else {
                            $attributes = array();
                        }
                        if ($debug_mark_answer) {
                            if ($key == $answerCorrect) {
                                $attributes['checked'] = 1;
                                $attributes['selected'] = 1;
                            }
                        }
                        $s .= Display::tag('td', Display::input('radio', 'choice[' . $questionId . '][' . $numAnswer . ']', $key, $attributes));
                    }
                    if ($show_comment) {
                        $s .= '<td>';
                        $s .= $comment;
                        $s .= '</td>';
                    }
                    $s .= '</tr>';
                } elseif ($answerType == FILL_IN_BLANKS) {
                    // display the question, with field empty, for student to fill it,
                    // or filled to display the answer in the Question preview of the exercice/admin.php page
                    $displayForStudent = true;
                    $listAnswerInformations = FillBlanks::getAnswerInfo($answer);
                    $separatorStartRegexp = FillBlanks::escapeForRegexp($listAnswerInformations['blankseparatorstart']);
                    $separatorEndRegexp = FillBlanks::escapeForRegexp($listAnswerInformations['blankseparatorend']);
                    list($answer) = explode('::', $answer);
                    //Correct answers
                    $correctAnswerList = $listAnswerInformations['tabwords'];
                    //Student's answer
                    $studentAnswerList = array();
                    if (isset($user_choice[0]['answer'])) {
                        $arrayStudentAnswer = FillBlanks::getAnswerInfo($user_choice[0]['answer'], true);
                        $studentAnswerList = $arrayStudentAnswer['studentanswer'];
                    }
                    // If the question must be shown with the answer (in page exercice/admin.php) for teacher preview
                    // set the student-answer to the correct answer
                    if ($debug_mark_answer) {
                        $studentAnswerList = $correctAnswerList;
                        $displayForStudent = false;
                    }
                    if (!empty($correctAnswerList) && !empty($studentAnswerList)) {
                        $answer = "";
                        for ($i = 0; $i < count($listAnswerInformations["commonwords"]) - 1; $i++) {
                            // display the common word
                            $answer .= $listAnswerInformations["commonwords"][$i];
                            // display the blank word
                            $correctItem = $listAnswerInformations["tabwords"][$i];
                            $correctItemRegexp = $correctItem;
                            // replace / with \/ to allow the preg_replace bellow and all the regexp char
                            $correctItemRegexp = FillBlanks::getRegexpProtected($correctItemRegexp);
                            if (isset($studentAnswerList[$i])) {
                                // If student already started this test and answered this question,
                                // fill the blank with his previous answers
                                // may be "" if student viewed the question, but did not fill the blanks
                                $correctItem = $studentAnswerList[$i];
                            }
                            $attributes["style"] = "width:" . $listAnswerInformations["tabinputsize"][$i] . "px";
                            $answer .= FillBlanks::getFillTheBlankHtml($separatorStartRegexp, $separatorEndRegexp, $correctItemRegexp, $questionId, $correctItem, $attributes, $answer, $listAnswerInformations, $displayForStudent, $i);
                        }
                        // display the last common word
                        $answer .= $listAnswerInformations["commonwords"][$i];
                    } else {
                        // display empty [input] with the right width for student to fill it
                        $separatorStartRegexp = FillBlanks::escapeForRegexp($listAnswerInformations['blankseparatorstart']);
                        $separatorEndRegexp = FillBlanks::escapeForRegexp($listAnswerInformations['blankseparatorend']);
                        $answer = "";
                        for ($i = 0; $i < count($listAnswerInformations["commonwords"]) - 1; $i++) {
                            // display the common words
                            $answer .= $listAnswerInformations["commonwords"][$i];
                            // display the blank word
                            $attributes["style"] = "width:" . $listAnswerInformations["tabinputsize"][$i] . "px";
                            $correctItem = $listAnswerInformations["tabwords"][$i];
                            $correctItemRegexp = $correctItem;
                            // replace / with \/ to allow the preg_replace bellow and all the regexp char
                            $correctItemRegexp = FillBlanks::getRegexpProtected($correctItemRegexp);
                            $answer .= FillBlanks::getFillTheBlankHtml($separatorStartRegexp, $separatorEndRegexp, $correctItemRegexp, $questionId, '', $attributes, $answer, $listAnswerInformations, $displayForStudent, $i);
                        }
                        // display the last common word
                        $answer .= $listAnswerInformations["commonwords"][$i];
                    }
                    $s .= $answer;
                } elseif ($answerType == CALCULATED_ANSWER) {
                    /*
                     * In the CALCULATED_ANSWER test
                     * you mustn't have [ and ] in the textarea
                     * you mustn't have @@ in the textarea
                     * the text to find mustn't be empty or contains only spaces
                     * the text to find mustn't contains HTML tags
                     * the text to find mustn't contains char "
                     */
                    if ($origin !== null) {
                        global $exe_id;
                        $trackAttempts = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
                        $sql = 'SELECT answer
                                FROM ' . $trackAttempts . '
                                WHERE exe_id=' . $exe_id . ' AND question_id=' . $questionId;
                        $rsLastAttempt = Database::query($sql);
                        $rowLastAttempt = Database::fetch_array($rsLastAttempt);
                        $answer = $rowLastAttempt['answer'];
                        if (empty($answer)) {
                            $calculatedAnswerId = [];
                            $calculatedAnswerId[$questionId] = mt_rand(1, $nbrAnswers);
                            $answer = $objAnswerTmp->selectAnswer($calculatedAnswerId[$questionId]);
                            Session::write('calculatedAnswerId', $calculatedAnswerId);
                        }
                    }
                    list($answer) = explode('@@', $answer);
                    // $correctAnswerList array of array with correct anwsers 0=> [0=>[\p] 1=>[plop]]
                    api_preg_match_all('/\\[[^]]+\\]/', $answer, $correctAnswerList);
                    // get student answer to display it if student go back to previous calculated answer question in a test
                    if (isset($user_choice[0]['answer'])) {
                        api_preg_match_all('/\\[[^]]+\\]/', $answer, $studentAnswerList);
                        $studentAnswerListTobecleaned = $studentAnswerList[0];
                        $studentAnswerList = array();
                        for ($i = 0; $i < count($studentAnswerListTobecleaned); $i++) {
                            $answerCorrected = $studentAnswerListTobecleaned[$i];
                            $answerCorrected = api_preg_replace('| / <font color="green"><b>.*$|', '', $answerCorrected);
                            $answerCorrected = api_preg_replace('/^\\[/', '', $answerCorrected);
                            $answerCorrected = api_preg_replace('|^<font color="red"><s>|', '', $answerCorrected);
                            $answerCorrected = api_preg_replace('|</s></font>$|', '', $answerCorrected);
                            $answerCorrected = '[' . $answerCorrected . ']';
                            $studentAnswerList[] = $answerCorrected;
                        }
                    }
                    // If display preview of answer in test view for exemple, set the student answer to the correct answers
                    if ($debug_mark_answer) {
                        // contain the rights answers surronded with brackets
                        $studentAnswerList = $correctAnswerList[0];
                    }
                    /*
                    Split the response by bracket
                    tabComments is an array with text surrounding the text to find
                    we add a space before and after the answerQuestion to be sure to
                    have a block of text before and after [xxx] patterns
                    so we have n text to find ([xxx]) and n+1 block of texts before,
                    between and after the text to find
                    */
                    $tabComments = api_preg_split('/\\[[^]]+\\]/', ' ' . $answer . ' ');
                    if (!empty($correctAnswerList) && !empty($studentAnswerList)) {
                        $answer = "";
                        $i = 0;
                        foreach ($studentAnswerList as $studentItem) {
                            // remove surronding brackets
                            $studentResponse = api_substr($studentItem, 1, api_strlen($studentItem) - 2);
                            $size = strlen($studentItem);
                            $attributes['class'] = self::detectInputAppropriateClass($size);
                            $answer .= $tabComments[$i] . Display::input('text', "choice[{$questionId}][]", $studentResponse, $attributes);
                            $i++;
                        }
                        $answer .= $tabComments[$i];
                    } else {
                        // display exercise with empty input fields
                        // every [xxx] are replaced with an empty input field
                        foreach ($correctAnswerList[0] as $item) {
                            $size = strlen($item);
                            $attributes['class'] = self::detectInputAppropriateClass($size);
                            $answer = str_replace($item, Display::input('text', "choice[{$questionId}][]", '', $attributes), $answer);
                        }
                    }
                    if ($origin !== null) {
                        $s = $answer;
                        break;
                    } else {
                        $s .= $answer;
                    }
                } elseif ($answerType == MATCHING) {
                    // matching type, showing suggestions and answers
                    // TODO: replace $answerId by $numAnswer
                    if ($answerCorrect != 0) {
                        // only show elements to be answered (not the contents of
                        // the select boxes, who are corrrect = 0)
                        $s .= '<tr><td width="45%" valign="top">';
                        $parsed_answer = $answer;
                        //left part questions
                        $s .= '<p class="indent">' . $lines_count . '.&nbsp;' . $parsed_answer . '</p></td>';
                        //middle part (matches selects)
                        $s .= '<td width="10%" valign="top" align="center" >
                                <div class="select-matching">
                                <select name="choice[' . $questionId . '][' . $numAnswer . ']">';
                        // fills the list-box
                        foreach ($select_items as $key => $val) {
                            // set $debug_mark_answer to true at function start to
                            // show the correct answer with a suffix '-x'
                            $selected = '';
                            if ($debug_mark_answer) {
                                if ($val['id'] == $answerCorrect) {
                                    $selected = 'selected="selected"';
                                }
                            }
                            //$user_choice_array_position
                            if (isset($user_choice_array_position[$numAnswer]) && $val['id'] == $user_choice_array_position[$numAnswer]) {
                                $selected = 'selected="selected"';
                            }
                            $s .= '<option value="' . $val['id'] . '" ' . $selected . '>' . $val['letter'] . '</option>';
                        }
                        // end foreach()
                        $s .= '</select></div></td><td width="5%" class="separate">&nbsp;</td>';
                        $s .= '<td width="40%" valign="top" >';
                        if (isset($select_items[$lines_count])) {
                            $s .= '<div class="text-right"><p class="indent">' . $select_items[$lines_count]['letter'] . '.&nbsp; ' . $select_items[$lines_count]['answer'] . '</p></div>';
                        } else {
                            $s .= '&nbsp;';
                        }
                        $s .= '</td>';
                        $s .= '</tr>';
                        $lines_count++;
                        //if the left side of the "matching" has been completely
                        // shown but the right side still has values to show...
                        if ($lines_count - 1 == $num_suggestions) {
                            // if it remains answers to shown at the right side
                            while (isset($select_items[$lines_count])) {
                                $s .= '<tr>
                                      <td colspan="2"></td>
                                      <td valign="top">';
                                $s .= '<b>' . $select_items[$lines_count]['letter'] . '.</b> ' . $select_items[$lines_count]['answer'];
                                $s .= "</td>\n                                </tr>";
                                $lines_count++;
                            }
                            // end while()
                        }
                        // end if()
                        $matching_correct_answer++;
                    }
                } elseif ($answerType == DRAGGABLE) {
                    if ($answerCorrect != 0) {
                        $parsed_answer = $answer;
                        /*$lines_count = '';
                          $data = $objAnswerTmp->getAnswerByAutoId($numAnswer);
                          $data = $objAnswerTmp->getAnswerByAutoId($data['correct']);
                          $lines_count = $data['answer'];*/
                        $windowId = $questionId . '_' . $lines_count;
                        $s .= '<li class="touch-items" id="' . $windowId . '">';
                        $s .= Display::div($parsed_answer, ['id' => "window_{$windowId}", 'class' => "window{$questionId}_question_draggable exercise-draggable-answer-option"]);
                        $selectedValue = 0;
                        $draggableSelectOptions = [];
                        foreach ($select_items as $key => $val) {
                            if ($debug_mark_answer) {
                                if ($val['id'] == $answerCorrect) {
                                    $selectedValue = $val['id'];
                                }
                            }
                            if (isset($user_choice[$matching_correct_answer]) && $val['id'] == $user_choice[$matching_correct_answer]['answer']) {
                                $selectedValue = $val['id'];
                            }
                            $draggableSelectOptions[$val['id']] = $val['letter'];
                        }
                        $s .= Display::select("choice[{$questionId}][{$numAnswer}]", $draggableSelectOptions, $selectedValue, ['id' => "window_{$windowId}_select", 'class' => 'select_option', 'style' => 'display: none;'], false);
                        if (!empty($answerCorrect) && !empty($selectedValue)) {
                            $s .= <<<JAVASCRIPT
                                <script>
                                    \$(function() {
                                        DraggableAnswer.deleteItem(
                                            \$('#{$questionId}_{$selectedValue}'),
                                            \$('#drop_{$windowId}')
                                        );
                                    });
                                </script>
JAVASCRIPT;
                        }
                        if (isset($select_items[$lines_count])) {
                            $s .= Display::div(Display::tag('b', $select_items[$lines_count]['letter']) . $select_items[$lines_count]['answer'], ['id' => "window_{$windowId}_answer", 'style' => 'display: none;']);
                        } else {
                            $s .= '&nbsp;';
                        }
                        $lines_count++;
                        if ($lines_count - 1 == $num_suggestions) {
                            while (isset($select_items[$lines_count])) {
                                $s .= Display::tag('b', $select_items[$lines_count]['letter']);
                                $s .= $select_items[$lines_count]['answer'];
                                $lines_count++;
                            }
                        }
                        $matching_correct_answer++;
                        $s .= '</li>';
                    }
                } elseif ($answerType == MATCHING_DRAGGABLE) {
                    if ($answerId == 1) {
                        echo $objAnswerTmp->getJs();
                    }
                    if ($answerCorrect != 0) {
                        $parsed_answer = $answer;
                        $windowId = "{$questionId}_{$lines_count}";
                        $s .= <<<HTML
                            <tr>
                                <td widht="45%">
                                    <div id="window_{$windowId}" class="window window_left_question window{$questionId}_question">
                                        <strong>{$lines_count}.</strong> {$parsed_answer}
                                    </div>
                                </td>
                                <td width="10%">
HTML;
                        $selectedValue = 0;
                        $selectedPosition = 0;
                        $questionOptions = [];
                        $iTempt = 0;
                        foreach ($select_items as $key => $val) {
                            if ($debug_mark_answer) {
                                if ($val['id'] == $answerCorrect) {
                                    $selectedValue = $val['id'];
                                    $selectedPosition = $iTempt;
                                }
                            }
                            if (isset($user_choice[$matching_correct_answer]) && $val['id'] == $user_choice[$matching_correct_answer]['answer']) {
                                $selectedValue = $val['id'];
                                $selectedPosition = $iTempt;
                            }
                            $questionOptions[$val['id']] = $val['letter'];
                            $iTempt++;
                        }
                        $s .= Display::select("choice[{$questionId}][{$numAnswer}]", $questionOptions, $selectedValue, ['id' => "window_{$windowId}_select", 'class' => 'hidden'], false);
                        if (!empty($answerCorrect) && !empty($selectedValue)) {
                            // Show connect if is not freeze (question preview)
                            if (!$freeze) {
                                $s .= <<<JAVASCRIPT
                                <script>
                                    \$(document).on('ready', function () {
                                        jsPlumb.ready(function() {
                                            jsPlumb.connect({
                                                source: 'window_{$windowId}',
                                                target: 'window_{$questionId}_{$selectedPosition}_answer',
                                                endpoint: ['Blank', {radius: 15}],
                                                anchors: ['RightMiddle', 'LeftMiddle'],
                                                paintStyle: {strokeStyle: '#8A8888', lineWidth: 8},
                                                connector: [
                                                    MatchingDraggable.connectorType,
                                                    {curvines: MatchingDraggable.curviness}
                                                ]
                                            });
                                        });
                                    });
                                </script>
JAVASCRIPT;
                            }
                        }
                        $s .= <<<HTML
                            </td>
                            <td width="45%">
HTML;
                        if (isset($select_items[$lines_count])) {
                            $s .= <<<HTML
                                <div id="window_{$windowId}_answer" class="window window_right_question">
                                    <strong>{$select_items[$lines_count]['letter']}.</strong> {$select_items[$lines_count]['answer']}
                                </div>
HTML;
                        } else {
                            $s .= '&nbsp;';
                        }
                        $s .= '</td></tr>';
                        $lines_count++;
                        if ($lines_count - 1 == $num_suggestions) {
                            while (isset($select_items[$lines_count])) {
                                $s .= <<<HTML
                                    <tr>
                                        <td colspan="2"></td>
                                        <td>
                                            <strong>{$select_items[$lines_count]['letter']}</strong>
                                            {$select_items[$lines_count]['answer']}
                                        </td>
                                    </tr>
HTML;
                                $lines_count++;
                            }
                        }
                        $matching_correct_answer++;
                    }
                }
            }
            // end for()
            if ($show_comment) {
                $s .= '</table>';
            } elseif (in_array($answerType, [MATCHING, MATCHING_DRAGGABLE, UNIQUE_ANSWER_NO_OPTION, MULTIPLE_ANSWER_TRUE_FALSE, MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE])) {
                $s .= '</table>';
            }
            if ($answerType == DRAGGABLE) {
                $s .= "</ul>";
                $s .= "</div>";
                //clearfix
                $counterAnswer = 1;
                $s .= '<div class="col-md-12"><div class="row">';
                for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
                    $answerCorrect = $objAnswerTmp->isCorrect($answerId);
                    $windowId = $questionId . '_' . $counterAnswer;
                    if ($answerCorrect) {
                        $s .= Display::div($counterAnswer, ['id' => "drop_{$windowId}", 'class' => 'droppable col-md-2']);
                        $counterAnswer++;
                    }
                }
                $s .= '</div>';
                // row
                $s .= '</div>';
                // col-md-12
                $s .= '</div>';
                // col-md-12 ui-widget ui-helper-clearfix
            }
            if (in_array($answerType, [MATCHING, MATCHING_DRAGGABLE])) {
                $s .= '</div>';
                //drag_question
            }
            $s .= '</div>';
            //question_options row
            // destruction of the Answer object
            unset($objAnswerTmp);
            // destruction of the Question object
            unset($objQuestionTmp);
            if ($origin != 'export') {
                echo $s;
            } else {
                return $s;
            }
        } elseif ($answerType == HOT_SPOT || $answerType == HOT_SPOT_DELINEATION) {
            global $exerciseId, $exe_id;
            // Question is a HOT_SPOT
            //checking document/images visibility
            if (api_is_platform_admin() || api_is_course_admin()) {
                $course = api_get_course_info();
                $doc_id = DocumentManager::get_document_id($course, '/images/' . $pictureName);
                if (is_numeric($doc_id)) {
                    $images_folder_visibility = api_get_item_visibility($course, 'document', $doc_id, api_get_session_id());
                    if (!$images_folder_visibility) {
                        //This message is shown only to the course/platform admin if the image is set to visibility = false
                        Display::display_warning_message(get_lang('ChangeTheVisibilityOfTheCurrentImage'));
                    }
                }
            }
            $questionName = $objQuestionTmp->selectTitle();
            $questionDescription = $objQuestionTmp->selectDescription();
            if ($freeze) {
                echo "\n                    <script>\n                        \$(document).on('ready', function () {\n                            new " . ($answerType == HOT_SPOT ? "HotspotQuestion" : "DelineationQuestion") . "({\n                                questionId: {$questionId},\n                                exerciseId: {$exerciseId},\n                                selector: '#hotspot-preview-{$questionId}',\n                                for: 'preview'\n                            });\n                        });\n                    </script>\n                    <div id=\"hotspot-preview-{$questionId}\"></div>\n                ";
                return;
            }
            // Get the answers, make a list
            $objAnswerTmp = new Answer($questionId);
            $nbrAnswers = $objAnswerTmp->selectNbrAnswers();
            // get answers of hotpost
            $answers_hotspot = array();
            for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
                $answers = $objAnswerTmp->selectAnswerByAutoId($objAnswerTmp->selectAutoId($answerId));
                $answers_hotspot[$answers['id']] = $objAnswerTmp->selectAnswer($answerId);
            }
            $answerList = '';
            if ($answerType != HOT_SPOT_DELINEATION) {
                $answerList = '
                    <div class="well well-sm">
                        <h5 class="page-header">' . get_lang('HotspotZones') . '</h5>
                        <ol>
                ';
                if (!empty($answers_hotspot)) {
                    ksort($answers_hotspot);
                    $countAnswers = 1;
                    foreach ($answers_hotspot as $value) {
                        $answerList .= "<li><p>{$countAnswers} - {$value}</p></li>";
                        $countAnswers++;
                    }
                }
                $answerList .= '
                        </ol>
                    </div>
                ';
            }
            if (!$only_questions) {
                if ($show_title) {
                    TestCategory::displayCategoryAndTitle($objQuestionTmp->id);
                    echo '<div class="question_title">' . $current_item . '. ' . $questionName . '</div>';
                }
                //@todo I need to the get the feedback type
                echo <<<HOTSPOT
                    <input type="hidden" name="hidden_hotspot_id" value="{$questionId}" />
                    <div class="exercise_questions">
                        {$questionDescription}
                        <div class="row">
HOTSPOT;
            }
            $canClick = isset($_GET['editQuestion']) ? '0' : (isset($_GET['modifyAnswers']) ? '0' : '1');
            $s .= "\n                            <div class=\"col-sm-8 col-md-9\">\n                                <div class=\"hotspot-image\"></div>\n                                <script>\n                                    \$(document).on('ready', function () {\n                                        new " . ($answerType == HOT_SPOT_DELINEATION ? 'DelineationQuestion' : 'HotspotQuestion') . "({\n                                            questionId: {$questionId},\n                                            exerciseId: {$exe_id},\n                                            selector: '#question_div_' + {$questionId} + ' .hotspot-image',\n                                            for: 'user'\n                                        });\n                                    });\n                                </script>\n                            </div>\n                            <div class=\"col-sm-4 col-md-3\">\n                                {$answerList}\n                            </div>\n            ";
            echo <<<HOTSPOT
                            {$s}
                        </div>
                    </div>
HOTSPOT;
        }
        return $nbrAnswers;
    }
if (!empty($_GET['add'])) {
    echo '&add=true';
}
?>
" style="margin:0px;" <?php 
if ($ajax_search) {
    echo ' onsubmit="valide();"';
}
?>
>

<?php 
echo '<legend>' . $data['name'] . ': ' . $tool_name . '</legend>';
echo Display::input('hidden', 'id', $id);
echo Display::input('hidden', 'form_sent', '1');
echo Display::input('hidden', 'add_type', null);
if (!empty($errorMsg)) {
    Display::display_normal_message($errorMsg);
    //main API
}
?>

<table border="0" cellpadding="5" cellspacing="0" width="100%">
<tr>
  <td align="center"><b><?php 
echo get_lang('CoursesInPlatform');
?>
 :</b>
  </td>
  <td></td>
  <td align="center"><b><?php 
$session_list = SessionManager::get_sessions_list(array(), array('name'));
$sessionList = array();
foreach ($session_list as $session) {
    $sessionList[$session['id']] = $session['name'];
}
Display::display_header($tool_name);
?>

<form name="formulaire" method="post" action="<?php 
echo api_get_self();
?>
" style="margin:0px;" >
<?php 
echo '<legend>' . $tool_name . ' </legend>';
echo $htmlResult;
echo Display::input('hidden', 'form_sent', '1');
?>
    <table border="0" cellpadding="5" cellspacing="0" width="100%">
        <tr>
            <td align="center">
                <b><?php 
echo get_lang('Sessions');
?>
 :</b>
            </td>
            <td></td>
            <td align="center">
                <b><?php 
echo get_lang('Sessions');
?>
 :</b>
Example #6
0
    /**
     * Shows a question
     *
     * @param int    $questionId question id
     * @param bool   $only_questions if true only show the questions, no exercise title
     * @param bool   $origin  i.e = learnpath
     * @param string $current_item current item from the list of questions
     * @param bool   $show_title
     * @param bool   $freeze
     * @param array  $user_choice
     * @param bool   $show_comment
     * @param bool   $exercise_feedback
     * @param bool   $show_answers
     * */
    public static function showQuestion($questionId, $only_questions = false, $origin = false, $current_item = '', $show_title = true, $freeze = false, $user_choice = array(), $show_comment = false, $exercise_feedback = null, $show_answers = false)
    {
        $course_id = api_get_course_int_id();
        // Change false to true in the following line to enable answer hinting
        $debug_mark_answer = $show_answers;
        // Reads question information
        if (!($objQuestionTmp = Question::read($questionId))) {
            // Question not found
            return false;
        }
        if ($exercise_feedback != EXERCISE_FEEDBACK_TYPE_END) {
            $show_comment = false;
        }
        $answerType = $objQuestionTmp->selectType();
        $pictureName = $objQuestionTmp->selectPicture();
        $s = '';
        if ($answerType != HOT_SPOT && $answerType != HOT_SPOT_DELINEATION) {
            // Question is not a hotspot
            if (!$only_questions) {
                $questionDescription = $objQuestionTmp->selectDescription();
                if ($show_title) {
                    TestCategory::displayCategoryAndTitle($objQuestionTmp->id);
                    echo Display::div($current_item . '. ' . $objQuestionTmp->selectTitle(), array('class' => 'question_title'));
                }
                if (!empty($questionDescription)) {
                    echo Display::div($questionDescription, array('class' => 'question_description'));
                }
            }
            if (in_array($answerType, array(FREE_ANSWER, ORAL_EXPRESSION)) && $freeze) {
                return '';
            }
            echo '<div class="question_options row">';
            // construction of the Answer object (also gets all answers details)
            $objAnswerTmp = new Answer($questionId);
            $nbrAnswers = $objAnswerTmp->selectNbrAnswers();
            $quiz_question_options = Question::readQuestionOption($questionId, $course_id);
            // For "matching" type here, we need something a little bit special
            // because the match between the suggestions and the answers cannot be
            // done easily (suggestions and answers are in the same table), so we
            // have to go through answers first (elems with "correct" value to 0).
            $select_items = array();
            //This will contain the number of answers on the left side. We call them
            // suggestions here, for the sake of comprehensions, while the ones
            // on the right side are called answers
            $num_suggestions = 0;
            if (in_array($answerType, [MATCHING, DRAGGABLE, MATCHING_DRAGGABLE])) {
                if ($answerType == DRAGGABLE) {
                    $s .= '<div class="col-md-12 ui-widget ui-helper-clearfix">
                        <div class="clearfix">
                        <ul class="exercise-draggable-answer ui-helper-reset ui-helper-clearfix">';
                } else {
                    $s .= <<<HTML
                        <div id="drag{$questionId}_question" class="drag_question">
                            <table class="data_table">
HTML;
                }
                // Iterate through answers
                $x = 1;
                //mark letters for each answer
                $letter = 'A';
                $answer_matching = array();
                $cpt1 = array();
                for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
                    $answerCorrect = $objAnswerTmp->isCorrect($answerId);
                    $numAnswer = $objAnswerTmp->selectAutoId($answerId);
                    if ($answerCorrect == 0) {
                        // options (A, B, C, ...) that will be put into the list-box
                        // have the "correct" field set to 0 because they are answer
                        $cpt1[$x] = $letter;
                        $answer_matching[$x] = $objAnswerTmp->selectAnswerByAutoId($numAnswer);
                        $x++;
                        $letter++;
                    }
                }
                $i = 1;
                $select_items[0]['id'] = 0;
                $select_items[0]['letter'] = '--';
                $select_items[0]['answer'] = '';
                foreach ($answer_matching as $id => $value) {
                    $select_items[$i]['id'] = $value['id'];
                    $select_items[$i]['letter'] = $cpt1[$id];
                    $select_items[$i]['answer'] = $value['answer'];
                    $i++;
                }
                $user_choice_array_position = array();
                if (!empty($user_choice)) {
                    foreach ($user_choice as $item) {
                        $user_choice_array_position[$item['position']] = $item['answer'];
                    }
                }
                $num_suggestions = $nbrAnswers - $x + 1;
            } elseif ($answerType == FREE_ANSWER) {
                $fck_content = isset($user_choice[0]) && !empty($user_choice[0]['answer']) ? $user_choice[0]['answer'] : null;
                $form = new FormValidator('free_choice_' . $questionId);
                $config = array('ToolbarSet' => 'TestFreeAnswer');
                $form->addHtmlEditor("choice[" . $questionId . "]", null, false, false, $config);
                $form->setDefaults(array("choice[" . $questionId . "]" => $fck_content));
                $s .= $form->returnForm();
            } elseif ($answerType == ORAL_EXPRESSION) {
                // Add nanog
                if (api_get_setting('enable_nanogong') == 'true') {
                    //@todo pass this as a parameter
                    global $exercise_stat_info, $exerciseId, $exe_id;
                    if (!empty($exercise_stat_info)) {
                        $params = array('exercise_id' => $exercise_stat_info['exe_exo_id'], 'exe_id' => $exercise_stat_info['exe_id'], 'question_id' => $questionId);
                    } else {
                        $params = array('exercise_id' => $exerciseId, 'exe_id' => 'temp_exe', 'question_id' => $questionId);
                    }
                    $nano = new Nanogong($params);
                    echo $nano->show_button();
                }
                $form = new FormValidator('free_choice_' . $questionId);
                $config = array('ToolbarSet' => 'TestFreeAnswer');
                $form->addHtmlEditor("choice[" . $questionId . "]", null, false, false, $config);
                //$form->setDefaults(array("choice[" . $questionId . "]" => $fck_content));
                $s .= $form->return_form();
            }
            // Now navigate through the possible answers, using the max number of
            // answers for the question as a limiter
            $lines_count = 1;
            // a counter for matching-type answers
            if ($answerType == MULTIPLE_ANSWER_TRUE_FALSE || $answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
                $header = Display::tag('th', get_lang('Options'));
                foreach ($objQuestionTmp->options as $item) {
                    if ($answerType == MULTIPLE_ANSWER_TRUE_FALSE) {
                        if (in_array($item, $objQuestionTmp->options)) {
                            $header .= Display::tag('th', get_lang($item));
                        } else {
                            $header .= Display::tag('th', $item);
                        }
                    } else {
                        $header .= Display::tag('th', $item);
                    }
                }
                if ($show_comment) {
                    $header .= Display::tag('th', get_lang('Feedback'));
                }
                $s .= '<table class="table table-hover table-striped">';
                $s .= Display::tag('tr', $header, array('style' => 'text-align:left;'));
            }
            if ($show_comment) {
                if (in_array($answerType, array(MULTIPLE_ANSWER, MULTIPLE_ANSWER_COMBINATION, UNIQUE_ANSWER, UNIQUE_ANSWER_IMAGE, UNIQUE_ANSWER_NO_OPTION, GLOBAL_MULTIPLE_ANSWER))) {
                    $header = Display::tag('th', get_lang('Options'));
                    if ($exercise_feedback == EXERCISE_FEEDBACK_TYPE_END) {
                        $header .= Display::tag('th', get_lang('Feedback'));
                    }
                    $s .= '<table class="table table-hover table-striped">';
                    $s .= Display::tag('tr', $header, array('style' => 'text-align:left;'));
                }
            }
            $matching_correct_answer = 0;
            $user_choice_array = array();
            if (!empty($user_choice)) {
                foreach ($user_choice as $item) {
                    $user_choice_array[] = $item['answer'];
                }
            }
            for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
                $answer = $objAnswerTmp->selectAnswer($answerId);
                $answerCorrect = $objAnswerTmp->isCorrect($answerId);
                $numAnswer = $objAnswerTmp->selectAutoId($answerId);
                $comment = $objAnswerTmp->selectComment($answerId);
                $attributes = array();
                // Unique answer
                if (in_array($answerType, [UNIQUE_ANSWER, UNIQUE_ANSWER_NO_OPTION, UNIQUE_ANSWER_IMAGE])) {
                    $input_id = 'choice-' . $questionId . '-' . $answerId;
                    if (isset($user_choice[0]['answer']) && $user_choice[0]['answer'] == $numAnswer) {
                        $attributes = array('id' => $input_id, 'checked' => 1, 'selected' => 1);
                    } else {
                        $attributes = array('id' => $input_id);
                    }
                    if ($debug_mark_answer) {
                        if ($answerCorrect) {
                            $attributes['checked'] = 1;
                            $attributes['selected'] = 1;
                        }
                    }
                    if ($show_comment) {
                        $s .= '<tr><td>';
                    }
                    if ($answerType == UNIQUE_ANSWER_IMAGE) {
                        if ($show_comment) {
                            if (empty($comment)) {
                                $s .= '<div id="answer' . $questionId . $numAnswer . '" ' . 'class="exercise-unique-answer-image" style="text-align: center">';
                            } else {
                                $s .= '<div id="answer' . $questionId . $numAnswer . '" ' . 'class="exercise-unique-answer-image col-xs-6 col-sm-12" style="text-align: center">';
                            }
                        } else {
                            $s .= '<div id="answer' . $questionId . $numAnswer . '" ' . 'class="exercise-unique-answer-image col-xs-6 col-md-3" style="text-align: center">';
                        }
                    }
                    $answer = Security::remove_XSS($answer, STUDENT);
                    $s .= Display::input('hidden', 'choice2[' . $questionId . ']', '0');
                    $answer_input = null;
                    if ($answerType == UNIQUE_ANSWER_IMAGE) {
                        $attributes['style'] = 'display: none;';
                        $answer = '<div class="thumbnail">' . $answer . '</div>';
                    }
                    $answer_input .= '<label class="radio">';
                    $answer_input .= Display::input('radio', 'choice[' . $questionId . ']', $numAnswer, $attributes);
                    $answer_input .= $answer;
                    $answer_input .= '</label>';
                    if ($answerType == UNIQUE_ANSWER_IMAGE) {
                        $answer_input .= "</div>";
                    }
                    if ($show_comment) {
                        $s .= $answer_input;
                        $s .= '</td>';
                        $s .= '<td>';
                        $s .= $comment;
                        $s .= '</td>';
                        $s .= '</tr>';
                    } else {
                        $s .= $answer_input;
                    }
                } elseif ($answerType == MULTIPLE_ANSWER || $answerType == MULTIPLE_ANSWER_TRUE_FALSE || $answerType == GLOBAL_MULTIPLE_ANSWER) {
                    $input_id = 'choice-' . $questionId . '-' . $answerId;
                    $answer = Security::remove_XSS($answer, STUDENT);
                    if (in_array($numAnswer, $user_choice_array)) {
                        $attributes = array('id' => $input_id, 'checked' => 1, 'selected' => 1);
                    } else {
                        $attributes = array('id' => $input_id);
                    }
                    if ($debug_mark_answer) {
                        if ($answerCorrect) {
                            $attributes['checked'] = 1;
                            $attributes['selected'] = 1;
                        }
                    }
                    if ($answerType == MULTIPLE_ANSWER || $answerType == GLOBAL_MULTIPLE_ANSWER) {
                        $s .= '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
                        $answer_input = '<label class="checkbox">';
                        $answer_input .= Display::input('checkbox', 'choice[' . $questionId . '][' . $numAnswer . ']', $numAnswer, $attributes);
                        $answer_input .= $answer;
                        $answer_input .= '</label>';
                        if ($show_comment) {
                            $s .= '<tr><td>';
                            $s .= $answer_input;
                            $s .= '</td>';
                            $s .= '<td>';
                            $s .= $comment;
                            $s .= '</td>';
                            $s .= '</tr>';
                        } else {
                            $s .= $answer_input;
                        }
                    } elseif ($answerType == MULTIPLE_ANSWER_TRUE_FALSE) {
                        $my_choice = array();
                        if (!empty($user_choice_array)) {
                            foreach ($user_choice_array as $item) {
                                $item = explode(':', $item);
                                $my_choice[$item[0]] = $item[1];
                            }
                        }
                        $s .= '<tr>';
                        $s .= Display::tag('td', $answer);
                        if (!empty($quiz_question_options)) {
                            foreach ($quiz_question_options as $id => $item) {
                                if (isset($my_choice[$numAnswer]) && $id == $my_choice[$numAnswer]) {
                                    $attributes = array('checked' => 1, 'selected' => 1);
                                } else {
                                    $attributes = array();
                                }
                                if ($debug_mark_answer) {
                                    if ($id == $answerCorrect) {
                                        $attributes['checked'] = 1;
                                        $attributes['selected'] = 1;
                                    }
                                }
                                $s .= Display::tag('td', Display::input('radio', 'choice[' . $questionId . '][' . $numAnswer . ']', $id, $attributes), array('style' => ''));
                            }
                        }
                        if ($show_comment) {
                            $s .= '<td>';
                            $s .= $comment;
                            $s .= '</td>';
                        }
                        $s .= '</tr>';
                    }
                } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION) {
                    // multiple answers
                    $input_id = 'choice-' . $questionId . '-' . $answerId;
                    if (in_array($numAnswer, $user_choice_array)) {
                        $attributes = array('id' => $input_id, 'checked' => 1, 'selected' => 1);
                    } else {
                        $attributes = array('id' => $input_id);
                    }
                    if ($debug_mark_answer) {
                        if ($answerCorrect) {
                            $attributes['checked'] = 1;
                            $attributes['selected'] = 1;
                        }
                    }
                    $answer = Security::remove_XSS($answer, STUDENT);
                    $answer_input = '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
                    $answer_input .= '<label class="checkbox">';
                    $answer_input .= Display::input('checkbox', 'choice[' . $questionId . '][' . $numAnswer . ']', 1, $attributes);
                    $answer_input .= $answer;
                    $answer_input .= '</label>';
                    if ($show_comment) {
                        $s .= '<tr>';
                        $s .= '<td>';
                        $s .= $answer_input;
                        $s .= '</td>';
                        $s .= '<td>';
                        $s .= $comment;
                        $s .= '</td>';
                        $s .= '</tr>';
                    } else {
                        $s .= $answer_input;
                    }
                } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
                    $s .= '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
                    $my_choice = array();
                    if (!empty($user_choice_array)) {
                        foreach ($user_choice_array as $item) {
                            $item = explode(':', $item);
                            if (isset($item[1]) && isset($item[0])) {
                                $my_choice[$item[0]] = $item[1];
                            }
                        }
                    }
                    $answer = Security::remove_XSS($answer, STUDENT);
                    $s .= '<tr>';
                    $s .= Display::tag('td', $answer);
                    foreach ($objQuestionTmp->options as $key => $item) {
                        if (isset($my_choice[$numAnswer]) && $key == $my_choice[$numAnswer]) {
                            $attributes = array('checked' => 1, 'selected' => 1);
                        } else {
                            $attributes = array();
                        }
                        if ($debug_mark_answer) {
                            if ($key == $answerCorrect) {
                                $attributes['checked'] = 1;
                                $attributes['selected'] = 1;
                            }
                        }
                        $s .= Display::tag('td', Display::input('radio', 'choice[' . $questionId . '][' . $numAnswer . ']', $key, $attributes));
                    }
                    if ($show_comment) {
                        $s .= '<td>';
                        $s .= $comment;
                        $s .= '</td>';
                    }
                    $s .= '</tr>';
                } elseif ($answerType == FILL_IN_BLANKS) {
                    // display the question, with field empty, for student to fill it,
                    // or filled to display the answer in the Question preview of the exercice/admin.php page
                    $displayForStudent = true;
                    $listAnswerInformations = FillBlanks::getAnswerInfo($answer);
                    $separatorStartRegexp = FillBlanks::escapeForRegexp($listAnswerInformations['blankseparatorstart']);
                    $separatorEndRegexp = FillBlanks::escapeForRegexp($listAnswerInformations['blankseparatorend']);
                    list($answer) = explode('::', $answer);
                    //Correct answers
                    $correctAnswerList = $listAnswerInformations['tabwords'];
                    //Student's answer
                    $studentAnswerList = array();
                    if (isset($user_choice[0]['answer'])) {
                        $arrayStudentAnswer = FillBlanks::getAnswerInfo($user_choice[0]['answer'], true);
                        $studentAnswerList = $arrayStudentAnswer['studentanswer'];
                    }
                    // If the question must be shown with the answer (in page exercice/admin.php) for teacher preview
                    // set the student-answer to the correct answer
                    if ($debug_mark_answer) {
                        $studentAnswerList = $correctAnswerList;
                        $displayForStudent = false;
                    }
                    if (!empty($correctAnswerList) && !empty($studentAnswerList)) {
                        $answer = "";
                        for ($i = 0; $i < count($listAnswerInformations["commonwords"]) - 1; $i++) {
                            // display the common word
                            $answer .= $listAnswerInformations["commonwords"][$i];
                            // display the blank word
                            $correctItem = $listAnswerInformations["tabwords"][$i];
                            $correctItemRegexp = $correctItem;
                            // replace / with \/ to allow the preg_replace bellow and all the regexp char
                            $correctItemRegexp = FillBlanks::getRegexpProtected($correctItemRegexp);
                            if (isset($studentAnswerList[$i])) {
                                // If student already started this test and answered this question,
                                // fill the blank with his previous answers
                                // may be "" if student viewed the question, but did not fill the blanks
                                $correctItem = $studentAnswerList[$i];
                            }
                            $attributes["style"] = "width:" . $listAnswerInformations["tabinputsize"][$i] . "px";
                            $answer .= FillBlanks::getFillTheBlankHtml($separatorStartRegexp, $separatorEndRegexp, $correctItemRegexp, $questionId, $correctItem, $attributes, $answer, $listAnswerInformations, $displayForStudent, $i);
                        }
                        // display the last common word
                        $answer .= $listAnswerInformations["commonwords"][$i];
                    } else {
                        // display empty [input] with the right width for student to fill it
                        $separatorStartRegexp = FillBlanks::escapeForRegexp($listAnswerInformations['blankseparatorstart']);
                        $separatorEndRegexp = FillBlanks::escapeForRegexp($listAnswerInformations['blankseparatorend']);
                        $answer = "";
                        for ($i = 0; $i < count($listAnswerInformations["commonwords"]) - 1; $i++) {
                            // display the common words
                            $answer .= $listAnswerInformations["commonwords"][$i];
                            // display the blank word
                            $attributes["style"] = "width:" . $listAnswerInformations["tabinputsize"][$i] . "px";
                            $correctItem = $listAnswerInformations["tabwords"][$i];
                            $correctItemRegexp = $correctItem;
                            // replace / with \/ to allow the preg_replace bellow and all the regexp char
                            $correctItemRegexp = FillBlanks::getRegexpProtected($correctItemRegexp);
                            $answer .= FillBlanks::getFillTheBlankHtml($separatorStartRegexp, $separatorEndRegexp, $correctItemRegexp, $questionId, '', $attributes, $answer, $listAnswerInformations, $displayForStudent, $i);
                        }
                        // display the last common word
                        $answer .= $listAnswerInformations["commonwords"][$i];
                    }
                    $s .= $answer;
                } elseif ($answerType == CALCULATED_ANSWER) {
                    /*
                     * In the CALCULATED_ANSWER test
                     * you mustn't have [ and ] in the textarea
                     * you mustn't have @@ in the textarea
                     * the text to find mustn't be empty or contains only spaces
                     * the text to find mustn't contains HTML tags
                     * the text to find mustn't contains char "
                     */
                    if ($origin !== null) {
                        global $exe_id;
                        $trackAttempts = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
                        $sqlTrackAttempt = 'SELECT answer FROM ' . $trackAttempts . '
                                            WHERE exe_id=' . $exe_id . ' AND question_id=' . $questionId;
                        $rsLastAttempt = Database::query($sqlTrackAttempt);
                        $rowLastAttempt = Database::fetch_array($rsLastAttempt);
                        $answer = $rowLastAttempt['answer'];
                        if (empty($answer)) {
                            $_SESSION['calculatedAnswerId'][$questionId] = mt_rand(1, $nbrAnswers);
                            $answer = $objAnswerTmp->selectAnswer($_SESSION['calculatedAnswerId'][$questionId]);
                        }
                    }
                    list($answer) = explode('@@', $answer);
                    // $correctAnswerList array of array with correct anwsers 0=> [0=>[\p] 1=>[plop]]
                    api_preg_match_all('/\\[[^]]+\\]/', $answer, $correctAnswerList);
                    // get student answer to display it if student go back to previous calculated answer question in a test
                    if (isset($user_choice[0]['answer'])) {
                        api_preg_match_all('/\\[[^]]+\\]/', $answer, $studentAnswerList);
                        $studentAnswerListTobecleaned = $studentAnswerList[0];
                        $studentAnswerList = array();
                        for ($i = 0; $i < count($studentAnswerListTobecleaned); $i++) {
                            $answerCorrected = $studentAnswerListTobecleaned[$i];
                            $answerCorrected = api_preg_replace('| / <font color="green"><b>.*$|', '', $answerCorrected);
                            $answerCorrected = api_preg_replace('/^\\[/', '', $answerCorrected);
                            $answerCorrected = api_preg_replace('|^<font color="red"><s>|', '', $answerCorrected);
                            $answerCorrected = api_preg_replace('|</s></font>$|', '', $answerCorrected);
                            $answerCorrected = '[' . $answerCorrected . ']';
                            $studentAnswerList[] = $answerCorrected;
                        }
                    }
                    // If display preview of answer in test view for exemple, set the student answer to the correct answers
                    if ($debug_mark_answer) {
                        // contain the rights answers surronded with brackets
                        $studentAnswerList = $correctAnswerList[0];
                    }
                    /*
                    Split the response by bracket
                    tabComments is an array with text surrounding the text to find
                    we add a space before and after the answerQuestion to be sure to
                    have a block of text before and after [xxx] patterns
                    so we have n text to find ([xxx]) and n+1 block of texts before,
                    between and after the text to find
                    */
                    $tabComments = api_preg_split('/\\[[^]]+\\]/', ' ' . $answer . ' ');
                    if (!empty($correctAnswerList) && !empty($studentAnswerList)) {
                        $answer = "";
                        $i = 0;
                        foreach ($studentAnswerList as $studentItem) {
                            // remove surronding brackets
                            $studentResponse = api_substr($studentItem, 1, api_strlen($studentItem) - 2);
                            $size = strlen($studentItem);
                            $attributes['class'] = self::detectInputAppropriateClass($size);
                            $answer .= $tabComments[$i] . Display::input('text', "choice[{$questionId}][]", $studentResponse, $attributes);
                            $i++;
                        }
                        $answer .= $tabComments[$i];
                    } else {
                        // display exercise with empty input fields
                        // every [xxx] are replaced with an empty input field
                        foreach ($correctAnswerList[0] as $item) {
                            $size = strlen($item);
                            $attributes['class'] = self::detectInputAppropriateClass($size);
                            $answer = str_replace($item, Display::input('text', "choice[{$questionId}][]", '', $attributes), $answer);
                        }
                    }
                    if ($origin !== null) {
                        $s = $answer;
                        break;
                    } else {
                        $s .= $answer;
                    }
                } elseif ($answerType == MATCHING) {
                    // matching type, showing suggestions and answers
                    // TODO: replace $answerId by $numAnswer
                    if ($answerCorrect != 0) {
                        // only show elements to be answered (not the contents of
                        // the select boxes, who are corrrect = 0)
                        $s .= '<tr><td width="45%" valign="top">';
                        $parsed_answer = $answer;
                        //left part questions
                        $s .= '<p class="indent">' . $lines_count . '.&nbsp;' . $parsed_answer . '</p></td>';
                        //middle part (matches selects)
                        $s .= '<td width="10%" valign="top" align="center" >
                                <div class="select-matching">
                                <select name="choice[' . $questionId . '][' . $numAnswer . ']">';
                        // fills the list-box
                        foreach ($select_items as $key => $val) {
                            // set $debug_mark_answer to true at function start to
                            // show the correct answer with a suffix '-x'
                            $selected = '';
                            if ($debug_mark_answer) {
                                if ($val['id'] == $answerCorrect) {
                                    $selected = 'selected="selected"';
                                }
                            }
                            //$user_choice_array_position
                            if (isset($user_choice_array_position[$numAnswer]) && $val['id'] == $user_choice_array_position[$numAnswer]) {
                                $selected = 'selected="selected"';
                            }
                            $s .= '<option value="' . $val['id'] . '" ' . $selected . '>' . $val['letter'] . '</option>';
                        }
                        // end foreach()
                        $s .= '</select></div></td><td width="5%" class="separate">&nbsp;</td>';
                        $s .= '<td width="40%" valign="top" >';
                        if (isset($select_items[$lines_count])) {
                            $s .= '<div class="text-right"><p class="indent">' . $select_items[$lines_count]['letter'] . '.&nbsp; ' . $select_items[$lines_count]['answer'] . '</p></div>';
                        } else {
                            $s .= '&nbsp;';
                        }
                        $s .= '</td>';
                        $s .= '</tr>';
                        $lines_count++;
                        //if the left side of the "matching" has been completely
                        // shown but the right side still has values to show...
                        if ($lines_count - 1 == $num_suggestions) {
                            // if it remains answers to shown at the right side
                            while (isset($select_items[$lines_count])) {
                                $s .= '<tr>
                                      <td colspan="2"></td>
                                      <td valign="top">';
                                $s .= '<b>' . $select_items[$lines_count]['letter'] . '.</b> ' . $select_items[$lines_count]['answer'];
                                $s .= "</td>\n                                </tr>";
                                $lines_count++;
                            }
                            // end while()
                        }
                        // end if()
                        $matching_correct_answer++;
                    }
                } elseif ($answerType == DRAGGABLE) {
                    if ($answerCorrect != 0) {
                        $parsed_answer = $answer;
                        /*$lines_count = '';
                          $data = $objAnswerTmp->getAnswerByAutoId($numAnswer);
                          $data = $objAnswerTmp->getAnswerByAutoId($data['correct']);
                          $lines_count = $data['answer'];*/
                        $windowId = $questionId . '_' . $lines_count;
                        $s .= '<li class="touch-items" id="' . $windowId . '">';
                        $s .= Display::div($parsed_answer, ['id' => "window_{$windowId}", 'class' => "window{$questionId}_question_draggable exercise-draggable-answer-option"]);
                        $selectedValue = 0;
                        $draggableSelectOptions = [];
                        foreach ($select_items as $key => $val) {
                            if ($debug_mark_answer) {
                                if ($val['id'] == $answerCorrect) {
                                    $selectedValue = $val['id'];
                                }
                            }
                            if (isset($user_choice[$matching_correct_answer]) && $val['id'] == $user_choice[$matching_correct_answer]['answer']) {
                                $selectedValue = $val['id'];
                            }
                            $draggableSelectOptions[$val['id']] = $val['letter'];
                        }
                        $s .= Display::select("choice[{$questionId}][{$numAnswer}]", $draggableSelectOptions, $selectedValue, ['id' => "window_{$windowId}_select", 'class' => 'select_option', 'style' => 'display: none;'], false);
                        if (!empty($answerCorrect) && !empty($selectedValue)) {
                            $s .= <<<JAVASCRIPT
                                <script>
                                    \$(function() {
                                        DraggableAnswer.deleteItem(
                                            \$('#{$questionId}_{$selectedValue}'),
                                            \$('#drop_{$windowId}')
                                        );
                                    });
                                </script>
JAVASCRIPT;
                        }
                        if (isset($select_items[$lines_count])) {
                            $s .= Display::div(Display::tag('b', $select_items[$lines_count]['letter']) . $select_items[$lines_count]['answer'], ['id' => "window_{$windowId}_answer", 'style' => 'display: none;']);
                        } else {
                            $s .= '&nbsp;';
                        }
                        $lines_count++;
                        if ($lines_count - 1 == $num_suggestions) {
                            while (isset($select_items[$lines_count])) {
                                $s .= Display::tag('b', $select_items[$lines_count]['letter']);
                                $s .= $select_items[$lines_count]['answer'];
                                $lines_count++;
                            }
                        }
                        $matching_correct_answer++;
                        $s .= '</li>';
                    }
                } elseif ($answerType == MATCHING_DRAGGABLE) {
                    if ($answerId == 1) {
                        echo $objAnswerTmp->getJs();
                    }
                    if ($answerCorrect != 0) {
                        $parsed_answer = $answer;
                        $windowId = "{$questionId}_{$lines_count}";
                        $s .= <<<HTML
                            <tr>
                                <td widht="45%">
                                    <div id="window_{$windowId}" class="window window_left_question window{$questionId}_question">
                                        <strong>{$lines_count}.</strong> {$parsed_answer}
                                    </div>
                                </td>
                                <td width="10%">
HTML;
                        $selectedValue = 0;
                        $questionOptions = [];
                        foreach ($select_items as $key => $val) {
                            if ($debug_mark_answer) {
                                if ($val['id'] == $answerCorrect) {
                                    $selectedValue = $val['id'];
                                }
                            }
                            if (isset($user_choice[$matching_correct_answer]) && $val['id'] == $user_choice[$matching_correct_answer]['answer']) {
                                $selectedValue = $val['id'];
                            }
                            $questionOptions[$val['id']] = $val['letter'];
                        }
                        $s .= Display::select("choice[{$questionId}][{$numAnswer}]", $questionOptions, $selectedValue, ['id' => "window_{$windowId}_select", 'class' => 'hidden'], false);
                        if (!empty($answerCorrect) && !empty($selectedValue)) {
                            // Show connect if is not freeze (question preview)
                            if (!$freeze) {
                                $s .= <<<JAVASCRIPT
                                <script>
                                    jsPlumb.ready(function() {
                                        jsPlumb.connect({
                                            source: 'window_{$windowId}',
                                            target: 'window_{$questionId}_{$selectedValue}_answer',
                                            endpoint: ['Blank', {radius: 15}],
                                            anchors: ['RightMiddle', 'LeftMiddle'],
                                            paintStyle: {strokeStyle: '#8A8888', lineWidth: 8},
                                            connector: [
                                                MatchingDraggable.connectorType,
                                                {curvines: MatchingDraggable.curviness}
                                            ]
                                        });
                                    });
                                </script>
JAVASCRIPT;
                            }
                        }
                        $s .= <<<HTML
                            </td>
                            <td width="45%">
HTML;
                        if (isset($select_items[$lines_count])) {
                            $s .= <<<HTML
                                <div id="window_{$windowId}_answer" class="window window_right_question">
                                    <strong>{$select_items[$lines_count]['letter']}.</strong> {$select_items[$lines_count]['answer']}
                                </div>
HTML;
                        } else {
                            $s .= '&nbsp;';
                        }
                        $s .= '</td></tr>';
                        $lines_count++;
                        if ($lines_count - 1 == $num_suggestions) {
                            while (isset($select_items[$lines_count])) {
                                $s .= <<<HTML
                                    <tr>
                                        <td colspan="2"></td>
                                        <td>
                                            <strong>{$select_items[$lines_count]['letter']}</strong>
                                            {$select_items[$lines_count]['answer']}
                                        </td>
                                    </tr>
HTML;
                                $lines_count++;
                            }
                        }
                        $matching_correct_answer++;
                    }
                }
            }
            // end for()
            if ($show_comment) {
                $s .= '</table>';
            } elseif (in_array($answerType, [MATCHING, MATCHING_DRAGGABLE, UNIQUE_ANSWER_NO_OPTION, MULTIPLE_ANSWER_TRUE_FALSE, MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE])) {
                $s .= '</table>';
            }
            if ($answerType == DRAGGABLE) {
                $s .= "</ul></div>";
                $counterAnswer = 1;
                $s .= '<div class="col-md-12"><div class="row">';
                for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
                    $answerCorrect = $objAnswerTmp->isCorrect($answerId);
                    $windowId = $questionId . '_' . $counterAnswer;
                    if ($answerCorrect) {
                        $s .= Display::div($counterAnswer, ['id' => "drop_{$windowId}", 'class' => 'droppable col-md-2']);
                        $counterAnswer++;
                    }
                }
                $s .= '</div></div>';
            }
            if (in_array($answerType, [MATCHING, MATCHING_DRAGGABLE])) {
                $s .= '</div>';
            }
            $s .= '</div>';
            // destruction of the Answer object
            unset($objAnswerTmp);
            // destruction of the Question object
            unset($objQuestionTmp);
            if ($origin != 'export') {
                echo $s;
            } else {
                return $s;
            }
        } elseif ($answerType == HOT_SPOT || $answerType == HOT_SPOT_DELINEATION) {
            // Question is a HOT_SPOT
            //checking document/images visibility
            if (api_is_platform_admin() || api_is_course_admin()) {
                $course = api_get_course_info();
                $doc_id = DocumentManager::get_document_id($course, '/images/' . $pictureName);
                if (is_numeric($doc_id)) {
                    $images_folder_visibility = api_get_item_visibility($course, 'document', $doc_id, api_get_session_id());
                    if (!$images_folder_visibility) {
                        //This message is shown only to the course/platform admin if the image is set to visibility = false
                        Display::display_warning_message(get_lang('ChangeTheVisibilityOfTheCurrentImage'));
                    }
                }
            }
            $questionName = $objQuestionTmp->selectTitle();
            $questionDescription = $objQuestionTmp->selectDescription();
            if ($freeze) {
                echo Display::img($objQuestionTmp->selectPicturePath());
                return;
            }
            // Get the answers, make a list
            $objAnswerTmp = new Answer($questionId);
            $nbrAnswers = $objAnswerTmp->selectNbrAnswers();
            // get answers of hotpost
            $answers_hotspot = array();
            for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
                $answers = $objAnswerTmp->selectAnswerByAutoId($objAnswerTmp->selectAutoId($answerId));
                $answers_hotspot[$answers['id']] = $objAnswerTmp->selectAnswer($answerId);
            }
            // display answers of hotpost order by id
            $answer_list = '<div style="padding: 10px; margin-left: 0px; border: 1px solid #A4A4A4; height: 408px; width: 200px;"><b>' . get_lang('HotspotZones') . '</b><dl>';
            if (!empty($answers_hotspot)) {
                ksort($answers_hotspot);
                foreach ($answers_hotspot as $key => $value) {
                    $answer_list .= '<dt>' . $key . '.- ' . $value . '</dt><br />';
                }
            }
            $answer_list .= '</dl></div>';
            if ($answerType == HOT_SPOT_DELINEATION) {
                $answer_list = '';
                $swf_file = 'hotspot_delineation_user';
                $swf_height = 405;
            } else {
                $swf_file = 'hotspot_user';
                $swf_height = 436;
            }
            if (!$only_questions) {
                if ($show_title) {
                    TestCategory::displayCategoryAndTitle($objQuestionTmp->id);
                    echo '<div class="question_title">' . $current_item . '. ' . $questionName . '</div>';
                }
                //@todo I need to the get the feedback type
                echo '<input type="hidden" name="hidden_hotspot_id" value="' . $questionId . '" />';
                echo '<table class="exercise_questions" >
                      <tr>
                        <td valign="top" colspan="2">';
                echo $questionDescription;
                echo '</td></tr>';
            }
            $canClick = isset($_GET['editQuestion']) ? '0' : (isset($_GET['modifyAnswers']) ? '0' : '1');
            $s .= '<script type="text/javascript" src="../plugin/hotspot/JavaScriptFlashGateway.js"></script>
                            <script src="../plugin/hotspot/hotspot.js" type="text/javascript" ></script>
                            <script type="text/javascript">
                            <!--
                            // Globals
                            // Major version of Flash required
                            var requiredMajorVersion = 7;
                            // Minor version of Flash required
                            var requiredMinorVersion = 0;
                            // Minor version of Flash required
                            var requiredRevision = 0;
                            // the version of javascript supported
                            var jsVersion = 1.0;
                            // -->
                            </script>
                            <script language="VBScript" type="text/vbscript">
                            <!-- // Visual basic helper required to detect Flash Player ActiveX control version information
                            Function VBGetSwfVer(i)
                              on error resume next
                              Dim swControl, swVersion
                              swVersion = 0

                              set swControl = CreateObject("ShockwaveFlash.ShockwaveFlash." + CStr(i))
                              if (IsObject(swControl)) then
                                swVersion = swControl.GetVariable("$version")
                              end if
                              VBGetSwfVer = swVersion
                            End Function
                            // -->
                            </script>

                            <script language="JavaScript1.1" type="text/javascript">
                            <!-- // Detect Client Browser type
                            var isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
                            var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
                            var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;
                            jsVersion = 1.1;
                            // JavaScript helper required to detect Flash Player PlugIn version information
                            function JSGetSwfVer(i) {
                                // NS/Opera version >= 3 check for Flash plugin in plugin array
                                if (navigator.plugins != null && navigator.plugins.length > 0) {
                                    if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
                                        var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
                                        var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
                                        descArray = flashDescription.split(" ");
                                        tempArrayMajor = descArray[2].split(".");
                                        versionMajor = tempArrayMajor[0];
                                        versionMinor = tempArrayMajor[1];
                                        if ( descArray[3] != "" ) {
                                            tempArrayMinor = descArray[3].split("r");
                                        } else {
                                            tempArrayMinor = descArray[4].split("r");
                                        }
                                        versionRevision = tempArrayMinor[1] > 0 ? tempArrayMinor[1] : 0;
                                        flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
                                    } else {
                                        flashVer = -1;
                                    }
                                }
                                // MSN/WebTV 2.6 supports Flash 4
                                else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
                                // WebTV 2.5 supports Flash 3
                                else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
                                // older WebTV supports Flash 2
                                else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
                                // Can\'t detect in all other cases
                                else
                                {
                                    flashVer = -1;
                                }
                                return flashVer;
                            }
                            // When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available

                            function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision) {
                                reqVer = parseFloat(reqMajorVer + "." + reqRevision);
                                // loop backwards through the versions until we find the newest version
                                for (i=25;i>0;i--) {
                                    if (isIE && isWin && !isOpera) {
                                        versionStr = VBGetSwfVer(i);
                                    } else {
                                        versionStr = JSGetSwfVer(i);
                                    }
                                    if (versionStr == -1 ) {
                                        return false;
                                    } else if (versionStr != 0) {
                                        if(isIE && isWin && !isOpera) {
                                            tempArray         = versionStr.split(" ");
                                            tempString        = tempArray[1];
                                            versionArray      = tempString .split(",");
                                        } else {
                                            versionArray      = versionStr.split(".");
                                        }
                                        versionMajor      = versionArray[0];
                                        versionMinor      = versionArray[1];
                                        versionRevision   = versionArray[2];

                                        versionString     = versionMajor + "." + versionRevision;   // 7.0r24 == 7.24
                                        versionNum        = parseFloat(versionString);
                                        // is the major.revision >= requested major.revision AND the minor version >= requested minor
                                        if ( (versionMajor > reqMajorVer) && (versionNum >= reqVer) ) {
                                            return true;
                                        } else {
                                            return ((versionNum >= reqVer && versionMinor >= reqMinorVer) ? true : false );
                                        }
                                    }
                                }
                            }
                            // -->
                            </script>';
            $s .= '<tr><td valign="top" colspan="2" width="520"><table><tr><td width="520">
                        <script>
                            <!--
                            // Version check based upon the values entered above in "Globals"
                            var hasReqestedVersion = DetectFlashVer(requiredMajorVersion, requiredMinorVersion, requiredRevision);

                            // Check to see if the version meets the requirements for playback
                            if (hasReqestedVersion) {  // if we\'ve detected an acceptable version
                                var oeTags = \'<object type="application/x-shockwave-flash" data="../plugin/hotspot/' . $swf_file . '.swf?modifyAnswers=' . $questionId . '&canClick:' . $canClick . '" width="600" height="' . $swf_height . '">\'
                                            + \'<param name="wmode" value="transparent">\'
                                            + \'<param name="movie" value="../plugin/hotspot/' . $swf_file . '.swf?modifyAnswers=' . $questionId . '&canClick:' . $canClick . '" />\'
                                            + \'<\\/object>\';
                                document.write(oeTags);   // embed the Flash Content SWF when all tests are passed
                            } else {  // flash is too old or we can\'t detect the plugin
                                var alternateContent = "Error<br \\/>"
                                    + "Hotspots requires Macromedia Flash 7.<br \\/>"
                                    + "<a href=\\"http://www.macromedia.com/go/getflash/\\">Get Flash<\\/a>";
                                document.write(alternateContent);  // insert non-flash content
                            }
                            // -->
                        </script>
                        </td>
                        <td valign="top" align="left">' . $answer_list . '</td></tr>
                        </table>
            </td></tr>';
            echo $s;
            echo '</table>';
        }
        return $nbrAnswers;
    }
Example #7
0
/**
 * Shows a question
 *
 * @param int    $questionId question id
 * @param bool   $only_questions if true only show the questions, no exercise title
 * @param bool   $origin  i.e = learnpath
 * @param string $current_item current item from the list of questions
 * @param bool   $show_title
 * @param bool   $freeze
 * @param array  $user_choice
 * @param bool   $show_comment
 * @param bool   $exercise_feedback
 * @param bool   $show_answers
 * */
function showQuestion($questionId, $only_questions = false, $origin = false, $current_item = '', $show_title = true, $freeze = false, $user_choice = array(), $show_comment = false, $exercise_feedback = null, $show_answers = false)
{
    // Text direction for the current language
    $is_ltr_text_direction = api_get_text_direction() != 'rtl';
    // Change false to true in the following line to enable answer hinting
    $debug_mark_answer = $show_answers;
    //api_is_allowed_to_edit() && false;
    // Reads question information
    if (!($objQuestionTmp = Question::read($questionId))) {
        // Question not found
        return false;
    }
    if ($exercise_feedback != EXERCISE_FEEDBACK_TYPE_END) {
        $show_comment = false;
    }
    $answerType = $objQuestionTmp->selectType();
    $pictureName = $objQuestionTmp->selectPicture();
    $s = '';
    if ($answerType != HOT_SPOT && $answerType != HOT_SPOT_DELINEATION) {
        // Question is not a hotspot
        if (!$only_questions) {
            $questionDescription = $objQuestionTmp->selectDescription();
            if ($show_title) {
                Testcategory::displayCategoryAndTitle($objQuestionTmp->id);
                echo Display::div($current_item . '. ' . $objQuestionTmp->selectTitle(), array('class' => 'question_title'));
            }
            if (!empty($questionDescription)) {
                echo Display::div($questionDescription, array('class' => 'question_description'));
            }
        }
        if (in_array($answerType, array(FREE_ANSWER, ORAL_EXPRESSION)) && $freeze) {
            return '';
        }
        echo '<div class="question_options">';
        // construction of the Answer object (also gets all answers details)
        $objAnswerTmp = new Answer($questionId);
        $nbrAnswers = $objAnswerTmp->selectNbrAnswers();
        $course_id = api_get_course_int_id();
        $quiz_question_options = Question::readQuestionOption($questionId, $course_id);
        // For "matching" type here, we need something a little bit special
        // because the match between the suggestions and the answers cannot be
        // done easily (suggestions and answers are in the same table), so we
        // have to go through answers first (elems with "correct" value to 0).
        $select_items = array();
        //This will contain the number of answers on the left side. We call them
        // suggestions here, for the sake of comprehensions, while the ones
        // on the right side are called answers
        $num_suggestions = 0;
        if ($answerType == MATCHING) {
            $s .= '<table class="data_table">';
            // Iterate through answers
            $x = 1;
            //mark letters for each answer
            $letter = 'A';
            $answer_matching = array();
            $cpt1 = array();
            for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
                $answerCorrect = $objAnswerTmp->isCorrect($answerId);
                $numAnswer = $objAnswerTmp->selectAutoId($answerId);
                $answer = $objAnswerTmp->selectAnswer($answerId);
                if ($answerCorrect == 0) {
                    // options (A, B, C, ...) that will be put into the list-box
                    // have the "correct" field set to 0 because they are answer
                    $cpt1[$x] = $letter;
                    $answer_matching[$x] = $objAnswerTmp->selectAnswerByAutoId($numAnswer);
                    $x++;
                    $letter++;
                }
            }
            $i = 1;
            $select_items[0]['id'] = 0;
            $select_items[0]['letter'] = '--';
            $select_items[0]['answer'] = '';
            foreach ($answer_matching as $id => $value) {
                $select_items[$i]['id'] = $value['id'];
                $select_items[$i]['letter'] = $cpt1[$id];
                $select_items[$i]['answer'] = $value['answer'];
                $i++;
            }
            $user_choice_array_position = array();
            if (!empty($user_choice)) {
                foreach ($user_choice as $item) {
                    $user_choice_array_position[$item['position']] = $item['answer'];
                }
            }
            $num_suggestions = $nbrAnswers - $x + 1;
        } elseif ($answerType == FREE_ANSWER) {
            $fck_content = isset($user_choice[0]) && !empty($user_choice[0]['answer']) ? $user_choice[0]['answer'] : null;
            $oFCKeditor = new FCKeditor("choice[" . $questionId . "]");
            $oFCKeditor->ToolbarSet = 'TestFreeAnswer';
            $oFCKeditor->Width = '100%';
            $oFCKeditor->Height = '200';
            $oFCKeditor->Value = $fck_content;
            $s .= $oFCKeditor->CreateHtml();
        } elseif ($answerType == ORAL_EXPRESSION) {
            //Add nanog
            if (api_get_setting('enable_nanogong') == 'true') {
                require_once api_get_path(LIBRARY_PATH) . 'nanogong.lib.php';
                //@todo pass this as a parameter
                global $exercise_stat_info, $exerciseId, $exe_id;
                if (!empty($exercise_stat_info)) {
                    $params = array('exercise_id' => $exercise_stat_info['exe_exo_id'], 'exe_id' => $exercise_stat_info['exe_id'], 'question_id' => $questionId);
                } else {
                    $params = array('exercise_id' => $exerciseId, 'exe_id' => 'temp_exe', 'question_id' => $questionId);
                }
                $nano = new Nanogong($params);
                echo $nano->show_button();
            }
            $oFCKeditor = new FCKeditor("choice[" . $questionId . "]");
            $oFCKeditor->ToolbarSet = 'TestFreeAnswer';
            $oFCKeditor->Width = '100%';
            $oFCKeditor->Height = '150';
            $oFCKeditor->ToolbarStartExpanded = false;
            $oFCKeditor->Value = '';
            $s .= $oFCKeditor->CreateHtml();
        }
        // Now navigate through the possible answers, using the max number of
        // answers for the question as a limiter
        $lines_count = 1;
        // a counter for matching-type answers
        if ($answerType == MULTIPLE_ANSWER_TRUE_FALSE || $answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
            $header = Display::tag('th', get_lang('Options'));
            foreach ($objQuestionTmp->options as $item) {
                if ($answerType == MULTIPLE_ANSWER_TRUE_FALSE) {
                    if (in_array($item, $objQuestionTmp->options)) {
                        $header .= Display::tag('th', get_lang($item));
                    } else {
                        $header .= Display::tag('th', $item);
                    }
                } else {
                    $header .= Display::tag('th', $item);
                }
            }
            if ($show_comment) {
                $header .= Display::tag('th', get_lang('Feedback'));
            }
            $s .= '<table class="data_table">';
            $s .= Display::tag('tr', $header, array('style' => 'text-align:left;'));
        }
        if ($show_comment) {
            if (in_array($answerType, array(MULTIPLE_ANSWER, MULTIPLE_ANSWER_COMBINATION, UNIQUE_ANSWER, UNIQUE_ANSWER_NO_OPTION, GLOBAL_MULTIPLE_ANSWER))) {
                $header = Display::tag('th', get_lang('Options'));
                if ($exercise_feedback == EXERCISE_FEEDBACK_TYPE_END) {
                    $header .= Display::tag('th', get_lang('Feedback'));
                }
                $s .= '<table class="data_table">';
                $s .= Display::tag('tr', $header, array('style' => 'text-align:left;'));
            }
        }
        $matching_correct_answer = 0;
        $user_choice_array = array();
        if (!empty($user_choice)) {
            foreach ($user_choice as $item) {
                $user_choice_array[] = $item['answer'];
            }
        }
        for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
            $answer = $objAnswerTmp->selectAnswer($answerId);
            $answerCorrect = $objAnswerTmp->isCorrect($answerId);
            $numAnswer = $objAnswerTmp->selectAutoId($answerId);
            $comment = $objAnswerTmp->selectComment($answerId);
            $attributes = array();
            // Unique answer
            if ($answerType == UNIQUE_ANSWER || $answerType == UNIQUE_ANSWER_NO_OPTION) {
                $input_id = 'choice-' . $questionId . '-' . $answerId;
                if (isset($user_choice[0]['answer']) && $user_choice[0]['answer'] == $numAnswer) {
                    $attributes = array('id' => $input_id, 'checked' => 1, 'selected' => 1);
                } else {
                    $attributes = array('id' => $input_id);
                }
                if ($debug_mark_answer) {
                    if ($answerCorrect) {
                        $attributes['checked'] = 1;
                        $attributes['selected'] = 1;
                    }
                }
                $answer = Security::remove_XSS($answer, STUDENT);
                $s .= Display::input('hidden', 'choice2[' . $questionId . ']', '0');
                $answer_input = '<label class="radio">';
                $answer_input .= Display::input('radio', 'choice[' . $questionId . ']', $numAnswer, $attributes);
                $answer_input .= $answer;
                $answer_input .= '</label>';
                if ($show_comment) {
                    $s .= '<tr><td>';
                    $s .= $answer_input;
                    $s .= '</td>';
                    $s .= '<td>';
                    $s .= $comment;
                    $s .= '</td>';
                    $s .= '</tr>';
                } else {
                    $s .= $answer_input;
                }
            } elseif ($answerType == MULTIPLE_ANSWER || $answerType == MULTIPLE_ANSWER_TRUE_FALSE || $answerType == GLOBAL_MULTIPLE_ANSWER) {
                $input_id = 'choice-' . $questionId . '-' . $answerId;
                $answer = Security::remove_XSS($answer, STUDENT);
                if (in_array($numAnswer, $user_choice_array)) {
                    $attributes = array('id' => $input_id, 'checked' => 1, 'selected' => 1);
                } else {
                    $attributes = array('id' => $input_id);
                }
                if ($debug_mark_answer) {
                    if ($answerCorrect) {
                        $attributes['checked'] = 1;
                        $attributes['selected'] = 1;
                    }
                }
                if ($answerType == MULTIPLE_ANSWER || $answerType == GLOBAL_MULTIPLE_ANSWER) {
                    $s .= '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
                    $answer_input = '<label class="checkbox">';
                    $answer_input .= Display::input('checkbox', 'choice[' . $questionId . '][' . $numAnswer . ']', $numAnswer, $attributes);
                    $answer_input .= $answer;
                    $answer_input .= '</label>';
                    if ($show_comment) {
                        $s .= '<tr><td>';
                        $s .= $answer_input;
                        $s .= '</td>';
                        $s .= '<td>';
                        $s .= $comment;
                        $s .= '</td>';
                        $s .= '</tr>';
                    } else {
                        $s .= $answer_input;
                    }
                } elseif ($answerType == MULTIPLE_ANSWER_TRUE_FALSE) {
                    $my_choice = array();
                    if (!empty($user_choice_array)) {
                        foreach ($user_choice_array as $item) {
                            $item = explode(':', $item);
                            $my_choice[$item[0]] = $item[1];
                        }
                    }
                    $s .= '<tr>';
                    $s .= Display::tag('td', $answer);
                    if (!empty($quiz_question_options)) {
                        foreach ($quiz_question_options as $id => $item) {
                            if (isset($my_choice[$numAnswer]) && $id == $my_choice[$numAnswer]) {
                                $attributes = array('checked' => 1, 'selected' => 1);
                            } else {
                                $attributes = array();
                            }
                            if ($debug_mark_answer) {
                                if ($id == $answerCorrect) {
                                    $attributes['checked'] = 1;
                                    $attributes['selected'] = 1;
                                }
                            }
                            $s .= Display::tag('td', Display::input('radio', 'choice[' . $questionId . '][' . $numAnswer . ']', $id, $attributes), array('style' => ''));
                        }
                    }
                    if ($show_comment) {
                        $s .= '<td>';
                        $s .= $comment;
                        $s .= '</td>';
                    }
                    $s .= '</tr>';
                }
            } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION) {
                // multiple answers
                $input_id = 'choice-' . $questionId . '-' . $answerId;
                if (in_array($numAnswer, $user_choice_array)) {
                    $attributes = array('id' => $input_id, 'checked' => 1, 'selected' => 1);
                } else {
                    $attributes = array('id' => $input_id);
                }
                if ($debug_mark_answer) {
                    if ($answerCorrect) {
                        $attributes['checked'] = 1;
                        $attributes['selected'] = 1;
                    }
                }
                $answer = Security::remove_XSS($answer, STUDENT);
                $answer_input = '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
                $answer_input .= '<label class="checkbox">';
                $answer_input .= Display::input('checkbox', 'choice[' . $questionId . '][' . $numAnswer . ']', 1, $attributes);
                $answer_input .= $answer;
                $answer_input .= '</label>';
                if ($show_comment) {
                    $s .= '<tr>';
                    $s .= '<td>';
                    $s .= $answer_input;
                    $s .= '</td>';
                    $s .= '<td>';
                    $s .= $comment;
                    $s .= '</td>';
                    $s .= '</tr>';
                } else {
                    $s .= $answer_input;
                }
            } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
                $s .= '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
                $my_choice = array();
                if (!empty($user_choice_array)) {
                    foreach ($user_choice_array as $item) {
                        $item = explode(':', $item);
                        $my_choice[$item[0]] = $item[1];
                    }
                }
                $answer = Security::remove_XSS($answer, STUDENT);
                $s .= '<tr>';
                $s .= Display::tag('td', $answer);
                foreach ($objQuestionTmp->options as $key => $item) {
                    if (isset($my_choice[$numAnswer]) && $key == $my_choice[$numAnswer]) {
                        $attributes = array('checked' => 1, 'selected' => 1);
                    } else {
                        $attributes = array();
                    }
                    if ($debug_mark_answer) {
                        if ($key == $answerCorrect) {
                            $attributes['checked'] = 1;
                            $attributes['selected'] = 1;
                        }
                    }
                    $s .= Display::tag('td', Display::input('radio', 'choice[' . $questionId . '][' . $numAnswer . ']', $key, $attributes));
                }
                if ($show_comment) {
                    $s .= '<td>';
                    $s .= $comment;
                    $s .= '</td>';
                }
                $s .= '</tr>';
            } elseif ($answerType == FILL_IN_BLANKS) {
                /*
                 * In the FILL_IN_BLANKS test
                 * you mustn't have [ and ] in the textarea
                 * you mustn't have :: in the textarea
                 * the text to find mustn't be empty or contains only spaces
                 * the text to find mustn't contains HTML tags
                 * the text to find mustn't contains char "
                 */
                list($answer) = explode('::', $answer);
                // $correct_answer_list array of array with correct anwsers 0=> [0=>[\p] 1=>[plop]]
                api_preg_match_all('/\\[[^]]+\\]/', $answer, $correct_answer_list);
                // get student answer to display it if student go back to previous fillBlank answer question in a test
                if (isset($user_choice[0]['answer'])) {
                    api_preg_match_all('/\\[[^]]+\\]/', $user_choice[0]['answer'], $student_answer_list);
                    $student_answer_list_tobecleaned = $student_answer_list[0];
                    $student_answer_list = array();
                    // here we got the student answer in a test
                    // let's clean up the results
                    /*
                    Array
                    (
                        [0] => Array
                        (
                            [0] => [<font color="red"><s>yer</s></font> / <font color="green"><b>ici</b></font>]
                            [1] => [<font color="red"><s>plop</s></font> / <font color="green"><b>/p</b></font>]
                        )
                    )
                    */
                    for ($i = 0; $i < count($student_answer_list_tobecleaned); $i++) {
                        $answer_corrected = $student_answer_list_tobecleaned[$i];
                        /*
                         * we got if student answer is wrong
                         * [<font color="red"><s>rrr</s></font> / <font color="green"><b>/p</b></font>]
                         * or if student answer is good
                         * [plop / <font color="green"><b>plop</b></font>]
                         * or if student didn't answer []
                         */
                        $answer_corrected = api_preg_replace('| / <font color="green"><b>.*$|', '', $answer_corrected);
                        /*
                         * we got [<font color="red"><s>rrr</s></font> or [plop or [
                         */
                        $answer_corrected = api_preg_replace('/^\\[/', '', $answer_corrected);
                        /*
                         * we got <font color="red"><s>rrr</s></font> or plop
                         * non breakable spaces &nbsp;&nbsp;&nbsp; from /main/exercice/exercise.class.php have been removed l 2391 and l 2370
                         */
                        $answer_corrected = api_preg_replace('|^<font color="red"><s>|', '', $answer_corrected);
                        $answer_corrected = api_preg_replace('|</s></font>$|', '', $answer_corrected);
                        $answer_corrected = '[' . $answer_corrected . ']';
                        /*
                         * we got [rrr] or [plop] or []
                         */
                        $student_answer_list[] = $answer_corrected;
                    }
                }
                // If display preview of answer in test view for exemple, set the student answer to the correct answers
                if ($debug_mark_answer) {
                    // contain the rights answers surronded with brackets
                    $student_answer_list = $correct_answer_list[0];
                }
                /*
                Split the response by bracket
                tab_comments is an array with text surrounding the text to find
                we add a space before and after the answer_question to be sure to
                have a block of text before and after [xxx] patterns
                so we have n text to find ([xxx]) and n+1 block of texts before,
                between and after the text to find
                */
                $tab_comments = api_preg_split('/\\[[^]]+\\]/', ' ' . $answer . ' ');
                if (!empty($correct_answer_list) && !empty($student_answer_list)) {
                    $answer = "";
                    $i = 0;
                    foreach ($student_answer_list as $student_item) {
                        // remove surronding brackets
                        $student_response = api_substr($student_item, 1, api_strlen($student_item) - 2);
                        $size = strlen($student_item);
                        $attributes['class'] = detectInputAppropriateClass($size);
                        $answer .= $tab_comments[$i] . Display::input('text', "choice[{$questionId}][]", $student_response, $attributes);
                        $i++;
                    }
                    $answer .= $tab_comments[$i];
                } else {
                    // display exercise with empty input fields
                    // every [xxx] are replaced with an empty input field
                    foreach ($correct_answer_list[0] as $item) {
                        $size = strlen($item);
                        $attributes['class'] = detectInputAppropriateClass($size);
                        $answer = str_replace($item, Display::input('text', "choice[{$questionId}][]", '', $attributes), $answer);
                    }
                    /*$answer = api_preg_replace(
                      '/\[[^]]+\]/',
                      Display::input(
                          'text',
                          "choice[$questionId][]",
                          '',
                          $attributes
                      ), $answer);*/
                }
                $s .= $answer;
            } elseif ($answerType == CALCULATED_ANSWER) {
                /*
                 * In the CALCULATED_ANSWER test
                 * you mustn't have [ and ] in the textarea
                 * you mustn't have @@ in the textarea
                 * the text to find mustn't be empty or contains only spaces
                 * the text to find mustn't contains HTML tags
                 * the text to find mustn't contains char "
                 */
                if ($origin !== null) {
                    global $exe_id;
                    $trackAttempts = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
                    $sqlTrackAttempt = 'SELECT answer FROM ' . $trackAttempts . ' WHERE exe_id=' . $exe_id . ' AND question_id=' . $questionId;
                    $rsLastAttempt = Database::query($sqlTrackAttempt);
                    $rowLastAttempt = Database::fetch_array($rsLastAttempt);
                    $answer = $rowLastAttempt['answer'];
                    if (empty($answer)) {
                        $_SESSION['calculatedAnswerId'][$questionId] = mt_rand(1, $nbrAnswers);
                        $answer = $objAnswerTmp->selectAnswer($_SESSION['calculatedAnswerId'][$questionId]);
                    }
                }
                list($answer) = explode('@@', $answer);
                // $correctAnswerList array of array with correct anwsers 0=> [0=>[\p] 1=>[plop]]
                api_preg_match_all('/\\[[^]]+\\]/', $answer, $correctAnswerList);
                // get student answer to display it if student go back to previous calculated answer question in a test
                if (isset($user_choice[0]['answer'])) {
                    api_preg_match_all('/\\[[^]]+\\]/', $answer, $studentAnswerList);
                    $studentAnswerListTobecleaned = $studentAnswerList[0];
                    $studentAnswerList = array();
                    for ($i = 0; $i < count($studentAnswerListTobecleaned); $i++) {
                        $answerCorrected = $studentAnswerListTobecleaned[$i];
                        $answerCorrected = api_preg_replace('| / <font color="green"><b>.*$|', '', $answerCorrected);
                        $answerCorrected = api_preg_replace('/^\\[/', '', $answerCorrected);
                        $answerCorrected = api_preg_replace('|^<font color="red"><s>|', '', $answerCorrected);
                        $answerCorrected = api_preg_replace('|</s></font>$|', '', $answerCorrected);
                        $answerCorrected = '[' . $answerCorrected . ']';
                        $studentAnswerList[] = $answerCorrected;
                    }
                }
                // If display preview of answer in test view for exemple, set the student answer to the correct answers
                if ($debug_mark_answer) {
                    // contain the rights answers surronded with brackets
                    $studentAnswerList = $correctAnswerList[0];
                }
                /*
                Split the response by bracket
                tabComments is an array with text surrounding the text to find
                we add a space before and after the answerQuestion to be sure to
                have a block of text before and after [xxx] patterns
                so we have n text to find ([xxx]) and n+1 block of texts before,
                between and after the text to find
                */
                $tabComments = api_preg_split('/\\[[^]]+\\]/', ' ' . $answer . ' ');
                if (!empty($correctAnswerList) && !empty($studentAnswerList)) {
                    $answer = "";
                    $i = 0;
                    foreach ($studentAnswerList as $studentItem) {
                        // remove surronding brackets
                        $studentResponse = api_substr($studentItem, 1, api_strlen($studentItem) - 2);
                        $size = strlen($studentItem);
                        $attributes['class'] = detectInputAppropriateClass($size);
                        $answer .= $tabComments[$i] . Display::input('text', "choice[{$questionId}][]", $studentResponse, $attributes);
                        $i++;
                    }
                    $answer .= $tabComments[$i];
                } else {
                    // display exercise with empty input fields
                    // every [xxx] are replaced with an empty input field
                    foreach ($correctAnswerList[0] as $item) {
                        $size = strlen($item);
                        $attributes['class'] = detectInputAppropriateClass($size);
                        $answer = str_replace($item, Display::input('text', "choice[{$questionId}][]", '', $attributes), $answer);
                    }
                }
                if ($origin !== null) {
                    $s = $answer;
                    break;
                } else {
                    $s .= $answer;
                }
            } elseif ($answerType == MATCHING) {
                // matching type, showing suggestions and answers
                // TODO: replace $answerId by $numAnswer
                if ($answerCorrect != 0) {
                    // only show elements to be answered (not the contents of
                    // the select boxes, who are corrrect = 0)
                    $s .= '<tr><td width="45%" valign="top">';
                    $parsed_answer = $answer;
                    //left part questions
                    $s .= ' <span style="float:left; width:8%;"><b>' . $lines_count . '</b>.&nbsp;</span>
    					 	<span style="float:left; width:92%;">' . $parsed_answer . '</span></td>';
                    //middle part (matches selects)
                    $s .= '<td width="10%" valign="top" align="center">&nbsp;&nbsp;
    			            <select name="choice[' . $questionId . '][' . $numAnswer . ']">';
                    // fills the list-box
                    foreach ($select_items as $key => $val) {
                        // set $debug_mark_answer to true at function start to
                        // show the correct answer with a suffix '-x'
                        $selected = '';
                        if ($debug_mark_answer) {
                            if ($val['id'] == $answerCorrect) {
                                $selected = 'selected="selected"';
                            }
                        }
                        //$user_choice_array_position
                        if (isset($user_choice_array_position[$numAnswer]) && $val['id'] == $user_choice_array_position[$numAnswer]) {
                            $selected = 'selected="selected"';
                        }
                        /*if (isset($user_choice_array[$matching_correct_answer]) && $val['id'] == $user_choice_array[$matching_correct_answer]['answer']) {
                              $selected = 'selected="selected"';
                          }*/
                        $s .= '<option value="' . $val['id'] . '" ' . $selected . '>' . $val['letter'] . '</option>';
                    }
                    // end foreach()
                    $s .= '</select></td>';
                    $s .= '<td width="45%" valign="top" >';
                    if (isset($select_items[$lines_count])) {
                        $s .= '<span style="float:left; width:5%;"><b>' . $select_items[$lines_count]['letter'] . '.</b></span>' . '<span style="float:left; width:95%;">' . $select_items[$lines_count]['answer'] . '</span>';
                    } else {
                        $s .= '&nbsp;';
                    }
                    $s .= '</td>';
                    $s .= '</tr>';
                    $lines_count++;
                    //if the left side of the "matching" has been completely
                    // shown but the right side still has values to show...
                    if ($lines_count - 1 == $num_suggestions) {
                        // if it remains answers to shown at the right side
                        while (isset($select_items[$lines_count])) {
                            $s .= '<tr>
    							  <td colspan="2"></td>
    							  <td valign="top">';
                            $s .= '<b>' . $select_items[$lines_count]['letter'] . '.</b> ' . $select_items[$lines_count]['answer'];
                            $s .= "</td>\n    \t\t\t\t\t\t</tr>";
                            $lines_count++;
                        }
                        // end while()
                    }
                    // end if()
                    $matching_correct_answer++;
                }
            }
        }
        // end for()
        if ($show_comment) {
            $s .= '</table>';
        } else {
            if ($answerType == MATCHING || $answerType == UNIQUE_ANSWER_NO_OPTION || $answerType == MULTIPLE_ANSWER_TRUE_FALSE || $answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
                $s .= '</table>';
            }
        }
        $s .= '</div>';
        // destruction of the Answer object
        unset($objAnswerTmp);
        // destruction of the Question object
        unset($objQuestionTmp);
        if ($origin != 'export') {
            echo $s;
        } else {
            return $s;
        }
    } elseif ($answerType == HOT_SPOT || $answerType == HOT_SPOT_DELINEATION) {
        // Question is a HOT_SPOT
        //checking document/images visibility
        if (api_is_platform_admin() || api_is_course_admin()) {
            require_once api_get_path(LIBRARY_PATH) . 'document.lib.php';
            $course = api_get_course_info();
            $doc_id = DocumentManager::get_document_id($course, '/images/' . $pictureName);
            if (is_numeric($doc_id)) {
                $images_folder_visibility = api_get_item_visibility($course, 'document', $doc_id, api_get_session_id());
                if (!$images_folder_visibility) {
                    //This message is shown only to the course/platform admin if the image is set to visibility = false
                    Display::display_warning_message(get_lang('ChangeTheVisibilityOfTheCurrentImage'));
                }
            }
        }
        $questionName = $objQuestionTmp->selectTitle();
        $questionDescription = $objQuestionTmp->selectDescription();
        if ($freeze) {
            echo Display::img($objQuestionTmp->selectPicturePath());
            return;
        }
        // Get the answers, make a list
        $objAnswerTmp = new Answer($questionId);
        $nbrAnswers = $objAnswerTmp->selectNbrAnswers();
        // get answers of hotpost
        $answers_hotspot = array();
        for ($answerId = 1; $answerId <= $nbrAnswers; $answerId++) {
            $answers = $objAnswerTmp->selectAnswerByAutoId($objAnswerTmp->selectAutoId($answerId));
            $answers_hotspot[$answers['id']] = $objAnswerTmp->selectAnswer($answerId);
        }
        // display answers of hotpost order by id
        $answer_list = '<div style="padding: 10px; margin-left: 0px; border: 1px solid #A4A4A4; height: 408px; width: 200px;"><b>' . get_lang('HotspotZones') . '</b><dl>';
        if (!empty($answers_hotspot)) {
            ksort($answers_hotspot);
            foreach ($answers_hotspot as $key => $value) {
                $answer_list .= '<dt>' . $key . '.- ' . $value . '</dt><br />';
            }
        }
        $answer_list .= '</dl></div>';
        if ($answerType == HOT_SPOT_DELINEATION) {
            $answer_list = '';
            $swf_file = 'hotspot_delineation_user';
            $swf_height = 405;
        } else {
            $swf_file = 'hotspot_user';
            $swf_height = 436;
        }
        if (!$only_questions) {
            if ($show_title) {
                Testcategory::displayCategoryAndTitle($objQuestionTmp->id);
                echo '<div class="question_title">' . $current_item . '. ' . $questionName . '</div>';
            }
            //@todo I need to the get the feedback type
            echo '<input type="hidden" name="hidden_hotspot_id" value="' . $questionId . '" />';
            echo '<table class="exercise_questions" >
    			  <tr>
    		  		<td valign="top" colspan="2">';
            echo $questionDescription;
            echo '</td></tr>';
        }
        $canClick = isset($_GET['editQuestion']) ? '0' : (isset($_GET['modifyAnswers']) ? '0' : '1');
        $s .= '<script type="text/javascript" src="../plugin/hotspot/JavaScriptFlashGateway.js"></script>
    					<script src="../plugin/hotspot/hotspot.js" type="text/javascript" ></script>
    					<script type="text/javascript">
    					<!--
    					// Globals
    					// Major version of Flash required
    					var requiredMajorVersion = 7;
    					// Minor version of Flash required
    					var requiredMinorVersion = 0;
    					// Minor version of Flash required
    					var requiredRevision = 0;
    					// the version of javascript supported
    					var jsVersion = 1.0;
    					// -->
    					</script>
    					<script language="VBScript" type="text/vbscript">
    					<!-- // Visual basic helper required to detect Flash Player ActiveX control version information
    					Function VBGetSwfVer(i)
    					  on error resume next
    					  Dim swControl, swVersion
    					  swVersion = 0

    					  set swControl = CreateObject("ShockwaveFlash.ShockwaveFlash." + CStr(i))
    					  if (IsObject(swControl)) then
    					    swVersion = swControl.GetVariable("$version")
    					  end if
    					  VBGetSwfVer = swVersion
    					End Function
    					// -->
    					</script>

    					<script language="JavaScript1.1" type="text/javascript">
    					<!-- // Detect Client Browser type
    					var isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
    					var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
    					var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;
    					jsVersion = 1.1;
    					// JavaScript helper required to detect Flash Player PlugIn version information
    					function JSGetSwfVer(i) {
    						// NS/Opera version >= 3 check for Flash plugin in plugin array
    						if (navigator.plugins != null && navigator.plugins.length > 0) {
    							if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
    								var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
    					      		var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
    								descArray = flashDescription.split(" ");
    								tempArrayMajor = descArray[2].split(".");
    								versionMajor = tempArrayMajor[0];
    								versionMinor = tempArrayMajor[1];
    								if ( descArray[3] != "" ) {
    									tempArrayMinor = descArray[3].split("r");
    								} else {
    									tempArrayMinor = descArray[4].split("r");
    								}
    					      		versionRevision = tempArrayMinor[1] > 0 ? tempArrayMinor[1] : 0;
    					            flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
    					      	} else {
    								flashVer = -1;
    							}
    						}
    						// MSN/WebTV 2.6 supports Flash 4
    						else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
    						// WebTV 2.5 supports Flash 3
    						else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
    						// older WebTV supports Flash 2
    						else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
    						// Can\'t detect in all other cases
    						else
    						{
    							flashVer = -1;
    						}
    						return flashVer;
    					}
    					// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available

    					function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision) {
    					 	reqVer = parseFloat(reqMajorVer + "." + reqRevision);
    					   	// loop backwards through the versions until we find the newest version
    						for (i=25;i>0;i--) {
    							if (isIE && isWin && !isOpera) {
    								versionStr = VBGetSwfVer(i);
    							} else {
    								versionStr = JSGetSwfVer(i);
    							}
    							if (versionStr == -1 ) {
    								return false;
    							} else if (versionStr != 0) {
    								if(isIE && isWin && !isOpera) {
    									tempArray         = versionStr.split(" ");
    									tempString        = tempArray[1];
    									versionArray      = tempString .split(",");
    								} else {
    									versionArray      = versionStr.split(".");
    								}
    								versionMajor      = versionArray[0];
    								versionMinor      = versionArray[1];
    								versionRevision   = versionArray[2];

    								versionString     = versionMajor + "." + versionRevision;   // 7.0r24 == 7.24
    								versionNum        = parseFloat(versionString);
    					        	// is the major.revision >= requested major.revision AND the minor version >= requested minor
    								if ( (versionMajor > reqMajorVer) && (versionNum >= reqVer) ) {
    									return true;
    								} else {
    									return ((versionNum >= reqVer && versionMinor >= reqMinorVer) ? true : false );
    								}
    							}
    						}
    					}
    					// -->
    					</script>';
        $s .= '<tr><td valign="top" colspan="2" width="520"><table><tr><td width="520">
    				<script>
    					<!--
    					// Version check based upon the values entered above in "Globals"
    					var hasReqestedVersion = DetectFlashVer(requiredMajorVersion, requiredMinorVersion, requiredRevision);

    					// Check to see if the version meets the requirements for playback
    					if (hasReqestedVersion) {  // if we\'ve detected an acceptable version
    					    var oeTags = \'<object type="application/x-shockwave-flash" data="../plugin/hotspot/' . $swf_file . '.swf?modifyAnswers=' . $questionId . '&amp;canClick:' . $canClick . '" width="600" height="' . $swf_height . '">\'
    					    			+ \'<param name="wmode" value="transparent">\'
    									+ \'<param name="movie" value="../plugin/hotspot/' . $swf_file . '.swf?modifyAnswers=' . $questionId . '&amp;canClick:' . $canClick . '" />\'
    									+ \'<\\/object>\';
    					    document.write(oeTags);   // embed the Flash Content SWF when all tests are passed
    					} else {  // flash is too old or we can\'t detect the plugin
    						var alternateContent = "Error<br \\/>"
    							+ "Hotspots requires Macromedia Flash 7.<br \\/>"
    							+ "<a href=\\"http://www.macromedia.com/go/getflash/\\">Get Flash<\\/a>";
    						document.write(alternateContent);  // insert non-flash content
    					}
    					// -->
    				</script>
    				</td>
    				<td valign="top" align="left">' . $answer_list . '</td></tr>
    				</table>
    	</td></tr>';
        echo $s;
        echo '</table>';
    }
    return $nbrAnswers;
}
foreach ($question_list as $questionId) {
    // destruction of the Question object
    unset($objQuestionTmp);
    // creates a temporary Question object
    $objQuestionTmp = Question::read($questionId);
    $quesId = $objQuestionTmp->selectId();
    $check_id = 'remind_list[' . $questionId . ']';
    $attributes = array('id' => $check_id, 'onclick' => "save_remind_item(this, '{$questionId}');");
    if (in_array($questionId, $remind_list)) {
        $attributes['checked'] = 1;
    }
    $label_attributes = array();
    $label_attributes['class'] = 'checkbox';
    $label_attributes['for'] = $check_id;
    $label_attributes['class'] = "checkbox";
    $checkbox = Display::input('checkbox', 'remind_list[' . $questionId . ']', '', $attributes);
    $url = 'exercise_submit.php?exerciseId=' . $objExercise->id . '&num=' . $counter . '&reminder=1';
    $counter++;
    if ($objExercise->type == ONE_PER_PAGE) {
        $question_title = Display::url($counter . '. ' . cut($objQuestionTmp->selectTitle(), 40), $url);
        $question_title = $counter . '. ' . cut($objQuestionTmp->selectTitle(), 40);
    } else {
        $question_title = $counter . '. ' . cut($objQuestionTmp->selectTitle(), 40);
    }
    //Check if the question doesn't have an answer
    if (!in_array($questionId, $exercise_result)) {
        $question_title = Display::label($question_title, 'warning');
    }
    $question_title = Display::tag('label', $checkbox . $question_title, $label_attributes);
    $table .= Display::div($question_title, array('class' => 'exercise_reminder_item'));
}
    /**
     * Shows a question
     * @param Question $objQuestionTmp
     * @param bool $only_questions if true only show the questions, no exercise title
     * @param bool $origin origin i.e = learnpath
     * @param string $current_item current item from the list of questions
     * @param bool $show_title
     * @param bool $freeze
     * @param array $user_choice
     * @param bool $show_comment
     * @param null $exercise_feedback
     * @param bool $show_answers
     * @param null $modelType
     * @param bool $categoryMinusOne
     * @return bool|null|string
     */
    public function showQuestion(Question $objQuestionTmp, $only_questions = false, $origin = false, $current_item = '', $show_title = true, $freeze = false, $user_choice = array(), $show_comment = false, $exercise_feedback = null, $show_answers = false, $modelType = null, $categoryMinusOne = true)
    {
        // Text direction for the current language
        //$is_ltr_text_direction = api_get_text_direction() != 'rtl';
        // Change false to true in the following line to enable answer hinting
        $debug_mark_answer = $show_answers;
        //api_is_allowed_to_edit() && false;
        // Reads question information
        if (!$objQuestionTmp) {
            // Question not found
            return false;
        }
        $html = null;
        $questionId = $objQuestionTmp->id;
        if ($exercise_feedback != EXERCISE_FEEDBACK_TYPE_END) {
            $show_comment = false;
        }
        $answerType = $objQuestionTmp->selectType();
        $pictureName = $objQuestionTmp->selectPicture();
        $s = null;
        $form = new FormValidator('question');
        $renderer = $form->defaultRenderer();
        $form_template = '{content}';
        $renderer->setFormTemplate($form_template);
        if ($answerType != HOT_SPOT && $answerType != HOT_SPOT_DELINEATION) {
            // Question is not a hotspot
            if (!$only_questions) {
                $questionDescription = $objQuestionTmp->selectDescription();
                if ($show_title) {
                    $categoryName = TestCategory::getCategoryNamesForQuestion($objQuestionTmp->id, null, true, $categoryMinusOne);
                    $html .= $categoryName;
                    $html .= Display::div($current_item . '. ' . $objQuestionTmp->selectTitle(), array('class' => 'question_title'));
                    if (!empty($questionDescription)) {
                        $html .= Display::div($questionDescription, array('class' => 'question_description'));
                    }
                } else {
                    $html .= '<div class="media">';
                    $html .= '<div class="pull-left">';
                    $html .= '<div class="media-object">';
                    $html .= Display::div($current_item, array('class' => 'question_no_title'));
                    $html .= '</div>';
                    $html .= '</div>';
                    $html .= '<div class="media-body">';
                    if (!empty($questionDescription)) {
                        $html .= Display::div($questionDescription, array('class' => 'question_description'));
                    }
                    $html .= '</div>';
                    $html .= '</div>';
                }
            }
            if (in_array($answerType, array(FREE_ANSWER, ORAL_EXPRESSION)) && $freeze) {
                return null;
            }
            $html .= '<div class="question_options">';
            // construction of the Answer object (also gets all answers details)
            $objAnswerTmp = new Answer($questionId, null, $this);
            $nbrAnswers = $objAnswerTmp->selectNbrAnswers();
            $course_id = api_get_course_int_id();
            $quiz_question_options = Question::readQuestionOption($questionId, $course_id);
            // For "matching" type here, we need something a little bit special
            // because the match between the suggestions and the answers cannot be
            // done easily (suggestions and answers are in the same table), so we
            // have to go through answers first (elems with "correct" value to 0).
            $select_items = array();
            //This will contain the number of answers on the left side. We call them
            // suggestions here, for the sake of comprehensions, while the ones
            // on the right side are called answers
            $num_suggestions = 0;
            if ($answerType == MATCHING || $answerType == DRAGGABLE) {
                if ($answerType == DRAGGABLE) {
                    $s .= '<div class="ui-widget ui-helper-clearfix">
                            <ul class="drag_question ui-helper-reset ui-helper-clearfix">';
                } else {
                    $s .= '<div id="drag' . $questionId . '_question" class="drag_question">';
                    $s .= '<table class="data_table">';
                }
                $j = 1;
                //iterate through answers
                $letter = 'A';
                //mark letters for each answer
                $answer_matching = array();
                $capital_letter = array();
                //for ($answerId=1; $answerId <= $nbrAnswers; $answerId++) {
                foreach ($objAnswerTmp->answer as $answerId => $answer_item) {
                    $answerCorrect = $objAnswerTmp->isCorrect($answerId);
                    $answer = $objAnswerTmp->selectAnswer($answerId);
                    if ($answerCorrect == 0) {
                        // options (A, B, C, ...) that will be put into the list-box
                        // have the "correct" field set to 0 because they are answer
                        $capital_letter[$j] = $letter;
                        //$answer_matching[$j]=$objAnswerTmp->selectAnswerByAutoId($numAnswer);
                        $answer_matching[$j] = array('id' => $answerId, 'answer' => $answer);
                        $j++;
                        $letter++;
                    }
                }
                $i = 1;
                $select_items[0]['id'] = 0;
                $select_items[0]['letter'] = '--';
                $select_items[0]['answer'] = '';
                foreach ($answer_matching as $id => $value) {
                    $select_items[$i]['id'] = $value['id'];
                    $select_items[$i]['letter'] = $capital_letter[$id];
                    $select_items[$i]['answer'] = $value['answer'];
                    $i++;
                }
                $num_suggestions = $nbrAnswers - $j + 1;
            } elseif ($answerType == FREE_ANSWER) {
                $content = isset($user_choice[0]) && !empty($user_choice[0]['answer']) ? $user_choice[0]['answer'] : null;
                $toolBar = 'TestFreeAnswer';
                if ($modelType == EXERCISE_MODEL_TYPE_COMMITTEE) {
                    $toolBar = 'TestFreeAnswerStrict';
                }
                $form->addElement('html_editor', "choice[" . $questionId . "]", null, array('id' => "choice[" . $questionId . "]"), array('ToolbarSet' => $toolBar));
                $form->setDefaults(array("choice[" . $questionId . "]" => $content));
                $s .= $form->return_form();
            } elseif ($answerType == ORAL_EXPRESSION) {
                // Add nanogong
                if (api_get_setting('document.enable_nanogong') == 'true') {
                    //@todo pass this as a parameter
                    global $exercise_stat_info, $exerciseId;
                    if (!empty($exercise_stat_info)) {
                        $params = array('exercise_id' => $exercise_stat_info['exe_exo_id'], 'exe_id' => $exercise_stat_info['exe_id'], 'question_id' => $questionId);
                    } else {
                        $params = array('exercise_id' => $exerciseId, 'exe_id' => 'temp_exe', 'question_id' => $questionId);
                    }
                    $nano = new Nanogong($params);
                    $s .= $nano->show_button();
                }
                $form->addElement('html_editor', "choice[" . $questionId . "]", null, array('id' => "choice[" . $questionId . "]"), array('ToolbarSet' => 'TestFreeAnswer'));
                //$form->setDefaults(array("choice[".$questionId."]" => $content));
                $s .= $form->return_form();
            }
            // Now navigate through the possible answers, using the max number of
            // answers for the question as a limiter
            $lines_count = 1;
            // a counter for matching-type answers
            if ($answerType == MULTIPLE_ANSWER_TRUE_FALSE || $answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
                $header = Display::tag('th', get_lang('Options'));
                foreach ($objQuestionTmp->options as $item) {
                    $header .= Display::tag('th', $item);
                }
                if ($show_comment) {
                    $header .= Display::tag('th', get_lang('Feedback'));
                }
                $s .= '<table class="data_table">';
                $s .= Display::tag('tr', $header, array('style' => 'text-align:left;'));
            }
            if ($show_comment) {
                if (in_array($answerType, array(MULTIPLE_ANSWER, MULTIPLE_ANSWER_COMBINATION, UNIQUE_ANSWER, UNIQUE_ANSWER_NO_OPTION, GLOBAL_MULTIPLE_ANSWER))) {
                    $header = Display::tag('th', get_lang('Options'));
                    if ($exercise_feedback == EXERCISE_FEEDBACK_TYPE_END) {
                        $header .= Display::tag('th', get_lang('Feedback'));
                    }
                    $s .= '<table class="data_table">';
                    $s .= Display::tag('tr', $header, array('style' => 'text-align:left;'));
                }
            }
            $matching_correct_answer = 0;
            $user_choice_array = array();
            if (!empty($user_choice)) {
                foreach ($user_choice as $item) {
                    $user_choice_array[] = $item['answer'];
                }
            }
            foreach ($objAnswerTmp->answer as $answerId => $answer_item) {
                $answer = $objAnswerTmp->selectAnswer($answerId);
                $answerCorrect = $objAnswerTmp->isCorrect($answerId);
                $comment = $objAnswerTmp->selectComment($answerId);
                //$numAnswer       = $objAnswerTmp->selectAutoId($answerId);
                $numAnswer = $answerId;
                $attributes = array();
                // Unique answer
                if (in_array($answerType, array(UNIQUE_ANSWER, UNIQUE_ANSWER_IMAGE, UNIQUE_ANSWER_NO_OPTION))) {
                    $input_id = 'choice-' . $questionId . '-' . $answerId;
                    if (isset($user_choice[0]['answer']) && $user_choice[0]['answer'] == $numAnswer) {
                        $attributes = array('id' => $input_id, 'checked' => 1, 'selected' => 1);
                    } else {
                        $attributes = array('id' => $input_id);
                    }
                    if ($debug_mark_answer) {
                        if ($answerCorrect) {
                            $attributes['checked'] = 1;
                            $attributes['selected'] = 1;
                        }
                    }
                    $answer = Security::remove_XSS($answer);
                    $s .= Display::input('hidden', 'choice2[' . $questionId . ']', '0');
                    $answer_input = null;
                    if ($answerType == UNIQUE_ANSWER_IMAGE) {
                        $attributes['style'] = 'display:none';
                        $answer_input .= '<div id="answer' . $questionId . $numAnswer . '" style="float:left" class="highlight_image_default highlight_image">';
                    }
                    $answer_input .= '<label class="radio">';
                    $answer_input .= Display::input('radio', 'choice[' . $questionId . ']', $numAnswer, $attributes);
                    $answer_input .= $answer;
                    $answer_input .= '</label>';
                    if ($answerType == UNIQUE_ANSWER_IMAGE) {
                        $answer_input .= "</div>";
                    }
                    if ($show_comment) {
                        $s .= '<tr><td>';
                        $s .= $answer_input;
                        $s .= '</td>';
                        $s .= '<td>';
                        $s .= $comment;
                        $s .= '</td>';
                        $s .= '</tr>';
                    } else {
                        $s .= $answer_input;
                    }
                } elseif (in_array($answerType, array(MULTIPLE_ANSWER, MULTIPLE_ANSWER_TRUE_FALSE, GLOBAL_MULTIPLE_ANSWER))) {
                    $input_id = 'choice-' . $questionId . '-' . $answerId;
                    $answer = Security::remove_XSS($answer);
                    if (in_array($numAnswer, $user_choice_array)) {
                        $attributes = array('id' => $input_id, 'checked' => 1, 'selected' => 1);
                    } else {
                        $attributes = array('id' => $input_id);
                    }
                    if ($debug_mark_answer) {
                        if ($answerCorrect) {
                            $attributes['checked'] = 1;
                            $attributes['selected'] = 1;
                        }
                    }
                    if ($answerType == MULTIPLE_ANSWER || $answerType == GLOBAL_MULTIPLE_ANSWER) {
                        $s .= '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
                        $answer_input = '<label class="checkbox">';
                        $answer_input .= Display::input('checkbox', 'choice[' . $questionId . '][' . $numAnswer . ']', $numAnswer, $attributes);
                        $answer_input .= $answer;
                        $answer_input .= '</label>';
                        if ($show_comment) {
                            $s .= '<tr><td>';
                            $s .= $answer_input;
                            $s .= '</td>';
                            $s .= '<td>';
                            $s .= $comment;
                            $s .= '</td>';
                            $s .= '</tr>';
                        } else {
                            $s .= $answer_input;
                        }
                    } elseif ($answerType == MULTIPLE_ANSWER_TRUE_FALSE) {
                        $my_choice = array();
                        if (!empty($user_choice_array)) {
                            foreach ($user_choice_array as $item) {
                                $item = explode(':', $item);
                                $my_choice[$item[0]] = $item[1];
                            }
                        }
                        $s .= '<tr>';
                        $s .= Display::tag('td', $answer);
                        if (!empty($quiz_question_options)) {
                            foreach ($quiz_question_options as $id => $item) {
                                $id = $item['iid'];
                                if (isset($my_choice[$numAnswer]) && $id == $my_choice[$numAnswer]) {
                                    $attributes = array('checked' => 1, 'selected' => 1);
                                } else {
                                    $attributes = array();
                                }
                                if ($debug_mark_answer) {
                                    if ($id == $answerCorrect) {
                                        $attributes['checked'] = 1;
                                        $attributes['selected'] = 1;
                                    }
                                }
                                $s .= Display::tag('td', Display::input('radio', 'choice[' . $questionId . '][' . $numAnswer . ']', $id, $attributes), array('style' => ''));
                            }
                        }
                        if ($show_comment) {
                            $s .= '<td>';
                            $s .= $comment;
                            $s .= '</td>';
                        }
                        $s .= '</tr>';
                    }
                } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION) {
                    // multiple answers
                    $input_id = 'choice-' . $questionId . '-' . $answerId;
                    if (in_array($numAnswer, $user_choice_array)) {
                        $attributes = array('id' => $input_id, 'checked' => 1, 'selected' => 1);
                    } else {
                        $attributes = array('id' => $input_id);
                    }
                    if ($debug_mark_answer) {
                        if ($answerCorrect) {
                            $attributes['checked'] = 1;
                            $attributes['selected'] = 1;
                        }
                    }
                    $answer = Security::remove_XSS($answer);
                    $answer_input = '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
                    $answer_input .= '<label class="checkbox">';
                    $answer_input .= Display::input('checkbox', 'choice[' . $questionId . '][' . $numAnswer . ']', 1, $attributes);
                    $answer_input .= $answer;
                    $answer_input .= '</label>';
                    if ($show_comment) {
                        $s .= '<tr>';
                        $s .= '<td>';
                        $s .= $answer_input;
                        $s .= '</td>';
                        $s .= '<td>';
                        $s .= $comment;
                        $s .= '</td>';
                        $s .= '</tr>';
                    } else {
                        $s .= $answer_input;
                    }
                } elseif ($answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
                    $s .= '<input type="hidden" name="choice2[' . $questionId . ']" value="0" />';
                    $my_choice = array();
                    if (!empty($user_choice_array)) {
                        foreach ($user_choice_array as $item) {
                            $item = explode(':', $item);
                            $my_choice[$item[0]] = $item[1];
                        }
                    }
                    $answer = Security::remove_XSS($answer);
                    $s .= '<tr>';
                    $s .= Display::tag('td', $answer);
                    foreach ($objQuestionTmp->options as $key => $item) {
                        if (isset($my_choice[$numAnswer]) && $key == $my_choice[$numAnswer]) {
                            $attributes = array('checked' => 1, 'selected' => 1);
                        } else {
                            $attributes = array();
                        }
                        if ($debug_mark_answer) {
                            if ($key == $answerCorrect) {
                                $attributes['checked'] = 1;
                                $attributes['selected'] = 1;
                            }
                        }
                        $s .= Display::tag('td', Display::input('radio', 'choice[' . $questionId . '][' . $numAnswer . ']', $key, $attributes));
                    }
                    if ($show_comment) {
                        $s .= '<td>';
                        $s .= $comment;
                        $s .= '</td>';
                    }
                    $s .= '</tr>';
                } elseif ($answerType == FILL_IN_BLANKS) {
                    list($answer) = explode('::', $answer);
                    //Correct answer
                    api_preg_match_all('/\\[[^]]+\\]/', $answer, $correct_answer_list);
                    //Student's answezr
                    if (isset($user_choice[0]['answer'])) {
                        api_preg_match_all('/\\[[^]]+\\]/', $user_choice[0]['answer'], $student_answer_list);
                        $student_answer_list = $student_answer_list[0];
                    }
                    //If debug
                    if ($debug_mark_answer) {
                        $student_answer_list = $correct_answer_list[0];
                    }
                    if (!empty($correct_answer_list) && !empty($student_answer_list)) {
                        $correct_answer_list = $correct_answer_list[0];
                        $i = 0;
                        foreach ($correct_answer_list as $correct_item) {
                            $value = null;
                            if (isset($student_answer_list[$i]) && !empty($student_answer_list[$i])) {
                                //Cleaning student answer list
                                $value = strip_tags($student_answer_list[$i]);
                                $value = api_substr($value, 1, api_strlen($value) - 2);
                                $value = explode('/', $value);
                                if (!empty($value[0])) {
                                    $value = str_replace('&nbsp;', '', trim($value[0]));
                                }
                                $correct_item = preg_quote($correct_item);
                                $correct_item = api_preg_replace('|/|', '\\/', $correct_item);
                                // to prevent error if there is a / in the text to find
                                $answer = api_preg_replace('/' . $correct_item . '/', Display::input('text', "choice[{$questionId}][]", $value), $answer, 1);
                            }
                            $i++;
                        }
                    } else {
                        $answer = api_preg_replace('/\\[[^]]+\\]/', Display::input('text', "choice[{$questionId}][]", '', $attributes), $answer);
                    }
                    $s .= $answer;
                } elseif ($answerType == MATCHING) {
                    // matching type, showing suggestions and answers
                    // TODO: replace $answerId by $numAnswer
                    if ($lines_count == 1) {
                        $s .= $objAnswerTmp->getJs();
                    }
                    if ($answerCorrect != 0) {
                        // only show elements to be answered (not the contents of
                        // the select boxes, who are correct = 0)
                        $s .= '<tr><td width="45%">';
                        $parsed_answer = $answer;
                        $windowId = $questionId . '_' . $lines_count;
                        //left part questions
                        $s .= ' <div id="window_' . $windowId . '" class="window window_left_question window' . $questionId . '_question">
                                    <b>' . $lines_count . '</b>.&nbsp' . $parsed_answer . '
                                </div>
                                </td>';
                        // middle part (matches selects)
                        $s .= '<td width="10%" align="center">&nbsp;&nbsp;';
                        $s .= '<div style="display:block">';
                        $s .= '<select id="window_' . $windowId . '_select" name="choice[' . $questionId . '][' . $numAnswer . ']">';
                        $selectedValue = 0;
                        // fills the list-box
                        $item = 0;
                        foreach ($select_items as $val) {
                            // set $debug_mark_answer to true at public static function start to
                            // show the correct answer with a suffix '-x'
                            $selected = '';
                            if ($debug_mark_answer) {
                                if ($val['id'] == $answerCorrect) {
                                    $selected = 'selected="selected"';
                                    $selectedValue = $val['id'];
                                }
                            }
                            if (isset($user_choice[$matching_correct_answer]) && $val['id'] == $user_choice[$matching_correct_answer]['answer']) {
                                $selected = 'selected="selected"';
                                $selectedValue = $val['id'];
                            }
                            //$s .= '<option value="'.$val['id'].'" '.$selected.'>'.$val['letter'].'</option>';
                            $s .= '<option value="' . $item . '" ' . $selected . '>' . $val['letter'] . '</option>';
                            $item++;
                        }
                        if (!empty($answerCorrect) && !empty($selectedValue)) {
                            $s .= '<script>
                                jsPlumb.ready(function() {
                                    jsPlumb.connect({
                                        source: "window_' . $windowId . '",
                                        target: "window_' . $questionId . '_' . $selectedValue . '_answer",
                                        endpoint:["Blank", { radius:15 }],
                                        anchor:["RightMiddle","LeftMiddle"],
                                        paintStyle:{ strokeStyle:"#8a8888" , lineWidth:8 },
                                        connector: [connectorType, { curviness: curvinessValue } ],
                                    })
                                });
                                </script>';
                        }
                        $s .= '</select></div></td>';
                        $s .= '<td width="45%" valign="top" >';
                        if (isset($select_items[$lines_count])) {
                            $s .= '<div id="window_' . $windowId . '_answer" class="window window_right_question">
                                    <b>' . $select_items[$lines_count]['letter'] . '.</b> ' . $select_items[$lines_count]['answer'] . '
                                  </div>';
                        } else {
                            $s .= '&nbsp;';
                        }
                        $s .= '</td>';
                        $s .= '</tr>';
                        $lines_count++;
                        //if the left side of the "matching" has been completely
                        // shown but the right side still has values to show...
                        if ($lines_count - 1 == $num_suggestions) {
                            // if it remains answers to shown at the right side
                            while (isset($select_items[$lines_count])) {
                                $s .= '<tr>
                                      <td colspan="2"></td>
                                      <td valign="top">';
                                $s .= '<b>' . $select_items[$lines_count]['letter'] . '.</b>';
                                $s .= $select_items[$lines_count]['answer'];
                                $s .= "</td>\n                                </tr>";
                                $lines_count++;
                            }
                            // end while()
                        }
                        // end if()
                        $matching_correct_answer++;
                    }
                } elseif ($answerType == DRAGGABLE) {
                    // matching type, showing suggestions and answers
                    // TODO: replace $answerId by $numAnswer
                    if ($answerCorrect != 0) {
                        // only show elements to be answered (not the contents of
                        // the select boxes, who are correct = 0)
                        $s .= '<td>';
                        $parsed_answer = $answer;
                        $windowId = $questionId . '_' . $numAnswer;
                        //67_293 - 67_294
                        //left part questions
                        $s .= '<li class="ui-state-default" id="' . $windowId . '">';
                        $s .= ' <div id="window_' . $windowId . '" class="window' . $questionId . '_question_draggable question_draggable">
                                   ' . $parsed_answer . '
                                </div>';
                        $s .= '<div style="display:none">';
                        $s .= '<select id="window_' . $windowId . '_select" name="choice[' . $questionId . '][' . $numAnswer . ']" class="select_option">';
                        $selectedValue = 0;
                        // fills the list-box
                        $item = 0;
                        foreach ($select_items as $val) {
                            // set $debug_mark_answer to true at function start to
                            // show the correct answer with a suffix '-x'
                            $selected = '';
                            if ($debug_mark_answer) {
                                if ($val['id'] == $answerCorrect) {
                                    $selected = 'selected="selected"';
                                    $selectedValue = $val['id'];
                                }
                            }
                            if (isset($user_choice[$matching_correct_answer]) && $val['id'] == $user_choice[$matching_correct_answer]['answer']) {
                                $selected = 'selected="selected"';
                                $selectedValue = $val['id'];
                            }
                            //$s .= '<option value="'.$val['id'].'" '.$selected.'>'.$val['letter'].'</option>';
                            $s .= '<option value="' . $item . '" ' . $selected . '>' . $val['letter'] . '</option>';
                            $item++;
                        }
                        $s .= '</select>';
                        if (!empty($answerCorrect) && !empty($selectedValue)) {
                            $s .= '<script>
                                $(function() {
                                    deleteItem($("#' . $questionId . '_' . $selectedValue . '"), $("#drop_' . $windowId . '"));
                                });
                                </script>';
                        }
                        if (isset($select_items[$lines_count])) {
                            $s .= '<div id="window_' . $windowId . '_answer" class="">
                                    <b>' . $select_items[$lines_count]['letter'] . '.</b> ' . $select_items[$lines_count]['answer'] . '
                                  </div>';
                        } else {
                            $s .= '&nbsp;';
                        }
                        $lines_count++;
                        //if the left side of the "matching" has been completely
                        // shown but the right side still has values to show...
                        if ($lines_count - 1 == $num_suggestions) {
                            // if it remains answers to shown at the right side
                            while (isset($select_items[$lines_count])) {
                                $s .= '<b>' . $select_items[$lines_count]['letter'] . '.</b>';
                                $s .= $select_items[$lines_count]['answer'];
                                $lines_count++;
                            }
                        }
                        $s .= '</div>';
                        $matching_correct_answer++;
                        $s .= '</li>';
                    }
                }
            }
            // end for()
            if ($show_comment) {
                $s .= '</table>';
            } else {
                if ($answerType == MATCHING || $answerType == UNIQUE_ANSWER_NO_OPTION || $answerType == MULTIPLE_ANSWER_TRUE_FALSE || $answerType == MULTIPLE_ANSWER_COMBINATION_TRUE_FALSE) {
                    $s .= '</table>';
                }
            }
            if ($answerType == DRAGGABLE) {
                $s .= '</ul><div class="clear"></div>';
                $counterAnswer = 1;
                foreach ($objAnswerTmp->answer as $answerId => $answer_item) {
                    $answerCorrect = $objAnswerTmp->isCorrect($answerId);
                    $windowId = $questionId . '_' . $counterAnswer;
                    if ($answerCorrect == 0) {
                        $s .= '<div id="drop_' . $windowId . '" class="droppable ui-state-default">' . $counterAnswer . '</div>';
                        $counterAnswer++;
                    }
                }
            }
            if ($answerType == MATCHING) {
                $s .= '</div>';
            }
            $s .= '</div>';
            // destruction of the Answer object
            unset($objAnswerTmp);
            // destruction of the Question object
            unset($objQuestionTmp);
            $html .= $s;
            return $html;
        } elseif ($answerType == HOT_SPOT || $answerType == HOT_SPOT_DELINEATION) {
            // Question is a HOT_SPOT
            //checking document/images visibility
            if (api_is_platform_admin() || api_is_course_admin()) {
                $course = api_get_course_info();
                $doc_id = DocumentManager::get_document_id($course, '/images/' . $pictureName);
                if (is_numeric($doc_id)) {
                    $images_folder_visibility = api_get_item_visibility($course, 'document', $doc_id, api_get_session_id());
                    if (!$images_folder_visibility) {
                        //This message is shown only to the course/platform admin if the image is set to visibility = false
                        Display::display_warning_message(get_lang('ChangeTheVisibilityOfTheCurrentImage'));
                    }
                }
            }
            $questionName = $objQuestionTmp->selectTitle();
            $questionDescription = $objQuestionTmp->selectDescription();
            if ($freeze) {
                $s .= Display::img($objQuestionTmp->selectPicturePath());
                $html .= $s;
                return $html;
            }
            // Get the answers, make a list
            $objAnswerTmp = new Answer($questionId);
            // get answers of hotpost
            $answers_hotspot = array();
            foreach ($objAnswerTmp->answer as $answerId => $answer_item) {
                //$answers = $objAnswerTmp->selectAnswerByAutoId($objAnswerTmp->selectAutoId($answerId));
                $answers_hotspot[$answerId] = $objAnswerTmp->selectAnswer($answerId);
            }
            // display answers of hotpost order by id
            $answer_list = '<div style="padding: 10px; margin-left: 0px; border: 1px solid #A4A4A4; height: 408px; width: 200px;"><b>' . get_lang('HotspotZones') . '</b><dl>';
            if (!empty($answers_hotspot)) {
                ksort($answers_hotspot);
                foreach ($answers_hotspot as $key => $value) {
                    $answer_list .= '<dt>' . $key . '.- ' . $value . '</dt><br />';
                }
            }
            $answer_list .= '</dl></div>';
            if ($answerType == HOT_SPOT_DELINEATION) {
                $answer_list = '';
                $swf_file = 'hotspot_delineation_user';
                $swf_height = 405;
            } else {
                $swf_file = 'hotspot_user';
                $swf_height = 436;
            }
            if (!$only_questions) {
                if ($show_title) {
                    $html .= TestCategory::getCategoryNamesForQuestion($objQuestionTmp->id);
                    $html .= '<div class="question_title">' . $current_item . '. ' . $questionName . '</div>';
                    $html .= $questionDescription;
                } else {
                    $html .= '<div class="media">';
                    $html .= '<div class="pull-left">';
                    $html .= '<div class="media-object">';
                    $html .= Display::div($current_item . '. ', array('class' => 'question_no_title'));
                    $html .= '</div>';
                    $html .= '</div>';
                    $html .= '<div class="media-body">';
                    if (!empty($questionDescription)) {
                        $html .= Display::div($questionDescription, array('class' => 'question_description'));
                    }
                    $html .= '</div>';
                    $html .= '</div>';
                }
                //@todo I need to the get the feedback type
                $html .= '<input type="hidden" name="hidden_hotspot_id" value="' . $questionId . '" />';
                $html .= '<table class="exercise_questions">
                           <tr>
                            <td valign="top" colspan="2">';
                $html .= '</td></tr>';
            }
            $canClick = isset($_GET['editQuestion']) ? '0' : (isset($_GET['modifyAnswers']) ? '0' : '1');
            $s .= ' <script type="text/javascript" src="../plugin/hotspot/JavaScriptFlashGateway.js"></script>
                    <script src="../plugin/hotspot/hotspot.js" type="text/javascript" ></script>
                    <script type="text/javascript">
                    <!--
                    // Globals
                    // Major version of Flash required
                    var requiredMajorVersion = 7;
                    // Minor version of Flash required
                    var requiredMinorVersion = 0;
                    // Minor version of Flash required
                    var requiredRevision = 0;
                    // the version of javascript supported
                    var jsVersion = 1.0;
                    // -->
                    </script>
                    <script language="VBScript" type="text/vbscript">
                    <!-- // Visual basic helper required to detect Flash Player ActiveX control version information
                    Function VBGetSwfVer(i)
                      on error resume next
                      Dim swControl, swVersion
                      swVersion = 0

                      set swControl = CreateObject("ShockwaveFlash.ShockwaveFlash." + CStr(i))
                      if (IsObject(swControl)) then
                        swVersion = swControl.GetVariable("$version")
                      end if
                      VBGetSwfVer = swVersion
                    End Function
                    // -->
                    </script>

                    <script language="JavaScript1.1" type="text/javascript">
                    <!-- // Detect Client Browser type
                    var isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
                    var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
                    var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;
                    jsVersion = 1.1;
                    // JavaScript helper required to detect Flash Player PlugIn version information
                    function JSGetSwfVer(i) {
                        // NS/Opera version >= 3 check for Flash plugin in plugin array
                        if (navigator.plugins != null && navigator.plugins.length > 0) {
                            if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
                                var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
                                var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
                                descArray = flashDescription.split(" ");
                                tempArrayMajor = descArray[2].split(".");
                                versionMajor = tempArrayMajor[0];
                                versionMinor = tempArrayMajor[1];
                                if ( descArray[3] != "" ) {
                                    tempArrayMinor = descArray[3].split("r");
                                } else {
                                    tempArrayMinor = descArray[4].split("r");
                                }
                                versionRevision = tempArrayMinor[1] > 0 ? tempArrayMinor[1] : 0;
                                flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
                            } else {
                                flashVer = -1;
                            }
                        }
                        // MSN/WebTV 2.6 supports Flash 4
                        else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
                        // WebTV 2.5 supports Flash 3
                        else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
                        // older WebTV supports Flash 2
                        else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
                        // Can\'t detect in all other cases
                        else {
                            flashVer = -1;
                        }
                        return flashVer;
                    }
                    // When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available

                    function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision) {
                        reqVer = parseFloat(reqMajorVer + "." + reqRevision);
                        // loop backwards through the versions until we find the newest version
                        for (i=25;i>0;i--) {
                            if (isIE && isWin && !isOpera) {
                                versionStr = VBGetSwfVer(i);
                            } else {
                                versionStr = JSGetSwfVer(i);
                            }
                            if (versionStr == -1 ) {
                                return false;
                            } else if (versionStr != 0) {
                                if(isIE && isWin && !isOpera) {
                                    tempArray         = versionStr.split(" ");
                                    tempString        = tempArray[1];
                                    versionArray      = tempString .split(",");
                                } else {
                                    versionArray      = versionStr.split(".");
                                }
                                versionMajor      = versionArray[0];
                                versionMinor      = versionArray[1];
                                versionRevision   = versionArray[2];

                                versionString     = versionMajor + "." + versionRevision;   // 7.0r24 == 7.24
                                versionNum        = parseFloat(versionString);
                                // is the major.revision >= requested major.revision AND the minor version >= requested minor
                                if ( (versionMajor > reqMajorVer) && (versionNum >= reqVer) ) {
                                    return true;
                                } else {
                                    return ((versionNum >= reqVer && versionMinor >= reqMinorVer) ? true : false );
                                }
                            }
                        }
                    }
                    // -->
                    </script>';
            $s .= '<tr><td valign="top" colspan="2" width="520"><table><tr><td width="520">
                    <script>
                        // Version check based upon the values entered above in "Globals"
                        var hasReqestedVersion = DetectFlashVer(requiredMajorVersion, requiredMinorVersion, requiredRevision);

                        // Check to see if the version meets the requirements for playback
                        if (hasReqestedVersion) {  // if we\'ve detected an acceptable version
                            var oeTags = \'<object type="application/x-shockwave-flash" data="../plugin/hotspot/' . $swf_file . '.swf?modifyAnswers=' . $questionId . '&amp;canClick:' . $canClick . '" width="600" height="' . $swf_height . '">\'
                                        + \'<param name="wmode" value="transparent">\'
                                        + \'<param name="movie" value="../plugin/hotspot/' . $swf_file . '.swf?modifyAnswers=' . $questionId . '&amp;canClick:' . $canClick . '" />\'
                                        + \'<\\/object>\';
                            document.write(oeTags);   // embed the Flash Content SWF when all tests are passed
                        } else {  // flash is too old or we can\'t detect the plugin
                            var alternateContent = "Error<br \\/>"
                                + "Hotspots requires Macromedia Flash 7.<br \\/>"
                                + "<a href=\\"http://www.macromedia.com/go/getflash/\\">Get Flash<\\/a>";
                            document.write(alternateContent);  // insert non-flash content
                        }
                    </script>
                    </td>
                    <td valign="top" align="left">' . $answer_list . '</td></tr>
                    </table>
            </td></tr>';
            $html .= $s;
            $html .= '</table>';
            return $html;
        }
        return $nbrAnswers;
    }
}
foreach ($result as $item) {
    $column = 0;
    $table->setCellContents($row, $column, $item['option_display_text']);
    $column++;
    $value = null;
    foreach ($result as $itemCol) {
        $id = 'extra_field_status_' . $item['id'] . '_' . $itemCol['id'];
        $idForm = 'extra_field_status[' . $item['id'] . '][' . $itemCol['id'] . ']';
        $attributes = array('onclick' => 'setHidden(this)');
        $value = 0;
        if (isset($includedFields[$itemCol['id']]) && in_array($item['id'], $includedFields[$itemCol['id']])) {
            $value = 1;
            $attributes['checked'] = 'checked';
        }
        $element = Display::input('checkbox', $id, null, $attributes);
        $table->setCellContents($row, $column, $element);
        $form->addElement('hidden', 'hidden_' . $idForm, $value, array('id' => 'hidden_' . $id));
        $column++;
    }
    $row++;
}
if (!empty($roleId)) {
    $form->addElement('html', $table->toHtml());
    $group = array();
    $group[] = $form->createElement('button', 'submit', get_lang('Save'));
    $group[] = $form->createElement('button', 'select_all', get_lang('SelectAll'), array('class' => 'btn select_all'));
    $group[] = $form->createElement('button', 'unselect_all', get_lang('UnSelectAll'), array('class' => 'btn unselect_all'));
    $form->addGroup($group, '', null, ' ');
    $form->setDefaults(array('status' => $roleId));
} else {
Example #11
0
     // Shows the question and its answers
     ExerciseLib::showQuestion($questionId, false, $origin, $i, true, false, $user_choice, false);
     // Button save and continue
     switch ($objExercise->type) {
         case ONE_PER_PAGE:
             $exercise_actions .= $objExercise->show_button($questionId, $current_question);
             break;
         case ALL_ON_ONE_PAGE:
             $button = '<a href="javascript://" class="btn btn-info" onclick="save_now(\'' . $questionId . '\'); ">' . get_lang('SaveForNow') . '</a>';
             $button .= '<span id="save_for_now_' . $questionId . '"></span>&nbsp;';
             $exercise_actions .= Display::div($button, array('class' => 'exercise_save_now_button'));
             break;
     }
     // Checkbox review answers
     if ($objExercise->review_answers) {
         $remind_question_div = Display::tag('label', Display::input('checkbox', 'remind_list[' . $questionId . ']', '', $attributes) . get_lang('ReviewQuestionLater'), array('class' => 'checkbox', 'for' => 'remind_list[' . $questionId . ']'));
         $exercise_actions .= Display::div($remind_question_div, array('class' => 'exercise_save_now_button'));
     }
     echo Display::div($exercise_actions, array('class' => 'form-actions'));
     echo '</div>';
     $i++;
     // for sequential exercises
     if ($objExercise->type == ONE_PER_PAGE) {
         // quits the loop
         break;
     }
 }
 // end foreach()
 if ($objExercise->type == ALL_ON_ONE_PAGE) {
     $exercise_actions = $objExercise->show_button($questionId, $current_question);
     echo Display::div($exercise_actions, array('class' => 'exercise_actions'));
 /**
  * @Route("/score-attempt/{exeId}/jury/{juryId}")
  * @Method({"GET"})
  */
 public function scoreAttemptAction($exeId, $juryId)
 {
     $userId = $this->getUser()->getUserId();
     $trackExercise = \ExerciseLib::get_exercise_track_exercise_info($exeId);
     if (empty($trackExercise)) {
         $this->createNotFoundException();
     }
     /** @var \Chamilo\CoreBundle\Entity\Jury $jury */
     $jury = $this->getRepository()->find($juryId);
     if (empty($jury)) {
         $this->createNotFoundException('Jury does not exists');
     }
     if ($jury->getExerciseId() != $trackExercise['exe_exo_id']) {
         $this->createNotFoundException('Exercise attempt is not related with this jury.');
     }
     $members = $jury->getMembers();
     $criteria = Criteria::create()->where(Criteria::expr()->eq("userId", $userId))->setFirstResult(0)->setMaxResults(1);
     /** @var JuryMembers $member */
     $member = $members->matching($criteria)->first();
     if (empty($member)) {
         $this->createNotFoundException('You are not part of the jury.');
     }
     $students = $member->getStudents();
     $criteria = Criteria::create()->where(Criteria::expr()->eq("userId", $trackExercise['exe_user_id']))->setFirstResult(0)->setMaxResults(1);
     /** @var JuryMembers $member */
     $student = $students->matching($criteria)->first();
     if (empty($student)) {
         $this->createNotFoundException('You are not assigned to this user.');
     }
     // Setting member only for president.
     if ($this->isGranted('ROLE_JURY_PRESIDENT')) {
         // Relating user with president
         if ($member) {
             $this->getManager()->getRepository('Chamilo\\CoreBundle\\Entity\\JuryMembers')->assignUserToJuryMember($trackExercise['exe_user_id'], $member->getId());
         }
     }
     $questionScoreTypeModel = array();
     $criteria = array('exeId' => $exeId, 'juryUserId' => $userId);
     $trackJury = $this->getManager()->getRepository('Chamilo\\CoreBundle\\Entity\\TrackAttemptJury')->findBy($criteria);
     if ($trackJury) {
         $this->get('session')->getFlashBag()->add('info', "You already review this exercise attempt.");
         /** @var TrackAttemptJury $track */
         foreach ($trackJury as $track) {
             $questionScoreTypeModel[$track->getQuestionId()] = $track->getQuestionScoreNameId();
         }
     }
     $questionList = explode(',', $trackExercise['data_tracking']);
     $exerciseResult = \ExerciseLib::getExerciseResult($trackExercise);
     $counter = 1;
     $objExercise = new \Exercise($trackExercise['c_id']);
     $objExercise->read($trackExercise['exe_exo_id']);
     $totalScore = $totalWeighting = 0;
     $show_media = true;
     $tempParentId = null;
     $mediaCounter = 0;
     $media_list = array();
     $modelType = $objExercise->getScoreTypeModel();
     $options = array();
     if ($modelType) {
         /** @var \Chamilo\CoreBundle\Entity\QuestionScore $questionScoreName */
         $questionScore = $this->get('orm.em')->getRepository('Chamilo\\CoreBundle\\Entity\\QuestionScore')->find($modelType);
         if ($questionScore) {
             $items = $questionScore->getItems();
             /** @var \Chamilo\CoreBundle\Entity\QuestionScoreName  $score */
             foreach ($items as $score) {
                 $options[$score->getId() . ':' . $score->getScore()] = $score;
             }
         }
     } else {
         return $this->createNotFoundException('The exercise does not contain a model type.');
     }
     $exerciseContent = null;
     foreach ($questionList as $questionId) {
         ob_start();
         $choice = isset($exerciseResult[$questionId]) ? $exerciseResult[$questionId] : null;
         // Creates a temporary Question object
         /** @var \Question $objQuestionTmp */
         $objQuestionTmp = \Question::read($questionId);
         if ($objQuestionTmp->parent_id != 0) {
             if (!in_array($objQuestionTmp->parent_id, $media_list)) {
                 $media_list[] = $objQuestionTmp->parent_id;
                 $show_media = true;
             }
             if ($tempParentId == $objQuestionTmp->parent_id) {
                 $mediaCounter++;
             } else {
                 $mediaCounter = 0;
             }
             $counterToShow = chr(97 + $mediaCounter);
             $tempParentId = $objQuestionTmp->parent_id;
         }
         $questionWeighting = $objQuestionTmp->selectWeighting();
         $answerType = $objQuestionTmp->selectType();
         $question_result = $objExercise->manageAnswers($exeId, $questionId, $choice, 'exercise_show', array(), false, true, true);
         $questionScore = $question_result['score'];
         $totalScore += $question_result['score'];
         $my_total_score = $questionScore;
         $my_total_weight = $questionWeighting;
         $totalWeighting += $questionWeighting;
         $score = array();
         $score['result'] = get_lang('Score') . " : " . \ExerciseLib::show_score($my_total_score, $my_total_weight, false, false);
         $score['pass'] = $my_total_score >= $my_total_weight ? true : false;
         $score['type'] = $answerType;
         $score['score'] = $my_total_score;
         $score['weight'] = $my_total_weight;
         $score['comments'] = isset($comnt) ? $comnt : null;
         $contents = ob_get_clean();
         $question_content = '<div class="question_row">';
         $question_content .= $objQuestionTmp->return_header($objExercise->feedback_type, $counter, $score, $show_media, $mediaCounter);
         $question_content .= '</table>';
         // display question category, if any
         $question_content .= \Testcategory::getCategoryNamesForQuestion($questionId);
         $question_content .= $contents;
         $defaultValue = isset($questionScoreTypeModel[$questionId]) ? $questionScoreTypeModel[$questionId] : null;
         //$question_content .= \Display::select('options['.$questionId.']', $options, $defaultValue);
         foreach ($options as $value => $score) {
             $attributes = array();
             if ($score->getId() == $defaultValue) {
                 $attributes = array('checked' => 'checked');
             }
             $question_content .= '<label>';
             $question_content .= \Display::input('radio', 'options[' . $questionId . ']', $value, $attributes) . ' <span title="' . $score->getDescription() . '" data-toggle="tooltip" > ' . $score->getName() . ' </span>';
             $question_content .= '</label>';
         }
         $question_content .= '</div>';
         $exerciseContent .= $question_content;
         $counter++;
     }
     $template = $this->get('template');
     $template->assign('exercise', $exerciseContent);
     $template->assign('exe_id', $exeId);
     $template->assign('jury_id', $juryId);
     $response = $this->get('template')->render_template($this->getTemplatePath() . 'score_attempt.tpl');
     return new Response($response, 200, array());
 }
                <div class="well">
                    <ul class="nav nav-list">
                        <li class="nav-header"><?php echo get_lang('Sessions'); ?></li>
                        <li>
                            <?php if ($action == 'display_sessions' && $_SERVER['REQUEST_METHOD'] != 'POST') { ?>
                                <strong><?php echo get_lang('Sessions'); ?></strong>
                            <?php } else { ?>
                                <a href="<?php echo getCourseCategoryUrl(1, $pageLength, null, 0, 'display_sessions'); ?>"><?php echo get_lang('SessionList'); ?></a>
                            <?php } ?>
                        </li>
                        <li class="nav-header"><?php echo get_lang('SearchActiveSessions') ?></li>
                        <form class="form-search" method="post" action="<?php echo getCourseCategoryUrl(1, $pageLength, null, 0, 'display_sessions'); ?>">
                            <div class="input-append">
                                <?php echo Display::input('date', 'date', $date, array(
                                    'class' => 'span2',
                                    'id' => 'date',
                                    'readonly' => ''
                                )); ?>
                                <button class="btn" type="submit"><?php echo get_lang('Search'); ?></button>
                            </div>
                        </form>
                    </ul>
                </div>
            <?php } ?>
        </div>

        <div class="span9">
            <div class="page-header">
                <h2><?php echo get_lang('CourseCatalog')?></h2>
            </div>
            <?php if ($showCourses && $action != 'display_sessions') { ?>