/** * Return information about the answer * @param string $userAnswer the text of the answer of the question * @param bool $isStudentAnswer true if it's a student answer false the empty question model * * @return array of information about the answer */ public static function getAnswerInfo($userAnswer = "", $isStudentAnswer = false) { $listAnswerResults = array(); $listAnswerResults['text'] = ""; $listAnswerResults['wordsCount'] = 0; $listAnswerResults['tabwordsbracket'] = array(); $listAnswerResults['tabwords'] = array(); $listAnswerResults['tabweighting'] = array(); $listAnswerResults['tabinputsize'] = array(); $listAnswerResults['switchable'] = ""; $listAnswerResults['studentanswer'] = array(); $listAnswerResults['studentscore'] = array(); $listAnswerResults['blankseparatornumber'] = 0; $listDoubleColon = array(); api_preg_match("/(.*)::(.*)\$/s", $userAnswer, $listResult); if (count($listResult) < 2) { $listDoubleColon[] = ''; $listDoubleColon[] = ''; } else { $listDoubleColon[] = $listResult[1]; $listDoubleColon[] = $listResult[2]; } $listAnswerResults['systemstring'] = $listDoubleColon[1]; // make sure we only take the last bit to find special marks $listArobaseSplit = explode('@', $listDoubleColon[1]); if (count($listArobaseSplit) < 2) { $listArobaseSplit[1] = ""; } // take the complete string except after the last '::' $listDetails = explode(":", $listArobaseSplit[0]); // < number of item after the ::[score]:[size]:[separator_id]@ , here there are 3 if (count($listDetails) < 3) { $listWeightings = explode(',', $listDetails[0]); $listSizeOfInput = array(); for ($i = 0; $i < count($listWeightings); $i++) { $listSizeOfInput[] = 200; } $blankSeparatorNumber = 0; // 0 is [...] } else { $listWeightings = explode(',', $listDetails[0]); $listSizeOfInput = explode(',', $listDetails[1]); $blankSeparatorNumber = $listDetails[2]; } $listAnswerResults['text'] = $listDoubleColon[0]; $listAnswerResults['tabweighting'] = $listWeightings; $listAnswerResults['tabinputsize'] = $listSizeOfInput; $listAnswerResults['switchable'] = $listArobaseSplit[1]; $listAnswerResults['blankseparatorstart'] = self::getStartSeparator($blankSeparatorNumber); $listAnswerResults['blankseparatorend'] = self::getEndSeparator($blankSeparatorNumber); $listAnswerResults['blankseparatornumber'] = $blankSeparatorNumber; $blankCharStart = self::getStartSeparator($blankSeparatorNumber); $blankCharEnd = self::getEndSeparator($blankSeparatorNumber); $blankCharStartForRegexp = self::escapeForRegexp($blankCharStart); $blankCharEndForRegexp = self::escapeForRegexp($blankCharEnd); // get all blanks words $listAnswerResults['wordsCount'] = api_preg_match_all('/' . $blankCharStartForRegexp . '[^' . $blankCharEndForRegexp . ']*' . $blankCharEndForRegexp . '/', $listDoubleColon[0], $listWords); if ($listAnswerResults['wordsCount'] > 0) { $listAnswerResults['tabwordsbracket'] = $listWords[0]; // remove [ and ] in string array_walk($listWords[0], function (&$value, $key, $tabBlankChar) { $trimChars = ""; for ($i = 0; $i < count($tabBlankChar); $i++) { $trimChars .= $tabBlankChar[$i]; } $value = trim($value, $trimChars); }, array($blankCharStart, $blankCharEnd)); $listAnswerResults['tabwords'] = $listWords[0]; } // get all common words $commonWords = api_preg_replace('/' . $blankCharStartForRegexp . '[^' . $blankCharEndForRegexp . ']*' . $blankCharEndForRegexp . '/', "::", $listDoubleColon[0]); // if student answer, the second [] is the student answer, // the third is if student scored or not $listBrackets = array(); $listWords = array(); if ($isStudentAnswer) { for ($i = 0; $i < count($listAnswerResults['tabwords']); $i++) { $listBrackets[] = $listAnswerResults['tabwordsbracket'][$i]; $listWords[] = $listAnswerResults['tabwords'][$i]; if ($i + 1 < count($listAnswerResults['tabwords'])) { // should always be $i++; } $listAnswerResults['studentanswer'][] = $listAnswerResults['tabwords'][$i]; if ($i + 1 < count($listAnswerResults['tabwords'])) { // should always be $i++; } $listAnswerResults['studentscore'][] = $listAnswerResults['tabwords'][$i]; } $listAnswerResults['tabwords'] = $listWords; $listAnswerResults['tabwordsbracket'] = $listBrackets; // if we are in student view, we've got 3 times :::::: for common words $commonWords = api_preg_replace("/::::::/", "::", $commonWords); } $listAnswerResults['commonwords'] = explode("::", $commonWords); return $listAnswerResults; }
public function fill_in_blank_answer_to_array($answer) { api_preg_match_all('/\\[[^]]+\\]/', $answer, $teacher_answer_list); $teacher_answer_list = $teacher_answer_list[0]; return $teacher_answer_list; }
/** * 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 . '. ' . $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"> </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'] . '. ' . $select_items[$lines_count]['answer'] . '</p></div>'; } else { $s .= ' '; } $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 .= ' '; } $lines_count++; if ($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 .= ' '; } $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; }
/** * 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 . '. ' . $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"> </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'] . '. ' . $select_items[$lines_count]['answer'] . '</p></div>'; } else { $s .= ' '; } $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 .= ' '; } $lines_count++; if ($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 .= ' '; } $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; }
/** * 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 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>. </span> <span style="float:left; width:92%;">' . $parsed_answer . '</span></td>'; //middle part (matches selects) $s .= '<td width="10%" valign="top" align="center"> <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 .= ' '; } $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 . '&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; }
/** * 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])) { $value = str_replace(' ', '', trim($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>. ' . $parsed_answer . ' </div> </td>'; // middle part (matches selects) $s .= '<td width="10%" align="center"> '; $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 .= ' '; } $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 .= ' '; } $lines_count++; //if the left side of the "matching" has been completely // shown but the right side still has values to show... if ($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 . '&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>'; $html .= $s; $html .= '</table>'; return $html; } return $nbrAnswers; }