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- <?php
- /* For licensing terms, see /license.txt */
- /**
- * Class MultipleAnswerTrueFalseDegreeCertainty
- * This class allows to instantiate an object of type MULTIPLE_ANSWER
- * (MULTIPLE CHOICE, MULTIPLE ANSWER), extending the class question.
- *
- * @package chamilo.exercise
- */
- class MultipleAnswerTrueFalseDegreeCertainty extends Question
- {
- const LEVEL_DARKGREEN = 1;
- const LEVEL_LIGHTGREEN = 2;
- const LEVEL_WHITE = 3;
- const LEVEL_LIGHTRED = 4;
- const LEVEL_DARKRED = 5;
- public static $typePicture = 'mccert.png';
- public static $explanationLangVar = 'MultipleAnswerTrueFalseDegreeCertainty';
- public $optionsTitle;
- public $options;
- /**
- * Constructor.
- */
- public function __construct()
- {
- parent::__construct();
- $this->type = MULTIPLE_ANSWER_TRUE_FALSE_DEGREE_CERTAINTY;
- $this->isContent = $this->getIsContent();
- $this->optionsTitle = [1 => 'Answers', 2 => 'DegreeOfCertaintyThatMyAnswerIsCorrect'];
- $this->options = [
- 1 => 'True',
- 2 => 'False',
- 3 => '50%',
- 4 => '60%',
- 5 => '70%',
- 6 => '80%',
- 7 => '90%',
- 8 => '100%',
- ];
- }
- /**
- * Redefines Question::createAnswersForm: creates the HTML form to answer the question
- * @param FormValidator $form
- * @throws \Exception
- * @uses globals $text and $class, defined in the calling script
- */
- public function createAnswersForm($form)
- {
- global $text, $class;
- $nbAnswers = isset($_POST['nb_answers']) ? (int) $_POST['nb_answers'] : 4;
- // The previous default value was 2. See task #1759.
- $nbAnswers += (isset($_POST['lessAnswers']) ? -1 : (isset($_POST['moreAnswers']) ? 1 : 0));
- $courseId = api_get_course_int_id();
- $objEx = $_SESSION['objExercise'];
- $renderer = &$form->defaultRenderer();
- $defaults = [];
- $html = '<table class="data_table"><tr style="text-align: center;"><th>'
- .get_lang('Number')
- .'</th><th>'
- .get_lang('True')
- .'</th><th>'
- .get_lang('False')
- .'</th><th>'
- .get_lang('Answer')
- .'</th>';
- // show column comment when feedback is enable
- if ($objEx->selectFeedbackType() != EXERCISE_FEEDBACK_TYPE_EXAM) {
- $html .= '<th>'.get_lang('Comment').'</th>';
- }
- $html .= '</tr>';
- $form->addElement('label', get_lang('Answers').'<br /> <img src="../img/fill_field.png">', $html);
- $correct = 0;
- $answer = null;
- if (!empty($this->id)) {
- $answer = new Answer($this->id);
- $answer->read();
- if (count($answer->nbrAnswers) > 0 && !$form->isSubmitted()) {
- $nbAnswers = $answer->nbrAnswers;
- }
- }
- $form->addElement('hidden', 'nb_answers');
- $boxesNames = [];
- if ($nbAnswers < 1) {
- $nbAnswers = 1;
- echo Display::return_message(get_lang('YouHaveToCreateAtLeastOneAnswer'));
- }
- // Can be more options
- $optionData = Question::readQuestionOption($this->id, $courseId);
- for ($i = 1; $i <= $nbAnswers; ++$i) {
- $renderer->setElementTemplate(
- '<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
- 'correct['.$i.']'
- );
- $renderer->setElementTemplate(
- '<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
- 'counter['.$i.']'
- );
- $renderer->setElementTemplate(
- '<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
- 'answer['.$i.']'
- );
- $renderer->setElementTemplate(
- '<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
- 'comment['.$i.']'
- );
- $answerNumber = $form->addElement('text', 'counter['.$i.']', null, 'value="'.$i.'"');
- $answerNumber->freeze();
- if (is_object($answer)) {
- $defaults['answer['.$i.']'] = $answer->answer[$i];
- $defaults['comment['.$i.']'] = $answer->comment[$i];
- $defaults['weighting['.$i.']'] = float_format($answer->weighting[$i], 1);
- $correct = $answer->correct[$i];
- $defaults['correct['.$i.']'] = $correct;
- $j = 1;
- if (!empty($optionData)) {
- foreach ($optionData as $id => $data) {
- $form->addElement('radio', 'correct['.$i.']', null, null, $id);
- $j++;
- if ($j == 3) {
- break;
- }
- }
- }
- } else {
- $form->addElement('radio', 'correct['.$i.']', null, null, 1);
- $form->addElement('radio', 'correct['.$i.']', null, null, 2);
- $defaults['answer['.$i.']'] = '';
- $defaults['comment['.$i.']'] = '';
- $defaults['correct['.$i.']'] = '';
- }
- $boxesNames[] = 'correct['.$i.']';
- $form->addElement(
- 'html_editor',
- 'answer['.$i.']',
- null,
- ['style' => 'vertical-align:middle;'],
- ['ToolbarSet' => 'TestProposedAnswer', 'Width' => '100%', 'Height' => '100']);
- $form->addRule('answer['.$i.']', get_lang('ThisFieldIsRequired'), 'required');
- // show comment when feedback is enable
- if ($objEx->selectFeedbackType() != EXERCISE_FEEDBACK_TYPE_EXAM) {
- $form->addElement('html_editor',
- 'comment['.$i.']',
- null,
- ['style' => 'vertical-align:middle;'],
- ['ToolbarSet' => 'TestProposedAnswer', 'Width' => '100%', 'Height' => '100']);
- }
- $form->addElement('html', '</tr>');
- }
- $form->addElement('html', '</table>');
- $form->addElement('html', '<br />');
- // 3 scores
- $form->addElement('text', 'option[1]', get_lang('Correct'), ['class' => 'span1', 'value' => '1']);
- $form->addElement('text', 'option[2]', get_lang('Wrong'), ['class' => 'span1', 'value' => '-0.5']);
- $form->addElement('hidden', 'option[3]', 0);
- $form->addRule('option[1]', get_lang('ThisFieldIsRequired'), 'required');
- $form->addRule('option[2]', get_lang('ThisFieldIsRequired'), 'required');
- $form->addElement('html', '</tr><table>');
- $form->addElement('hidden', 'options_count', 3);
- $form->addElement('html', '</table><br /><br />');
- //Extra values True, false, Dont known
- if (!empty($this->extra)) {
- $scores = explode(':', $this->extra);
- if (!empty($scores)) {
- for ($i = 1; $i <= 3; $i++) {
- $defaults['option['.$i.']'] = $scores[$i - 1];
- }
- }
- }
- if ($objEx->edit_exercise_in_lp == true) {
- $form->addElement('submit', 'lessAnswers', get_lang('LessAnswer'), 'class="btn minus"');
- $form->addElement('submit', 'moreAnswers', get_lang('PlusAnswer'), 'class="btn plus"');
- //$text and $class defined in calling script
- $form->addElement('submit', 'submitQuestion', $text, 'class="'.$class.'"');
- }
- $renderer->setElementTemplate('{element} ', 'lessAnswers');
- $renderer->setElementTemplate('{element} ', 'submitQuestion');
- $renderer->setElementTemplate('{element} ', 'moreAnswers');
- $form->addElement('html', '</div></div>');
- $defaults['correct'] = $correct;
- if (!empty($this->id)) {
- $form->setDefaults($defaults);
- } else {
- //if ($this -> isContent == 1) {
- $form->setDefaults($defaults);
- //}
- }
- $form->setConstants(['nb_answers' => $nbAnswers]);
- }
- /**
- * abstract function which creates the form to create / edit the answers of the question.
- *
- * @param FormValidator $form
- * @param Exercise $exercise
- */
- public function processAnswersCreation($form, $exercise)
- {
- $questionWeighting = $nbrGoodAnswers = 0;
- $objAnswer = new Answer($this->id);
- $nbAnswers = $form->getSubmitValue('nb_answers');
- $courseId = api_get_course_int_id();
- $correct = [];
- $options = Question::readQuestionOption($this->id, $courseId);
- if (!empty($options)) {
- foreach ($options as $optionData) {
- $id = $optionData['id'];
- unset($optionData['id']);
- Question::updateQuestionOption($id, $optionData, $courseId);
- }
- } else {
- for ($i = 1; $i <= 8; $i++) {
- $lastId = Question::saveQuestionOption($this->id, $this->options[$i], $courseId, $i);
- $correct[$i] = $lastId;
- }
- }
- /* Getting quiz_question_options (true, false, doubt) because
- it's possible that there are more options in the future */
- $newOptions = Question::readQuestionOption($this->id, $courseId);
- $sortedByPosition = [];
- foreach ($newOptions as $item) {
- $sortedByPosition[$item['position']] = $item;
- }
- /* Saving quiz_question.extra values that has the correct scores of
- the true, false, doubt options registered in this format
- XX:YY:ZZZ where XX is a float score value. */
- $extraValues = [];
- for ($i = 1; $i <= 3; $i++) {
- $score = trim($form->getSubmitValue('option['.$i.']'));
- $extraValues[] = $score;
- }
- $this->setExtra(implode(':', $extraValues));
- for ($i = 1; $i <= $nbAnswers; $i++) {
- $answer = trim($form->getSubmitValue('answer['.$i.']'));
- $comment = trim($form->getSubmitValue('comment['.$i.']'));
- $goodAnswer = trim($form->getSubmitValue('correct['.$i.']'));
- if (empty($options)) {
- //If this is the first time that the question is created when change the default values from the form 1 and 2 by the correct "option id" registered
- $goodAnswer = $sortedByPosition[$goodAnswer]['id'];
- }
- $questionWeighting += $extraValues[0]; //By default 0 has the correct answers
- $objAnswer->createAnswer($answer, $goodAnswer, $comment, '', $i);
- }
- // saves the answers into the data base
- $objAnswer->save();
- // sets the total weighting of the question
- $this->updateWeighting($questionWeighting);
- $this->save($exercise);
- }
- /**
- * Show result table headers
- * @param int $feedbackType
- * @param int $counter
- * @param float $score
- *
- * @return null|string
- */
- public function return_header($feedbackType = null, $counter = null, $score = null)
- {
- $header = parent::return_header($feedbackType, $counter, $score);
- $header .= '<table class="'
- .$this->question_table_class
- .'"><tr><th>'
- .get_lang("Choice")
- .'</th><th>'
- .get_lang("ExpectedChoice")
- .'</th><th>'
- .get_lang("Answer")
- .'</th><th>'
- .get_lang("YourDegreeOfCertainty")
- .'</th><th> </th>'
- ;
- if ($feedbackType != EXERCISE_FEEDBACK_TYPE_EXAM) {
- $header .= '<th>'.get_lang("Comment").'</th>';
- } else {
- $header .= '<th> </th>';
- }
- $header .= '</tr>';
- return $header;
- }
- /**
- * Method to recovery color to show by precision of the student's answer.
- *
- * @param $studentAnwser
- * @param $expectedAnswer
- * @param $studentDegreeChoicePosition
- *
- * @return string
- */
- public function getColorResponse($studentAnwser, $expectedAnswer, $studentDegreeChoicePosition)
- {
- $checkResult = ($studentAnwser == $expectedAnswer) ? true : false;
- if ($checkResult) {
- if ($studentDegreeChoicePosition >= 6) {
- return '#088A08';
- }
- if ($studentDegreeChoicePosition >= 4 && $studentDegreeChoicePosition <= 5) {
- return '#A9F5A9';
- }
- if ($studentDegreeChoicePosition == 3) {
- return '#FFFFFF';
- }
- } else {
- if ($studentDegreeChoicePosition >= 6) {
- return '#FE2E2E';
- }
- if ($studentDegreeChoicePosition >= 4 && $studentDegreeChoicePosition <= 5) {
- return '#F6CECE';
- }
- if ($studentDegreeChoicePosition == 3) {
- return '#FFFFFF';
- }
- }
- }
- /**
- * Return the color code for student answer.
- *
- * @param $studentAnwser
- * @param $expectedAnswer
- * @param $studentDegreeChoicePosition
- *
- * @return int
- */
- public function getStatusResponse($studentAnwser, $expectedAnswer, $studentDegreeChoicePosition)
- {
- $checkResult = ($studentAnwser == $expectedAnswer) ? true : false;
- if ($checkResult) {
- if ($studentDegreeChoicePosition >= 6) {
- return self::LEVEL_DARKGREEN;
- }
- if ($studentDegreeChoicePosition >= 4 && $studentDegreeChoicePosition <= 5) {
- return self::LEVEL_LIGHTGREEN;
- }
- if ($studentDegreeChoicePosition == 3) {
- return self::LEVEL_WHITE;
- }
- } else {
- if ($studentDegreeChoicePosition >= 6) {
- return self::LEVEL_DARKRED;
- }
- if ($studentDegreeChoicePosition >= 4 && $studentDegreeChoicePosition <= 5) {
- return self::LEVEL_LIGHTRED;
- }
- if ($studentDegreeChoicePosition == 3) {
- return self::LEVEL_WHITE;
- }
- }
- }
- /**
- * Method to recover labels for color codes.
- *
- * @param $studentAnswer
- * @param $expectedAnswer
- * @param $studentDegreeChoicePosition
- *
- * @return string
- */
- public function getCodeResponse($studentAnswer, $expectedAnswer, $studentDegreeChoicePosition)
- {
- $checkResult = ($studentAnswer == $expectedAnswer) ? true : false;
- if ($checkResult) {
- if ($studentDegreeChoicePosition >= 6) {
- return get_lang('DegreeOfCertaintyVerySure');
- }
- if ($studentDegreeChoicePosition >= 4 && $studentDegreeChoicePosition <= 5) {
- return get_lang('DegreeOfCertaintyPrettySure');
- }
- if ($studentDegreeChoicePosition == 3) {
- return get_lang('DegreeOfCertaintyDeclaredIgnorance');
- }
- } else {
- if ($studentDegreeChoicePosition >= 6) {
- return get_lang('DegreeOfCertaintyVeryUnsure');
- }
- if ($studentDegreeChoicePosition >= 4 && $studentDegreeChoicePosition <= 5) {
- return get_lang('DegreeOfCertaintyUnsure');
- }
- if ($studentDegreeChoicePosition == 3) {
- return get_lang('DegreeOfCertaintyIgnorance');
- }
- }
- }
- /**
- * Method to show the code color and his meaning for the test result.
- */
- public static function showColorCode()
- {
- ?>
- <table class="fc-border-separate" cellspacing="0" style="width:600px;
- margin: auto; border: 3px solid #A39E9E;" >
- <tr style="border-bottom: 1px solid #A39E9E;">
- <td style="width:15%; height:30px; background-color: #088A08; border-right: 1px solid #A39E9E;">
-
- </td>
- <td style="padding-left:10px;">
- <b><?php echo get_lang('DegreeOfCertaintyVerySure'); ?> :</b>
- <?php echo get_lang('DegreeOfCertaintyVerySureDescription'); ?>
- </td>
- </tr>
- <tr style="border-bottom: 1px solid #A39E9E;">
- <td style="width:15%; height:30px; background-color: #A9F5A9; border-right: 1px solid #A39E9E;">
-
- </td>
- <td style="padding-left:10px;">
- <b><?php echo get_lang('DegreeOfCertaintyPrettySure'); ?> :</b>
- <?php echo get_lang('DegreeOfCertaintyPrettySureDescription'); ?>
- </td>
- </tr>
- <tr style="border: 1px solid #A39E9E;">
- <td style="width:15%; height:30px; background-color: #FFFFFF; border-right: 1px solid #A39E9E;">
-
- </td>
- <td style="padding-left:10px;">
- <b><?php echo get_lang('DegreeOfCertaintyDeclaredIgnorance'); ?> :</b>
- <?php echo get_lang('DegreeOfCertaintyDeclaredIgnoranceDescription'); ?>
- </td>
- </tr>
- <tr style="border: 1px solid #A39E9E;">
- <td style="width:15%; height:30px; background-color: #F6CECE; border-right: 1px solid #A39E9E;">
-
- </td>
- <td style="padding-left:10px;">
- <b><?php echo get_lang('DegreeOfCertaintyUnsure'); ?> :</b>
- <?php echo get_lang('DegreeOfCertaintyUnsureDescription'); ?>
- </td>
- </tr>
- <tr style="border-bottom: 1px solid #A39E9E;">
- <td style="width:15%; height:30px; background-color: #FE2E2E; border-right: 1px solid #A39E9E;">
-
- </td>
- <td style="padding-left:10px;">
- <b><?php echo get_lang('DegreeOfCertaintyVeryUnsure'); ?> :</b>
- <?php echo get_lang('DegreeOfCertaintyVeryUnsureDescription'); ?>
- </td>
- </tr>
- </table><br/>
- <?php
- }
- /**
- * Display basic bar charts of results by category of questions
- * @param array $scoreListAll
- * @param string $title The block title
- * @param int $sizeRatio
- * @param Exercise $objExercise
- * @return string The HTML/CSS code for the charts block
- */
- public static function displayDegreeChartByCategory($scoreListAll, $title, $sizeRatio = 1, $objExercise)
- {
- $maxHeight = 0;
- if ($objExercise->gather_questions_categories == 1) { // original
- $groupCategoriesByBracket = true;
- } else {
- $groupCategoriesByBracket = false;
- }
- if ($groupCategoriesByBracket) {
- $scoreList = [];
- $categoryPrefixList = []; // categoryPrefix['Math'] = firstCategoryId for this prefix
- // rebuild $scoreList factorizing data with category prefix
- foreach ($scoreListAll as $categoryId => $scoreListForCategory) {
- $objCategory = new Testcategory();
- $objCategoryNum = $objCategory->getCategory($categoryId);
- preg_match("/^\[([^]]+)\]/", $objCategoryNum->name, $matches);
- if (count($matches) > 1) {
- // check if we have already see this prefix
- if (array_key_exists($matches[1], $categoryPrefixList)) {
- // add the result color for this entry
- $scoreList[$categoryPrefixList[$matches[1]]][self::LEVEL_DARKGREEN] +=
- $scoreListForCategory[self::LEVEL_DARKGREEN];
- $scoreList[$categoryPrefixList[$matches[1]]][self::LEVEL_LIGHTGREEN] +=
- $scoreListForCategory[self::LEVEL_LIGHTGREEN];
- $scoreList[$categoryPrefixList[$matches[1]]][self::LEVEL_WHITE] +=
- $scoreListForCategory[self::LEVEL_WHITE];
- $scoreList[$categoryPrefixList[$matches[1]]][self::LEVEL_LIGHTRED] +=
- $scoreListForCategory[self::LEVEL_LIGHTRED];
- $scoreList[$categoryPrefixList[$matches[1]]][self::LEVEL_DARKRED] +=
- $scoreListForCategory[self::LEVEL_DARKRED];
- } else {
- $categoryPrefixList[$matches[1]] = $categoryId;
- $scoreList[$categoryId] = $scoreListAll[$categoryId];
- }
- } else {
- // doesn't match the prefix '[math] Math category'
- $scoreList[$categoryId] = $scoreListAll[$categoryId];
- }
- }
- } else {
- $scoreList = $scoreListAll;
- }
- // get the max height of item to have each table the same height if displayed side by side
- foreach ($scoreList as $categoryId => $scoreListForCategory) {
- $testCategory = new TestCategory();
- $categoryQuestionName = $testCategory->getCategory($categoryId)->name;
- list($null, $height) = self::displayDegreeChart(
- $scoreListForCategory,
- 300,
- '',
- 1,
- 0,
- false,
- true,
- groupCategoriesByBracket
- );
- if ($height > $maxHeight) {
- $maxHeight = $height;
- }
- }
- if (count($scoreList) > 1) {
- $boxWidth = $sizeRatio * 300 * 2 + 54;
- } else {
- $boxWidth = $sizeRatio * 300 + 54;
- }
- $html = '<div style="width: '.$boxWidth.'px; margin : auto; padding-left : 15px;">';
- $html .= '<h3 style="text-align: center; margin : 10px 0">'.$title.'</h3>';
- // get the html of items
- $i = 0;
- foreach ($scoreList as $categoryId => $scoreListForCategory) {
- $oCategory = new Testcategory();
- $categoryQuestionName = $oCategory->getCategory($categoryId)->name;
- if ($categoryQuestionName == '') {
- $categoryName = get_lang('WithoutCategory');
- } else {
- $categoryName = $oCategory->name;
- }
- $html .= '<div style="float:left; margin-right: 10px;">';
- $html .= self::displayDegreeChart(
- $scoreListForCategory,
- 300,
- $categoryName,
- 1,
- $maxHeight,
- false,
- false,
- $groupCategoriesByBracket
- );
- $html .= '</div>';
- if ($i == 1) {
- $html .= '<div style="clear:both"> </div>';
- $i = 0;
- } else {
- $i++;
- }
- }
- return $html.'<div style="clear:both"> </div></div>';
- }
- /**
- * Return HTML code for the $scoreList of MultipleAnswerTrueFalseDegreeCertainty questions.
- *
- * @param $scoreList
- * @param int $sizeRatio
- *
- * @return string
- */
- public static function displayDegreeChart(
- $scoreList,
- $widthTable,
- $title = '',
- $sizeRatio = 1,
- $minHeight = 0,
- $displayExplanationText = true,
- $returnHeight = false,
- $groupCategoriesByBracket = false,
- $numberOfQuestions = 0
- ) {
- $topAndBottomMargin = 10;
- $colorList = [self::LEVEL_DARKRED,
- self::LEVEL_LIGHTRED,
- self::LEVEL_WHITE,
- self::LEVEL_LIGHTGREEN,
- self::LEVEL_DARKGREEN,
- ];
- // get total attempt number
- $highterColorHeight = 0;
- foreach ($scoreList as $color => $number) {
- if ($number > $highterColorHeight) {
- $highterColorHeight = $number;
- }
- }
- $totalAttemptNumber = $numberOfQuestions;
- $verticalLineHeight = $highterColorHeight * $sizeRatio * 2 + 122 + $topAndBottomMargin * 2;
- if ($verticalLineHeight < $minHeight) {
- $minHeightCorrection = $minHeight - $verticalLineHeight;
- $verticalLineHeight += $minHeightCorrection;
- }
- // draw chart
- $html = '<style type="text/css">
- .certaintyQuizBox {
- border : 1px solid black;
- margin : auto;
- }
- .certaintyQuizColumn {
- float : left;
- }
- /* text at the top of the column */
- .certaintyQuizDivMiddle {
- height : 20px;
- margin : 0;
- padding : 0;
- text-align: center
- }
- .certaintyQuizDivBottom {
- border : 1px solid black;
- }
- .certaintyVerticalLine {
- float: left;
- border-left : 1px solid black;
- font-size: 0;
- }
- .certaintyQuizClearer {
- clear : both;
- font-size: 0;
- height:0
- }
- .certaintyQuizLevel_'.self::LEVEL_DARKGREEN.' {
- background-color: #088A08;
- }
- .certaintyQuizLevel_'.self::LEVEL_LIGHTGREEN.' {
- background-color: #A9F5A9;
- }
- .certaintyQuizLevel_'.self::LEVEL_WHITE.' {
- background-color: #FFFFFF;
- width:88%
- }
- .certaintyQuizLevel_'.self::LEVEL_LIGHTRED.' {
- background-color: #F6CECE;
- }
- .certaintyQuizLevel_'.self::LEVEL_DARKRED.' {
- background-color: #FE2E2E;
- }
-
- table.certaintyTable {
- margin : auto;
- border: 1px solid #999A9B;
- }
-
- table.certaintyTable th {
- text-align: center;
- border-bottom: 1px solid #999A9B;
- background-color: #cdd0d4;
- padding : 10px;
- }
-
- table.certaintyTable td {
- padding : 10px;
- }
-
-
- table.certaintyTable td.borderRight {
- border-right: 1px dotted #000000;
- }
-
- table.certaintyTable td.firstLine {
- vertical-align: top;
- text-align: center;
- }
-
- table.certaintyTable th.globalChart {
- font-size : 18pt;
- line-height : 120%;
- padding : 20px;
- }
-
- table.certaintyTable td.globalChart {
- font-weight : bold;
- }
-
- </style>';
- if ($groupCategoriesByBracket) {
- $title = api_preg_replace("/[^]]*$/", "", $title);
- $title = ucfirst(api_preg_replace("/[\[\]]/", "", $title));
- }
- $display = (strpos($title, "ensemble") > 0) ?
- $title."<br/>($totalAttemptNumber questions)" :
- $title;
- $textSize = (
- strpos($title, "ensemble") > 0 ||
- strpos($title, "votre dernier résultat à ce test") > 0
- ) ? 100 : 80;
- if ($displayExplanationText) {
- // global chart
- $classGlobalChart = "globalChart";
- } else {
- $classGlobalChart = "";
- }
- $html .= '<table class="certaintyTable" style="height : '
- .$verticalLineHeight
- .'px; width : '
- .$widthTable.'px;">'
- ;
- $html .= '<tr><th colspan="5" class="'
- .$classGlobalChart
- .'">'
- .$display
- .'</th><tr>'
- ;
- $nbResponsesInc = (isset($scoreList[4]) || isset($scoreList[5])) ? $scoreList[4] + $scoreList[5] : 0;
- $nbResponsesIng = (isset($scoreList[3])) ? $scoreList[3] : 0;
- $nbResponsesCor = (isset($scoreList[1]) || isset($scoreList[2])) ? $scoreList[1] + $scoreList[2] : 0;
- $colWidth = $widthTable / 5;
- $html .= '<tr>
- <td class="firstLine borderRight '.$classGlobalChart.'"
- colspan="2"
- style="width:'.($colWidth * 2).'px; font-size:'.$textSize.'%;">'.
- sprintf(get_lang('IncorrectAnswersX'), $nbResponsesInc).'
- </td>
- <td class="firstLine borderRight '.$classGlobalChart.'"
- style="width:'.$colWidth.'px; font-size :'.$textSize.'%;">'.
- sprintf(get_lang('IgnoranceAnswersX'), $nbResponsesIng).'
- </td>
- <td class="firstLine '.$classGlobalChart.'"
- colspan="2"
- style="width:'.($colWidth * 2).'px; font-size:'.$textSize.'%;">'.
- sprintf(get_lang('CorrectAnswersX'), $nbResponsesCor).'
- </td>
- </tr>';
- $html .= '<tr>';
- foreach ($colorList as $i => $color) {
- if (array_key_exists($color, $scoreList)) {
- $scoreOnBottom = $scoreList[$color]; // height of the colored area on the bottom
- } else {
- $scoreOnBottom = 0;
- }
- $sizeOnBottom = $scoreOnBottom * $sizeRatio * 2;
- if ($i == 1 || $i == 2) {
- $html .= '<td width="'
- .$colWidth
- .'px" style="border-right: 1px dotted #000000; vertical-align: bottom;font-size: '
- .$textSize
- .'%;">'
- ;
- } else {
- $html .= '<td width="'
- .$colWidth
- .'px" style="vertical-align: bottom;font-size: '
- .$textSize
- .'%;">'
- ;
- }
- $html .= '<div class="certaintyQuizDivMiddle">'
- .$scoreOnBottom
- .'</div><div class="certaintyQuizDivBottom certaintyQuizLevel_'
- .$color
- .'" style="height: '
- .$sizeOnBottom
- .'px;"> </div>'
- ;
- $html .= '</td>';
- }
- $html .= '</tr>';
- if ($displayExplanationText) {
- // Display of histogram text
- $explainHistoList = [
- 'DegreeOfCertaintyVeryUnsure',
- 'DegreeOfCertaintyUnsure',
- 'DegreeOfCertaintyIgnorance',
- 'DegreeOfCertaintyPrettySure',
- 'DegreeOfCertaintyVerySure', ];
- $html .= '<tr>';
- $i = 0;
- foreach ($explainHistoList as $explain) {
- if ($i == 1 || $i == 2) {
- $class = "borderRight";
- } else {
- $class = "";
- }
- $html .= '<td class="firstLine '
- .$class
- .' '
- .$classGlobalChart
- .'" style="width="'
- .$colWidth
- .'px; font-size:'
- .$textSize
- .'%;">'
- ;
- $html .= get_lang($explain);
- $html .= '</td>';
- $i++;
- }
- $html .= '</tr>';
- }
- $html .= '</table></center>';
- if ($returnHeight) {
- return [$html, $verticalLineHeight];
- } else {
- return $html;
- }
- }
- /**
- * return previous attempt id for this test for student, 0 if no previous attempt.
- *
- * @param $exeId
- *
- * @return int
- */
- public static function getPreviousAttemptId($exeId)
- {
- $tblTrackEExercise = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
- $sql = "SELECT *
- FROM $tblTrackEExercise
- WHERE exe_id = ".intval($exeId);
- $res = Database::query($sql);
- if (Database::num_rows($res) == 0) {
- // if we cannot find the exe_id
- return 0;
- }
- $data = Database::fetch_assoc($res);
- $courseCode = $data['c_id'];
- $exerciseId = $data['exe_exo_id'];
- $userId = $data['exe_user_id'];
- $attemptDate = $data['exe_date'];
- if ($attemptDate == "0000-00-00 00:00:00") {
- // incomplete attempt, close it before continue
- return 0;
- }
- // look for previous attempt
- $exerciseId = (int) $exerciseId;
- $userId = (int) $userId;
- $sql = "SELECT *
- FROM $tblTrackEExercise
- WHERE c_id = '$courseCode'
- AND exe_exo_id = $exerciseId
- AND exe_user_id = $userId
- AND status = ''
- AND exe_date > '0000-00-00 00:00:00'
- AND exe_date < '$attemptDate'
- ORDER BY exe_date DESC";
- $res = Database::query($sql);
- if (Database::num_rows($res) == 0) {
- // no previous attempt
- return 0;
- }
- $data = Database::fetch_assoc($res);
- return $data['exe_id'];
- }
- /**
- * return an array of number of answer color for exe attempt
- * for question type = MULTIPLE_ANSWER_TRUE_FALSE_DEGREE_CERTAINTY
- * e.g.
- * [LEVEL_DARKGREEN => 3, LEVEL_LIGHTGREEN => 0, LEVEL_WHITE => 5, LEVEL_LIGHTRED => 12, LEVEL_DARKTRED => 0].
- *
- * @param $exeId
- *
- * @return array
- */
- public static function getColorNumberListForAttempt($exeId)
- {
- $result = [self::LEVEL_DARKGREEN => 0,
- self::LEVEL_LIGHTGREEN => 0,
- self::LEVEL_WHITE => 0,
- self::LEVEL_LIGHTRED => 0,
- self::LEVEL_DARKRED => 0,
- ];
- $attemptInfoList = self::getExerciseAttemptInfo($exeId);
- foreach ($attemptInfoList as $i => $attemptInfo) {
- $oQuestion = new MultipleAnswerTrueFalseDegreeCertainty();
- $oQuestion->read($attemptInfo['question_id']);
- if ($oQuestion->type == MULTIPLE_ANSWER_TRUE_FALSE_DEGREE_CERTAINTY) {
- $answerColor = self::getAnswerColor($exeId, $attemptInfo['question_id'], $attemptInfo['position']);
- if ($answerColor) {
- $result[$answerColor]++;
- }
- }
- }
- return $result;
- }
- /**
- * return an array of number of color for question type = MULTIPLE_ANSWER_TRUE_FALSE_DEGREE_CERTAINTY
- * for each question category.
- *
- * e.g.
- * [
- * (categoryId=)5 => [LEVEL_DARKGREEN => 3, LEVEL_WHITE => 5, LEVEL_LIGHTRED => 12]
- * (categoryId=)2 => [LEVEL_DARKGREEN => 8, LEVEL_LIGHTRED => 2, LEVEL_DARKTRED => 8]
- * (categoryId=)0 => [LEVEL_DARKGREEN => 1, LEVEL_LIGHTGREEN => 2, LEVEL_WHITE => 6, LEVEL_LIGHTRED => 1, LEVEL_DARKTRED => 9]
- * ]
- *
- * @param $exeId
- *
- * @return array
- */
- public static function getColorNumberListForAttemptByCategory($exeId)
- {
- $result = [];
- $attemptInfoList = self::getExerciseAttemptInfo($exeId);
- foreach ($attemptInfoList as $i => $attemptInfo) {
- $oQuestion = new MultipleAnswerTrueFalseDegreeCertainty();
- $oQuestion->read($attemptInfo['question_id']);
- if ($oQuestion->type == MULTIPLE_ANSWER_TRUE_FALSE_DEGREE_CERTAINTY) {
- $questionCategory = Testcategory::getCategoryForQuestion($attemptInfo['question_id']);
- if (!array_key_exists($questionCategory, $result)) {
- $result[$questionCategory] = [];
- }
- $answerColor = self::getAnswerColor($exeId, $attemptInfo['question_id'], $attemptInfo['position']);
- if ($answerColor) {
- $result[$questionCategory][$answerColor]++;
- }
- }
- }
- return $result;
- }
- /**
- * Return true if answer of $exeId, $questionId, $position is correct, otherwise return false.
- *
- * @param $exeId
- * @param $questionId
- * @param $position
- *
- * @return bool
- */
- public static function getAnswerColor($exeId, $questionId, $position)
- {
- $attemptInfoList = self::getExerciseAttemptInfo($exeId, $questionId, $position);
- if (count($attemptInfoList) != 1) {
- // havent got the answer
- return 0;
- }
- $answerCodes = $attemptInfoList[0]['answer'];
- // student answer
- $splitAnswer = preg_split("/:/", $answerCodes);
- // get correct answer option id
- $correctAnswerOptionId = self::getCorrectAnswerOptionId($splitAnswer[0]);
- if ($correctAnswerOptionId == 0) {
- // error returning the correct answer option id
- return 0;
- }
- // get student answer option id
- $studentAnswerOptionId = $splitAnswer[1];
- // we got the correct answer option id, let's compare ti with the student answer
- $percentage = self::getPercentagePosition($splitAnswer[2]);
- if ($studentAnswerOptionId == $correctAnswerOptionId) {
- // yeah, student got correct answer
- switch ($percentage) {
- case 3:
- return self::LEVEL_WHITE;
- case 4:
- case 5:
- return self::LEVEL_LIGHTGREEN;
- case 6:
- case 7:
- case 8:
- return self::LEVEL_DARKGREEN;
- default:
- return 0;
- }
- } else {
- // bummer, wrong answer dude
- switch ($percentage) {
- case 3:
- return self::LEVEL_WHITE;
- case 4:
- case 5:
- return self::LEVEL_LIGHTRED;
- case 6:
- case 7:
- case 8:
- return self::LEVEL_DARKRED;
- default:
- return 0;
- }
- }
- }
- /**
- * Return the position of certitude %age choose by student.
- *
- * @param $optionId
- *
- * @return int
- */
- public static function getPercentagePosition($optionId)
- {
- $tblAnswerOption = Database::get_course_table(TABLE_QUIZ_QUESTION_OPTION);
- $courseId = api_get_course_int_id();
- $sql = "SELECT position
- FROM $tblAnswerOption
- WHERE c_id = ".intval($courseId)."
- AND id = ".intval($optionId);
- $res = Database::query($sql);
- if (Database::num_rows($res) == 0) {
- return 0;
- }
- $data = Database::fetch_assoc($res);
- return $data['position'];
- }
- /**
- * return the correct id from c_quiz_question_option for question idAuto.
- *
- * @param $idAuto
- *
- * @return int
- */
- public static function getCorrectAnswerOptionId($idAuto)
- {
- $tblAnswer = Database::get_course_table(TABLE_QUIZ_ANSWER);
- $courseId = api_get_course_int_id();
- $sql = "SELECT correct
- FROM $tblAnswer
- WHERE c_id = ".intval($courseId)."
- AND id_auto = ".intval($idAuto);
- $res = Database::query($sql);
- $data = Database::fetch_assoc($res);
- if (Database::num_rows($res) > 0) {
- return $data['correct'];
- } else {
- return 0;
- }
- }
- /**
- * return an array of exe info from track_e_attempt.
- *
- * @param $exeId
- * @param int $questionId
- * @param int $position
- *
- * @return array
- */
- public static function getExerciseAttemptInfo($exeId, $questionId = -1, $position = -1)
- {
- $result = [];
- $and = '';
- if ($questionId >= 0) {
- $and .= " AND question_id = ".intval($questionId);
- }
- if ($position >= 0) {
- $and .= " AND position = ".intval($position);
- }
- $tblExeAttempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
- $cId = api_get_course_int_id();
- $sql = "SELECT * FROM $tblExeAttempt
- WHERE c_id = $cId
- AND exe_id = $exeId
- $and";
- $res = Database::query($sql);
- while ($data = Database::fetch_assoc($res)) {
- $result[] = $data;
- }
- return $result;
- }
- public static function getNumberOfQuestionsForExeId($exeId)
- {
- $tableTrackEExercise = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
- $sql = "SELECT exe_exo_id
- FROM $tableTrackEExercise
- WHERE exe_id=".intval($exeId);
- $res = Database::query($sql);
- $data = Database::fetch_assoc($res);
- $exerciseId = $data['exe_exo_id'];
- $objectExercise = new Exercise();
- $objectExercise->read($exerciseId);
- return $objectExercise->get_count_question_list();
- }
- /**
- * Display student chart results for these question types.
- *
- * @param $exeId
- *
- * @return string
- */
- public static function displayStudentsChartResults($exeId, $objExercice)
- {
- $numberOfQuestions = self::getNumberOfQuestionsForExeId($exeId);
- $globalScoreList = MultipleAnswerTrueFalseDegreeCertainty::getColorNumberListForAttempt($exeId);
- $html = MultipleAnswerTrueFalseDegreeCertainty::displayDegreeChart(
- $globalScoreList,
- 600,
- get_lang('YourOverallResultForTheTest'),
- 2,
- 0,
- true,
- false,
- false,
- $numberOfQuestions
- )
- ."<br/>"
- ;
- $previousAttemptId = MultipleAnswerTrueFalseDegreeCertainty::getPreviousAttemptId($exeId);
- if ($previousAttemptId > 0) {
- $previousAttemptScoreList = MultipleAnswerTrueFalseDegreeCertainty::getColorNumberListForAttempt(
- $previousAttemptId
- );
- $html .= MultipleAnswerTrueFalseDegreeCertainty::displayDegreeChart(
- $previousAttemptScoreList,
- 600,
- get_lang('ForComparisonYourLastResultToThisTest'),
- 2
- )
- ."<br/>"
- ;
- }
- $categoryScoreList = MultipleAnswerTrueFalseDegreeCertainty::getColorNumberListForAttemptByCategory($exeId);
- $html .= MultipleAnswerTrueFalseDegreeCertainty::displayDegreeChartByCategory(
- $categoryScoreList,
- get_lang('YourResultsByDiscipline'),
- 1, $objExercice
- )
- ."<br/>"
- ;
- return $html;
- }
- }
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