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- <?php
- class UniqueAnswer extends Question
- {
- static $typePicture = 'mcua.png';
- static $explanationLangVar = 'UniqueSelect';
-
- public function UniqueAnswer()
- {
-
- parent::question();
- $this->type = UNIQUE_ANSWER;
- $this->isContent = $this->getIsContent();
- }
-
- public function createAnswersForm($form)
- {
-
- $obj_ex = $_SESSION['objExercise'];
- $editor_config = array(
- 'ToolbarSet' => 'TestProposedAnswer',
- 'Width' => '100%',
- 'Height' => '125'
- );
-
-
- $nb_answers = isset($_POST['nb_answers']) ? (int)$_POST['nb_answers'] : 4;
- $nb_answers += (isset($_POST['lessAnswers']) ? -1 : (isset($_POST['moreAnswers']) ? 1 : 0));
-
- $feedback_title = '';
- if ($obj_ex->selectFeedbackType() == EXERCISE_FEEDBACK_TYPE_DIRECT) {
-
- $editor_config['Width'] = '250';
- $editor_config['Height'] = '110';
- $comment_title = '<th width="500px" >' . get_lang('Comment') . '</th>';
- $feedback_title = '<th width="350px" >' . get_lang('Scenario') . '</th>';
- } else {
- $comment_title = '<th>' . get_lang('Comment') . '</th>';
- }
- $html = '<table class="data_table">
- <tr style="text-align: center;">
- <th width="10px">
- ' . get_lang('Number') . '
- </th>
- <th width="10px" >
- ' . get_lang('True') . '
- </th>
- <th width="50%">
- ' . get_lang('Answer') . '
- </th>
- ' . $comment_title . '
- ' . $feedback_title . '
- <th width="50px">
- ' . get_lang('Weighting') . '
- </th>
- </tr>';
- $form->addElement(
- 'label',
- get_lang('Answers') . '<br /> <img src="../img/fill_field.png">',
- $html
- );
- $defaults = array();
- $correct = 0;
- if (!empty($this->id)) {
- $answer = new Answer($this->id);
- $answer->read();
- if (count($answer->nbrAnswers) > 0 && !$form->isSubmitted()) {
- $nb_answers = $answer->nbrAnswers;
- }
- }
- $form->addElement('hidden', 'nb_answers');
-
- $question_list = $obj_ex->selectQuestionList();
- $select_question = array();
- $select_question[0] = get_lang('SelectTargetQuestion');
- if (is_array($question_list)) {
- foreach ($question_list as $key => $questionid) {
-
- if (!is_numeric($questionid)) {
- continue;
- }
- $question = Question::read($questionid);
- $select_question[$questionid] = 'Q' . $key . ' :' . cut(
- $question->selectTitle(),
- 20
- );
- }
- }
- $select_question[-1] = get_lang('ExitTest');
- $list = new LearnpathList(api_get_user_id());
- $flat_list = $list->get_flat_list();
- $select_lp_id = array();
- $select_lp_id[0] = get_lang('SelectTargetLP');
- foreach ($flat_list as $id => $details) {
- $select_lp_id[$id] = cut($details['lp_name'], 20);
- }
- $temp_scenario = array();
- if ($nb_answers < 1) {
- $nb_answers = 1;
- Display::display_normal_message(
- get_lang('YouHaveToCreateAtLeastOneAnswer')
- );
- }
- for ($i = 1; $i <= $nb_answers; ++$i) {
- $form->addElement('html', '<tr>');
- if (isset($answer) && is_object($answer)) {
- if ($answer->correct[$i]) {
- $correct = $i;
- }
- $defaults['answer[' . $i . ']'] = $answer->answer[$i];
- $defaults['comment[' . $i . ']'] = $answer->comment[$i];
- $defaults['weighting[' . $i . ']'] = float_format(
- $answer->weighting[$i],
- 1
- );
- $item_list = explode('@@', $answer->destination[$i]);
- $try = $item_list[0];
- $lp = $item_list[1];
- $list_dest = $item_list[2];
- $url = $item_list[3];
- if ($try == 0) {
- $try_result = 0;
- } else {
- $try_result = 1;
- }
- if ($url == 0) {
- $url_result = '';
- } else {
- $url_result = $url;
- }
- $temp_scenario['url' . $i] = $url_result;
- $temp_scenario['try' . $i] = $try_result;
- $temp_scenario['lp' . $i] = $lp;
- $temp_scenario['destination' . $i] = $list_dest;
- } else {
- $defaults['answer[1]'] = get_lang('DefaultUniqueAnswer1');
- $defaults['weighting[1]'] = 10;
- $defaults['answer[2]'] = get_lang('DefaultUniqueAnswer2');
- $defaults['weighting[2]'] = 0;
- $temp_scenario['destination' . $i] = array('0');
- $temp_scenario['lp' . $i] = array('0');
- }
- $defaults['scenario'] = $temp_scenario;
- $renderer = $form->defaultRenderer();
- $renderer->setElementTemplate(
- '<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
- 'correct'
- );
- $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 . ']'
- );
- $renderer->setElementTemplate(
- '<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
- 'weighting[' . $i . ']'
- );
- $answer_number = $form->addElement(
- 'text',
- 'counter[' . $i . ']',
- null,
- ' value = "' . $i . '"'
- );
- $answer_number->freeze();
- $form->addElement(
- 'radio',
- 'correct',
- null,
- null,
- $i,
- 'class="checkbox" style="margin-left: 0em;"'
- );
- $form->addElement(
- 'html_editor',
- 'answer[' . $i . ']',
- null,
- 'style="vertical-align:middle"',
- $editor_config
- );
- $form->addRule(
- 'answer[' . $i . ']',
- get_lang('ThisFieldIsRequired'),
- 'required'
- );
- if ($obj_ex->selectFeedbackType() == EXERCISE_FEEDBACK_TYPE_DIRECT) {
- $form->addElement(
- 'html_editor',
- 'comment[' . $i . ']',
- null,
- 'style="vertical-align:middle"',
- $editor_config
- );
-
-
- $group = array();
- $group['try' . $i] = $form->createElement(
- 'checkbox',
- 'try' . $i,
- null,
- get_lang('TryAgain')
- );
- $group['lp' . $i] = $form->createElement(
- 'select',
- 'lp' . $i,
- get_lang('SeeTheory') . ': ',
- $select_lp_id
- );
- $group['destination' . $i] = $form->createElement(
- 'select',
- 'destination' . $i,
- get_lang('GoToQuestion') . ': ',
- $select_question
- );
- $group['url' . $i] = $form->createElement(
- 'text',
- 'url' . $i,
- get_lang('Other') . ': ',
- array(
- 'class' => 'span2',
- 'placeholder' => get_lang('Other')
- )
- );
- $form->addGroup($group, 'scenario');
- $renderer->setElementTemplate(
- '<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}',
- 'scenario'
- );
- } else {
- $form->addElement(
- 'html_editor',
- 'comment[' . $i . ']',
- null,
- 'style="vertical-align:middle"',
- $editor_config
- );
- }
- $form->addElement(
- 'text',
- 'weighting[' . $i . ']',
- null,
- array('class' => "span1", 'value' => '0')
- );
- $form->addElement('html', '</tr>');
- }
- $form->addElement('html', '</table>');
- $form->addElement('html', '<br />');
- $navigator_info = api_get_navigator();
- global $text, $class;
-
- if ($obj_ex->edit_exercise_in_lp == true) {
- if ($navigator_info['name'] == 'Internet Explorer' && $navigator_info['version'] == '6') {
- $form->addElement(
- 'submit',
- 'lessAnswers',
- get_lang('LessAnswer'),
- 'class="btn minus"'
- );
- $form->addElement(
- 'submit',
- 'moreAnswers',
- get_lang('PlusAnswer'),
- 'class="btn plus"'
- );
- $form->addElement(
- 'submit',
- 'submitQuestion',
- $text,
- 'class="' . $class . '"'
- );
- } else {
-
- $form->addElement(
- 'style_submit_button',
- 'lessAnswers',
- get_lang('LessAnswer'),
- 'class="btn minus"'
- );
- $form->addElement(
- 'style_submit_button',
- 'moreAnswers',
- get_lang('PlusAnswer'),
- 'class="btn plus"'
- );
- $form->addElement(
- 'style_submit_button',
- 'submitQuestion',
- $text,
- 'class="' . $class . '"'
- );
- }
- }
- $renderer->setElementTemplate('{element} ', 'submitQuestion');
- $renderer->setElementTemplate('{element} ', 'lessAnswers');
- $renderer->setElementTemplate('{element} ', 'moreAnswers');
- $form->addElement('html', '</div></div>');
-
- if ($correct == 0) {
- $correct = 1;
- }
- $defaults['correct'] = $correct;
- if (!empty($this->id)) {
- $form->setDefaults($defaults);
- } else {
- if ($this->isContent == 1) {
-
- $form->setDefaults($defaults);
- } else {
- $form->setDefaults(array('correct' => 1));
- }
- }
- $form->setConstants(array('nb_answers' => $nb_answers));
- }
-
- public function processAnswersCreation($form)
- {
- $questionWeighting = $nbrGoodAnswers = 0;
- $correct = $form->getSubmitValue('correct');
- $objAnswer = new Answer($this->id);
- $nb_answers = $form->getSubmitValue('nb_answers');
- for ($i = 1; $i <= $nb_answers; $i++) {
- $answer = trim($form->getSubmitValue('answer[' . $i . ']'));
- $comment = trim($form->getSubmitValue('comment[' . $i . ']'));
- $weighting = trim($form->getSubmitValue('weighting[' . $i . ']'));
- $scenario = $form->getSubmitValue('scenario');
-
-
- $try = $scenario['try' . $i];
- $lp = $scenario['lp' . $i];
- $destination = $scenario['destination' . $i];
- $url = trim($scenario['url' . $i]);
-
- $goodAnswer = ($correct == $i) ? true : false;
- if ($goodAnswer) {
- $nbrGoodAnswers++;
- $weighting = abs($weighting);
- if ($weighting > 0) {
- $questionWeighting += $weighting;
- }
- }
- if (empty($try)) {
- $try = 0;
- }
- if (empty($lp)) {
- $lp = 0;
- }
- if (empty($destination)) {
- $destination = 0;
- }
- if ($url == '') {
- $url = 0;
- }
-
- $dest = $try . '@@' . $lp . '@@' . $destination . '@@' . $url;
- $objAnswer->createAnswer(
- $answer,
- $goodAnswer,
- $comment,
- $weighting,
- $i,
- null,
- null,
- $dest
- );
- }
-
- $objAnswer->save();
-
- $this->updateWeighting($questionWeighting);
- $this->save();
- }
-
- public function return_header(
- $feedback_type = null,
- $counter = null,
- $score = null
- ) {
- $header = parent::return_header($feedback_type, $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>';
- $header .= '<th>' . get_lang("Comment") . '</th>';
- $header .= '</tr>';
- return $header;
- }
-
- public function addAnswer(
- $id,
- $question_id,
- $title,
- $comment,
- $score = 0.0,
- $correct = 0
- ) {
- $tbl_quiz_answer = Database::get_course_table(TABLE_QUIZ_ANSWER);
- $tbl_quiz_question = Database::get_course_table(TABLE_QUIZ_QUESTION);
- $course_id = api_get_course_int_id();
- $question_id = intval($question_id);
- $score = floatval($score);
- $correct = intval($correct);
- $title = Database::escape_string($title);
- $comment = Database::escape_string($comment);
-
- $sql = "SELECT max(position) as max_position
- FROM $tbl_quiz_answer
- WHERE
- c_id = $course_id AND
- question_id = $question_id";
- $rs_max = Database::query($sql);
- $row_max = Database::fetch_object($rs_max);
- $position = $row_max->max_position + 1;
-
- $sql = "INSERT INTO $tbl_quiz_answer (
- c_id,
- id,
- question_id,
- answer,
- correct,
- comment,
- ponderation,
- position,
- destination
- ) VALUES (
- $course_id,
- $id,
- $question_id,
- '" . $title . "',
- $correct,
- '" . $comment . "',
- '$score', $position,
- '0@@0@@0@@0'
- )";
- Database::query($sql);
- if ($correct) {
- $sql = "UPDATE $tbl_quiz_question
- SET ponderation = (ponderation + $score)
- WHERE c_id = $course_id AND id = " . $question_id;
- Database::query($sql);
- }
- }
- }
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