Actualización
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234
main/exercise/Draggable.php
Normal file
234
main/exercise/Draggable.php
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<?php
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/* For licensing terms, see /license.txt */
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/**
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* Class Draggable.
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*
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* @author Angel Fernando Quiroz Campos <angel.quiroz@beeznest.com>
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*/
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class Draggable extends Question
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{
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public $typePicture = 'ordering.png';
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public $explanationLangVar = 'Draggable';
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/**
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* Class constructor.
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*/
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public function __construct()
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{
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parent::__construct();
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$this->type = DRAGGABLE;
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$this->isContent = $this->getIsContent();
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}
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/**
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* {@inheritdoc}
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*/
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public function createAnswersForm($form)
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{
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$defaults = [];
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$nb_matches = $nb_options = 2;
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$matches = [];
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$answer = null;
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if ($form->isSubmitted()) {
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$nb_matches = $form->getSubmitValue('nb_matches');
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$nb_options = $form->getSubmitValue('nb_options');
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if (isset($_POST['lessMatches'])) {
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$nb_matches--;
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}
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if (isset($_POST['moreMatches'])) {
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$nb_matches++;
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}
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if (isset($_POST['lessOptions'])) {
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$nb_options--;
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}
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if (isset($_POST['moreOptions'])) {
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$nb_options++;
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}
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} elseif (!empty($this->iid)) {
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$defaults['orientation'] = in_array($this->extra, ['h', 'v']) ? $this->extra : 'v';
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$answer = new Answer($this->iid);
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$answer->read();
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if ($answer->nbrAnswers > 0) {
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$nb_matches = $nb_options = 0;
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for ($i = 1; $i <= $answer->nbrAnswers; $i++) {
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if ($answer->isCorrect($i)) {
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$nb_matches++;
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$defaults['answer['.$nb_matches.']'] = $answer->selectAnswer($i);
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$defaults['weighting['.$nb_matches.']'] = float_format($answer->selectWeighting($i), 1);
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$answerInfo = $answer->getAnswerByAutoId($answer->correct[$i]);
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$defaults['matches['.$nb_matches.']'] = isset($answerInfo['answer']) ? $answerInfo['answer'] : '';
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} else {
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$nb_options++;
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$defaults['option['.$nb_options.']'] = $answer->selectAnswer($i);
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}
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}
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}
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} else {
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$defaults['answer[1]'] = get_lang('DefaultMakeCorrespond1');
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$defaults['answer[2]'] = get_lang('DefaultMakeCorrespond2');
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$defaults['matches[2]'] = '2';
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$defaults['option[1]'] = get_lang('DefaultMatchingOptA');
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$defaults['option[2]'] = get_lang('DefaultMatchingOptB');
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$defaults['orientation'] = 'v';
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}
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for ($i = 1; $i <= $nb_matches; $i++) {
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$matches[$i] = $i;
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}
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$form->addElement('hidden', 'nb_matches', $nb_matches);
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$form->addElement('hidden', 'nb_options', $nb_options);
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$form->addRadio(
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'orientation',
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get_lang('ChooseOrientation'),
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['v' => get_lang('Vertical'), 'h' => get_lang('Horizontal')]
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);
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// DISPLAY MATCHES
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$html = '<table class="table table-striped table-hover">
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<thead>
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<tr>
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<th width="85%">'.get_lang('Answer').'</th>
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<th width="15%">'.get_lang('MatchesTo').'</th>
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<th width="10">'.get_lang('Weighting').'</th>
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</tr>
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</thead>
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<tbody>';
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$form->addHeader(get_lang('MakeCorrespond'));
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$form->addHtml($html);
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if ($nb_matches < 1) {
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$nb_matches = 1;
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echo Display::return_message(get_lang('YouHaveToCreateAtLeastOneAnswer'), 'normal');
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}
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for ($i = 1; $i <= $nb_matches; $i++) {
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$renderer = &$form->defaultRenderer();
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$renderer->setElementTemplate(
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error -->{element}</td>',
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"answer[$i]"
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);
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$renderer->setElementTemplate(
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error -->{element}</td>',
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"matches[$i]"
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);
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$renderer->setElementTemplate(
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error -->{element}</td>',
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"weighting[$i]"
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);
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$form->addHtml('<tr>');
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$form->addText("answer[$i]", null);
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$form->addSelect("matches[$i]", null, $matches);
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$form->addText("weighting[$i]", null, true, ['value' => 10, 'style' => 'width: 60px;']);
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$form->addHtml('</tr>');
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}
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$form->addHtml('</tbody></table>');
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$renderer->setElementTemplate(
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'<div class="form-group"><div class="col-sm-offset-2">{element}',
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'lessMatches'
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);
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$renderer->setElementTemplate('{element}</div></div>', 'moreMatches');
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global $text;
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$group = [
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$form->addButtonDelete(get_lang('DelElem'), 'lessMatches', true),
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$form->addButtonCreate(get_lang('AddElem'), 'moreMatches', true),
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$form->addButtonSave($text, 'submitQuestion', true),
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];
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$form->addGroup($group);
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if (!empty($this->iid)) {
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$form->setDefaults($defaults);
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} else {
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$form->setDefaults(['orientation' => 'v']);
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if (1 == $this->isContent) {
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$form->setDefaults($defaults);
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}
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}
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$form->setConstants(
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[
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'nb_matches' => $nb_matches,
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'nb_options' => $nb_options,
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]
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);
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}
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/**
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* {@inheritdoc}
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*/
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public function processAnswersCreation($form, $exercise)
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{
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$this->extra = $form->exportValue('orientation');
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$nb_matches = $form->getSubmitValue('nb_matches');
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$this->weighting = 0;
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$position = 0;
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$objAnswer = new Answer($this->iid);
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// Insert the options
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for ($i = 1; $i <= $nb_matches; $i++) {
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$position++;
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$objAnswer->createAnswer($position, 0, '', 0, $position);
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}
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// Insert the answers
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for ($i = 1; $i <= $nb_matches; $i++) {
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$position++;
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$answer = $form->getSubmitValue('answer['.$i.']');
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$matches = $form->getSubmitValue('matches['.$i.']');
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$weighting = $form->getSubmitValue('weighting['.$i.']');
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$this->weighting += $weighting;
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$objAnswer->createAnswer(
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$answer,
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$matches,
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'',
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$weighting,
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$position
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);
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}
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$objAnswer->save();
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$this->save($exercise);
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}
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/**
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* {@inheritdoc}
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*/
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public function return_header(Exercise $exercise, $counter = null, $score = [])
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{
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$header = parent::return_header($exercise, $counter, $score);
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$header .= '<table class="'.$this->question_table_class.'"><tr>';
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if ($exercise->showExpectedChoice()) {
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$header .= '<th>'.get_lang('YourChoice').'</th>';
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if ($exercise->showExpectedChoiceColumn()) {
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$header .= '<th>'.get_lang('ExpectedChoice').'</th>';
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}
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} else {
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$header .= '<th>'.get_lang('ElementList').'</th>';
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$header .= '<th>'.get_lang('YourChoice').'</th>';
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$header .= '<th>'.get_lang('ExpectedChoice').'</th>';
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}
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$header .= '<th>'.get_lang('Status').'</th>';
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$header .= '</tr>';
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return $header;
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}
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}
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