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							312 lines
						
					
					
						
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							312 lines
						
					
					
						
							10 KiB
						
					
					
				<?php
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/* For licensing terms, see /license.txt */
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/**
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 * MatchingDraggable.
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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 MatchingDraggable extends Question
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{
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    public $typePicture = 'matchingdrag.png';
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    public $explanationLangVar = 'MatchingDraggable';
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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 = MATCHING_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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        $counter = 1;
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        if (!empty($this->iid)) {
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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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                for ($i = 1; $i <= $answer->nbrAnswers; $i++) {
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                    $correct = $answer->isCorrect($i);
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                    if (empty($correct)) {
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                        $matches[$answer->selectAutoId($i)] = chr(64 + $counter);
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                        $counter++;
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                    }
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                }
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            }
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        }
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        if ($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['lessOptions'])) {
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                $nb_matches--;
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                $nb_options--;
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            }
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            if (isset($_POST['moreOptions'])) {
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                $nb_matches++;
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                $nb_options++;
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            }
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        } elseif (!empty($this->iid)) {
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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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                        $defaults['matches['.$nb_matches.']'] = $answer->correct[$i];
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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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            $defaults['option[2]'] = get_lang('DefaultMatchingOptB');
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        }
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        if (empty($matches)) {
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            for ($i = 1; $i <= $nb_options; $i++) {
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                // fill the array with A, B, C.....
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                $matches[$i] = chr(64 + $i);
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            }
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        } else {
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            for ($i = $counter; $i <= $nb_options; $i++) {
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                // fill the array with A, B, C.....
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                $matches[$i] = chr(64 + $i);
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            }
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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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        $thWeighting = '';
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        if (MATCHING_DRAGGABLE === $this->type) {
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            $thWeighting = '<th width="10">'.get_lang('Weighting').'</th>';
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        }
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        // DISPLAY MATCHES
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        $html = '<table class="table table-striped table-hover">
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            <thead>
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                <tr>
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                    <th width="10">'.get_lang('Number').'</th>
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                    <th width="85%">'.get_lang('Answer').'</th>
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                    <th width="15%">'.get_lang('MatchesTo').'</th>
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                    '.$thWeighting.'
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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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        $editorConfig = [
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            'ToolbarSet' => 'TestMatching',
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            'Width' => '100%',
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            'Height' => '125',
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        ];
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        for ($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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            $form->addHtml("<td>$i</td>");
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            //$form->addText("answer[$i]", null);
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            $form->addHtmlEditor(
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                "answer[$i]",
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                null,
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                null,
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                false,
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                $editorConfig
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            );
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            $form->addSelect("matches[$i]", null, $matches);
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            if (MATCHING_DRAGGABLE === $this->type) {
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                $form->addText("weighting[$i]", null, true, ['style' => 'width: 60px;', 'value' => 10]);
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            } else {
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                $form->addHidden("weighting[$i]", "0");
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            }
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            $form->addHtml('</tr>');
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        }
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        $form->addHtml('</tbody></table>');
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        // DISPLAY OPTIONS
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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="15%">'.get_lang('Number').'</th>
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                    <th width="85%">'.get_lang('Answer').'</th>
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                </tr>
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            </thead>
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            <tbody>';
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        $form->addHtml($html);
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        if ($nb_options < 1) {
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            $nb_options = 1;
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            echo Display::return_message(get_lang('YouHaveToCreateAtLeastOneAnswer'), 'normal');
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        }
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        for ($i = 1; $i <= $nb_options; $i++) {
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            $renderer = &$form->defaultRenderer();
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            $renderer->setElementTemplate(
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                '<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error -->{element}</td>',
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                "option[$i]"
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            );
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            $form->addHtml('<tr>');
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            $form->addHtml('<td>'.chr(64 + $i).'</td>');
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            $form->addHtmlEditor(
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                "option[$i]",
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                null,
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                null,
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                false,
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                $editorConfig
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            );
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            $form->addHtml('</tr>');
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        }
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        $form->addHtml('</table>');
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        if (MATCHING_DRAGGABLE_COMBINATION === $this->type) {
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            //only 1 answer the all deal ...
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            $form->addText('questionWeighting', get_lang('Score'), true, ['value' => 10]);
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            if (!empty($this->iid)) {
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                $defaults['questionWeighting'] = $this->weighting;
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            }
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        }
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        global $text;
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        $group = [];
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        // setting the save button here and not in the question class.php
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        $group[] = $form->addButtonDelete(get_lang('DelElem'), 'lessOptions', true);
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        $group[] = $form->addButtonCreate(get_lang('AddElem'), 'moreOptions', true);
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        $group[] = $form->addButtonSave($text, 'submitQuestion', true);
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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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            if ($this->isContent == 1) {
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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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        $nb_matches = $form->getSubmitValue('nb_matches');
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        $nb_options = $form->getSubmitValue('nb_options');
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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_options; $i++) {
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            $position++;
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            $option = $form->getSubmitValue("option[$i]");
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            $objAnswer->createAnswer($option, 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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        if (MATCHING_DRAGGABLE_COMBINATION == $this->type) {
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            $this->weighting = $form->getSubmitValue('questionWeighting');
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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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        $header .= '<table class="matching '.$this->question_table_class.'"><tr>';
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        $header .= '<th>'.get_lang('ElementList').'</th>';
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        if (!in_array($exercise->results_disabled, [
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            RESULT_DISABLE_SHOW_ONLY_IN_CORRECT_ANSWER,
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            //RESULT_DISABLE_SHOW_SCORE_AND_EXPECTED_ANSWERS_AND_RANKING,
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        ])
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        ) {
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            $header .= '<th>'.get_lang('YourChoice').'</th>';
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        }
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        if ($exercise->showExpectedChoice()) {
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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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            $header .= '<th>'.get_lang('Status').'</th>';
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        } else {
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            $header .= '<th>'.get_lang('CorrespondsTo').'</th>';
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        }
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        $header .= '</tr>';
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        return $header;
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    }
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}
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