MultipleAnswerTrueFalseDegreeCertainty::createAnswersForm()

Complexity

Conditions	20
Paths	12672

Size

Total Lines	163
Code Lines	112

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

<?php
    public function createAnswersForm($form)
    {
        global $text;
        $nbAnswers = isset($_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::read('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();

            $defaults['answer['.$i.']'] = '';
            $defaults['comment['.$i.']'] = '';
            $defaults['correct['.$i.']'] = '';

            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);
            }

            $boxesNames[] = 'correct['.$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 btn-danger minus"');
            $form->addElement('submit', 'moreAnswers', get_lang('PlusAnswer'), 'class="btn btn-primary plus"');
            //$text and $class defined in calling script
            $form->addElement('submit', 'submitQuestion', $text, 'class = "btn btn-primary"');
        }
        $renderer->setElementTemplate('{element}&nbsp;', 'lessAnswers');
        $renderer->setElementTemplate('{element}&nbsp;', 'submitQuestion');
        $renderer->setElementTemplate('{element}&nbsp;', 'moreAnswers');
        $form->addElement('html', '</div></div>');
        $defaults['correct'] = $correct;

        if (!empty($this->id)) {
            $form->setDefaults($defaults);
        } else {
            $form->setDefaults($defaults);
        }
        $form->setConstants(['nb_answers' => $nbAnswers]);
    }