public/main/exercise/MatchingDraggable.php
<?php
/* For licensing terms, see /license.txt */
/**
* MatchingDraggable.
*
* @author Angel Fernando Quiroz Campos <angel.quiroz@beeznest.com>
*/
class MatchingDraggable extends Question
{
public $typePicture = 'matchingdrag.png';
public $explanationLangVar = 'Match by dragging';
public function __construct()
{
parent::__construct();
$this->type = MATCHING_DRAGGABLE;
$this->isContent = $this->getIsContent();
}
public function createAnswersForm($form)
{
$defaults = [];
$nb_matches = $nb_options = 2;
$matches = [];
$answer = null;
$counter = 1;
if (isset($this->id)) {
$answer = new Answer($this->id);
$answer->read();
if ($answer->nbrAnswers > 0) {
for ($i = 1; $i <= $answer->nbrAnswers; $i++) {
$correct = $answer->isCorrect($i);
if (empty($correct)) {
$matches[$answer->selectAutoId($i)] = chr(64 + $counter);
$counter++;
}
}
}
}
if ($form->isSubmitted()) {
$nb_matches = $form->getSubmitValue('nb_matches');
$nb_options = $form->getSubmitValue('nb_options');
if (isset($_POST['lessOptions'])) {
$nb_matches--;
$nb_options--;
}
if (isset($_POST['moreOptions'])) {
$nb_matches++;
$nb_options++;
}
} elseif (!empty($this->id)) {
if ($answer->nbrAnswers > 0) {
$nb_matches = $nb_options = 0;
for ($i = 1; $i <= $answer->nbrAnswers; $i++) {
if ($answer->isCorrect($i)) {
$nb_matches++;
$defaults['answer['.$nb_matches.']'] = $answer->selectAnswer($i);
$defaults['weighting['.$nb_matches.']'] = float_format($answer->selectWeighting($i), 1);
$defaults['matches['.$nb_matches.']'] = $answer->correct[$i];
} else {
$nb_options++;
$defaults['option['.$nb_options.']'] = $answer->selectAnswer($i);
}
}
}
} else {
$defaults['answer[1]'] = get_lang('First step');
$defaults['answer[2]'] = get_lang('Second step');
$defaults['matches[2]'] = '2';
$defaults['option[1]'] = get_lang('Note down the address');
$defaults['option[2]'] = get_lang('Contact the emergency services');
}
if (empty($matches)) {
for ($i = 1; $i <= $nb_options; $i++) {
// fill the array with A, B, C.....
$matches[$i] = chr(64 + $i);
}
} else {
for ($i = $counter; $i <= $nb_options; $i++) {
// fill the array with A, B, C.....
$matches[$i] = chr(64 + $i);
}
}
$form->addElement('hidden', 'nb_matches', $nb_matches);
$form->addElement('hidden', 'nb_options', $nb_options);
// DISPLAY MATCHES
$html = '<table class="table table-striped table-hover">
<thead>
<tr>
<th width="10">'.get_lang('N°').'</th>
<th width="85%">'.get_lang('Answer').'</th>
<th width="15%">'.get_lang('Matches To').'</th>
<th width="10">'.get_lang('Score').'</th>
</tr>
</thead>
<tbody>';
$form->addHeader(get_lang('Match them'));
$form->addHtml($html);
if ($nb_matches < 1) {
$nb_matches = 1;
echo Display::return_message(get_lang('You have to create at least one answer'), 'normal');
}
$editorConfig = [
'ToolbarSet' => 'TestMatching',
'Width' => '100%',
'Height' => '125',
];
for ($i = 1; $i <= $nb_matches; $i++) {
$renderer = &$form->defaultRenderer();
$renderer->setElementTemplate(
'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error -->{element}</td>',
"answer[$i]"
);
$renderer->setElementTemplate(
'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error -->{element}</td>',
"matches[$i]"
);
$renderer->setElementTemplate(
'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error -->{element}</td>',
"weighting[$i]"
);
$form->addHtml('<tr>');
$form->addHtml("<td>$i</td>");
//$form->addText("answer[$i]", null);
$form->addHtmlEditor(
"answer[$i]",
null,
null,
false,
$editorConfig
);
$form->addSelect("matches[$i]", null, $matches);
$form->addText("weighting[$i]", null, true, ['style' => 'width: 60px;', 'value' => 10]);
$form->addHtml('</tr>');
}
$form->addHtml('</tbody></table>');
// DISPLAY OPTIONS
$html = '<table class="table table-striped table-hover">
<thead>
<tr>
<th width="15%">'.get_lang('N°').'</th>
<th width="85%">'.get_lang('Answer').'</th>
</tr>
</thead>
<tbody>';
$form->addHtml($html);
if ($nb_options < 1) {
$nb_options = 1;
echo Display::return_message(get_lang('You have to create at least one answer'), 'normal');
}
for ($i = 1; $i <= $nb_options; $i++) {
$renderer = &$form->defaultRenderer();
$renderer->setElementTemplate(
'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error -->{element}</td>',
"option[$i]"
);
$form->addHtml('<tr>');
$form->addHtml('<td>'.chr(64 + $i).'</td>');
$form->addHtmlEditor(
"option[$i]",
null,
null,
false,
$editorConfig
);
$form->addHtml('</tr>');
}
$form->addHtml('</table>');
global $text;
$group = [];
// setting the save button here and not in the question class.php
$group[] = $form->addButtonDelete(get_lang('Remove element'), 'lessOptions', true);
$group[] = $form->addButtonCreate(get_lang('Add element'), 'moreOptions', true);
$group[] = $form->addButtonSave($text, 'submitQuestion', true);
$form->addGroup($group);
if (!empty($this->id)) {
$form->setDefaults($defaults);
} else {
if (1 == $this->isContent) {
$form->setDefaults($defaults);
}
}
$form->setConstants(
[
'nb_matches' => $nb_matches,
'nb_options' => $nb_options,
]
);
}
public function processAnswersCreation($form, $exercise)
{
$nb_matches = $form->getSubmitValue('nb_matches');
$nb_options = $form->getSubmitValue('nb_options');
$this->weighting = 0;
$position = 0;
$objAnswer = new Answer($this->id);
// Insert the options
for ($i = 1; $i <= $nb_options; $i++) {
$position++;
$option = $form->getSubmitValue("option[$i]");
$objAnswer->createAnswer($option, 0, '', 0, $position);
}
// Insert the answers
for ($i = 1; $i <= $nb_matches; $i++) {
$position++;
$answer = $form->getSubmitValue("answer[$i]");
$matches = $form->getSubmitValue("matches[$i]");
$weighting = $form->getSubmitValue("weighting[$i]");
$this->weighting += $weighting;
$objAnswer->createAnswer(
$answer,
$matches,
'',
$weighting,
$position
);
}
$objAnswer->save();
$this->save($exercise);
}
public function return_header(Exercise $exercise, $counter = null, $score = [])
{
$header = parent::return_header($exercise, $counter, $score);
$header .= '<table class="matching '.$this->questionTableClass.'"><tr>';
$header .= '<th>'.get_lang('Elements list').'</th>';
if (!in_array($exercise->results_disabled, [
RESULT_DISABLE_SHOW_ONLY_IN_CORRECT_ANSWER,
//RESULT_DISABLE_SHOW_SCORE_AND_EXPECTED_ANSWERS_AND_RANKING,
])
) {
$header .= '<th>'.get_lang('Your choice').'</th>';
if ($exercise->showExpectedChoiceColumn()) {
$header .= '<th>'.get_lang('Expected choice').'</th>';
}
}
if ($exercise->showExpectedChoice()) {
$header .= '<th class="text-center">'.get_lang('Status').'</th>';
}
$header .= '</tr>';
return $header;
}
}