Add the type of question Draggable - refs #7612
Angel Fernando Quiroz Campos
11 years ago
parent
28b5dc7f98
commit
944d336ac0
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<?php |
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/* For licensing terms, see /license.txt */ |
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/** |
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* 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 Matching |
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{ |
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static $typePicture = 'matching.png'; |
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static $explanationLangVar = 'Draggable'; |
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/** |
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* Class constructor |
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*/ |
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public function __construct() |
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{ |
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parent::__construct(); |
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$this->type = DRAGGABLE; |
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$this->isContent = $this->getIsContent(); |
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} |
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/** |
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* Function which redefines Question::createAnswersForm |
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* @param FormValidator $form |
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*/ |
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public function createAnswersForm($form) |
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{ |
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$defaults = array(); |
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$nb_matches = $nb_options = 2; |
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$matches = array(); |
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$answer = null; |
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$counter = 1; |
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if (isset($this->id)) { |
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$answer = new Answer($this->id); |
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$answer->read(); |
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if (count($answer->nbrAnswers) > 0) { |
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for ($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['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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$nb_options++; |
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} |
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} else if (!empty($this->id)) { |
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if (count($answer->nbrAnswers) > 0) { |
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$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', $nb_options); |
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// DISPLAY MATCHES |
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$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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$nb_matches = 1; |
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Display::display_normal_message(get_lang('YouHaveToCreateAtLeastOneAnswer')); |
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} |
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for ($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[$i]", null, true, ['value' => 10]); |
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$form->addHtml('</tr>'); |
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} |
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$form->addHtml('</tbody></table>'); |
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$group = array(); |
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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($this->id)) { |
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$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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* Abstract function which creates the form to create / edit the answers of the question |
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* @param FormValidator $form |
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*/ |
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public function processAnswersCreation($form) |
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{ |
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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($this->id); |
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// Insert the options |
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for ($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($answer, $matches, '', $weighting, $position); |
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} |
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$objAnswer->save(); |
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$this->save(); |
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} |
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/** |
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* Shows question title an description |
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* @param string $feedback_type |
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* @param int $counter |
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* @param float $score |
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* @return string |
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*/ |
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public function return_header($feedback_type = null, $counter = null, $score = null) |
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{ |
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$header = parent::return_header($feedback_type, $counter, $score); |
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$header .= '<table class="' . $this->question_table_class . '"> |
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<tr> |
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<th>' . get_lang('ElementList') . '</th> |
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<th>' . get_lang('CorrespondsTo') . '</th> |
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</tr>'; |
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return $header; |
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} |
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} |
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