Julio Montoya
15 years ago
parent
761c01ce3d
commit
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<?php // $Id: document.php 16494 2008-10-10 22:07:36Z yannoo $
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/* For licensing terms, see /chamilo_license.txt */ |
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/** |
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* File containing the MultipleAnswer class. |
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* @package dokeos.exercise |
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* @author Eric Marguin |
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* @version $Id: admin.php 10680 2007-01-11 21:26:23Z pcool $ |
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*/ |
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if(!class_exists('MultipleAnswerCombination')): |
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/** |
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CLASS MultipleAnswer |
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* |
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* This class allows to instantiate an object of type MULTIPLE_ANSWER (MULTIPLE CHOICE, MULTIPLE ANSWER), |
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* extending the class question |
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* |
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* @author Eric Marguin |
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* @package dokeos.exercise |
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**/ |
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class MultipleAnswerCombination extends Question { |
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static $typePicture = 'mcma.gif'; |
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static $explanationLangVar = 'MultipleSelectCombination'; |
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/** |
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* Constructor |
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*/ |
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function MultipleAnswerCombination(){ |
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parent::question(); |
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$this -> type = MULTIPLE_ANSWER_COMBINATION; |
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} |
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/** |
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* function which redifines Question::createAnswersForm |
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* @param the formvalidator instance |
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* @param the answers number to display |
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*/ |
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function createAnswersForm ($form) { |
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$nb_answers = isset($_POST['nb_answers']) ? $_POST['nb_answers'] : 2; |
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$nb_answers += (isset($_POST['lessAnswers']) ? -1 : (isset($_POST['moreAnswers']) ? 1 : 0)); |
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/* |
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* |
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* <th> |
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'.get_lang('Weighting').' |
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</th> |
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*/ |
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$html=' |
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<div class="row"> |
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<div class="label"> |
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'.get_lang('Answers').'<br /><img src="../img/fill_field.png"> |
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</div> |
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<div class="formw"> |
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<table class="data_table"> |
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<tr style="text-align: center;"> |
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<th> |
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'.get_lang('Number').' |
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</th> |
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<th> |
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'.get_lang('True').' |
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</th> |
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<th> |
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'.get_lang('Answer').' |
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</th> |
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<th> |
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'.get_lang('Comment').' |
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</th> |
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</tr>'; |
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$form -> addElement ('html', $html); |
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$defaults = array(); |
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$correct = 0; |
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if(!empty($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 && !$form->isSubmitted()) { |
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$nb_answers = $answer->nbrAnswers; |
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} |
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} |
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$form -> addElement('hidden', 'nb_answers'); |
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$boxes_names = array(); |
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for($i = 1 ; $i <= $nb_answers ; ++$i) { |
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if(is_object($answer)) { |
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$defaults['answer['.$i.']'] = $answer -> answer[$i]; |
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$defaults['comment['.$i.']'] = $answer -> comment[$i]; |
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$defaults['weighting['.$i.']'] = float_format($answer -> weighting[$i], 1); |
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$defaults['correct['.$i.']'] = $answer -> correct[$i]; |
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} else { |
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$defaults['answer[1]'] = get_lang('langDefaultMultipleAnswer2'); |
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$defaults['comment[1]'] = get_lang('langDefaultMultipleComment2'); |
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$defaults['correct[1]'] = true; |
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$defaults['weighting[1]'] = 10; |
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$defaults['answer[2]'] = get_lang('langDefaultMultipleAnswer1'); |
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$defaults['comment[2]'] = get_lang('langDefaultMultipleComment1'); |
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$defaults['correct[2]'] = false; |
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//$defaults['weighting[2]'] = -5; |
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} |
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$renderer = & $form->defaultRenderer(); |
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$renderer->setElementTemplate('<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>'); |
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$answer_number=$form->addElement('text', null,null,'value="'.$i.'"'); |
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$answer_number->freeze(); |
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$form->addElement('checkbox', 'correct['.$i.']', null, null, 'class="checkbox" style="margin-left: 0em;"'); |
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$boxes_names[] = 'correct['.$i.']'; |
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$form->addElement('html_editor', 'answer['.$i.']',null, 'style="vertical-align:middle"', array('ToolbarSet' => 'TestProposedAnswer', 'Width' => '100%', 'Height' => '100')); |
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$form->addRule('answer['.$i.']', get_lang('ThisFieldIsRequired'), 'required'); |
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$form->addElement('html_editor', 'comment['.$i.']',null, 'style="vertical-align:middle"', array('ToolbarSet' => 'TestProposedAnswer', 'Width' => '100%', 'Height' => '100')); |
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//only 1 answer the all deal ... |
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//$form->addElement('text', 'weighting['.$i.']',null, 'style="vertical-align:middle;margin-left: 0em;" size="5" value="10"'); |
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$form -> addElement ('html', '</tr>'); |
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} |
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$form -> addElement ('html', '</table>'); |
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$form -> addElement ('html', '<br />'); |
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$form -> add_multiple_required_rule ($boxes_names , get_lang('ChooseAtLeastOneCheckbox') , 'multiple_required'); |
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//@todo fix my layout please |
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//only 1 answer the all deal ... |
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$form->addElement('text', 'weighting[1]',null, 'style="vertical-align:middle;margin-left: 0em;" size="5" value="10"'); |
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$navigator_info = api_get_navigator(); |
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global $text, $class; |
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//ie6 fix |
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if ($navigator_info['name']=='Internet Explorer' && $navigator_info['version']=='6') { |
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$form->addElement('submit', 'lessAnswers', get_lang('LessAnswer'),'class="minus"'); |
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$form->addElement('submit', 'moreAnswers', get_lang('PlusAnswer'),'class="plus"'); |
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$form->addElement('submit','submitQuestion',$text, 'class="'.$class.'"'); |
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} else { |
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$form->addElement('style_submit_button', 'lessAnswers', get_lang('LessAnswer'),'class="minus"'); |
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$form->addElement('style_submit_button', 'moreAnswers', get_lang('PlusAnswer'),'class="plus"'); |
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// setting the save button here and not in the question class.php |
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$form->addElement('style_submit_button','submitQuestion',$text, 'class="'.$class.'"'); |
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} |
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$renderer->setElementTemplate('{element} ','lessAnswers'); |
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$renderer->setElementTemplate('{element} ','submitQuestion'); |
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$renderer->setElementTemplate('{element}','moreAnswers'); |
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$form -> addElement ('html', '</div></div>'); |
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$defaults['correct'] = $correct; |
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$form -> setDefaults($defaults); |
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$form->setConstants(array('nb_answers' => $nb_answers)); |
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} |
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/** |
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* abstract function which creates the form to create / edit the answers of the question |
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* @param the formvalidator instance |
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* @param the answers number to display |
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*/ |
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function processAnswersCreation($form) { |
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$questionWeighting = $nbrGoodAnswers = 0; |
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$objAnswer = new Answer($this->id); |
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$nb_answers = $form -> getSubmitValue('nb_answers'); |
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for($i=1 ; $i <= $nb_answers ; $i++) |
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{ |
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$answer = trim($form -> getSubmitValue('answer['.$i.']')); |
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$comment = trim($form -> getSubmitValue('comment['.$i.']')); |
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if ($i == 1) |
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$weighting = trim($form -> getSubmitValue('weighting['.$i.']')); |
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else { |
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$weighting = 0; |
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} |
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$goodAnswer = trim($form -> getSubmitValue('correct['.$i.']')); |
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if($goodAnswer){ |
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$weighting = abs($weighting); |
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} else { |
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$weighting = abs($weighting); |
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// $weighting = -$weighting; |
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} |
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if($weighting > 0) |
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{ |
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$questionWeighting += $weighting; |
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} |
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$objAnswer -> createAnswer($answer,$goodAnswer,$comment,$weighting,$i); |
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} |
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// saves the answers into the data base |
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$objAnswer -> save(); |
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// sets the total weighting of the question |
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$this -> updateWeighting($questionWeighting); |
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$this -> save(); |
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} |
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} |
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endif; |
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?> |
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