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- <?php
- /*
- DOKEOS - elearning and course management software
- For a full list of contributors, see documentation/credits.html
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License
- as published by the Free Software Foundation; either version 2
- of the License, or (at your option) any later version.
- See "documentation/licence.html" more details.
- Contact:
- Dokeos
- Rue des Palais 44 Paleizenstraat
- B-1030 Brussels - Belgium
- Tel. +32 (2) 211 34 56
- */
- /**
- * File containing the Matching class.
- * @package dokeos.exercise
- * @author Eric Marguin
- * @version $Id: admin.php 10680 2007-01-11 21:26:23Z pcool $
- */
- if(!class_exists('Matching')):
- /**
- CLASS Matching
- *
- * This class allows to instantiate an object of type MULTIPLE_ANSWER (MULTIPLE CHOICE, MULTIPLE ANSWER),
- * extending the class question
- *
- * @author Eric Marguin
- * @package dokeos.exercise
- **/
- class Matching extends Question {
- static $typePicture = 'matching.gif';
- static $explanationLangVar = 'Matching';
- /**
- * Constructor
- */
- function Matching(){
- parent::question();
- $this -> type = MATCHING;
- }
- /**
- * function which redifines Question::createAnswersForm
- * @param the formvalidator instance
- */
- function createAnswersForm ($form) {
- $defaults = array();
- $nb_matches = $nb_options = 2;
- if($form -> isSubmitted())
- {
- $nb_matches = $form -> getSubmitValue('nb_matches');
- $nb_options = $form -> getSubmitValue('nb_options');
- if(isset($_POST['lessMatches']))
- $nb_matches--;
- if(isset($_POST['moreMatches']))
- $nb_matches++;
- if(isset($_POST['lessOptions']))
- $nb_options--;
- if(isset($_POST['moreOptions']))
- $nb_options++;
- } else if(!empty($this -> id)) {
- $answer = new Answer($this -> id);
- $answer -> read();
- if(count($answer->nbrAnswers)>0) {
- $a_matches = $a_options = array();
- $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('DefaultMakeCorrespond1');
- $defaults['answer[2]'] = get_lang('DefaultMakeCorrespond2');
- $defaults['matches[2]'] = '2';
- $defaults['option[1]'] = get_lang('DefaultMatchingOptA');
- $defaults['option[2]'] = get_lang('DefaultMatchingOptB');
- }
- $a_matches = array();
- for($i=1 ; $i<=$nb_options ; ++$i)
- {
- $a_matches[$i] = chr(64+$i); // fill the array with A, B, C.....
- }
- $form -> addElement('hidden', 'nb_matches', $nb_matches);
- $form -> addElement('hidden', 'nb_options', $nb_options);
- ////////////////////////
- // DISPLAY MATCHES ////
- //////////////////////
- $html='
- <div class="row">
- <div class="label">
- '.get_lang('Answers').' <br /> <img src="../img/fill_field.png">
- </div>
- <div class="formw">
- '.get_lang('MakeCorrespond').'
- <table class="data_table">
- <tr style="text-align: center">
- <th width="40px">
- '.get_lang('Number').'
- </th>
- <th>
- '.get_lang('Answer').'
- </th>
- <th>
- '.get_lang('MatchesTo').'
- </th>
- <th>
- '.get_lang('Weighting').'
- </th>
-
- </tr>';
- $form -> addElement ('html', $html);
-
- //$form -> addElement ('html_editor', 'answer','<img src="../img/fill_field.png">','id="answer" cols="122" rows="6" onkeyup="updateBlanks(this)"');
- for($i = 1 ; $i <= $nb_matches ; ++$i) {
- $form -> addElement ('html', '<tr><td>');
- $group = array();
- $puce = FormValidator :: createElement ('text', null,null,'value="'.$i.'"');
- $puce->freeze();
- $group[] = $puce;
-
- $group[] = FormValidator :: createElement ('text', 'answer['.$i.']',null, 'size="40" style="margin-left: 0em;"');
- $group[] = FormValidator :: createElement ('select', 'matches['.$i.']',null,$a_matches);
- $group[] = FormValidator :: createElement ('text', 'weighting['.$i.']',null, 'style="vertical-align:middle;margin-left: 0em;" size="5" value="10"');
- $form -> addGroup($group, null, null, '</td><td width="0">');
- $form -> addElement ('html', '</td></tr>');
- }
- $form -> addElement ('html', '</table></div></div>');
- $group = array();
- $group[] = FormValidator :: createElement ('style_submit_button', 'lessMatches', get_lang('DelElem'),'class="minus"');
- $group[] = FormValidator :: createElement ('style_submit_button', 'moreMatches', get_lang('AddElem'),'class="plus"');
-
- $form -> addGroup($group);
- ////////////////////////
- // DISPLAY OPTIONS ////
- //////////////////////
- $html='
- <div class="row">
- <div class="label">
- </div>
- <div class="formw"><br /><br />
- <table class="data_table">
- <tr style="text-align: center;">
- <th width="40px">
- '.get_lang('Number').'
- </th>
- <th>
- '.get_lang('Answer').'
- </th>
-
- </tr>';
- $form -> addElement ('html', $html);
- for($i = 1 ; $i <= $nb_options ; ++$i) {
- $form -> addElement ('html', '<tr><td>');
- $group = array();
- $puce = FormValidator :: createElement ('text', null,null,'value="'.chr(64+$i).'"');
- $puce->freeze();
- $group[] = $puce;
- $group[] = FormValidator :: createElement ('text', 'option['.$i.']',null, 'size="40" style="margin-left: 0em;"');
- $form -> addGroup($group, null, null, '</td><td width="0">');
- $form -> addElement ('html', '</td></tr>');
- }
- $form -> addElement ('html', '</table></div></div>');
-
- $group = array();
- $group[] = FormValidator :: createElement ('style_submit_button', 'lessOptions', get_lang('DelElem'),'class="minus"');
- $group[] = FormValidator :: createElement ('style_submit_button', 'moreOptions',get_lang('AddElem'),'class="plus"');
-
- global $text, $class;
- // setting the save button here and not in the question class.php
- $group[] = FormValidator :: createElement('style_submit_button','submitQuestion',$text, 'class="'.$class.'"');
-
- $form -> addGroup($group);
- $form -> setDefaults($defaults);
- $form->setConstants(array('nb_matches' => $nb_matches,'nb_options' => $nb_options));
- }
- /**
- * abstract function which creates the form to create / edit the answers of the question
- * @param the formvalidator instance
- */
- function processAnswersCreation($form) {
- $nb_matches = $form -> getSubmitValue('nb_matches');
- $nb_options = $form -> getSubmitValue('nb_options');
- $this -> weighting = 0;
- $objAnswer = new Answer($this->id);
- $position = 0;
- // insert the options
- for($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();
- }
- }
- endif;
- ?>
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