docs/mods/_standard/tests/create_question_multianswer.php

   1 <?php
   2 /****************************************************************/
   3 /* ATutor                                                                                                               */
   4 /****************************************************************/
   5 /* Copyright (c) 2002-2010                                      */
   6 /* Inclusive Design Institute                                   */
   7 /* http://atutor.ca                                                                                             */
   8 /*                                                              */
   9 /* This program is free software. You can redistribute it and/or*/
  10 /* modify it under the terms of the GNU General Public License  */
  11 /* as published by the Free Software Foundation.                                */
  12 /****************************************************************/
  13 // $Id$
  14
  15 define('AT_INCLUDE_PATH', '../../../include/');
  16 require(AT_INCLUDE_PATH.'vitals.inc.php');
  17 require(AT_INCLUDE_PATH.'../mods/_standard/tests/lib/test_question_queries.inc.php');
  18
  19 authenticate(AT_PRIV_TESTS);
  20 require(AT_INCLUDE_PATH.'../mods/_standard/tests/lib/test_result_functions.inc.php');
  21
  22 if (isset($_POST['cancel']) || isset($_POST['submit_no'])) {
  23         $msg->addFeedback('CANCELLED');
  24         header('Location: question_db.php');
  25         exit;
  26 } else if ($_POST['submit'] || $_POST['submit_yes']) {
  27         $_POST['required'] = intval($_POST['required']);
  28         $_POST['feedback'] = trim($_POST['feedback']);
  29         $_POST['question'] = trim($_POST['question']);
  30         $_POST['category_id'] = intval($_POST['category_id']);
  31
  32         if ($_POST['question'] == ''){
  33                 $msg->addError(array('EMPTY_FIELDS', _AT('question')));
  34         }
  35
  36         if (!$msg->containsErrors()) {
  37                 $choice_new = array(); // stores the non-blank choices
  38                 $answer_new = array(); // stores the associated "answer" for the choices
  39                 for ($i=0; $i<10; $i++) {
  40                         /**
  41                          * Db defined it to be 255 length, chop strings off it it's less than that
  42                          * @harris
  43                          */
  44                         $_POST['choice'][$i] = validate_length($_POST['choice'][$i], 255);
  45                         $_POST['choice'][$i] = $addslashes(trim($_POST['choice'][$i]));
  46                         $_POST['answer'][$i] = intval($_POST['answer'][$i]);
  47
  48                         if ($_POST['choice'][$i] == '') {
  49                                 /* an empty option can't be correct */
  50                                 $_POST['answer'][$i] = 0;
  51                         } else {
  52                                 /* filter out empty choices/ remove gaps */
  53                                 $choice_new[] = $_POST['choice'][$i];
  54                                 $answer_new[] = $_POST['answer'][$i];
  55
  56                                 if ($_POST['answer'][$i] != 0)
  57                                         $has_answer = TRUE;
  58                         }
  59                 }
  60
  61                 if ($has_answer != TRUE && !$_POST['submit_yes']) {
  62
  63                         $hidden_vars['required']    = htmlspecialchars($_POST['required']);
  64                         $hidden_vars['feedback']    = htmlspecialchars($_POST['feedback']);
  65                         $hidden_vars['question']    = htmlspecialchars($_POST['question']);
  66                         $hidden_vars['category_id'] = htmlspecialchars($_POST['category_id']);
  67
  68                         for ($i = 0; $i < count($choice_new); $i++) {
  69                                 $hidden_vars['answer['.$i.']'] = htmlspecialchars($answer_new[$i]);
  70                                 $hidden_vars['choice['.$i.']'] = htmlspecialchars($choice_new[$i]);
  71                         }
  72
  73                         $msg->addConfirm('NO_ANSWER', $hidden_vars);
  74                 } else {
  75
  76                         //add slahes throughout - does that fix it?
  77                         $_POST['answer'] = $answer_new;
  78                         $_POST['choice'] = $choice_new;
  79                         $_POST['answer'] = array_pad($_POST['answer'], 10, 0);
  80                         $_POST['choice'] = array_pad($_POST['choice'], 10, '');
  81
  82                         $_POST['feedback'] = $addslashes($_POST['feedback']);
  83                         $_POST['question'] = $addslashes($_POST['question']);
  84
  85                         $sql_params = array(    $_POST['category_id'],
  86                                                                         $_SESSION['course_id'],
  87                                                                         $_POST['feedback'],
  88                                                                         $_POST['question'],
  89                                                                         $_POST['choice'][0],
  90                                                                         $_POST['choice'][1],
  91                                                                         $_POST['choice'][2],
  92                                                                         $_POST['choice'][3],
  93                                                                         $_POST['choice'][4],
  94                                                                         $_POST['choice'][5],
  95                                                                         $_POST['choice'][6],
  96                                                                         $_POST['choice'][7],
  97                                                                         $_POST['choice'][8],
  98                                                                         $_POST['choice'][9],
  99                                                                         $_POST['answer'][0],
 100                                                                         $_POST['answer'][1],
 101                                                                         $_POST['answer'][2],
 102                                                                         $_POST['answer'][3],
 103                                                                         $_POST['answer'][4],
 104                                                                         $_POST['answer'][5],
 105                                                                         $_POST['answer'][6],
 106                                                                         $_POST['answer'][7],
 107                                                                         $_POST['answer'][8],
 108                                                                         $_POST['answer'][9]);
 109                         $sql = vsprintf(AT_SQL_QUESTION_MULTIANSWER, $sql_params);
 110
 111                         $result = mysql_query($sql, $db);
 112
 113                         $msg->addFeedback('ACTION_COMPLETED_SUCCESSFULLY');
 114                         header('Location: question_db.php');
 115                         exit;
 116                 }
 117         }
 118 }
 119
 120 $onload = 'document.form.category_id.focus();';
 121
 122 require(AT_INCLUDE_PATH.'header.inc.php');
 123
 124 $msg->printConfirm();
 125 ?>
 126 <form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post" name="form">
 127 <input type="hidden" name="required" value="1" />
 128 <div class="input-form">
 129         <fieldset class="group_form"><legend class="group_form"><?php echo _AT('test_ma'); ?></legend>
 130         <div class="row">
 131                 <span class="required" title="<?php echo _AT('required_field'); ?>">*</span><label for="cats"><?php echo _AT('category'); ?></label><br />
 132                 <select name="category_id" id="cats">
 133                         <?php print_question_cats($_POST['category_id']); ?>
 134                 </select>
 135         </div>
 136
 137         <div class="row">
 138                 <label for="optional_feedback"><?php echo _AT('optional_feedback'); ?></label>
 139                 <?php print_VE('optional_feedback'); ?>
 140                 <textarea id="optional_feedback" cols="50" rows="3" name="feedback"><?php echo htmlspecialchars(stripslashes($_POST['feedback'])); ?></textarea>
 141         </div>
 142
 143         <div class="row">
 144                 <span class="required" title="<?php echo _AT('required_field'); ?>">*</span><label for="question"><?php echo _AT('question'); ?></label>
 145                 <?php print_VE('question'); ?>
 146                 <textarea id="question" cols="50" rows="4" name="question" style="width:90%;"><?php echo htmlspecialchars(stripslashes($_POST['question'])); ?></textarea>
 147         </div>
 148
 149 <?php
 150         for ($i=0; $i<10; $i++) {
 151 ?>
 152         <div class="row">
 153                 <?php echo _AT('choice'); ?> <?php echo ($i+1); ?>
 154
 155                 <?php print_VE('choice_' . $i); ?>
 156
 157                 <br />
 158
 159                 <small><input type="checkbox" name="answer[<?php echo $i; ?>]" id="answer_<?php echo $i; ?>" value="1" <?php if($_POST['answer'][$i]) { echo 'checked="checked"';} ?>><label for="answer_<?php echo $i; ?>"><?php echo _AT('correct_answer'); ?></label></small>
 160
 161                 <textarea id="choice_<?php echo $i; ?>" cols="50" rows="2" name="choice[<?php echo $i; ?>]"><?php
 162                 echo htmlspecialchars(stripslashes($_POST['choice'][$i])); ?></textarea>
 163         </div>
 164         <?php } ?>
 165
 166         <div class="row buttons">
 167                 <input type="submit" value="<?php echo _AT('save'); ?>" name="submit" accesskey="s" />
 168                 <input type="submit" value="<?php echo _AT('cancel'); ?>" name="cancel" />
 169         </div>
 170         </fieldset>
 171 </div>
 172 </form>
 173
 174 <?php require (AT_INCLUDE_PATH.'footer.inc.php'); ?>