docs/mods/_standard/tests/edit_question_multianswer.php

   1 <?php
   2 /************************************************************************/
   3 /* ATutor                                                                                                                               */
   4 /************************************************************************/
   5 /* Copyright (c) 2002-2010                                              */
   6 /* Inclusive Design Institute                                           */
   7 /* http://atutor.ca                                                     */
   8 /* This program is free software. You can redistribute it and/or        */
   9 /* modify it under the terms of the GNU General Public License          */
  10 /* as published by the Free Software Foundation.                        */
  11 /************************************************************************/
  12 // $Id$
  13 define('AT_INCLUDE_PATH', '../../../include/');
  14 require(AT_INCLUDE_PATH.'vitals.inc.php');
  15
  16 authenticate(AT_PRIV_TESTS);
  17
  18 require(AT_INCLUDE_PATH.'../mods/_standard/tests/lib/test_result_functions.inc.php');
  19
  20 $qid = intval($_GET['qid']);
  21 if ($qid == 0){
  22         $qid = intval($_POST['qid']);
  23 }
  24
  25 if (isset($_POST['cancel'])) {
  26         $msg->addFeedback('CANCELLED');
  27         if ($_POST['tid']) {
  28                 header('Location: questions.php?tid='.$_POST['tid']);
  29         } else {
  30                 header('Location: question_db.php');
  31         }
  32         exit;
  33 } else if (isset($_POST['submit'])) {
  34         $_POST['required'] = intval($_POST['required']);
  35         $_POST['feedback'] = trim($_POST['feedback']);
  36         $_POST['question'] = trim($_POST['question']);
  37         $_POST['tid']      = intval($_POST['tid']);
  38         $_POST['qid']      = intval($_POST['qid']);
  39         $_POST['weight']   = intval($_POST['weight']);
  40
  41         if ($_POST['question'] == ''){
  42                 $msg->addError(array('EMPTY_FIELDS', _AT('question')));
  43         }
  44
  45         if (!$msg->containsErrors()) {
  46                 $choice_new = array(); // stores the non-blank choices
  47                 $answer_new = array(); // stores the associated "answer" for the choices
  48
  49                 for ($i=0; $i<10; $i++) {
  50                         $_POST['choice'][$i] = $addslashes(trim($_POST['choice'][$i]));
  51                         /**
  52                          * Db defined it to be 255 length, chop strings off it it's less than that
  53                          * @harris
  54                          */
  55                         $_POST['choice'][$i] = validate_length($_POST['choice'][$i], 255);
  56                         $_POST['answer'][$i] = intval($_POST['answer'][$i]);
  57
  58                         if ($_POST['choice'][$i] == '') {
  59                                 /* an empty option can't be correct */
  60                                 $_POST['answer'][$i] = 0;
  61                         } else {
  62                                 /* filter out empty choices/ remove gaps */
  63                                 $choice_new[] = $_POST['choice'][$i];
  64                                 $answer_new[] = $_POST['answer'][$i];
  65                         }
  66                 }
  67
  68                 $_POST['answer'] = $answer_new;
  69                 $_POST['choice'] = $choice_new;
  70                 $_POST['answer'] = array_pad($_POST['answer'], 10, 0);
  71                 $_POST['choice'] = array_pad($_POST['choice'], 10, '');
  72
  73                 $_POST['feedback']   = $addslashes($_POST['feedback']);
  74                 $_POST['question']   = $addslashes($_POST['question']);
  75
  76                 $sql    = "UPDATE ".TABLE_PREFIX."tests_questions SET
  77             category_id=$_POST[category_id],
  78                     feedback='$_POST[feedback]',
  79                         question='$_POST[question]',
  80                         choice_0='{$_POST[choice][0]}',
  81                         choice_1='{$_POST[choice][1]}',
  82                         choice_2='{$_POST[choice][2]}',
  83                         choice_3='{$_POST[choice][3]}',
  84                         choice_4='{$_POST[choice][4]}',
  85                         choice_5='{$_POST[choice][5]}',
  86                         choice_6='{$_POST[choice][6]}',
  87                         choice_7='{$_POST[choice][7]}',
  88                         choice_8='{$_POST[choice][8]}',
  89                         choice_9='{$_POST[choice][9]}',
  90                         answer_0={$_POST[answer][0]},
  91                         answer_1={$_POST[answer][1]},
  92                         answer_2={$_POST[answer][2]},
  93                         answer_3={$_POST[answer][3]},
  94                         answer_4={$_POST[answer][4]},
  95                         answer_5={$_POST[answer][5]},
  96                         answer_6={$_POST[answer][6]},
  97                         answer_7={$_POST[answer][7]},
  98                         answer_8={$_POST[answer][8]},
  99                         answer_9={$_POST[answer][9]}
 100
 101                         WHERE question_id=$_POST[qid] AND course_id=$_SESSION[course_id]";
 102
 103                 $result = mysql_query($sql, $db);
 104
 105                 $msg->addFeedback('QUESTION_UPDATED');
 106                 if ($_POST['tid']) {
 107                         header('Location: questions.php?tid='.$_POST['tid']);
 108                 } else {
 109                         header('Location: question_db.php');
 110                 }
 111                 exit;
 112         }
 113 }
 114
 115 if (!isset($_POST['submit'])) {
 116         $sql    = "SELECT * FROM ".TABLE_PREFIX."tests_questions WHERE question_id=$qid AND course_id=$_SESSION[course_id] AND type=7";
 117         $result = mysql_query($sql, $db);
 118
 119         if (!($row = mysql_fetch_array($result))){
 120                 require(AT_INCLUDE_PATH.'header.inc.php');
 121                 $msg->printErrors('ITEM_NOT_FOUND');
 122                 require (AT_INCLUDE_PATH.'footer.inc.php');
 123                 exit;
 124         }
 125         $_POST['category_id'] = $row['category_id'];
 126         $_POST['feedback']        = $row['feedback'];
 127         $_POST['required']        = $row['required'];
 128         $_POST['weight']          = $row['weight'];
 129         $_POST['question']        = $row['question'];
 130
 131         for ($i=0; $i<10; $i++) {
 132                 $_POST['choice'][$i] = $row['choice_'.$i];
 133                 $_POST['answer'][$i] = $row['answer_'.$i];
 134         }
 135 }
 136
 137 require(AT_INCLUDE_PATH.'header.inc.php');
 138
 139 ?>
 140 <form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post" name="form">
 141 <input type="hidden" name="tid" value="<?php echo $_REQUEST['tid']; ?>" />
 142 <input type="hidden" name="qid" value="<?php echo $qid; ?>" />
 143 <input type="hidden" name="required" value="1" />
 144
 145 <div class="input-form">
 146         <fieldset class="group_form"><legend class="group_form"><?php echo _AT('test_ma'); ?></legend>
 147         <div class="row">
 148                 <span class="required" title="<?php echo _AT('required_field'); ?>">*</span><label for="cats"><?php echo _AT('category'); ?></label>
 149                 <select name="category_id" id="cats">
 150                         <?php print_question_cats($_POST['category_id']); ?>
 151                 </select>
 152         </div>
 153
 154         <div class="row">
 155                 <label for="optional_feedback"><?php echo _AT('optional_feedback'); ?></label>
 156                 <?php print_VE('optional_feedback'); ?>
 157
 158                 <textarea id="optional_feedback" cols="50" rows="3" name="feedback"><?php echo htmlspecialchars(stripslashes($_POST['feedback'])); ?></textarea>
 159         </div>
 160
 161         <div class="row">
 162                 <span class="required" title="<?php echo _AT('required_field'); ?>">*</span><label for="question"><?php echo _AT('question'); ?></label>
 163                 <?php print_VE('question'); ?>
 164                 <textarea id="question" cols="50" rows="4" name="question"><?php
 165                         echo htmlspecialchars(stripslashes($_POST['question'])); ?></textarea>
 166         </div>
 167
 168         <?php
 169         for ($i=0; $i<10; $i++) { ?>
 170                 <div class="row">
 171                         <label for="choice_<?php echo $i; ?>"><?php echo _AT('choice'); ?> <?php echo ($i+1); ?></label>
 172                         <?php print_VE('choice_'.$i); ?>
 173                         <br />
 174                         <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>
 175
 176
 177                         <textarea id="choice_<?php echo $i; ?>" cols="50" rows="2" name="choice[<?php echo $i; ?>]" class="formfield"><?php echo htmlspecialchars(stripslashes($_POST['choice'][$i])); ?></textarea>
 178                 </div>
 179         <?php } ?>
 180
 181         <div class="row buttons">
 182                 <input type="submit" value="<?php echo _AT('save'); ?>"   name="submit" accesskey="s" />
 183                 <input type="submit" value="<?php echo _AT('cancel'); ?>" name="cancel" />
 184         </div>
 185         </fieldset>
 186 </div>
 187 </form>
 188
 189 <?php require (AT_INCLUDE_PATH.'footer.inc.php'); ?>