tools/polls/edit.php

   1 <?php
   2 /****************************************************************/
   3 /* ATutor                                                                                                               */
   4 /****************************************************************/
   5 /* Copyright (c) 2002-2006 by Greg Gay & Joel Kronenberg        */
   6 /* Adaptive Technology Resource Centre / University of Toronto  */
   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 define('AT_INCLUDE_PATH', '../../include/');
  15 require (AT_INCLUDE_PATH.'vitals.inc.php');
  16
  17 authenticate(AT_PRIV_POLLS);
  18
  19
  20 if ($_POST['cancel']) {
  21         $msg->addFeedback('CANCELLED');
  22         header('Location: index.php');
  23         exit;
  24 }
  25
  26 if (isset($_GET['poll_id'])) {
  27         $poll_id = intval($_GET['poll_id']);
  28 } else {
  29         $poll_id = intval($_POST['poll_id']);
  30 }
  31
  32 if ($_POST['edit_poll']) {
  33         if (trim($_POST['question']) == '') {
  34                 $msg->addError(array('EMPTY_FIELDS', _AT('question')));
  35         }
  36
  37         if ((trim($_POST['c1']) == '') || (trim($_POST['c2']) == '')) {
  38                 $msg->addError('POLL_QUESTION_MINIMUM');
  39         }
  40
  41         if (!$msg->containsErrors()) {
  42                 $_POST['question'] = $addslashes($_POST['question']);
  43
  44                 for ($i=1; $i<= AT_NUM_POLL_CHOICES; $i++) {
  45                         $choices .= "choice$i = '" . $addslashes($_POST['c' . $i]) . "',";
  46                 }
  47                 $choices = substr($choices, 0, -1);
  48
  49                 $sql = "UPDATE ".TABLE_PREFIX."polls SET question='$_POST[question]', created_date=created_date $choices WHERE poll_id=$poll_id AND course_id=$_SESSION[course_id]";
  50                 $result = mysql_query($sql,$db);
  51
  52                 $msg->addFeedback('ACTION_COMPLETED_SUCCESSFULLY');
  53                 Header('Location: index.php');
  54                 exit;
  55         }
  56         for ($i=1; $i<= AT_NUM_POLL_CHOICES; $i++) {
  57                 $_POST['c' . $i] = $stripslashes($_POST['c' . $i]);
  58         }
  59         $_POST['question'] = $stripslashes($_POST['question']);
  60 }
  61
  62 require(AT_INCLUDE_PATH.'header.inc.php');
  63
  64         if ($poll_id == 0) {
  65                 $msg->printErrors('ITEM_NOT_FOUND');
  66                 require (AT_INCLUDE_PATH.'footer.inc.php');
  67                 exit;
  68         }
  69
  70         $sql = "SELECT * FROM ".TABLE_PREFIX."polls WHERE poll_id=$poll_id AND course_id=$_SESSION[course_id]";
  71         $result = mysql_query($sql,$db);
  72         if (!($row = mysql_fetch_assoc($result))) {
  73                 $msg->printErrors('ITEM_NOT_FOUND');
  74                 require (AT_INCLUDE_PATH.'footer.inc.php');
  75                 exit;
  76         }
  77
  78 ?>
  79
  80 <form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post" name="form">
  81 <input type="hidden" name="edit_poll" value="true" />
  82 <input type="hidden" name="poll_id" value="<?php echo $row['poll_id']; ?>" />
  83
  84 <div class="input-form">
  85         <div class="row">
  86                 <div class="required" title="<?php echo _AT('required_field'); ?>">*</div><label for="question"><?php echo _AT('question'); ?>:</label><br />
  87                 <textarea name="question" cols="55" rows="3" id="question"><?php if (isset ($_POST['question'])) { echo htmlspecialchars($_POST['question']); } else { echo htmlspecialchars($row['question']); } ?></textarea>
  88         </div>
  89
  90 <?php
  91         for ($i=1; $i<= AT_NUM_POLL_CHOICES; $i++): ?>
  92                 <div class="row">
  93                         <?php if (($i==1) || ($i==2)) { ?>
  94                                 <div class="required" title="<?php echo _AT('required_field'); ?>">*</div>
  95                         <?php } ?>
  96                         <label for="c<?php echo $i; ?>"><?php echo _AT('choice'); ?> <?php echo $i; ?>:</label><br />
  97                         <input type="text" name="c<?php echo $i; ?>" id="c<?php echo $i; ?>" value="<?php if (isset ($_POST['c' . $i])) { echo htmlspecialchars($_POST['c' . $i]); } else { echo htmlspecialchars($row['choice' . $i]); }?>" size="40" />
  98                 </div>
  99
 100 <?php endfor; ?>
 101         <div class="row buttons">
 102                 <input type="submit" name="submit" value="<?php echo _AT('save'); ?>" accesskey="s" />
 103                 <input type="submit" name="cancel" value="<?php echo _AT('cancel'); ?> " />
 104         </div>
 105
 106 </div>
 107 </form>
 108 <?php require (AT_INCLUDE_PATH.'footer.inc.php'); ?>