docs/mods/_standard/reading_list/add_resource_av.php

   1 <?php
   2 /****************************************************************/
   3 /* ATutor                                                                                                               */
   4 /****************************************************************/
   5 /* Copyright (c) 2002-2008                                      */
   6 /* Written by Greg Gay, Joel Kronenberg & Chris Ridpath         */
   7 /* Inclusive Design Institute                                   */
   8 /* http://atutor.ca                                                                                             */
   9 /*                                                              */
  10 /* This program is free software. You can redistribute it and/or*/
  11 /* modify it under the terms of the GNU General Public License  */
  12 /* as published by the Free Software Foundation.                                */
  13 /****************************************************************/
  14 // $Id$
  15 define('AT_INCLUDE_PATH', '../../../include/');
  16 require (AT_INCLUDE_PATH.'vitals.inc.php');
  17 authenticate(AT_PRIV_READING_LIST);
  18
  19 // initial values for form
  20 $id = intval($_REQUEST['id']);
  21 $title = "";
  22 $author = "";
  23 $publisher = "";
  24 $date = "";
  25 $comments = "";
  26 $page_return = $_GET['page_return'];
  27
  28 // check if user has submitted form
  29 if (isset($_POST['cancel'])) {
  30         $msg->addFeedback('CANCELLED');
  31
  32         header('Location: display_resources.php');
  33         exit;
  34 } else if (isset($_POST['submit'])) {
  35         $missing_fields = array();
  36
  37         if (trim($_POST['title']) == '') {
  38                 $missing_fields[] = _AT('title');
  39         }
  40         if (trim($_POST['author']) == '') {
  41                 $missing_fields[] = _AT('author');
  42         }
  43
  44         if ($missing_fields) {
  45                 $missing_fields = implode(', ', $missing_fields);
  46                 $msg->addError(array('EMPTY_FIELDS', $missing_fields));
  47         }
  48
  49
  50         if (!$msg->containsErrors()) {
  51                 $_POST['title'] = $addslashes(validate_length($_POST['title'], 255));
  52                 $_POST['author'] = $addslashes(validate_length($_POST['author'], 150));
  53                 $_POST['publisher'] = $addslashes(validate_length($_POST['publisher'], 150));
  54                 $_POST['date'] = $addslashes($_POST['date']);
  55                 $_POST['comments'] = $addslashes(validate_length($_POST['comments'], 255));
  56
  57                 if ($id == '0'){ // creating a new URL resource
  58                         $sql = "INSERT INTO ".TABLE_PREFIX."external_resources VALUES (NULL, $_SESSION[course_id],
  59                         ".RL_TYPE_AV.",
  60                         '$_POST[title]',
  61                         '$_POST[author]',
  62                         '$_POST[publisher]',
  63                         '$_POST[date]',
  64                         '$_POST[comments]',
  65                         '',
  66                         '')";
  67                         $result = mysql_query($sql,$db);
  68
  69                         // index to new URL resource
  70                         $id_new = mysql_insert_id($db);
  71
  72                         $msg->addFeedback('ACTION_COMPLETED_SUCCESSFULLY');
  73                 } else { // modifying an existing URL resource
  74
  75                         $sql = "UPDATE ".TABLE_PREFIX."external_resources SET title='$_POST[title]', author='$_POST[author]', publisher='$_POST[publisher]', date='$_POST[date]', comments='$_POST[comments]' WHERE resource_id='$id' AND course_id=$_SESSION[course_id]";
  76
  77                         $result = mysql_query($sql,$db);
  78
  79                         // index to URL resource
  80                         $id_new = $id;
  81
  82                         $msg->addFeedback('ACTION_COMPLETED_SUCCESSFULLY');
  83                 }
  84
  85                 if (trim($_POST['page_return']) != ''){
  86                         header('Location: '. $_POST['page_return']. '?existingbook='. $id_new);
  87                 } else {
  88                         header('Location: index_instructor.php');
  89                 }
  90                 exit;
  91         } else { // submission contained an error, update form values for redisplay
  92                 $title       = $stripslashes($_POST['title']);
  93                 $author      = $stripslashes($_POST['author']);
  94                 $publisher   = $stripslashes($_POST['publisher']);
  95                 $date        = $stripslashes($_POST['date']);
  96                 $comments    = $stripslashes($_POST['comments']);
  97                 $page_return = $stripslashes($_POST['page_return']);
  98         }
  99 }
 100
 101 // is user modifying an existing AV resource?
 102 if ($id && !isset($_POST['submit'])){
 103         // yes, get resource from database
 104         $id = intval ($_GET['id']);
 105
 106         $sql = "SELECT * FROM ".TABLE_PREFIX."external_resources WHERE course_id=$_SESSION[course_id] AND resource_id=$id";
 107         $result = mysql_query($sql, $db);
 108         if ($row = mysql_fetch_assoc($result)){
 109                 $title     = AT_print($row['title'], 'input.text');
 110                 $author    = AT_print($row['author'], 'input.text');
 111                 $publisher = AT_print($row['publisher'], 'input.text');
 112                 $date      = AT_print($row['date'], 'input.text');
 113                 $comments  = AT_print($row['comments'], 'input.text');
 114         }
 115         // change title of page to 'edit AV resource' (default is 'add AV resource')
 116         $_pages['mods/_standard/reading_list/add_resource_av.php'][title_var] = 'rl_edit_resource_av';
 117 } else if ($id) {
 118         $_pages['mods/_standard/reading_list/add_resource_av.php'][title_var] = 'rl_edit_resource_av';
 119 }
 120
 121 $onload = 'document.form.name.focus();';
 122
 123 require(AT_INCLUDE_PATH.'header.inc.php');
 124 ?>
 125
 126 <form action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post" name="form">
 127 <input type="hidden" name="id" value="<?php echo $id ?>" />
 128 <input type="hidden" name="page_return" value="<?php echo $page_return ?>" />
 129
 130 <div class="input-form">
 131         <fieldset class="group_form"><legend class="group_form"><?php echo _AT('rl_add_resource_av'); ?></legend>
 132         <div class="row">
 133                 <span class="required" title="<?php echo _AT('required_field'); ?>">*</span><label for="title"><?php  echo _AT('title'); ?></label><br />
 134                 <input type="text" name="title" size="35" id="title" value="<?php echo $title; ?>" />
 135         </div>
 136
 137         <div class="row">
 138                 <span class="required" title="<?php echo _AT('required_field'); ?>">*</span><label for="author"><?php  echo _AT('author'); ?></label><br />
 139                 <input type="text" name="author" size="25" id="author" value="<?php echo $author; ?>" />
 140         </div>
 141
 142         <div class="row">
 143                 <label for="date"><?php  echo _AT('rl_year_written'); ?></label><br />
 144                 <input type="text" name="date" size="6" id="date" value="<?php echo $date; ?>" />
 145         </div>
 146
 147         <div class="row">
 148                 <label for="publisher"><?php  echo _AT('rl_publisher'); ?></label><br />
 149                 <input type="text" name="publisher" size="20" id="publisher" value="<?php echo $publisher; ?>" />
 150         </div>
 151
 152         <div class="row">
 153                 <label for="comments"><?php  echo _AT('comment'); ?></label><br />
 154                 <textarea name="comments" cols="30" rows="2" id="comments"><?php echo $comments; ?></textarea>
 155         </div>
 156
 157         <div class="row buttons">
 158                 <input type="submit" name="submit" value="<?php echo _AT('save'); ?>" accesskey="s" />
 159                 <input type="submit" name="cancel" value="<?php echo _AT('cancel'); ?>" />
 160         </div>
 161         </fieldset>
 162 </div>
 163 </form>
 164
 165 <?php require(AT_INCLUDE_PATH.'footer.inc.php'); ?>