include/lib/alternatives_functions.inc.php

   1 <?php
   2 /****************************************************************/
   3 /* ATutor                                                                                                               */
   4 /****************************************************************/
   5 /* Copyright (c) 2002-2008 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
  15 /**
  16 * It provides a link to a resource, which opens such a resource in a new window.
  17 * @access       public
  18 * @param        $resource:                      the name of the file.
  19 * @return
  20 * @see
  21 * @author       Silvia Mirri
  22 */
  23 function link_name_resource($resource){
  24         echo '<a href="'.$resource.'" target="_blank">'.$resource.'</a>';
  25 }
  26
  27 /**
  28 * It provides in the page the appropriated checkbox, in order to allow type resource and type alternative specification.
  29 * @access       public
  30 * @param        $resource_id:           the id of the resource.
  31 * @param        $alt:                           it identifies if the resource is a primary or an alternative one.
  32 * @param        $kind:                          it identifies the resource type: if the resource is textual or not.
  33 * @return
  34 * @see          $db                             in include/vitals.inc.php
  35 * @author       Silvia Mirri
  36 */
  37 function checkbox_types($resource_id, $alt, $kind){
  38         global $db;
  39
  40         $legend = $alt.'_resource_type';
  41         echo '<fieldset>';
  42         echo '<legend>'. _AT($legend).'</legend>';
  43
  44         $sql_types              = "SELECT * FROM ".TABLE_PREFIX."resource_types";
  45         $types                  = mysql_query($sql_types, $db);
  46
  47         $sql_set_types  = "SELECT type_id FROM ".TABLE_PREFIX.$alt."_resources_types where ".$alt."_resource_id=".$resource_id;
  48         $set_types              = mysql_query($sql_set_types, $db);
  49
  50         $resource_types = false;
  51         $j                              = 0;
  52
  53         if (mysql_num_rows($set_types) > 0){
  54                 while ($set_type = mysql_fetch_assoc($set_types)) {
  55                         $resource_types[$j] = $set_type[type_id];
  56                         $j++;
  57                 }
  58         }
  59         else echo '<p class="unsaved">'. _AT('define_resource_type').'</p>';
  60
  61         while ($type = mysql_fetch_assoc($types)) {
  62                 if ((($alt == 'primary')) && ($kind == 'non_textual') && (($type['type'] == 'sign_language')))
  63                         continue;
  64                 else {
  65                         echo '<input type="checkbox" name="checkbox_'.$type['type'].'_'.$resource_id.'_'.$alt.'" value="'.$type['type'].'_'.$resource_id.'_'.$alt.'" id="'.$type['type'].'_'.$resource_id.'_'.$alt.'"';
  66
  67                         $m = count($resource_types);
  68                         for ($j=0; $j < $m; $j++){
  69                                 if (trim($resource_types[$j]) == trim($type[type_id])){
  70                                         echo 'checked="checked"';
  71                                         continue;
  72                                 }
  73                         }
  74                         echo '/>';
  75                         echo '<label for="'.$type['type'].'_'.$resource_id.'_'.$alt.'">';
  76                         if ($type['type']=='auditory')
  77                                 echo _AT('auditory');
  78                         if ($type['type']=='visual')
  79                                 echo _AT('visual');
  80                         if ($type['type']=='textual')
  81                                 echo _AT('textual');
  82                         if ($type['type']=='sign_language')
  83                                 echo _AT('sign_language');
  84                         echo '</label><br/>';
  85                 }
  86         }
  87         echo '</fieldset>';
  88 }
  89
  90 /**
  91 * It provides, for each alternative, a link through which it is possible to delete such an alternative resource declared for a particular original one.
  92 * @access       public
  93 * @param        $cid:                           content id.
  94 * @param        $resource:                      resource id.
  95 * @param        $current_tab:           the current tab id .
  96 * @return
  97 * @see
  98 * @author       Silvia Mirri
  99 */
 100 function delete_alternative($resource, $cid, $current_tab){
 101         echo '<a href="'.$_SERVER['PHP_SELF'].'?cid='.$cid. SEP .'tab='.$current_tab . SEP . 'act=delete'. SEP .'id_alt='.$resource[secondary_resource_id].' ">'. _AT('delete').' <strong>'. $resource[secondary_resource].'</strong></a>';
 102
 103 }
 104
 105