enrol/mnet/allowed_courses.php

   1 <?php
   2
   3 /*
   4  * Created on 12/12/2006
   5  *
   6  * MNET enrol allowed courses and categories form
   7  */
   8
   9 require_once dirname(dirname(dirname(__FILE__))) . '/config.php';
  10 require_once $CFG->libdir . '/adminlib.php';
  11 include_once $CFG->dirroot . '/mnet/lib.php';
  12
  13
  14 admin_externalpage_setup('ssoaccesscontrol');
  15 admin_externalpage_print_header();
  16
  17 $addcategory    = optional_param('addcategory', 0, PARAM_BOOL);
  18 $removecategory = optional_param('removecategory', 0, PARAM_BOOL);
  19 $addcourse      = optional_param('addcourse', 0, PARAM_BOOL);
  20 $removecourse   = optional_param('removecourse', 0, PARAM_BOOL);
  21
  22 $sitecontext = get_context_instance(CONTEXT_SYSTEM);
  23 $sesskey = sesskey();
  24 $formerror = array();
  25
  26 require_capability('moodle/user:delete', $sitecontext);
  27
  28 // process returned form data
  29 if ($form = data_submitted() and confirm_sesskey()) {
  30
  31     // add and remove categories as needed
  32     if (!empty($CFG->enrol_mnet_allowed_categories)) {
  33         $allowedcategories = explode(',', $CFG->enrol_mnet_allowed_categories);
  34     }
  35     if ($addcategory and !empty($form->addcategories)) {
  36         foreach ($form->addcategories as $category) {
  37             if (!$category = clean_param($category, PARAM_INT)) {
  38                 continue;
  39             }
  40             $allowedcategories[] = $category;
  41         }
  42     }
  43     if ($removecategory and !empty($form->removecategories)) {
  44         foreach ($form->removecategories as $category) {
  45             if ($category = clean_param($category, PARAM_INT)) {
  46                 $removedcategories[] = $category;
  47             }
  48         }
  49         $allowedcategories = array_diff($allowedcategories, $removedcategories);
  50     }
  51
  52     // add and remove courses as needed
  53     if (!empty($CFG->enrol_mnet_allowed_courses)) {
  54         $allowedcourses = explode(',', $CFG->enrol_mnet_allowed_courses);
  55     }
  56     if ($addcourse and !empty($form->addcourses)) {
  57         foreach ($form->addcourses as $course) {
  58             if ($course = clean_param($course, PARAM_INT)) {
  59                 $allowedcourses[] = $course;
  60             }
  61         }
  62     }
  63     if ($removecourse and !empty($form->removecourses)) {
  64         foreach ($form->removecourses as $course) {
  65             if (!$course = clean_param($course, PARAM_INT)) {
  66                 continue;
  67             }
  68             $removedcourses[] = $course;
  69         }
  70         $allowedcourses = array_diff($allowedcourses, $removedcourses);
  71     }
  72
  73     // save config
  74     $cfg = empty($allowedcategories) ? '' : implode(',', $allowedcategories);
  75     set_config('enrol_mnet_allowed_categories', $cfg);
  76     $cfg = empty($allowedcourses) ? '' : implode(',', $allowedcourses);
  77     set_config('enrol_mnet_allowed_courses', $cfg);
  78
  79     // redirect('allowed_courses.php', get_string('changessaved'));
  80 }
  81
  82
  83
  84 // setup arrays for allowed categories and courses
  85 $categories = array();
  86 if ($categories = get_records('course_categories', '', '', 'name', 'id, name')) {
  87     $allowedcategories = array();
  88     if (empty($CFG->enrol_mnet_allowed_categories)) {
  89         $potentialcategories = $categories;
  90     } else {
  91         $potentialcategories = array();
  92         $explode_categories = explode(',', $CFG->enrol_mnet_allowed_categories);
  93         foreach($categories as $category) {
  94             if (in_array($category->id, $explode_categories)) {
  95                 $allowedcategories[] = $category;
  96             } else {
  97                 $potentialcategories[] = $category;
  98             }
  99         }
 100     }
 101 }
 102 $courses = array();
 103 if ($courses = get_records('course', '', '', 'shortname', 'id, shortname')) {
 104     unset($courses[SITEID]); // never list or offer the siteid
 105     $allowedcourses = array();
 106     if (empty($CFG->enrol_mnet_allowed_courses)) {
 107         $potentialcourses = $courses;
 108     } else {
 109         $potentialcourses = array();
 110         $explode_courses = explode(',', $CFG->enrol_mnet_allowed_courses);
 111         foreach($courses as $course) {
 112             if (in_array($course->id, $explode_courses)) {
 113                 $allowedcourses[] = $course;
 114             } else {
 115                 $potentialcourses[] = $course;
 116             }
 117         }
 118     }
 119 }
 120
 121
 122
 123 // output the form
 124 print_simple_box_start('center','90%','','20');
 125
 126 ?>
 127  <div class="allowedcoursesdiv">
 128   <form id="allowedcoursesform" method="post">
 129     <input type="hidden" name="sesskey" value="<?php echo $sesskey; ?>" />
 130 <?php
 131
 132 // display course category selector
 133 if (count($categories) < 1) {
 134     echo get_string('nocategoriesdefined', 'enrol_mnet', "$CFG->wwwroot/course/index.php?categoryedit=on");
 135 } else {
 136
 137 ?>
 138    <table align="center" border="0" cellpadding="5" cellspacing="0">
 139     <tr>
 140       <td valign="top">
 141           <?php print_string('allowedcategories', 'enrol_mnet', count($allowedcategories)); ?>
 142       </td>
 143       <td></td>
 144       <td valign="top">
 145           <?php print_string('allcategories', 'enrol_mnet', count($potentialcategories)); ?>
 146       </td>
 147     </tr>
 148
 149     <tr>
 150       <td valign="top">
 151           <select name="removecategories[]" size="20" id="removecategories" multiple="multiple"
 152                   onfocus="getElementById('allowedcoursesform').addcategory.disabled=true;
 153                            getElementById('allowedcoursesform').removecategory.disabled=false;
 154                            getElementById('allowedcoursesform').addcategories.selectedIndex=-1;" >
 155           <?php
 156               foreach ($allowedcategories as $category) {
 157                   echo "<option value=\"$category->id\"> " . format_string($category->name) . " </option>\n";
 158               }
 159           ?>
 160           </select>
 161       </td>
 162
 163       <td valign="top">
 164         <br />
 165         <input name="addcategory" type="submit" id="add" value="&larr;" />
 166         <br />
 167         <input name="removecategory" type="submit" id="remove" value="&rarr;" />
 168         <br />
 169       </td>
 170
 171       <td valign="top">
 172           <select name="addcategories[]" size="20" id="addcategories" multiple="multiple"
 173                   onFocus="getElementById('allowedcoursesform').addcategory.disabled=false;
 174                            getElementById('allowedcoursesform').removecategory.disabled=true;
 175                            getElementById('allowedcoursesform').removecategories.selectedIndex=-1;">
 176           <?php
 177             foreach ($potentialcategories as $category) {
 178                 echo "<option value=\"$category->id\"> " . format_string($category->name) . " </option>\n";
 179             }
 180         ?>
 181         </select>
 182        </td>
 183     </tr>
 184    </table>
 185 <?php
 186
 187 }
 188
 189 // display course selector
 190 if (count($courses) < 1) {
 191     echo get_string('nocoursesdefined', 'enrol_mnet', "TODO: $course_admin_url"); // TODO
 192 } else {
 193
 194 ?>
 195    <table align="center" border="0" cellpadding="5" cellspacing="0">
 196     <tr>
 197       <td valign="top">
 198           <?php print_string('allowedcourses', 'enrol_mnet', count($allowedcourses)); ?>
 199       </td>
 200       <td></td>
 201       <td valign="top">
 202           <?php print_string('allcourses', 'enrol_mnet', count($potentialcourses)); ?>
 203       </td>
 204     </tr>
 205
 206     <tr>
 207       <td valign="top">
 208           <select name="removecourses[]" size="20" id="removecourses" multiple="multiple"
 209                   onFocus="getElementById('allowedcoursesform').addcourse.disabled=true;
 210                            getElementById('allowedcoursesform').removecourse.disabled=false;
 211                            getElementById('allowedcoursesform').addcourses.selectedIndex=-1;">
 212           <?php
 213               foreach ($allowedcourses as $course) {
 214                   echo "<option value=\"$course->id\"> " . format_string($course->shortname) . " </option>\n";
 215               }
 216           ?>
 217           </select>
 218       </td>
 219
 220       <td valign="top">
 221         <br />
 222         <input name="addcourse" type="submit" id="add" value="&larr;" />
 223         <br />
 224         <input name="removecourse" type="submit" id="remove" value="&rarr;" />
 225         <br />
 226       </td>
 227
 228       <td valign="top">
 229           <select name="addcourses[]" size="20" id="addcourses" multiple="multiple"
 230                   onFocus="getElementById('allowedcoursesform').addcourse.disabled=false;
 231                            getElementById('allowedcoursesform').removecourse.disabled=true;
 232                            getElementById('allowedcoursesform').removecourses.selectedIndex=-1;">
 233           <?php
 234             foreach ($potentialcourses as $course) {
 235                 echo "<option value=\"$course->id\"> " . format_string($course->shortname) . " </option>\n";
 236             }
 237         ?>
 238         </select>
 239        </td>
 240     </tr>
 241    </table>
 242 <?php
 243
 244 }
 245
 246 ?>
 247    </form>
 248   </div>
 249 <?php
 250
 251 print_simple_box_end();
 252 admin_externalpage_print_footer();
 253
 254 ?>