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   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  ?>