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   1  <?php // $Id: reset_form.php,v 1.1.2.1 2007/11/29 14:40:50 skodak Exp $
   2  require_once $CFG->libdir.'/formslib.php';
   3  
   4  class course_reset_form extends moodleform {
   5      function definition (){
   6          global $CFG, $COURSE;
   7  
   8          $mform =& $this->_form;
   9  
  10          $mform->addElement('header', 'generalheader', get_string('general'));
  11  
  12          $mform->addElement('date_selector', 'reset_start_date', get_string('startdate'), array('optional'=>true));
  13          $mform->setHelpButton('reset_start_date', array('coursestartdate', get_string('startdate')));
  14          $mform->addElement('checkbox', 'reset_events', get_string('deleteevents', 'calendar'));
  15          $mform->addElement('checkbox', 'reset_logs', get_string('deletelogs'));
  16          $mform->addElement('checkbox', 'reset_notes', get_string('deletenotes', 'notes'));
  17  
  18  
  19          $mform->addElement('header', 'rolesheader', get_string('roles'));
  20  
  21          $roles = get_assignable_roles(get_context_instance(CONTEXT_COURSE, $COURSE->id));
  22          $mform->addElement('select', 'reset_roles', get_string('unenrolroleusers'), $roles, array('multiple' => 'multiple'));
  23          $mform->addElement('checkbox', 'reset_roles_overrides', get_string('deletecourseoverrides', 'role'));
  24          $mform->setAdvanced('reset_roles_overrides');
  25          $mform->addElement('checkbox', 'reset_roles_local', get_string('deletelocalroles', 'role'));
  26  
  27  
  28          $mform->addElement('header', 'gradebookheader', get_string('gradebook', 'grades'));
  29  
  30          $mform->addElement('checkbox', 'reset_gradebook_items', get_string('removeallcourseitems', 'grades'));
  31          $mform->addElement('checkbox', 'reset_gradebook_grades', get_string('removeallcoursegrades', 'grades'));
  32          $mform->disabledIf('reset_gradebook_grades', 'reset_gradebook_items', 'checked');
  33  
  34  
  35          $mform->addElement('header', 'groupheader', get_string('groups'));
  36  
  37          $mform->addElement('checkbox', 'reset_groups_remove', get_string('deleteallgroups', 'group'));
  38          $mform->setAdvanced('reset_groups_remove');
  39          $mform->addElement('checkbox', 'reset_groups_members', get_string('removegroupsmembers', 'group'));
  40          $mform->setAdvanced('reset_groups_members');
  41          $mform->disabledIf('reset_groups_members', 'reset_groups_remove', 'checked');
  42  
  43          if (!empty($CFG->enablegroupings)) {
  44              $mform->addElement('checkbox', 'reset_groupings_remove', get_string('deleteallgroupings', 'group'));
  45              $mform->setAdvanced('reset_groupings_remove');
  46              $mform->addElement('checkbox', 'reset_groupings_members', get_string('removegroupingsmembers', 'group'));
  47              $mform->setAdvanced('reset_groupings_members');
  48              $mform->disabledIf('reset_groupings_members', 'reset_groupings_remove', 'checked');
  49          }
  50  
  51          $unsupported_mods = array();
  52          if ($allmods = get_records('modules') ) {
  53              foreach ($allmods as $mod) {
  54                  $modname = $mod->name;
  55                  if (!count_records($modname, 'course', $COURSE->id)) {
  56                      continue; // skip mods with no instances
  57                  }
  58                  $modfile = $CFG->dirroot."/mod/$modname/lib.php";
  59                  $mod_reset_course_form_definition = $modname.'_reset_course_form_definition';
  60                  $mod_reset__userdata = $modname.'_reset_userdata';
  61                  if (file_exists($modfile)) {
  62                      include_once($modfile);
  63                      if (function_exists($mod_reset_course_form_definition)) {
  64                          $mod_reset_course_form_definition($mform);
  65                      } else if (!function_exists($mod_reset__userdata)) {
  66                          $unsupported_mods[] = $mod;
  67                      }
  68                  } else {
  69                      debugging('Missing lib.php in '.$modname.' module');
  70                  }
  71              }
  72          }
  73          // mention unsupported mods
  74          if (!empty($unsupported_mods)) {
  75              $mform->addElement('header', 'unsupportedheader', get_string('resetnotimplemented'));
  76              foreach($unsupported_mods as $mod) {
  77                  $mform->addElement('static', 'unsup'.$mod->name, get_string('modulenameplural', $mod->name));
  78                  $mform->setAdvanced('unsup'.$mod->name);
  79              }
  80          }
  81  
  82          $mform->addElement('hidden', 'id', $COURSE->id);
  83  
  84          $buttonarray = array();
  85          $buttonarray[] = &$mform->createElement('submit', 'submitbutton', get_string('resetcourse'));
  86          $buttonarray[] = &$mform->createElement('submit', 'selectdefault', get_string('selectdefault'));
  87          $buttonarray[] = &$mform->createElement('submit', 'deselectall', get_string('deselectall'));
  88          $buttonarray[] = &$mform->createElement('cancel');
  89          $mform->addGroup($buttonarray, 'buttonar', '', array(' '), false);
  90          $mform->closeHeaderBefore('buttonar');
  91      }
  92  
  93      function load_defaults() {
  94          global $CFG, $COURSE;
  95  
  96          $mform =& $this->_form;
  97  
  98          $defaults = array ('reset_events'=>1, 'reset_logs'=>1, 'reset_roles_local'=>1, 'reset_gradebook_grades'=>1, 'reset_notes'=>1);
  99  
 100          if (!empty($COURSE->defaultrole)) {
 101              $defaults['reset_roles'] = array($COURSE->defaultrole);
 102          } else {
 103              $defaults['reset_roles'] = array($CFG->defaultcourseroleid);
 104          }
 105  
 106          if ($allmods = get_records('modules') ) {
 107              foreach ($allmods as $mod) {
 108                  $modname = $mod->name;
 109                  $modfile = $CFG->dirroot."/mod/$modname/lib.php";
 110                  $mod_reset_course_form_defaults = $modname.'_reset_course_form_defaults';
 111                  if (file_exists($modfile)) {
 112                      @include_once($modfile);
 113                      if (function_exists($mod_reset_course_form_defaults)) {
 114                          $defaults = $defaults + $mod_reset_course_form_defaults($COURSE);
 115                      }
 116                  }
 117              }
 118          }
 119  
 120          foreach ($defaults as $element=>$default) {
 121              $mform->setDefault($element, $default);
 122          }
 123      }
 124  }