course/reset_form.php

   1 <?php // $Id$
   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         $mform->setType('id', PARAM_INT);
  84
  85         $buttonarray = array();
  86         $buttonarray[] = &$mform->createElement('submit', 'submitbutton', get_string('resetcourse'));
  87         $buttonarray[] = &$mform->createElement('submit', 'selectdefault', get_string('selectdefault'));
  88         $buttonarray[] = &$mform->createElement('submit', 'deselectall', get_string('deselectall'));
  89         $buttonarray[] = &$mform->createElement('cancel');
  90         $mform->addGroup($buttonarray, 'buttonar', '', array(' '), false);
  91         $mform->closeHeaderBefore('buttonar');
  92     }
  93
  94     function load_defaults() {
  95         global $CFG, $COURSE;
  96
  97         $mform =& $this->_form;
  98
  99         $defaults = array ('reset_events'=>1, 'reset_logs'=>1, 'reset_roles_local'=>1, 'reset_gradebook_grades'=>1, 'reset_notes'=>1);
 100
 101         if (!empty($COURSE->defaultrole)) {
 102             $defaults['reset_roles'] = array($COURSE->defaultrole);
 103         } else {
 104             $defaults['reset_roles'] = array($CFG->defaultcourseroleid);
 105         }
 106
 107         if ($allmods = get_records('modules') ) {
 108             foreach ($allmods as $mod) {
 109                 $modname = $mod->name;
 110                 $modfile = $CFG->dirroot."/mod/$modname/lib.php";
 111                 $mod_reset_course_form_defaults = $modname.'_reset_course_form_defaults';
 112                 if (file_exists($modfile)) {
 113                     @include_once($modfile);
 114                     if (function_exists($mod_reset_course_form_defaults)) {
 115                         if ($moddefs = $mod_reset_course_form_defaults($COURSE)) {
 116                             $defaults = $defaults + $moddefs;
 117                         }
 118                     }
 119                 }
 120             }
 121         }
 122
 123         foreach ($defaults as $element=>$default) {
 124             $mform->setDefault($element, $default);
 125         }
 126     }
 127 }