course/reset_form.php

   1 <?php // $Id$
   2 if (!defined('MOODLE_INTERNAL')) {
   3     die('Direct access to this script is forbidden.');    ///  It must be included from a Moodle page
   4 }
   5
   6 require_once $CFG->libdir.'/formslib.php';
   7
   8 class course_reset_form extends moodleform {
   9     function definition (){
  10         global $CFG, $COURSE;
  11
  12         $mform =& $this->_form;
  13
  14         $mform->addElement('header', 'generalheader', get_string('general'));
  15
  16         $mform->addElement('date_selector', 'reset_start_date', get_string('startdate'), array('optional'=>true));
  17         $mform->setHelpButton('reset_start_date', array('coursestartdate', get_string('startdate')));
  18         $mform->addElement('checkbox', 'reset_events', get_string('deleteevents', 'calendar'));
  19         $mform->addElement('checkbox', 'reset_logs', get_string('deletelogs'));
  20         $mform->addElement('checkbox', 'reset_notes', get_string('deletenotes', 'notes'));
  21
  22
  23         $mform->addElement('header', 'rolesheader', get_string('roles'));
  24
  25         $roles = get_assignable_roles(get_context_instance(CONTEXT_COURSE, $COURSE->id));
  26         $mform->addElement('select', 'reset_roles', get_string('unenrolroleusers'), $roles, array('multiple' => 'multiple'));
  27         $mform->addElement('checkbox', 'reset_roles_overrides', get_string('deletecourseoverrides', 'role'));
  28         $mform->setAdvanced('reset_roles_overrides');
  29         $mform->addElement('checkbox', 'reset_roles_local', get_string('deletelocalroles', 'role'));
  30
  31
  32         $mform->addElement('header', 'gradebookheader', get_string('gradebook', 'grades'));
  33
  34         $mform->addElement('checkbox', 'reset_gradebook_items', get_string('removeallcourseitems', 'grades'));
  35         $mform->addElement('checkbox', 'reset_gradebook_grades', get_string('removeallcoursegrades', 'grades'));
  36         $mform->disabledIf('reset_gradebook_grades', 'reset_gradebook_items', 'checked');
  37
  38
  39         $mform->addElement('header', 'groupheader', get_string('groups'));
  40
  41         $mform->addElement('checkbox', 'reset_groups_remove', get_string('deleteallgroups', 'group'));
  42         $mform->setAdvanced('reset_groups_remove');
  43         $mform->addElement('checkbox', 'reset_groups_members', get_string('removegroupsmembers', 'group'));
  44         $mform->setAdvanced('reset_groups_members');
  45         $mform->disabledIf('reset_groups_members', 'reset_groups_remove', 'checked');
  46
  47         if (!empty($CFG->enablegroupings)) {
  48             $mform->addElement('checkbox', 'reset_groupings_remove', get_string('deleteallgroupings', 'group'));
  49             $mform->setAdvanced('reset_groupings_remove');
  50             $mform->addElement('checkbox', 'reset_groupings_members', get_string('removegroupingsmembers', 'group'));
  51             $mform->setAdvanced('reset_groupings_members');
  52             $mform->disabledIf('reset_groupings_members', 'reset_groupings_remove', 'checked');
  53         }
  54
  55         $unsupported_mods = array();
  56         if ($allmods = get_records('modules') ) {
  57             foreach ($allmods as $mod) {
  58                 $modname = $mod->name;
  59                 if (!count_records($modname, 'course', $COURSE->id)) {
  60                     continue; // skip mods with no instances
  61                 }
  62                 $modfile = $CFG->dirroot."/mod/$modname/lib.php";
  63                 $mod_reset_course_form_definition = $modname.'_reset_course_form_definition';
  64                 $mod_reset__userdata = $modname.'_reset_userdata';
  65                 if (file_exists($modfile)) {
  66                     include_once($modfile);
  67                     if (function_exists($mod_reset_course_form_definition)) {
  68                         $mod_reset_course_form_definition($mform);
  69                     } else if (!function_exists($mod_reset__userdata)) {
  70                         $unsupported_mods[] = $mod;
  71                     }
  72                 } else {
  73                     debugging('Missing lib.php in '.$modname.' module');
  74                 }
  75             }
  76         }
  77         // mention unsupported mods
  78         if (!empty($unsupported_mods)) {
  79             $mform->addElement('header', 'unsupportedheader', get_string('resetnotimplemented'));
  80             foreach($unsupported_mods as $mod) {
  81                 $mform->addElement('static', 'unsup'.$mod->name, get_string('modulenameplural', $mod->name));
  82                 $mform->setAdvanced('unsup'.$mod->name);
  83             }
  84         }
  85
  86         $mform->addElement('hidden', 'id', $COURSE->id);
  87         $mform->setType('id', PARAM_INT);
  88
  89         $buttonarray = array();
  90         $buttonarray[] = &$mform->createElement('submit', 'submitbutton', get_string('resetcourse'));
  91         $buttonarray[] = &$mform->createElement('submit', 'selectdefault', get_string('selectdefault'));
  92         $buttonarray[] = &$mform->createElement('submit', 'deselectall', get_string('deselectall'));
  93         $buttonarray[] = &$mform->createElement('cancel');
  94         $mform->addGroup($buttonarray, 'buttonar', '', array(' '), false);
  95         $mform->closeHeaderBefore('buttonar');
  96     }
  97
  98     function load_defaults() {
  99         global $CFG, $COURSE;
 100
 101         $mform =& $this->_form;
 102
 103         $defaults = array ('reset_events'=>1, 'reset_logs'=>1, 'reset_roles_local'=>1, 'reset_gradebook_grades'=>1, 'reset_notes'=>1);
 104
 105         if (!empty($COURSE->defaultrole)) {
 106             $defaults['reset_roles'] = array($COURSE->defaultrole);
 107         } else {
 108             $defaults['reset_roles'] = array($CFG->defaultcourseroleid);
 109         }
 110
 111         if ($allmods = get_records('modules') ) {
 112             foreach ($allmods as $mod) {
 113                 $modname = $mod->name;
 114                 $modfile = $CFG->dirroot."/mod/$modname/lib.php";
 115                 $mod_reset_course_form_defaults = $modname.'_reset_course_form_defaults';
 116                 if (file_exists($modfile)) {
 117                     @include_once($modfile);
 118                     if (function_exists($mod_reset_course_form_defaults)) {
 119                         if ($moddefs = $mod_reset_course_form_defaults($COURSE)) {
 120                             $defaults = $defaults + $moddefs;
 121                         }
 122                     }
 123                 }
 124             }
 125         }
 126
 127         foreach ($defaults as $element=>$default) {
 128             $mform->setDefault($element, $default);
 129         }
 130     }
 131 }