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   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * Provides the course_reset_form class.
  19   *
  20   * @package     core
  21   * @copyright   2007 Petr Skoda
  22   * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  defined('MOODLE_INTERNAL') || die();
  26  
  27  require_once $CFG->libdir.'/formslib.php';
  28  
  29  /**
  30   * Defines the course reset settings form.
  31   *
  32   * @copyright   2007 Petr Skoda
  33   * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  34   */
  35  class course_reset_form extends moodleform {
  36      function definition (){
  37          global $CFG, $COURSE, $DB;
  38  
  39          $mform =& $this->_form;
  40  
  41          $mform->addElement('header', 'generalheader', get_string('general'));
  42  
  43          $mform->addElement('date_selector', 'reset_start_date', get_string('startdate'), array('optional'=>true));
  44          $mform->addHelpButton('reset_start_date', 'startdate');
  45          $mform->addElement('checkbox', 'reset_events', get_string('deleteevents', 'calendar'));
  46          $mform->addElement('checkbox', 'reset_notes', get_string('deletenotes', 'notes'));
  47          $mform->addElement('checkbox', 'reset_comments', get_string('deleteallcomments', 'moodle'));
  48          $mform->addElement('checkbox', 'reset_completion', get_string('deletecompletiondata', 'completion'));
  49          $mform->addElement('checkbox', 'delete_blog_associations', get_string('deleteblogassociations', 'blog'));
  50          $mform->addHelpButton('delete_blog_associations', 'deleteblogassociations', 'blog');
  51          $mform->addElement('checkbox', 'reset_competency_ratings', get_string('deletecompetencyratings', 'core_competency'));
  52  
  53          $mform->addElement('header', 'rolesheader', get_string('roles'));
  54  
  55          $roles = get_assignable_roles(context_course::instance($COURSE->id));
  56          $roles[0] = get_string('noroles', 'role');
  57          $roles = array_reverse($roles, true);
  58  
  59          $mform->addElement('select', 'unenrol_users', get_string('unenrolroleusers', 'enrol'), $roles, array('multiple' => 'multiple'));
  60          $mform->addElement('checkbox', 'reset_roles_overrides', get_string('deletecourseoverrides', 'role'));
  61          $mform->setAdvanced('reset_roles_overrides');
  62          $mform->addElement('checkbox', 'reset_roles_local', get_string('deletelocalroles', 'role'));
  63  
  64  
  65          $mform->addElement('header', 'gradebookheader', get_string('gradebook', 'grades'));
  66  
  67          $mform->addElement('checkbox', 'reset_gradebook_items', get_string('removeallcourseitems', 'grades'));
  68          $mform->addHelpButton('reset_gradebook_items', 'removeallcourseitems', 'grades');
  69          $mform->addElement('checkbox', 'reset_gradebook_grades', get_string('removeallcoursegrades', 'grades'));
  70          $mform->addHelpButton('reset_gradebook_grades', 'removeallcoursegrades', 'grades');
  71          $mform->disabledIf('reset_gradebook_grades', 'reset_gradebook_items', 'checked');
  72  
  73  
  74          $mform->addElement('header', 'groupheader', get_string('groups'));
  75  
  76          $mform->addElement('checkbox', 'reset_groups_remove', get_string('deleteallgroups', 'group'));
  77          $mform->setAdvanced('reset_groups_remove');
  78          $mform->addElement('checkbox', 'reset_groups_members', get_string('removegroupsmembers', 'group'));
  79          $mform->setAdvanced('reset_groups_members');
  80          $mform->disabledIf('reset_groups_members', 'reset_groups_remove', 'checked');
  81  
  82          $mform->addElement('checkbox', 'reset_groupings_remove', get_string('deleteallgroupings', 'group'));
  83          $mform->setAdvanced('reset_groupings_remove');
  84          $mform->addElement('checkbox', 'reset_groupings_members', get_string('removegroupingsmembers', 'group'));
  85          $mform->setAdvanced('reset_groupings_members');
  86          $mform->disabledIf('reset_groupings_members', 'reset_groupings_remove', 'checked');
  87  
  88          $unsupported_mods = array();
  89          if ($allmods = $DB->get_records('modules') ) {
  90              foreach ($allmods as $mod) {
  91                  $modname = $mod->name;
  92                  $modfile = $CFG->dirroot."/mod/$modname/lib.php";
  93                  $mod_reset_course_form_definition = $modname.'_reset_course_form_definition';
  94                  $mod_reset__userdata = $modname.'_reset_userdata';
  95                  if (file_exists($modfile)) {
  96                      if (!$DB->count_records($modname, array('course'=>$COURSE->id))) {
  97                          continue; // Skip mods with no instances
  98                      }
  99                      include_once($modfile);
 100                      if (function_exists($mod_reset_course_form_definition)) {
 101                          $mod_reset_course_form_definition($mform);
 102                      } else if (!function_exists($mod_reset__userdata)) {
 103                          $unsupported_mods[] = $mod;
 104                      }
 105                  } else {
 106                      debugging('Missing lib.php in '.$modname.' module');
 107                  }
 108              }
 109          }
 110          // mention unsupported mods
 111          if (!empty($unsupported_mods)) {
 112              $mform->addElement('header', 'unsupportedheader', get_string('resetnotimplemented'));
 113              foreach($unsupported_mods as $mod) {
 114                  $mform->addElement('static', 'unsup'.$mod->name, get_string('modulenameplural', $mod->name));
 115                  $mform->setAdvanced('unsup'.$mod->name);
 116              }
 117          }
 118  
 119          $mform->addElement('hidden', 'id', $COURSE->id);
 120          $mform->setType('id', PARAM_INT);
 121  
 122          $buttonarray = array();
 123          $buttonarray[] = &$mform->createElement('submit', 'submitbutton', get_string('resetcourse'));
 124          $buttonarray[] = &$mform->createElement('submit', 'selectdefault', get_string('selectdefault'));
 125          $buttonarray[] = &$mform->createElement('submit', 'deselectall', get_string('deselectall'));
 126          $buttonarray[] = &$mform->createElement('cancel');
 127          $mform->addGroup($buttonarray, 'buttonar', '', array(' '), false);
 128          $mform->closeHeaderBefore('buttonar');
 129      }
 130  
 131      function load_defaults() {
 132          global $CFG, $COURSE, $DB;
 133  
 134          $mform =& $this->_form;
 135  
 136          $defaults = array ('reset_events'=>1, 'reset_roles_local'=>1, 'reset_gradebook_grades'=>1, 'reset_notes'=>1);
 137  
 138          // Set student as default in unenrol user list, if role with student archetype exist.
 139          if ($studentrole = get_archetype_roles('student')) {
 140              $defaults['unenrol_users'] = array_keys($studentrole);
 141          }
 142  
 143          if ($allmods = $DB->get_records('modules') ) {
 144              foreach ($allmods as $mod) {
 145                  $modname = $mod->name;
 146                  $modfile = $CFG->dirroot."/mod/$modname/lib.php";
 147                  $mod_reset_course_form_defaults = $modname.'_reset_course_form_defaults';
 148                  if (file_exists($modfile)) {
 149                      @include_once($modfile);
 150                      if (function_exists($mod_reset_course_form_defaults)) {
 151                          if ($moddefs = $mod_reset_course_form_defaults($COURSE)) {
 152                              $defaults = $defaults + $moddefs;
 153                          }
 154                      }
 155                  }
 156              }
 157          }
 158  
 159          foreach ($defaults as $element=>$default) {
 160              $mform->setDefault($element, $default);
 161          }
 162      }
 163  }