/**
  * Init user form
  */
 function initForm($a_mode)
 {
     global $lng, $ilCtrl, $styleDefinition, $ilSetting, $ilClientIniFile, $ilUser;
     $settings = $ilSetting->getAll();
     include_once "./Services/Form/classes/class.ilPropertyFormGUI.php";
     $this->form_gui = new ilPropertyFormGUI();
     $this->form_gui->setFormAction($ilCtrl->getFormAction($this));
     if ($a_mode == "create") {
         $this->form_gui->setTitle($lng->txt("usr_new"));
     } else {
         $this->form_gui->setTitle($lng->txt("usr_edit"));
     }
     // login data
     $sec_l = new ilFormSectionHeaderGUI();
     $sec_l->setTitle($lng->txt("login_data"));
     $this->form_gui->addItem($sec_l);
     // authentication mode
     include_once './Services/Authentication/classes/class.ilAuthUtils.php';
     $active_auth_modes = ilAuthUtils::_getActiveAuthModes();
     $am = new ilSelectInputGUI($lng->txt("auth_mode"), "auth_mode");
     $option = array();
     foreach ($active_auth_modes as $auth_name => $auth_key) {
         if ($auth_name == 'default') {
             $name = $this->lng->txt('auth_' . $auth_name) . " (" . $this->lng->txt('auth_' . ilAuthUtils::_getAuthModeName($auth_key)) . ")";
         } else {
             $name = $this->lng->txt('auth_' . $auth_name);
         }
         $option[$auth_name] = $name;
     }
     $am->setOptions($option);
     $this->form_gui->addItem($am);
     if ($a_mode == "edit") {
         $id = new ilNonEditableValueGUI($lng->txt("usr_id"), "id");
         $id->setValue($this->object->getId());
         $this->form_gui->addItem($id);
     }
     // login
     $lo = new ilUserLoginInputGUI($lng->txt("login"), "login");
     $lo->setRequired(true);
     if ($a_mode == "edit") {
         $lo->setCurrentUserId($this->object->getId());
         try {
             include_once 'Services/Calendar/classes/class.ilDate.php';
             $last_history_entry = ilObjUser::_getLastHistoryDataByUserId($this->object->getId());
             $lo->setInfo(sprintf($this->lng->txt('usr_loginname_history_info'), ilDatePresentation::formatDate(new ilDateTime($last_history_entry[1], IL_CAL_UNIX)), $last_history_entry[0]));
         } catch (ilUserException $e) {
         }
     }
     $this->form_gui->addItem($lo);
     $pw = new ilPasswordInputGUI($lng->txt("passwd"), "passwd");
     $pw->setSize(32);
     $pw->setMaxLength(32);
     $pw->setValidateAuthPost("auth_mode");
     if ($a_mode == "create") {
         $pw->setRequiredOnAuth(true);
     }
     $pw->setInfo(ilUtil::getPasswordRequirementsInfo());
     $this->form_gui->addItem($pw);
     // @todo: invisible/hidden passwords
     // external account
     include_once './Services/Authentication/classes/class.ilAuthUtils.php';
     if (ilAuthUtils::_isExternalAccountEnabled()) {
         $ext = new ilTextInputGUI($lng->txt("user_ext_account"), "ext_account");
         $ext->setSize(40);
         $ext->setMaxLength(250);
         $ext->setInfo($lng->txt("user_ext_account_desc"));
         $this->form_gui->addItem($ext);
     }
     // login data
     $sec_si = new ilFormSectionHeaderGUI();
     $sec_si->setTitle($this->lng->txt("system_information"));
     $this->form_gui->addItem($sec_si);
     // create date, approve date, agreement date, last login
     if ($a_mode == "edit") {
         $sia = array("create_date", "approve_date", "agree_date", "last_login", "owner");
         foreach ($sia as $a) {
             $siai = new ilNonEditableValueGUI($lng->txt($a), $a);
             $this->form_gui->addItem($siai);
         }
     }
     // active
     $ac = new ilCheckboxInputGUI($lng->txt("active"), "active");
     $ac->setChecked(true);
     $this->form_gui->addItem($ac);
     // access	@todo: get fields right (names change)
     $lng->loadLanguageModule('crs');
     // access
     $radg = new ilRadioGroupInputGUI($lng->txt("time_limit"), "time_limit_unlimited");
     $radg->setValue(1);
     $op1 = new ilRadioOption($lng->txt("user_access_unlimited"), 1);
     $radg->addOption($op1);
     $op2 = new ilRadioOption($lng->txt("user_access_limited"), 0);
     $radg->addOption($op2);
     //		$ac = new ilCheckboxInputGUI($lng->txt("time_limit"), "time_limit_unlimited");
     //		$ac->setChecked(true);
     //		$ac->setOptionTitle($lng->txt("crs_unlimited"));
     // access.from
     $acfrom = new ilDateTimeInputGUI($this->lng->txt("crs_from"), "time_limit_from");
     $acfrom->setShowTime(true);
     //		$ac->addSubItem($acfrom);
     $op2->addSubItem($acfrom);
     // access.to
     $acto = new ilDateTimeInputGUI($this->lng->txt("crs_to"), "time_limit_until");
     $acto->setShowTime(true);
     //		$ac->addSubItem($acto);
     $op2->addSubItem($acto);
     //		$this->form_gui->addItem($ac);
     $this->form_gui->addItem($radg);
     require_once 'Services/WebDAV/classes/class.ilDiskQuotaActivationChecker.php';
     if (ilDiskQuotaActivationChecker::_isActive()) {
         $lng->loadLanguageModule("file");
         $quota_head = new ilFormSectionHeaderGUI();
         $quota_head->setTitle($lng->txt("repository_disk_quota"));
         $this->form_gui->addItem($quota_head);
         // disk quota
         $disk_quota = new ilTextInputGUI($lng->txt("disk_quota"), "disk_quota");
         $disk_quota->setSize(10);
         $disk_quota->setMaxLength(11);
         $disk_quota->setInfo($this->lng->txt("enter_in_mb_desc"));
         $this->form_gui->addItem($disk_quota);
         if ($a_mode == "edit") {
             // show which disk quota is in effect, and explain why
             require_once 'Services/WebDAV/classes/class.ilDiskQuotaChecker.php';
             $dq_info = ilDiskQuotaChecker::_lookupDiskQuota($this->object->getId());
             if ($dq_info['user_disk_quota'] > $dq_info['role_disk_quota']) {
                 $info_text = sprintf($lng->txt('disk_quota_is_1_instead_of_2_by_3'), ilFormat::formatSize($dq_info['user_disk_quota'], 'short'), ilFormat::formatSize($dq_info['role_disk_quota'], 'short'), $dq_info['role_title']);
             } else {
                 if (is_infinite($dq_info['role_disk_quota'])) {
                     $info_text = sprintf($lng->txt('disk_quota_is_unlimited_by_1'), $dq_info['role_title']);
                 } else {
                     $info_text = sprintf($lng->txt('disk_quota_is_1_by_2'), ilFormat::formatSize($dq_info['role_disk_quota'], 'short'), $dq_info['role_title']);
                 }
             }
             $disk_quota->setInfo($this->lng->txt("enter_in_mb_desc") . '<br>' . $info_text);
             // disk usage
             $du_info = ilDiskQuotaChecker::_lookupDiskUsage($this->object->getId());
             $disk_usage = new ilNonEditableValueGUI($lng->txt("disk_usage"), "disk_usage");
             if ($du_info['last_update'] === null) {
                 $disk_usage->setValue($lng->txt('unknown'));
             } else {
                 require_once './Services/Utilities/classes/class.ilFormat.php';
                 $disk_usage->setValue(ilFormat::formatSize($du_info['disk_usage'], 'short'));
                 $info = '<table class="il_user_quota_disk_usage_overview">';
                 // write the count and size of each object type
                 foreach ($du_info['details'] as $detail_data) {
                     $info .= '<tr>' . '<td class="std">' . $detail_data['count'] . '</td>' . '<td class="std">' . $lng->txt($detail_data['type']) . '</td>' . '<td class="std">' . ilFormat::formatSize($detail_data['size'], 'short') . '</td>' . '</tr>';
                 }
                 $info .= '</table>';
                 $info .= '<br>' . $this->lng->txt('last_update') . ': ' . ilDatePresentation::formatDate(new ilDateTime($du_info['last_update'], IL_CAL_DATETIME));
                 $disk_usage->setInfo($info);
             }
             $this->form_gui->addItem($disk_usage);
             // date when the last disk quota reminder was sent to the user
             if (true || $dq_info['last_reminder']) {
                 $reminder = new ilNonEditableValueGUI($lng->txt("disk_quota_last_reminder_sent"), "last_reminder");
                 $reminder->setValue(ilDatePresentation::formatDate(new ilDateTime($dq_info['last_reminder'], IL_CAL_DATETIME)));
                 $reminder->setInfo($this->lng->txt("disk_quota_last_reminder_sent_desc"));
                 $this->form_gui->addItem($reminder);
             }
         }
     }
     if (ilDiskQuotaActivationChecker::_isPersonalWorkspaceActive()) {
         $lng->loadLanguageModule("file");
         $quota_head = new ilFormSectionHeaderGUI();
         $quota_head->setTitle($lng->txt("personal_workspace_disk_quota"));
         $this->form_gui->addItem($quota_head);
         // personal workspace disk quota
         $wsp_disk_quota = new ilTextInputGUI($lng->txt("disk_quota"), "wsp_disk_quota");
         $wsp_disk_quota->setSize(10);
         $wsp_disk_quota->setMaxLength(11);
         $wsp_disk_quota->setInfo($this->lng->txt("enter_in_mb_desc"));
         $this->form_gui->addItem($wsp_disk_quota);
         if ($a_mode == "edit") {
             // show which disk quota is in effect, and explain why
             require_once 'Services/WebDAV/classes/class.ilDiskQuotaChecker.php';
             $dq_info = ilDiskQuotaChecker::_lookupPersonalWorkspaceDiskQuota($this->object->getId());
             if ($dq_info['user_wsp_disk_quota'] > $dq_info['role_wsp_disk_quota']) {
                 $info_text = sprintf($lng->txt('disk_quota_is_1_instead_of_2_by_3'), ilFormat::formatSize($dq_info['user_wsp_disk_quota'], 'short'), ilFormat::formatSize($dq_info['role_wsp_disk_quota'], 'short'), $dq_info['role_title']);
             } else {
                 if (is_infinite($dq_info['role_wsp_disk_quota'])) {
                     $info_text = sprintf($lng->txt('disk_quota_is_unlimited_by_1'), $dq_info['role_title']);
                 } else {
                     $info_text = sprintf($lng->txt('disk_quota_is_1_by_2'), ilFormat::formatSize($dq_info['role_wsp_disk_quota'], 'short'), $dq_info['role_title']);
                 }
             }
             $wsp_disk_quota->setInfo($this->lng->txt("enter_in_mb_desc") . '<br>' . $info_text);
         }
         // disk usage
         include_once "Services/DiskQuota/classes/class.ilDiskQuotaHandler.php";
         $du_info = ilDiskQuotaHandler::getFilesizeByTypeAndOwner($this->object->getId());
         $disk_usage = new ilNonEditableValueGUI($lng->txt("disk_usage"), "disk_usage");
         if (!sizeof($du_info)) {
             $disk_usage->setValue($lng->txt('unknown'));
         } else {
             require_once './Services/Utilities/classes/class.ilFormat.php';
             $disk_usage->setValue(ilFormat::formatSize(ilDiskQuotaHandler::getFilesizeByOwner($this->object->getId())));
             $info = '<table class="il_user_quota_disk_usage_overview">';
             // write the count and size of each object type
             foreach ($du_info as $detail_data) {
                 $info .= '<tr>' . '<td class="std">' . $detail_data['count'] . '</td>' . '<td class="std">' . $lng->txt("obj_" . $detail_data["src_type"]) . '</td>' . '<td class="std">' . ilFormat::formatSize($detail_data['filesize'], 'short') . '</td>' . '</tr>';
             }
             $info .= '</table>';
             $disk_usage->setInfo($info);
         }
         $this->form_gui->addItem($disk_usage);
     }
     // personal data
     if ($this->isSettingChangeable('gender') or $this->isSettingChangeable('firstname') or $this->isSettingChangeable('lastname') or $this->isSettingChangeable('title') or $this->isSettingChangeable('personal_image') or $this->isSettingChangeable('birhtday')) {
         $sec_pd = new ilFormSectionHeaderGUI();
         $sec_pd->setTitle($this->lng->txt("personal_data"));
         $this->form_gui->addItem($sec_pd);
     }
     // gender
     if ($this->isSettingChangeable('gender')) {
         $gndr = new ilRadioGroupInputGUI($lng->txt("gender"), "gender");
         $gndr->setRequired(isset($settings["require_gender"]) && $settings["require_gender"]);
         $female = new ilRadioOption($lng->txt("gender_f"), "f");
         $gndr->addOption($female);
         $male = new ilRadioOption($lng->txt("gender_m"), "m");
         $gndr->addOption($male);
         $this->form_gui->addItem($gndr);
     }
     // firstname, lastname, title
     $fields = array("firstname" => true, "lastname" => true, "title" => isset($settings["require_title"]) && $settings["require_title"]);
     foreach ($fields as $field => $req) {
         if ($this->isSettingChangeable($field)) {
             $inp = new ilTextInputGUI($lng->txt($field), $field);
             $inp->setSize(32);
             $inp->setMaxLength(32);
             $inp->setRequired($req);
             $this->form_gui->addItem($inp);
         }
     }
     // personal image
     if ($this->isSettingChangeable('upload')) {
         $pi = new ilImageFileInputGUI($lng->txt("personal_picture"), "userfile");
         if ($a_mode == "edit" || $a_mode == "upload") {
             $pi->setImage(ilObjUser::_getPersonalPicturePath($this->object->getId(), "small", true, true));
         }
         $this->form_gui->addItem($pi);
     }
     if ($this->isSettingChangeable('birthday')) {
         $birthday = new ilBirthdayInputGUI($lng->txt('birthday'), 'birthday');
         $birthday->setRequired(isset($settings["require_birthday"]) && $settings["require_birthday"]);
         $birthday->setShowEmpty(true);
         $birthday->setStartYear(1900);
         $this->form_gui->addItem($birthday);
     }
     // institution, department, street, city, zip code, country, phone office
     // phone home, phone mobile, fax, e-mail
     $fields = array(array("institution", 40, 80), array("department", 40, 80), array("street", 40, 40), array("city", 40, 40), array("zipcode", 10, 10), array("country", 40, 40), array("sel_country"), array("phone_office", 30, 30), array("phone_home", 30, 30), array("phone_mobile", 30, 30), array("fax", 30, 30));
     $counter = 0;
     foreach ($fields as $field) {
         if (!$counter++ and $this->isSettingChangeable($field[0])) {
             // contact data
             $sec_cd = new ilFormSectionHeaderGUI();
             $sec_cd->setTitle($this->lng->txt("contact_data"));
             $this->form_gui->addItem($sec_cd);
         }
         if ($this->isSettingChangeable($field[0])) {
             if ($field[0] != "sel_country") {
                 $inp = new ilTextInputGUI($lng->txt($field[0]), $field[0]);
                 $inp->setSize($field[1]);
                 $inp->setMaxLength($field[2]);
                 $inp->setRequired(isset($settings["require_" . $field[0]]) && $settings["require_" . $field[0]]);
                 $this->form_gui->addItem($inp);
             } else {
                 // country selection
                 include_once "./Services/Form/classes/class.ilCountrySelectInputGUI.php";
                 $cs = new ilCountrySelectInputGUI($lng->txt($field[0]), $field[0]);
                 $cs->setRequired(isset($settings["require_" . $field[0]]) && $settings["require_" . $field[0]]);
                 $this->form_gui->addItem($cs);
             }
         }
     }
     // email
     if ($this->isSettingChangeable('email')) {
         $em = new ilEMailInputGUI($lng->txt("email"), "email");
         $em->setRequired(isset($settings["require_email"]) && $settings["require_email"]);
         $this->form_gui->addItem($em);
     }
     // interests/hobbies
     if ($this->isSettingChangeable('hobby')) {
         $hob = new ilTextAreaInputGUI($lng->txt("hobby"), "hobby");
         $hob->setRows(3);
         $hob->setCols(40);
         $hob->setRequired(isset($settings["require_hobby"]) && $settings["require_hobby"]);
         $this->form_gui->addItem($hob);
     }
     // referral comment
     if ($this->isSettingChangeable('referral_comment')) {
         $rc = new ilTextAreaInputGUI($lng->txt("referral_comment"), "referral_comment");
         $rc->setRows(3);
         $rc->setCols(40);
         $rc->setRequired(isset($settings["require_referral_comment"]) && $settings["require_referral_comment"]);
         $this->form_gui->addItem($rc);
     }
     // interests
     $sh = new ilFormSectionHeaderGUI();
     $sh->setTitle($lng->txt("interests"));
     $this->form_gui->addItem($sh);
     $multi_fields = array("interests_general", "interests_help_offered", "interests_help_looking");
     foreach ($multi_fields as $multi_field) {
         if ($this->isSettingChangeable($multi_field)) {
             // see ilUserProfile
             $ti = new ilTextInputGUI($lng->txt($multi_field), $multi_field);
             $ti->setMulti(true);
             $ti->setMaxLength(40);
             $ti->setSize(40);
             $ti->setRequired(isset($settings["require_" . $multi_field]) && $settings["require_" . $multi_field]);
             $this->form_gui->addItem($ti);
         }
     }
     // instant messengers
     if ($this->isSettingChangeable('instant_messengers')) {
         $sec_im = new ilFormSectionHeaderGUI();
         $sec_im->setTitle($this->lng->txt("instant_messengers"));
         $this->form_gui->addItem($sec_im);
     }
     // icq, yahoo, msn, aim, skype
     $fields = array("icq", "yahoo", "msn", "aim", "skype", "jabber", "voip");
     foreach ($fields as $field) {
         if ($this->isSettingChangeable('instant_messengers')) {
             $im = new ilTextInputGUI($lng->txt("im_" . $field), "im_" . $field);
             $im->setSize(40);
             $im->setMaxLength(40);
             $this->form_gui->addItem($im);
         }
     }
     // other information
     if ($this->isSettingChangeable('user_profile_other')) {
         $sec_oi = new ilFormSectionHeaderGUI();
         $sec_oi->setTitle($this->lng->txt("user_profile_other"));
         $this->form_gui->addItem($sec_oi);
     }
     // matriculation number
     if ($this->isSettingChangeable('matriculation')) {
         $mr = new ilTextInputGUI($lng->txt("matriculation"), "matriculation");
         $mr->setSize(40);
         $mr->setMaxLength(40);
         $mr->setRequired(isset($settings["require_matriculation"]) && $settings["require_matriculation"]);
         $this->form_gui->addItem($mr);
     }
     // delicious
     if ($this->isSettingChangeable('delicious')) {
         $mr = new ilTextInputGUI($lng->txt("delicious"), "delicious");
         $mr->setSize(40);
         $mr->setMaxLength(40);
         $mr->setRequired(isset($settings["require_delicious"]) && $settings["require_delicious"]);
         $this->form_gui->addItem($mr);
     }
     // client IP
     $ip = new ilTextInputGUI($lng->txt("client_ip"), "client_ip");
     $ip->setSize(40);
     $ip->setMaxLength(255);
     $ip->setInfo($this->lng->txt("current_ip") . " " . $_SERVER["REMOTE_ADDR"] . " <br />" . '<span class="warning">' . $this->lng->txt("current_ip_alert") . "</span>");
     $this->form_gui->addItem($ip);
     // additional user defined fields
     include_once './Services/User/classes/class.ilUserDefinedFields.php';
     $user_defined_fields = ilUserDefinedFields::_getInstance();
     if ($this->usrf_ref_id == USER_FOLDER_ID) {
         $all_defs = $user_defined_fields->getDefinitions();
     } else {
         $all_defs = $user_defined_fields->getChangeableLocalUserAdministrationDefinitions();
     }
     foreach ($all_defs as $field_id => $definition) {
         if ($definition['field_type'] == UDF_TYPE_TEXT) {
             $udf = new ilTextInputGUI($definition['field_name'], "udf_" . $definition['field_id']);
             $udf->setSize(40);
             $udf->setMaxLength(255);
         } else {
             if ($definition['field_type'] == UDF_TYPE_WYSIWYG) {
                 $udf = new ilTextAreaInputGUI($definition['field_name'], "udf_" . $definition['field_id']);
                 $udf->setUseRte(true);
             } else {
                 $udf = new ilSelectInputGUI($definition['field_name'], "udf_" . $definition['field_id']);
                 $udf->setOptions($user_defined_fields->fieldValuesToSelectArray($definition['field_values']));
             }
         }
         $udf->setRequired($definition['required']);
         $this->form_gui->addItem($udf);
     }
     // settings
     if ($a_mode == 'create' or $this->isSettingChangeable('language') or $this->isSettingChangeable('skin_style') or $this->isSettingChangeable('hits_per_page') or $this->isSettingChangeable('hide_own_online_status')) {
         $sec_st = new ilFormSectionHeaderGUI();
         $sec_st->setTitle($this->lng->txt("settings"));
         $this->form_gui->addItem($sec_st);
     }
     // role
     if ($a_mode == "create") {
         $role = new ilSelectInputGUI($lng->txt("default_role"), 'default_role');
         $role->setRequired(true);
         $role->setValue($this->default_role);
         $role->setOptions($this->selectable_roles);
         $this->form_gui->addItem($role);
     }
     // language
     if ($this->isSettingChangeable('language')) {
         $lang = new ilSelectInputGUI($lng->txt("language"), 'language');
         $languages = $lng->getInstalledLanguages();
         $lng->loadLanguageModule("meta");
         $options = array();
         foreach ($languages as $l) {
             $options[$l] = $lng->txt("meta_l_" . $l);
         }
         $lang->setOptions($options);
         $lang->setValue($ilSetting->get("language"));
         $this->form_gui->addItem($lang);
     }
     // skin/style
     if ($this->isSettingChangeable('skin_style')) {
         $sk = new ilSelectInputGUI($lng->txt("skin_style"), 'skin_style');
         $templates = $styleDefinition->getAllTemplates();
         include_once "./Services/Style/classes/class.ilObjStyleSettings.php";
         $options = array();
         if (count($templates) > 0 && is_array($templates)) {
             foreach ($templates as $template) {
                 $styleDef =& new ilStyleDefinition($template["id"]);
                 $styleDef->startParsing();
                 $styles = $styleDef->getStyles();
                 foreach ($styles as $style) {
                     if (!ilObjStyleSettings::_lookupActivatedStyle($template["id"], $style["id"])) {
                         continue;
                     }
                     $options[$template["id"] . ":" . $style["id"]] = $styleDef->getTemplateName() . " / " . $style["name"];
                 }
             }
         }
         $sk->setOptions($options);
         $sk->setValue($ilClientIniFile->readVariable("layout", "skin") . ":" . $ilClientIniFile->readVariable("layout", "style"));
         $this->form_gui->addItem($sk);
     }
     // hits per page
     if ($this->isSettingChangeable('hits_per_page')) {
         $hpp = new ilSelectInputGUI($lng->txt("hits_per_page"), 'hits_per_page');
         $options = array(10 => 10, 15 => 15, 20 => 20, 30 => 30, 40 => 40, 50 => 50, 100 => 100, 9999 => $this->lng->txt("no_limit"));
         $hpp->setOptions($options);
         $hpp->setValue($ilSetting->get("hits_per_page"));
         $this->form_gui->addItem($hpp);
         // users online
         $uo = new ilSelectInputGUI($lng->txt("users_online"), 'show_users_online');
         $options = array("y" => $lng->txt("users_online_show_y"), "associated" => $lng->txt("users_online_show_associated"), "n" => $lng->txt("users_online_show_n"));
         $uo->setOptions($options);
         $uo->setValue($ilSetting->get("show_users_online"));
         $this->form_gui->addItem($uo);
     }
     // hide online status
     if ($this->isSettingChangeable('hide_own_online_status')) {
         $os = new ilCheckboxInputGUI($lng->txt("hide_own_online_status"), "hide_own_online_status");
         $this->form_gui->addItem($os);
     }
     if ((int) $ilSetting->get('session_reminder_enabled')) {
         $cb = new ilCheckboxInputGUI($this->lng->txt('session_reminder'), 'session_reminder_enabled');
         $cb->setValue(1);
         $this->form_gui->addItem($cb);
     }
     // Options
     if ($this->isSettingChangeable('send_mail')) {
         $sec_op = new ilFormSectionHeaderGUI();
         $sec_op->setTitle($this->lng->txt("options"));
         $this->form_gui->addItem($sec_op);
     }
     // send email
     $se = new ilCheckboxInputGUI($lng->txt('inform_user_mail'), 'send_mail');
     $se->setInfo($lng->txt('inform_user_mail_info'));
     $se->setValue('y');
     $se->setChecked($ilUser->getPref('send_info_mails') == 'y');
     $this->form_gui->addItem($se);
     // ignore required fields
     $irf = new ilCheckboxInputGUI($lng->txt('ignore_required_fields'), 'ignore_rf');
     $irf->setInfo($lng->txt('ignore_required_fields_info'));
     $irf->setValue(1);
     $this->form_gui->addItem($irf);
     // @todo: handle all required fields
     // command buttons
     if ($a_mode == "create" || $a_mode == "save") {
         $this->form_gui->addCommandButton("save", $lng->txt("save"));
     }
     if ($a_mode == "edit" || $a_mode == "update") {
         $this->form_gui->addCommandButton("update", $lng->txt("save"));
     }
     $this->form_gui->addCommandButton("cancel", $lng->txt("cancel"));
 }