/**
  * Init general settings form.
  *
  */
 public function initGeneralSettingsForm()
 {
     global $lng, $ilUser, $styleDefinition, $ilSetting;
     include_once "Services/Form/classes/class.ilPropertyFormGUI.php";
     $this->form = new ilPropertyFormGUI();
     // language
     if ($this->userSettingVisible("language")) {
         $languages = $this->lng->getInstalledLanguages();
         $options = array();
         foreach ($languages as $lang_key) {
             $options[$lang_key] = ilLanguage::_lookupEntry($lang_key, "meta", "meta_l_" . $lang_key);
         }
         $si = new ilSelectInputGUI($this->lng->txt("language"), "language");
         $si->setOptions($options);
         $si->setValue($ilUser->getLanguage());
         $si->setDisabled($ilSetting->get("usr_settings_disable_language"));
         $this->form->addItem($si);
     }
     // skin/style
     include_once "./Services/Style/classes/class.ilObjStyleSettings.php";
     if ($this->userSettingVisible("skin_style")) {
         $templates = $styleDefinition->getAllTemplates();
         if (is_array($templates)) {
             $si = new ilSelectInputGUI($this->lng->txt("skin_style"), "skin_style");
             $options = array();
             foreach ($templates as $template) {
                 // get styles information of 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"];
                 }
             }
             $si->setOptions($options);
             $si->setValue($ilUser->skin . ":" . $ilUser->prefs["style"]);
             $si->setDisabled($ilSetting->get("usr_settings_disable_skin_style"));
             $this->form->addItem($si);
         }
     }
     // screen reader optimization
     if ($this->userSettingVisible("screen_reader_optimization")) {
         $cb = new ilCheckboxInputGUI($this->lng->txt("user_screen_reader_optimization"), "screen_reader_optimization");
         $cb->setChecked($ilUser->prefs["screen_reader_optimization"]);
         $cb->setDisabled($ilSetting->get("usr_settings_disable_screen_reader_optimization"));
         $cb->setInfo($this->lng->txt("user_screen_reader_optimization_info"));
         $this->form->addItem($cb);
     }
     // hits per page
     if ($this->userSettingVisible("hits_per_page")) {
         $si = new ilSelectInputGUI($this->lng->txt("hits_per_page"), "hits_per_page");
         $hits_options = array(10, 15, 20, 30, 40, 50, 100, 9999);
         $options = array();
         foreach ($hits_options as $hits_option) {
             $hstr = $hits_option == 9999 ? $this->lng->txt("no_limit") : $hits_option;
             $options[$hits_option] = $hstr;
         }
         $si->setOptions($options);
         $si->setValue($ilUser->prefs["hits_per_page"]);
         $si->setDisabled($ilSetting->get("usr_settings_disable_hits_per_page"));
         $this->form->addItem($si);
     }
     // Users Online
     if ($this->userSettingVisible("show_users_online")) {
         $si = new ilSelectInputGUI($this->lng->txt("show_users_online"), "show_users_online");
         $options = array("y" => $this->lng->txt("users_online_show_y"), "associated" => $this->lng->txt("users_online_show_associated"), "n" => $this->lng->txt("users_online_show_n"));
         $si->setOptions($options);
         $si->setValue($ilUser->prefs["show_users_online"]);
         $si->setDisabled($ilSetting->get("usr_settings_disable_show_users_online"));
         $this->form->addItem($si);
     }
     // Store last visited
     $lv = new ilSelectInputGUI($this->lng->txt("user_store_last_visited"), "store_last_visited");
     $options = array(0 => $this->lng->txt("user_lv_keep_entries"), 1 => $this->lng->txt("user_lv_keep_only_for_session"), 2 => $this->lng->txt("user_lv_do_not_store"));
     $lv->setOptions($options);
     $lv->setValue((int) $ilUser->prefs["store_last_visited"]);
     $this->form->addItem($lv);
     // hide_own_online_status
     if ($this->userSettingVisible("hide_own_online_status")) {
         $cb = new ilCheckboxInputGUI($this->lng->txt("hide_own_online_status"), "hide_own_online_status");
         $cb->setChecked($ilUser->prefs["hide_own_online_status"] == "y");
         $cb->setDisabled($ilSetting->get("usr_settings_disable_hide_own_online_status"));
         $this->form->addItem($cb);
     }
     include_once 'Services/Authentication/classes/class.ilSessionReminder.php';
     if (ilSessionReminder::isGloballyActivated()) {
         $cb = new ilCheckboxInputGUI($this->lng->txt('session_reminder'), 'session_reminder_enabled');
         $cb->setInfo($this->lng->txt('session_reminder_info'));
         $cb->setValue(1);
         $cb->setChecked((int) $ilUser->getPref('session_reminder_enabled'));
         $expires = ilSession::getSessionExpireValue();
         $lead_time_gui = new ilNumberInputGUI($this->lng->txt('session_reminder_lead_time'), 'session_reminder_lead_time');
         $lead_time_gui->setInfo(sprintf($this->lng->txt('session_reminder_lead_time_info'), ilFormat::_secondsToString($expires, true)));
         $min_value = ilSessionReminder::MIN_LEAD_TIME;
         $max_value = max($min_value, (int) $expires / 60 - 1);
         $current_user_value = $ilUser->getPref('session_reminder_lead_time');
         if ($current_user_value < $min_value || $current_user_value > $max_value) {
             $current_user_value = ilSessionReminder::SUGGESTED_LEAD_TIME;
         }
         $value = min(max($min_value, $current_user_value), $max_value);
         $lead_time_gui->setValue($value);
         $lead_time_gui->setSize(3);
         $lead_time_gui->setMinValue($min_value);
         $lead_time_gui->setMaxValue($max_value);
         $cb->addSubItem($lead_time_gui);
         $this->form->addItem($cb);
     }
     // calendar settings (copied here to be reachable when calendar is inactive)
     // they cannot be hidden/deactivated
     include_once 'Services/Calendar/classes/class.ilCalendarUserSettings.php';
     include_once 'Services/Calendar/classes/class.ilCalendarUtil.php';
     $lng->loadLanguageModule("dateplaner");
     $user_settings = ilCalendarUserSettings::_getInstanceByUserId($ilUser->getId());
     $select = new ilSelectInputGUI($lng->txt('cal_user_timezone'), 'timezone');
     $select->setOptions(ilCalendarUtil::_getShortTimeZoneList());
     $select->setInfo($lng->txt('cal_timezone_info'));
     $select->setValue($user_settings->getTimeZone());
     $this->form->addItem($select);
     $year = date("Y");
     $select = new ilSelectInputGUI($lng->txt('cal_user_date_format'), 'date_format');
     $select->setOptions(array(ilCalendarSettings::DATE_FORMAT_DMY => '31.10.' . $year, ilCalendarSettings::DATE_FORMAT_YMD => $year . "-10-31", ilCalendarSettings::DATE_FORMAT_MDY => "10/31/" . $year));
     $select->setInfo($lng->txt('cal_date_format_info'));
     $select->setValue($user_settings->getDateFormat());
     $this->form->addItem($select);
     $select = new ilSelectInputGUI($lng->txt('cal_user_time_format'), 'time_format');
     $select->setOptions(array(ilCalendarSettings::TIME_FORMAT_24 => '13:00', ilCalendarSettings::TIME_FORMAT_12 => '1:00pm'));
     $select->setInfo($lng->txt('cal_time_format_info'));
     $select->setValue($user_settings->getTimeFormat());
     $this->form->addItem($select);
     // starting point
     include_once "Services/User/classes/class.ilUserUtil.php";
     if (ilUserUtil::hasPersonalStartingPoint()) {
         $this->lng->loadLanguageModule("administration");
         $si = new ilRadioGroupInputGUI($this->lng->txt("adm_user_starting_point"), "usr_start");
         $si->setRequired(true);
         $si->setInfo($this->lng->txt("adm_user_starting_point_info"));
         foreach (ilUserUtil::getPossibleStartingPoints() as $value => $caption) {
             $si->addOption(new ilRadioOption($caption, $value));
         }
         $si->setValue(ilUserUtil::getPersonalStartingPoint());
         $this->form->addItem($si);
         // starting point: repository object
         $repobj = new ilRadioOption($lng->txt("adm_user_starting_point_object"), ilUserUtil::START_REPOSITORY_OBJ);
         $repobj_id = new ilTextInputGUI($lng->txt("adm_user_starting_point_ref_id"), "usr_start_ref_id");
         $repobj_id->setRequired(true);
         $repobj_id->setSize(5);
         if ($si->getValue() == ilUserUtil::START_REPOSITORY_OBJ) {
             $start_ref_id = ilUserUtil::getPersonalStartingObject();
             $repobj_id->setValue($start_ref_id);
             if ($start_ref_id) {
                 $start_obj_id = ilObject::_lookupObjId($start_ref_id);
                 if ($start_obj_id) {
                     $repobj_id->setInfo($lng->txt("obj_" . ilObject::_lookupType($start_obj_id)) . ": " . ilObject::_lookupTitle($start_obj_id));
                 }
             }
         }
         $repobj->addSubItem($repobj_id);
         $si->addOption($repobj);
     }
     // selector for unicode characters
     global $ilSetting;
     if ($ilSetting->get('char_selector_availability') > 0) {
         require_once 'Services/UIComponent/CharSelector/classes/class.ilCharSelectorGUI.php';
         $char_selector = new ilCharSelectorGUI(ilCharSelectorConfig::CONTEXT_USER);
         $char_selector->getConfig()->setAvailability($ilUser->getPref('char_selector_availability'));
         $char_selector->getConfig()->setDefinition($ilUser->getPref('char_selector_definition'));
         $char_selector->addFormProperties($this->form);
         $char_selector->setFormValues($this->form);
     }
     $this->form->addCommandButton("saveGeneralSettings", $lng->txt("save"));
     $this->form->setTitle($lng->txt("general_settings"));
     $this->form->setFormAction($this->ctrl->getFormAction($this));
 }
 /**
  * Get all skins/styles
  *
  * @param
  * @return
  */
 public static function getAllSkinStyles()
 {
     global $styleDefinition;
     $all_styles = array();
     $templates = $styleDefinition->getAllTemplates();
     foreach ($templates as $template) {
         // get styles definition for template
         $styleDef = new ilStyleDefinition($template["id"]);
         $styleDef->startParsing();
         $styles = $styleDef->getStyles();
         foreach ($styles as $style) {
             $num_users = ilObjUser::_getNumberOfUsersForStyle($template["id"], $style["id"]);
             // default selection list
             $all_styles[$template["id"] . ":" . $style["id"]] = array("title" => $styleDef->getTemplateName() . " / " . $style["name"], "id" => $template["id"] . ":" . $style["id"], "template_id" => $template["id"], "style_id" => $style["id"], "template_name" => $styleDef->getTemplateName(), "substyle" => $style["substyle"], "style_name" => $style["name"], "users" => $num_users);
         }
     }
     return $all_styles;
 }