blob: da6d8a8feac6aad2d816cd6f37482258c569a478 [file] [log] [blame]
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
part of app;
/// Static settings database.
class _Settings {
static Storage _storage = window.localStorage;
/// Associated [value] with [key]. [value] must be JSON encodable.
static void set(String key, dynamic value) {
_storage[key] = json.encode(value);
/// Get value associated with [key]. Return value will be a JSON encodable
/// object.
static dynamic get(String key) {
var value = _storage[key];
if (value == null) {
return null;
return json.decode(value);
/// A group of settings each prefixed with group name and a dot.
class SettingsGroup {
/// Group name
final String group;
String _fullKey(String key) => '$group.$key';
void set(String key, dynamic value) {
var fullKey = _fullKey(key);
_Settings.set(fullKey, value);
dynamic get(String key) {
var fullKey = _fullKey(key);
return _Settings.get(fullKey);