102 lines
2.3 KiB
JavaScript
102 lines
2.3 KiB
JavaScript
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/**
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* Copyright 2020 wixette@gmail.com
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* @fileoverview Localization utilities and message translations.
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*/
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/**
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* Simple namespace.
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* @type {Object}
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*/
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l10n = {};
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/**
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* Pre-defined locales.
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* @type {Array<string>}
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*/
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l10n.LOCALES = [
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'en',
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'zh',
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];
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/**
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* Localized messages.
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*/
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l10n.MESSAGES = {
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'title': {
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'en': 'Sim-8800: Altair 8800 Simulator',
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'zh': 'Sim-8800: Altair 8800 模拟器',
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},
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'header-title': {
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'en': 'Sim-8800: Altair 8800 Simulator',
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'zh': 'Sim-8800: Altair 8800 模拟器',
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},
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'simulator': {
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'en': 'Simulator',
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'zh': '模拟器',
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},
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'debug': {
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'en': 'Debug',
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'zh': '调试',
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},
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'code': {
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'en': 'Code',
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'zh': '源码',
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},
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'switchboard': {
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'en': 'Soft Switch Board',
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'zh': '辅助开关面板',
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},
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};
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/**
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* Current locale index.
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* @type {number}
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*/
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l10n.current = 0;
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/**
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* Switches to the next locale.
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*/
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l10n.nextLocale = function() {
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l10n.current++;
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l10n.current = l10n.current % l10n.LOCALES.length;
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l10n.updateMessages();
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};
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/**
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* Updates UI messages to the current locale.
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*/
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l10n.updateMessages = function() {
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elems = document.getElementsByClassName('l10n');
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for (let i = 0; i < elems.length; i++) {
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if (l10n.MESSAGES.hasOwnProperty(elems[i].id)) {
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var locale = l10n.LOCALES[l10n.current];
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var msg = '';
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if (l10n.MESSAGES[elems[i].id].hasOwnProperty(locale)) {
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msg = l10n.MESSAGES[elems[i].id][locale];
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} else {
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msg = l10n.MESSAGES[elems[i].id]['en'];
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}
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elems[i].innerHTML = msg;
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}
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}
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};
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