158 lines
3.4 KiB
JavaScript
158 lines
3.4 KiB
JavaScript
/**
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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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'nav-sim': {
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'en': 'Sim',
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'zh': '模拟器',
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},
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'nav-debug': {
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'en': 'Debug',
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'zh': '调试',
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},
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'nav-ref': {
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'en': 'Ref',
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'zh': '参考',
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},
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'switchboard-helper': {
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'en': 'Switch Board Helper',
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'zh': '辅助开关面板',
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},
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'back-home': {
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'en': 'Home',
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'zh': '首页',
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},
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'source-code': {
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'en': 'Source code',
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'zh': '源代码',
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},
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'debug-load-data-title': {
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'en': 'Load Data to Addr #0',
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'zh': '从地址0开始加载数据',
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},
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'debug-load-data': {
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'en': 'Load Data',
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'zh': '加载数据',
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},
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'debug-data-sample': {
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'en': 'Bytes in HEX string, such as \'c3 00 00\'',
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'zh': '十六进制字节序列，如 c3 00 00',
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},
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'debug-cpu-dump-title': {
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'en': '8080 CPU Status Dump',
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'zh': '8080 CPU 的状态信息',
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},
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'debug-mem-dump-title': {
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'en': 'Memory Dump',
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'zh': '内存信息',
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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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* Local storage key.
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*/
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l10n.localStorageKey = 'sim8800locale';
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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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localStorage.setItem(l10n.localStorageKey, l10n.current);
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};
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/**
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* Restores the last locale from local storage.
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*/
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l10n.restoreLocale = function() {
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var val = localStorage.getItem(l10n.localStorageKey);
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if (!val) {
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val = '0';
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}
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var index = parseInt(val);
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if (!isNaN(index)) {
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l10n.current = index % l10n.LOCALES.length;
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l10n.updateMessages();
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}
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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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