81 lines
2.2 KiB
JavaScript
81 lines
2.2 KiB
JavaScript
import EventEmitter from 'events';
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import appDispatcher from '../dispatcher';
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import cons from './cons';
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function getSettings() {
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const settings = localStorage.getItem('settings');
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if (settings === null) return null;
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return JSON.parse(settings);
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}
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function setSettings(key, value) {
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let settings = getSettings();
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if (settings === null) settings = {};
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settings[key] = value;
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localStorage.setItem('settings', JSON.stringify(settings));
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}
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class Settings extends EventEmitter {
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constructor() {
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super();
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this.themes = ['', 'silver-theme', 'dark-theme', 'butter-theme'];
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this.themeIndex = this.getThemeIndex();
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this.isMarkdown = this.getIsMarkdown();
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this.isTouchScreenDevice = ('ontouchstart' in window) || (navigator.maxTouchPoints > 0) || (navigator.msMaxTouchPoints > 0);
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}
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getThemeIndex() {
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if (typeof this.themeIndex === 'number') return this.themeIndex;
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const settings = getSettings();
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if (settings === null) return 0;
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if (typeof settings.themeIndex === 'undefined') return 0;
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// eslint-disable-next-line radix
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return parseInt(settings.themeIndex);
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}
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getThemeName() {
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return this.themes[this.themeIndex];
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}
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setTheme(themeIndex) {
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const appBody = document.getElementById('appBody');
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this.themes.forEach((themeName) => {
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if (themeName === '') return;
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appBody.classList.remove(themeName);
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});
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if (this.themes[themeIndex] !== '') appBody.classList.add(this.themes[themeIndex]);
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setSettings('themeIndex', themeIndex);
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this.themeIndex = themeIndex;
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}
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getIsMarkdown() {
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if (typeof this.isMarkdown === 'boolean') return this.isMarkdown;
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const settings = getSettings();
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if (settings === null) return false;
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if (typeof settings.isMarkdown === 'undefined') return false;
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return settings.isMarkdown;
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}
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setter(action) {
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const actions = {
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[cons.actions.settings.TOGGLE_MARKDOWN]: () => {
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this.isMarkdown = !this.isMarkdown;
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setSettings('isMarkdown', this.isMarkdown);
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this.emit(cons.events.settings.MARKDOWN_TOGGLED, this.isMarkdown);
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},
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};
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actions[action.type]?.();
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}
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}
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const settings = new Settings();
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appDispatcher.register(settings.setter.bind(settings));
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export default settings;
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