85 lines
2.1 KiB
JavaScript
85 lines
2.1 KiB
JavaScript
import {
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EVENT_OPTION_SET,
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} from './config.js';
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export class Options {
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sim = undefined;
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options = undefined;
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values = {};
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getStorageKey(path) {
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return `${path}:options`;
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}
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constructor(sim, options) {
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this.sim = sim;
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this.options = options;
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// Global methods to get/set current option values
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this.sim.getOption = (path) => this.getOption(path);
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this.sim.setOption = (path, value) => this.setOption(path, value);
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this.sim.onOptionSet = (path, cb) => this.onOptionSet(path, cb);
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// Initialize values from localStorage
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for (const groupName of Object.keys(options)) {
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for (const [name, [, , defaultValue]] of Object.entries(this.options[groupName])) {
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const path = [groupName, name].join('.');
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let value = this.getOption(path)
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if (value === undefined) {
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value = defaultValue;
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this.setOption(path, value);
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}
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}
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}
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}
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getOption(path) {
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let value = this.values[path];
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if (value === undefined) {
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value = localStorage.getItem(this.getStorageKey(path));
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if (value === 'false') value = false;
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else if (value === 'true') value = true;
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this.values[path] = value;
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}
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return value;
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}
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setOption(path, value) {
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this.values[path] = value;
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window.localStorage.setItem(this.getStorageKey(path), value);
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const e = new CustomEvent(EVENT_OPTION_SET, {detail: {path, value}});
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this.sim.div.dispatchEvent(e);
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}
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// cb: (value) => undefined
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onOptionSet(path, cb) {
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this.sim.div.addEventListener(EVENT_OPTION_SET, (e) => {
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if (path === e.detail.path) {
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cb(e.detail.value);
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}
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});
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}
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getSection(sectionName) {
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const section = this.options[sectionName];
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const group = {
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type: 'group',
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name: sectionName,
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title: section._title,
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items: [],
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};
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for (const name in section) {
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if (name.startsWith('_')) continue;
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const [title, type, defaultValue, opts] = section[name];
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group.items.push({
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name,
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type,
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title,
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default: defaultValue,
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...opts
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})
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}
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return group;
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}
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}
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