95 lines
2.6 KiB
TypeScript
95 lines
2.6 KiB
TypeScript
import Prefs from './prefs';
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export const BOOLEAN_OPTION = 'BOOLEAN_OPTION';
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export const SELECT_OPTION = 'SELECT_OPTION';
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export interface Option {
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name: string
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label: string
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type: string
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defaultVal: string | boolean
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}
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export interface BooleanOption extends Option {
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type: typeof BOOLEAN_OPTION
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defaultVal: boolean
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}
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export interface SelectOption extends Option {
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type: typeof SELECT_OPTION
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defaultVal: string
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values: Array<{name: string, value: string}>
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}
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export interface OptionSection {
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name: string
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options: Option[]
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}
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export interface OptionHandler {
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getOptions: () => OptionSection[]
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setOption: (name: string, value: string | boolean) => void
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}
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export class Options {
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private prefs: Prefs = new Prefs();
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private options: Record<string, Option> = {};
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private handlers: Record<string, OptionHandler> = {};
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private sections: OptionSection[] = [];
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addOptions(handler: OptionHandler) {
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const sections = handler.getOptions();
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for (const section of sections) {
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const { options } = section;
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for (const option of options) {
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const { name } = option;
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this.handlers[name] = handler;
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this.options[name] = option;
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const value = this.getOption(name);
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if (value != null) {
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handler.setOption(name, value);
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}
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}
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this.sections.push(section);
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}
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}
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getOption(name: string): string | boolean | undefined {
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const option = this.options[name];
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if (option) {
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const { name, defaultVal, type } = option;
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const stringVal = String(defaultVal);
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const prefVal = this.prefs.readPref(name, stringVal);
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switch (type) {
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case BOOLEAN_OPTION:
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return prefVal === 'true';
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default:
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return prefVal;
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}
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}
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}
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setOption(name: string, value: string | boolean) {
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if (name in this.options) {
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const handler = this.handlers[name];
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const option = this.options[name];
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this.prefs.writePref(name, String(value));
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switch (option.type) {
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case BOOLEAN_OPTION:
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handler.setOption(name, Boolean(value));
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break;
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default:
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handler.setOption(name, String(value));
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}
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}
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}
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getOptions() {
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return this.options;
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}
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getSections() {
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return this.sections;
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}
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}
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