100 lines
No EOL
3.3 KiB
TypeScript
100 lines
No EOL
3.3 KiB
TypeScript
/**
|
|
* Wraps the query parameters into UIEventSources
|
|
*/
|
|
import {UIEventSource} from "../UIEventSource";
|
|
import Hash from "./Hash";
|
|
import {Utils} from "../../Utils";
|
|
|
|
export class QueryParameters {
|
|
|
|
static defaults = {}
|
|
static documentation: Map<string, string> = new Map<string, string>()
|
|
private static order: string [] = ["layout", "test", "z", "lat", "lon"];
|
|
private static _wasInitialized: Set<string> = new Set()
|
|
private static knownSources = {};
|
|
private static initialized = false;
|
|
|
|
public static GetQueryParameter(key: string, deflt: string, documentation?: string): UIEventSource<string> {
|
|
if (!this.initialized) {
|
|
this.init();
|
|
}
|
|
QueryParameters.documentation.set(key, documentation);
|
|
if (deflt !== undefined) {
|
|
QueryParameters.defaults[key] = deflt;
|
|
}
|
|
if (QueryParameters.knownSources[key] !== undefined) {
|
|
return QueryParameters.knownSources[key];
|
|
}
|
|
QueryParameters.addOrder(key);
|
|
const source = new UIEventSource<string>(deflt, "&" + key);
|
|
QueryParameters.knownSources[key] = source;
|
|
source.addCallback(() => QueryParameters.Serialize())
|
|
return source;
|
|
}
|
|
|
|
public static GetBooleanQueryParameter(key: string, deflt: boolean, documentation?: string): UIEventSource<boolean> {
|
|
return QueryParameters.GetQueryParameter(key, ""+ deflt, documentation).map(str => str === "true", [], b => "" + b)
|
|
}
|
|
|
|
|
|
public static wasInitialized(key: string): boolean {
|
|
return QueryParameters._wasInitialized.has(key)
|
|
}
|
|
|
|
private static addOrder(key) {
|
|
if (this.order.indexOf(key) < 0) {
|
|
this.order.push(key)
|
|
}
|
|
}
|
|
|
|
private static init() {
|
|
|
|
if (this.initialized) {
|
|
return;
|
|
}
|
|
this.initialized = true;
|
|
|
|
if (Utils.runningFromConsole) {
|
|
return;
|
|
}
|
|
|
|
if (window?.location?.search) {
|
|
const params = window.location.search.substr(1).split("&");
|
|
for (const param of params) {
|
|
const kv = param.split("=");
|
|
const key = decodeURIComponent(kv[0]);
|
|
QueryParameters.addOrder(key)
|
|
QueryParameters._wasInitialized.add(key)
|
|
const v = decodeURIComponent(kv[1]);
|
|
const source = new UIEventSource<string>(v);
|
|
source.addCallback(() => QueryParameters.Serialize())
|
|
QueryParameters.knownSources[key] = source;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
private static Serialize() {
|
|
const parts = []
|
|
for (const key of QueryParameters.order) {
|
|
if (QueryParameters.knownSources[key]?.data === undefined) {
|
|
continue;
|
|
}
|
|
|
|
if (QueryParameters.knownSources[key].data === "undefined") {
|
|
continue;
|
|
}
|
|
|
|
if (QueryParameters.knownSources[key].data === QueryParameters.defaults[key]) {
|
|
continue;
|
|
}
|
|
|
|
parts.push(encodeURIComponent(key) + "=" + encodeURIComponent(QueryParameters.knownSources[key].data))
|
|
}
|
|
if(!Utils.runningFromConsole){
|
|
// Don't pollute the history every time a parameter changes
|
|
history.replaceState(null, "", "?" + parts.join("&") + Hash.Current());
|
|
}
|
|
|
|
}
|
|
} |