51 lines
1.0 KiB
TypeScript
51 lines
1.0 KiB
TypeScript
"use strict";
|
|
// License: MIT
|
|
|
|
import {Keys} from "./keys";
|
|
|
|
const $ = document.querySelector.bind(document);
|
|
|
|
export class Broadcaster {
|
|
private readonly els: HTMLElement[];
|
|
|
|
public onaction: Function;
|
|
|
|
constructor(...els: string[]) {
|
|
this.els = els.map(e => $(`#${e}`));
|
|
this.onkey = this.onkey.bind(this);
|
|
const keys = new Set(this.els.map(el => el.dataset.key));
|
|
if (keys.size) {
|
|
keys.forEach(key => {
|
|
Keys.on(key, this.onkey);
|
|
});
|
|
}
|
|
}
|
|
|
|
get disabled() {
|
|
return this.els[0].classList.contains("disabled");
|
|
}
|
|
|
|
set disabled(val) {
|
|
if (val) {
|
|
for (const el of this.els) {
|
|
el.classList.add("disabled");
|
|
}
|
|
return;
|
|
}
|
|
for (const el of this.els) {
|
|
el.classList.remove("disabled");
|
|
}
|
|
}
|
|
|
|
onkey(evt: KeyboardEvent) {
|
|
const {localName} = <HTMLElement> evt.target;
|
|
if (localName === "input" || localName === "textarea") {
|
|
return undefined;
|
|
}
|
|
if (this.onaction) {
|
|
this.onaction();
|
|
}
|
|
return true;
|
|
}
|
|
}
|