mapcomplete/UI/Base/VariableUIElement.ts

61 lines
1.8 KiB
TypeScript

import {Store} from "../../Logic/UIEventSource";
import BaseUIElement from "../BaseUIElement";
import Combine from "./Combine";
export class VariableUiElement extends BaseUIElement {
private readonly _contents: Store<string | BaseUIElement | BaseUIElement[]>;
constructor(contents: Store<string | BaseUIElement | BaseUIElement[]>) {
super();
this._contents = contents;
}
Destroy() {
super.Destroy();
this.isDestroyed = true;
}
AsMarkdown(): string {
const d = this._contents?.data;
if (typeof d === "string") {
return d;
}
if (d instanceof BaseUIElement) {
return d.AsMarkdown()
}
return new Combine(<BaseUIElement[]>d).AsMarkdown()
}
protected InnerConstructElement(): HTMLElement {
const el = document.createElement("span");
const self = this;
this._contents?.addCallbackAndRun((contents) => {
if (self.isDestroyed) {
return true;
}
while (el.firstChild) {
el.removeChild(el.lastChild);
}
if (contents === undefined) {
return
}
if (typeof contents === "string") {
el.innerHTML = contents;
} else if (contents instanceof Array) {
for (const content of contents) {
const c = content?.ConstructElement();
if (c !== undefined && c !== null) {
el.appendChild(c);
}
}
} else {
const c = contents.ConstructElement();
if (c !== undefined && c !== null) {
el.appendChild(c);
}
}
});
return el;
}
}