mapcomplete/UI/Base/VariableUIElement.ts

46 lines
No EOL
1.3 KiB
TypeScript

import {UIEventSource} from "../../Logic/UIEventSource";
import BaseUIElement from "../BaseUIElement";
export class VariableUiElement extends BaseUIElement {
private _element : HTMLElement;
constructor(contents: UIEventSource<string | BaseUIElement | BaseUIElement[]>) {
super();
this._element = document.createElement("span")
const el = this._element
contents.addCallbackAndRun(contents => {
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)
}
}
})
}
protected InnerConstructElement(): HTMLElement {
return this._element;
}
}