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