mapcomplete/UI/Input/CombinedInputElement.ts

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import {InputElement} from "./InputElement";
import {UIEventSource} from "../../Logic/UIEventSource";
import Combine from "../Base/Combine";
import {UIElement} from "../UIElement";
export default class CombinedInputElement<T> extends InputElement<T> {
private readonly _a: InputElement<T>;
private readonly _b: UIElement;
private readonly _combined: UIElement;
public readonly IsSelected: UIEventSource<boolean>;
constructor(a: InputElement<T>, b: InputElement<T>) {
super();
this._a = a;
this._b = b;
this.IsSelected = this._a.IsSelected.map((isSelected) => {
return isSelected || b.IsSelected.data
}, [b.IsSelected])
this._combined = new Combine([this._a, this._b]);
}
GetValue(): UIEventSource<T> {
return this._a.GetValue();
}
InnerRender(): string {
return this._combined.Render();
}
IsValid(t: T): boolean {
return this._a.IsValid(t);
}
}