41 lines
No EOL
1.4 KiB
TypeScript
41 lines
No EOL
1.4 KiB
TypeScript
import {InputElement} from "./InputElement";
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import {UIElement} from "../UIElement";
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import {FixedUiElement} from "../Base/FixedUiElement";
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import {UIEventSource} from "../../Logic/UIEventSource";
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export class FixedInputElement<T> extends InputElement<T> {
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private readonly rendering: UIElement;
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private readonly value: UIEventSource<T>;
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public readonly IsSelected : UIEventSource<boolean> = new UIEventSource<boolean>(false);
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private readonly _comparator: (t0: T, t1: T) => boolean;
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constructor(rendering: UIElement | string,
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value: T,
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comparator: ((t0: T, t1: T) => boolean ) = undefined) {
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super(undefined);
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this._comparator = comparator ?? ((t0, t1) => t0 == t1);
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this.value = new UIEventSource<T>(value);
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this.rendering = typeof (rendering) === 'string' ? new FixedUiElement(rendering) : rendering;
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}
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GetValue(): UIEventSource<T> {
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return this.value;
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}
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InnerRender(): string {
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return this.rendering.Render();
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}
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IsValid(t: T): boolean {
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return this._comparator(t, this.value.data);
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}
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protected InnerUpdate(htmlElement: HTMLElement) {
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super.InnerUpdate(htmlElement);
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const self = this;
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htmlElement.addEventListener("mouseenter", () => self.IsSelected.setData(true));
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htmlElement.addEventListener("mouseout", () => self.IsSelected.setData(false))
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}
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} |