33 lines
787 B
TypeScript
33 lines
787 B
TypeScript
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import { property } from "lit-element";
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import { EVENT_REFRESH } from "../../constants";
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import { Form } from "./Form";
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export abstract class ModelForm<T, PKT> extends Form<T> {
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abstract loadInstance(pk: PKT): Promise<T>;
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@property()
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set instancePk(value: PKT) {
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this._instancePk = value;
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this.loadInstance(value).then(instance => {
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this.instance = instance;
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});
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}
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private _instancePk?: PKT;
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@property({ attribute: false })
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instance?: T;
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constructor() {
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super();
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this.addEventListener(EVENT_REFRESH, () => {
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if (!this._instancePk) return;
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this.loadInstance(this._instancePk).then(instance => {
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this.instance = instance;
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});
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});
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}
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}
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