55 lines
1.4 KiB
JavaScript
55 lines
1.4 KiB
JavaScript
import { dedupeMixin } from '@lion/core';
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import { formRegistrarManager } from './formRegistrarManager.js';
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/**
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* #FormRegisteringMixin:
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*
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* This Mixin registers a form element to a Registrar
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*
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* @polymerMixin
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* @mixinFunction
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*/
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export const FormRegisteringMixin = dedupeMixin(
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superclass =>
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// eslint-disable-next-line no-shadow, no-unused-vars
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class FormRegisteringMixin extends superclass {
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connectedCallback() {
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if (super.connectedCallback) {
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super.connectedCallback();
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}
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this.__setupRegistrationHook();
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}
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disconnectedCallback() {
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if (super.disconnectedCallback) {
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super.disconnectedCallback();
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}
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this._unregisterFormElement();
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}
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__setupRegistrationHook() {
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if (formRegistrarManager.ready) {
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this._dispatchRegistration();
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} else {
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formRegistrarManager.addEventListener('all-forms-open-for-registration', () => {
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this._dispatchRegistration();
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});
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}
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}
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_dispatchRegistration() {
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this.dispatchEvent(
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new CustomEvent('form-element-register', {
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detail: { element: this },
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bubbles: true,
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}),
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);
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}
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_unregisterFormElement() {
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if (this.__parentFormGroup) {
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this.__parentFormGroup.removeFormElement(this);
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}
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}
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},
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);
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