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6596b92140
See the comment. And due to the abuse, there is a regression: when the modal is hidden, the form will be reset and it can't submit. This PR fixes all problems: keep the modal with form open, and add "loading" indicator.
64 lines
2.9 KiB
TypeScript
64 lines
2.9 KiB
TypeScript
import $ from 'jquery';
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import type {FomanticInitFunction} from '../../types.ts';
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import {queryElems} from '../../utils/dom.ts';
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import {hideToastsFrom} from '../toast.ts';
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const fomanticModalFn = $.fn.modal;
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// use our own `$.fn.modal` to patch Fomantic's modal module
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export function initAriaModalPatch() {
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if ($.fn.modal === ariaModalFn) throw new Error('initAriaModalPatch could only be called once');
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$.fn.modal = ariaModalFn;
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(ariaModalFn as FomanticInitFunction).settings = fomanticModalFn.settings;
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$.fn.fomanticExt.onModalBeforeHidden = onModalBeforeHidden;
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$.fn.modal.settings.onApprove = onModalApproveDefault;
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}
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// the patched `$.fn.modal` modal function
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// * it does the one-time attaching on the first call
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function ariaModalFn(this: any, ...args: Parameters<FomanticInitFunction>) {
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const ret = fomanticModalFn.apply(this, args);
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if (args[0] === 'show' || args[0]?.autoShow) {
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for (const el of this) {
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// If there is a form in the modal, there might be a "cancel" button before "ok" button (all buttons are "type=submit" by default).
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// In such case, the "Enter" key will trigger the "cancel" button instead of "ok" button, then the dialog will be closed.
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// It breaks the user experience - the "Enter" key should confirm the dialog and submit the form.
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// So, all "cancel" buttons without "[type]" must be marked as "type=button".
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for (const button of el.querySelectorAll('form button.cancel:not([type])')) {
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button.setAttribute('type', 'button');
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}
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}
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}
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return ret;
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}
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function onModalBeforeHidden(this: any) {
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const $modal = $(this);
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const elModal = $modal[0];
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hideToastsFrom(elModal.closest('.ui.dimmer') ?? document.body);
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// reset the form after the modal is hidden, after other modal events and handlers (e.g. "onApprove", form submit)
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setTimeout(() => {
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queryElems(elModal, 'form', (form: HTMLFormElement) => form.reset());
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}, 0);
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}
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function onModalApproveDefault(this: any) {
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const $modal = $(this);
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const selectors = $modal.modal('setting', 'selector');
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const elModal = $modal[0];
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const elApprove = elModal.querySelector(selectors.approve);
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const elForm = elApprove?.closest('form');
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if (!elForm) return true; // no form, just allow closing the modal
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// "form-fetch-action" can handle network errors gracefully,
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// so keep the modal dialog to make users can re-submit the form if anything wrong happens.
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if (elForm.matches('.form-fetch-action')) return false;
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// There is an abuse for the "modal" + "form" combination, the "Approve" button is a traditional form submit button in the form.
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// Then "approve" and "submit" occur at the same time, the modal will be closed immediately before the form is submitted.
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// So here we prevent the modal from closing automatically by returning false, add the "is-loading" class to the form element.
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elForm.classList.add('is-loading');
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return false;
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}
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