2 files changed, 38 insertions, 4 deletions
diff --git a/web_src/js/modules/fomantic/dropdown.ts b/web_src/js/modules/fomantic/dropdown.ts
index 0360b8ef95..ccc22073d7 100644
--- a/web_src/js/modules/fomantic/dropdown.ts
+++ b/web_src/js/modules/fomantic/dropdown.ts
@@ -9,9 +9,9 @@ const fomanticDropdownFn = $.fn.dropdown;
 // use our own `$().dropdown` function to patch Fomantic's dropdown module
 export function initAriaDropdownPatch() {
   if ($.fn.dropdown === ariaDropdownFn) throw new Error('initAriaDropdownPatch could only be called once');
-  $.fn.dropdown.settings.onAfterFiltered = onAfterFiltered;
   $.fn.dropdown = ariaDropdownFn;
   $.fn.fomanticExt.onResponseKeepSelectedItem = onResponseKeepSelectedItem;
+  $.fn.fomanticExt.onDropdownAfterFiltered = onDropdownAfterFiltered;
   (ariaDropdownFn as FomanticInitFunction).settings = fomanticDropdownFn.settings;
 }
 
@@ -71,11 +71,11 @@ function updateSelectionLabel(label: HTMLElement) {
   }
 }
 
-function onAfterFiltered(this: any) {
-  const $dropdown = $(this);
+function onDropdownAfterFiltered(this: any) {
+  const $dropdown = $(this).closest('.ui.dropdown'); // "this" can be the "ui dropdown" or "<select>"
   const hideEmptyDividers = $dropdown.dropdown('setting', 'hideDividers') === 'empty';
   const itemsMenu = $dropdown[0].querySelector('.scrolling.menu') || $dropdown[0].querySelector('.menu');
-  if (hideEmptyDividers) hideScopedEmptyDividers(itemsMenu);
+  if (hideEmptyDividers && itemsMenu) hideScopedEmptyDividers(itemsMenu);
 }
 
 // delegate the dropdown's template functions and callback functions to add aria attributes.
diff --git a/web_src/js/modules/fomantic/modal.ts b/web_src/js/modules/fomantic/modal.ts
index 6a2c558890..a96c7785e1 100644
--- a/web_src/js/modules/fomantic/modal.ts
+++ b/web_src/js/modules/fomantic/modal.ts
@@ -1,5 +1,7 @@
 import $ from 'jquery';
 import type {FomanticInitFunction} from '../../types.ts';
+import {queryElems} from '../../utils/dom.ts';
+import {hideToastsFrom} from '../toast.ts';
 
 const fomanticModalFn = $.fn.modal;
 
@@ -8,6 +10,8 @@ export function initAriaModalPatch() {
   if ($.fn.modal === ariaModalFn) throw new Error('initAriaModalPatch could only be called once');
   $.fn.modal = ariaModalFn;
   (ariaModalFn as FomanticInitFunction).settings = fomanticModalFn.settings;
+  $.fn.fomanticExt.onModalBeforeHidden = onModalBeforeHidden;
+  $.fn.modal.settings.onApprove = onModalApproveDefault;
 }
 
 // the patched `$.fn.modal` modal function
@@ -27,3 +31,33 @@ function ariaModalFn(this: any, ...args: Parameters<FomanticInitFunction>) {
   }
   return ret;
 }
+
+function onModalBeforeHidden(this: any) {
+  const $modal = $(this);
+  const elModal = $modal[0];
+  hideToastsFrom(elModal.closest('.ui.dimmer') ?? document.body);
+
+  // reset the form after the modal is hidden, after other modal events and handlers (e.g. "onApprove", form submit)
+  setTimeout(() => {
+    queryElems(elModal, 'form', (form: HTMLFormElement) => form.reset());
+  }, 0);
+}
+
+function onModalApproveDefault(this: any) {
+  const $modal = $(this);
+  const selectors = $modal.modal('setting', 'selector');
+  const elModal = $modal[0];
+  const elApprove = elModal.querySelector(selectors.approve);
+  const elForm = elApprove?.closest('form');
+  if (!elForm) return true; // no form, just allow closing the modal
+
+  // "form-fetch-action" can handle network errors gracefully,
+  // so keep the modal dialog to make users can re-submit the form if anything wrong happens.
+  if (elForm.matches('.form-fetch-action')) return false;
+
+  // There is an abuse for the "modal" + "form" combination, the "Approve" button is a traditional form submit button in the form.
+  // Then "approve" and "submit" occur at the same time, the modal will be closed immediately before the form is submitted.
+  // So here we prevent the modal from closing automatically by returning false, add the "is-loading" class to the form element.
+  elForm.classList.add('is-loading');
+  return false;
+}