gitea/web_src/js/features/repo-issue-sidebar-combolist.ts

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import {fomanticQuery} from '../modules/fomantic/base.ts';
import {POST} from '../modules/fetch.ts';
import {queryElemChildren, toggleElem} from '../utils/dom.ts';
// if there are draft comments, confirm before reloading, to avoid losing comments
export function issueSidebarReloadConfirmDraftComment() {
const commentTextareas = [
document.querySelector<HTMLTextAreaElement>('.edit-content-zone:not(.tw-hidden) textarea'),
document.querySelector<HTMLTextAreaElement>('#comment-form textarea'),
];
for (const textarea of commentTextareas) {
// Most users won't feel too sad if they lose a comment with 10 chars, they can re-type these in seconds.
// But if they have typed more (like 50) chars and the comment is lost, they will be very unhappy.
if (textarea && textarea.value.trim().length > 10) {
textarea.parentElement.scrollIntoView();
if (!window.confirm('Page will be reloaded, but there are draft comments. Continuing to reload will discard the comments. Continue?')) {
return;
}
break;
}
}
window.location.reload();
}
function collectCheckedValues(elDropdown: HTMLElement) {
return Array.from(elDropdown.querySelectorAll('.menu > .item.checked'), (el) => el.getAttribute('data-value'));
}
export function initIssueSidebarComboList(container: HTMLElement) {
if (!container) return;
const updateUrl = container.getAttribute('data-update-url');
const elDropdown = container.querySelector<HTMLElement>(':scope > .ui.dropdown');
const elList = container.querySelector<HTMLElement>(':scope > .ui.list');
const elComboValue = container.querySelector<HTMLInputElement>(':scope > .combo-value');
const initialValues = collectCheckedValues(elDropdown);
elDropdown.addEventListener('click', (e) => {
const elItem = (e.target as HTMLElement).closest('.item');
if (!elItem) return;
e.preventDefault();
if (elItem.getAttribute('data-can-change') !== 'true') return;
elItem.classList.toggle('checked');
elComboValue.value = collectCheckedValues(elDropdown).join(',');
});
const updateToBackend = async (changedValues) => {
let changed = false;
for (const value of initialValues) {
if (!changedValues.includes(value)) {
await POST(updateUrl, {data: new URLSearchParams({action: 'detach', id: value})});
changed = true;
}
}
for (const value of changedValues) {
if (!initialValues.includes(value)) {
await POST(updateUrl, {data: new URLSearchParams({action: 'attach', id: value})});
changed = true;
}
}
if (changed) issueSidebarReloadConfirmDraftComment();
};
const syncList = (changedValues) => {
const elEmptyTip = elList.querySelector('.item.empty-list');
queryElemChildren(elList, '.item:not(.empty-list)', (el) => el.remove());
for (const value of changedValues) {
const el = elDropdown.querySelector<HTMLElement>(`.menu > .item[data-value="${value}"]`);
const listItem = el.cloneNode(true) as HTMLElement;
listItem.querySelector('svg.octicon-check')?.remove();
elList.append(listItem);
}
const hasItems = Boolean(elList.querySelector('.item:not(.empty-list)'));
toggleElem(elEmptyTip, !hasItems);
};
fomanticQuery(elDropdown).dropdown({
action: 'nothing', // do not hide the menu if user presses Enter
fullTextSearch: 'exact',
async onHide() {
const changedValues = collectCheckedValues(elDropdown);
if (updateUrl) {
await updateToBackend(changedValues); // send requests to backend and reload the page
} else {
syncList(changedValues); // only update the list in the sidebar
}
},
});
}