core&ui: add clarification (#669)

packages/ui-default/pages/contest_manage.page.ts

@@ -0,0 +1,24 @@
+import $ from 'jquery';
+import { NamedPage } from 'vj/misc/Page';
+function handleReplyOrBroadcast(ev) {
+  const title = $(ev.currentTarget).data('title');
+  const did = $(ev.currentTarget).data('did');
+
+  $('#reply_or_broadcast .section_title').text(title);
+  $('#reply_or_broadcast [name="did"]').val(did ?? '');
+  const $item = $(`#clarification_${did} .media`);
+  if ($item.length) {
+    $('#reply_or_broadcast .form__item_subject').hide();
+    $('#reply_or_broadcast .clarification-container').empty().append($item.clone());
+  } else {
+    $('#reply_or_broadcast .form__item_subject').show();
+    $('#reply_or_broadcast .clarification-container').empty();
+  }
+}
+
+const page = new NamedPage('contest_manage', () => {
+  $(document).on('click', '[name="broadcast"]', handleReplyOrBroadcast);
+  $(document).on('click', '[name="reply"]', handleReplyOrBroadcast);
+});
+
+export default page;