ui: add confirm dialog (#226)

packages/ui-default/pages/problem_detail.page.jsx

@@ -1,6 +1,9 @@
 import yaml from 'js-yaml';
 import { getScoreColor } from '@hydrooj/utils/lib/status';
 import { NamedPage } from 'vj/misc/Page';
+import tpl from 'vj/utils/tpl';
+import i18n from 'vj/utils/i18n';
+import { ConfirmDialog } from 'vj/components/dialog';
 import { downloadProblemSet } from 'vj/components/zipDownloader';
 import loadReactRedux from 'vj/utils/loadReactRedux';
 import delay from 'vj/utils/delay';
@@ -260,6 +263,15 @@ const page = new NamedPage(['problem_detail', 'contest_detail_problem', 'homewor
     leaveScratchpadMode();
     ev.preventDefault();
   });
+  $(document).on('click', '[name="problem-sidebar__rejudge"]', (ev) => {
+    ev.preventDefault();
+    new ConfirmDialog({
+      $body: tpl.typoMsg(i18n('Confirm rejudge this problem?')),
+    }).open().then((action) => {
+      if (action !== 'yes') return;
+      $(ev.currentTarget).closest('form').trigger('submit');
+    });
+  });
   $(document).on('click', '[name="show_tags"]', (ev) => {
     $(ev.currentTarget).hide();
     $('span.tags').css('display', 'inline-block');