core&ui: language selection bug fix

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "3.17.4",
+    "version": "3.17.5",
     "bin": "bin/hydrooj.js",
     "main": "src/loader",
     "module": "src/loader",

packages/hydrooj/src/handler/problem.ts

@@ -349,6 +349,8 @@ export class ProblemDetailHandler extends ContestDetailBaseHandler {
                 const p = this.pdoc.config.subType;
                 const dl = [p, ...Object.keys(setting.langs).filter((i) => i.startsWith(`${p}.`))];
                 baseLangs = dl;
+            } else if (['objective', 'submit_answer'].includes(this.pdoc.config.type)) {
+                baseLangs = ['_'];
             } else {
                 baseLangs = Object.keys(setting.langs).filter((i) => !setting.langs[i].remote);
             }
@@ -478,7 +480,11 @@ export class ProblemSubmitHandler extends ProblemDetailHandler {
 
     async get() {
         this.response.template = 'problem_submit.html';
+        const langRange = (typeof this.pdoc.config === 'object' && this.pdoc.config.langs)
+            ? Object.fromEntries(this.pdoc.config.langs.map((i) => [i, setting.langs[i]?.display || i]))
+            : setting.SETTINGS_BY_KEY.codeLang.range;
         this.response.body = {
+            langRange,
             pdoc: this.pdoc,
             udoc: this.udoc,
             title: this.pdoc.title,

packages/ui-default/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@hydrooj/ui-default",
-  "version": "4.40.3",
+  "version": "4.40.4",
   "author": "undefined <i@undefined.moe>",
   "license": "AGPL-3.0",
   "main": "hydro.js",

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

@@ -3,6 +3,7 @@ import $ from 'jquery';
 import yaml from 'js-yaml';
 import React from 'react';
 import { createRoot } from 'react-dom/client';
+import Notification from 'vj/components/notification';
 import { downloadProblemSet } from 'vj/components/zipDownloader';
 import { NamedPage } from 'vj/misc/Page';
 import delay from 'vj/utils/delay';

packages/ui-default/pages/problem_submit.page.tsx

@@ -5,6 +5,10 @@ import getAvailableLangs from 'vj/utils/availableLangs';
 
 const page = new NamedPage(['problem_submit', 'contest_detail_problem_submit', 'homework_detail_problem_submit'], async () => {
   const { config } = UiContext.pdoc;
+  if (config.type === 'submit_answer') {
+    $('[name="lang"]').val('_');
+    return;
+  }
   const availableLangs = getAvailableLangs(config.langs);
   const mainLangs = {};
   const preferences = [($('[name="lang"]').val() as string) || ''];

packages/ui-default/templates/problem_submit.html

@@ -12,7 +12,7 @@
           <div class="hasjs--hide">
             {{ form.form_select({
                 label:'Code language',
-                options:model.setting.SETTINGS_BY_KEY['codeLang'].range,
+                options:langRange,
                 name:'lang',
                 value:handler.user.codeLang
               }) }}