From 62a472d2d193e0cd3491523cbe9e387acbddcf1d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=98=AD?= <yonghui.lan@fit2cloud.com>
Date: Fri, 3 Jul 2026 11:41:22 +0800
Subject: [PATCH] ref: refactor code editor theme management (#13186)

---
 frontend/src/utils/code-editor-theme.ts       |  2 ++
 .../file-management/code-editor/index.vue     | 36 ++++++++++---------
 frontend/src/views/setting/panel/index.vue    |  2 ++
 3 files changed, 23 insertions(+), 17 deletions(-)

diff --git a/frontend/src/utils/code-editor-theme.ts b/frontend/src/utils/code-editor-theme.ts
index 5084b4dbd..9f1d3851c 100644
--- a/frontend/src/utils/code-editor-theme.ts
+++ b/frontend/src/utils/code-editor-theme.ts
@@ -1,5 +1,7 @@
 export type CodeEditorTheme = 'vs' | 'vs-dark' | 'hc-black';
 
+export const codeEditorThemeStorageKey = 'code-theme';
+
 export const getDefaultCodeEditorTheme = (isDarkTheme: boolean): CodeEditorTheme => {
     return isDarkTheme ? 'vs-dark' : 'vs';
 };
diff --git a/frontend/src/views/host/file-management/code-editor/index.vue b/frontend/src/views/host/file-management/code-editor/index.vue
index c289231ca..252475c7e 100644
--- a/frontend/src/views/host/file-management/code-editor/index.vue
+++ b/frontend/src/views/host/file-management/code-editor/index.vue
@@ -423,7 +423,12 @@ import CodeTabs from './tabs/index.vue';
 import FileHistoryDrawer from './history/index.vue';
 import noUpdateImage from '@/assets/images/no_update_app.svg';
 import { useGlobalStore } from '@/composables/useGlobalStore';
-import { CodeEditorTheme, getDefaultCodeEditorTheme, resolveCodeEditorTheme } from '@/utils/code-editor-theme';
+import {
+    CodeEditorTheme,
+    codeEditorThemeStorageKey,
+    getDefaultCodeEditorTheme,
+    resolveCodeEditorTheme,
+} from '@/utils/code-editor-theme';
 
 const { isDarkTheme, isMobile } = useGlobalStore();
 
@@ -541,7 +546,7 @@ const revealPendingInitialLine = () => {
 const open = ref(false);
 const loading = ref(false);
 const fileName = ref('');
-const codeThemeKey = 'code-theme';
+const codeThemeKey = codeEditorThemeStorageKey;
 const warpKey = 'code-warp';
 const minimapKey = 'code-minimap';
 const directoryPath = ref('');
@@ -888,14 +893,20 @@ const changeLanguage = (command: string) => {
     monacoApi.editor.setModelLanguage(model, config.language);
 };
 
-const changeTheme = (command: string) => {
+const applyCodeEditorTheme = (theme: CodeEditorTheme, persist = false) => {
+    config.theme = theme;
     if (!monacoApi) {
         return;
     }
-    config.theme = resolveCodeEditorTheme(command, isDarkTheme.value);
     monacoApi.editor.setTheme(config.theme);
     applyTreeThemeClass();
-    localStorage.setItem(codeThemeKey, config.theme);
+    if (persist) {
+        localStorage.setItem(codeThemeKey, config.theme);
+    }
+};
+
+const changeTheme = (command: string) => {
+    applyCodeEditorTheme(resolveCodeEditorTheme(command, isDarkTheme.value), true);
 };
 
 const applyTreeThemeClass = () => {
@@ -915,18 +926,9 @@ const applyTreeThemeClass = () => {
 };
 
 const syncDefaultThemeWithPanelTheme = () => {
-    if (localStorage.getItem(codeThemeKey)) {
-        return;
-    }
     const nextTheme = getDefaultCodeEditorTheme(isDarkTheme.value);
-    if (config.theme === nextTheme) {
-        return;
-    }
-    config.theme = nextTheme;
-    if (monacoApi) {
-        monacoApi.editor.setTheme(config.theme);
-    }
-    applyTreeThemeClass();
+    localStorage.removeItem(codeThemeKey);
+    applyCodeEditorTheme(nextTheme);
 };
 
 watch(isDarkTheme, syncDefaultThemeWithPanelTheme);
@@ -1155,7 +1157,7 @@ const getDirectoryPath = (filePath: string) => {
 
 const onOpen = async () => {
     await initEditor();
-    changeTheme(config.theme);
+    applyCodeEditorTheme(config.theme);
     search(directoryPath.value).then((res) => {
         handleSearchResult(res);
     });
diff --git a/frontend/src/views/setting/panel/index.vue b/frontend/src/views/setting/panel/index.vue
index 4487ab12a..26213a42a 100644
--- a/frontend/src/views/setting/panel/index.vue
+++ b/frontend/src/views/setting/panel/index.vue
@@ -224,6 +224,7 @@ import HideMenu from '@/views/setting/panel/hidemenu/index.vue';
 import { getXpackProxyDocker } from '@/extensions/xpack';
 import { getXpackSetting, updateXpackSettingByKey } from '@/utils/xpack';
 import { setPrimaryColor } from '@/utils/theme';
+import { codeEditorThemeStorageKey } from '@/utils/code-editor-theme';
 import i18n from '@/lang';
 
 const {
@@ -430,6 +431,7 @@ const onChangeWatermark = async () => {
 };
 
 const handleThemeChange = async (val: string) => {
+    localStorage.removeItem(codeEditorThemeStorageKey);
     themeConfig.value.theme = val;
     switchTheme();
     if (isXpackOrEE.value) {