src/features/settings/Settings.tsx

@@ -1,36 +1,40 @@
 import {
+  Box,
   Button,
+  Center,
   Flex,
+  HStack,
   Menu,
   MenuButton,
   MenuItem,
   MenuList,
   Portal,
+  Spacer,
   Tab,
   TabList,
   TabPanel,
   TabPanels,
   Tabs,
   Text,
+  VStack,
   useBreakpointValue,
 } from '@chakra-ui/react';
 import { PanelQMCv2Key } from './panels/PanelQMCv2Key';
 import { useState } from 'react';
 import { MdExpandMore, MdMenu } from 'react-icons/md';
+import { useAppDispatch } from '~/hooks';
+import { commitStagingChange, discardStagingChanges } from './settingsSlice';
 
 const TABS: { name: string; Tab: () => JSX.Element }[] = [
   { name: 'QMCv2 密钥', Tab: PanelQMCv2Key },
   {
     name: '其它／待定',
-    Tab: () => (
-      <TabPanel>
-        <Text>这里空空如也～</Text>
-      </TabPanel>
-    ),
+    Tab: () => <Text>这里空空如也～</Text>,
   },
 ];
 
 export function Settings() {
+  const dispatch = useAppDispatch();
   const isLargeWidthDevice =
     useBreakpointValue({
       base: false,
@@ -41,6 +45,8 @@ export function Settings() {
   const handleTabChange = (idx: number) => {
     setTabIndex(idx);
   };
+  const handleResetSettings = () => dispatch(discardStagingChanges());
+  const handleApplySettings = () => dispatch(commitStagingChange());
 
   return (
     <Flex flexDir="column" flex={1}>
@@ -86,7 +92,26 @@ export function Settings() {
 
         <TabPanels>
           {TABS.map(({ name, Tab }) => (
-            <Tab key={name} />
+            <Flex as={TabPanel} flex={1} flexDir="column" h="100%" key={name}>
+              <Flex h="100%" flex={1} minH={0}>
+                <Tab />
+              </Flex>
+
+              <VStack mt="4" alignItems="flex-start" w="full">
+                <Flex flexDir="row" gap="2" w="full">
+                  <Center>
+                    <Box color="gray">设置会在保存后生效。</Box>
+                  </Center>
+                  <Spacer />
+                  <HStack gap="2" justifyContent="flex-end">
+                    <Button onClick={handleResetSettings} colorScheme="red" variant="ghost" title="重置为更改前的状态">
+                      重置
+                    </Button>
+                    <Button onClick={handleApplySettings}>应用</Button>
+                  </HStack>
+                </Flex>
+              </VStack>
+            </Flex>
           ))}
         </TabPanels>
       </Tabs>

src/features/settings/panels/PanelQMCv2Key.tsx

@@ -2,7 +2,6 @@ import {
   Box,
   Button,
   ButtonGroup,
-  Center,
   Flex,
   HStack,
   Heading,
@@ -19,84 +18,34 @@ import {
   MenuDivider,
   MenuItem,
   MenuList,
-  Spacer,
-  TabPanel,
   Text,
   VStack,
-  useToast,
 } from '@chakra-ui/react';
 import { useDispatch, useSelector } from 'react-redux';
-import { selectQM2CSettings, updateQMC2Keys } from '../settingsSlice';
-import React, { useEffect, useState } from 'react';
-import { nanoid } from 'nanoid';
-import { produce } from 'immer';
-import { MdAdd, MdAndroid, MdDeleteForever, MdExpandMore, MdFileUpload, MdVpnKey } from 'react-icons/md';
-import { objectify } from 'radash';
-
-interface InternalQMCKeys {
-  id: string;
-  name: string;
-  key: string;
-}
+import { qmc2AddKey, qmc2ClearKeys, qmc2DeleteKey, qmc2UpdateKey } from '../settingsSlice';
+import { selectStagingQMCv2Settings } from '../settingsSelector';
+import React from 'react';
+import { MdAdd, MdAndroid, MdDelete, MdDeleteForever, MdExpandMore, MdFileUpload, MdVpnKey } from 'react-icons/md';
 
 export function PanelQMCv2Key() {
-  const toast = useToast();
   const dispatch = useDispatch();
-  const qmcSettings = useSelector(selectQM2CSettings);
-  const [isModified, setIsModified] = useState(false);
-  const [qmcKeys, setQMCKeys] = useState<InternalQMCKeys[]>([]);
-  const resetQmcKeys = () => {
-    const result: InternalQMCKeys[] = [];
-    for (const [name, key] of Object.entries(qmcSettings.keys)) {
-      result.push({ id: name, name, key });
-    }
-    setQMCKeys(result);
-  };
-  const addRow = () => {
-    setIsModified(true);
-    setQMCKeys((prev) => [...prev, { id: nanoid(), key: '', name: '' }]);
-  };
-  const updateKey = (prop: 'name' | 'key', id: string, e: React.ChangeEvent<HTMLInputElement>) => {
-    setIsModified(true);
-    setQMCKeys((prev) =>
-      produce(prev, (draft) => {
-        const item = draft.find((item) => item.id === id);
-        if (item) {
-          item[prop] = e.target.value;
-        }
-      })
-    );
-  };
-  const applyChanges = () => {
-    dispatch(
-      updateQMC2Keys(
-        objectify(
-          qmcKeys,
-          (item) => item.name,
-          (item) => item.key
-        )
-      )
-    );
+  const qmc2Keys = useSelector(selectStagingQMCv2Settings).keys;
 
-    toast({
-      title: 'QMCv2 密钥的更改已保存。',
-      status: 'success',
-      isClosable: true,
-      duration: 2500,
-    });
-  };
-  const clearAll = () => setQMCKeys([]);
-  useEffect(resetQmcKeys, [qmcSettings.keys]);
+  const addKey = () => dispatch(qmc2AddKey());
+  const updateKey = (prop: 'name' | 'key', id: string, e: React.ChangeEvent<HTMLInputElement>) =>
+    dispatch(qmc2UpdateKey({ id, field: prop, value: e.target.value }));
+  const deleteKey = (id: string) => dispatch(qmc2DeleteKey({ id }));
+  const clearAll = () => dispatch(qmc2ClearKeys());
 
   return (
-    <Flex as={TabPanel} flexDir="column" h="100%">
+    <Flex minH={0} flexDir="column" flex={1}>
       <Heading as="h2" size="lg">
         密钥
       </Heading>
 
-      <Box pb="2">
+      <Box pb={2} pt={2}>
         <ButtonGroup isAttached variant="outline">
-          <Button onClick={addRow} leftIcon={<Icon as={MdAdd} />}>
+          <Button onClick={addKey} leftIcon={<Icon as={MdAdd} />}>
             添加
           </Button>
           <Menu>
@@ -120,8 +69,8 @@ export function PanelQMCv2Key() {
 
       <Box flex={1} minH={0} overflow="auto" pr="4">
         <List spacing={3}>
-          {qmcKeys.map(({ id, key, name }, i) => (
-            <ListItem key={id}>
+          {qmc2Keys.map(({ id, key, name }, i) => (
+            <ListItem key={id} mt={0} pt={2} pb={2} _even={{ bg: 'gray.50' }}>
               <HStack>
                 <Text w="2em" textAlign="center">
                   {i + 1}
@@ -147,37 +96,21 @@ export function PanelQMCv2Key() {
                     </InputRightElement>
                   </InputGroup>
                 </VStack>
+
+                <IconButton
+                  aria-label="删除该密钥"
+                  icon={<Icon as={MdDelete} boxSize={6} />}
+                  variant="ghost"
+                  colorScheme="red"
+                  type="button"
+                  onClick={() => deleteKey(id)}
+                />
               </HStack>
             </ListItem>
           ))}
         </List>
-        {qmcKeys.length === 0 && <Text>还没有添加密钥。</Text>}
+        {qmc2Keys.length === 0 && <Text>还没有添加密钥。</Text>}
       </Box>
-
-      <VStack mt="4" alignItems="flex-start" w="full">
-        <Flex flexDir="row" gap="2" w="full">
-          <Center>
-            <Text as={Box} color="gray">
-              重复项只保留最后一项。
-            </Text>
-          </Center>
-          <Spacer />
-          <HStack gap="2" justifyContent="flex-end">
-            <Button
-              disabled={!isModified}
-              onClick={resetQmcKeys}
-              colorScheme="red"
-              variant="ghost"
-              title="重置为更改前的状态"
-            >
-              重置
-            </Button>
-            <Button disabled={!isModified} onClick={applyChanges}>
-              应用
-            </Button>
-          </HStack>
-        </Flex>
-      </VStack>
     </Flex>
   );
 }

src/features/settings/persistSettings.ts

@@ -2,14 +2,14 @@ import { debounce } from 'radash';
 import { produce } from 'immer';
 
 import type { AppStore } from '~/store';
-import { SettingsState, settingsSlice, updateSettings } from './settingsSlice';
+import { settingsSlice, setProductionChanges, ProductionSettings } from './settingsSlice';
 import { enumObject } from '~/util/objects';
 import { getLogger } from '~/util/logUtils';
 
 const DEFAULT_STORAGE_KEY = 'um-react-settings';
 
-function mergeSettings(settings: SettingsState): SettingsState {
-  return produce(settingsSlice.getInitialState(), (draft) => {
+function mergeSettings(settings: ProductionSettings): ProductionSettings {
+  return produce(settingsSlice.getInitialState().production, (draft) => {
     for (const [k, v] of enumObject(settings.qmc2?.keys)) {
       if (typeof v === 'string') {
         draft.qmc2.keys[k] = v;
@@ -22,10 +22,10 @@ export function persistSettings(store: AppStore, storageKey = DEFAULT_STORAGE_KE
   let lastSettings: unknown;
 
   try {
-    const loadedSettings: SettingsState = JSON.parse(localStorage.getItem(storageKey) ?? '');
+    const loadedSettings: ProductionSettings = JSON.parse(localStorage.getItem(storageKey) ?? '');
     if (loadedSettings) {
       const mergedSettings = mergeSettings(loadedSettings);
-      store.dispatch(updateSettings(mergedSettings));
+      store.dispatch(setProductionChanges(mergedSettings));
       getLogger().debug('settings loaded');
     }
   } catch {
@@ -34,7 +34,7 @@ export function persistSettings(store: AppStore, storageKey = DEFAULT_STORAGE_KE
 
   return store.subscribe(
     debounce({ delay: 150 }, () => {
-      const currentSettings = store.getState().settings;
+      const currentSettings = store.getState().settings.production;
       if (lastSettings !== currentSettings) {
         lastSettings = currentSettings;
         localStorage.setItem(storageKey, JSON.stringify(currentSettings));

src/features/settings/settingsSelector.ts

@@ -2,8 +2,11 @@ import type { DecryptCommandOptions } from '~/decrypt-worker/types';
 import type { RootState } from '~/store';
 import { hasOwn } from '~/util/objects';
 
+export const selectStagingQMCv2Settings = (state: RootState) => state.settings.staging.qmc2;
+export const selectFinalQMCv2Settings = (state: RootState) => state.settings.production.qmc2;
+
 export const selectDecryptOptionByFile = (state: RootState, name: string): DecryptCommandOptions => {
-  const qmc2Keys = state.settings.qmc2.keys;
+  const qmc2Keys = selectFinalQMCv2Settings(state).keys;
 
   return {
     qmc2Key: hasOwn(qmc2Keys, name) ? qmc2Keys[name] : undefined,

src/features/settings/settingsSlice.ts

@@ -1,28 +1,92 @@
 import { createSlice } from '@reduxjs/toolkit';
 import type { PayloadAction } from '@reduxjs/toolkit';
-import type { RootState } from '~/store';
+import { nanoid } from 'nanoid';
+import { objectify } from 'radash';
 
-export interface QMCSettings {
-  keys: Record<string, string>; // {  [fileName]: ekey  }
+export interface StagingSettings {
+  qmc2: {
+    keys: { id: string; name: string; key: string }[];
+  };
+}
+
+export interface ProductionSettings {
+  qmc2: {
+    keys: Record<string, string>; // {  [fileName]: ekey  }
+  };
 }
 
 export interface SettingsState {
-  qmc2: QMCSettings;
+  staging: StagingSettings;
+  production: ProductionSettings;
 }
-
 const initialState: SettingsState = {
-  qmc2: { keys: {} },
+  staging: {
+    qmc2: {
+      keys: [],
+    },
+  },
+  production: {
+    qmc2: {
+      keys: {},
+    },
+  },
 };
 
+const stagingToProduction = (staging: StagingSettings): ProductionSettings => ({
+  qmc2: {
+    keys: objectify(
+      staging.qmc2.keys,
+      (item) => item.name,
+      (item) => item.key
+    ),
+  },
+});
+
+const productionToStaging = (production: ProductionSettings): StagingSettings => ({
+  qmc2: {
+    keys: Object.entries(production.qmc2.keys).map(([name, key]) => ({ id: nanoid(), name, key })),
+  },
+});
+
 export const settingsSlice = createSlice({
   name: 'settings',
   initialState,
   reducers: {
-    updateSettings: (_state, { payload }: PayloadAction<SettingsState>) => {
-      return payload;
+    setProductionChanges: (_state, { payload }: PayloadAction<ProductionSettings>) => {
+      return {
+        production: payload,
+        staging: productionToStaging(payload),
+      };
     },
-    updateQMC2Keys: (state, { payload }: PayloadAction<QMCSettings['keys']>) => {
-      state.qmc2.keys = payload;
+    qmc2AddKey(state) {
+      state.staging.qmc2.keys.push({ id: nanoid(), name: '', key: '' });
+    },
+    qmc2DeleteKey(state, { payload: { id } }: PayloadAction<{ id: string }>) {
+      const qmc2 = state.staging.qmc2;
+      qmc2.keys = qmc2.keys.filter((item) => item.id !== id);
+    },
+    qmc2UpdateKey(
+      state,
+      { payload: { id, field, value } }: PayloadAction<{ id: string; field: 'name' | 'key'; value: string }>
+    ) {
+      const keyItem = state.staging.qmc2.keys.find((item) => item.id === id);
+      if (keyItem) {
+        keyItem[field] = value;
+      }
+    },
+    qmc2ClearKeys(state) {
+      state.staging.qmc2.keys = [];
+    },
+    discardStagingChanges: (state) => {
+      state.staging = productionToStaging(state.production);
+    },
+    commitStagingChange: (state) => {
+      const production = stagingToProduction(state.staging);
+      return {
+        // Sync back to staging
+        staging: productionToStaging(production),
+        production,
+      };
     },
     resetConfig: () => {
       return initialState;
@@ -30,8 +94,17 @@ export const settingsSlice = createSlice({
   },
 });
 
-export const { updateSettings, resetConfig, updateQMC2Keys } = settingsSlice.actions;
+export const {
+  setProductionChanges,
+  resetConfig,
 
-export const selectQM2CSettings = (state: RootState) => state.settings.qmc2;
+  qmc2AddKey,
+  qmc2UpdateKey,
+  qmc2DeleteKey,
+  qmc2ClearKeys,
+
+  commitStagingChange,
+  discardStagingChanges,
+} = settingsSlice.actions;
 
 export default settingsSlice.reducer;