feat: support multi-select

app/build.gradle.kts

@@ -114,6 +114,7 @@ android {
             applicationIdSuffix = ".debug"
             resValue("string", "app_name", "GKD-debug")
             resValue("string", "capture_label", "捕获快照-debug")
+            resValue("string", "import_desc", "GKD-debug-导入数据")
         }
     }
     compileOptions {

app/src/main/kotlin/li/songe/gkd/MainViewModel.kt

@@ -13,6 +13,7 @@ import li.songe.gkd.data.RawSubscription
 import li.songe.gkd.data.SubsItem
 import li.songe.gkd.db.DbSet
 import li.songe.gkd.permission.authReasonFlow
+import li.songe.gkd.util.LOCAL_SUBS_ID
 import li.songe.gkd.util.checkUpdate
 import li.songe.gkd.util.clearCache
 import li.songe.gkd.util.launchTry
@@ -24,7 +25,7 @@ class MainViewModel : ViewModel() {
     init {
 
         val localSubsItem = SubsItem(
-            id = -2, order = -2, mtime = System.currentTimeMillis()
+            id = LOCAL_SUBS_ID, order = -2, mtime = System.currentTimeMillis()
         )
         viewModelScope.launchTry(Dispatchers.IO) {
             val subsItems = DbSet.subsItemDao.queryAll()

app/src/main/kotlin/li/songe/gkd/data/CategoryConfig.kt

@@ -40,6 +40,9 @@ data class CategoryConfig(
         @Query("DELETE FROM category_config WHERE subs_item_id=:subsItemId")
         suspend fun deleteBySubsItemId(subsItemId: Long): Int
 
+        @Query("DELETE FROM category_config WHERE subs_item_id IN (:subsIds)")
+        suspend fun deleteBySubsId(vararg subsIds: Long): Int
+
         @Query("DELETE FROM category_config WHERE subs_item_id=:subsItemId AND category_key=:categoryKey")
         suspend fun deleteByCategoryKey(subsItemId: Long, categoryKey: Int): Int
 

app/src/main/kotlin/li/songe/gkd/data/ClickLog.kt

@@ -58,8 +58,8 @@ data class ClickLog(
         suspend fun delete(vararg objects: ClickLog): Int
 
 
-        @Query("DELETE FROM click_log WHERE subs_id=:subsItemId")
+        @Query("DELETE FROM click_log WHERE subs_id IN (:subsIds)")
-        suspend fun deleteBySubsId(subsItemId: Long): Int
+        suspend fun deleteBySubsId(vararg subsIds: Long): Int
 
         @Query("DELETE FROM click_log")
         suspend fun deleteAll()

app/src/main/kotlin/li/songe/gkd/data/SubsConfig.kt

@@ -53,6 +53,9 @@ data class SubsConfig(
         @Query("DELETE FROM subs_config WHERE subs_item_id=:subsItemId")
         suspend fun delete(subsItemId: Long): Int
 
+        @Query("DELETE FROM subs_config WHERE subs_item_id IN (:subsIds)")
+        suspend fun deleteBySubsId(vararg subsIds: Long): Int
+
         @Query("DELETE FROM subs_config WHERE subs_item_id=:subsItemId AND app_id=:appId")
         suspend fun delete(subsItemId: Long, appId: String): Int
 

app/src/main/kotlin/li/songe/gkd/data/SubsItem.kt

@@ -10,11 +10,16 @@ import androidx.room.PrimaryKey
 import androidx.room.Query
 import androidx.room.Transaction
 import androidx.room.Update
+import kotlinx.collections.immutable.toImmutableMap
+import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.Flow
 import kotlinx.serialization.Serializable
+import li.songe.gkd.appScope
 import li.songe.gkd.db.DbSet
-import li.songe.gkd.util.deleteSubscription
 import li.songe.gkd.util.isSafeUrl
+import li.songe.gkd.util.launchTry
+import li.songe.gkd.util.subsFolder
+import li.songe.gkd.util.subsIdToRawFlow
 
 @Serializable
 @Entity(
@@ -50,14 +55,6 @@ data class SubsItem(
         }
     }
 
-    suspend fun removeAssets() {
-        deleteSubscription(id)
-        DbSet.subsItemDao.delete(this)
-        DbSet.subsConfigDao.delete(id)
-        DbSet.clickLogDao.deleteBySubsId(id)
-        DbSet.categoryConfigDao.deleteBySubsItemId(id)
-    }
-
     @Dao
     interface SubsItemDao {
         @Update
@@ -94,8 +91,28 @@ data class SubsItem(
         @Query("SELECT * FROM subs_item ORDER BY `order`")
         fun queryAll(): List<SubsItem>
 
-        @Query("SELECT * FROM subs_item WHERE id=:id")
+        @Query("DELETE FROM subs_item WHERE id IN (:ids)")
-        fun queryById(id: Long): Flow<SubsItem?>
+        suspend fun deleteById(vararg ids: Long)
     }
 
 }
+
+
+fun deleteSubscription(vararg subsIds: Long) {
+    appScope.launchTry(Dispatchers.IO) {
+        DbSet.subsItemDao.deleteById(*subsIds)
+        DbSet.subsConfigDao.deleteBySubsId(*subsIds)
+        DbSet.clickLogDao.deleteBySubsId(*subsIds)
+        DbSet.categoryConfigDao.deleteBySubsId(*subsIds)
+        val newMap = subsIdToRawFlow.value.toMutableMap()
+        subsIds.forEach { id ->
+            newMap.remove(id)
+            subsFolder.resolve("$id.json").apply {
+                if (exists()) {
+                    delete()
+                }
+            }
+        }
+        subsIdToRawFlow.value = newMap.toImmutableMap()
+    }
+}

app/src/main/kotlin/li/songe/gkd/data/TransferData.kt

@@ -2,6 +2,7 @@ package li.songe.gkd.data
 
 import kotlinx.serialization.Serializable
 import li.songe.gkd.db.DbSet
+import li.songe.gkd.util.LOCAL_SUBS_IDS
 import li.songe.gkd.util.subsIdToRawFlow
 import li.songe.gkd.util.subsItemsFlow
 import li.songe.gkd.util.updateSubscription
@@ -21,20 +22,20 @@ data class TransferData(
     }
 }
 
-suspend fun exportTransferData(subsItemIds: List<Long>): TransferData {
+suspend fun exportTransferData(subsItemIds: Collection<Long>): TransferData {
     return TransferData(
         subsItems = subsItemsFlow.value.filter { subsItemIds.contains(it.id) },
         subscriptions = subsIdToRawFlow.value.values.filter { it.id < 0 && subsItemIds.contains(it.id) },
-        subsConfigs = DbSet.subsConfigDao.querySubsItemConfig(subsItemIds),
+        subsConfigs = DbSet.subsConfigDao.querySubsItemConfig(subsItemIds.toList()),
-        categoryConfigs = DbSet.categoryConfigDao.querySubsItemConfig(subsItemIds),
+        categoryConfigs = DbSet.categoryConfigDao.querySubsItemConfig(subsItemIds.toList()),
     )
 }
 
 suspend fun importTransferData(transferData: TransferData): Boolean {
     // TODO transaction
-    val localIds = arrayOf(-1L, -2L)
     val maxOrder = (subsItemsFlow.value.maxOfOrNull { it.order } ?: -1) + 1
-    val subsItems = transferData.subsItems.filter { s -> s.id >= 0 || localIds.contains(s.id) }
+    val subsItems =
+        transferData.subsItems.filter { s -> s.id >= 0 || LOCAL_SUBS_IDS.contains(s.id) }
             .mapIndexed { i, s ->
                 s.copy(order = maxOrder + i)
             }
@@ -44,7 +45,7 @@ suspend fun importTransferData(transferData: TransferData): Boolean {
     DbSet.subsConfigDao.insertOrIgnore(*transferData.subsConfigs.toTypedArray())
     DbSet.categoryConfigDao.insertOrIgnore(*transferData.categoryConfigs.toTypedArray())
     transferData.subscriptions.forEach { subscription ->
-        if (localIds.contains(subscription.id)) {
+        if (LOCAL_SUBS_IDS.contains(subscription.id)) {
             updateSubscription(subscription)
         }
     }

app/src/main/kotlin/li/songe/gkd/debug/HttpService.kt

@@ -35,12 +35,14 @@ import li.songe.gkd.data.GkdAction
 import li.songe.gkd.data.RawSubscription
 import li.songe.gkd.data.RpcError
 import li.songe.gkd.data.SubsItem
+import li.songe.gkd.data.deleteSubscription
 import li.songe.gkd.db.DbSet
 import li.songe.gkd.debug.SnapshotExt.captureSnapshot
 import li.songe.gkd.notif.createNotif
 import li.songe.gkd.notif.httpChannel
 import li.songe.gkd.notif.httpNotif
 import li.songe.gkd.service.GkdAbService
+import li.songe.gkd.util.LOCAL_HTTP_SUBS_ID
 import li.songe.gkd.util.SERVER_SCRIPT_URL
 import li.songe.gkd.util.getIpAddressInLocalNetwork
 import li.songe.gkd.util.keepNullJson
@@ -58,7 +60,7 @@ class HttpService : CompositionService({
     val scope = CoroutineScope(Dispatchers.IO)
 
     val httpSubsItem = SubsItem(
-        id = -1L,
+        id = LOCAL_HTTP_SUBS_ID,
         order = -1,
         enableUpdate = false,
     )
@@ -101,7 +103,7 @@ class HttpService : CompositionService({
                         val subscription =
                             RawSubscription.parse(call.receiveText(), json5 = false)
                                 .copy(
-                                    id = -1,
+                                    id = LOCAL_HTTP_SUBS_ID,
                                     name = "内存订阅",
                                     version = 0,
                                     author = "@gkd-kit/inspect"
@@ -155,7 +157,7 @@ class HttpService : CompositionService({
         scope.launchTry(Dispatchers.IO) {
             server?.stop()
             if (storeFlow.value.autoClearMemorySubs) {
-                httpSubsItem.removeAssets()
+                deleteSubscription(LOCAL_HTTP_SUBS_ID)
             }
             delay(3000)
             scope.cancel()
@@ -194,11 +196,7 @@ fun clearHttpSubs() {
     appScope.launchTry(Dispatchers.IO) {
         delay(1000)
         if (storeFlow.value.autoClearMemorySubs) {
-            SubsItem(
+            deleteSubscription(LOCAL_HTTP_SUBS_ID)
-                id = -1L,
-                order = -1,
-                enableUpdate = false,
-            ).removeAssets()
         }
     }
 }

app/src/main/kotlin/li/songe/gkd/ui/AppConfigPage.kt

@@ -58,6 +58,7 @@ import li.songe.gkd.db.DbSet
 import li.songe.gkd.ui.destinations.AppItemPageDestination
 import li.songe.gkd.ui.destinations.GlobalRulePageDestination
 import li.songe.gkd.ui.style.itemPadding
+import li.songe.gkd.util.LOCAL_SUBS_ID
 import li.songe.gkd.util.LocalNavController
 import li.songe.gkd.util.ProfileTransitions
 import li.songe.gkd.util.RuleSortOption
@@ -150,7 +151,7 @@ fun AppConfigPage(appId: String) {
         floatingActionButton = {
             FloatingActionButton(
                 onClick = {
-                    navController.navigate(AppItemPageDestination(-2, appId))
+                    navController.navigate(AppItemPageDestination(LOCAL_SUBS_ID, appId))
                 },
                 content = {
                     Icon(

app/src/main/kotlin/li/songe/gkd/ui/component/SubsItemCard.kt

@@ -1,6 +1,8 @@
 package li.songe.gkd.ui.component
 
+import android.content.Context
 import androidx.compose.foundation.interaction.MutableInteractionSource
+import androidx.compose.foundation.interaction.collectIsDraggedAsState
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
@@ -8,6 +10,7 @@ import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.width
 import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
 import androidx.compose.material3.DropdownMenu
 import androidx.compose.material3.DropdownMenuItem
 import androidx.compose.material3.LocalContentColor
@@ -36,10 +39,12 @@ import kotlinx.serialization.encodeToString
 import li.songe.gkd.data.RawSubscription
 import li.songe.gkd.data.SubsItem
 import li.songe.gkd.data.TransferData
+import li.songe.gkd.data.deleteSubscription
 import li.songe.gkd.data.exportTransferData
 import li.songe.gkd.ui.destinations.CategoryPageDestination
 import li.songe.gkd.ui.destinations.GlobalRulePageDestination
 import li.songe.gkd.ui.destinations.SubsPageDestination
+import li.songe.gkd.util.LOCAL_SUBS_ID
 import li.songe.gkd.util.LocalNavController
 import li.songe.gkd.util.exportZipDir
 import li.songe.gkd.util.formatTimeAgo
@@ -63,7 +68,10 @@ fun SubsItemCard(
     subscription: RawSubscription?,
     index: Int,
     vm: ViewModel,
+    isSelectedMode: Boolean,
+    isSelected: Boolean,
     onCheckedChange: ((Boolean) -> Unit)? = null,
+    onSelectedChange: (() -> Unit)? = null,
 ) {
     val scope = rememberCoroutineScope()
     val subsLoadError by remember(subsItem.id) {
@@ -74,15 +82,28 @@ fun SubsItemCard(
     }.collectAsState()
     val subsRefreshing by subsRefreshingFlow.collectAsState()
     var expanded by remember { mutableStateOf(false) }
-    Card(
+    val dragged by interactionSource.collectIsDraggedAsState()
-        onClick = {
+    val onClick = {
-            if (!subsRefreshingFlow.value) {
+        if (!dragged) {
+            if (isSelectedMode) {
+                onSelectedChange?.invoke()
+            } else if (!subsRefreshingFlow.value) {
                 expanded = true
             }
-        },
+        }
+    }
+    Card(
+        onClick = onClick,
         modifier = modifier.padding(16.dp, 2.dp),
         shape = MaterialTheme.shapes.small,
         interactionSource = interactionSource,
+        colors = CardDefaults.cardColors(
+            containerColor = if (isSelected) {
+                MaterialTheme.colorScheme.primaryContainer
+            } else {
+                Color.Unspecified
+            }
+        ),
     ) {
         SubsMenuItem(
             expanded = expanded,
@@ -165,7 +186,8 @@ fun SubsItemCard(
             Spacer(modifier = Modifier.width(10.dp))
             Switch(
                 checked = subsItem.enable,
-                onCheckedChange = onCheckedChange,
+                enabled = !isSelectedMode,
+                onCheckedChange = if (isSelectedMode) null else onCheckedChange,
             )
         }
     }
@@ -222,28 +244,12 @@ private fun SubsMenuItem(
         }
         DropdownMenuItem(
             text = {
-                Text(text = "导出数据")
+                Text(text = "分享数据")
             },
             onClick = {
                 onExpandedChange(false)
                 vm.viewModelScope.launchTry(Dispatchers.IO) {
-                    val transferDataFile = exportZipDir.resolve("${TransferData.TYPE}.json")
+                    context.shareSubs(subItem.id)
-                    transferDataFile.writeText(
-                        json.encodeToString(
-                            exportTransferData(
-                                listOf(
-                                    subItem.id
-                                )
-                            )
-                        )
-                    )
-                    val file = exportZipDir.resolve("backup-${subItem.id}.zip")
-                    if (file.exists()) {
-                        file.delete()
-                    }
-                    ZipUtils.zipFiles(listOf(transferDataFile), file)
-                    transferDataFile.delete()
-                    context.shareFile(file, "分享数据文件")
                 }
             }
         )
@@ -270,7 +276,7 @@ private fun SubsMenuItem(
                 }
             )
         }
-        if (subItem.id != -2L) {
+        if (subItem.id != LOCAL_SUBS_ID) {
             DropdownMenuItem(
                 text = {
                     Text(text = "删除订阅", color = MaterialTheme.colorScheme.error)
@@ -283,10 +289,21 @@ private fun SubsMenuItem(
                             "是否删除订阅 ${subscription?.name ?: subItem.id} ?",
                         )
                         if (!result) return@launchTry
-                        subItem.removeAssets()
+                        deleteSubscription(subItem.id)
                     }
                 }
             )
         }
     }
 }
+
+suspend fun Context.shareSubs(vararg subsIds: Long) {
+    val transferDataFile = exportZipDir.resolve("${TransferData.TYPE}.json")
+    transferDataFile.writeText(
+        json.encodeToString(exportTransferData(subsIds.toList()))
+    )
+    val file = exportZipDir.resolve("backup-${System.currentTimeMillis()}.zip")
+    ZipUtils.zipFiles(listOf(transferDataFile), file)
+    transferDataFile.delete()
+    this.shareFile(file, "分享数据文件")
+}

app/src/main/kotlin/li/songe/gkd/ui/home/SubsManagePage.kt

@@ -2,6 +2,7 @@ package li.songe.gkd.ui.home
 
 import android.content.Intent
 import android.webkit.URLUtil
+import androidx.activity.compose.BackHandler
 import androidx.compose.foundation.interaction.MutableInteractionSource
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
@@ -18,7 +19,10 @@ import androidx.compose.foundation.lazy.rememberLazyListState
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.FormatListBulleted
 import androidx.compose.material.icons.filled.Add
+import androidx.compose.material.icons.filled.Close
 import androidx.compose.material.icons.filled.MoreVert
+import androidx.compose.material.icons.filled.Share
+import androidx.compose.material.icons.outlined.Delete
 import androidx.compose.material3.AlertDialog
 import androidx.compose.material3.DropdownMenu
 import androidx.compose.material3.DropdownMenuItem
@@ -44,6 +48,7 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.input.nestedscroll.nestedScroll
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
 import androidx.hilt.navigation.compose.hiltViewModel
@@ -54,10 +59,14 @@ import kotlinx.collections.immutable.toImmutableList
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import li.songe.gkd.data.TransferData
+import li.songe.gkd.data.Value
+import li.songe.gkd.data.deleteSubscription
 import li.songe.gkd.data.importTransferData
 import li.songe.gkd.db.DbSet
 import li.songe.gkd.ui.component.SubsItemCard
 import li.songe.gkd.ui.component.getDialogResult
+import li.songe.gkd.ui.component.shareSubs
+import li.songe.gkd.util.LOCAL_SUBS_ID
 import li.songe.gkd.util.LocalLauncher
 import li.songe.gkd.util.checkSubsUpdate
 import li.songe.gkd.util.isSafeUrl
@@ -79,6 +88,7 @@ val subsNav = BottomNavItem(
 @Composable
 fun useSubsManagePage(): ScaffoldExt {
     val launcher = LocalLauncher.current
+    val context = LocalContext.current
 
     val vm = hiltViewModel<HomeVm>()
     val subItems by subsItemsFlow.collectAsState()
@@ -96,6 +106,24 @@ fun useSubsManagePage(): ScaffoldExt {
 
     val refreshing by subsRefreshingFlow.collectAsState()
     val pullRefreshState = rememberPullRefreshState(refreshing, { checkSubsUpdate(true) })
+    var isSelectedMode by remember { mutableStateOf(false) }
+    var selectedIds by remember { mutableStateOf(emptySet<Long>()) }
+    val draggedFlag = remember { Value(false) }
+    LaunchedEffect(key1 = isSelectedMode) {
+        if (!isSelectedMode && selectedIds.isNotEmpty()) {
+            selectedIds = emptySet()
+        }
+    }
+    if (isSelectedMode) {
+        BackHandler {
+            isSelectedMode = false
+        }
+    }
+    LaunchedEffect(key1 = subItems.size) {
+        if (subItems.size <= 1) {
+            isSelectedMode = false
+        }
+    }
 
     LaunchedEffect(showAddLinkDialog) {
         if (!showAddLinkDialog) {
@@ -119,9 +147,7 @@ fun useSubsManagePage(): ScaffoldExt {
                 isError = link.isNotEmpty() && !URLUtil.isNetworkUrl(link),
             )
         }, onDismissRequest = { showAddLinkDialog = false }, confirmButton = {
-            TextButton(
+            TextButton(enabled = link.isNotBlank(), onClick = {
-                enabled = link.isNotBlank(),
-                onClick = {
                 if (!URLUtil.isNetworkUrl(link)) {
                     toast("非法链接")
                     return@TextButton
@@ -147,25 +173,66 @@ fun useSubsManagePage(): ScaffoldExt {
         })
     }
 
-    val scrollBehavior = TopAppBarDefaults.enterAlwaysScrollBehavior()
+    val scrollBehavior = TopAppBarDefaults.pinnedScrollBehavior()
     return ScaffoldExt(
         navItem = subsNav,
         modifier = Modifier.nestedScroll(scrollBehavior.nestedScrollConnection),
         topBar = {
-            TopAppBar(
+            TopAppBar(scrollBehavior = scrollBehavior, navigationIcon = {
-                scrollBehavior = scrollBehavior,
+                if (isSelectedMode) {
-                title = {
+                    IconButton(onClick = { isSelectedMode = false }) {
+                        Icon(
+                            imageVector = Icons.Default.Close,
+                            contentDescription = null,
+                        )
+                    }
+                }
+            }, title = {
+                if (isSelectedMode) {
+                    Text(
+                        text = if (selectedIds.isNotEmpty()) selectedIds.size.toString() else "",
+                    )
+                } else {
                     Text(
                         text = subsNav.label,
                     )
-                },
-                actions = {
-                    var expanded by remember { mutableStateOf(false) }
-                    IconButton(onClick = {
-                        if (subsRefreshingFlow.value) {
-                            toast("正在刷新订阅,请稍后操作")
-                            return@IconButton
                 }
+            }, actions = {
+                var expanded by remember { mutableStateOf(false) }
+                if (isSelectedMode) {
+                    val canDeleteIds = if (selectedIds.contains(LOCAL_SUBS_ID)) {
+                        selectedIds - LOCAL_SUBS_ID
+                    } else {
+                        selectedIds
+                    }
+                    if (canDeleteIds.isNotEmpty()) {
+                        IconButton(onClick = vm.viewModelScope.launchAsFn {
+                            val result = getDialogResult(
+                                "删除订阅",
+                                "是否删除所选 ${canDeleteIds.size} 个订阅?\n\n注: 不包含本地订阅",
+                            )
+                            if (!result) return@launchAsFn
+                            deleteSubscription(*canDeleteIds.toLongArray())
+                            selectedIds = selectedIds - canDeleteIds
+                            if (selectedIds.size == canDeleteIds.size) {
+                                isSelectedMode = false
+                            }
+                        }) {
+                            Icon(
+                                imageVector = Icons.Outlined.Delete,
+                                contentDescription = null,
+                            )
+                        }
+                    }
+                    IconButton(onClick = vm.viewModelScope.launchAsFn(Dispatchers.IO) {
+                        context.shareSubs(*selectedIds.toLongArray())
+                    }) {
+                        Icon(
+                            imageVector = Icons.Default.Share,
+                            contentDescription = null,
+                        )
+                    }
+                    IconButton(onClick = {
                         expanded = true
                     }) {
                         Icon(
@@ -173,14 +240,49 @@ fun useSubsManagePage(): ScaffoldExt {
                             contentDescription = null,
                         )
                     }
+                } else {
+                    IconButton(onClick = {
+                        if (subsRefreshingFlow.value) {
+                            toast("正在刷新订阅,请稍后操作")
+                        } else {
+                            expanded = true
+                        }
+                    }) {
+                        Icon(
+                            imageVector = Icons.Default.MoreVert,
+                            contentDescription = null,
+                        )
+                    }
+                }
                 Box(
-                        modifier = Modifier
+                    modifier = Modifier.wrapContentSize(Alignment.TopStart)
-                            .wrapContentSize(Alignment.TopStart)
-                    ) {
-                        DropdownMenu(
-                            expanded = expanded,
-                            onDismissRequest = { expanded = false }
                 ) {
+                    DropdownMenu(expanded = expanded, onDismissRequest = { expanded = false }) {
+                        if (isSelectedMode) {
+                            DropdownMenuItem(
+                                text = {
+                                    Text(text = "全选")
+                                },
+                                onClick = {
+                                    expanded = false
+                                    selectedIds = subItems.map { it.id }.toSet()
+                                }
+                            )
+                            DropdownMenuItem(
+                                text = {
+                                    Text(text = "反选")
+                                },
+                                onClick = {
+                                    expanded = false
+                                    val newSelectedIds =
+                                        subItems.map { it.id }.toSet() - selectedIds
+                                    if (newSelectedIds.isEmpty()) {
+                                        isSelectedMode = false
+                                    }
+                                    selectedIds = newSelectedIds
+                                }
+                            )
+                        } else {
                             DropdownMenuItem(
                                 leadingIcon = {
                                     Icon(
@@ -204,8 +306,7 @@ fun useSubsManagePage(): ScaffoldExt {
                                         return@launchAsFn
                                     }
                                     val string = readFileZipByteArray(
-                                        UriUtils.uri2Bytes(uri),
+                                        UriUtils.uri2Bytes(uri), "${TransferData.TYPE}.json"
-                                        "${TransferData.TYPE}.json"
                                     )
                                     if (string != null) {
                                         val transferData =
@@ -220,9 +321,10 @@ fun useSubsManagePage(): ScaffoldExt {
                         }
                     }
                 }
-            )
+            })
         },
         floatingActionButton = {
+            if (!isSelectedMode) {
                 FloatingActionButton(onClick = {
                     if (subsRefreshingFlow.value) {
                         toast("正在刷新订阅,请稍后操作")
@@ -235,6 +337,7 @@ fun useSubsManagePage(): ScaffoldExt {
                         contentDescription = "info",
                     )
                 }
+            }
         },
     ) { padding ->
         val lazyListState = rememberLazyListState()
@@ -248,6 +351,7 @@ fun useSubsManagePage(): ScaffoldExt {
                         }
                     }
                 }.toImmutableList()
+                draggedFlag.value = true
             }
         Box(
             modifier = Modifier
@@ -261,18 +365,29 @@ fun useSubsManagePage(): ScaffoldExt {
                 verticalArrangement = Arrangement.spacedBy(4.dp),
             ) {
                 itemsIndexed(orderSubItems, { _, subItem -> subItem.id }) { index, subItem ->
+                    val canDrag = !refreshing && orderSubItems.size > 1
                     ReorderableItem(
                         reorderableLazyColumnState,
                         key = subItem.id,
-                        enabled = !refreshing,
+                        enabled = canDrag,
                     ) {
                         val interactionSource = remember { MutableInteractionSource() }
                         SubsItemCard(
-                            modifier = Modifier
+                            modifier = Modifier.longPressDraggableHandle(
-                                .longPressDraggableHandle(
+                                enabled = canDrag,
-                                    enabled = !refreshing,
                                 interactionSource = interactionSource,
+                                onDragStarted = {
+                                    if (orderSubItems.size > 1 && !isSelectedMode) {
+                                        isSelectedMode = true
+                                        selectedIds = setOf(subItem.id)
+                                    }
+                                },
                                 onDragStopped = {
+                                    if (draggedFlag.value) {
+                                        draggedFlag.value = false
+                                        isSelectedMode = false
+                                        selectedIds = emptySet()
+                                    }
                                     val changeItems = orderSubItems.filter { newItem ->
                                         subItems.find { oldItem -> oldItem.id == newItem.id }?.order != newItem.order
                                     }
@@ -288,11 +403,26 @@ fun useSubsManagePage(): ScaffoldExt {
                             subscription = subsIdToRaw[subItem.id],
                             index = index + 1,
                             vm = vm,
+                            isSelectedMode = isSelectedMode,
+                            isSelected = selectedIds.contains(subItem.id),
                             onCheckedChange = { checked ->
                                 vm.viewModelScope.launch {
                                     DbSet.subsItemDao.updateEnable(subItem.id, checked)
                                 }
                             },
+                            onSelectedChange = {
+                                val newSelectedIds = if (selectedIds.contains(subItem.id)) {
+                                    selectedIds.toMutableSet().apply {
+                                        remove(subItem.id)
+                                    }
+                                } else {
+                                    selectedIds + subItem.id
+                                }
+                                selectedIds = newSelectedIds
+                                if (newSelectedIds.isEmpty()) {
+                                    isSelectedMode = false
+                                }
+                            },
                         )
                     }
                 }

app/src/main/kotlin/li/songe/gkd/util/Constants.kt

@@ -39,3 +39,7 @@ fun isSafeUrl(url: String): Boolean {
     if (!URLUtil.isHttpsUrl(url)) return false
     return safeRemoteBaseUrls.any { u -> url.startsWith(u) }
 }
+
+const val LOCAL_SUBS_ID = -2L
+const val LOCAL_HTTP_SUBS_ID = -1L
+val LOCAL_SUBS_IDS = arrayOf(LOCAL_SUBS_ID, LOCAL_HTTP_SUBS_ID)

app/src/main/kotlin/li/songe/gkd/util/SubsState.kt

@@ -102,17 +102,6 @@ fun updateSubscription(subscription: RawSubscription) {
     }
 }
 
-fun deleteSubscription(subsId: Long) {
-    val newMap = subsIdToRawFlow.value.toMutableMap()
-    newMap.remove(subsId)
-    subsIdToRawFlow.value = newMap.toImmutableMap()
-    subsFolder.resolve("$subsId.json").apply {
-        if (exists()) {
-            delete()
-        }
-    }
-}
-
 fun getGroupRawEnable(
     group: RawSubscription.RawGroupProps,
     subsConfig: SubsConfig?,