Добавлена ViewModelBase

presentation/src/main/java/com/github/nullptroma/wallenc/presentation/WallencUi.kt

@@ -18,10 +18,10 @@ import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
-import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
+import androidx.hilt.navigation.compose.hiltViewModel
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
 import androidx.navigation.compose.currentBackStackEntryAsState
@@ -30,10 +30,10 @@ import com.github.nullptroma.wallenc.presentation.navigation.NavBarItemData
 import com.github.nullptroma.wallenc.presentation.navigation.rememberNavigationState
 import com.github.nullptroma.wallenc.presentation.screens.main.MainRoute
 import com.github.nullptroma.wallenc.presentation.screens.main.MainScreen
-import com.github.nullptroma.wallenc.presentation.screens.main.screens.local.vault.LocalVaultRoute
-import com.github.nullptroma.wallenc.presentation.screens.main.screens.remotes.RemoteVaultsRoute
+import com.github.nullptroma.wallenc.presentation.screens.main.MainViewModel
 import com.github.nullptroma.wallenc.presentation.screens.settings.SettingsRoute
 import com.github.nullptroma.wallenc.presentation.screens.settings.SettingsScreen
+import com.github.nullptroma.wallenc.presentation.screens.settings.SettingsViewModel
 import com.github.nullptroma.wallenc.presentation.theme.WallencTheme
 
 
@@ -48,23 +48,14 @@ fun WallencUi() {
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-fun WallencNavRoot() {
+fun WallencNavRoot(viewModel: WallencViewModel = hiltViewModel()) {
     val navState = rememberNavigationState()
-
     val mainNavState = rememberNavigationState()
-    val mainScreenRoutes = rememberSaveable {
-        mutableMapOf(
-            LocalVaultRoute::class.qualifiedName!! to LocalVaultRoute(),
-            RemoteVaultsRoute::class.qualifiedName!! to RemoteVaultsRoute()
-        )
-    }
 
-    val topLevelRoutes = rememberSaveable {
-        mutableMapOf(
-            MainRoute::class.qualifiedName!! to MainRoute(),
-            SettingsRoute::class.qualifiedName!! to SettingsRoute("Base settings")
-        )
-    }
+    val mainViewModel: MainViewModel = hiltViewModel()
+    val settingsViewModel: SettingsViewModel = hiltViewModel()
+
+    val topLevelRoutes = viewModel.routes
 
     val topLevelNavBarItems = remember {
         mapOf(
@@ -118,7 +109,7 @@ fun WallencNavRoot() {
                 MainScreen(
                     modifier = Modifier.padding(innerPaddings),
                     navState = mainNavState,
-                    routes = mainScreenRoutes
+                    viewModel = mainViewModel
                 )
             }
             composable<SettingsRoute>(enterTransition = {
@@ -126,8 +117,7 @@ fun WallencNavRoot() {
             }, exitTransition = {
                 fadeOut(tween(200))
             }) {
-                val route: SettingsRoute = it.toRoute()
-                SettingsScreen(Modifier.padding(innerPaddings), route.text)
+                SettingsScreen(Modifier.padding(innerPaddings), settingsViewModel)
             }
         }
     }

presentation/src/main/java/com/github/nullptroma/wallenc/presentation/WallencViewModel.kt

@@ -0,0 +1,33 @@
+package com.github.nullptroma.wallenc.presentation
+
+import androidx.compose.runtime.mutableStateOf
+import androidx.lifecycle.SavedStateHandle
+import androidx.lifecycle.viewmodel.compose.SavedStateHandleSaveableApi
+import androidx.lifecycle.viewmodel.compose.saveable
+import com.github.nullptroma.wallenc.presentation.screens.ScreenRoute
+import com.github.nullptroma.wallenc.presentation.screens.main.MainRoute
+import com.github.nullptroma.wallenc.presentation.screens.settings.SettingsRoute
+import com.github.nullptroma.wallenc.presentation.viewmodel.ViewModelBase
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlin.collections.set
+
+@HiltViewModel
+class WallencViewModel @javax.inject.Inject constructor(savedStateHandle: SavedStateHandle) :
+    ViewModelBase<Unit>(Unit) {
+    @OptIn(SavedStateHandleSaveableApi::class)
+    var routes by savedStateHandle.saveable {
+        mutableStateOf(
+            mapOf<String, ScreenRoute>(
+                MainRoute::class.qualifiedName!! to MainRoute(),
+                SettingsRoute::class.qualifiedName!! to SettingsRoute()
+            )
+        )
+    }
+        private set
+
+    fun updateRoute(qualifiedName: String, route: ScreenRoute) {
+        routes = routes.toMutableMap().apply {
+            this[qualifiedName] = route
+        }
+    }
+}

presentation/src/main/java/com/github/nullptroma/wallenc/presentation/screens/main/MainScreen.kt

@@ -16,7 +16,6 @@ import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.remember
-import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
@@ -24,14 +23,17 @@ import androidx.hilt.navigation.compose.hiltViewModel
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
 import androidx.navigation.compose.currentBackStackEntryAsState
+import androidx.navigation.toRoute
 import com.github.nullptroma.wallenc.presentation.R
 import com.github.nullptroma.wallenc.presentation.navigation.NavBarItemData
 import com.github.nullptroma.wallenc.presentation.navigation.NavigationState
 import com.github.nullptroma.wallenc.presentation.navigation.rememberNavigationState
 import com.github.nullptroma.wallenc.presentation.screens.main.screens.local.vault.LocalVaultRoute
 import com.github.nullptroma.wallenc.presentation.screens.main.screens.local.vault.LocalVaultScreen
+import com.github.nullptroma.wallenc.presentation.screens.main.screens.local.vault.LocalVaultViewModel
 import com.github.nullptroma.wallenc.presentation.screens.main.screens.remotes.RemoteVaultsRoute
 import com.github.nullptroma.wallenc.presentation.screens.main.screens.remotes.RemoteVaultsScreen
+import com.github.nullptroma.wallenc.presentation.screens.main.screens.remotes.RemoteVaultsViewModel
 
 
 @OptIn(ExperimentalMaterial3Api::class)
@@ -40,13 +42,11 @@ fun MainScreen(
     modifier: Modifier = Modifier,
     viewModel: MainViewModel = hiltViewModel(),
     navState: NavigationState = rememberNavigationState(),
-    routes: MutableMap<String, MainRoute> = rememberSaveable {
-        mutableMapOf(
-            LocalVaultRoute::class.qualifiedName!! to LocalVaultRoute(),
-            RemoteVaultsRoute::class.qualifiedName!! to RemoteVaultsRoute()
-        )
-    }
 ) {
+    val routes = viewModel.routes
+    val localVaultViewModel: LocalVaultViewModel = hiltViewModel()
+    val remoteVaultsViewModel: RemoteVaultsViewModel = hiltViewModel()
+
     val topLevelNavBarItems = remember {
         mapOf(
             LocalVaultRoute::class.qualifiedName!! to NavBarItemData(
@@ -94,14 +94,21 @@ fun MainScreen(
             }, exitTransition = {
                 fadeOut(tween(200))
             }) {
-                LocalVaultScreen(modifier = Modifier.padding(innerPaddings))
+                val route: LocalVaultRoute = it.toRoute()
+                LocalVaultScreen(
+                    modifier = Modifier.padding(innerPaddings),
+                    viewModel = localVaultViewModel
+                )
             }
             composable<RemoteVaultsRoute>(enterTransition = {
                 fadeIn(tween(200))
             }, exitTransition = {
                 fadeOut(tween(200))
             }) {
-                RemoteVaultsScreen(modifier = Modifier.padding(innerPaddings))
+                RemoteVaultsScreen(
+                    modifier = Modifier.padding(innerPaddings),
+                    viewModel = remoteVaultsViewModel
+                )
             }
         }
     }

presentation/src/main/java/com/github/nullptroma/wallenc/presentation/screens/main/MainViewModel.kt

@@ -1,9 +1,33 @@
 package com.github.nullptroma.wallenc.presentation.screens.main
 
-import androidx.lifecycle.ViewModel
+import androidx.compose.runtime.mutableStateOf
+import androidx.lifecycle.SavedStateHandle
+import androidx.lifecycle.viewmodel.compose.SavedStateHandleSaveableApi
+import androidx.lifecycle.viewmodel.compose.saveable
+import com.github.nullptroma.wallenc.presentation.screens.ScreenRoute
+import com.github.nullptroma.wallenc.presentation.screens.main.screens.local.vault.LocalVaultRoute
+import com.github.nullptroma.wallenc.presentation.screens.main.screens.remotes.RemoteVaultsRoute
+import com.github.nullptroma.wallenc.presentation.viewmodel.ViewModelBase
 import dagger.hilt.android.lifecycle.HiltViewModel
 
 @HiltViewModel
-class MainViewModel @javax.inject.Inject constructor(): ViewModel() {
+class MainViewModel @javax.inject.Inject constructor(savedStateHandle: SavedStateHandle) :
+    ViewModelBase<MainScreenState>(MainScreenState("default string")) {
 
+    @OptIn(SavedStateHandleSaveableApi::class)
+    var routes by savedStateHandle.saveable {
+        mutableStateOf(
+            mapOf<String, ScreenRoute>(
+                LocalVaultRoute::class.qualifiedName!! to LocalVaultRoute(),
+                RemoteVaultsRoute::class.qualifiedName!! to RemoteVaultsRoute()
+            )
+        )
+    }
+        private set
+
+    fun updateRoute(qualifiedName: String, route: ScreenRoute) {
+        routes = routes.toMutableMap().apply {
+            this[qualifiedName] = route
+        }
+    }
 }

presentation/src/main/java/com/github/nullptroma/wallenc/presentation/screens/main/screens/local/vault/LocalVaultScreen.kt

@@ -3,13 +3,17 @@ package com.github.nullptroma.wallenc.presentation.screens.main.screens.local.va
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
 import androidx.compose.ui.Modifier
 import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
 
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
 fun LocalVaultScreen(modifier: Modifier = Modifier,
                viewModel: LocalVaultViewModel = hiltViewModel()) {
-    Text("Local vault screen")
+
+    val uiState by viewModel.uiState.collectAsStateWithLifecycle()
+    Text(uiState.value)
 }

presentation/src/main/java/com/github/nullptroma/wallenc/presentation/screens/main/screens/local/vault/LocalVaultViewModel.kt

@@ -1,10 +1,11 @@
 package com.github.nullptroma.wallenc.presentation.screens.main.screens.local.vault
 
-import androidx.lifecycle.ViewModel
+import com.github.nullptroma.wallenc.presentation.viewmodel.ViewModelBase
 import dagger.hilt.android.lifecycle.HiltViewModel
 import javax.inject.Inject
 
 @HiltViewModel
-class LocalVaultViewModel @Inject constructor(): ViewModel() {
+class LocalVaultViewModel @Inject constructor()
+    : ViewModelBase<LocalVaultScreenState>(LocalVaultScreenState("default")) {
 
 }

presentation/src/main/java/com/github/nullptroma/wallenc/presentation/screens/main/screens/remotes/RemoteVaultsViewModel.kt

@@ -1,10 +1,11 @@
 package com.github.nullptroma.wallenc.presentation.screens.main.screens.remotes
 
-import androidx.lifecycle.ViewModel
+import com.github.nullptroma.wallenc.presentation.viewmodel.ViewModelBase
 import dagger.hilt.android.lifecycle.HiltViewModel
 import javax.inject.Inject
 
 @HiltViewModel
-class RemoteVaultsViewModel @Inject constructor(): ViewModel() {
+class RemoteVaultsViewModel @Inject constructor() :
+    ViewModelBase<RemoteVaultsScreenState>(RemoteVaultsScreenState("")) {
 
 }

presentation/src/main/java/com/github/nullptroma/wallenc/presentation/screens/settings/SettingsRoute.kt

@@ -6,4 +6,4 @@ import kotlinx.serialization.Serializable
 
 @Serializable
 @Parcelize
-class SettingsRoute(val text: String): ScreenRoute()
+class SettingsRoute: ScreenRoute()

presentation/src/main/java/com/github/nullptroma/wallenc/presentation/screens/settings/SettingsScreen.kt

@@ -11,9 +11,9 @@ import androidx.compose.ui.res.stringResource
 import com.github.nullptroma.wallenc.presentation.R
 
 @Composable
-fun SettingsScreen(modifier: Modifier, text: String) {
+fun SettingsScreen(modifier: Modifier, viewModel: SettingsViewModel) {
     Column (modifier = modifier.fillMaxSize(), horizontalAlignment = Alignment.CenterHorizontally, verticalArrangement = Arrangement.Center) {
         Text(text = stringResource(id = R.string.settings_title))
-        Text(text = text)
+//        Text(text = viewModel)
     }
 }

presentation/src/main/java/com/github/nullptroma/wallenc/presentation/screens/settings/SettingsScreenState.kt

@@ -0,0 +1,3 @@
+package com.github.nullptroma.wallenc.presentation.screens.settings
+
+data class SettingsScreenState(val value: String)

presentation/src/main/java/com/github/nullptroma/wallenc/presentation/screens/settings/SettingsViewModel.kt

@@ -0,0 +1,9 @@
+package com.github.nullptroma.wallenc.presentation.screens.settings
+
+import com.github.nullptroma.wallenc.presentation.viewmodel.ViewModelBase
+import dagger.hilt.android.lifecycle.HiltViewModel
+
+@HiltViewModel
+class SettingsViewModel @javax.inject.Inject constructor() :
+    ViewModelBase<SettingsScreenState>(SettingsScreenState("default string")) {
+}

presentation/src/main/java/com/github/nullptroma/wallenc/presentation/viewmodel/ViewModelBase.kt

@@ -0,0 +1,14 @@
+package com.github.nullptroma.wallenc.presentation.viewmodel
+
+
+import androidx.lifecycle.ViewModel
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+
+abstract class ViewModelBase<TState>(initState: TState) : ViewModel() {
+    protected val mutableUiState = MutableStateFlow<TState>(initState)
+
+    val uiState: StateFlow<TState>
+        get() = mutableUiState.asStateFlow()
+}