feat: Add draft of menu

Author: TEYSSANDIER Raphael

FloconDesktop/composeApp/src/commonMain/kotlin/io/github/openflocon/flocondesktop/features/network/Navigation.kt

@@ -3,13 +3,19 @@ package io.github.openflocon.flocondesktop.features.network
 import androidx.navigation3.runtime.EntryProviderBuilder
 import io.github.openflocon.flocondesktop.features.network.list.view.NetworkScreen
 import io.github.openflocon.navigation.FloconRoute
+import io.github.openflocon.navigation.scene.Menu
+import io.github.openflocon.navigation.scene.MenuScene
 import kotlinx.serialization.Serializable
 
 @Serializable
 data object NetworkRoute : FloconRoute
 
 fun EntryProviderBuilder<FloconRoute>.networkNavigation() {
-    entry<NetworkRoute> {
+    entry<NetworkRoute>(
+        metadata = mapOf(
+            MenuScene.MENU_KEY to Menu.HOME // TODO Change
+        )
+    ) {
         NetworkScreen()
     }
 }

FloconDesktop/navigation/src/commonMain/kotlin/io/github/openflocon/navigation/FloconNavigation.kt

@@ -8,14 +8,17 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.navigation3.runtime.EntryProviderBuilder
+import androidx.navigation3.runtime.NavEntry
 import androidx.navigation3.runtime.entryProvider
 import androidx.navigation3.runtime.rememberSavedStateNavEntryDecorator
+import androidx.navigation3.scene.SinglePaneSceneStrategy
 import androidx.navigation3.scene.rememberSceneSetupNavEntryDecorator
 import androidx.navigation3.ui.NavDisplay
 import androidx.navigationevent.NavigationEventDispatcher
 import androidx.navigationevent.NavigationEventDispatcherOwner
 import androidx.navigationevent.compose.LocalNavigationEventDispatcherOwner
 import androidx.navigationevent.compose.NavigationEventDispatcherOwner
+import io.github.openflocon.navigation.scene.MenuSceneStrategy
 
 @Composable
 fun FloconNavigation(
@@ -42,6 +45,8 @@ fun FloconNavigation(
                 rememberSceneSetupNavEntryDecorator(),
                 rememberSavedStateNavEntryDecorator()
             ),
+            sceneStrategy = MenuSceneStrategy()
+                .then(SinglePaneSceneStrategy()),
             onBack = { navigationState.back(it) },
             entryProvider = entryProvider {
                 entry<LoadingRoute> {

FloconDesktop/navigation/src/commonMain/kotlin/io/github/openflocon/navigation/scene/MenuScene.kt

@@ -0,0 +1,66 @@
+package io.github.openflocon.navigation.scene
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.layout.width
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.unit.dp
+import androidx.navigation3.runtime.NavEntry
+import androidx.navigation3.scene.Scene
+import androidx.navigation3.scene.SceneStrategy
+import io.github.openflocon.navigation.FloconRoute
+
+enum class Menu {
+    HOME,
+    SETTINGS,
+    ABOUT,
+}
+
+class MenuScene(
+    override val key: String,
+    override val previousEntries: List<NavEntry<FloconRoute>>,
+    private val entry: NavEntry<FloconRoute>
+) : Scene<FloconRoute> {
+    override val entries: List<NavEntry<FloconRoute>> = listOf(entry)
+    override val content: @Composable (() -> Unit) = {
+        Row {
+            Box(
+                modifier = Modifier
+                    .width(300.dp)
+                    .fillMaxHeight()
+                    .background(Color.Blue)
+            )
+            entry.Content()
+        }
+    }
+
+    companion object {
+        const val MENU_KEY = "menu"
+    }
+}
+
+class MenuSceneStrategy : SceneStrategy<FloconRoute> {
+
+    @Composable
+    override fun calculateScene(
+        entries: List<NavEntry<FloconRoute>>,
+        onBack: (Int) -> Unit
+    ): Scene<FloconRoute>? {
+        val lastEntry = entries.last()
+
+        return if (lastEntry.metadata.containsKey(MenuScene.MENU_KEY)) {
+            MenuScene(
+                key = MenuScene.MENU_KEY,
+                previousEntries = entries.dropLast(1),
+                entry = lastEntry
+            )
+        } else {
+            null
+        }
+    }
+
+}