[Editor] Enable saving Game Maps

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/map/controller/MapController.kt

@@ -0,0 +1,15 @@
+package com.bartlomiejpluta.base.editor.map.controller
+
+import com.bartlomiejpluta.base.editor.map.model.map.GameMap
+import com.bartlomiejpluta.base.editor.project.context.ProjectContext
+import org.springframework.stereotype.Component
+import tornadofx.Controller
+
+@Component
+class MapController : Controller() {
+   private val projectContext: ProjectContext by di()
+
+   fun saveMap(map: GameMap) {
+      projectContext.saveMap(map)
+   }
+}

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/map/view/editor/MapToolbarView.kt

@@ -3,6 +3,7 @@ package com.bartlomiejpluta.base.editor.map.view.editor
 import com.bartlomiejpluta.base.editor.command.context.UndoableScope
 import com.bartlomiejpluta.base.editor.command.service.UndoRedoService
 import com.bartlomiejpluta.base.editor.event.RedrawMapRequestEvent
+import com.bartlomiejpluta.base.editor.map.controller.MapController
 import com.bartlomiejpluta.base.editor.map.model.brush.BrushMode
 import com.bartlomiejpluta.base.editor.map.viewmodel.BrushVM
 import com.bartlomiejpluta.base.editor.map.viewmodel.EditorStateVM
@@ -13,6 +14,7 @@ import tornadofx.*
 
 class MapToolbarView : View() {
    private val undoRedoService: UndoRedoService by di()
+   private val mapController: MapController by di()
 
    override val scope = super.scope as UndoableScope
 
@@ -27,6 +29,13 @@ class MapToolbarView : View() {
    }
 
    override val root = toolbar {
+      button(graphic = FontIcon("fa-floppy-o")) {
+         shortcut("Ctrl+S")
+         action {
+            mapController.saveMap(mapVM.item)
+         }
+      }
+
       button(graphic = FontIcon("fa-undo")) {
          shortcut("Ctrl+Z")
          action {

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/project/context/DefaultProjectContext.kt

@@ -80,12 +80,21 @@ class DefaultProjectContext : ProjectContext {
    }
 
    override fun loadMap(uid: String) = project?.let {
-      val asset = it.maps.first { map -> map.uid == uid }
+      val asset = it.maps.firstOrNull { map -> map.uid == uid }
          ?: throw IllegalStateException("The map with uid [$uid] does not exist ")
 
       File(it.mapsDirectory, asset.source).inputStream().use { fis -> mapDeserializer.deserialize(fis) }
    } ?: throw IllegalStateException("There is no open project in the context")
 
+   override fun saveMap(map: GameMap) {
+      project?.let {
+         val asset = it.maps.firstOrNull { asset -> asset.uid == map.uid }
+            ?: throw IllegalStateException("The map with uid [${map.uid}] does not exist ")
+
+         File(it.mapsDirectory, asset.source).outputStream().use { fos -> mapSerializer.serialize(map, fos) }
+      }
+   }
+
    override fun importTileSet(builder: TileSetAssetBuilder) {
       project?.let {
          UID.next(it.tileSets.map(Asset::uid)).let { uid ->
@@ -101,7 +110,7 @@ class DefaultProjectContext : ProjectContext {
 
    override fun loadTileSet(uid: String) = tileSetCache.getOrPut(uid) {
       project?.let {
-         val asset = it.tileSets.first { tileSet -> tileSet.uid == uid }
+         val asset = it.tileSets.firstOrNull { tileSet -> tileSet.uid == uid }
             ?: throw IllegalStateException("The Tile Set with uid [$uid] does not exist ")
 
          val image = File(it.tileSetsDirectory, asset.source).inputStream().use { fis -> Image(fis) }

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/project/context/ProjectContext.kt

@@ -16,6 +16,7 @@ interface ProjectContext {
 
    fun importMap(name: String, map: GameMap)
    fun loadMap(uid: String): GameMap
+   fun saveMap(map: GameMap)
 
    fun importTileSet(builder: TileSetAssetBuilder)
    fun loadTileSet(uid: String): TileSet