[Editor] Enable creating and deleting Java files

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/component/CodeStructureItemTreeCell.kt

@@ -9,7 +9,8 @@ import tornadofx.enableWhen
 import tornadofx.item
 import tornadofx.toProperty
 
-class CodeStructureItemTreeCell : TextFieldTreeCell<FileSystemNode>() {
+class CodeStructureItemTreeCell(onCreate: (FileSystemNode) -> Unit, onDelete: (FileSystemNode) -> Unit) :
+   TextFieldTreeCell<FileSystemNode>() {
    private val isRoot = true.toProperty()
    private val isNotRoot = isRoot.not()
 
@@ -26,11 +27,19 @@ class CodeStructureItemTreeCell : TextFieldTreeCell<FileSystemNode>() {
 
       item("Delete") {
          enableWhen(isNotRoot)
-         action { item.delete() }
+
+         action {
+            item.delete()
+            onDelete(item)
+         }
       }
    }
 
    private val directoryMenu = ContextMenu().apply {
+      item("New Class...") {
+         action { onCreate(item) }
+      }
+
       item("Refresh") {
          action { item.refresh() }
       }
@@ -47,7 +56,11 @@ class CodeStructureItemTreeCell : TextFieldTreeCell<FileSystemNode>() {
 
       item("Delete") {
          enableWhen(isNotRoot)
-         action { item.delete() }
+
+         action {
+            item.delete()
+            onDelete(item)
+         }
       }
    }
 

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/model/FileSystemNode.kt

@@ -5,6 +5,7 @@ import tornadofx.observableListOf
 import tornadofx.setValue
 import tornadofx.toProperty
 import java.io.File
+import java.nio.file.Path
 
 class FileSystemNode(file: File, val parent: FileSystemNode? = null) {
    val fileProperty = file.toProperty()
@@ -15,6 +16,8 @@ class FileSystemNode(file: File, val parent: FileSystemNode? = null) {
    val isDirectory = file.isDirectory
 
    val children = observableListOf<FileSystemNode>()
+   val allChildren: List<FileSystemNode>
+      get() = children + children.flatMap { it.allChildren }
 
    init {
       refreshChildren()
@@ -48,4 +51,26 @@ class FileSystemNode(file: File, val parent: FileSystemNode? = null) {
    fun refresh() {
       refreshChildren()
    }
+
+   fun createNode(path: String): FileSystemNode {
+      val segments = Path.of(path.replace("..", "."))
+
+      return segments.foldIndexed(this) { index, parent, segment ->
+         val file = File(parent.file, segment.toString())
+
+         when {
+            index < segments.count() - 1 -> file.mkdirs()
+            else -> file.createNewFile()
+         }
+
+         when (val child = findChild(file)) {
+            null -> FileSystemNode(file, parent).also { parent.children += it }
+            else -> child
+         }
+      }
+   }
+
+   private fun findChild(file: File): FileSystemNode? {
+      return children.firstOrNull { it.file.name == file.name }
+   }
 }

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/view/CodeEditorView.kt

@@ -35,7 +35,7 @@ class CodeEditorView : View() {
 
             action {
                codeVM.item?.let {
-                  codeVM.commit()
+                  codeVM.commit(codeVM.codeProperty)
                   projectContext.saveScript(it)
                }
             }

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/view/CodeStructureView.kt

@@ -4,6 +4,7 @@ import com.bartlomiejpluta.base.editor.code.component.CodeStructureItemTreeCell
 import com.bartlomiejpluta.base.editor.code.model.FileSystemNode
 import com.bartlomiejpluta.base.editor.main.controller.MainController
 import com.bartlomiejpluta.base.editor.project.context.ProjectContext
+import javafx.scene.control.TextInputDialog
 import javafx.scene.control.TreeItem
 import javafx.scene.control.TreeView
 import javafx.scene.input.MouseButton
@@ -11,6 +12,7 @@ import tornadofx.View
 import tornadofx.expandAll
 import tornadofx.populate
 import tornadofx.treeview
+import java.io.File
 
 class CodeStructureView : View() {
    private val projectContext: ProjectContext by di()
@@ -27,7 +29,9 @@ class CodeStructureView : View() {
    }
 
    private val treeView: TreeView<FileSystemNode> = treeview {
-      setCellFactory { CodeStructureItemTreeCell() }
+      setCellFactory {
+         CodeStructureItemTreeCell(this@CodeStructureView::onCreate, mainController::closeScript)
+      }
 
       setOnMouseClicked { event ->
          if (event.button == MouseButton.PRIMARY && event.clickCount == 2) {
@@ -41,4 +45,20 @@ class CodeStructureView : View() {
    }
 
    override val root = treeView
+
+   private fun onCreate(fsNode: FileSystemNode) {
+      TextInputDialog().apply {
+         width = 300.0
+         contentText = "Class name"
+         title = "New class"
+      }
+         .showAndWait()
+         .map { it.replace(".", File.separator) + ".java" }
+         .map { fsNode.createNode(it) }
+         .ifPresent { mainController.openScript(it) }
+   }
+
+   private fun onDelete(fsNode: FileSystemNode) {
+      mainController.closeScript(fsNode)
+   }
 }

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/main/controller/MainController.kt

@@ -124,6 +124,18 @@ class MainController : Controller() {
       }
    }
 
+   fun closeScript(fsNode: FileSystemNode) {
+      openItems.entries.firstOrNull { (_, item) -> item is Code && item.file.absolutePath == fsNode.file.absolutePath }?.key?.let {
+         openItems.remove(it)
+      }
+
+      fsNode.allChildren.forEach { child ->
+         openItems.entries.firstOrNull { (_, item) -> item is Code && item.file.absolutePath == child.file.absolutePath }?.key?.let {
+            openItems.remove(it)
+         }
+      }
+   }
+
    fun closeAsset(asset: Asset) {
       when (asset) {
          is GameMapAsset -> openItems.entries.firstOrNull { (_, item) -> item is GameMap && item.uid == asset.uid }?.key?.let {