[Editor] Enable binding between file name and code editor tab title

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

@@ -1,15 +1,14 @@
 package com.bartlomiejpluta.base.editor.code.model
 
+import javafx.beans.property.Property
 import tornadofx.getValue
 import tornadofx.setValue
 import tornadofx.toProperty
 import java.io.File
 
-class Code(file: File, type: CodeType, code: String) {
-   val fileProperty = file.toProperty()
+class Code(val fileProperty: Property<File>, val typeProperty: Property<CodeType>, code: String) {
    val file by fileProperty
 
-   val typeProperty = type.toProperty()
    val type by typeProperty
 
    val codeProperty = code.toProperty()

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

@@ -1,10 +1,14 @@
 package com.bartlomiejpluta.base.editor.code.model
 
+import tornadofx.getValue
 import tornadofx.observableListOf
+import tornadofx.setValue
+import tornadofx.toProperty
 import java.io.File
 
 class FileSystemNode(file: File, val parent: FileSystemNode? = null) {
-   var file = file
+   val fileProperty = file.toProperty()
+   var file by fileProperty
       private set
 
    val isFile = file.isFile

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

@@ -33,7 +33,7 @@ class CodeStructureView : View() {
          if (event.button == MouseButton.PRIMARY && event.clickCount == 2) {
             selectionModel?.selectedItem?.value
                .takeIf { it?.isFile ?: false }
-               ?.let { mainController.openScript(it.file) }
+               ?.let { mainController.openScript(it) }
 
             event.consume()
          }

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/viewmodel/CodeVM.kt

@@ -6,8 +6,11 @@ import tornadofx.getValue
 import tornadofx.setValue
 
 class CodeVM(code: Code) : ItemViewModel<Code>(code) {
+   val fileProperty = bind(Code::fileProperty)
+   val file by fileProperty
+
    val typeProperty = bind(Code::typeProperty)
-   var type by typeProperty
+   val type by typeProperty
 
    val codeProperty = bind(Code::codeProperty)
    var code by codeProperty

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

@@ -2,6 +2,7 @@ package com.bartlomiejpluta.base.editor.main.controller
 
 import com.bartlomiejpluta.base.editor.asset.model.Asset
 import com.bartlomiejpluta.base.editor.code.model.Code
+import com.bartlomiejpluta.base.editor.code.model.FileSystemNode
 import com.bartlomiejpluta.base.editor.code.viewmodel.CodeVM
 import com.bartlomiejpluta.base.editor.command.context.UndoableScope
 import com.bartlomiejpluta.base.editor.image.view.importing.ImportImageFragment
@@ -20,7 +21,6 @@ import com.bartlomiejpluta.base.editor.tileset.viewmodel.TileSetAssetDataVM
 import javafx.stage.FileChooser
 import org.springframework.stereotype.Component
 import tornadofx.*
-import java.io.File
 import kotlin.collections.set
 
 @Component
@@ -85,9 +85,9 @@ class MainController : Controller() {
       }
    }
 
-   fun openScript(file: File) {
-      if (openItems.count { (_, item) -> item is Code && item.file.absolutePath == file.absolutePath } == 0) {
-         val code = projectContext.loadScript(file)
+   fun openScript(fsNode: FileSystemNode) {
+      if (openItems.count { (_, item) -> item is Code && item.file.absolutePath == fsNode.file.absolutePath } == 0) {
+         val code = projectContext.loadScript(fsNode.fileProperty)
          val vm = CodeVM(code)
          val scope = UndoableScope()
          setInScope(vm, scope)

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

@@ -16,7 +16,9 @@ import com.bartlomiejpluta.base.editor.tileset.asset.TileSetAsset
 import com.bartlomiejpluta.base.editor.tileset.asset.TileSetAssetData
 import com.bartlomiejpluta.base.editor.tileset.model.TileSet
 import com.bartlomiejpluta.base.editor.util.uid.UID
+import javafx.beans.binding.Bindings.createObjectBinding
 import javafx.beans.property.ObjectProperty
+import javafx.beans.property.Property
 import javafx.beans.property.SimpleObjectProperty
 import javafx.scene.image.Image
 import org.springframework.beans.factory.annotation.Autowired
@@ -157,15 +159,20 @@ class DefaultProjectContext : ProjectContext {
       } ?: throw IllegalStateException("There is no open project in the context")
    }
 
-   override fun loadScript(file: File): Code {
-      val type = when (file.extension.toLowerCase()) {
-         "java" -> CodeType.JAVA
-         else -> throw IllegalStateException("Unsupported script type")
+   override fun loadScript(fileProperty: Property<File>): Code {
+      val typeProperty = SimpleObjectProperty<CodeType>().apply {
+         bind(createObjectBinding({
+            when (fileProperty.value.extension.toLowerCase()) {
+               "java" -> CodeType.JAVA
+               else -> throw IllegalStateException("Unsupported script type")
+            }
+         }))
       }
 
-      val code = file.readText()
 
-      return Code(file, type, code)
+      val code = fileProperty.value.readText()
+
+      return Code(fileProperty, typeProperty, code)
    }
 
    override fun saveScript(code: Code) {

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

@@ -9,6 +9,7 @@ import com.bartlomiejpluta.base.editor.project.model.Project
 import com.bartlomiejpluta.base.editor.tileset.asset.TileSetAssetData
 import com.bartlomiejpluta.base.editor.tileset.model.TileSet
 import javafx.beans.property.ObjectProperty
+import javafx.beans.property.Property
 import javafx.scene.image.Image
 import java.io.File
 
@@ -32,6 +33,6 @@ interface ProjectContext {
 
    fun deleteAsset(asset: Asset)
 
-   fun loadScript(file: File): Code
+   fun loadScript(fileProperty: Property<File>): Code
    fun saveScript(code: Code)
 }