[Editor] Generalize Code model with CodeType enum

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

@@ -1,8 +1,8 @@
 package com.bartlomiejpluta.base.editor.code.component
 
-import com.bartlomiejpluta.base.editor.code.highlighting.JavaSyntaxHighlighter
-import com.bartlomiejpluta.base.editor.code.stylesheet.HighlightingStylesheet
+import com.bartlomiejpluta.base.editor.code.highlighting.SyntaxHighlighter
 import javafx.beans.property.Property
+import javafx.beans.value.ObservableValue
 import javafx.concurrent.Task
 import javafx.scene.layout.StackPane
 import org.fxmisc.flowless.VirtualizedScrollPane
@@ -14,17 +14,17 @@ import java.util.*
 import java.util.concurrent.Executors
 
 
-class CodeEditor(val codeProperty: Property<String>) : StackPane() {
+class CodeEditor(private val highlighter: ObservableValue<out SyntaxHighlighter>, codeProperty: Property<String>) :
+   StackPane() {
    private val editor = CodeArea()
    private val executor = Executors.newSingleThreadExecutor()
    private val cleanupWhenDone = editor.multiPlainChanges()
 
-   private val highlighting = JavaSyntaxHighlighter()
-
    init {
-      editor.paragraphGraphicFactory = LineNumberFactory.get(editor)
       editor.replaceText(0, 0, codeProperty.value)
-      applyHighlighting(highlighting.highlight(editor.text))
+      codeProperty.bind(editor.textProperty())
+      editor.paragraphGraphicFactory = LineNumberFactory.get(editor)
+      applyHighlighting(highlighter.value.highlight(editor.text))
 
       cleanupWhenDone
          .successionEnds(Duration.ofMillis(500))
@@ -46,7 +46,7 @@ class CodeEditor(val codeProperty: Property<String>) : StackPane() {
       val code = editor.text
 
       val task = object : Task<StyleSpans<Collection<String>>>() {
-         override fun call() = highlighting.highlight(code)
+         override fun call() = highlighter.value.highlight(code)
       }
 
       executor.execute(task)
@@ -57,5 +57,5 @@ class CodeEditor(val codeProperty: Property<String>) : StackPane() {
       editor.setStyleSpans(0, highlighting)
    }
 
-   override fun getUserAgentStylesheet() = HighlightingStylesheet().base64URL.toExternalForm()
+   override fun getUserAgentStylesheet(): String = highlighter.value.stylesheet.base64URL.toExternalForm()
 }

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/highlighting/JavaSyntaxHighlighter.kt

@@ -1,8 +1,11 @@
 package com.bartlomiejpluta.base.editor.code.highlighting
 
+import com.bartlomiejpluta.base.editor.code.stylesheet.JavaSyntaxHighlightingStylesheet
 import org.fxmisc.richtext.model.StyleSpans
 import org.fxmisc.richtext.model.StyleSpansBuilder
+import org.springframework.stereotype.Component
 
+@Component
 class JavaSyntaxHighlighter : SyntaxHighlighter {
    override fun highlight(code: String): StyleSpans<Collection<String>> = StyleSpansBuilder<Collection<String>>().let {
       val lastKeywordEnd = PATTERN.findAll(code).fold(0) { lastKeywordEnd, result ->
@@ -28,6 +31,8 @@ class JavaSyntaxHighlighter : SyntaxHighlighter {
       it.create()
    }
 
+   override val stylesheet = JavaSyntaxHighlightingStylesheet()
+
    companion object {
       private val KEYWORDS = arrayOf(
          "abstract", "assert", "boolean", "break", "byte",

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/highlighting/SyntaxHighlighter.kt

@@ -1,7 +1,9 @@
 package com.bartlomiejpluta.base.editor.code.highlighting
 
 import org.fxmisc.richtext.model.StyleSpans
+import tornadofx.Stylesheet
 
 interface SyntaxHighlighter {
    fun highlight(code: String): StyleSpans<Collection<String>>
+   val stylesheet: Stylesheet
 }

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

@@ -4,7 +4,10 @@ import tornadofx.getValue
 import tornadofx.setValue
 import tornadofx.toProperty
 
-class Code(code: String) {
+class Code(codeType: CodeType, code: String) {
+   val typeProperty = codeType.toProperty()
+   var type by typeProperty
+
    val codeProperty = code.toProperty()
    var code by codeProperty
 }

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

@@ -0,0 +1,5 @@
+package com.bartlomiejpluta.base.editor.code.model
+
+enum class CodeType {
+   JAVA
+}

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/stylesheet/JavaSyntaxHighlightingStylesheet.kt

@@ -3,7 +3,7 @@ package com.bartlomiejpluta.base.editor.code.stylesheet
 import javafx.scene.text.FontWeight
 import tornadofx.*
 
-class HighlightingStylesheet : Stylesheet() {
+class JavaSyntaxHighlightingStylesheet : Stylesheet() {
    companion object {
       val keyword by cssclass()
       val semicolon by cssclass()

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

@@ -1,13 +1,24 @@
 package com.bartlomiejpluta.base.editor.code.view
 
 import com.bartlomiejpluta.base.editor.code.component.CodeEditor
+import com.bartlomiejpluta.base.editor.code.highlighting.JavaSyntaxHighlighter
+import com.bartlomiejpluta.base.editor.code.model.CodeType
 import com.bartlomiejpluta.base.editor.code.viewmodel.CodeVM
+import javafx.beans.binding.Bindings
 import tornadofx.View
 import tornadofx.borderpane
 
 class CodeEditorView : View() {
+   private val javaSyntaxHighlighter: JavaSyntaxHighlighter by di()
    private val codeVM = find<CodeVM>()
-   private val editor = CodeEditor(codeVM.codeProperty)
+
+   private val highlighter = Bindings.createObjectBinding({
+      when (codeVM.type!!) {
+         CodeType.JAVA -> javaSyntaxHighlighter
+      }
+   }, codeVM.typeProperty)
+
+   private val editor = CodeEditor(highlighter, codeVM.codeProperty)
 
    override val root = borderpane {
       center = editor

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

@@ -6,6 +6,9 @@ import tornadofx.getValue
 import tornadofx.setValue
 
 class CodeVM(code: Code) : ItemViewModel<Code>(code) {
+   val typeProperty = bind(Code::typeProperty)
+   var type by typeProperty
+
    val codeProperty = bind(Code::codeProperty)
    var code by codeProperty
 }