[Editor] Improve opening code editor on compilation error location click

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/code/compiler/JaninoCompiler.kt

@@ -9,7 +9,7 @@ import tornadofx.FX
 import java.io.File
 
 @Component
-class JavaCompiler : ScriptCompiler {
+class JaninoCompiler : ScriptCompiler {
    private val compilerFactory = CompilerFactory()
 
    override fun compile(sourceDirectory: FileSystemNode) {
@@ -21,14 +21,15 @@ class JavaCompiler : ScriptCompiler {
       // syntax errors. The only way to catch it is just catching CompileExceptions
       try {
          compiler.compile(files.toTypedArray())
+         FX.eventbus.fire(UpdateCompilationLogEvent(UpdateCompilationLogEvent.Severity.INFO, "Compilation success"))
       } catch (e: CompileException) {
 
          // Because the Janino compiler assemblies the message with the location
          // in the LocatedException.getMessage() method, we just need to remove it
          // to have a plain message along with the plain location as separated objects
-         FX.eventbus.fire(
-            UpdateCompilationLogEvent(e.message?.substring(e.location.toString().length) ?: "", e.location)
-         )
+         val locationIndex = e.location?.toString()?.length ?: 0
+         val message = e.message?.substring(locationIndex) ?: ""
+         FX.eventbus.fire(UpdateCompilationLogEvent(UpdateCompilationLogEvent.Severity.ERROR, message, e.location))
       }
    }
 }

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

@@ -55,6 +55,12 @@ class CodeEditor(private val highlighter: ObservableValue<out SyntaxHighlighter>
    fun shutdownHighlighterThread() {
       highlightingSubscription.unsubscribe()
       executor.shutdownNow()
+      editor.dispose()
+   }
+
+   fun setCaretPosition(line: Int, column: Int) {
+      editor.moveTo(line - 1, column - 1)
+      editor.requestFollowCaret()
    }
 
    private fun initAutoIndents() {

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

@@ -0,0 +1,17 @@
+package com.bartlomiejpluta.base.editor.code.model
+
+import com.bartlomiejpluta.base.editor.command.context.UndoableScope
+import tornadofx.toProperty
+
+class CodeScope(line: Int, column: Int) : UndoableScope() {
+   private val requestCaretPositionProperty = (line to column).toProperty()
+
+   fun setCaretPosition(line: Int, column: Int) {
+      requestCaretPositionProperty.value = line to column
+   }
+
+   fun addCaretDisplacementRequestListener(listener: (line: Int, column: Int) -> Unit) {
+      requestCaretPositionProperty.addListener { _, _, position -> listener(position.first, position.second) }
+      listener(requestCaretPositionProperty.value.first, requestCaretPositionProperty.value.second)
+   }
+}

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

@@ -2,16 +2,16 @@ 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.CodeScope
 import com.bartlomiejpluta.base.editor.code.model.CodeType
 import com.bartlomiejpluta.base.editor.code.viewmodel.CodeVM
-import com.bartlomiejpluta.base.editor.command.context.UndoableScope
 import com.bartlomiejpluta.base.editor.project.context.ProjectContext
 import javafx.beans.binding.Bindings
 import org.kordamp.ikonli.javafx.FontIcon
 import tornadofx.*
 
 class CodeEditorView : View() {
-   override val scope = super.scope as UndoableScope
+   override val scope = super.scope as CodeScope
 
    private val projectContext: ProjectContext by di()
 
@@ -27,6 +27,12 @@ class CodeEditorView : View() {
 
    private val editor = CodeEditor(highlighter, codeVM.codeProperty)
 
+   init {
+      scope.addCaretDisplacementRequestListener { line, column ->
+         editor.setCaretPosition(line, column)
+      }
+   }
+
    fun shutdown() {
       editor.shutdownHighlighterThread()
    }

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

@@ -8,7 +8,8 @@ import javafx.scene.paint.Color
 import javafx.scene.text.Text
 import org.codehaus.commons.compiler.Location
 import org.fxmisc.richtext.StyledTextArea
-import tornadofx.View
+import org.kordamp.ikonli.javafx.FontIcon
+import tornadofx.*
 import java.io.File
 
 
@@ -16,7 +17,12 @@ class CompilerLogsView : View() {
    private val projectContext: ProjectContext by di()
    private val mainController: MainController by di()
 
-   private val editor = StyledTextArea(null, { _, _ -> }, LocationRef.NO_LINK, { text, style -> style.apply(text) })
+   private val editor = StyledTextArea(
+      null,
+      { _, _ -> },
+      LocationRef.NO_LINK,
+      { text, style -> style.apply(text) }
+   ).apply { isEditable = false }
 
    init {
       subscribe<UpdateCompilationLogEvent> { event ->
@@ -24,16 +30,24 @@ class CompilerLogsView : View() {
 
          val locationRef = LocationRef(event.location) { loc ->
             projectContext.project?.codeFSNode?.findByFile(File(loc.fileName))?.let {
-               mainController.openScript(it)
+               mainController.openScript(it, loc.lineNumber, 1)
             }
          }
 
-         editor.insert(editor.length, event.location.toString(), locationRef)
+         editor.insert(editor.length, event.location?.toString() ?: "", locationRef)
          editor.insert(editor.length, event.message, LocationRef.NO_LINK)
       }
    }
 
-   override val root = editor
+   override val root = borderpane {
+      left = hbox {
+         button(graphic = FontIcon("fa-trash")) {
+            action { editor.clear() }
+         }
+      }
+
+      center = editor
+   }
 
    class LocationRef(private val location: Location?, private val onClick: (Location) -> Unit = {}) {
       private constructor() : this(null)

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/command/context/UndoableScope.kt

@@ -2,4 +2,4 @@ package com.bartlomiejpluta.base.editor.command.context
 
 import tornadofx.Scope
 
-class UndoableScope : UndoableContext, Scope()
+open class UndoableScope : UndoableContext, Scope()

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/event/UpdateCompilationLogEvent.kt

@@ -4,5 +4,12 @@ import org.codehaus.commons.compiler.Location
 import tornadofx.EventBus
 import tornadofx.FXEvent
 
-data class UpdateCompilationLogEvent(val message: String, val location: Location) :
-   FXEvent(EventBus.RunOn.ApplicationThread)
+data class UpdateCompilationLogEvent(val severity: Severity, val message: String, val location: Location? = null) :
+   FXEvent(EventBus.RunOn.ApplicationThread) {
+
+   enum class Severity {
+      INFO,
+      WARNING,
+      ERROR
+   }
+}

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.CodeScope
 import com.bartlomiejpluta.base.editor.code.model.FileSystemNode
 import com.bartlomiejpluta.base.editor.code.viewmodel.CodeVM
 import com.bartlomiejpluta.base.editor.command.context.UndoableScope
@@ -85,11 +86,11 @@ class MainController : Controller() {
       }
    }
 
-   fun openScript(fsNode: FileSystemNode) {
+   fun openScript(fsNode: FileSystemNode, line: Int = 1, column: Int = 1) {
       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()
+         val scope = CodeScope(line, column)
          setInScope(vm, scope)
 
          openItems[scope] = code