[Editor] Create working scaffolding for compilation logs pane

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

@@ -16,10 +16,19 @@ class JavaCompiler : ScriptCompiler {
       val files = sourceDirectory.allChildren.map(FileSystemNode::file).filter(File::isFile)
       val compiler = compilerFactory.newCompiler()
 
+      // FIXME:
+      // For some reason the compiler's error handler does not want to catch
+      // syntax errors. The only way to catch it is just catching CompileExceptions
       try {
          compiler.compile(files.toTypedArray())
       } catch (e: CompileException) {
-         FX.eventbus.fire(UpdateCompilationLogEvent(e.message ?: "", e.location))
+
+         // 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)
+         )
       }
    }
 }

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

@@ -1,22 +1,48 @@
 package com.bartlomiejpluta.base.editor.code.view
 
 import com.bartlomiejpluta.base.editor.event.UpdateCompilationLogEvent
-import org.fxmisc.richtext.CodeArea
+import com.bartlomiejpluta.base.editor.main.controller.MainController
+import javafx.scene.Cursor
+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 tornadofx.enableWhen
-import tornadofx.toProperty
+
 
 class CompilerLogsView : View() {
-   private val editor = CodeArea().apply {
-      enableWhen(false.toProperty())
-   }
+   private val mainController: MainController by di()
+   private val editor = StyledTextArea(null, { _, _ -> }, LocationRef.NO_LINK, { text, style -> style.apply(text) })
 
    init {
       subscribe<UpdateCompilationLogEvent> {
          editor.clear()
-         editor.replaceText(0, 0, it.message)
+
+         val locationRef = LocationRef(it.location) { loc ->
+            // TODO(mainController.openScript(getFileSystemNodeFromSomewhere(loc)))
+         }
+
+         editor.insert(editor.length, it.location.toString(), locationRef)
+         editor.insert(editor.length, it.message, LocationRef.NO_LINK)
       }
    }
 
    override val root = editor
+
+   class LocationRef(private val location: Location?, private val onClick: (Location) -> Unit = {}) {
+      private constructor() : this(null)
+
+      fun apply(text: Text) = location?.let { loc ->
+         text.cursor = Cursor.HAND
+         text.fill = Color.BLUE
+         text.isUnderline = true
+         text.setOnMouseClicked {
+            onClick(loc)
+         }
+      }
+
+      companion object {
+         val NO_LINK = LocationRef()
+      }
+   }
 }