Set up eventbus system

src/main/java/app/controllers/EditorController.java

@@ -3,21 +3,38 @@ package app.controllers;
 import java.net.URL;
 import java.util.ResourceBundle;
 
+import com.google.common.eventbus.EventBus;
+
 import org.fxmisc.richtext.CodeArea;
 import org.fxmisc.richtext.LineNumberFactory;
+import org.fxmisc.richtext.model.TwoDimensional.Bias;
+import org.fxmisc.richtext.model.TwoDimensional.Position;
 
+import app.events.EditorChangedEvent;
 import app.model.Model;
-import javafx.event.ActionEvent;
 import javafx.fxml.FXML;
 import javafx.fxml.Initializable;
+import javafx.scene.input.KeyEvent;
 
-public class EditorController implements Initializable {
+public class EditorController implements Initializable, Controller {
 
   @FXML
   private CodeArea editor;
 
+  private EventBus eventBus;
   private Model model;
 
+  @Override
+  public void initialize(URL url, ResourceBundle resourceBundle) {
+    editor.setParagraphGraphicFactory(LineNumberFactory.get(editor));
+  }
+
+  @Override
+  public void setEventBus(EventBus eventBus) {
+    this.eventBus = eventBus;
+    this.eventBus.register(this);
+  }
+
   /**
    * Links the controller to the global model
    * @param model The model to be linked
@@ -26,21 +43,20 @@ public class EditorController implements Initializable {
     this.model = model;
   }
 
-  /**
-   * Initializes and customizes the properties of the javafx objects.
-   */
-  @Override
-  public void initialize(URL url, ResourceBundle resourceBundle) {
-    editor.setParagraphGraphicFactory(LineNumberFactory.get(editor));
-  }
-
   /**
    * Handles events from the editor, and reflects them in the model
    * @param event The object containing metadata of the event
    */
   @FXML
-  public void editorChanged(ActionEvent event) {
-    //
+  public void editorChanged(KeyEvent event) {
+    int offset = this.editor.getCaretPosition();
+    Position pos = this.editor.offsetToPosition(offset, Bias.Forward);
+    this.eventBus.post(
+      new EditorChangedEvent(
+        event.getCode(),
+        pos.getMajor() + 1,
+        pos.getMinor()
+      ));
   }
 
 }