Merge pull request #347 from Vennik/enhancement/center-graph

Center the graph after load.

Author: jimhommes

geex-core/src/main/java/nl/tudelft/context/controller/AbstractGraphController.java

@@ -53,6 +53,11 @@ public abstract class AbstractGraphController extends ViewController<AnchorPane>
     @FXML
     ScrollPane scroll;
 
+    /**
+     * Center for the scrollbar.
+     */
+    private static final double CENTER = .5;
+
     /**
      * Sources that are displayed in the graph.
      */
@@ -133,6 +138,7 @@ protected void showGraph(final DrawableGraph drawableGraph) {
         ));
 
         Platform.runLater(this::updatePosition);
+        Platform.runLater(() -> scroll.setVvalue(CENTER));
 
     }
 

geex-core/src/main/java/nl/tudelft/context/controller/ViewController.java

@@ -2,9 +2,7 @@
 
 import javafx.beans.property.BooleanProperty;
 import javafx.beans.property.SimpleBooleanProperty;
-import javafx.fxml.FXML;
 import javafx.scene.Parent;
-import javafx.scene.layout.VBox;
 
 /**
  * @param <T> fxml root type