Perform clean code of bundles/org.eclipse.e4.ui.widgets

Author: eclipse-platform-bot

bundles/org.eclipse.e4.ui.widgets/src/org/eclipse/e4/ui/widgets/ImageBasedFrame.java

@@ -33,7 +33,7 @@ public class ImageBasedFrame extends Canvas {
 
 	private static final String FRAME_IMAGE= "frameImage"; //$NON-NLS-1$
 
-	private Control framedControl;
+	private final Control framedControl;
 
 	private boolean draggable = true;
 	private boolean vertical = true;
@@ -117,8 +117,9 @@ private void setFramedControlLocation() {
 
 	public Rectangle getHandleRect() {
 		Rectangle handleRect = new Rectangle(0, 0, 0, 0);
-		if (!draggable || handle.isDisposed())
+		if (!draggable || handle.isDisposed()) {
 			return handleRect;
+		}
 
 		if (vertical) {
 			handleRect.x = w1;
@@ -136,8 +137,9 @@ public Rectangle getHandleRect() {
 
 	@Override
 	public Point computeSize(int wHint, int hHint) {
-		if (framedControl == null || framedControl.isDisposed())
+		if (framedControl == null || framedControl.isDisposed()) {
 			return new Point(0, 0);
+		}
 
 		if (vertical) {
 			int width = w1 + framedControl.getSize().x + w3;
@@ -156,8 +158,9 @@ protected void drawFrame(PaintEvent e) {
 			return;
 		}
 
-		if (framedControl == null || framedControl.isDisposed())
+		if (framedControl == null || framedControl.isDisposed()) {
 			return;
+		}
 
 		Point inner = framedControl.getSize();
 		int handleWidth = (handle != null && !vertical) ? handle.getBounds().width