added pattern and shape enums in GWT context

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/shared/racemap/MarkVectorGraphics.java

@@ -57,9 +57,9 @@ public class MarkVectorGraphics {
         switch(type) {
             case BUOY:
                 if(shape != null) {
-                    if("Cylinder".equalsIgnoreCase(shape) && pattern != null && "Checkered".equalsIgnoreCase(pattern)) {
+                    if(Shape.CYLINDER.name().equalsIgnoreCase(shape) && pattern != null && Pattern.CHECKERED.name().equalsIgnoreCase(pattern)) {
                         drawBuoyWithFinishFlag(ctx, isSelected, color);
-                    } else if ("Conical".equalsIgnoreCase(shape)) {
+                    } else if (Shape.CONICAL.name().equalsIgnoreCase(shape)) {
                         drawConicalBuoy(ctx, isSelected, color);
                     } else {
                         drawSimpleBuoy(ctx, isSelected, color);

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/shared/racemap/Pattern.java

@@ -0,0 +1,5 @@
+package com.sap.sailing.gwt.ui.shared.racemap;
+
+public enum Pattern {
+    CHECKERED
+}

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/ui/shared/racemap/Shape.java

@@ -0,0 +1,5 @@
+package com.sap.sailing.gwt.ui.shared.racemap;
+
+public enum Shape {
+    CYLINDER, CONICAL
+}