unified not overlapping error messages (using the more elaborate one)

Author: Torsten-Mumme

src/main/java/net/itarray/automotion/internal/ResponsiveUIChunkValidatorBase.java

@@ -281,9 +281,7 @@ private void validateElementsAreNotOverlapped(List<UIElement> elements) {
             UIElement first = elements.get(firstIndex);
             for (int secondIndex = firstIndex+1; secondIndex < elements.size(); secondIndex++) {
                 UIElement second = elements.get(secondIndex);
-                if (!first.doesNotOverlap(second, context)) {
-                    context.add("Elements are overlapped");
-                    context.draw(first);
+                if (!first.validateNotOverlappingWithElement(second, context)) {
                     break;
                 }
             }

src/main/java/net/itarray/automotion/internal/UIElement.java

@@ -176,10 +176,6 @@ public Expression<Boolean> overlaps(UIElement other) {
         );
     }
 
-    public boolean doesNotOverlap(UIElement other, Context context) {
-        return notOverlaps(other).evaluateIn(context, DOWN);
-    }
-
     public Expression<Boolean> notOverlaps(UIElement other) {
         return Expression.or(
                 Expression.or(
@@ -366,13 +362,15 @@ public void validateOverlappingWithElement(UIElement element, Context context) {
         }
     }
 
-    public void validateNotOverlappingWithElement(UIElement element, Context context) {
+    public boolean validateNotOverlappingWithElement(UIElement element, Context context) {
         if (!notOverlaps(element).evaluateIn(context, DOWN)) {
             context.add(String.format("Element %s is overlapped with element %s but should not",
                                 getQuotedName(),
                                 element.getQuotedName()));
             context.draw(element);
+            return false;
         }
+        return true;
     }
 
     public void validateLeftOffset(Condition condition, UIElement page, Context context) {