better empty check, to pass size change propagation (fix from 5.4 branch)

svn changeset:8050/svn branch:6.0

diff --git a/src/com/vaadin/terminal/gwt/client/ui/VForm.java b/src/com/vaadin/terminal/gwt/client/ui/VForm.java
index 7c1981d3c5ec857888389ae6f8128bb10a52e847..290ce2f371aa0c46350bcb765b273f1b1158546a 100644 (file)
--- a/src/com/vaadin/terminal/gwt/client/ui/VForm.java
+++ b/src/com/vaadin/terminal/gwt/client/ui/VForm.java
@@ -235,7 +235,8 @@ public class VForm extends ComplexPanel implements Container {
 \r
     public boolean requestLayout(Set<Paintable> child) {\r
 \r
-        if (height != null && width != null) {\r
+        if (height != null && !"".equals(height) && width != null\r
+                && !"".equals(width)) {\r
             /*\r
              * If the height and width has been specified the child components\r
              * cannot make the size of the layout change\r