removed call back when click on Add More VREs button

git-svn-id: http://svn.research-infrastructures.eu/public/d4science/gcube/trunk/portlets/user/my-vres@132196 82a268e6-3cf1-43bd-a215-b396298e98cf

src/main/java/org/gcube/portlet/user/my_vres/client/VresPanel.java

@@ -70,6 +70,7 @@ public class VresPanel extends Composite {
 	}
 
 	private void showIconView() {
+		boolean hasVREs = false;
 		mainPanel.clear();		
 		mainPanel.setHorizontalAlignment(HasAlignment.ALIGN_LEFT);
 		for (String cat : cachedVREs.keySet()) {
@@ -84,6 +85,8 @@ public class VresPanel extends Composite {
 				flowPanel.setWidth("100%");
 				flowPanel.setStyleName("flowPanel");
 				for (VRE vre: cachedVREs.get(cat)) {
+					if (vre.getName().compareTo("")!= 0)
+						hasVREs = true;
 					ClickableVRE vreButton = new ClickableVRE(vre);
 					flowPanel.add(vreButton);
 				}
@@ -92,7 +95,8 @@ public class VresPanel extends Composite {
 			}
 		}
 
-		if (! hasAtLeastOneVRE(cachedVREs)) {
+		if (! hasVREs) {
+			mainPanel.clear();		
 			mainPanel.add(new NoVresPanel());
 			imagesPanel.clear();
 		} 
@@ -100,12 +104,7 @@ public class VresPanel extends Composite {
 	}
 	
 	
-	private boolean hasAtLeastOneVRE(LinkedHashMap<String, ArrayList<VRE>> cachedVREs) {
-		for (String cat : cachedVREs.keySet()) 
-			if (! cachedVREs.get(cat).isEmpty()) 
-				return true;
-		return false;
-	}
+