hide set all read and pagfinator

Change-Id: I5dc916501b6276ecbe34554c0b91ada3b818f689

src/main/java/se/su/dsv/scipro/project/panels/NotificationsPanel.java

@@ -37,6 +37,8 @@ public class NotificationsPanel extends Panel {
 
 	@SpringBean
 	private WebNotificationDao webNotificationDao;
+	
+	private int countOfNotifications = 0;
 
 	/**
 	 * @param id
@@ -53,6 +55,8 @@ public class NotificationsPanel extends Panel {
 				return webNotificationDao.getCountOfWebNotifications(SciProSession.get().getUser());
 			}
 		};
+		
+		countOfNotifications = numberOfNotificationsModel.getObject();
 
 		Label newNotifications = new Label("newNotifications", numberOfNotificationsModel);
 
@@ -96,6 +100,7 @@ public class NotificationsPanel extends Panel {
 						notification.setReadByUser(true);
 						webNotificationDao.save(notification);
 						target.addComponent(webMarkupContainer);
+						countOfNotifications = numberOfNotificationsModel.getObject();
 					}
 				});
 
@@ -108,15 +113,30 @@ public class NotificationsPanel extends Panel {
 
 			@Override
 			public void onClick(AjaxRequestTarget target) {
-				for (WebNotification webnotification : webNotificationDao.getWebNotifications(SciProSession
-						.get().getUser())) {
+				for (WebNotification webnotification : webNotificationDao
+						.getWebNotifications(SciProSession.get().getUser())) {
 					webnotification.setReadByUser(true);
-					webNotificationDao.save(webnotification);					
+					webNotificationDao.save(webnotification);
 				}
 				target.addComponent(webMarkupContainer);
 			}
-		});
-		PagingNavigator pagingNavigator = new PagingNavigator("paging", notifications);
+			
+			@Override
+			public boolean isVisible() {	
+				return countOfNotifications > 0;
+			};
+		}.setOutputMarkupPlaceholderTag(true));
+
+		PagingNavigator pagingNavigator = new PagingNavigator("paging", notifications){
+			
+			private static final long serialVersionUID = 1L;
+
+			@Override
+			public boolean isVisible() {	
+				return countOfNotifications > 0;
+			};
+		};
+		pagingNavigator.setOutputMarkupPlaceholderTag(true);
 		webMarkupContainer.add(pagingNavigator);
 		webMarkupContainer.add(notifications);
 	}