added hide onClick

git-svn-id: http://svn.d4science-ii.research-infrastructures.eu/gcube/trunk/portlets/user/workspace@144286 82a268e6-3cf1-43bd-a215-b396298e98cf

src/main/java/org/gcube/portlets/user/workspace/client/view/versioning/VersioningInfoContainer.java

@@ -229,11 +229,12 @@ public class VersioningInfoContainer extends LayoutContainer {
 
 					String msg = "Deleting all older versions of: <br/> - "+ currentVersion.getName()+"." +
 						"<br/>Confirm?";
-					DialogConfirm box = new DialogConfirm(null, "Delete older versions of: "+ currentVersion.getName(), msg);
+					final DialogConfirm box = new DialogConfirm(null, "Delete older versions of: "+ currentVersion.getName(), msg);
 					box.getYesButton().addClickHandler(new ClickHandler() {
 
 						@Override
 						public void onClick(ClickEvent event) {
+							box.hide();
 							AppController.getEventBus().fireEvent(new FileVersioningEvent(WorkspaceVersioningOperation.DELETE_ALL_OLDER_VERSIONS, currentVersion, store.getModels(), windowVersioning));
 						}
 					});