2 * Copyright 2000-2018 Vaadin Ltd.
4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
5 * use this file except in compliance with the License. You may obtain a copy of
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 * License for the specific language governing permissions and limitations under
16 package com.vaadin.v7.client.widget.escalator.events;
18 import com.google.gwt.event.shared.EventHandler;
21 * Event handler for a spacer visibility changed event.
26 public interface SpacerVisibilityChangedHandler extends EventHandler {
29 * Called when a spacer visibility changed event is fired, when a spacer's
33 * the spacer visibility changed event
35 public void onSpacerVisibilityChanged(SpacerVisibilityChangedEvent event);