Java tutorial
/* * Copyright 2011 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package com.google.gwt.user.client.ui; /** * Implemented by widgets that support vertical scrolling. */ public interface HasVerticalScrolling { /** * Get the maximum position of vertical scrolling. This is usually the * <code>scrollHeight - clientHeight</code>. * * @return the maximum vertical scroll position */ int getMaximumVerticalScrollPosition(); /** * Get the minimum position of vertical scrolling. * * @return the minimum vertical scroll position */ int getMinimumVerticalScrollPosition(); /** * Gets the vertical scroll position. * * @return the vertical scroll position, in pixels */ int getVerticalScrollPosition(); /** * Sets the vertical scroll position. * * @param position the new vertical scroll position, in pixels */ void setVerticalScrollPosition(int position); }