Java tutorial
/* * Copyright 2015 Doltech Systems Ltd. * * 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 nz.co.doltech.gwtjui.interactions.client.options; import com.google.gwt.dom.client.Element; import com.google.gwt.user.client.ui.UIObject; import nz.co.doltech.gwtjui.core.client.base.MultiTypeOption; import nz.co.doltech.gwtjui.core.client.util.Container; public class Containment implements MultiTypeOption { private String selector; private Element element; private Container container; public Containment(String selector) { this.selector = selector; } public Containment(Container container) { this.container = container; } public Containment(Element element) { this.element = element; } public Containment(UIObject uiObject) { this(uiObject.getElement()); } @Override public Object get() { if (selector != null) { return selector; } else if (element != null) { return element; } else { return container; } } }