/* * Copyright 2015 JBoss, by Red Hat, 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 org.uberfire.ext.widgets.common.client.common; import com.google.gwt.event.logical.shared.CloseEvent; import com.google.gwt.event.logical.shared.CloseHandler; import com.google.gwt.event.logical.shared.HasCloseHandlers; import com.google.gwt.event.logical.shared.HasOpenHandlers; import com.google.gwt.event.logical.shared.OpenEvent; import com.google.gwt.event.logical.shared.OpenHandler; import com.google.gwt.event.shared.HandlerRegistration; import com.google.gwt.user.client.ui.SimplePanel; public abstract class AbstractLazyStackPanelHeader extends SimplePanel implements HasCloseHandlers<AbstractLazyStackPanelHeader>, HasOpenHandlers<AbstractLazyStackPanelHeader> { protected boolean expanded = false; public HandlerRegistration addOpenHandler(OpenHandler<AbstractLazyStackPanelHeader> handler) { return addHandler(handler, OpenEvent.getType()); } public HandlerRegistration addCloseHandler(CloseHandler<AbstractLazyStackPanelHeader> handler) { return addHandler(handler, CloseEvent.getType()); } public abstract void expand(); public abstract void collapse(); }