Java tutorial
/******************************************************************************* * Copyright (c) 2000, 2017 IBM Corporation and others. * * This program and the accompanying materials * are made available under the terms of the Eclipse Public License 2.0 * which accompanies this distribution, and is available at * https://www.eclipse.org/legal/epl-2.0/ * * SPDX-License-Identifier: EPL-2.0 * * Contributors: * IBM Corporation - initial API and implementation *******************************************************************************/ package org.eclipse.swt.custom; /** * This adapter class provides default implementations for the * methods described by the <code>CTabFolder2Listener</code> interface. * <p> * Classes that wish to deal with <code>CTabFolderEvent</code>s can * extend this class and override only the methods which they are * interested in. * </p> * <p> * An alternative to this class are the static helper methods in * {@link CTabFolder2Listener}, * which accept a lambda expression or a method reference that implements the event consumer. * </p> * * @see CTabFolder2Listener * @see CTabFolderEvent * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> * * @since 3.0 */ public class CTabFolder2Adapter implements CTabFolder2Listener { /** * Sent when the user clicks on the close button of an item in the CTabFolder. The item being closed is specified * in the event.item field. Setting the event.doit field to false will stop the CTabItem from closing. * When the CTabItem is closed, it is disposed. The contents of the CTabItem (see CTabItem#setControl) will be * made not visible when the CTabItem is closed. * <p> * The default behaviour is to close the CTabItem. * </p> * * @param event an event indicating the item being closed */ @Override public void close(CTabFolderEvent event) { } /** * Sent when the user clicks on the minimize button of a CTabFolder. * <p> * The default behaviour is to do nothing. * </p> * * @param event an event containing information about the minimize */ @Override public void minimize(CTabFolderEvent event) { } /** * Sent when the user clicks on the maximize button of a CTabFolder. * <p> * The default behaviour is to do nothing. * </p> * * @param event an event containing information about the maximize */ @Override public void maximize(CTabFolderEvent event) { } /** * Sent when the user clicks on the restore button of a CTabFolder. * <p> * The default behaviour is to do nothing. * </p> * * @param event an event containing information about the restore */ @Override public void restore(CTabFolderEvent event) { } /** * Sent when the user clicks on the chevron button of a CTabFolder. * <p> * The default behaviour is to show a list of items that are not currently * visible and to change the selection based on the item selected from the list. * </p> * * @param event an event containing information about the show list */ @Override public void showList(CTabFolderEvent event) { } }