| /******************************************************************************* |
| * Copyright (c) 2009, 2016 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.accessibility; |
| |
| /** |
| * This adapter class provides default implementations for the |
| * methods in the <code>AccessibleActionListener</code> interface. |
| * <p> |
| * Classes that wish to deal with <code>AccessibleAction</code> events can |
| * extend this class and override only the methods that they are |
| * interested in. |
| * </p> |
| * |
| * @see AccessibleActionListener |
| * @see AccessibleActionEvent |
| * |
| * @since 3.6 |
| */ |
| public class AccessibleActionAdapter implements AccessibleActionListener { |
| /** |
| * Returns the number of accessible actions available in this object. |
| * <p> |
| * If there are more than one, the first one (index 0) is considered the |
| * "default" action of the object. |
| * </p> |
| * |
| * @param e an event object containing the following fields:<ul> |
| * <li>[out] count - the number of actions, or zero if there are no actions</li> |
| * </ul> |
| */ |
| @Override |
| public void getActionCount(AccessibleActionEvent e) {} |
| |
| /** |
| * Performs the specified action on the object. |
| * |
| * @param e an event object containing the following fields:<ul> |
| * <li>[in] index - a 0 based index specifying the action to perform. |
| * If the index lies outside the valid range no action is performed.</li> |
| * <li>[out] result - set to {@link ACC#OK} if the action was performed.</li> |
| * </ul> |
| */ |
| @Override |
| public void doAction(AccessibleActionEvent e) {} |
| |
| /** |
| * Returns a description of the specified action. |
| * |
| * @param e an event object containing the following fields:<ul> |
| * <li>[in] index - a 0 based index specifying which action's description to return</li> |
| * <li>[out] result - a localized string describing the specified action, |
| * or null if the index lies outside the valid range</li> |
| * </ul> |
| */ |
| @Override |
| public void getDescription(AccessibleActionEvent e) {} |
| |
| /** |
| * Returns a string representing one or more key bindings, if there |
| * are any, associated with the specified action. |
| * <p> |
| * The returned string is of the following form: mnemonic;accelerator |
| * for example: "C;CTRL+C" for the Copy item in a typical Edit menu. |
| * </p> |
| * |
| * @param e an event object containing the following fields:<ul> |
| * <li>[in] index - a 0 based index specifying which action's key bindings to return</li> |
| * <li>[out] result - a semicolon-delimited string of localized key bindings |
| * (example: "C;CTRL+C"), or null if the index lies outside the valid range</li> |
| * </ul> |
| */ |
| @Override |
| public void getKeyBinding(AccessibleActionEvent e) {} |
| |
| /** |
| * Returns the name of the specified action. |
| * <p> |
| * There is no need to implement this method for single action controls |
| * since that would be redundant with AccessibleControlListener.getDefaultAction. |
| * </p> |
| * |
| * @param e an event object containing the following fields:<ul> |
| * <li>[in] index - a 0 based index specifying which action's name to return</li> |
| * <li>[in] localized - a boolean indicating whether or not to return a localized name</li> |
| * <li>[out] result - the name of the specified action, |
| * or null if the index lies outside the valid range</li> |
| * </ul> |
| */ |
| @Override |
| public void getName(AccessibleActionEvent e) {} |
| } |