| /****************************************************************************** |
| * Copyright (c) 2005 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.gmf.runtime.common.ui.action.actions.global; |
| |
| import org.eclipse.swt.dnd.Clipboard; |
| import org.eclipse.swt.dnd.Transfer; |
| import org.eclipse.swt.widgets.Display; |
| |
| /** |
| * This class is responsible for getting the contents from the clipboard. |
| * |
| * @author cmahoney |
| */ |
| public class ClipboardContentsHelper { |
| |
| /** |
| * The singleton instance of <code>ClipboardContentsHelper</code>. |
| */ |
| private static ClipboardContentsHelper instance; |
| |
| /** |
| * Retrieves the singleton instance of <code>ClipboardContentsHelper</code>. |
| * |
| * @return the singleton instance of <code>ClipboardContentsHelper</code> |
| */ |
| public static ClipboardContentsHelper getInstance() { |
| if (instance == null) { |
| instance = new ClipboardContentsHelper(); |
| } |
| return instance; |
| } |
| |
| /** |
| * Creates a new instance. |
| */ |
| protected ClipboardContentsHelper() { |
| // nothing to initialize |
| } |
| |
| /** |
| * Returns the system clipboard contents |
| * |
| * @param dataType |
| * The transfer agent |
| * @return Object Data associated with the transfer agent |
| */ |
| public Object getClipboardContents(Transfer dataType) { |
| /* check the data type */ |
| assert null != dataType; |
| |
| /* create the clipboard instance */ |
| Clipboard clipboard = new Clipboard(Display.getCurrent()); |
| |
| /* get the data from the clipboard */ |
| Object data = clipboard.getContents(dataType); |
| |
| /* free the system resources associated with the clipboard */ |
| clipboard.dispose(); |
| |
| return data; |
| } |
| } |