| //------------------------------------------------------------------------------ |
| // Copyright (c) 2005, 2006 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 implementation |
| //------------------------------------------------------------------------------ |
| package org.eclipse.epf.common.ui.util; |
| |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.epf.common.utils.FileUtil; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.dnd.Clipboard; |
| import org.eclipse.swt.dnd.HTMLTransfer; |
| import org.eclipse.swt.dnd.TextTransfer; |
| import org.eclipse.swt.dnd.Transfer; |
| import org.eclipse.swt.widgets.Display; |
| import org.osgi.framework.Bundle; |
| |
| /** |
| * Utility class for retrieving data from the clipboard. |
| * |
| * @author Kelvin Low |
| * @since 1.0 |
| */ |
| public class ClipboardUtil { |
| |
| /** |
| * The current clipboard. |
| */ |
| private static Clipboard clipboard; |
| |
| private static final String SOURCE_URL = "SourceURL:"; //$NON-NLS-1$ |
| |
| private static Transfer htmlTransfer = null; |
| |
| static { |
| if (SWT.getPlatform().equals("win32")) { //$NON-NLS-1$ |
| try { |
| Bundle bundle = Platform |
| .getBundle("org.eclipse.epf.common.win32.win32.x86"); //$NON-NLS-1$ |
| Class c = bundle |
| .loadClass("org.eclipse.epf.common.win32.Win32HTMLTransfer"); //$NON-NLS-1$ |
| if (c != null) { |
| htmlTransfer = (Transfer) c.newInstance(); |
| } |
| } catch (Exception e) { |
| htmlTransfer = null; |
| } |
| } |
| } |
| |
| /** |
| * Gets the HTML source URL from the current clipboard. |
| * |
| * @return the HTML source URL or <code>null</code> |
| */ |
| public static String getHTMLSourceURL() { |
| if (htmlTransfer == null) { |
| return null; |
| } |
| |
| Clipboard clipboard = new Clipboard(Display.getCurrent()); |
| String sourceURL = null; |
| try { |
| String htmlContent = (String) clipboard.getContents(htmlTransfer); |
| if (htmlContent != null && htmlContent.length() > 0) { |
| int index = htmlContent.indexOf(SOURCE_URL); |
| if (index > 0) { |
| sourceURL = htmlContent.substring(index |
| + SOURCE_URL.length()); |
| sourceURL = sourceURL.substring(0, sourceURL |
| .indexOf(FileUtil.LINE_SEP)); |
| } |
| } |
| if (sourceURL != null && sourceURL.indexOf("\\") != -1) { //$NON-NLS-1$ |
| // IE provides sourceURL in form "file://C:\foo\bar.htm" |
| // but when the hrefs are resolved, files look like "file:///C:/foo/bar.htm" |
| URL url = new URL(sourceURL); |
| sourceURL = url.toExternalForm(); |
| if (sourceURL.startsWith("file://") && !sourceURL.startsWith("file:///")) { //$NON-NLS-1$ //$NON-NLS-2$ |
| // need to add a third / so rte.js can match the sourceURL to hrefs |
| sourceURL = "file:///" + sourceURL.substring(7); //$NON-NLS-1$ |
| } |
| } |
| return sourceURL; |
| } catch (MalformedURLException urlEx) { |
| return sourceURL; |
| } finally { |
| clipboard.dispose(); |
| } |
| } |
| |
| /** |
| * Copy the string to the clipboard. |
| */ |
| public static void copyTextHTMLToClipboard(String string) { |
| if (clipboard != null) |
| clipboard.dispose(); |
| clipboard = new Clipboard(null); |
| clipboard.setContents(new Object[] { string, string }, |
| new Transfer[] { TextTransfer.getInstance(), HTMLTransfer.getInstance() }); |
| if (clipboard != null) |
| clipboard.dispose(); |
| } |
| |
| } |