| /******************************************************************************* |
| * Copyright (c) 2006, 2012 Oracle 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: |
| * Oracle Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.bpel.ui.dnd; |
| |
| import org.eclipse.bpel.ui.BPELEditor; |
| import org.eclipse.emf.common.util.URI; |
| import org.eclipse.gef.GraphicalViewer; |
| import org.eclipse.swt.dnd.DropTargetEvent; |
| import org.eclipse.swt.dnd.TextTransfer; |
| import org.eclipse.swt.dnd.Transfer; |
| |
| |
| |
| /** |
| * @author Michal Chmielewski (michal.chmielewski@oracle.com) |
| * @date Nov 16, 2006 |
| * |
| */ |
| public class TextDropTargetListener extends FileDropTargetListener { |
| |
| /** |
| * |
| * @param viewer |
| * @param editor |
| */ |
| |
| public TextDropTargetListener ( GraphicalViewer viewer, BPELEditor editor) { |
| super( viewer, editor ); |
| } |
| |
| |
| |
| /** (non-Javadoc) |
| * @see org.eclipse.swt.dnd.DropTargetListener#drop(org.eclipse.swt.dnd.DropTargetEvent) |
| */ |
| @SuppressWarnings("nls") |
| @Override |
| public void drop (DropTargetEvent event) { |
| |
| if (getTransfer().isSupportedType(event.currentDataType)) { |
| String data = (String) getTextTransfer().nativeToJava(event.currentDataType); |
| if (data == null) { |
| return ; |
| } |
| data = data.trim(); |
| |
| // Ignore non-url drops. |
| if (data.startsWith("http://") == false && |
| data.startsWith("https://") == false && |
| data.startsWith("ftp://") == false && |
| data.startsWith("ftps://") == false ) |
| { |
| return ; |
| } |
| |
| |
| URI uri = null; |
| try { |
| uri = URI.createURI(data); |
| startImport(); |
| addImport( attemptLoad ( uri ), uri ); |
| endImport(event); |
| |
| } catch (Throwable t) { |
| |
| return ; |
| } |
| |
| } |
| |
| } |
| |
| |
| |
| /** (non-Javadoc) |
| * @see org.eclipse.jface.util.TransferDropTargetListener#getTransfer() |
| */ |
| @Override |
| public Transfer getTransfer() { |
| return TextTransfer.getInstance(); |
| } |
| |
| /** |
| * This only here because nativeToJava() in Transfer is protected. |
| * |
| * @return the text transfer instance. |
| */ |
| |
| public TextTransfer getTextTransfer () { |
| return (TextTransfer) getTransfer(); |
| } |
| |
| /** (non-Javadoc) |
| * @see org.eclipse.jface.util.TransferDropTargetListener#isEnabled(org.eclipse.swt.dnd.DropTargetEvent) |
| */ |
| @Override |
| public boolean isEnabled (DropTargetEvent event) { |
| if (TextTransfer.getInstance().isSupportedType(event.currentDataType)) { |
| String data = (String) TextTransfer.getInstance().nativeToJava(event.currentDataType); |
| if (data == null) { |
| return false; |
| } |
| data = data.trim(); |
| return data.startsWith("http://") || data.startsWith("https://"); |
| } |
| return false; |
| } |
| |
| } |