| /* |
| * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.awt.dnd.*; |
| import java.awt.*; |
| import java.awt.datatransfer.DataFlavor; |
| import java.awt.datatransfer.UnsupportedFlavorException; |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Iterator; |
| import java.util.Arrays; |
| |
| public class TargetPanel extends Panel implements DropTargetListener{ |
| |
| private java.util.List <File> content = new ArrayList<File>(); |
| |
| //private final CustomDropTargetListener dropTargetListener = new CustomDropTargetListener(); |
| |
| private Frame frame; |
| |
| public TargetPanel (Frame frame) |
| { |
| this.frame = frame; |
| setBackground(Color.DARK_GRAY); |
| setPreferredSize(new Dimension(200, 200)); |
| setDropTarget(new DropTarget(this, this)); |
| } |
| |
| public void dragEnter(DropTargetDragEvent dtde) { |
| if (dtde.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) { |
| dtde.acceptDrag(DnDConstants.ACTION_COPY_OR_MOVE); |
| } |
| } |
| |
| public void dragOver(DropTargetDragEvent dtde) { |
| if (dtde.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) { |
| dtde.acceptDrag(DnDConstants.ACTION_COPY_OR_MOVE); |
| } |
| } |
| |
| public void dropActionChanged(DropTargetDragEvent dtde) { |
| if (dtde.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) { |
| dtde.acceptDrag(DnDConstants.ACTION_COPY_OR_MOVE); |
| } |
| } |
| |
| public void dragExit(DropTargetEvent dte) { |
| |
| } |
| |
| public void drop(DropTargetDropEvent dtde) { |
| dtde.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE); |
| if (dtde.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) { |
| try { |
| content = (java.util.List)dtde.getTransferable().getTransferData(DataFlavor.javaFileListFlavor); |
| repaint(); |
| } catch (UnsupportedFlavorException e) { |
| e.printStackTrace(); |
| } catch (IOException e) { |
| e.printStackTrace(); |
| } |
| dtde.dropComplete(true); |
| |
| |
| |
| boolean listsAreEqual = true; |
| |
| for (int i = 0; i < content.size(); i++) { |
| if(!FileListTransferable.files[i].getName().equals(content.get(i).getName())) { |
| listsAreEqual = false; |
| } |
| } |
| |
| if (listsAreEqual) { |
| System.err.println(InterprocessMessages.EXECUTION_IS_SUCCESSFULL); |
| System.exit(0); |
| } |
| } |
| dtde.rejectDrop(); |
| System.err.println(InterprocessMessages.FILES_ON_TARGET_ARE_CORRUPTED); |
| System.exit(1); |
| } |
| |
| public void paint(Graphics g) { |
| g.setColor(Color.YELLOW); |
| int i = 0; |
| for (Iterator <File> iterator = content.iterator(); iterator.hasNext();i++) { |
| g.drawString(iterator.next().getName(), 5, g.getFontMetrics().getAscent()*i+20); |
| } |
| |
| } |
| |
| } |