1 /*
2 * Copyright (c) 2004, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 import java.awt.*;
25 import java.awt.datatransfer.*;
26 import java.awt.dnd.*;
27
28 /*
29 * @author Girish R (girish.ramachandran@sun.com)
30 */
31
32 public class GUIXDnDJava extends Frame implements ClipboardOwner {
33
34 Process process;
35 volatile boolean framesVisible;
36 final Clipboard selection = Toolkit.getDefaultToolkit().getSystemSelection();
37
38 Object dropData = new String("");
39 volatile boolean dragDropEnd, dropSuccess;
40 int dropAction;
41 DragSource ds;
42 DragSourceListener dsl;
43 DragGestureListener dgl;
44 DropTargetListener dtl;
45 static String data = "DragDropEnd TEST";
46
47
48 public GUIXDnDJava() throws Exception {
49 this.setSize(500, 300);
50 this.setLocation(new Point(6, 200));
51 this.setVisible(true);
52 ds = DragSource.getDefaultDragSource();
53 dsl = new DragSourceAdapter() {
54 public void dragDropEnd(DragSourceDropEvent dsde) {
55 dragDropEnd = true;
56 dropSuccess = dsde.getDropSuccess();
57 dropAction = dsde.getDropAction();
58
59 System.out.println("getDropSuccess: " + dsde.getDropSuccess());
60 System.out.println("getDropAction: " + dsde.getDropAction());
61 }
62 };
63
64 dgl = dge -> {
65 System.out.println("Drag gesture");
66 dge.startDrag(null, new StringSelection(data), dsl);
67 };
68
69 ds.createDefaultDragGestureRecognizer(this, DnDConstants.ACTION_COPY_OR_MOVE, dgl);
70 dtl = new DropTargetAdapter() {
71 public void drop(DropTargetDropEvent dtde) {
72 System.out.println("Drop occured");
73 dtde.acceptDrop(DnDConstants.ACTION_COPY);
74 Transferable t = dtde.getTransferable();
75 try {
76 dropData = t.getTransferData(DataFlavor.stringFlavor);
77 } catch (Exception e) {
78 throw new RuntimeException(e);
79 }
80 dtde.dropComplete(true);
81 }
82 };
83 new DropTarget(this, dtl);
84
85 String childName = "xdnd-child";
86
87 Runtime runtime = Runtime.getRuntime();
88 Process proc = runtime.exec("/bin/chmod u+x "+childName);
89 proc.waitFor();
90
91 // Only a way to receive notification when the child is ready.
92 selection.setContents(new StringSelection("Sun"), this);
93
94 //Run the native process and wait for it to get over
95 process = Runtime.getRuntime().exec("./"+childName);
96 }
97
98 /**
99 * This will be notified when the Native window comes up. Test starts here.
100 */
101 public void lostOwnership(Clipboard clipboard, Transferable contents) {
102 this.framesVisible = true;
103 }
104
105 public void destroyProcess() {
106 if (process != null)
107 process.destroy();
108 }
109 }