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1
11
12 package org.jivesoftware.messenger.launcher;
13
14 import javax.swing.JFrame  ;
15
16 import java.awt.datatransfer.DataFlavor ;
17 import java.awt.datatransfer.Transferable ;
18 import java.awt.datatransfer.UnsupportedFlavorException ;
19 import java.awt.dnd.*;
20 import java.io.File ;
21 import java.io.IOException ;
22 import java.util.Iterator ;
23 import java.util.List ;
24
25
29 public class DroppableFrame extends JFrame implements DropTargetListener, DragSourceListener,
30 DragGestureListener
31 {
32
33 private DragSource dragSource = DragSource.getDefaultDragSource();
34
35
38 public DroppableFrame() {
39 new DropTarget(this, this);
40 dragSource.createDefaultDragGestureRecognizer(this, DnDConstants.ACTION_COPY_OR_MOVE, this);
41 }
42
43 public void dragDropEnd(DragSourceDropEvent DragSourceDropEvent) {
44 }
45
46 public void dragEnter(DragSourceDragEvent DragSourceDragEvent) {
47 }
48
49 public void dragExit(DragSourceEvent DragSourceEvent) {
50 }
51
52 public void dragOver(DragSourceDragEvent DragSourceDragEvent) {
53 }
54
55 public void dropActionChanged(DragSourceDragEvent DragSourceDragEvent) {
56 }
57
58 public void dragEnter(DropTargetDragEvent dropTargetDragEvent) {
59 dropTargetDragEvent.acceptDrag(DnDConstants.ACTION_COPY_OR_MOVE);
60 }
61
62 public void dragExit(DropTargetEvent dropTargetEvent) {
63 }
64
65 public void dragOver(DropTargetDragEvent dropTargetDragEvent) {
66 }
67
68 public void dropActionChanged(DropTargetDragEvent dropTargetDragEvent) {
69 }
70
71 public void drop(DropTargetDropEvent dropTargetDropEvent) {
72 try {
73 Transferable transferable = dropTargetDropEvent.getTransferable();
74 if (transferable.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) {
75 dropTargetDropEvent.acceptDrop(DnDConstants.ACTION_COPY_OR_MOVE);
76 List fileList = (List ) transferable.getTransferData(DataFlavor.javaFileListFlavor);
77 Iterator iterator = fileList.iterator();
78 while (iterator.hasNext()) {
79 File file = (File ) iterator.next();
80 if (file.isFile()) {
81 fileDropped(file);
82 }
83
84 if (file.isDirectory()) {
85 directoryDropped(file);
86 }
87 }
88 dropTargetDropEvent.getDropTargetContext().dropComplete(true);
89 }
90 else {
91 dropTargetDropEvent.rejectDrop();
92 }
93 }
94 catch (IOException io) {
95 io.printStackTrace();
96 dropTargetDropEvent.rejectDrop();
97 }
98 catch (UnsupportedFlavorException ufe) {
99 ufe.printStackTrace();
100 dropTargetDropEvent.rejectDrop();
101 }
102 }
103
104 public void dragGestureRecognized(DragGestureEvent dragGestureEvent) {
105
106 }
107
108
113 public void fileDropped(File file){
114
115 }
116
117
122 public void directoryDropped(File file){
123
124 }
125 } |
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