Source code: com/paradoxpoint/libitina/gui/datatransfer/ProxyTransferHandler.java
1 /*
2 * Libitina - Funeral Monument Image Compositor
3 * Copyright (C) 2003,2004 Luke Imhoff
4 *
5 * Contact Info:
6 * luke@paradoxpoint.com
7 * Luke Imhoff
8 * 2514 Pied Piper Lane
9 * Wausau, WI 54403
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version 2
14 * of the License, or (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 *
25 * ProxyTransferHandler.java
26 *
27 * Created on June 10, 2003, 3:57 AM
28 */
29
30 package com.paradoxpoint.libitina.gui.datatransfer;
31
32 import java.util.*;
33
34 import javax.swing.*;
35
36 /** <CODE>TransferHandler</CODE> that <I>always</I> uses the non-null source and target for
37 * data transfers
38 * @author Luke Imhoff
39 */
40 public class ProxyTransferHandler extends TransferHandler {
41
42 private Vector proxyTargets = new Vector();
43 /** source of <CODE>Transeferable</CODE> data */
44 private Object source;
45 /** target of <CODE>importData()</CODE> */
46 private Object target;
47
48 /** Creates a new instance of ProxyTransferHandler
49 * @param source source of transfer data
50 * @param target target of all transfers
51 * @throws NullPointerException if source or target is <CODE>null</CODE>
52 */
53 public ProxyTransferHandler(Object source, Object target) throws NullPointerException {
54 if (source == null || target == null)
55 throw new NullPointerException();
56 this.source = source;
57 this.target = target;
58 }
59
60 /** Getter for property source.
61 * @return Value of property source.
62 *
63 */
64 public Object getSource() {
65 return source;
66 }
67
68 /** Getter for property target.
69 * @return Value of property target.
70 *
71 */
72 public Object getTarget() {
73 return target;
74 }
75
76 public void addProxyTarget(JComponent proxy) {
77 proxyTargets.add(proxy);
78 }
79
80 public boolean isProxyTarget(JComponent c) {
81 return proxyTargets.contains(c);
82 }
83
84 public void removeProxyTarget(JComponent proxy) {
85 proxyTargets.remove(proxy);
86 }
87
88 }