1 /*****************************************************************************
2 * Virtual Mockup for Machine Vision
3 * Copyright (C) 2001-2003 Fabio R. de Miranda, João E. Kogler Jr.,
4 * Carlos S. Santos.
5 * Virtual Mockup for Machine Vision Project funded by SENAC-SP
6 *
7 * Permission is granted to redistribute and/or modify this
8 * software under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This software is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License (http://www.gnu.org/copyleft/lesser.html)
16 * for more details.
17 *
18 *****************************************************************************/
19
20 package camera3d.action;
21
22
23 import camera3d.VcObject;
24
25 /***
26 * Action that replaces a VcObject's name.
27 *
28 * @author Fábio Roberto de Miranda
29 * @version 1.0
30 */
31 public class VcObjectRenameAction extends VcObjectChangeAction {
32
33 private VcObject vcObj;
34 private String name,oldName;
35
36 /***
37 * Creates the action given VcObject whose name will be changed and a String
38 * containing the new name.
39 */
40 public VcObjectRenameAction(VcObject vcObj, String name) {
41 this.vcObj = vcObj;
42 this.name = name;
43 }
44
45 /***
46 * Returns VcObject affected by this action.
47 */
48 public VcObject getVcObject(){
49 return this.vcObj;
50 }
51
52 /***
53 * Returns new name of the VcObject.
54 */
55 public String getNewName(){
56 return this.name;
57 }
58
59 /***
60 * Returns old name of the VcObject.
61 */
62 public String getOldName(){
63 return this.oldName;
64 }
65
66 /***
67 * Does the name change.
68 * @param executor provides any auxiliary resource for performing the action.
69 */
70 public void doAction(ActionExecutor executor){
71 VcObject object = getVcObject();
72 oldName = object.getLabel();
73 object.setLabel(getNewName());
74 }
75
76 /***
77 * Undoes the name change.
78 * @param executor provides any auxiliary resource for performing the action.
79 */
80 public void undoAction(ActionExecutor executor){
81 VcObject object = getVcObject();
82 if(oldName!=null&&object!=null)
83 object.setLabel(oldName);
84 }
85 }
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