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Java > Open Source Codes > org > objectweb > util > browser > plugin > java > CollectionAddObjectOnDropAction


1 /*====================================================================
2
3 Objectweb Browser Framework
4 Copyright (C) 2000-2003 INRIA - USTL - LIFL - GOAL
5 Contact: openccm@objectweb.org
6
7 This library is free software; you can redistribute it and/or
8 modify it 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 any later version.
11
12 This library 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 for more details.
16
17 You should have received a copy of the GNU Lesser General Public
18 License along with this library; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20 USA
21
22 Initial developer(s): Philippe Merle, Jerome Moroy.
23 Contributor(s): ______________________________________.
24
25 ====================================================================*/

26
27 package org.objectweb.util.browser.plugin.java;
28
29 import java.util.Collection JavaDoc;
30
31 import org.objectweb.util.browser.api.DropAction;
32 import org.objectweb.util.browser.api.DropTreeView;
33
34 /**
35  * This action adds an element into a <code>java.util.Collection</code>
36  * object using the Drag&Drop mechanism.
37  *
38  * @author <a HREF="mailto:Philippe.Merle@lifl.fr">Philippe Merle</a>,
39  * <a HREF="mailto:Jerome.Moroy@lifl.fr">Jérôme Moroy</a>
40  *
41  * @version 0.1
42  */

43 public class CollectionAddObjectOnDropAction
44     implements DropAction {
45
46     //==================================================================
47
//
48
// No internal state.
49
//
50
//==================================================================
51

52     //==================================================================
53
//
54
// No constructor.
55
//
56
//==================================================================
57

58     //==================================================================
59
//
60
// No internal method.
61
//
62
//==================================================================
63

64     //==================================================================
65
//
66
// Public methods for DropAction interface.
67
//
68
//==================================================================
69

70     /**
71      * Executes the action.
72      *
73      * @param dropTreeView The current view on the tree.
74      *
75      * @exception Exception The invocation may thrown every kind of exception.
76      */

77     public void
78     execute(DropTreeView dropTreeView)
79     throws Exception JavaDoc{
80         Collection JavaDoc collection = (Collection JavaDoc)dropTreeView.getSelectedObject();
81         Object JavaDoc objectToAdd = dropTreeView.getDragSourceObject();
82         collection.add(objectToAdd);
83     }
84         
85 }
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