Docjar: com/memoire/dnd/DndRequestSelection.java

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Source code: com/memoire/dnd/DndRequestSelection.java

1   /**
2    * @modification $Date: 2002/12/16 18:56:25 $
3    * @statut       unstable
4    * @file         DndRequestSelection.java
5    * @version      0.36
6    * @author       Guillaume Desnoix
7    * @email        guillaume@desnoix.com
8    * @license      GNU General Public License 2 (GPL2)
9    * @copyright    1998-2001 Guillaume Desnoix
10   */
11  
12  package com.memoire.dnd;
13  import com.memoire.dnd.*;
14  
15  
16  import java.awt.*;
17  import javax.swing.*;
18  import javax.swing.tree.*;
19  
20  public class DndRequestSelection
21      implements DndRequestData
22  {
23      public static final DndRequestSelection SINGLETON=
24    new DndRequestSelection();
25  
26      protected DndRequestSelection() { }
27  
28      public Object[] request(JComponent _component,Point _location)
29      {
30    Object[] r=null;
31  
32    if(_component instanceof JList)
33    {
34        JList list=(JList)_component;
35        r=list.getSelectedValues();
36    }
37    else
38    if(_component instanceof JTree)
39    {
40        JTree      tree=(JTree)_component;
41        TreePath[] path=tree.getSelectionPaths();
42  
43        if(path!=null)
44        {
45          int        l   =path.length;
46          r=new Object[l];
47          for(int i=0;i<l;i++)
48      r[i]=path[i].getLastPathComponent();
49        }
50    }
51  
52    /*
53      if(r!=null)
54      System.err.println("VALUE[]="+r.length);
55    */
56  
57    if((r!=null)&&(r.length==0)) r=null;
58    return (r!=null ? new Object[] { r } : new Object[0]);
59      }
60  }