View Javadoc

1   /*
2    * Copyright (c) 2003-2008 by Cosylab d. d.
3    *
4    * This file is part of CosyBeans-Common.
5    *
6    * CosyBeans-Common is free software: you can redistribute it and/or modify
7    * it under the terms of the GNU General Public License as published by
8    * the Free Software Foundation, either version 3 of the License, or
9    * (at your option) any later version.
10   *
11   * CosyBeans-Common is distributed in the hope that it will be useful,
12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   * GNU General Public License for more details.
15   *
16   * You should have received a copy of the GNU General Public License
17   * along with CosyBeans-Common.  If not, see <http://www.gnu.org/licenses/>.
18   */
19  
20  package com.cosylab.gui.components.util;
21  
22  import java.awt.Component;
23  import java.awt.Container;
24  import java.awt.event.MouseMotionListener;
25  
26  import javax.swing.JComponent;
27  import javax.swing.TransferHandler;
28  
29  public class DnDUtil {
30  
31  	public static void setTransferHandler(TransferHandler th, JComponent component) {
32  		component.setTransferHandler(th);
33  		
34  		if (th instanceof MouseMotionListener) {
35  			recursiveGetChild(component,(MouseMotionListener)th);
36  		}
37  	}
38  	
39  	private static void recursiveGetChild(Component component, MouseMotionListener l) {
40  		if (component instanceof Container) {
41  			Component[] comp = ((Container)component).getComponents();
42  			for (Component c: comp) {
43  				recursiveGetChild(c,l);
44  			}
45  		}
46  		component.addMouseMotionListener(l);		
47  	}
48  	
49  }
50  
51  
52  /* __oOo__ */