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/jEdit/tags/jedit-4-5-pre1/org/gjt/sp/jedit/datatransfer/TransferHandler.java

#
Java | 78 lines | 44 code | 9 blank | 25 comment | 4 complexity | 69822f325be9c5cb5bf25437917294fb MD5 | raw file
 1/*
 2 * TransferHandler.java
 3 * :tabSize=8:indentSize=8:noTabs=false:
 4 * :folding=explicit:collapseFolds=1:
 5 *
 6 * Copyright (C) 2010 Matthieu Casanova
 7 *
 8 * This program is free software; you can redistribute it and/or
 9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
21 */
22package org.gjt.sp.jedit.datatransfer;
23
24import org.gjt.sp.jedit.textarea.TextArea;
25
26import java.awt.datatransfer.DataFlavor;
27import java.awt.datatransfer.Transferable;
28import java.util.ArrayList;
29import java.util.HashMap;
30import java.util.List;
31import java.util.Map;
32
33/**
34 * @author Matthieu Casanova
35 * @since jEdit 4.4.x
36 */
37public class TransferHandler
38{
39	private static final TransferHandler instance = new TransferHandler();
40
41	private final List<JEditTransferableService> services;
42
43	private TransferHandler()
44	{
45		services = new ArrayList<JEditTransferableService>();
46	}
47
48	public static TransferHandler getInstance()
49	{
50		return instance;
51	}
52
53	public void registerTransferableService(JEditTransferableService transferableService)
54	{
55		if (!services.contains(transferableService))
56			services.add(transferableService);
57	}
58
59	public Transferable getTransferable(TextArea textArea, String text)
60	{
61		Map<DataFlavor, Transferable> flavors = new HashMap<DataFlavor, Transferable>();
62		for (JEditTransferableService service : services)
63		{
64			if (service.accept(textArea, text))
65			{
66				Transferable t = service.getTransferable(textArea, text);
67				DataFlavor[] supportedDataFlavor = t.getTransferDataFlavors();
68				for (DataFlavor dataFlavor : supportedDataFlavor)
69				{
70					flavors.put(dataFlavor, t);
71				}
72			}
73		}
74		 Transferable transferable = new JEditTransferable(flavors);
75
76		return transferable;
77	}
78}