1 /*
2 * Copyright (C) 2003-2005 SINTEF
3 * Author: Fredrik Vraalsen (fredrik dot vraalsen at sintef dot no)
4 * Webpage: http://coras.sourceforge.net/
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public License
8 * as published by the Free Software Foundation; either version 2.1
9 * of the License, or (at your option) any later version.
10 *
11 * This program 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 GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this program; if not, write to the Free
18 * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19 * 02111-1307 USA
20 */
21 package coras.representations;
22
23 import java.awt.Component;
24
25 import no.sintef.assetrepository.Representation;
26
27 import org.apache.batik.swing.JSVGCanvas;
28 import org.w3c.dom.Document;
29 import org.w3c.dom.Node;
30
31
32
33 /***
34 * @author fvr
35 *
36 * TODO To change the template for this generated type comment go to
37 * Window - Preferences - Java - Code Style - Code Templates
38 */
39 public class SVGImage extends DiagramRepresentation implements XmlRepresentation {
40
41 private JSVGCanvas canvas = null;
42
43 /***
44 * @param representation
45 */
46 protected SVGImage(Representation representation) {
47 super(representation);
48 }
49
50 /* (non-Javadoc)
51 * @see coras.representations.IDiagramImage#getUIComponent()
52 */
53 public synchronized Component getUIComponent() {
54 if (canvas == null) {
55 Node content = getXmlContent();
56 canvas = createUIComponent(content);
57 }
58 return canvas;
59 }
60
61 /* (non-Javadoc)
62 * @see coras.representations.XmlRepresentation#getXmlContent()
63 */
64 public Node getXmlContent() {
65 Object content = getContent();
66 if (content == null || content instanceof Node) {
67 return (Node) content;
68 } else {
69 return null; // FIXME error
70 }
71 }
72
73 public static JSVGCanvas createUIComponent(Node content) {
74 Document doc;
75 if (content instanceof Document) {
76 doc = (Document) content;
77 } else {
78 doc = content.getOwnerDocument();
79 }
80 JSVGCanvas c = new JSVGCanvas();
81 c.setDocument(doc);
82 return c;
83 }
84
85 }