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Java > Open Source Codes > org > snipsnap > render > macro > GraphMacro


1 /*
2  * This file is part of "SnipSnap Wiki/Weblog".
3  *
4  * Copyright (c) 2002 Stephan J. Schmidt, Matthias L. Jugel
5  * All Rights Reserved.
6  *
7  * Please visit http://snipsnap.org/ for updates and contact.
8  *
9  * --LICENSE NOTICE--
10  * This program is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU General Public License
12  * as published by the Free Software Foundation; either version 2
13  * of the License, or (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23  * --LICENSE NOTICE--
24  */
25
26 package org.snipsnap.render.macro;
27
28 import org.radeox.util.Encoder;
29 import org.radeox.util.i18n.ResourceManager;
30 import org.snipsnap.net.RenderServlet;
31 import org.snipsnap.render.macro.parameter.SnipMacroParameter;
32 import org.snipsnap.snip.Snip;
33 import org.snipsnap.snip.SnipLink;
34
35 import java.io.IOException JavaDoc;
36 import java.io.Writer JavaDoc;
37
38 /*
39  * Macro that renders graphs.
40  *
41  * @author stephan
42  * @team sonicteam
43  * @version $Id: GraphMacro.java 1801 2005-01-29 17:26:09Z leo $
44  */
45
46 public class GraphMacro extends SnipMacro {
47   public GraphMacro() {
48   }
49
50   public String JavaDoc getName() {
51     return "graph";
52   }
53
54   public String JavaDoc getDescription() {
55     return ResourceManager.getString("i18n.messages", "macro.graph.description");
56   }
57
58   public String JavaDoc[] getParamDescription() {
59     return ResourceManager.getString("i18n.messages", "macro.graph.params").split(";");
60   }
61
62   public void execute(Writer JavaDoc writer, SnipMacroParameter params)
63           throws IllegalArgumentException JavaDoc, IOException JavaDoc {
64     Snip snip = params.getSnipRenderContext().getSnip();
65     String JavaDoc name = snip.getName();
66     String JavaDoc handler = params.get("handler", 0);
67     String JavaDoc size = params.get("size", 1);
68     String JavaDoc imageMap = params.get("ismap", 2);
69
70     writer.write("<img class=\"graph-image\" ");
71     if (null != size && size.matches("[0-9]+%")) {
72       writer.write("width=\"");
73       writer.write(size);
74       writer.write("\" ");
75     }
76     writer.write("src=\"exec/render?name=");
77     writer.write(SnipLink.encode(name));
78     writer.write("&amp;handler=");
79     writer.write(handler);
80     String JavaDoc content = Encoder.unescape(params.getContent());
81     String JavaDoc renderId = RenderServlet.addContent(name, content);
82     writer.write("&amp;id=");
83     writer.write(renderId);
84     if (null != imageMap) {
85       writer.write("\" usemap=\"#");
86       writer.write(renderId);
87     }
88     writer.write("\"/>");
89
90     if (null != imageMap) {
91       writer.write(RenderServlet.getImageMap(renderId, handler));
92     }
93   }
94
95
96 }
97
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