1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.myfaces.custom.fieldset;
20
21 import java.io.IOException;
22
23 import javax.faces.component.UIComponent;
24 import javax.faces.context.FacesContext;
25 import javax.faces.context.ResponseWriter;
26
27 import org.apache.myfaces.custom.htmlTag.HtmlTagRenderer;
28 import org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils;
29
30 /**
31 *
32 * @JSFRenderer
33 * renderKitId = "HTML_BASIC"
34 * family = "javax.faces.Output"
35 * type = "org.apache.myfaces.FieldsetRenderer"
36 *
37 * @author svieujot (latest modification by $Author: skitching $)
38 * @version $Revision: 673833 $ $Date: 2005-05-11 11:47:12 -0400 (Wed, 11 May 2005) $
39 */
40 public class FieldsetRenderer extends HtmlTagRenderer
41 {
42 public static final String RENDERER_TYPE = "org.apache.myfaces.FieldsetRenderer";
43
44 public boolean getRendersChildren()
45 {
46 return true;
47 }
48
49 public void encodeBegin(FacesContext context, UIComponent component)
50 throws IOException
51 {
52
53 Fieldset fieldset = (Fieldset) component;
54
55 if (fieldset.isRendered())
56 {
57 super.encodeBegin(context, component);
58 String legend = fieldset.getLegend();
59 if( legend == null || legend.trim().length() == 0 ) // Don't render the legend
60 return;
61
62 ResponseWriter writer = context.getResponseWriter();
63
64 writer.startElement("legend", fieldset);
65 writer.write( legend );
66 writer.endElement( "legend" );
67 }
68 }
69
70 public void encodeChildren(FacesContext context, UIComponent component) throws IOException {
71 RendererUtils.renderChildren(context, component);
72 }
73
74 }