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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  
20  package org.apache.myfaces.tobago.internal.renderkit.renderer;
21  
22  import org.apache.myfaces.tobago.internal.component.AbstractUIHeader;
23  import org.apache.myfaces.tobago.internal.util.HtmlRendererUtils;
24  import org.apache.myfaces.tobago.renderkit.RendererBase;
25  import org.apache.myfaces.tobago.renderkit.css.BootstrapClass;
26  import org.apache.myfaces.tobago.renderkit.html.HtmlAttributes;
27  import org.apache.myfaces.tobago.renderkit.html.HtmlElements;
28  import org.apache.myfaces.tobago.renderkit.html.HtmlRoleValues;
29  import org.apache.myfaces.tobago.webapp.TobagoResponseWriter;
30  
31  import javax.faces.context.FacesContext;
32  import java.io.IOException;
33  
34  public class HeaderRenderer<T extends AbstractUIHeader> extends RendererBase<T> {
35  
36    @Override
37    public void encodeBeginInternal(final FacesContext facesContext, final T component) throws IOException {
38      final TobagoResponseWriter writer = getResponseWriter(facesContext);
39      writer.startElement(HtmlElements.TOBAGO_HEADER);
40      writer.writeIdAttribute(component.getClientId(facesContext));
41      // TBD: NAVBAR_DARK and BG_DARK should not be the default
42      // TBD: how to configure it when it is needed, with customClass, or with markup?
43  
44      writer.writeClassAttribute(
45          component.isFixed() ? BootstrapClass.STICKY_TOP : null,
46          component.getCustomClass());
47  // TBD: should NAVBAR class be in the LinksRenderer?
48      writer.writeAttribute(HtmlAttributes.ROLE, HtmlRoleValues.BANNER.toString(), false);
49      writer.writeAttribute(HtmlAttributes.TITLE, component.getTip(), true);
50      HtmlRendererUtils.writeDataAttributes(facesContext, writer, component);
51    }
52  
53    @Override
54    public void encodeEndInternal(final FacesContext facesContext, final T component) throws IOException {
55      final TobagoResponseWriter writer = getResponseWriter(facesContext);
56      writer.endElement(HtmlElements.TOBAGO_HEADER);
57    }
58  }