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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.renderkit;
21  
22  import org.apache.myfaces.tobago.component.Facets;
23  import org.apache.myfaces.tobago.component.UIBox;
24  import org.apache.myfaces.tobago.component.UIMenuBar;
25  import org.apache.myfaces.tobago.config.Configurable;
26  import org.apache.myfaces.tobago.layout.Measure;
27  import org.slf4j.Logger;
28  import org.slf4j.LoggerFactory;
29  
30  import javax.faces.component.UIComponent;
31  import javax.faces.context.FacesContext;
32  import java.io.IOException;
33  
34  public abstract class BoxRendererBase extends LayoutComponentRendererBase {
35  
36    private static final Logger LOG = LoggerFactory.getLogger(BoxRendererBase.class);
37  
38    public boolean getRendersChildren() {
39      return true;
40    }
41  
42    @Override
43    public Measure getBorderTop(FacesContext facesContext, Configurable component) {
44  
45      Measure borderTop = super.getBorderTop(facesContext, component);
46      if (getMenuBarFacet((UIComponent) component) != null) {
47        borderTop = borderTop.add(19); // todo: get via theme config
48      }
49      return borderTop;
50    }
51  
52    @Override
53    public Measure getMinimumHeight(FacesContext facesContext, Configurable component) {
54      if (component instanceof UIBox && ((UIBox) component).isCollapsed()) {
55        return getBorderTop(facesContext, component);
56      }
57      return super.getMinimumHeight(facesContext, component);
58    }
59  
60    @Override
61    public Measure getMaximumHeight(FacesContext facesContext, Configurable component) {
62      if (component instanceof UIBox && ((UIBox) component).isCollapsed()) {
63        return getBorderTop(facesContext, component);
64      }
65      return super.getMaximumHeight(facesContext, component);
66    }
67  
68    protected UIMenuBar getMenuBarFacet(UIComponent component) {
69      return (UIMenuBar) component.getFacet(Facets.MENUBAR);
70    }
71  
72    @Override
73    public void encodeChildren(FacesContext facesContext, UIComponent component) throws IOException {
74      if (component instanceof UIBox && ((UIBox) component).isCollapsed()) {
75        return;
76      }
77      super.encodeChildren(facesContext, component);
78    }
79  }