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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.component;
21  
22  import org.apache.myfaces.tobago.component.SupportFieldId;
23  import org.apache.myfaces.tobago.component.SupportsAccessKey;
24  import org.apache.myfaces.tobago.component.UIEvent;
25  import org.apache.myfaces.tobago.component.Visual;
26  import org.apache.myfaces.tobago.util.ComponentUtils;
27  import org.slf4j.Logger;
28  import org.slf4j.LoggerFactory;
29  
30  import javax.faces.component.UICommand;
31  import javax.faces.component.UIComponent;
32  import javax.faces.component.UIInput;
33  import javax.faces.component.behavior.ClientBehaviorHolder;
34  import javax.faces.context.FacesContext;
35  
36  /**
37   * Base class for commands.
38   */
39  public abstract class AbstractUICommand extends AbstractUICommandBase
40      implements SupportsAccessKey, Visual, ClientBehaviorHolder, SupportFieldId {
41  
42    private static final Logger LOG = LoggerFactory.getLogger(AbstractUICommand.class);
43  
44    enum PropertyKeys {
45      disabled,
46    }
47  
48    // todo: transient
49    private Boolean parentOfCommands;
50  
51    public boolean isParentOfCommands() {
52      if (parentOfCommands == null) {
53        parentOfCommands = false;
54        for (UIComponent child : getChildren()) {
55          if (child.isRendered()
56              && !(child instanceof UIEvent)
57              && (child instanceof UICommand || child instanceof UIInput)) {
58            parentOfCommands = true;
59            break;
60          }
61        }
62      }
63      return parentOfCommands;
64    }
65  
66    @Override
67    public abstract String getLabel();
68  
69    @Override
70    public String getFieldId(final FacesContext facesContext) {
71      if(isParentOfCommands()) {
72        return getClientId(facesContext) + ComponentUtils.SUB_SEPARATOR + "command";
73      } else {
74        return getClientId(facesContext);
75      }
76    }
77  }