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