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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.Attributes;
23  import org.apache.myfaces.tobago.component.Visual;
24  
25  import javax.el.ValueExpression;
26  import javax.faces.component.UISelectBoolean;
27  import javax.faces.component.behavior.ClientBehaviorHolder;
28  import javax.faces.context.FacesContext;
29  
30  /**
31   * {@link org.apache.myfaces.tobago.internal.taglib.component.TreeSelectTagDeclaration}
32   */
33  public abstract class AbstractUITreeSelect extends UISelectBoolean implements Visual, ClientBehaviorHolder {
34  
35    @Override
36    public void updateModel(final FacesContext context) {
37      super.updateModel(context);
38    }
39  
40    /**
41     * The value is stored in the state of the parent UITree, if the value attribute has not a value expression.
42     * The value is stored normally, if there is a value expression.
43     * @return Is the value stored in the state of the UITree parent object?
44     */
45    public boolean isValueStoredInState() {
46      final ValueExpression valueExpression = getValueExpression(Attributes.value.getName());
47      return valueExpression == null;
48    }
49  }