View Javadoc

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  package javax.faces.component;
20  
21  import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFComponent;
22  import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFProperty;
23  
24  /**
25   * This tag associates a single SelectItem with the nearest
26   * parent UIComponent. The item represents a single option
27   * for a component such as an h:selectBooleanCheckbox or h:selectOneMenu.
28   * See also component selectItems.
29   * <p>
30   * Unless otherwise specified, all attributes accept static values 
31   * or EL expressions.
32   * </p>
33   * <p>
34   * UISelectItem should be nestetd inside a UISelectMany or UISelectOne component,
35   * and results in  the addition of a SelectItem instance to the list of available options
36   * for the parent component
37   * </p>
38   */
39  @JSFComponent
40  (clazz = "javax.faces.component.UISelectItem",template=true,
41   name = "f:selectItem",
42   tagClass = "org.apache.myfaces.taglib.core.SelectItemTag",
43   bodyContent = "empty")
44  abstract class _UISelectItem extends UIComponentBase
45  {
46  
47    static public final String COMPONENT_FAMILY =
48      "javax.faces.SelectItem";
49    static public final String COMPONENT_TYPE =
50      "javax.faces.SelectItem";
51  
52    /**
53     * Disable this property; although this class extends a base-class that
54     * defines a read/write rendered property, this particular subclass
55     * does not support setting it. Yes, this is broken OO design: direct
56     * all complaints to the JSF spec group.
57     */
58    @JSFProperty(tagExcluded=true)
59    public void setRendered(boolean state) {
60        super.setRendered(state);
61        //call parent method due TCK problems
62        //throw new UnsupportedOperationException();
63    }
64    
65    /**
66     * The initial value of this component.
67     *
68     * @return  the new value value
69     */
70    @JSFProperty
71    public abstract Object getValue();
72  
73    /**
74     * Determine whether this item can be chosen by the user.
75     * When true, this item cannot be chosen by the user. If this method is
76     * ever called, then any EL-binding for the disabled property will be ignored.
77     *
78     * @return  the new itemDisabled value
79     */
80    @JSFProperty(defaultValue="false")
81    public abstract boolean isItemDisabled();
82  
83    /**
84     * The escape setting for the label of this selection item.
85     *
86     * @return  the new itemEscaped value
87     */
88    @JSFProperty(defaultValue="false", jspName="escape")
89    public abstract boolean isItemEscaped();
90  
91    /**
92     * For use in development tools.
93     *
94     * @return  the new itemDescription value
95     */
96    @JSFProperty
97    public abstract String getItemDescription();
98  
99    /**
100    * The string which will be presented to the user for this option.
101    *
102    * @return  the new itemLabel value
103    */
104   @JSFProperty
105   public abstract String getItemLabel();
106 
107   /**
108    * The value for this Item.
109    *
110    * @return  the new itemValue value
111    */
112   @JSFProperty
113   public abstract Object getItemValue();
114 
115 }