001    // Copyright 2004, 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry.wml;
016    
017    import org.apache.tapestry.link.DefaultLinkRenderer;
018    import org.apache.tapestry.link.ILinkRenderer;
019    
020    /**
021     * Implementation of {@link org.apache.tapestry.link.ILinkRenderer} for the WML
022     * Option element. The value attribute is reserved.
023     * 
024     * @author David Solis
025     * @since 3.0
026     */
027    
028    public class OptionRenderer extends DefaultLinkRenderer
029    {
030    
031        /**
032         * A singleton for the option link.
033         */
034    
035        public static final ILinkRenderer SHARED_INSTANCE = new OptionRenderer();
036    
037        protected String getElement()
038        {
039            return "option";
040        }
041    
042        protected String getUrlAttribute()
043        {
044            return "onpick";
045        }
046    }