001    // Copyright 2008 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.tapestry5.internal.renderers;
016    
017    import org.apache.tapestry5.EventContext;
018    import org.apache.tapestry5.MarkupWriter;
019    import org.apache.tapestry5.ioc.annotations.Primary;
020    import org.apache.tapestry5.services.ObjectRenderer;
021    
022    /**
023     * Renders out the values stored inside a {@link EventContext}.
024     */
025    public class EventContextRenderer implements ObjectRenderer<EventContext>
026    {
027        private final ObjectRenderer masterRenderer;
028    
029        public EventContextRenderer(@Primary ObjectRenderer masterRenderer)
030        {
031            this.masterRenderer = masterRenderer;
032        }
033    
034    
035        public void render(EventContext object, MarkupWriter writer)
036        {
037            int count = object.getCount();
038    
039            if (count == 0) return;
040    
041            writer.element("ul", "class", "t-data-list");
042    
043            for (int i = 0; i < count; i++)
044            {
045                writer.element("li");
046    
047                masterRenderer.render(object.get(Object.class, i), writer);
048    
049                writer.end();
050            }
051    
052            writer.end();
053        }
054    }