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
015package org.apache.tapestry5.internal.renderers;
016
017import org.apache.tapestry5.EventContext;
018import org.apache.tapestry5.MarkupWriter;
019import org.apache.tapestry5.ioc.annotations.Primary;
020import org.apache.tapestry5.services.ObjectRenderer;
021
022/**
023 * Renders out the values stored inside a {@link EventContext}.
024 */
025public 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}