    001// Copyright 2008, 2010, 2011, 2012 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.corelib.components;
    016
    017import org.apache.tapestry5.ComponentResources;
    018import org.apache.tapestry5.MarkupWriter;
    019import org.apache.tapestry5.annotations.SupportsInformalParameters;
    020import org.apache.tapestry5.ioc.annotations.Inject;
    021
    022/**
    023 * Used inside an {@link org.apache.tapestry5.corelib.components.AjaxFormLoop} component to spur the addition of a new
    024 * row. Triggers a server-side {@linkplain org.apache.tapestry5.EventConstants#ADD_ROW addRow} event on the
    025 * AjaxFormLoop, which must return the newly added object, which will be rendered in the body of the AjaxFormLoop and
    026 * sent to the client web browser.
    027 *
    028 * @tapestrydoc
    029 */
    030@SupportsInformalParameters
    031public class AddRowLink
    032{
    033    @Inject
    034    private ComponentResources resources;
    035
    036    void beginRender(MarkupWriter writer)
    037    {
    038        writer.element("a", "href", "#", "data-afl-trigger", "add");
    039
    040        resources.renderInformalParameters(writer);
    041    }
    042
    043    void afterRender(MarkupWriter writer)
    044    {
    045        writer.end();
    046    }
    047}