001// Copyright 2008, 2010, 2011 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.Environmental;
020import org.apache.tapestry5.annotations.SupportsInformalParameters;
021import org.apache.tapestry5.corelib.internal.AjaxFormLoopContext;
022import org.apache.tapestry5.ioc.annotations.Inject;
023
024/**
025 * Used inside a {@link org.apache.tapestry5.corelib.components.AjaxFormLoop} to remove the current row from the loop.
026 * This fires a server-side event (from the AjaxFormLoop component); the event context is the object to be removed. On
027 * the client-side, the element for the row is hidden, then removed altogether.
028 *
029 * @tapestrydoc
030 */
031@SupportsInformalParameters
032public class RemoveRowLink
033{
034    @Inject
035    private ComponentResources resources;
036
037    @Environmental
038    private AjaxFormLoopContext context;
039
040    void beginRender(MarkupWriter writer)
041    {
042        writer.element("a",
043
044                "href", "#",
045
046                "data-afl-behavior", "remove",
047
048                "data-afl-row-value", context.encodedRowValue());
049
050        resources.renderInformalParameters(writer);
051    }
052
053    void afterRender(MarkupWriter writer)
054    {
055        writer.end();
056    }
057}