    001// Copyright 2006, 2007, 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.mixins;
    016
    017import org.apache.tapestry5.Field;
    018import org.apache.tapestry5.MarkupWriter;
    019import org.apache.tapestry5.annotations.InjectContainer;
    020import org.apache.tapestry5.annotations.MixinAfter;
    021
    022/**
    023 * Renders an "disabled" attribute if the containing component {@link Field#isDisabled() is disabled}.
    024 *
    025 * @tapestrydoc
    026 */
    027@MixinAfter
    028public class RenderDisabled
    029{
    030    @InjectContainer
    031    private Field field;
    032
    033    void beginRender(MarkupWriter writer)
    034    {
    035        if (field.isDisabled())
    036            writer.attributes("disabled", "disabled");
    037    }
    038}