    001// Copyright (c) 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.BindingConstants;
    018import org.apache.tapestry5.Field;
    019import org.apache.tapestry5.FieldFocusPriority;
    020import org.apache.tapestry5.annotations.AfterRender;
    021import org.apache.tapestry5.annotations.Environmental;
    022import org.apache.tapestry5.annotations.InjectContainer;
    023import org.apache.tapestry5.annotations.Parameter;
    024import org.apache.tapestry5.corelib.components.Form;
    025import org.apache.tapestry5.ioc.annotations.Inject;
    026import org.apache.tapestry5.services.javascript.JavaScriptSupport;
    027import org.slf4j.Logger;
    028
    029/**
    030 * A mixin that let a {@link org.apache.tapestry5.Field} gain focus.
    031 * <p/>
    032 * This supersede {@link org.apache.tapestry5.corelib.mixins.FormFieldFocus} in 5.4
    033 *
    034 * @since 5.4
    035 * @tapestrydoc
    036 */
    037public class OverrideFieldFocus
    038{
    039    @Inject
    040    private Logger logger;
    041
    042    /**
    043     * The outer Form
    044     */
    045    @InjectContainer
    046    private Field container;
    047
    048    @Environmental
    049    private JavaScriptSupport javascriptSupport;
    050
    051
    052    @AfterRender
    053    void focusField()
    054    {
    055        javascriptSupport.autofocus(FieldFocusPriority.OVERRIDE, container.getClientId());
    056
    057        logger.trace("Focus OVERRIDE done on field {}", container.getClientId());
    058    }
    059
    060}