    001// Licensed under the Apache License, Version 2.0 (the "License");
    002// you may not use this file except in compliance with the License.
    003// You may obtain a copy of the License at
    004//
    005//     http://www.apache.org/licenses/LICENSE-2.0
    006//
    007// Unless required by applicable law or agreed to in writing, software
    008// distributed under the License is distributed on an "AS IS" BASIS,
    009// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    010// See the License for the specific language governing permissions and
    011// limitations under the License.
    012
    013package org.apache.tapestry5.corelib.mixins;
    014
    015import org.apache.tapestry5.Field;
    016import org.apache.tapestry5.FieldFocusPriority;
    017import org.apache.tapestry5.annotations.AfterRender;
    018import org.apache.tapestry5.annotations.Environmental;
    019import org.apache.tapestry5.annotations.InjectContainer;
    020import org.apache.tapestry5.ioc.annotations.Inject;
    021import org.apache.tapestry5.services.javascript.JavaScriptSupport;
    022import org.slf4j.Logger;
    023
    024/**
    025 * A mixin that let a {@link org.apache.tapestry5.Field} gain focus.
    026 *
    027 * This supersede {@link org.apache.tapestry5.corelib.mixins.FormFieldFocus} in 5.4
    028 *
    029 * @since 5.4
    030 * @tapestrydoc
    031 */
    032public class OverrideFieldFocus
    033{
    034    @Inject
    035    private Logger logger;
    036
    037    /**
    038     * The outer Form
    039     */
    040    @InjectContainer
    041    private Field container;
    042
    043    @Environmental
    044    private JavaScriptSupport javascriptSupport;
    045
    046
    047    @AfterRender
    048    void focusField()
    049    {
    050        javascriptSupport.autofocus(FieldFocusPriority.OVERRIDE, container.getClientId());
    051
    052        logger.trace("Focus OVERRIDE done on field {}", container.getClientId());
    053    }
    054
    055}