    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
    015    package org.apache.tapestry5.corelib.mixins;
    016
    017    import org.apache.tapestry5.BindingConstants;
    018    import org.apache.tapestry5.Field;
    019    import org.apache.tapestry5.FieldFocusPriority;
    020    import org.apache.tapestry5.annotations.AfterRender;
    021    import org.apache.tapestry5.annotations.Environmental;
    022    import org.apache.tapestry5.annotations.InjectContainer;
    023    import org.apache.tapestry5.annotations.Parameter;
    024    import org.apache.tapestry5.corelib.components.Form;
    025    import org.apache.tapestry5.ioc.annotations.Inject;
    026    import org.apache.tapestry5.services.javascript.JavaScriptSupport;
    027    import 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     */
    037    public 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    }