    001    // Copyright 2008, 2010 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.internal;
    016
    017    import org.apache.tapestry5.services.javascript.JavaScriptSupport;
    018
    019    /**
    020     * Interface that allows an enclosing {@link org.apache.tapestry5.corelib.components.AjaxFormLoop} to work with enclosed
    021     * components such as {@link org.apache.tapestry5.corelib.components.AddRowLink} or
    022     * {@link org.apache.tapestry5.corelib.components.RemoveRowLink}.
    023     */
    024    public interface AjaxFormLoopContext
    025    {
    026        /**
    027         * Adds a clientId to the list of client-side elements that trigger the addition of a new row.
    028         *
    029         * @param clientId
    030         *            unique id (typically via
    031         *            {@link JavaScriptSupport#allocateClientId(org.apache.tapestry5.ComponentResources)})
    032         */
    033        void addAddRowTrigger(String clientId);
    034
    035        /**
    036         * Used by {@link org.apache.tapestry5.corelib.components.RemoveRowLink} to
    037         *
    038         * @param clientId
    039         */
    040        void addRemoveRowTrigger(String clientId);
    041    }