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    }