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