001    // Copyright 2004, 2005 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.tapestry.contrib.tree.model;
016    
017    /**
018     * A Tapestry component that provides the current row value. This interface is
019     * used for obtaining the row source by components wrapped by the row source
020     * 
021     * @author tsvetelin
022     */
023    public interface ITreeRowSource
024    {
025    
026        String TREE_ROW_SOURCE_ATTRIBUTE = "org.apache.tapestry.contrib.tree.model.ITreeRowSource";
027    
028        /**
029         * Method getTreeRow.
030         * 
031         * @return Object the current tree row object.
032         */
033        TreeRowObject getTreeRow();
034    }