001/*
002 * Copyright 2008 The Kuali Foundation
003 * 
004 * Licensed under the Educational Community License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 * 
008 * http://www.opensource.org/licenses/ecl2.php
009 * 
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.kuali.ole.sys.document.web;
017
018/**
019 * Interface that declares extra methods needed for renderable elements that have headers
020 */
021public interface TableJoiningWithHeader extends TableJoining {
022    /**
023     * Returns the property of the accounting line business object that can be used to find the label for the given renderable element
024     * @param renderingContext the context the header will be rendered to
025     * @return the property to lookup the label in the data dictionary
026     */
027    public abstract HeaderLabel createHeaderLabel();
028    
029    /**
030     * Will this table joining element actually end up hidden?  Then we best not create a header cell for it
031     * @return true if the table joiner will be hidden, false otherwise - in which case a header cell will be rendered
032     */
033    public abstract boolean isHidden();
034}