001    /*
002     * Copyright 2011 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     */
016    package org.kuali.kfs.sys.document.web.renderers;
017    
018    import java.io.IOException;
019    
020    import javax.servlet.jsp.JspException;
021    import javax.servlet.jsp.JspWriter;
022    import javax.servlet.jsp.PageContext;
023    import javax.servlet.jsp.tagext.Tag;
024    
025    /**
026     * Renders the footer of an accounting line table
027     */
028    public class AccountingLineTableFooterRenderer implements Renderer {
029    
030        /**
031         * There's nothing to clear for pooling for this renderer
032         * @see org.kuali.kfs.sys.document.web.renderers.Renderer#clear()
033         */
034        public void clear() {
035            // naught to do
036        }
037    
038        /**
039         * Renders the table footer
040         * @see org.kuali.kfs.sys.document.web.renderers.Renderer#render(javax.servlet.jsp.PageContext, javax.servlet.jsp.tagext.Tag)
041         */
042        public void render(PageContext pageContext, Tag parentTag) throws JspException {
043            JspWriter out = pageContext.getOut();
044            
045            try {
046                out.write(buildTableEnd());
047                out.write(buildKualiElementsNotifier());
048                out.write(buildDivEnd());
049            }
050            catch (IOException ioe) {
051                throw new JspException("Difficulty rendering accounting line table footer", ioe);
052            }
053        }
054    
055        /**
056         * Builds the closing of the table
057         * @return the closing of the table expressed in HTML
058         */
059        protected String buildTableEnd() {
060            return "</table>\n";
061        }
062        
063        /**
064         * Builds the script that figures out all the KualiForm.eleemnts stuff
065         * @return that strange script, expressed in HTML
066         */
067        protected String buildKualiElementsNotifier() {
068            StringBuilder notifier = new StringBuilder();
069            notifier.append("<SCRIPT type=\"text/javascript\">\n");
070            notifier.append("\tvar kualiForm = document.forms['KualiForm'];\n");
071            notifier.append("\tvar kualiElements = kualiForm.elements;\n");
072            notifier.append("</SCRIPT>\n");
073            return notifier.toString();
074        }
075        
076        /**
077         * Builds the close of the tab-container div
078         * @return the close of the div expressed as HTML
079         */
080        protected String buildDivEnd() {
081            return "</div>\n";
082        }
083    }