/**

  * Copyright 2005-2011 The Kuali Foundation

  *

  * Licensed under the Educational Community License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  * http://www.opensource.org/licenses/ecl2.php

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package org.kuali.rice.edl.impl.components;

 import org.kuali.rice.edl.impl.EDLContext;

 import org.kuali.rice.edl.impl.EDLModelComponent;

 import org.kuali.rice.edl.impl.EDLXmlUtils;

 import org.kuali.rice.edl.impl.RequestParser;

 import org.kuali.rice.kew.api.WorkflowDocument;

 import org.w3c.dom.Document;

 import org.w3c.dom.Element;

 import org.w3c.dom.Node;

 /**

  * This class makes xml for the instructions template of widgets.  Processes config elements

  * instructions and createInstructions.

  * 

  * @author Kuali Rice Team (rice.collab@kuali.org)

  *

  */

 public class InstructionsEDLComponent implements EDLModelComponent {

         public void updateDOM(Document dom, Element configElement, EDLContext edlContext) {

                 Element edlElement = EDLXmlUtils.getEDLContent(dom, false);

                 Element edlSubElement = EDLXmlUtils.getOrCreateChildElement(edlElement, "edl", true);

                 WorkflowDocument document = (WorkflowDocument)edlContext.getRequestParser().getAttribute(RequestParser.WORKFLOW_DOCUMENT_SESSION_KEY);

                 edlSubElement.setAttribute("title", document.getTitle());

                 if(configElement.getTagName().equals("instructions")) {

                         Node instTextNode = configElement.getChildNodes().item(0);

                         if (instTextNode == null) {

                                 return ;

                         }

                         String instructions = instTextNode.getNodeValue(); 

                         EDLXmlUtils.createTextElementOnParent(edlSubElement, "instructions", instructions);

                         edlElement.setAttribute("title", instructions);        

                 } else if (configElement.getTagName().equals("createInstructions")) {

                         Node instTextNode = configElement.getChildNodes().item(0);

                         if (instTextNode == null) {

                                 return ;

                         }

                         String instructions = instTextNode.getNodeValue();

                         EDLXmlUtils.createTextElementOnParent(edlSubElement, "createInstructions", instructions);        

                 }

         }

 }