/**

  * Copyright 2010 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.osedu.org/licenses/ECL-2.0

  *

  * 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.student.common.ui.client.configurable.mvc.binding;

 import org.kuali.student.common.ui.client.mvc.DataModel;

 import org.kuali.student.common.ui.client.widgets.RichTextEditor;

 import org.kuali.student.core.assembly.data.QueryPath;

 /**

  * Sets to and from model data that is marked as rich text (it has plain and formatted text in the model)

  * 

  * @author Kuali Student Team

  *

  */

 public class RichTextBinding extends ModelWidgetBindingSupport<RichTextEditor> {

     public static RichTextBinding INSTANCE = new RichTextBinding();

     private RichTextBinding() {}

     @Override

     public void setModelValue(RichTextEditor object, DataModel model, String path) {

         String richTextRoot = path + QueryPath.getPathSeparator();

         QueryPath qPath = QueryPath.parse(richTextRoot + "plain");

         String oldValue = model.get(qPath);

         String newValue = object.getText();

         if (!nullsafeEquals(oldValue, newValue)) {

             model.set(qPath, newValue);

             setDirtyFlag(model, qPath);

         }

         qPath = QueryPath.parse(richTextRoot + "formatted");

         oldValue = model.get(qPath);

         newValue = object.getHTML();

         if (!nullsafeEquals(oldValue, newValue)) {

             model.set(qPath, newValue);

             setDirtyFlag(model, qPath);

         }

         // TODO: Should these defaults be set in server assembly defaults?

         // Commenting type and state as it is not required for rich text

         // qPath = QueryPath.parse(richTextRoot + "type");

         // model.set(qPath, "kuali.not.applicable");

         //        

         // qPath = QueryPath.parse(richTextRoot + "state");

         // model.set(qPath, "(n/a)");

     }

     @Override

     public void setWidgetValue(RichTextEditor object, DataModel model, String path) {

         String richTextRoot = path + QueryPath.getPathSeparator();

         QueryPath qPath = QueryPath.parse(richTextRoot + "plain");

         String formatted = model.get(qPath);

         qPath = QueryPath.parse(richTextRoot + "formatted");

         String plain = model.get(qPath);

         if (formatted != null) {

             object.setHTML(formatted);

         } else if (plain != null) {

             object.setText(plain);

         } else {

             object.setHTML("");

         }

     }

 }