/**
    * 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.configurable.mvc.multiplicity.MultiplicityItem;
  import org.kuali.student.common.ui.client.configurable.mvc.sections.Section;
  import org.kuali.student.common.ui.client.configurable.mvc.sections.SectionBinding;
  import org.kuali.student.common.ui.client.mvc.DataModel;
  import org.kuali.student.r1.common.assembly.data.QueryPath;
  
  import com.google.gwt.core.client.GWT;
  import com.google.gwt.user.client.ui.Widget;
  
  /**
   * This binding simply adds an index key to the multiplicity item's parent path and then calls the binding ModelWidgetBinding
   * of the underlying multiplicity item's widget.
   * 
   * @author Kuali Student Team
   */
  
  /**
   * @deprecated
   */
  public class MultiplicityItemBinding extends ModelWidgetBindingSupport<MultiplicityItem> {
      public static MultiplicityItemBinding INSTANCE = new MultiplicityItemBinding();
  
      protected static final String RT_CREATED = "_runtimeData" + QueryPath.getPathSeparator() + "created";
      protected static final String RT_UPDATED = "_runtimeData" + QueryPath.getPathSeparator() + "updated";
      protected static final String RT_DELETED = "_runtimeData" + QueryPath.getPathSeparator() + "deleted";
  
      private MultiplicityItemBinding() {};
  
      /**
       * @see org.kuali.student.common.ui.client.configurable.mvc.binding.ModelWidgetBindingSupport#setModelValue(java.lang.Object,
       *      org.kuali.student.common.ui.client.mvc.DataModel, java.lang.String)
       */
      @Override
      public void setModelValue(MultiplicityItem multiplicityItem, DataModel model, String path) {
          // TODO modify this method to use QueryPath.add to build paths, rather than string manipulation
          String itemPath = path + QueryPath.getPathSeparator() + multiplicityItem.getItemKey();
      	String mutiRuntimePath = itemPath;
          Widget widget = multiplicityItem.getItemWidget();
          if (widget instanceof Section) {
          	itemPath = "";
              SectionBinding.INSTANCE.setModelValue((Section) widget, model, itemPath);
          } else if (widget instanceof ModelWidgetBinding) {
              ((ModelWidgetBinding) widget).setModelValue(widget, model, path);
          } else {
              GWT.log(itemPath + " has no widget binding.", null);
          }
  
          // Multiplicity metadata?
         QueryPath qPath;
          if (multiplicityItem.isCreated()) {
              qPath = QueryPath.parse(mutiRuntimePath + QueryPath.getPathSeparator() + RT_CREATED);
          } else if (multiplicityItem.isDeleted()) {
              qPath = QueryPath.parse(mutiRuntimePath + QueryPath.getPathSeparator() + RT_DELETED);
          } else {
              qPath = QueryPath.parse(mutiRuntimePath + QueryPath.getPathSeparator() + RT_UPDATED);
          }
          try {
              Boolean oldValue = model.get(qPath);
              Boolean newValue = true;
              if (!nullsafeEquals(oldValue, newValue)) {
                  model.set(qPath, newValue);
                  setDirtyFlag(model, qPath);
              }
          } catch (java.lang.IllegalArgumentException e) {
              // model.get(qPath) will throw this exception if there is no such path
              GWT.log("Warning: Ignoring error attempting to setValue for " + widget.getClass().getName() + " path: " + qPath, e);
          }
  
      }
  
      /**
       * @see org.kuali.student.common.ui.client.configurable.mvc.binding.ModelWidgetBindingSupport#setWidgetValue(java.lang.Object,
       *      org.kuali.student.common.ui.client.mvc.DataModel, java.lang.String)
       */
      @Override
      public void setWidgetValue(MultiplicityItem multiplicityItem, DataModel model, String path) {
  //        String itemPath = path + QueryPath.getPathSeparator() + multiplicityItem.getItemKey();
          String itemPath ="";
          Widget widget = multiplicityItem.getItemWidget();
          if (widget instanceof Section) {
              SectionBinding.INSTANCE.setWidgetValue((Section) widget, model, itemPath);
          } else if (widget instanceof ModelWidgetBinding) {
             ((ModelWidgetBinding) widget).setWidgetValue(widget, model, path);
         } else {
             GWT.log(itemPath + " has no widget binding.", null);
         }
 
         multiplicityItem.setCreated(false);
         multiplicityItem.setCreated(false);
     }
     
     
 }