/**

  * 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.widgets.list.impl;

 import java.util.ArrayList;

 import java.util.HashMap;

 import java.util.List;

 import java.util.Map;

 import org.kuali.student.common.ui.client.widgets.list.ListItems;

 public class SimpleListItems implements ListItems {

         HashMap<String,String> items = new HashMap<String,String>();

         HashMap<String,HashMap<String,String>> attributes = new HashMap<String,HashMap<String,String>>();

         public void addItem(String id, String value){

                 items.put(id, value);

         }

         public void addAttribute(String itemId, String attrKey, String value){

                 HashMap<String,String> attributeMap = attributes.get(itemId);

                 if(attributeMap==null){

                         attributeMap = new HashMap<String,String>();

                         attributes.put(itemId, attributeMap);

                 }

                 attributeMap.put(attrKey, value);

         }

         @Override

         public List<String> getAttrKeys() {

                 ArrayList<String> attrKeys = new ArrayList<String>();

                 for(Map.Entry<String,HashMap<String,String>> attributeEntry:attributes.entrySet()){

                         attrKeys.addAll(attributeEntry.getValue().keySet());

                 }

                 return attrKeys;

         }

         @Override

         public String getItemAttribute(String id, String attrkey) {

                 return attributes.get("id").get("attrkey");

         }

         @Override

         public int getItemCount() {

                 return items.size();

         }

         @Override

         public List<String> getItemIds() {

                 return new ArrayList<String>(items.keySet());

         }

         @Override

         public String getItemText(String id) {

                 return items.get(id);

         }

         public void clear(){

                 items.clear();

                 attributes.clear();

         }

 }