/*

  * Copyright 2011 The Kuali Foundation

  *

  * Licensed under the Educational Community License, Version 1.0 (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/ecl1.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.krms.impl.ui;

 import java.util.List;

 import org.kuali.rice.core.util.Node;

 import org.kuali.rice.core.util.Tree;

 import org.kuali.rice.krad.bo.PersistableBusinessObjectBase;

 import org.kuali.rice.krms.impl.repository.AgendaBo;

 import org.kuali.rice.krms.impl.repository.AgendaItemBo;

 import org.kuali.rice.krms.impl.repository.ContextBo;

 /**

  * BO for the KRMS agenda editor

  * 

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

  *

  */

 // TODO: this is not a document, rename?

 public class AgendaEditor extends PersistableBusinessObjectBase {

         private static final long serialVersionUID = 1L;

         private ContextBo context;

         private AgendaBo agenda;

         private AgendaItemBo agendaItemAddLine;

         private void addAgendaItemAndChildren(Node<AgendaTreeNode, String> parent, AgendaItemBo agendaItem) {

             Node<AgendaTreeNode, String> child = new Node<AgendaTreeNode, String>();

             child.setNodeLabel(agendaItem.getRuleText());

             child.setNodeType("agendaNode ruleNode");

             child.setData(new AgendaTreeRuleNode(agendaItem));

             parent.getChildren().add(child);

             // deal with peer nodes:

             if (agendaItem.getAlways() != null) addAgendaItemAndChildren(parent, agendaItem.getAlways());

             // deal with child nodes:

             if (agendaItem.getWhenTrue() != null) {

                 Node<AgendaTreeNode, String> whenTrue = new Node<AgendaTreeNode, String>();

                 whenTrue.setNodeLabel("When TRUE");

                 whenTrue.setNodeType("agendaNode logicNode whenTrueNode");

                 whenTrue.setData(new AgendaTreeLogicNode());

                 child.getChildren().add(whenTrue);

                 addAgendaItemAndChildren(whenTrue, agendaItem.getWhenTrue());

             }

         if (agendaItem.getWhenFalse() != null) {

             Node<AgendaTreeNode, String> whenFalse = new Node<AgendaTreeNode, String>();

             whenFalse.setNodeLabel("When FALSE");

             whenFalse.setNodeType("agendaNode logicNode whenFalseNode");

             whenFalse.setData(new AgendaTreeLogicNode());

             child.getChildren().add(whenFalse);

             addAgendaItemAndChildren(whenFalse, agendaItem.getWhenFalse());

         }

         }

     public Tree<? extends AgendaTreeNode, String> getAgendaRuleTree() {

         Tree<AgendaTreeNode, String> agendaTree = new Tree<AgendaTreeNode, String>();

         Node<AgendaTreeNode, String> rootNode = new Node<AgendaTreeNode, String>();

         agendaTree.setRootElement(rootNode);

         if (agenda != null) {

             String firstItemId = agenda.getFirstItemId();

             List<AgendaItemBo> items = agenda.getItems();

             AgendaItemBo firstItem = null;

             if (items != null && firstItemId != null) {

                 for (AgendaItemBo item : items) {

                     if (firstItemId.equals(item.getId())) {

                         firstItem = item;

                         break;

                     }

                 }

             }

             if (firstItem != null) addAgendaItemAndChildren(rootNode, firstItem);

         } 

         return agendaTree;

     }        

         /**

      * @return the agendaItemAddLine

      */

     public AgendaItemBo getAgendaItemAddLine() {

         return this.agendaItemAddLine;

     }

     /**

      * @param agendaItemAddLine the agendaItemAddLine to set

      */

     public void setAgendaItemAddLine(AgendaItemBo agendaItemAddLine) {

         this.agendaItemAddLine = agendaItemAddLine;

     }

     /**

          * @return the context

          */

         public ContextBo getContext() {

                 return this.context;

         }

         /**

          * @param context the context to set

          */

         public void setContext(ContextBo context) {

                 this.context = context;

         }

         /**

          * @return the agenda

          */

         public AgendaBo getAgenda() {

                 return this.agenda;

         }

         /**

          * @param agenda the agenda to set

          */

         public void setAgenda(AgendaBo agenda) {

                 this.agenda = agenda;

         }

 }