/**
    * Copyright 2005-2013 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.krms.util;
  
  import org.apache.commons.lang.StringUtils;
  import org.kuali.rice.krad.datadictionary.parse.BeanTagAttribute;
  import org.kuali.rice.krad.uif.UifConstants;
  import org.kuali.rice.krad.uif.component.BindingInfo;
  import org.kuali.rice.krad.uif.component.Component;
  import org.kuali.rice.krad.uif.container.CollectionGroup;
  import org.kuali.rice.krad.uif.container.Group;
  import org.kuali.rice.krad.uif.container.GroupBase;
  import org.kuali.rice.krad.uif.field.DataField;
  import org.kuali.rice.krad.uif.lifecycle.ViewLifecycle;
  import org.kuali.rice.krad.uif.lifecycle.ViewLifecycleRestriction;
  import org.kuali.rice.krad.uif.lifecycle.ViewLifecycleUtils;
  import org.kuali.rice.krad.uif.util.LifecycleElement;
  import org.kuali.rice.krad.uif.util.ObjectPropertyUtils;
  import org.kuali.rice.krad.uif.view.View;
  import org.kuali.rice.krms.dto.AgendaEditor;
  import org.kuali.rice.krms.service.RuleViewHelperService;
  
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * @author Kuali Student Team
   */
  public class AgendaSection extends GroupBase {
  
      private String propertyName;
      private BindingInfo bindingInfo;
  
      private Group agendaPrototype;
      private Group rulePrototype;
  
      private AgendaBuilder agendaBuilder;
  
      public AgendaSection(){
          super();
      }
  
      @Override
      public void performInitialization(Object model) {
          setFieldBindingObjectPath(getBindingInfo().getBindingObjectPath());
  
          super.performInitialization(model);
  
          View view = ViewLifecycle.getView();
  
          if (bindingInfo != null) {
              bindingInfo.setDefaults(view, getPropertyName());
          }
  
          setCollectionPath();
  
      }
  
      protected void setCollectionPath() {
          // set static collection path on items
          String collectionPath = "";
          if (StringUtils.isNotBlank(getBindingInfo().getCollectionPath())) {
              collectionPath += getBindingInfo().getCollectionPath() + ".";
          }
          if (StringUtils.isNotBlank(getBindingInfo().getBindByNamePrefix())) {
              collectionPath += getBindingInfo().getBindByNamePrefix() + ".";
          }
          collectionPath += getBindingInfo().getBindingName();
  
          List<DataField> agendafields = ViewLifecycleUtils.getElementsOfTypeDeep(agendaPrototype, DataField.class);
          for (DataField collectionField : agendafields) {
              collectionField.getBindingInfo().setCollectionPath(collectionPath);
          }
  
          List<DataField> rulefields = ViewLifecycleUtils.getElementsOfTypeDeep(rulePrototype, DataField.class);
          for (DataField collectionField : rulefields) {
              collectionField.getBindingInfo().setCollectionPath(collectionPath);
          }
      }
  
      @Override
      public void performApplyModel(Object model, LifecycleElement parent) {
          // get the collection for this group from the model
          List<Object> modelCollection = ObjectPropertyUtils.getPropertyValue(model,
                  this.getBindingInfo().getBindingPath());
          if (null == modelCollection)
         {
             modelCollection = new ArrayList<Object>();
         }
         View view = ViewLifecycle.getView();
 
         //Set the ruleviewhelperservice on the agendabuilder.
         this.getAgendaBuilder().setViewHelperService((RuleViewHelperService) view.getViewHelperService());
 
         // create agenda sections for each agenda
         List<Component> items = new ArrayList<Component>();
         for (int index = 0; index < modelCollection.size(); index++) {
             AgendaEditor agenda = (AgendaEditor) modelCollection.get(index);
             items.add(this.getAgendaBuilder().buildAgenda(agenda, index, this));
         }
         this.setItems(items);
 
         super.performApplyModel(model, parent);
     }
 
 
     public AgendaBuilder getAgendaBuilder() {
         if (this.agendaBuilder == null) {
             this.agendaBuilder = new AgendaBuilder();
         }
         return this.agendaBuilder;
     }
 
     public String getPropertyName() {
         return propertyName;
     }
 
     public void setPropertyName(String propertyName) {
         this.propertyName = propertyName;
     }
 
     public BindingInfo getBindingInfo() {
         return bindingInfo;
     }
 
     public void setBindingInfo(BindingInfo bindingInfo) {
         this.bindingInfo = bindingInfo;
     }
 
     @ViewLifecycleRestriction(UifConstants.ViewPhases.INITIALIZE)
     @BeanTagAttribute(name = "agendaPrototype", type = BeanTagAttribute.AttributeType.SINGLEBEAN)
     public Group getAgendaPrototype() {
         return agendaPrototype;
     }
 
     public void setAgendaPrototype(Group agendaPrototype) {
         this.agendaPrototype = agendaPrototype;
     }
 
     @ViewLifecycleRestriction(UifConstants.ViewPhases.INITIALIZE)
     @BeanTagAttribute(name = "rulePrototype", type = BeanTagAttribute.AttributeType.SINGLEBEAN)
     public Group getRulePrototype() {
         return rulePrototype;
     }
 
     public void setRulePrototype(Group rulePrototype) {
         this.rulePrototype = rulePrototype;
     }
 }