/**
    * Copyright 2005-2014 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.krad.uif.lifecycle.initialize;
  
  import java.util.List;
  
  import org.kuali.rice.krad.uif.component.Component;
  import org.kuali.rice.krad.uif.component.PropertyReplacer;
  import org.kuali.rice.krad.uif.lifecycle.ViewLifecycle;
  import org.kuali.rice.krad.uif.lifecycle.ViewLifecycleTaskBase;
  import org.kuali.rice.krad.uif.modifier.ComponentModifier;
  
  /**
   * Populate property values on the all property replacers and component modifiers from the
   * expression graph.
   *
   * @author Kuali Rice Team (rice.collab@kuali.org)
   */
  public class PopulateReplacersAndModifiersFromExpressionGraphTask extends ViewLifecycleTaskBase<Component> {
  
      /**
       * Default constructor.
       */
      public PopulateReplacersAndModifiersFromExpressionGraphTask() {
          super(Component.class);
      }
  
  
      /**
       * {@inheritDoc}
       */
      @Override
      protected void performLifecycleTask() {
          Component component = (Component) getElementState().getElement();
  
          // move expressions on property replacers and component modifiers
          List<PropertyReplacer> componentPropertyReplacers = component.getPropertyReplacers();
          if (componentPropertyReplacers != null) {
              for (PropertyReplacer replacer : componentPropertyReplacers) {
                  ViewLifecycle.getExpressionEvaluator().populatePropertyExpressionsFromGraph(replacer, true);
              }
          }
  
          List<ComponentModifier> componentModifiers = component.getComponentModifiers();
          if (componentModifiers != null) {
              for (ComponentModifier modifier : component.getComponentModifiers()) {
                  ViewLifecycle.getExpressionEvaluator().populatePropertyExpressionsFromGraph(modifier, true);
              }
          }
      }
  
  }