package org.kuali.ole.krad;
   
   import java.util.List;
   
   import org.kuali.rice.krad.uif.component.Component;
   import org.kuali.rice.krad.uif.container.Group;
   import org.kuali.rice.krad.uif.container.PageGroup;
   
   public class OlePageGroup extends PageGroup {
  
  	private static final long serialVersionUID = 8060450970054897968L;
  
  	@Override
  	public List<? extends Component> getItems() {
  		synchronized (this) {
  			return super.getItems();
  		}
  	}
  
  	/**
  	 * Filters {@link OleComponent} instances based on
  	 * {@link OleComponent#getFilterModelProperty()}, if the current model is
  	 * available.
  	 */
  	@Override
  	protected <T> void copyProperties(T component) {
  		
  		List<? extends Component> srcitems;
  		synchronized (this) {
  			srcitems = getItems();
  			try {
  				// prevent super() from copying items
  				setItems(null);
  				super.copyProperties(component);
  			} finally {
  				setItems(srcitems);
  			}
  		}
  		
  		Group groupCopy = (Group) component;
  		groupCopy.setItems(OleComponentUtils.filterItems(srcitems));
  	}
  
  }