Bug 188027 PasteAction is diabled
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/DesignElementHandle.java
case IPropertyType.LIST_TYPE :
				assert value instanceof List;
				List valueList = (List) value;
				PropertyHandle propHandle = targetHandle
						.getPropertyHandle( propName );
				for ( int i = 0; i < valueList.size( ); i++ )
				{
					Object item = valueList.get( i );
					if ( propDefn.getSubTypeCode( ) != IPropertyType.ELEMENT_REF_TYPE )
						propHandle.addItem( item );
					else
					{
						assert item instanceof ElementRefValue;
						refValue = (ElementRefValue) item;
						if ( refValue.isResolved( ) )
						{
							propHandle.addItem( refValue.getElement( ) );
						}
						else
						{
							propHandle.addItem( refValue
									.getQualifiedReference( ) );
						}
					}
				}
				break;
			default :
				targetHandle.setProperty( propName, value );
		}
	}