Bug 390669 [Accessibility]Press 'Tab' doesn't focus on the next report item when adding relative period aggregation.
xtab/org.eclipse.birt.report.item.crosstab.ui/src/org/eclipse/birt/report/item/crosstab/internal/ui/dialogs/CrosstabBindingDialogHelper.java
}
					}
				}
			}
			else
			{
				if ( txtExpression != null && !txtExpression.isDisposed( ) )
				{
					ExpressionButtonUtil.initExpressionButtonControl( txtExpression,
							binding,
							ComputedColumn.EXPRESSION_MEMBER );
				}
			}
		}
	}
	private void setName( String name )
	{
		if ( name != null && txtName != null )
			txtName.setText( name );
	}
	private void setDisplayName( String displayName )
	{
		if ( displayName != null && txtDisplayName != null )
			txtDisplayName.setText( displayName );
	}
	private void setDisplayNameID( String displayNameID )
	{
		if ( displayNameID != null && txtDisplayNameID != null )
			txtDisplayNameID.setText( displayNameID );
	}