Bug 192791 Lost first row level of xtab after page break in ps and pdf.[1102]
Description: Lost first row level of xtab after page break in ps and pdf. Build number:2.2.0.v20070615 Steps to reproduce: 1. Open attached xtab. 2. Preview in pdf or postscript. 3. check second and the third page. Expected result: The last two level values "Mountain" and "Saddles" display Actual result: The two values in first row level lost. Error log:n/a
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/cache/TableAreaLayout.java
int heightOfEmptyRow = 0;
		for ( int i = 0; i < columnNumber; i++ )
		{
			CellArea cell = row.getCell( start + i );
			if ( cell == null )
				continue;
			IStyle style = cell.getStyle( );
			int bottomBorderWidth = PropertyUtil.getDimensionValue( style
					.getProperty( StyleConstants.STYLE_BORDER_BOTTOM_WIDTH ) );
			int topBorderWidth = PropertyUtil.getDimensionValue( style
					.getProperty( StyleConstants.STYLE_BORDER_TOP_WIDTH ) );
			int heightOfEmptyCell = topBorderWidth + bottomBorderWidth;
			heightOfEmptyRow = Math.max( heightOfEmptyCell, heightOfEmptyRow );
		}
		return heightOfEmptyRow;
	}
	private boolean isEmptyRow( Row row )
	{
		for ( int i = 0; i < columnNumber; i++ )
		{
			CellArea cell = row.getCell( start + i );
			if ( cell != null && !isDropCell( cell )
					&& cell.getChildrenCount( ) > 0 )
			{
				return false;
			}
		}
		return true;
	}
	private boolean isDropCell( CellArea cell )