Bug 315181 [Automation][Regression]Grid border was messed in PDF
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/nLayout/area/impl/RowArea.java
{
		int col = cell.getColumnID( );
		int colSpan = cell.getColSpan( );
		for ( int i = col; i < col + colSpan; i++ )
		{
			cells[i] = cell;
		}
	}
	public CellArea getCell( int columnID )
	{
		if ( columnID >= 0 && columnID < cells.length )
		{
			return cells[columnID];
		}
		return null;
	}
	public void replace( CellArea origin, CellArea dest )
	{
		int index = children.indexOf( origin );
		if ( index >= 0 )
		{
			children.remove( origin );
			children.add( index, dest );
			dest.setParent( this );
		}
	}
	public void setRowID( int rowID )
	{
		this.rowID = rowID;
	}