Bug 147676 [regression]Visibility set in the first col will affect the second col
Description: Visibility set in the first col will affect the second col Steps to reproduce: 1. Insert a grid(3*3), insert contents to each cell. 2.Set the first col to hide all in visibility and preview Expected result: Only the first col is hidden. Actual result: The second col is hidden, too. If you set the second col in step2, the third col will disappear.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFTableLM.java
if ( cells[i] != null )
					{
						if ( cells[i].rowSpan != 1 )
						{
							
							dropList.add( new DropCellInfo( emptyCell, 0,
									cells[i].rowSpan ) );
						}
					}
				}
			}
			iter = row.getChildren( );
			while ( iter.hasNext( ) )
			{
				CellArea cell = (CellArea) iter.next( );
				if ( cell.getRowSpan( ) == 1 )
				{
					cell.setHeight( height );
					verticalAlign( cell );
				}
			}
			row.setHeight( height );
		}
	}
	public int getXPos( int columnID )
	{
		if ( layoutInfo != null )
		{
			return layoutInfo.getXPosition( columnID );
		}