Bug 157262 Column visibility doesn't work properly in attached report in PDF
Column visibility doesn't work properly in attached report Steps to reproduce: 1.open the attached file 2.preview it in PDF Expected result: Column visibility works well in PDF Actual result: The column visibility of the second and third column of the inner grid in the cell(1,0) doesn't works
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/pdf/PDFTableLM.java
{
					rowSpan = createDropID( groupLevel, dropType );
				}
			}
		}
		for ( int i = cell.getColumn( ); i < cell.getColumn( )
				+ cell.getColSpan( ); i++ )
		{
			if ( currentRowContent[i] == null )
			{
				currentRowContent[i] = new CellWrapper( cell, currentRowID,
						rowSpan );
			}
		}
	}
	
	public boolean isCellVisible( ICellContent cell )
	{
		if ( cell == null )
		{
			return false;
		}
		return currentRowContent[cell.getColumn( )].cell == cell;
	}
	protected void createRoot( )
	{
		root = (ContainerArea) AreaFactory
				.createTableArea( (ITableContent) content );
		root.setWidth( tableWidth );
		if ( !isFirst )