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
cell.cell.setHeight( cell.cell.getHeight( ) + maxHeight - cell.leftHeight );
			}
			currentBP += maxHeight;
		}
	}
	private int createDropID( int groupIndex, String dropType )
	{
		int dropId = -10 * ( groupIndex + 1 );
		if ( "all".equals( dropType ) ) 
		{
			dropId--;
		}
		return dropId;
	}
	/**
	 * start cell update content cache
	 * 
	 * @param cell
	 */
	public void startCell( ICellContent cell )
	{
		int groupLevel = getGroupLevel( );
		int rowSpan = cell.getRowSpan( );
		if ( groupLevel >= 0 )
		{
			CellDesign cellDesign = (CellDesign) cell.getGenerateBy( );
			if ( cellDesign != null )
			{
				String dropType = cellDesign.getDrop( );
				if ( dropType != null && !"none".equals( dropType ) )