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
protected int tableWidth;
	protected CellWrapper[] lastRowContent = null;
	protected CellWrapper[] currentRowContent = null;
	protected RowWrapper lastRow = null;
	protected RowWrapper currentRow = null;
	protected RowArea lastRowArea = null;
	protected TableLayoutInfo layoutInfo = null;
	protected PDFTableRegionLM regionLM = null;
	/**
	 * current row id
	 */
	protected int currentRowID = 0;
	protected int hiddenRowCount = 0;
	protected ITableBandContent currentBand = null;
	protected int repeatRowCount = 0;
	
	protected boolean tablepaginated = false;
	
	protected ITableCloseState pageBreakState;
	
	protected final ITableCloseState FORCED_PAGE_BREAK_STATE = new ForcedPageBreakState();
	
	protected final ITableCloseState AUTO_PAGE_BREAK_STATE = new AutoPageBreakState();
	
	protected final ITableCloseState TABLE_TERMINATED_STATE = new TableTerminatedState();
	protected Stack groupStack = new Stack( );
	
	protected ColumnWidthResolver columnWidthResolver;
	protected int rowCount = 0;
	public PDFTableLM( PDFLayoutEngineContext context, PDFStackingLM parent,