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
super( context, parent, content, emitter, executor );
		tableContent = (ITableContent) content;
		repeatHeader = tableContent.isHeaderRepeat( );
		columnNumber = tableContent.getColumnCount( );
		lastRowContent = new CellWrapper[columnNumber];
		currentRowContent = new CellWrapper[columnNumber];
	}
	public int getRepeatCount( )
	{
		return this.repeatRowCount;
	}
	public void setRepeatCount( int repeatRowCount )
	{
		this.repeatRowCount = repeatRowCount;
	}
	protected boolean traverseChildren( )
	{
		repeat( );
		return super.traverseChildren( );
	}
	protected void repeat( )
	{
		addCaption( tableContent.getCaption( ) );
		repeatHeader( );
	}
	public void startGroup( IGroupContent groupContent )
	{
		int groupLevel = groupContent.getGroupLevel( );
		groupStack.push( new Integer( groupLevel ) );
	}