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/parser/EngineIRVisitor.java
cell.addContent( (ReportItemDesign) currentElement );
			}
		}
		
		
		
		cell.setColSpan( handle.getColumnSpan( ) );
		int columnId = handle.getColumn( ) - 1;
		if ( columnId < 0 )
		{
			columnId = -1;
		}
		cell.setColumn( columnId );
		
		cell.setRowSpan( handle.getRowSpan( ) );
		cell.setDrop( handle.getDrop( ) );
		String onCreate = handle.getOnCreate( );
		cell.setOnCreate( createExpression( onCreate ) );
		cell.setOnRender( handle.getOnRender( ) );
		setHighlight( cell, null );
		
		currentElement = cell;
	}
	/**
	 * create a list band using the items in slot.
	 * 
	 * @param elements
	 *            items in DE's IR
	 * @return ListBand.
	 */