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
TableBandDesign footer = createTableBand( handle.getFooter( ) );
			footer.setBandType( TableBandDesign.GROUP_FOOTER );
			footer.setGroup( tableGroup );
			tableGroup.setFooter( footer );
		}
		
		boolean hideDetail = handle.hideDetail( );
		tableGroup.setHideDetail( hideDetail );
		
		currentElement = tableGroup;
	}
	public void visitTextItem( TextItemHandle handle )
	{
		
		TextItemDesign textItem = new TextItemDesign( );
		setupReportItem( textItem, handle );
		String contentType = handle.getContentType( );
		if ( contentType != null )
		{
			textItem.setTextType( contentType );
		}
		textItem.setText( handle.getContentKey( ), handle.getContent( ) );
		
		currentElement = textItem;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.birt.report.model.api.DesignVisitor#visitExtendedItem(org.eclipse.birt.report.model.api.ExtendedItemHandle)
	 */