Bug 156157 data item width change cannot be seen in layout
steps to reproduce: - create a report - add a data item - bring up properties - set its width to 1cm or 50%, etc - set its background color to blue - preview in html expected behavior: - data item width change can be seen in both layout and preview actual behavior: - it cannot be seen in layout
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/layout/ReportFlowLayout.java
return minorAlignment;
	}
	/**
	 * Returns the spacing to be used between children within a row/column.
	 * 
	 * @return the minor spacing
	 */
	public int getMinorSpacing( )
	{
		return minorSpacing;
	}
	private Insets getFigureMargin( IFigure f )
	{
	    ReportItemConstraint constraint = (ReportItemConstraint) getConstraint( f );
	    Insets margin = INSETS_SINGLETON;
	    if ( constraint != null )
	        margin = constraint.getMargin( );
	    
	    if ( ( margin == null || margin == INSETS_SINGLETON ) &&	f instanceof IReportElementFigure )
		{
			margin =  ( (IReportElementFigure) f ).getMargin( );
		}
		
		return margin;
	}
	/**
	 * Initializes the state of row data, which is internal to the layout
	 * process.
	 */
	private void initRow( )