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
if ( constraint != null )
		{
			if ( constraint.isNone( ) )
			{
				
				return new Dimension( 0, 0 );
			}
			
			Dimension dimension = constraint.getSize( );
			
			if ( dimension.height <= 0 )
			{
				dimension.height = preferredDimension.height;
			}
			if ( dimension.width <= 0 )
			{
				if (constraint.getMeasure() != 0 && DesignChoiceConstants.UNITS_PERCENTAGE.equals( constraint.getUnits() ))
				{
					dimension.width = (int) constraint.getMeasure() * wHint / 100;
				}
				else
				{
					dimension.width = preferredDimension.width;
				}
			}
			return dimension;
		}
		else
		{