Bug 209126 DataException throws out when set highlight condition in sub-report[0302]
Description: Set highlight condition in sub-report, when "select value..." in the highlight dialog, DataException throws out. Build version:2.3.0.v20071108-0800 Steps to reproduce: 1.Get the attached report design file, which contains a sub-report. 2.Select the inner table, and then go to "highlight" tab in the property editor view to set a highlight rule. When click "select value...", DataException throws out. Error: The expression's value can not be retrieved. An error happened in data type conversion. Can not convert the value of org.eclipse.birt.data.engine.script.DataExceptionMocker@79c17b to Integer type.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/HighlightRuleBuilder.java
.getDefaultUnit( ) );
		}
		gdata = new GridData( );
		gdata.widthHint = 200;
		size.setLayoutData( gdata );
		size.setFontSizeValue( null );
		size.addListener( SWT.Modify, new Listener( ) {
			public void handleEvent( Event event )
			{
				updatePreview( );
			}
		} );
		color = new ColorBuilder( format, 0 );
		gdata = new GridData( );
		gdata.widthHint = 50;
		color.setLayoutData( gdata );
		color.setChoiceSet( ChoiceSetFactory.getElementChoiceSet( ReportDesignConstants.STYLE_ELEMENT,
				StyleHandle.COLOR_PROP ) );
		color.setRGB( null );
		color.addListener( SWT.Modify, new Listener( ) {
			public void handleEvent( Event event )
			{
				previewLabel.setForeground( ColorManager.getColor( color.getRGB( ) ) );
				previewLabel.redraw( );
			}
		} );
		Composite fstyle = new Composite( format, 0 );
		gdata = new GridData( );
		gdata.horizontalSpan = 4;
		fstyle.setLayoutData( gdata );