Bug 135840 "Value of this data item" selection in map and highlight is no effect
Details: "Value of this data item" selection in map and highlight is no effect Step: 1. New a datasource and dataset 2. Add a table and binding all the column. 3. Add a data item in detail row. 4. Add a map of the data item. Select the value and open the list. Select "Value of this data item" Actual result: No effect when select this selection
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/HighlightRuleBuilder.java
previewLabel.setText( Messages.getString( "HighlightRuleBuilderDialog.text.PreviewContent" ) ); 
		gdata = new GridData( GridData.FILL_BOTH );
		previewLabel.setLayoutData( gdata );
		updatePreview( );
		lb = new Label( innerParent, SWT.SEPARATOR | SWT.HORIZONTAL );
		lb.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
		syncViewProperties( );
		updatePreview( );
		updateButtons( );
		return composite;
	}
	private Composite createTitleArea( Composite parent )
	{
		int margins = 2;
		final Composite titleArea = new Composite( parent, SWT.NONE );
		FormLayout layout = new FormLayout( );
		layout.marginHeight = margins;
		layout.marginWidth = margins;
		titleArea.setLayout( layout );
		Display display = parent.getDisplay( );
		Color background = JFaceColors.getBannerBackground( display );
		GridData layoutData = new GridData( GridData.FILL_HORIZONTAL );
		layoutData.heightHint = 20 + ( margins * 3 );
		titleArea.setLayoutData( layoutData );
		titleArea.setBackground( background );
		titleArea.addPaintListener( new PaintListener( ) {
			public void paintControl( PaintEvent e )
			{
				e.gc.setForeground( titleArea.getDisplay( )
						.getSystemColor( SWT.COLOR_WIDGET_NORMAL_SHADOW ) );