Bug 165624 Provides UI supports for Highlight rule refer to Style element
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/HighlightRuleBuilder.java
Composite fstyle = new Composite( format, 0 );
		gdata = new GridData( );
		gdata.horizontalSpan = 4;
		fstyle.setLayoutData( gdata );
		fstyle.setLayout( new GridLayout( 4, false ) );
		bold = createToggleButton( fstyle );
		bold.setImage( ReportPlatformUIImages.getImage( AttributeConstant.FONT_WIDTH ) );
		bold.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent e )
			{
				isBoldChanged = true;
				updatePreview( );
			}
		} );
		bold.setToolTipText( Messages.getString( "HighlightRuleBuilderDialog.tooltip.Bold" ) ); 
		italic = createToggleButton( fstyle );
		italic.setImage( ReportPlatformUIImages.getImage( AttributeConstant.FONT_STYLE ) );
		italic.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent e )
			{
				isItalicChanged = true;
				updatePreview( );
			}
		} );
		italic.setToolTipText( Messages.getString( "HighlightRuleBuilderDialog.tooltip.Italic" ) ); 
		underline = createToggleButton( fstyle );
		underline.setImage( ReportPlatformUIImages.getImage( AttributeConstant.TEXT_UNDERLINE ) );
		underline.addSelectionListener( new SelectionAdapter( ) {
			public void widgetSelected( SelectionEvent e )
			{