Bug 146159 [Regression]Changing font operation doesn't work other than the first time
Description: The first time changing operation can work well. However, Change it again, it won't work. Steps: 1.Insert lable/text to layout or master page 2.Change the font from serif to cursive, it works well 3.Change the font again Result: The action doesn't work Additional infor: build number:200606080632
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/HighlightRuleBuilder.java
bounds.width = bounds.width - 1;
				e.gc.drawRectangle( bounds );
			}
		} );
		Label label = new Label( titleArea, SWT.NONE );
		label.setBackground( background );
		label.setFont( FontManager.getFont( label.getFont( ).toString( ),
				10,
				SWT.BOLD ) );
		label.setText( Messages.getString( "HighlightRuleBuilderDialog.text.Title" ) ); 
		UIUtil.bindHelp( parent,IHelpContextIds.HIGHLIGHT_RULE_BUILDER_ID );
		return titleArea;
	}
	private Composite createDummy( Composite parent, int colSpan )
	{
		Composite dummy = new Composite( parent, SWT.NONE );
		GridData gdata = new GridData( );
		gdata.widthHint = 22;
		gdata.horizontalSpan = colSpan;
		gdata.heightHint = 10;
		dummy.setLayoutData( gdata );
		return dummy;
	}
	private Button createToggleButton( Composite parent )
	{
		Composite wrapper = new Composite( parent, 0 );
		GridLayout layout = new GridLayout( );
		layout.marginWidth = 0;
		layout.horizontalSpacing = 0;
		wrapper.setLayout( layout );