public void createContents(Composite topControl) {
PixelConverter pc = new PixelConverter(topControl);
GridData gd;
gd = GridDataFactory.swtDefaults().align(SWT.FILL, SWT.CENTER).span(2, 1).create();
gd.heightHint = pc.convertHeightInCharsToPixels(1) / 2;
SWTFactoryUtil.createLabel(topControl, SWT.LEFT, "", gd);
SWTFactoryUtil.createLabel(topControl, SWT.LEFT, PreferencesMessages.EditorPreferencePage_title1,
GridDataFactory.swtDefaults().align(SWT.FILL, SWT.CENTER).span(2, 1).create());