gd.widthHint = 200;
returningAttributesCombo.setLayoutData( gd );
// Content assist
contentAssistProcessor = new ReturningAttributesContentAssistProcessor( null );
DialogContentAssistant raca = new DialogContentAssistant();
raca.enableAutoInsert( true );
raca.enableAutoActivation( true );
raca.setAutoActivationDelay( 500 );
raca.setContentAssistProcessor( contentAssistProcessor, IDocument.DEFAULT_CONTENT_TYPE );
raca.install( returningAttributesCombo );
// History
String[] history = HistoryUtils.load( BrowserCommonConstants.DIALOGSETTING_KEY_RETURNING_ATTRIBUTES_HISTORY );
for ( int i = 0; i < history.length; i++ )
{