this.validator = validator;
this.availablePatternsWidget = new MinimumWidthCellList<Pattern52>( new ActionSetFieldPatternCell( validator ),
WizardCellListResources.INSTANCE );
this.availableFieldsWidget = new MinimumWidthCellList<AvailableField>( new AvailableFieldCell(),
WizardCellListResources.INSTANCE );
this.chosenFieldsWidget = new MinimumWidthCellList<ActionSetFieldCol52>( new ActionSetFieldCell( validator ),
WizardCellListResources.INSTANCE );
initWidget( uiBinder.createAndBindUi( this ) );
initialiseAvailablePatterns();
initialiseAvailableFields();