SelectionInList weekSelectionList = viewHandler
.getWeekSelectionList(yearWeekAdapter);
comboBoxWeeks = BasicComponentFactory.createComboBox(weekSelectionList);
comboBoxWeeks.setSelectedItem(Util.getCurrentWeek());
weekSelectionList.addValueChangeListener(viewHandler
.getWeekChangeListener(yearWeek, window));
buttonRefresh = viewHandler.getRefreshButton(window);
buttonCancel = viewHandler.getCancelButton(window);
buttonPrint = viewHandler.getPrintButton(window);