Java tutorial
/* * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * Copyright (c) 2014, MPL CodeInside http://codeinside.ru */ package ru.codeinside.adm.ui; import com.vaadin.ui.CustomComponent; import com.vaadin.ui.Layout; import com.vaadin.ui.TabSheet; import ru.codeinside.gses.webui.components.api.IRefresh; /** * , ? ? . */ final class RefreshableTab extends CustomComponent implements TabSheet.SelectedTabChangeListener { final IRefresh[] refresh; RefreshableTab(Layout layout, IRefresh... refresh) { setSizeFull(); setCompositionRoot(layout); this.refresh = refresh; } @Override public void selectedTabChange(TabSheet.SelectedTabChangeEvent event) { if (this == event.getTabSheet().getSelectedTab()) { for (IRefresh r : refresh) { r.refresh(); } } } }