Java tutorial
/* * The MIT License * * Copyright 2014 exsio. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package pl.exsio.frameset.vaadin.ui.support.dialog; import com.vaadin.event.ShortcutAction; import com.vaadin.server.FontAwesome; import com.vaadin.shared.ui.MarginInfo; import com.vaadin.ui.Button; import com.vaadin.ui.HorizontalLayout; import com.vaadin.ui.Label; import com.vaadin.ui.UI; import com.vaadin.ui.VerticalLayout; import com.vaadin.ui.Window; import static pl.exsio.jin.translationcontext.TranslationContext.t; /** * * @author exsio */ public class ConfirmationDialog { public interface Handler { void handle(Button.ClickEvent event); } public static void show(final String msg, final Handler positiveHandler, final Handler negativeHandler) { final Window window = new Window(t("confirmation.title")); window.center(); window.setWidth("450px"); window.setModal(true); window.setResizable(false); window.setDraggable(false); VerticalLayout vlayout = new VerticalLayout() { { addComponent(new Label(msg)); addComponent(getControls(window, positiveHandler, negativeHandler)); } }; vlayout.setMargin(true); window.setContent(vlayout); UI.getCurrent().addWindow(window); window.focus(); } private static HorizontalLayout getControls(final Window window, final Handler positiveHandler, final Handler negativeHandler) { final HorizontalLayout controls = new HorizontalLayout() { { Button positive = new Button(t("core.yes"), FontAwesome.CHECK); Button negative = new Button(t("core.no"), FontAwesome.TIMES); positive.addClickListener(new Button.ClickListener() { @Override public void buttonClick(Button.ClickEvent event) { window.close(); } }); negative.addClickListener(new Button.ClickListener() { @Override public void buttonClick(Button.ClickEvent event) { window.close(); } }); if (positiveHandler instanceof Handler) { positive.addClickListener(new Button.ClickListener() { @Override public void buttonClick(Button.ClickEvent event) { positiveHandler.handle(event); } }); } if (negativeHandler instanceof Handler) { negative.addClickListener(new Button.ClickListener() { @Override public void buttonClick(Button.ClickEvent event) { negativeHandler.handle(event); } }); } positive.setClickShortcut(ShortcutAction.KeyCode.ENTER); negative.setClickShortcut(ShortcutAction.KeyCode.ESCAPE); addComponent(positive); addComponent(negative); } }; controls.setMargin(new MarginInfo(true, true, false, true)); controls.setSpacing(true); return controls; } }