Java tutorial
/* * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package com.jain.common.header; import javax.inject.Inject; import com.jain.addon.JNIComponentInit; import com.jain.addon.JNStyleConstants; import com.jain.addon.action.ActionBar; import com.jain.addon.action.JNAction; import com.jain.addon.action.JNActionGroup; import com.jain.addon.authentication.JNILoginListner; import com.jain.addon.cdi.CDIComponent; import com.jain.addon.event.Events; import com.jain.addon.i18N.I18NChangeEvent; import com.jain.addon.i18N.I18NListener; import com.jain.addon.i18N.component.I18NSelector; import com.jain.addon.resource.DefaultI18NResourceProvider; import com.jain.addon.resource.I18NProvider; import com.jain.common.JAction; import com.jain.common.JLocale; import com.jain.common.authenticate.AuthenticatedUser; import com.jain.common.authenticate.LoginAction; import com.jain.theme.ApplicationTheme; import com.vaadin.shared.ui.MarginInfo; import com.vaadin.ui.Alignment; import com.vaadin.ui.HorizontalLayout; import com.vaadin.ui.Label; import com.vaadin.ui.themes.Runo; @SuppressWarnings("serial") @JNActionGroup(name = "welcome.bar.action", style = JNStyleConstants.J_ACTION_LINK_GROUP, actionStyle = Runo.BUTTON_LINK, firstActionStyle = Runo.BUTTON_LINK, lastActionStyle = Runo.BUTTON_LINK) public class WelcomeBar extends HorizontalLayout implements JNILoginListner, I18NListener { @Inject private AuthenticatedUser currentUser; private Label welcomeMessage; @JNIComponentInit public void init() { setWidth("100%"); setMargin(new MarginInfo(false, true, false, true)); setStyleName(ApplicationTheme.ALTERNATE_VIEW); createWelcomeMessage(); createRightActions(); } private void createWelcomeMessage() { welcomeMessage = new Label(currentUser.getDisplayIdentity()); welcomeMessage.setStyleName(ApplicationTheme.WELCOME_MESSAGE); addComponent(welcomeMessage); } private void createRightActions() { HorizontalLayout layout = new HorizontalLayout(); layout.setSpacing(true); layout.setMargin(new MarginInfo(false, true, false, true)); I18NSelector localSelection = new I18NSelector(); localSelection.setInputPrompt("module.locale.name"); for (JLocale locale : JLocale.values()) { localSelection.addItem(locale.getLocale(), locale.getDisplayName()); } layout.addComponent(localSelection); ActionBar<WelcomeBar> hLayout = new ActionBar<WelcomeBar>(currentUser, this); layout.addComponent(hLayout); addComponent(layout); setComponentAlignment(layout, Alignment.TOP_RIGHT); } public void onLogin() { welcomeMessage.setValue(currentUser.getDisplayIdentity()); } public void localeChanged(I18NChangeEvent event) { currentUser.setLocale(event.getLocale()); I18NProvider provider = DefaultI18NResourceProvider.instance(); getUI().getPage().setTitle(provider.getText(getLocale(), "application.title.name")); welcomeMessage.setValue(currentUser.getDisplayIdentity()); } //Actions @JNAction(name = "help.action.name", tabIndex = 1, permission = "help.action.permission", description = "help.action.description", icon = "help.action.icon") public void help() { System.out.println("not implemented yet"); } @JNAction(name = "login.action.name", tabIndex = 2, permission = "login.action.permission", description = "login.action.description", icon = "login.action.icon") public void login() { LoginAction loginAction = CDIComponent.getInstance(LoginAction.class); loginAction.setCaption(JAction.LOGIN.getDisplayName()); getUI().addWindow(loginAction); } @JNAction(name = "logout.action.name", tabIndex = 3, permission = "logout.action.permission", description = "logout.action.description", icon = "logout.action.icon") public void logout() { currentUser.setLoggedInUser(null); Events.instance().raiseLogoutEvent(getUI()); } }