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 org.activiti.explorer.ui.mainlayout; import java.util.HashMap; import java.util.Map; import org.activiti.explorer.Environments; import org.activiti.explorer.ExplorerApp; import org.activiti.explorer.I18nManager; import org.activiti.explorer.Messages; import org.activiti.explorer.ViewManager; import org.activiti.explorer.identity.LoggedInUser; import org.activiti.explorer.ui.Images; import org.activiti.explorer.ui.profile.ChangePasswordPopupWindow; import com.vaadin.terminal.Resource; import com.vaadin.ui.Alignment; import com.vaadin.ui.Button; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.Button.ClickListener; import com.vaadin.ui.HorizontalLayout; import com.vaadin.ui.Label; import com.vaadin.ui.MenuBar; import com.vaadin.ui.MenuBar.Command; import com.vaadin.ui.MenuBar.MenuItem; import com.vaadin.ui.themes.Reindeer; /** * @author Joram Barrez * @author Frederik Heremans */ @SuppressWarnings("serial") public class MainMenuBar extends HorizontalLayout { private static final long serialVersionUID = 1L; protected ViewManager viewManager; protected I18nManager i18nManager; protected Map<String, Button> menuItemButtons; protected String currentMainNavigation; public MainMenuBar() { this.viewManager = ExplorerApp.get().getViewManager(); this.i18nManager = ExplorerApp.get().getI18nManager(); menuItemButtons = new HashMap<String, Button>(); init(); } /** * Highlights the given main navigation in the menubar. */ public synchronized void setMainNavigation(String navigation) { if (currentMainNavigation != null) { menuItemButtons.get(currentMainNavigation).removeStyleName(ExplorerLayout.STYLE_ACTIVE); } currentMainNavigation = navigation; Button current = menuItemButtons.get(navigation); if (current != null) { current.addStyleName(ExplorerLayout.STYLE_ACTIVE); } } protected void init() { setHeight(54, UNITS_PIXELS); setWidth(100, UNITS_PERCENTAGE); setMargin(false, true, false, false); initTitle(); initButtons(); initProfileButton(); } protected void initButtons() { // TODO: fixed widths based on i18n strings? Button taskButton = addMenuButton(ViewManager.MAIN_NAVIGATION_TASK, i18nManager.getMessage(Messages.MAIN_MENU_TASKS), Images.MAIN_MENU_TASKS, false, 80); taskButton.addListener(new ShowTasksClickListener()); menuItemButtons.put(ViewManager.MAIN_NAVIGATION_TASK, taskButton); Button processButton = addMenuButton(ViewManager.MAIN_NAVIGATION_PROCESS, i18nManager.getMessage(Messages.MAIN_MENU_PROCESS), Images.MAIN_MENU_PROCESS, false, 80); processButton.addListener(new ShowProcessDefinitionsClickListener()); menuItemButtons.put(ViewManager.MAIN_NAVIGATION_PROCESS, processButton); Button reportingButton = addMenuButton(ViewManager.MAIN_NAVIGATION_REPORT, i18nManager.getMessage(Messages.MAIN_MENU_REPORTS), Images.MAIN_MENU_REPORTS, false, 80); reportingButton.addListener(new ShowReportsClickListener()); menuItemButtons.put(ViewManager.MAIN_NAVIGATION_REPORT, reportingButton); if (ExplorerApp.get().getLoggedInUser().isAdmin()) { Button manageButton = addMenuButton(ViewManager.MAIN_NAVIGATION_MANAGE, i18nManager.getMessage(Messages.MAIN_MENU_MANAGEMENT), Images.MAIN_MENU_MANAGE, false, 90); manageButton.addListener(new ShowManagementClickListener()); menuItemButtons.put(ViewManager.MAIN_NAVIGATION_MANAGE, manageButton); } } protected void initTitle() { Label title = new Label(); title.addStyleName(Reindeer.LABEL_H1); if (ExplorerApp.get().getEnvironment().equals(Environments.ALFRESCO)) { title.addStyleName(ExplorerLayout.STYLE_WORKFLOW_CONSOLE_LOGO); } else { title.addStyleName(ExplorerLayout.STYLE_APPLICATION_LOGO); } addComponent(title); setExpandRatio(title, 1.0f); } protected Button addMenuButton(String type, String label, Resource icon, boolean active, float width) { Button button = new Button(label); button.addStyleName(type); button.addStyleName(ExplorerLayout.STYLE_MAIN_MENU_BUTTON); button.addStyleName(Reindeer.BUTTON_LINK); button.setHeight(54, UNITS_PIXELS); button.setIcon(icon); button.setWidth(width, UNITS_PIXELS); addComponent(button); setComponentAlignment(button, Alignment.TOP_CENTER); return button; } protected void initProfileButton() { final LoggedInUser user = ExplorerApp.get().getLoggedInUser(); // User name + link to profile MenuBar profileMenu = new MenuBar(); profileMenu.addStyleName(ExplorerLayout.STYLE_HEADER_PROFILE_BOX); MenuItem rootItem = profileMenu.addItem(user.getFirstName() + " " + user.getLastName(), null); rootItem.setStyleName(ExplorerLayout.STYLE_HEADER_PROFILE_MENU); if (useProfile()) { // Show profile rootItem.addItem(i18nManager.getMessage(Messages.PROFILE_SHOW), new Command() { public void menuSelected(MenuItem selectedItem) { ExplorerApp.get().getViewManager().showProfilePopup(user.getId()); } }); // Edit profile rootItem.addItem(i18nManager.getMessage(Messages.PROFILE_EDIT), new Command() { public void menuSelected(MenuItem selectedItem) { // TODO: Show in edit-mode ExplorerApp.get().getViewManager().showProfilePopup(user.getId()); } }); // Change password rootItem.addItem(i18nManager.getMessage(Messages.PASSWORD_CHANGE), new Command() { public void menuSelected(MenuItem selectedItem) { ExplorerApp.get().getViewManager().showPopupWindow(new ChangePasswordPopupWindow()); } }); rootItem.addSeparator(); } // Logout rootItem.addItem(i18nManager.getMessage(Messages.HEADER_LOGOUT), new Command() { public void menuSelected(MenuItem selectedItem) { ExplorerApp.get().close(); } }); addComponent(profileMenu); setComponentAlignment(profileMenu, Alignment.TOP_RIGHT); setExpandRatio(profileMenu, 1.0f); } protected boolean useProfile() { return true; } // Listener classes private class ShowTasksClickListener implements ClickListener { public void buttonClick(ClickEvent event) { ExplorerApp.get().getViewManager().showInboxPage(); } } private class ShowProcessDefinitionsClickListener implements ClickListener { public void buttonClick(ClickEvent event) { ExplorerApp.get().getViewManager().showDeployedProcessDefinitionPage(); } } private class ShowReportsClickListener implements ClickListener { public void buttonClick(ClickEvent event) { ExplorerApp.get().getViewManager().showRunReportPage(); } } private class ShowManagementClickListener implements ClickListener { public void buttonClick(ClickEvent event) { ExplorerApp.get().getViewManager().showDatabasePage(); } } }