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Diffstat (limited to 'uitest/src/com/vaadin/tests/UpgradingSample.java')
| -rw-r--r-- | uitest/src/com/vaadin/tests/UpgradingSample.java | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/uitest/src/com/vaadin/tests/UpgradingSample.java b/uitest/src/com/vaadin/tests/UpgradingSample.java new file mode 100644 index 0000000000..48e2222d7e --- /dev/null +++ b/uitest/src/com/vaadin/tests/UpgradingSample.java @@ -0,0 +1,197 @@ +/* + * Copyright 2011 Vaadin Ltd. + * + * 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.vaadin.tests; + +// +// Millstone imports were replaced +// +// import org.millstone.base.Application; +// import org.millstone.base.ui.*; +// import org.millstone.base.data.*; +// +import com.vaadin.Application; +import com.vaadin.data.Property; +import com.vaadin.ui.Button; +import com.vaadin.ui.Button.ClickEvent; +import com.vaadin.ui.CustomComponent; +import com.vaadin.ui.GridLayout; +import com.vaadin.ui.Label; +import com.vaadin.ui.Panel; +import com.vaadin.ui.UI.LegacyWindow; +import com.vaadin.ui.TextField; +import com.vaadin.ui.Tree; +import com.vaadin.ui.VerticalLayout; + +/** + * <p> + * Example application demonstrating simple user login. This example is from + * MillStone 3.1.1 examples section. Upgrading from 3.1.1 to 4.0.0 was done by + * updating imports, also setTheme("corporate") call was added to application + * init method. + * </p> + * + * @since 3.1.1 + * @author Vaadin Ltd. + */ +public class UpgradingSample extends Application.LegacyApplication implements + Property.ValueChangeListener { + + /* Menu for navigating inside the application. */ + private final Tree menu = new Tree(); + + /* Contents of the website */ + private final String[][] pages = { + { "Welcome", "Welcome to our website..." }, + { "Products", "Public product information." }, + { "Contact", "Public contact information." }, + { "CRM", "CRM Database requiring login." }, + { "Intranet", "Internal information database." } }; + + /* Application layout */ + private final GridLayout layout = new GridLayout(2, 1); + + /* Initialize the application */ + @Override + public void init() { + + // Create the main window of the application + final LegacyWindow main = new LegacyWindow("Login example", layout); + setMainWindow(main); + + // Add menu and loginbox to the application + final VerticalLayout l = new VerticalLayout(); + layout.addComponent(l, 0, 0); + l.addComponent(menu); + l.addComponent(new LoginBox()); + + // Setup menu + menu.setStyleName("menu"); + menu.addListener(this); + menu.setImmediate(true); + addToMenu(new String[] { "Welcome", "Products", "Contact" }); + } + + // Overriding usetUser method is a simple way of updating application + // privileges when the user is changed + @Override + public void setUser(Object user) { + super.setUser(user); + if (user != null) { + addToMenu(new String[] { "CRM", "Intranet" }); + } + } + + public void addToMenu(String[] items) { + for (int i = 0; i < items.length; i++) { + menu.addItem(items[i]); + menu.setChildrenAllowed(items[i], false); + } + if (menu.getValue() == null) { + menu.setValue(items[0]); + } + } + + // Handle menu selection and update visible page + @Override + public void valueChange(Property.ValueChangeEvent event) { + layout.removeComponent(1, 0); + final String title = (String) menu.getValue(); + for (int i = 0; i < pages.length; i++) { + if (pages[i][0].equals(title)) { + final Panel p = new Panel(pages[i][0]); + p.addComponent(new Label(pages[i][1])); + p.setStyleName("strong"); + layout.addComponent(p, 1, 0); + } + } + } + + // Simple loginbox component for the application + public class LoginBox extends CustomComponent implements + Application.UserChangeListener { + + // The components this loginbox is composed of + private final TextField loginName = new TextField("Name"); + + private final Button loginButton = new Button("Enter", + new Button.ClickListener() { + @Override + public void buttonClick(ClickEvent event) { + login(); + } + }); + + private final Panel loginPanel = new Panel("Login"); + + private final Panel statusPanel = new Panel(); + + private final Button logoutButton = new Button("Logout", + new Button.ClickListener() { + @Override + public void buttonClick(ClickEvent event) { + close(); + } + }); + + private final Label statusLabel = new Label(); + + // Initialize login component + public LoginBox() { + + // Initialize the component + loginPanel.addComponent(loginName); + loginPanel.addComponent(loginButton); + loginPanel.setStyleName("strong"); + loginName.setColumns(8); + statusPanel.addComponent(statusLabel); + statusPanel.addComponent(logoutButton); + + // Set the status of the loginbox and show correct + // components + updateStatus(); + + // Listen application user change events + UpgradingSample.this.addListener(this); + } + + // Login into application + public void login() { + final String name = loginName.getValue(); + if (name != null && name.length() > 0) { + setUser(name); + } + loginName.setValue(""); + } + + // Update login status on application user change events + @Override + public void applicationUserChanged(Application.UserChangeEvent event) { + updateStatus(); + } + + // Update login status of the component by exposing correct + // components + private void updateStatus() { + statusLabel.setValue("User: " + getUser()); + if (getUser() != null) { + setCompositionRoot(statusPanel); + } else { + setCompositionRoot(loginPanel); + } + } + } +} |