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Completed LoginDialog implementation except for closing the dialog

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This commit is contained in:
Kai S. K. Engelbart
2020-04-10 16:18:01 +02:00
parent 7285375447
commit fb2f379dfc
8 changed files with 185 additions and 473 deletions
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9
src/main/java/envoy/client/data/ClientConfig.java
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@@ -1,7 +1,6 @@
package envoy.client.data;
import java.io.File;
import java.security.NoSuchAlgorithmException;
import java.util.function.Function;
import java.util.logging.Level;
@@ -110,11 +109,5 @@ public class ClientConfig extends Config {
* the registration option
* @since Envoy Client v0.3-alpha
*/
public LoginCredentials getLoginCredentials() {
try {
return new LoginCredentials(getUser(), getPassword(), false);
} catch (NoSuchAlgorithmException e) {
return null;
}
}
public LoginCredentials getLoginCredentials() { return new LoginCredentials(getUser(), getPassword(), false); }
}

18
src/main/java/envoy/client/event/HandshakeSuccessfulEvent.java
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@@ -1,18 +0,0 @@
package envoy.client.event;
import envoy.event.Event;
/**
* This {@link Event} indicates that a handshake was completed successfully.
*
* Project: <strong>envoy-client</strong><br>
* File: <strong>HandshakeSuccessfulEvent.java</strong><br>
* Created: <strong>8 Feb 2020</strong><br>
*
* @author Leon Hofmeister
* @since Envoy Client v0.3-alpha
*/
public class HandshakeSuccessfulEvent extends Event.Valueless {
private static final long serialVersionUID = 0L;
}

3
src/main/java/envoy/client/net/Client.java
View File

@@ -107,11 +107,12 @@ public class Client implements Closeable {
Thread.sleep(500);
}
logger.info("Handshake completed.");
online = true;
// Remove user creation processor
receiver.removeAllProcessors();
logger.info("Handshake completed.");
}
/**

90
src/main/java/envoy/client/ui/LoginDialog.fxml
View File

@@ -13,37 +13,61 @@
<?import javafx.scene.layout.VBox?>
<?import javafx.scene.text.Font?>
<DialogPane xmlns="http://javafx.com/javafx/11.0.1" xmlns:fx="http://javafx.com/fxml/1" fx:controller="envoy.client.ui.LoginDialog$Controller">
<content>
<VBox maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="600.0">
<children>
<Label text="User Login">
<font>
<Font size="26.0" />
</font>
</Label>
<GridPane>
<columnConstraints>
<ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" percentWidth="40.0" prefWidth="100.0" />
<ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
</columnConstraints>
<rowConstraints>
<RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
<RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
<RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
</rowConstraints>
<children>
<Label text="User Name:" />
<Label text="Password" GridPane.rowIndex="1" />
<Label fx:id="repeatPasswordLabel" text="Repeat Password:" visible="false" GridPane.rowIndex="2" />
<TextField fx:id="userTextField" GridPane.columnIndex="1" />
<PasswordField fx:id="repeatPasswordField" GridPane.columnIndex="1" GridPane.rowIndex="1" />
<PasswordField fx:id="repeatPasswordField" visible="false" GridPane.columnIndex="1" GridPane.rowIndex="2" />
</children>
</GridPane>
<CheckBox fx:id="registerCheckBox" mnemonicParsing="false" onAction="#registerCheckboxChanged" text="Register" />
</children>
</VBox>
</content>
<DialogPane prefHeight="201.0" prefWidth="525.0"
xmlns="http://javafx.com/javafx/11.0.1"
xmlns:fx="http://javafx.com/fxml/1">
<content>
<VBox maxHeight="-Infinity" maxWidth="-Infinity"
minHeight="-Infinity" minWidth="-Infinity" prefHeight="217.0"
prefWidth="545.0">
<children>
<Label text="User Login">
<font>
<Font size="26.0" />
</font>
</Label>
<GridPane>
<columnConstraints>
<ColumnConstraints hgrow="SOMETIMES"
minWidth="10.0" percentWidth="40.0" prefWidth="100.0" />
<ColumnConstraints hgrow="SOMETIMES"
minWidth="10.0" prefWidth="100.0" />
</columnConstraints>
<rowConstraints>
<RowConstraints minHeight="10.0" prefHeight="30.0"
vgrow="SOMETIMES" />
<RowConstraints minHeight="10.0" prefHeight="30.0"
vgrow="SOMETIMES" />
<RowConstraints minHeight="10.0" prefHeight="30.0"
vgrow="SOMETIMES" />
</rowConstraints>
<children>
<Label text="User Name:" />
<Label text="Password" GridPane.rowIndex="1" />
<Label fx:id="repeatPasswordLabel" text="Repeat Password:"
visible="false" GridPane.rowIndex="2" />
<TextField fx:id="userTextField"
GridPane.columnIndex="1" />
<PasswordField fx:id="passwordField"
GridPane.columnIndex="1" GridPane.rowIndex="1" />
<PasswordField fx:id="repeatPasswordField"
visible="false" GridPane.columnIndex="1" GridPane.rowIndex="2" />
</children>
</GridPane>
<HBox alignment="CENTER_RIGHT" prefHeight="100.0"
prefWidth="200.0">
<children>
<CheckBox fx:id="registerCheckBox"
mnemonicParsing="false" onAction="#registerCheckboxChanged"
text="Register" />
<Button alignment="CENTER_RIGHT" cancelButton="true"
mnemonicParsing="false" onAction="#abortLogin" text="Close" />
<Button alignment="CENTER_RIGHT" defaultButton="true"
mnemonicParsing="false" text="Login"
onAction="#loginButtonClicked" fx:id="loginButton" />
</children>
</HBox>
</children>
</VBox>
</content>
</DialogPane>

148
src/main/java/envoy/client/ui/LoginDialog.java
View File

@@ -1,11 +1,26 @@
package envoy.client.ui;
import java.io.IOException;
import java.util.logging.Logger;
import javax.naming.TimeLimitExceededException;
import envoy.client.data.Cache;
import envoy.client.data.ClientConfig;
import envoy.client.data.LocalDB;
import envoy.client.net.Client;
import envoy.data.LoginCredentials;
import envoy.data.Message;
import envoy.data.User;
import envoy.event.EventBus;
import envoy.event.HandshakeRejectionEvent;
import envoy.exception.EnvoyException;
import envoy.util.EnvoyLog;
import javafx.application.Platform;
import javafx.fxml.FXML;
import javafx.fxml.FXMLLoader;
import javafx.scene.control.*;
import javafx.scene.control.Alert.AlertType;
/**
* Project: <strong>envoy-client</strong><br>
@@ -17,54 +32,125 @@ import javafx.scene.control.*;
*/
public final class LoginDialog extends Dialog<Void> {
@FXML
private TextField userTextField;
@FXML
private PasswordField passwordField;
@FXML
private PasswordField repeatPasswordField;
@FXML
private Label repeatPasswordLabel;
@FXML
private CheckBox registerCheckBox;
@FXML
private Button loginButton;
private final Client client;
private final LocalDB localDB;
private final Cache<Message> receivedMessageCache;
private static final Logger logger = EnvoyLog.getLogger(LoginDialog.class);
private static final EventBus eventBus = EventBus.getInstance();
private static final ClientConfig config = ClientConfig.getInstance();
/**
* Loads the login dialog using the FXML file {@code LoginDialog.fxml}.
*
* @param client the client used to perform the handshake
* @param localDB the local database used for offline login
* @param receivedMessageCache the cache storing messages received during the
* handshake
* @throws IOException if an exception occurs during loading
* @since Envoy Client v0.1-beta
*/
public LoginDialog() throws IOException {
final var dialogPane = FXMLLoader.<DialogPane>load(getClass().getResource("LoginDialog.fxml"));
public LoginDialog(Client client, LocalDB localDB, Cache<Message> receivedMessageCache) throws IOException {
this.client = client;
this.localDB = localDB;
this.receivedMessageCache = receivedMessageCache;
// Configure buttons
dialogPane.getButtonTypes().addAll(ButtonType.CANCEL, ButtonType.OK);
setDialogPane(dialogPane);
final var loader = new FXMLLoader(getClass().getResource("LoginDialog.fxml"));
loader.setController(this);
setDialogPane(loader.load());
}
public static class Controller {
@FXML
private void initialize() {
@FXML
private TextField userTextField;
// Close the dialog when the user exits the dialog
getDialogPane().getScene().getWindow().setOnCloseRequest(e -> abortLogin());
@FXML
private PasswordField passwordField;
// Show an alert after an unsuccessful handshake
eventBus.register(HandshakeRejectionEvent.class,
e -> Platform.runLater(() -> { clearPasswordFields(); new Alert(AlertType.ERROR, e.get()).showAndWait(); }));
@FXML
private PasswordField repeatPasswordField;
// Set initial cursor
userTextField.requestFocus();
@FXML
private Label repeatPasswordLabel;
@FXML
private CheckBox registerCheckBox;
@FXML
private void initialize() {
// Set initial cursor
Platform.runLater(userTextField::requestFocus);
// Perform automatic login if configured
if (config.hasLoginCredentials()) {
performHandshake(config.getLoginCredentials());
hide();
}
}
@FXML
private void registerCheckboxChanged() {
@FXML
private void registerCheckboxChanged() {
// Make repeat password field and label visible / invisible
repeatPasswordField.setVisible(registerCheckBox.isSelected());
repeatPasswordLabel.setVisible(registerCheckBox.isSelected());
// Make repeat password field and label visible / invisible
repeatPasswordField.setVisible(registerCheckBox.isSelected());
repeatPasswordLabel.setVisible(registerCheckBox.isSelected());
// Clear repeat password field if registration cancelled
if (!registerCheckBox.isSelected()) repeatPasswordField.clear();
clearPasswordFields();
}
@FXML
private void abortLogin() {
logger.info("The login process has been cancelled. Exiting...");
System.exit(0);
}
@FXML
private void loginButtonClicked() {
// Prevent registration with unequal passwords
if (registerCheckBox.isSelected() && !passwordField.getText().equals(repeatPasswordField.getText())) {
clearPasswordFields();
new Alert(AlertType.ERROR, "The entered password is unequal to the repeated one").showAndWait();
} else performHandshake(new LoginCredentials(userTextField.getText(), passwordField.getText().toCharArray(), registerCheckBox.isSelected()));
}
private void performHandshake(LoginCredentials credentials) {
try {
client.performHandshake(credentials, receivedMessageCache);
if (client.isOnline()) {
client.initReceiver(localDB, receivedMessageCache);
hide();
}
} catch (IOException | InterruptedException | TimeLimitExceededException e) {
logger.warning("Could not connect to server. Trying offline mode...");
e.printStackTrace();
try {
// Try entering offline mode
localDB.loadUsers();
User clientUser = (User) localDB.getUsers().get(credentials.getIdentifier());
if (clientUser == null) throw new EnvoyException("Could not enter offline mode: user name unknown");
client.setSender(clientUser);
new Alert(AlertType.WARNING, "A connection to the server could not be established. Starting in offline mode.\n" + e).showAndWait();
hide();
} catch (Exception e1) {
new Alert(AlertType.ERROR, "Client error: " + e.toString()).showAndWait();
System.exit(1);
}
}
}
private void clearPasswordFields() {
passwordField.clear();
repeatPasswordField.clear();
}
}

31
src/main/java/envoy/client/ui/Startup.java
View File

@@ -7,8 +7,6 @@ import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JOptionPane;
import envoy.client.data.*;
import envoy.client.net.Client;
import envoy.client.net.WriteProxy;
@@ -20,6 +18,8 @@ import envoy.util.EnvoyLog;
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.scene.Scene;
import javafx.scene.control.Alert;
import javafx.scene.control.Alert.AlertType;
import javafx.scene.image.Image;
import javafx.scene.layout.GridPane;
import javafx.stage.Stage;
@@ -46,7 +46,7 @@ public final class Startup extends Application {
* {@inheritDoc}
*/
@Override
public void init() throws Exception {
public void start(Stage stage) throws Exception {
try {
// Load the configuration from client.properties first
Properties properties = new Properties();
@@ -60,7 +60,7 @@ public final class Startup extends Application {
// Check if all mandatory configuration values have been initialized
if (!config.isInitialized()) throw new EnvoyException("Configuration is not fully initialized");
} catch (Exception e) {
JOptionPane.showMessageDialog(null, "Error loading configuration values:\n" + e, "Configuration error", JOptionPane.ERROR_MESSAGE);
new Alert(AlertType.ERROR, "Error loading configuration values:\n" + e);
e.printStackTrace();
System.exit(1);
}
@@ -74,15 +74,12 @@ public final class Startup extends Application {
// Initialize the local database
if (config.isIgnoreLocalDB()) {
localDB = new TransientLocalDB();
JOptionPane.showMessageDialog(null,
"Ignoring local database.\nMessages will not be saved!",
"Local database warning",
JOptionPane.WARNING_MESSAGE);
new Alert(AlertType.WARNING, "Ignoring local database.\nMessages will not be saved!").showAndWait();
} else try {
localDB = new PersistentLocalDB(new File(config.getHomeDirectory(), config.getLocalDB().getPath()));
} catch (IOException e3) {
logger.log(Level.SEVERE, "Could not initialize local database", e3);
JOptionPane.showMessageDialog(null, "Could not initialize local database!\n" + e3, "Local database error", JOptionPane.ERROR_MESSAGE);
new Alert(AlertType.ERROR, "Could not initialize local database!\n" + e3).showAndWait();
System.exit(1);
return;
}
@@ -90,18 +87,9 @@ public final class Startup extends Application {
// Initialize client and unread message cache
client = new Client();
cache = new Cache<>();
}
/**
* {@inheritDoc}
*/
@Override
public void start(Stage stage) throws Exception {
// Try to connect to the server
// new LoginDialog(client, localDB, cache);
new LoginDialog().showAndWait();
System.exit(0);
new LoginDialog(client, localDB, cache).showAndWait();
// Set client user in local database
localDB.setUser(client.getSender());
@@ -114,10 +102,7 @@ public final class Startup extends Application {
// The local database file has not yet been created, probably first login
} catch (Exception e) {
e.printStackTrace();
JOptionPane.showMessageDialog(null,
"Error while loading local database: " + e + "\nChats will not be stored locally.",
"Local DB error",
JOptionPane.WARNING_MESSAGE);
new Alert(AlertType.ERROR, "Error while loading local database: " + e + "\nChats will not be stored locally.").showAndWait();
}
// Initialize write proxy

346
src/main/java/envoy/client/ui/container/LoginDialog.java
View File

@@ -1,346 +0,0 @@
package envoy.client.ui.container;
import java.awt.*;
import java.awt.event.ItemEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.IOException;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
import java.util.logging.Logger;
import javax.naming.TimeLimitExceededException;
import javax.swing.*;
import javax.swing.border.EmptyBorder;
import envoy.client.data.*;
import envoy.client.event.HandshakeSuccessfulEvent;
import envoy.client.net.Client;
import envoy.client.ui.Theme;
import envoy.client.ui.primary.PrimaryButton;
import envoy.data.LoginCredentials;
import envoy.data.Message;
import envoy.data.User;
import envoy.event.EventBus;
import envoy.event.HandshakeRejectionEvent;
import envoy.exception.EnvoyException;
import envoy.util.EnvoyLog;
/**
* Project: <strong>envoy-client</strong><br>
* File: <strong>LoginDialog.java</strong><br>
* Created: <strong>01.01.2020</strong><br>
*
* @author Kai S. K. Engelbart
* @author Maximilian K&auml;fer
* @since Envoy Client v0.3-alpha
*/
public class LoginDialog extends JDialog {
private JPanel contentPanel;
private JTextField textField;
private JPasswordField passwordField;
private JPasswordField repeatPasswordField;
private JLabel lblUserName;
private JLabel lblPassword;
private JLabel lblRepeatPassword;
private JLabel errorMessage;
private GridBagConstraints gbc_lblRepeatPassword;
private GridBagConstraints gbc_repeatPasswordField;
private GridBagConstraints gbc_errorMessage;
private JPanel buttonPane;
private JTextPane registerText;
private JCheckBox registerCheckBox;
private PrimaryButton okButton;
private PrimaryButton cancelButton;
private LoginCredentials credentials;
private final Client client;
private final LocalDB localDB;
private final Cache<Message> receivedMessageCache;
private static final ClientConfig config = ClientConfig.getInstance();
private static final Logger logger = EnvoyLog.getLogger(LoginDialog.class);
private static final long serialVersionUID = 0L;
/**
* Displays a dialog enabling the user to enter their user name and password.
*
* @param client the client used to perform the handshake
* @param localDB the local database in which data is persisted
* @param receivedMessageCache the cache that stored messages received during
* the handshake
* @since Envoy Client v0.3-alpha
*/
public LoginDialog(Client client, LocalDB localDB, Cache<Message> receivedMessageCache) {
this.client = client;
this.localDB = localDB;
this.receivedMessageCache = receivedMessageCache;
// Prepare handshake
localDB.loadIDGenerator();
addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) { abortLogin(); }
});
initUi();
okButton.addActionListener((evt) -> {
try {
if (registerCheckBox.isSelected()) {
// Check password equality
if (Arrays.equals(passwordField.getPassword(), repeatPasswordField.getPassword())) {
credentials = new LoginCredentials(textField.getText(), passwordField.getPassword(), true);
performHandshake();
} else {
JOptionPane.showMessageDialog(this, "The repeated password is not the original password!");
clearPasswordFields();
}
} else {
credentials = new LoginCredentials(textField.getText(), passwordField.getPassword(), false);
performHandshake();
}
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
});
// Listen to handshake rejections
EventBus.getInstance()
.register(HandshakeRejectionEvent.class,
evt -> { clearPasswordFields(); errorMessage.setVisible(true); errorMessage.setText(evt.get()); });
// Exit the application when the dialog is cancelled
cancelButton.addActionListener(evt -> abortLogin());
// Log in directly if configured
if (config.hasLoginCredentials()) {
credentials = config.getLoginCredentials();
performHandshake();
return;
}
setVisible(true);
}
private void performHandshake() {
try {
client.performHandshake(credentials, receivedMessageCache);
if (client.isOnline()) {
client.initReceiver(localDB, receivedMessageCache);
dispose();
}
} catch (IOException | InterruptedException | TimeLimitExceededException e) {
logger.warning("Could not connect to server. Trying offline mode...");
e.printStackTrace();
try {
// Try entering offline mode
localDB.loadUsers();
User clientUser = (User) localDB.getUsers().get(credentials.getIdentifier());
if (clientUser == null) throw new EnvoyException("Could not enter offline mode: user name unknown");
client.setSender(clientUser);
JOptionPane.showMessageDialog(null,
"A connection to the server could not be established. Starting in offline mode.\n" + e,
"Connection error",
JOptionPane.WARNING_MESSAGE);
dispose();
} catch (Exception e1) {
JOptionPane.showMessageDialog(null, e1, "Client error", JOptionPane.ERROR_MESSAGE);
System.exit(1);
return;
}
}
}
private void initUi() {
setSize(338, 123);
setLocationRelativeTo(null);
setResizable(false);
getContentPane().setLayout(new BorderLayout());
contentPanel = new JPanel();
contentPanel.setBorder(new EmptyBorder(5, 5, 5, 5));
getContentPane().add(contentPanel, BorderLayout.CENTER);
GridBagLayout gbl_contentPanel = new GridBagLayout();
gbl_contentPanel.columnWidths = new int[] { 0, 0, 0 };
gbl_contentPanel.rowHeights = new int[] { 0, 0, 0 };
gbl_contentPanel.columnWeights = new double[] { 0.0, 1.0, Double.MIN_VALUE };
gbl_contentPanel.rowWeights = new double[] { 0.0, 0.0, Double.MIN_VALUE };
contentPanel.setLayout(gbl_contentPanel);
lblUserName = new JLabel("Username:");
GridBagConstraints gbc_lblUserName = new GridBagConstraints();
gbc_lblUserName.anchor = GridBagConstraints.EAST;
gbc_lblUserName.insets = new Insets(0, 0, 5, 5);
gbc_lblUserName.gridx = 0;
gbc_lblUserName.gridy = 0;
contentPanel.add(lblUserName, gbc_lblUserName);
textField = new JTextField();
textField.setBorder(null);
GridBagConstraints gbc_textField = new GridBagConstraints();
gbc_textField.insets = new Insets(0, 0, 5, 0);
gbc_textField.fill = GridBagConstraints.HORIZONTAL;
gbc_textField.gridx = 1;
gbc_textField.gridy = 0;
contentPanel.add(textField, gbc_textField);
textField.setColumns(10);
lblPassword = new JLabel("Password:");
GridBagConstraints gbc_lblPassword = new GridBagConstraints();
gbc_lblPassword.anchor = GridBagConstraints.EAST;
gbc_lblPassword.insets = new Insets(0, 0, 0, 5);
gbc_lblPassword.gridx = 0;
gbc_lblPassword.gridy = 1;
contentPanel.add(lblPassword, gbc_lblPassword);
passwordField = new JPasswordField();
passwordField.setBorder(null);
GridBagConstraints gbc_passwordField = new GridBagConstraints();
gbc_passwordField.fill = GridBagConstraints.HORIZONTAL;
gbc_passwordField.gridx = 1;
gbc_passwordField.gridy = 1;
contentPanel.add(passwordField, gbc_passwordField);
lblRepeatPassword = new JLabel("Repeat Password:");
gbc_lblRepeatPassword = new GridBagConstraints();
gbc_lblRepeatPassword.anchor = GridBagConstraints.EAST;
gbc_lblRepeatPassword.insets = new Insets(0, 0, 0, 5);
gbc_lblRepeatPassword.gridx = 0;
gbc_lblRepeatPassword.gridy = 2;
repeatPasswordField = new JPasswordField();
gbc_repeatPasswordField = new GridBagConstraints();
gbc_repeatPasswordField.fill = GridBagConstraints.HORIZONTAL;
gbc_repeatPasswordField.gridx = 1;
gbc_repeatPasswordField.gridy = 2;
errorMessage = new JLabel();
gbc_errorMessage = new GridBagConstraints();
gbc_errorMessage.gridx = 1;
gbc_errorMessage.gridy = 3;
gbc_errorMessage.fill = GridBagConstraints.HORIZONTAL;
gbc_errorMessage.insets = new Insets(5, 5, 5, 5);
errorMessage.setForeground(Color.RED);
errorMessage.setVisible(false);
contentPanel.add(errorMessage, gbc_errorMessage);
buttonPane = new JPanel();
registerText = new JTextPane();
registerText.setEditable(false);
registerText.setText("Register?");
registerText.setFont(new Font("Arial", Font.BOLD, 12));
registerText.setAlignmentX(LEFT_ALIGNMENT);
buttonPane.add(registerText);
registerCheckBox = new JCheckBox();
registerCheckBox.setAlignmentX(LEFT_ALIGNMENT);
registerCheckBox.addItemListener(e -> {
switch (e.getStateChange()) {
case ItemEvent.SELECTED:
contentPanel.add(lblRepeatPassword, gbc_lblRepeatPassword);
contentPanel.add(repeatPasswordField, gbc_repeatPasswordField);
setSize(338, 173);
break;
case ItemEvent.DESELECTED:
if (repeatPasswordField.getParent() == contentPanel) {
contentPanel.remove(lblRepeatPassword);
contentPanel.remove(repeatPasswordField);
setSize(338, 148);
}
break;
}
contentPanel.revalidate();
contentPanel.repaint();
});
buttonPane.add(registerCheckBox);
buttonPane.setLayout(new FlowLayout(FlowLayout.RIGHT));
getContentPane().add(buttonPane, BorderLayout.SOUTH);
okButton = new PrimaryButton("OK");
okButton.setActionCommand("OK");
buttonPane.add(okButton);
getRootPane().setDefaultButton(okButton);
cancelButton = new PrimaryButton("Cancel");
cancelButton.setActionCommand("Cancel");
buttonPane.add(cancelButton);
setTheme();
setModalityType(Dialog.DEFAULT_MODALITY_TYPE);
EventBus.getInstance().register(HandshakeSuccessfulEvent.class, evt -> dispose());
}
/**
* Resets the text stored in the password fields.
*
* @since Envoy Client v0.3-alpha
*/
private void clearPasswordFields() {
passwordField.setText(null);
repeatPasswordField.setText(null);
}
private void setTheme() {
Theme theme = Settings.getInstance().getCurrentTheme();
// Panels
contentPanel.setBackground(theme.getBackgroundColor());
contentPanel.setForeground(theme.getBackgroundColor());
buttonPane.setBackground(theme.getBackgroundColor());
buttonPane.setForeground(theme.getBackgroundColor());
// Input Fields
textField.setBackground(theme.getCellColor());
textField.setForeground(theme.getUserNameColor());
passwordField.setBackground(theme.getCellColor());
passwordField.setForeground(theme.getUserNameColor());
repeatPasswordField.setBackground(theme.getCellColor());
repeatPasswordField.setForeground(theme.getUserNameColor());
// JLabels
lblUserName.setBackground(theme.getCellColor());
lblUserName.setForeground(theme.getUserNameColor());
lblPassword.setBackground(theme.getCellColor());
lblPassword.setForeground(theme.getUserNameColor());
lblRepeatPassword.setBackground(theme.getCellColor());
lblRepeatPassword.setForeground(theme.getUserNameColor());
// Register
registerText.setBackground(theme.getCellColor());
registerText.setForeground(theme.getUserNameColor());
registerCheckBox.setBackground(theme.getCellColor());
// Buttons
okButton.setBackground(theme.getInteractableBackgroundColor());
okButton.setForeground(theme.getInteractableForegroundColor());
cancelButton.setBackground(theme.getInteractableBackgroundColor());
cancelButton.setForeground(theme.getInteractableForegroundColor());
}
/**
* Shuts the system down properly if the login was aborted.
*
* @since Envoy Client v0.1-beta
*/
private void abortLogin() {
logger.info("The login process has been cancelled. Exiting...");
System.exit(0);
}
}

13
src/main/java/envoy/client/ui/container/package-info.java
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/**
* This package contains all graphical Containers, like Dialogs and Frames.<br>
* <br>
* Project: <strong>envoy-client</strong><br>
* File: <strong>package-info.java</strong><br>
* Created: <strong>16 Mar 2020</strong><br>
*
* @author Leon Hofmeister
* @author Kai S. K. Engelbart
* @author Maximilian K&auml;fer
* @since Envoy Client v0.1-beta
*/
package envoy.client.ui.container;