Implemented login error messages

git-svn-id: svn://sunsvr01.isp.uni-luebeck.de/swproj13/trunk@500 72836036-5685-4462-b002-a69064685172

mock/jrummikub/control/network/MockConnectionControl.java

@@ -12,6 +12,7 @@ import jrummikub.util.IEvent2;
 import jrummikub.util.MockEvent;
 import jrummikub.util.MockEvent1;
 import jrummikub.util.MockEvent2;
+import jrummikub.view.LoginError;
 
 /** */
 public class MockConnectionControl implements IConnectionControl {
@@ -20,7 +21,7 @@ public class MockConnectionControl implements IConnectionControl {
 	/** */
 	public MockEvent connectedEvent = new MockEvent();
 	/** */
-	public MockEvent connectionFailedEvent = new MockEvent();
+	public MockEvent1<LoginError> connectionFailedEvent = new MockEvent1<LoginError>();
 	/** */
 	public MockEvent1<GameData> gameOfferEvent = new MockEvent1<GameData>();
 	/** */
@@ -66,7 +67,7 @@ public class MockConnectionControl implements IConnectionControl {
 	@Override
 	public void connect() {
 		if (failOnConnect) {
-			connectionFailedEvent.emit();
+			connectionFailedEvent.emit(LoginError.UNKNOWN_ERROR);
 		} else {
 			connected = true;
 			connectedEvent.emit();
@@ -84,7 +85,7 @@ public class MockConnectionControl implements IConnectionControl {
 	}
 
 	@Override
-	public IEvent getConnectionFailedEvent() {
+	public IEvent1<LoginError> getConnectionFailedEvent() {
 		return connectionFailedEvent;
 	}
 

mock/jrummikub/view/MockView.java

@@ -224,6 +224,12 @@ public class MockView implements IView {
 		return gameListPanel;
 	}
 
+	@Override
+	public IConnectPanel getConnectPanel() {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
 	@Override
 	public void setInitialMeldError(int points) {
 		// TODO Auto-generated method stub
@@ -295,4 +301,10 @@ public class MockView implements IView {
 	public void load() {
 		// TODO Auto-generated method stub
 	}
+
+	@Override
+	public void showConnectPanel(boolean show) {
+		// TODO Auto-generated method stub
+
+	}
 }

src/jrummikub/control/ApplicationControl.java

@@ -32,7 +32,7 @@ public class ApplicationControl {
 	 * Creates a new application control
 	 * 
 	 * @param view
-	 *            the view to use
+	 *          the view to use
 	 */
 	public ApplicationControl(final IView view) {
 		this.view = view;
@@ -43,15 +43,16 @@ public class ApplicationControl {
 			public void handle() {
 				view.getQuitWarningPanel().setMode(QuitMode.QUIT_GAME);
 				view.showQuitWarningPanel(true);
-				tempConnection = view.getQuitWarningPanel().getQuitEvent().add(new IListener() {
+				tempConnection = view.getQuitWarningPanel().getQuitEvent()
-					@Override
+						.add(new IListener() {
-					public void handle() {
+							@Override
-						abortControls();
+							public void handle() {
-						startApplication();
+								abortControls();
-						view.showQuitWarningPanel(false);
+								startApplication();
-						tempConnection.remove();
+								view.showQuitWarningPanel(false);
-					}
+								tempConnection.remove();
-				});
+							}
+						});
 			}
 		});
 		view.getMenuQuitEvent().add(new IListener() {
@@ -89,7 +90,7 @@ public class ApplicationControl {
 				}
 			}
 		});
-		
+
 		view.getQuitWarningPanel().getCancelEvent().add(new IListener() {
 			@Override
 			public void handle() {
@@ -97,16 +98,22 @@ public class ApplicationControl {
 			}
 		});
 
-		addLoginControlListeners();
+		view.getNetworkGameEvent().add(new IListener() {
+			@Override
+			public void handle() {
+				abortControls();
+
+				createLoginControl();
+			}
+		});
 
 		saveControl.getLoadEvent().add(
 				new IListener3<GameSettings, GameState, IRoundState>() {
 					@Override
-					public void handle(GameSettings settings,
+					public void handle(GameSettings settings, GameState gameState,
-							GameState gameState, IRoundState roundState) {
+							IRoundState roundState) {
 						abortControls();
-						gameControl = new GameControl(settings, saveControl,
+						gameControl = new GameControl(settings, saveControl, view);
-								view);
 						addGameControlListeners(gameControl);
 						gameControl.continueGame(gameState, roundState);
 					}
@@ -119,28 +126,21 @@ public class ApplicationControl {
 		});
 	}
 
-	private void addLoginControlListeners() {
+	private void createLoginControl() {
-		view.getNetworkGameEvent().add(new IListener() {
+		loginControl = new LoginControl(view);
+		loginControl.getLoginEvent().add(new IListener1<LoginData>() {
 			@Override
-			public void handle() {
+			public void handle(LoginData loginData) {
-				abortControls();
+				createNetworkControl(loginData);
-
-				loginControl = new LoginControl(view);
-				loginControl.getLoginEvent().add(new IListener1<LoginData>() {
-					@Override
-					public void handle(LoginData loginData) {
-						createNetworkControl(loginData);
-					}
-				});
-				loginControl.getCancelEvent().add(new IListener() {
-					@Override
-					public void handle() {
-						startApplication();
-					}
-				});
-				loginControl.startLogin();
 			}
 		});
+		loginControl.getCancelEvent().add(new IListener() {
+			@Override
+			public void handle() {
+				startApplication();
+			}
+		});
+		loginControl.startLogin();
 	}
 
 	private void abortControls() {
@@ -215,6 +215,14 @@ public class ApplicationControl {
 			}
 		});
 
+		networkControl.getBackToLoginEvent().add(new IListener() {
+			@Override
+			public void handle() {
+				networkControl = null;
+				createLoginControl();
+			}
+		});
+
 		networkControl.startNetwork();
 	}
 }

src/jrummikub/control/LoginControl.java

@@ -27,7 +27,7 @@ public class LoginControl {
 	 * Constructor for login Control
 	 * 
 	 * @param view
-	 *            for events which need handling
+	 *          for events which need handling
 	 */
 	public LoginControl(final IView view) {
 		this.view = view;
@@ -36,18 +36,18 @@ public class LoginControl {
 					@Override
 					public void handle(LoginData loginData) {
 						abort();
+						// TODO connectPanel anzeigen
 						loginEvent.emit(loginData);
 					}
 				}));
 
-		connections.add(view.getLoginPanel().getCancelEvent()
+		connections.add(view.getLoginPanel().getCancelEvent().add(new IListener() {
-				.add(new IListener() {
+			@Override
-					@Override
+			public void handle() {
-					public void handle() {
+				abort();
-						abort();
+				cancelEvent.emit();
-						cancelEvent.emit();
+			}
-					}
+		}));
-				}));
 	}
 
 	/**

src/jrummikub/control/network/ConnectionControl.java

@@ -16,6 +16,7 @@ import jrummikub.util.IEvent;
 import jrummikub.util.IEvent1;
 import jrummikub.util.IEvent2;
 import jrummikub.util.LoginData;
+import jrummikub.view.LoginError;
 
 import org.jivesoftware.smack.Connection;
 import org.jivesoftware.smack.PacketListener;
@@ -46,7 +47,7 @@ public class ConnectionControl implements IConnectionControl {
 	private volatile MultiUserChat muc;
 
 	private Event connectedEvent = new Event();
-	private Event connectionFailedEvent = new Event();
+	private Event1<LoginError> connectionFailedEvent = new Event1<LoginError>();
 
 	private Event1<GameData> gameOfferEvent = new Event1<GameData>();
 	private Event1<UUID> gameWithdrawalEvent = new Event1<UUID>();
@@ -72,7 +73,7 @@ public class ConnectionControl implements IConnectionControl {
 	 * Creates new connection control
 	 * 
 	 * @param loginData
-	 *            player's login data
+	 *          player's login data
 	 */
 	public ConnectionControl(LoginData loginData) {
 		this.loginData = loginData;
@@ -91,7 +92,7 @@ public class ConnectionControl implements IConnectionControl {
 	@Override
 	public void disconnect() {
 		connectedEvent = new Event();
-		connectionFailedEvent = new Event();
+		connectionFailedEvent = new Event1<LoginError>();
 		run(new Runnable() {
 			@Override
 			public void run() {
@@ -111,7 +112,7 @@ public class ConnectionControl implements IConnectionControl {
 	}
 
 	@Override
-	public IEvent getConnectionFailedEvent() {
+	public IEvent1<LoginError> getConnectionFailedEvent() {
 		return connectionFailedEvent;
 	}
 
@@ -252,8 +253,7 @@ public class ConnectionControl implements IConnectionControl {
 			protected void addData(DefaultPacketExtension extension) {
 				extension.setValue("messageType", "change_color");
 				extension.setValue("uuid", uuid.toString());
-				extension.setValue("color",
+				extension.setValue("color", Base64.encodeObject(color, Base64.GZIP));
-						Base64.encodeObject(color, Base64.GZIP));
 			}
 		});
 	}
@@ -316,8 +316,8 @@ public class ConnectionControl implements IConnectionControl {
 			protected void addData(DefaultPacketExtension extension) {
 				extension.setValue("messageType", "game_offer");
 				extension.setValue("uuid", data.getGameID().toString());
-				extension.setValue("gameSettings", Base64.encodeObject(
+				extension.setValue("gameSettings",
-						data.getGameSettings(), Base64.GZIP));
+						Base64.encodeObject(data.getGameSettings(), Base64.GZIP));
 			}
 		});
 	}
@@ -340,6 +340,15 @@ public class ConnectionControl implements IConnectionControl {
 		});
 	}
 
+	private static <T> void emitLater(final Event1<T> event, final T arg) {
+		SwingUtilities.invokeLater(new Runnable() {
+			@Override
+			public void run() {
+				event.emit(arg);
+			}
+		});
+	}
+
 	private Message createMessage(PacketExtension extension) {
 		Message message = muc.createMessage();
 		message.addExtension(extension);
@@ -355,8 +364,8 @@ public class ConnectionControl implements IConnectionControl {
 				.getExtension(ELEMENT_NAME, NAMESPACE);
 
 		if (((Message) packet).getType() == Message.Type.error) {
-			System.err.println("Received error message from '"
+			System.err.println("Received error message from '" + packet.getFrom()
-					+ packet.getFrom() + "'");
+					+ "'");
 			return;
 		}
 
@@ -372,14 +381,13 @@ public class ConnectionControl implements IConnectionControl {
 			String sender, String messageType) {
 		if (messageType.equals("game_offer")) {
 			UUID uuid = UUID.fromString(extension.getValue("uuid"));
-			GameSettings settings = (GameSettings) Base64
+			GameSettings settings = (GameSettings) Base64.decodeToObject(extension
-					.decodeToObject(extension.getValue("gameSettings"));
+					.getValue("gameSettings"));
 
 			GameData gameData = new GameData(uuid, settings, sender);
 			gameOfferEvent.emit(gameData);
 		} else if (messageType.equals("game_withdrawal")) {
-			gameWithdrawalEvent
+			gameWithdrawalEvent.emit(UUID.fromString(extension.getValue("uuid")));
-					.emit(UUID.fromString(extension.getValue("uuid")));
 		} else if (messageType.equals("game_request")) {
 			if (offeredGame != null) {
 				sendGameOffer();
@@ -447,10 +455,26 @@ public class ConnectionControl implements IConnectionControl {
 					connection.disconnect();
 					connection = null;
 
-					// TODO Auto-generated catch block
+					XMPPError xmppError = e.getXMPPError();
-					e.printStackTrace();
 
-					emitLater(connectionFailedEvent);
+					if (xmppError != null) {
+						int code = xmppError.getCode();
+						if (code == 504) {
+							emitLater(connectionFailedEvent, LoginError.UNKNOWN_HOST);
+							return;
+						} else if (code == 404) {
+							emitLater(connectionFailedEvent, LoginError.UNKNOWN_CHANNEL);
+							return;
+						} else if (code == 503) {
+							emitLater(connectionFailedEvent, LoginError.RESOURCE_CONFLICT);
+							return;
+						} else if (code == 401 || code == 402 || code == 407) {
+							emitLater(connectionFailedEvent, LoginError.AUTHENTICATION_FAILED);
+							return;
+						}
+					}
+					e.printStackTrace();
+					emitLater(connectionFailedEvent, LoginError.UNKNOWN_ERROR);
 				}
 			}
 		}
@@ -471,8 +495,7 @@ public class ConnectionControl implements IConnectionControl {
 					break; // Join was successful, break the loop
 				} catch (XMPPException e) {
 					XMPPError error = e.getXMPPError();
-					if (error.getType() == Type.CANCEL
+					if (error.getType() == Type.CANCEL && error.getCode() == 409) {
-							&& error.getCode() == 409) {
 						// There was a conflict, try again with another
 						// nickname
 						nickname += "_";

src/jrummikub/control/network/IConnectionControl.java

@@ -9,6 +9,7 @@ import jrummikub.util.GameData;
 import jrummikub.util.IEvent;
 import jrummikub.util.IEvent1;
 import jrummikub.util.IEvent2;
+import jrummikub.view.LoginError;
 
 interface IConnectionControl {
 
@@ -20,7 +21,7 @@ interface IConnectionControl {
 
 	public IEvent getConnectedEvent();
 
-	public IEvent getConnectionFailedEvent();
+	public IEvent1<LoginError> getConnectionFailedEvent();
 
 	public IEvent1<GameData> getGameOfferEvent();
 
@@ -65,5 +66,4 @@ interface IConnectionControl {
 	public void endTurn(ITable table);
 
 	public void startTurn(IRoundState state);
-
 }

src/jrummikub/control/network/NetworkControl.java

@@ -15,6 +15,7 @@ import jrummikub.util.IListener;
 import jrummikub.util.IListener1;
 import jrummikub.util.LoginData;
 import jrummikub.view.IView;
+import jrummikub.view.LoginError;
 
 /**
  * Class dealing with network connection, offering and choice of network games
@@ -24,6 +25,7 @@ public class NetworkControl {
 	private IView view;
 	private List<Connection> connections = new ArrayList<Connection>();
 	private Event stopNetworkEvent = new Event();
+	private Event backToLoginEvent = new Event();
 
 	private NetworkSettingsControl settingsControl;
 	private GameOfferControl gameOfferControl;
@@ -36,11 +38,11 @@ public class NetworkControl {
 	 * Creates a new network control
 	 * 
 	 * @param loginData
-	 *            user's login data
+	 *          user's login data
 	 * @param connectionControl
-	 *            current connection for events and messages
+	 *          current connection for events and messages
 	 * @param view
-	 *            for events and handlers
+	 *          for events and handlers
 	 */
 	public NetworkControl(final LoginData loginData,
 			IConnectionControl connectionControl, final IView view) {
@@ -85,7 +87,7 @@ public class NetworkControl {
 	 * Adds the listeners for connection control events
 	 * 
 	 * @param view
-	 *            view for events
+	 *          view for events
 	 */
 	public void addConnectionControlListeners(final IView view) {
 		connections.add(connectionControl.getGameOfferEvent().add(
@@ -133,22 +135,29 @@ public class NetworkControl {
 
 	private void addConnectionSetupListeners(final LoginData loginData,
 			final IView view) {
-		connections.add(connectionControl.getConnectedEvent().add(
+		connections.add(connectionControl.getConnectedEvent().add(new IListener() {
-				new IListener() {
+			@Override
+			public void handle() {
+				view.getGameListPanel().setChannelName(loginData.getChannelName());
+				view.showGameListPanel(true);
+			}
+		}));
+
+		connections.add(connectionControl.getConnectionFailedEvent().add(
+				new IListener1<LoginError>() {
 					@Override
-					public void handle() {
+					public void handle(LoginError error) {
-						view.getGameListPanel().setChannelName(
+						view.getConnectPanel().setMode(error);
-								loginData.getChannelName());
+						view.showConnectPanel(true);
-						view.showGameListPanel(true);
 					}
 				}));
 
-		connections.add(connectionControl.getConnectionFailedEvent().add(
+		connections.add(view.getConnectPanel().getCancelEvent()
-				new IListener() {
+				.add(new IListener() {
 					@Override
 					public void handle() {
-						// TODO Auto-generated method stub
+						abort();
-
+						backToLoginEvent.emit();
 					}
 				}));
 	}
@@ -181,9 +190,11 @@ public class NetworkControl {
 	}
 
 	/**
-	 * Starts a new network connection with the sepcified data
+	 * Starts a new network connection with the specified data
 	 */
 	public void startNetwork() {
+		view.showConnectPanel(true);
+		view.getConnectPanel().setMode(null);
 		connectionControl.connect();
 	}
 
@@ -195,6 +206,7 @@ public class NetworkControl {
 			c.remove();
 		}
 		view.showGameListPanel(false);
+		view.showConnectPanel(false);
 
 		if (settingsControl != null) {
 			settingsControl.abort();
@@ -218,6 +230,10 @@ public class NetworkControl {
 		return stopNetworkEvent;
 	}
 
+	public IEvent getBackToLoginEvent() {
+		return backToLoginEvent;
+	}
+
 	private void createSettingsControl() {
 		if (settingsControl != null) {
 			return;
@@ -247,8 +263,7 @@ public class NetworkControl {
 		if (gameOfferControl != null) {
 			return;
 		}
-		gameOfferControl = new GameOfferControl(connectionControl, settings,
+		gameOfferControl = new GameOfferControl(connectionControl, settings, view);
-				view);
 		gameOfferControl.getBackEvent().add(new IListener() {
 			@Override
 			public void handle() {

src/jrummikub/view/IConnectPanel.java

@@ -0,0 +1,11 @@
+package jrummikub.view;
+
+import jrummikub.util.IEvent;
+
+public interface IConnectPanel {
+
+	public void setMode(LoginError error);
+
+	public IEvent getCancelEvent();
+
+}

src/jrummikub/view/IView.java

@@ -59,7 +59,7 @@ public interface IView {
 	 * Sets the current player's name
 	 * 
 	 * @param playerName
-	 *            the player name
+	 *          the player name
 	 */
 	public void setCurrentPlayerName(String playerName);
 
@@ -67,7 +67,7 @@ public interface IView {
 	 * Sets the stones that are to be painted selected
 	 * 
 	 * @param stones
-	 *            the stones to be painted selected
+	 *          the stones to be painted selected
 	 */
 	public void setSelectedStones(Collection<Stone> stones);
 
@@ -104,7 +104,7 @@ public interface IView {
 	 * Shows or hides the game settings panel
 	 * 
 	 * @param show
-	 *            specifies if the panel shall be shown or hidden
+	 *          specifies if the panel shall be shown or hidden
 	 */
 	public void showSettingsPanel(boolean show);
 
@@ -112,7 +112,7 @@ public interface IView {
 	 * Shows or hides the score panel
 	 * 
 	 * @param show
-	 *            specifies if the panel shall be shown or hidden
+	 *          specifies if the panel shall be shown or hidden
 	 */
 	public void showScorePanel(boolean show);
 
@@ -121,16 +121,16 @@ public interface IView {
 	 * along with the name
 	 * 
 	 * @param color
-	 *            the current player's color
+	 *          the current player's color
 	 */
 	public void setCurrentPlayerColor(Color color);
 
 	/**
-	 * Is used for the PlayerPanel to display if a player has laid out along
+	 * Is used for the PlayerPanel to display if a player has laid out along with
-	 * with the name
+	 * the name
 	 * 
 	 * @param hasLaidOut
-	 *            specifies if the current player has laid out or not
+	 *          specifies if the current player has laid out or not
 	 */
 	public void setCurrentPlayerHasLaidOut(boolean hasLaidOut);
 
@@ -145,13 +145,13 @@ public interface IView {
 	 * Sets the bottom panels type
 	 * 
 	 * @param type
-	 *            the type of the bottom panel
+	 *          the type of the bottom panel
 	 */
 	public void setBottomPanel(BottomPanelType type);
 
 	/**
-	 * The menu new game event is emitted when the user selects the new game
+	 * The menu new game event is emitted when the user selects the new game menu
-	 * menu entry
+	 * entry
 	 * 
 	 * @return the event
 	 */
@@ -226,7 +226,7 @@ public interface IView {
 	 * Show/hide login panel
 	 * 
 	 * @param show
-	 *            true = login panel is shown
+	 *          true = login panel is shown
 	 */
 	public void showLoginPanel(boolean show);
 
@@ -234,7 +234,7 @@ public interface IView {
 	 * Enable/disable pause mode
 	 * 
 	 * @param enable
-	 *            true = enable
+	 *          true = enable
 	 */
 	public void enablePauseMode(boolean enable);
 
@@ -242,7 +242,7 @@ public interface IView {
 	 * Show/hide game list panel
 	 * 
 	 * @param show
-	 *            true = show
+	 *          true = show
 	 */
 	public void showGameListPanel(boolean show);
 
@@ -250,7 +250,7 @@ public interface IView {
 	 * Show/hide side panel
 	 * 
 	 * @param show
-	 *            true to show
+	 *          true to show
 	 */
 	void showSidePanel(boolean show);
 
@@ -258,7 +258,7 @@ public interface IView {
 	 * Is set if a player tried to lay out less than initial meld threshold
 	 * 
 	 * @param points
-	 *            initial meld threshold
+	 *          initial meld threshold
 	 */
 	public void setInitialMeldError(int points);
 
@@ -266,7 +266,7 @@ public interface IView {
 	 * Show stone collection
 	 * 
 	 * @param enable
-	 *            showing collection
+	 *          showing collection
 	 */
 	public void setStoneCollectionHidden(boolean enable);
 
@@ -279,7 +279,7 @@ public interface IView {
 	 * Set invalid sets to enable showing
 	 * 
 	 * @param sets
-	 *            invalid sets on table
+	 *          invalid sets on table
 	 */
 	public void setInvalidStoneSets(Collection<StoneSet> sets);
 
@@ -322,4 +322,8 @@ public interface IView {
 	public IEvent1<File> getLoadFileEvent();
 
 	public void load();
+
+	public void showConnectPanel(boolean show);
+
+	public IConnectPanel getConnectPanel();
 }

src/jrummikub/view/LoginError.java

@@ -0,0 +1,18 @@
+package jrummikub.view;
+
+public enum LoginError {
+	/** */
+	UNKNOWN_ERROR,
+	/** */
+	TIMEOUT,
+	/** */
+	CONNECTION_REFUSED,
+	/** */
+	AUTHENTICATION_FAILED,
+	/** */
+	RESOURCE_CONFLICT,
+	/** */
+	UNKNOWN_HOST,
+	/** */
+	UNKNOWN_CHANNEL
+}

src/jrummikub/view/impl/ConnectPanel.java

@@ -0,0 +1,109 @@
+package jrummikub.view.impl;
+
+import java.awt.Color;
+import java.awt.GridBagConstraints;
+import java.awt.GridBagLayout;
+import java.awt.Insets;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+import javax.swing.JButton;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JProgressBar;
+import javax.swing.SwingConstants;
+import javax.swing.border.CompoundBorder;
+import javax.swing.border.EmptyBorder;
+import javax.swing.border.LineBorder;
+
+import jrummikub.util.Event;
+import jrummikub.util.IEvent;
+import jrummikub.view.IConnectPanel;
+import jrummikub.view.LoginError;
+
+public class ConnectPanel extends JPanel implements IConnectPanel {
+	private JLabel messageLabel;
+	private JProgressBar foobar;
+	private JButton cancelButton;
+
+	private Event cancelEvent = new Event();
+
+	public ConnectPanel() {
+		setLayout(new GridBagLayout());
+
+		GridBagConstraints c = new GridBagConstraints();
+		c.gridx = 0;
+		c.gridy = 0;
+		c.weightx = 1;
+		c.weighty = 1;
+		c.fill = GridBagConstraints.BOTH;
+		c.anchor = GridBagConstraints.CENTER;
+
+		messageLabel = new JLabel();
+		messageLabel.setHorizontalAlignment(SwingConstants.CENTER);
+		add(messageLabel, c);
+
+		c.gridy = 1;
+		c.insets = new Insets(5, 5, 5, 5);
+
+		foobar = new JProgressBar();
+		foobar.setIndeterminate(true);
+		add(foobar, c);
+
+		c.gridy = 2;
+
+		cancelButton = new JButton();
+		cancelButton.addActionListener(new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent e) {
+				cancelEvent.emit();
+			}
+		});
+		add(cancelButton, c);
+
+		setBorder(new CompoundBorder(new LineBorder(Color.BLACK), new EmptyBorder(
+				10, 10, 10, 10)));
+	}
+
+	@Override
+	public void setMode(LoginError error) {
+		if (error == null) {
+			foobar.setVisible(true);
+			messageLabel.setText("Verbindung wird hergestellt");
+			cancelButton.setText("Abbrechen");
+		} else {
+			foobar.setVisible(false);
+			String text = "";
+			switch (error) {
+			case UNKNOWN_ERROR:
+				text = "Ein unbekannter Fehler ist aufgetreten";
+				break;
+			case AUTHENTICATION_FAILED:
+				text = "Die Authentifizierung ist fehlgeschlagen";
+				break;
+			case CONNECTION_REFUSED:
+				text = "Die Verbindung wurde abgelehnt";
+				break;
+			case RESOURCE_CONFLICT:
+				text = "Es gibt bereits einen solchen Spieler";
+				break;
+			case TIMEOUT:
+				text = "Der Server reagiert nicht";
+				break;
+			case UNKNOWN_CHANNEL:
+				text = "Der Channel konnte nicht gefunden werden";
+				break;
+			case UNKNOWN_HOST:
+				text = "Der Server konnte nicht gefunden werden";
+				break;
+			}
+			messageLabel.setText(text);
+		}
+	}
+
+	@Override
+	public IEvent getCancelEvent() {
+		return cancelEvent;
+	}
+
+}

src/jrummikub/view/impl/QuitWarningPanel.java

@@ -19,7 +19,6 @@ import jrummikub.util.IEvent;
 import jrummikub.view.IQuitWarningPanel;
 
 public class QuitWarningPanel extends JPanel implements IQuitWarningPanel {
-	private JPanel buttonPanel;
 	private JButton cancelButton;
 	private JButton quitButton;
 	private QuitMode quitMode;
@@ -51,8 +50,8 @@ public class QuitWarningPanel extends JPanel implements IQuitWarningPanel {
 		c.gridx = 1;
 		add(quitButton, c);
 
-		setBorder(new CompoundBorder(new LineBorder(Color.BLACK),
+		setBorder(new CompoundBorder(new LineBorder(Color.BLACK), new EmptyBorder(
-				new EmptyBorder(10, 10, 10, 10)));
+				10, 10, 10, 10)));
 	}
 
 	private JButton createButton(String title, final Event event) {
@@ -71,8 +70,7 @@ public class QuitWarningPanel extends JPanel implements IQuitWarningPanel {
 		this.quitMode = mode;
 		switch (quitMode) {
 		case QUIT_PROCESS:
-			messageLabel
+			messageLabel.setText("Beim Beenden geht das aktuelle Spiel verloren");
-					.setText("Beim Beenden geht das aktuelle Spiel verloren");
 			break;
 		case QUIT_GAME:
 			messageLabel.setText("Der aktuelle Spielstand geht verloren");

src/jrummikub/view/impl/View.java

@@ -14,6 +14,7 @@ import java.util.Collection;
 import java.util.Collections;
 import java.util.List;
 
+import javax.swing.JComponent;
 import javax.swing.JFileChooser;
 import javax.swing.JFrame;
 import javax.swing.JLayeredPane;
@@ -36,6 +37,7 @@ import jrummikub.util.IEvent;
 import jrummikub.util.IEvent1;
 import jrummikub.util.IListener;
 import jrummikub.util.Pair;
+import jrummikub.view.IConnectPanel;
 import jrummikub.view.IGameListPanel;
 import jrummikub.view.IHandPanel;
 import jrummikub.view.ILoginPanel;
@@ -73,7 +75,7 @@ public class View extends JFrame implements IView {
 	private GameListPanel gameListPanel;
 	private SidePanel sidePanel;
 	private QuitWarningPanel quitWarningPanel;
-
+	private ConnectPanel connectPanel;
 	private BottomPanelType bottomPanelType;
 
 	private JFileChooser chooser;
@@ -131,6 +133,11 @@ public class View extends JFrame implements IView {
 		return quitWarningPanel;
 	}
 
+	@Override
+	public IConnectPanel getConnectPanel() {
+		return connectPanel;
+	}
+
 	@Override
 	public IGameListPanel getGameListPanel() {
 		return gameListPanel;
@@ -150,9 +157,9 @@ public class View extends JFrame implements IView {
 	public IEvent1<File> getLoadFileEvent() {
 		return loadFileEvent;
 	}
-	
+
 	@Override
-	public IEvent getLoadEvent(){
+	public IEvent getLoadEvent() {
 		return loadEvent;
 	}
 
@@ -287,7 +294,7 @@ public class View extends JFrame implements IView {
 
 		setSize(1000, 700);
 		setMinimumSize(new Dimension(750, 550));
-		
+
 		setDefaultCloseOperation(DO_NOTHING_ON_CLOSE);
 		addWindowListener(new WindowAdapter() {
 			@Override
@@ -312,19 +319,21 @@ public class View extends JFrame implements IView {
 
 		loginPanel = new LoginPanel();
 		loginPanel.setVisible(false);
-
 		layeredPane.setLayer(loginPanel, JLayeredPane.POPUP_LAYER);
 		layeredPane.add(loginPanel);
 
 		gameListPanel = new GameListPanel();
 		gameListPanel.setVisible(false);
-
 		layeredPane.setLayer(gameListPanel, JLayeredPane.POPUP_LAYER);
 		layeredPane.add(gameListPanel);
 
+		connectPanel = new ConnectPanel();
+		connectPanel.setVisible(false);
+		layeredPane.setLayer(connectPanel, JLayeredPane.POPUP_LAYER);
+		layeredPane.add(connectPanel);
+
 		quitWarningPanel = new QuitWarningPanel();
 		quitWarningPanel.setVisible(false);
-
 		layeredPane.setLayer(quitWarningPanel, JLayeredPane.POPUP_LAYER);
 		layeredPane.add(quitWarningPanel);
 
@@ -386,10 +395,6 @@ public class View extends JFrame implements IView {
 		winPanel.setVisible(false);
 		mainLayer.add(winPanel);
 
-		quitWarningPanel = new QuitWarningPanel();
-		quitWarningPanel.setVisible(false);
-		mainLayer.add(quitWarningPanel);
-
 		sidePanel = new SidePanel();
 		sidePanel.setVisible(false);
 		mainLayer.add(sidePanel);
@@ -440,7 +445,8 @@ public class View extends JFrame implements IView {
 		rescaleSubpanel(loginPanel, 1 / 3.0, 1 / 3.0, 200, 200);
 		rescaleSubpanel(gameListPanel, 1 / 2.0, 1 / 2.0, 475, 300);
 		rescaleSubpanel(quitWarningPanel, 1 / 2.0, 1 / 6.0, 400, 150);
-}
+		rescaleSubpanel(connectPanel, 1 / 2.0, 1 / 6.0, 400, 150);
+	}
 
 	private void rescaleSubpanel(JPanel sub, double widthFactor,
 			double heightFactor, int minWidth, int minHeight) {
@@ -504,6 +510,11 @@ public class View extends JFrame implements IView {
 		quitWarningPanel.setVisible(show);
 	}
 
+	@Override
+	public void showConnectPanel(boolean show) {
+		connectPanel.setVisible(show);
+	}
+
 	@Override
 	public void setCurrentPlayerName(String playerName) {
 		playerPanel.setCurrentPlayerName(playerName);
@@ -600,7 +611,6 @@ public class View extends JFrame implements IView {
 	@Override
 	public void setBottomPanel(BottomPanelType type) {
 		bottomPanelType = type;
-
 		doSetBottomPanel(type);
 	}