Changed SettingsPane mechanism a bit

client/src/main/java/envoy/client/net/Client.java

@@ -193,7 +193,7 @@ public class Client implements Closeable {
 	 * @param evt the event to send
 	 * @throws IOException if the event did not reach the server
 	 */
-	public void sendEvent(Event<?> evt) throws IOException { writeObject(evt); }
+	public void sendEvent(Event<?> evt) throws IOException { if (online) writeObject(evt); }
 
 	/**
 	 * Requests a new {@link IDGenerator} from the server.

client/src/main/java/envoy/client/ui/controller/ChatScene.java

@@ -147,7 +147,7 @@ public final class ChatScene implements Restorable {
 			// The sender of the message is the recipient of the chat
 			// Exceptions: this user is the sender (sync) or group message (group is
 			// recipient)
-			final long recipientID = message instanceof GroupMessage || message.getSenderID() == localDB.getUser().getID() ? message.getRecipientID()
+			final var recipientID = message instanceof GroupMessage || message.getSenderID() == localDB.getUser().getID() ? message.getRecipientID()
 					: message.getSenderID();
 			localDB.getChat(recipientID).ifPresent(chat -> {
 				chat.insert(message);
@@ -200,7 +200,7 @@ public final class ChatScene implements Restorable {
 			switch (e.getOperationType()) {
 				case ADD:
 					if (contact instanceof User) localDB.getUsers().put(contact.getName(), (User) contact);
-					final Chat chat = contact instanceof User ? new Chat(contact) : new GroupChat(client.getSender(), contact);
+					final var chat = contact instanceof User ? new Chat(contact) : new GroupChat(client.getSender(), contact);
 					Platform.runLater(() -> chatList.getItems().add(chat));
 					break;
 				case REMOVE:
@@ -264,7 +264,7 @@ public final class ChatScene implements Restorable {
 	private void chatListClicked() {
 		if (chatList.getSelectionModel().isEmpty()) return;
 
-		final Contact user = chatList.getSelectionModel().getSelectedItem().getRecipient();
+		final var user = chatList.getSelectionModel().getSelectedItem().getRecipient();
 		if (user != null && (currentChat == null || !user.equals(currentChat.getRecipient()))) {
 
 			// LEON: JFC <===> JAVA FRIED CHICKEN <=/=> Java Foundation Classes
@@ -311,7 +311,7 @@ public final class ChatScene implements Restorable {
 	@FXML
 	private void settingsButtonClicked() {
 		sceneContext.load(SceneContext.SceneInfo.SETTINGS_SCENE);
-		sceneContext.<SettingsScene>getController().initializeData(sceneContext);
+		sceneContext.<SettingsScene>getController().initializeData(sceneContext, localDB.getUser());
 	}
 
 	/**
@@ -377,7 +377,7 @@ public final class ChatScene implements Restorable {
 			}
 
 			// Get attachment type (default is document)
-			AttachmentType type = AttachmentType.DOCUMENT;
+			var type = AttachmentType.DOCUMENT;
 			switch (fileChooser.getSelectedExtensionFilter().getDescription()) {
 				case "Pictures":
 					type = AttachmentType.PICTURE;
@@ -452,7 +452,7 @@ public final class ChatScene implements Restorable {
 		messageTextUpdated();
 		// Sending an IsTyping event if none has been sent for
 		// IsTyping#millisecondsActive
-		if (client.isOnline() && currentChat.getLastWritingEvent() + IsTyping.millisecondsActive <= System.currentTimeMillis()) {
+		if (currentChat.getLastWritingEvent() + IsTyping.millisecondsActive <= System.currentTimeMillis()) {
 			eventBus.dispatch(new SendEvent(new IsTyping(getChatID(), currentChat.getRecipient().getID())));
 			currentChat.lastWritingEventWasNow();
 		}
@@ -461,9 +461,9 @@ public final class ChatScene implements Restorable {
 	}
 
 	/**
-	 * Returns the id that should be used to send things to the server:
+	 * Returns the id that should be used to send things to the server: the id of
-	 * the id of 'our' {@link User} if the recipient of that object is another User,
+	 * 'our' {@link User} if the recipient of that object is another User, else the
-	 * else the id of the {@link Group} 'our' user is sending to.
+	 * id of the {@link Group} 'our' user is sending to.
 	 *
 	 * @return an id that can be sent to the server
 	 * @since Envoy Client v0.2-beta
@@ -517,8 +517,8 @@ public final class ChatScene implements Restorable {
 	 * @since Envoy Client v0.1-beta
 	 */
 	private void updateRemainingCharsLabel() {
-		final int	currentLength	= messageTextArea.getText().length();
+		final var	currentLength	= messageTextArea.getText().length();
-		final int	remainingLength	= MAX_MESSAGE_LENGTH - currentLength;
+		final var	remainingLength	= MAX_MESSAGE_LENGTH - currentLength;
 		remainingChars.setText(String.format("remaining chars: %d/%d", remainingLength, MAX_MESSAGE_LENGTH));
 		remainingChars.setTextFill(Color.rgb(currentLength, remainingLength, 0, 1));
 	}
@@ -607,9 +607,8 @@ public final class ChatScene implements Restorable {
 
 	/**
 	 * Updates the {@code attachmentView} in terms of visibility.<br>
-	 * Additionally resets the shown image to
+	 * Additionally resets the shown image to {@code DEFAULT_ATTACHMENT_VIEW_IMAGE}
-	 * {@code DEFAULT_ATTACHMENT_VIEW_IMAGE} if another image is currently
+	 * if another image is currently present.
-	 * present.
 	 *
 	 * @param visible whether the {@code attachmentView} should be displayed
 	 * @since Envoy Client v0.1-beta

client/src/main/java/envoy/client/ui/controller/SettingsScene.java

@@ -4,9 +4,8 @@ import javafx.fxml.FXML;
 import javafx.scene.control.*;
 
 import envoy.client.ui.SceneContext;
-import envoy.client.ui.settings.DownloadSettingsPane;
+import envoy.client.ui.settings.*;
-import envoy.client.ui.settings.GeneralSettingsPane;
+import envoy.data.User;
-import envoy.client.ui.settings.SettingsPane;
 
 /**
  * Project: <strong>envoy-client</strong><br>
@@ -28,10 +27,13 @@ public class SettingsScene {
 
 	/**
 	 * @param sceneContext enables the user to return to the chat scene
+	 * @param client       the user who uses Envoy
 	 * @since Envoy Client v0.1-beta
 	 */
-	public void initializeData(SceneContext sceneContext) {
+	public void initializeData(SceneContext sceneContext, User client) {
 		this.sceneContext = sceneContext;
+		settingsList.getItems().add(new GeneralSettingsPane());
+		settingsList.getItems().add(new UserSettingsPane(sceneContext, client));
 		settingsList.getItems().add(new DownloadSettingsPane(sceneContext));
 	}
 
@@ -45,8 +47,6 @@ public class SettingsScene {
 				if (!empty && item != null) setGraphic(new Label(item.getTitle()));
 			}
 		});
-
-		settingsList.getItems().add(new GeneralSettingsPane());
 	}
 
 	@FXML

client/src/main/java/envoy/client/ui/settings/DownloadSettingsPane.java

@@ -5,7 +5,6 @@ import javafx.scene.control.Button;
 import javafx.scene.control.CheckBox;
 import javafx.scene.control.Label;
 import javafx.scene.layout.HBox;
-import javafx.scene.layout.VBox;
 import javafx.stage.DirectoryChooser;
 
 import envoy.client.ui.SceneContext;
@@ -31,7 +30,7 @@ public class DownloadSettingsPane extends SettingsPane {
 	 */
 	public DownloadSettingsPane(SceneContext sceneContext) {
 		super("Download");
-		final var vbox = new VBox(15);
+		vbox.setSpacing(15);
 		vbox.setPadding(new Insets(15));
 		// checkbox to disable asking
 		final var checkBox = new CheckBox(settings.getItems().get("autoSaveDownloads").getUserFriendlyName());
@@ -60,6 +59,5 @@ public class DownloadSettingsPane extends SettingsPane {
 		});
 		hbox.getChildren().add(button);
 		vbox.getChildren().add(hbox);
-		getChildren().add(vbox);
 	}
 }

client/src/main/java/envoy/client/ui/settings/GeneralSettingsPane.java

@@ -3,7 +3,6 @@ package envoy.client.ui.settings;
 import java.util.List;
 
 import javafx.scene.control.ComboBox;
-import javafx.scene.layout.VBox;
 
 import envoy.client.data.SettingsItem;
 import envoy.client.event.ThemeChangeEvent;
@@ -25,7 +24,6 @@ public class GeneralSettingsPane extends SettingsPane {
 	 */
 	public GeneralSettingsPane() {
 		super("General");
-		final var vbox = new VBox();
 
 		// TODO: Support other value types
 		List.of("hideOnClose", "enterToSend")
@@ -48,7 +46,5 @@ public class GeneralSettingsPane extends SettingsPane {
 		// TODO add action when value is changed
 		statusComboBox.setOnAction(e -> {});
 		vbox.getChildren().add(statusComboBox);
-
-		getChildren().add(vbox);
 	}
 }

client/src/main/java/envoy/client/ui/settings/SettingsPane.java

@@ -1,6 +1,7 @@
 package envoy.client.ui.settings;
 
 import javafx.scene.layout.Pane;
+import javafx.scene.layout.VBox;
 
 import envoy.client.data.Settings;
 
@@ -14,11 +15,15 @@ import envoy.client.data.Settings;
  */
 public abstract class SettingsPane extends Pane {
 
-	protected String title;
+	protected String		title;
+	protected final VBox	vbox	= new VBox();
 
 	protected static final Settings settings = Settings.getInstance();
 
-	protected SettingsPane(String title) { this.title = title; }
+	protected SettingsPane(String title) {
+		this.title = title;
+		getChildren().add(vbox);
+	}
 
 	/**
 	 * @return the title of this settings pane

client/src/main/java/envoy/client/ui/settings/UserSettingsPane.java

@@ -0,0 +1,68 @@
+package envoy.client.ui.settings;
+
+import javafx.scene.control.Alert;
+import javafx.scene.control.Alert.AlertType;
+
+import envoy.client.event.SendEvent;
+import envoy.client.ui.SceneContext;
+import envoy.data.User;
+import envoy.event.*;
+import envoy.util.Bounds;
+
+/**
+ * Project: <strong>envoy-client</strong><br>
+ * File: <strong>UserSettingsPane.java</strong><br>
+ * Created: <strong>31.07.2020</strong><br>
+ *
+ * @author Leon Hofmeister
+ * @since Envoy Client v0.2-beta
+ */
+public class UserSettingsPane extends SettingsPane {
+
+	private boolean	profilePicChanged, usernameChanged, passwordChanged, validPassword;
+	private byte[]	currentImageBytes;
+	private String	newUsername, newPassword;
+
+	/**
+	 * Creates a new {@code UserSettingsPane}.
+	 *
+	 * @param sceneContext the {@code SceneContext} to block input to Envoy
+	 * @param user         the user who wants to customize his profile
+	 * @since Envoy Client v0.2-beta
+	 */
+	public UserSettingsPane(SceneContext sceneContext, User user) { super("User"); }
+
+	/**
+	 * Saves the given input and sends the changed input to the server
+	 *
+	 * @param username the new username
+	 * @since Envoy Client v0.2-beta
+	 */
+	private void save(long userID, String oldPassword) {
+		final var eventbus = EventBus.getInstance();
+
+		// The profile pic was changed
+		if (profilePicChanged) eventbus.dispatch(new SendEvent(new ProfilePicChange(currentImageBytes, userID)));
+
+		// The username was changed
+		final var validContactName = Bounds.isValidContactName(newUsername);
+		if (usernameChanged && validContactName) eventbus.dispatch(new SendEvent(new NameChange(userID, newUsername)));
+		else if (!validContactName) {
+			final var alert = new Alert(AlertType.ERROR);
+			alert.setTitle("Invalid username");
+			alert.setContentText("The entered username does not conform with the naming limitations: " + Bounds.CONTACT_NAME_PATTERN);
+			alert.showAndWait();
+			return;
+		}
+
+		// The password was changed
+		if (passwordChanged && validPassword) eventbus.dispatch(new SendEvent(new PasswordChangeRequest(newPassword, oldPassword, userID)));
+		else if (!(validPassword || newPassword != null && newPassword.isBlank())) {
+			final var alert = new Alert(AlertType.ERROR);
+			alert.setTitle("Unequal Password");
+			alert.setContentText("Repeated password is unequal to the chosen new password");
+			alert.showAndWait();
+			return;
+		}
+	}
+}