Revised requested changes besides 2 (please change by yourself)

src/main/java/envoy/client/Config.java

@@ -121,14 +121,12 @@ public class Config {
 	public void setLocalDB(File localDB) { this.localDB = localDB; }
 
 	/**
-	 * 
 	 * @return the current time (milliseconds) that is waited between Syncs
 	 * @since Envoy v0.1-alpha
 	 */
 	public int getSyncTimeout() { return syncTimeout; }
 
 	/**
-	 * 
 	 * @param syncTimeout sets the time (milliseconds) during which Sync waits
 	 * @since Envoy v0.1-alpha
 	 */

src/main/java/envoy/client/Settings.java

@@ -89,6 +89,12 @@ public class Settings {
 						Color.black, Color.black));
 	}
 
+	/**
+	 * updates prefs when save button is clicked
+	 * 
+	 * @throws IOException
+	 * @since Envoy v0.2-alpha
+	 */
 	public void save() throws IOException{
 		prefs.put("username", getUsername());
 		prefs.put("email", getEmail());
@@ -102,13 +108,29 @@ public class Settings {
 		}
 	}
 
+	/**
+	 * adds new theme to the theme map and sets current theme to the new theme.
+	 * 
+	 * @param theme
+	 * @since Envoy v0.2-alpha
+	 */
 	public void addNewThemeToMap(Theme theme) {
 		settings.getThemes().put(theme.getThemeName(), theme);
 		currentTheme = theme.getThemeName();
 	}
 
+	/**
+	 * @return {@link currentTheme}
+	 * @since Envoy v0.2-alpha
+	 */
 	public String getCurrentTheme() { return currentTheme; }
 
+	/**
+	 * Sets the currentTheme
+	 * 
+	 * @param themeName
+	 * @since Envoy v0.2-alpha
+	 */
 	public void setCurrentTheme(String themeName) { currentTheme = themeName; }
 
 	/**
@@ -151,7 +173,17 @@ public class Settings {
 	 */
 	public void setEnterToSend(boolean enterToSend) { this.enterToSend = enterToSend; }
 
+	/**
+	 * @return {@link themes} map
+	 * @since Envoy v0.2-alpha
+	 */
 	public Map<String, Theme> getThemes() { return themes; }
 
+	/**
+	 * Sets {@link themes}
+	 * 
+	 * @param themes
+	 * @since Envoy v0.2-alpha
+	 */
 	public void setThemes(Map<String, Theme> themes) { this.themes = themes; }
 }

src/main/java/envoy/client/ui/ChatWindow.java

@@ -1,6 +1,5 @@
 package envoy.client.ui;
 
-import java.awt.Color;
 import java.awt.ComponentOrientation;
 import java.awt.Font;
 import java.awt.GridBagConstraints;
@@ -136,6 +135,7 @@ public class ChatWindow extends JFrame {
 						&& ((Settings.getInstance().isEnterToSend() && e.getModifiersEx() == 0)
 								|| (e.getModifiersEx() == KeyEvent.CTRL_DOWN_MASK))) {
 					postMessage(messageList);
+				}
 			}
 		});
 		// Checks for changed Message
@@ -244,6 +244,7 @@ public class ChatWindow extends JFrame {
 
 		contentPane.revalidate();
 	}
+	
 
 	/**
 	 * Used to immediately reload the ChatWindow when settings were changed.
@@ -282,19 +283,22 @@ public class ChatWindow extends JFrame {
 		userList.setSelectionBackground(theme.getSelectionColor());
 		userList.setForeground(theme.getUserNameColor());
 		userList.setBackground(theme.getCellColor());
-
 	}
-    
+
 	private void postMessage(JList<Message> messageList) {
 		if (!client.hasRecipient()) {
-			JOptionPane.showMessageDialog(this, "Please select a recipient!", "Cannot send message", JOptionPane.INFORMATION_MESSAGE);
+			JOptionPane.showMessageDialog(this,
+					"Please select a recipient!",
+					"Cannot send message",
+					JOptionPane.INFORMATION_MESSAGE);
 			return;
 		}
 
 		if (!messageEnterTextArea.getText().isEmpty()) try {
 
 			// Create and send message object
-			final Message message = localDB.createMessage(messageEnterTextArea.getText(), currentChat.getRecipient());
+			final Message message = localDB.createMessage(messageEnterTextArea.getText(),
+					currentChat.getRecipient().getID());
 			currentChat.appendMessage(message);
 			messageList.setModel(currentChat.getModel());
 
@@ -344,7 +348,8 @@ public class ChatWindow extends JFrame {
 			new Thread(() -> {
 
 				// Synchronize
-				localDB.applySync(client.sendSync(client.getSender().getID(), localDB.fillSync(client.getSender().getID())));
+				localDB.applySync(
+						client.sendSync(client.getSender().getID(), localDB.fillSync(client.getSender().getID())));
 
 				// Process unread messages
 				localDB.addUnreadMessagesToLocalDB();
@@ -354,7 +359,8 @@ public class ChatWindow extends JFrame {
 				readCurrentChat();
 
 				// Update UI
-				SwingUtilities.invokeLater(() -> { updateUserStates(); contentPane.revalidate(); contentPane.repaint(); });
+				SwingUtilities
+					.invokeLater(() -> { updateUserStates(); contentPane.revalidate(); contentPane.repaint(); });
 			}).start();
 		}).start();
 	}
@@ -371,3 +377,4 @@ public class ChatWindow extends JFrame {
 	 */
 	private void readCurrentChat() { if (currentChat != null) { localDB.setMessagesToRead(currentChat); } }
 }
+

src/main/java/envoy/client/ui/SettingsScreen.java

@@ -11,6 +11,7 @@ import java.awt.Insets;
 import java.awt.event.ItemEvent;
 import java.awt.event.ItemListener;
 import java.util.Arrays;
+import java.util.logging.Logger;
 
 import javax.swing.BoxLayout;
 import javax.swing.DefaultListModel;
@@ -24,6 +25,7 @@ import javax.swing.JPanel;
 import javax.swing.JTextPane;
 import javax.swing.ListSelectionModel;
 
+import envoy.client.LocalDB;
 import envoy.client.Settings;
 
 /**
@@ -64,6 +66,8 @@ public class SettingsScreen extends JDialog {
 	private boolean	colorChanged	= false;
 	private Theme	temporaryTheme;
 
+	private static final Logger logger = Logger.getLogger(LocalDB.class.getSimpleName());
+
 	private static SettingsScreen settingsScreen;
 
 	// TODO: Add a JPanel with all the Information necessary:
@@ -89,8 +93,7 @@ public class SettingsScreen extends JDialog {
 	 * @since Envoy v0.1-alpha
 	 */
 	private SettingsScreen() {
-
+		logger.info(Settings.getInstance().getCurrentTheme());
-		System.out.println(Settings.getInstance().getCurrentTheme());
 
 		setBounds(10, 10, 450, 650);
 		getContentPane().setLayout(new BorderLayout());
@@ -98,7 +101,8 @@ public class SettingsScreen extends JDialog {
 
 			createNewThemeButton.setEnabled(false);
 
-			temporaryTheme = new Theme("temporaryTheme", Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()));
+			temporaryTheme = new Theme("temporaryTheme",
+					Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()));
 
 			// Content pane
 			GridBagLayout gbl_contentPanel = new GridBagLayout();
@@ -147,13 +151,10 @@ public class SettingsScreen extends JDialog {
 			gbc_optionsList.insets	= new Insets(space, space, space, space);
 
 			optionsListModel.addElement("Color Themes");
-
 			options.setModel(optionsListModel);
-
 			contentPanel.add(options, gbc_optionsList);
 
 			// Theme content
-
 			gbc_themeContent		= new GridBagConstraints();
 			gbc_themeContent.fill	= GridBagConstraints.BOTH;
 			gbc_themeContent.gridx	= 1;
@@ -206,7 +207,13 @@ public class SettingsScreen extends JDialog {
 					theme.getBackgroundColor(),
 					"Background",
 					1);
-			buildCustomizeElement(new JPanel(), new JButton(), new JTextPane(), theme, theme.getCellColor(), "Cells", 2);
+			buildCustomizeElement(new JPanel(),
+					new JButton(),
+					new JTextPane(),
+					theme,
+					theme.getCellColor(),
+					"Cells",
+					2);
 			buildCustomizeElement(new JPanel(),
 					new JButton(),
 					new JTextPane(),
@@ -221,11 +228,41 @@ public class SettingsScreen extends JDialog {
 					theme.getInteractableBackgroundColor(),
 					"Interactable Background",
 					4);
-			buildCustomizeElement(new JPanel(), new JButton(), new JTextPane(), theme, theme.getMessageColorChat(), "Messages Chat", 5);
+			buildCustomizeElement(new JPanel(),
-			buildCustomizeElement(new JPanel(), new JButton(), new JTextPane(), theme, theme.getDateColorChat(), "Date Chat", 6);
+					new JButton(),
-			buildCustomizeElement(new JPanel(), new JButton(), new JTextPane(), theme, theme.getSelectionColor(), "Selection", 7);
+					new JTextPane(),
-			buildCustomizeElement(new JPanel(), new JButton(), new JTextPane(), theme, theme.getTypingMessageColor(), "Typing Message", 8);
+					theme,
-			buildCustomizeElement(new JPanel(), new JButton(), new JTextPane(), theme, theme.getUserNameColor(), "User Names", 9);
+					theme.getMessageColorChat(),
+					"Messages Chat",
+					5);
+			buildCustomizeElement(new JPanel(),
+					new JButton(),
+					new JTextPane(),
+					theme,
+					theme.getDateColorChat(),
+					"Date Chat",
+					6);
+			buildCustomizeElement(new JPanel(),
+					new JButton(),
+					new JTextPane(),
+					theme,
+					theme.getSelectionColor(),
+					"Selection",
+					7);
+			buildCustomizeElement(new JPanel(),
+					new JButton(),
+					new JTextPane(),
+					theme,
+					theme.getTypingMessageColor(),
+					"Typing Message",
+					8);
+			buildCustomizeElement(new JPanel(),
+					new JButton(),
+					new JTextPane(),
+					theme,
+					theme.getUserNameColor(),
+					"User Names",
+					9);
 
 			GridBagConstraints gbc_colorsPanel = new GridBagConstraints();
 			gbc_colorsPanel.fill		= GridBagConstraints.HORIZONTAL;
@@ -246,14 +283,16 @@ public class SettingsScreen extends JDialog {
 					String s = JOptionPane.showInputDialog("Enter a name for the new theme");
 					System.out.println(s);
 					Settings.getInstance()
-						.addNewThemeToMap(new Theme(s, temporaryTheme.getBackgroundColor(), temporaryTheme.getCellColor(),
+						.addNewThemeToMap(new Theme(s, temporaryTheme.getBackgroundColor(),
-								temporaryTheme.getInteractableForegroundColor(), temporaryTheme.getInteractableBackgroundColor(),
+								temporaryTheme.getCellColor(), temporaryTheme.getInteractableForegroundColor(),
-								temporaryTheme.getMessageColorChat(), temporaryTheme.getDateColorChat(), temporaryTheme.getSelectionColor(),
+								temporaryTheme.getInteractableBackgroundColor(), temporaryTheme.getMessageColorChat(),
+								temporaryTheme.getDateColorChat(), temporaryTheme.getSelectionColor(),
 								temporaryTheme.getTypingMessageColor(), temporaryTheme.getUserNameColor()));
 					themeArray							= Arrays.copyOf(themeArray, themeArray.length + 1);
 					themeArray[themeArray.length - 1]	= Settings.getInstance().getThemes().get(s).getThemeName();
 
-					temporaryTheme = new Theme("temporaryTheme", Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()));
+					temporaryTheme = new Theme("temporaryTheme",
+							Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()));
 
 					createNewThemeButton.setEnabled(false);
 					themes.addItem(themeArray[themeArray.length - 1]);
@@ -264,7 +303,7 @@ public class SettingsScreen extends JDialog {
 					// TODO: Create new Theme
 
 				} catch (Exception e) {
-					System.err.println("New theme couldn't be created! " + e);
+					logger.info("New theme couldn't be created! " + e);
 					e.printStackTrace();
 				}
 			});
@@ -326,7 +365,7 @@ public class SettingsScreen extends JDialog {
 						revalidate();
 						repaint();
 					} catch (Exception e) {
-						System.err.println("Something went wrong when changing the setting");
+						logger.info("Something went wrong when changing the setting");
 						settingsScreen.dispose();
 					}
 				});
@@ -373,12 +412,21 @@ public class SettingsScreen extends JDialog {
 		temporaryTheme = new Theme("temporaryTheme",
 				Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()).getBackgroundColor(),
 				Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()).getCellColor(),
-				Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()).getInteractableForegroundColor(),
+				Settings.getInstance()
-				Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()).getInteractableBackgroundColor(),
+					.getThemes()
+					.get(Settings.getInstance().getCurrentTheme())
+					.getInteractableForegroundColor(),
+				Settings.getInstance()
+					.getThemes()
+					.get(Settings.getInstance().getCurrentTheme())
+					.getInteractableBackgroundColor(),
 				Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()).getMessageColorChat(),
 				Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()).getDateColorChat(),
 				Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()).getSelectionColor(),
-				Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()).getTypingMessageColor(),
+				Settings.getInstance()
+					.getThemes()
+					.get(Settings.getInstance().getCurrentTheme())
+					.getTypingMessageColor(),
 				Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()).getUserNameColor());
 
 		colorsPanel.removeAll();
@@ -465,7 +513,8 @@ public class SettingsScreen extends JDialog {
 
 	private void setContent(JPanel content, GridBagConstraints layout) { contentPanel.add(content, layout); }
 
-	private void buildCustomizeElement(JPanel panel, JButton button, JTextPane textPane, Theme theme, Color color, String name, int yIndex) {
+	private void buildCustomizeElement(JPanel panel, JButton button, JTextPane textPane, Theme theme, Color color,
+			String name, int yIndex) {
 		textPane.setFont(new Font("Arial", Font.PLAIN, 14));
 		textPane.setBackground(theme.getBackgroundColor());
 		textPane.setForeground(theme.getUserNameColor());
@@ -497,7 +546,7 @@ public class SettingsScreen extends JDialog {
 				}
 
 			} catch (Exception e) {
-				System.err.println("An error occured while opening Color Chooser: " + e);
+				logger.info("An error occured while opening Color Chooser: " + e);
 				e.printStackTrace();
 			}
 		});

src/main/java/envoy/client/ui/Theme.java

@@ -4,7 +4,6 @@ import java.awt.Color;
 import java.io.Serializable;
 
 /**
- * 
  * Project: <strong>envoy-client</strong><br>
  * File: <strong>Theme.java</strong><br>
  * Created: <strong>23 Nov 2019</strong><br>
@@ -50,26 +49,70 @@ public class Theme implements Serializable {
 				other.typingMessageColor, other.userNameColor);
 	}
 
+	/**
+	 * @return name of the theme
+	 * @since Envoy v0.2-alpha
+	 */
 	public String getThemeName() { return themeName; }
 
+	/**
+	 * @return interactableForegroundColor
+	 * @since Envoy v0.2-alpha
+	 */
 	public Color getInteractableForegroundColor() { return interactableForegroundColor; }
 
+	/**
+	 * @return messageColorChat
+	 * @since Envoy v0.2-alpha
+	 */
 	public Color getMessageColorChat() { return messageColorChat; }
 
+	/**
+	 * @return dateColorChat
+	 * @since Envoy v0.2-alpha
+	 */
 	public Color getDateColorChat() { return dateColorChat; }
 
+	/**
+	 * @return selectionColor
+	 * @since Envoy v0.2-alpha
+	 */
 	public Color getSelectionColor() { return selectionColor; }
 
+	/**
+	 * @return typingMessageColor
+	 * @since Envoy v0.2-alpha
+	 */
 	public Color getTypingMessageColor() { return typingMessageColor; }
 
+	/**
+	 * @return backgroundColor
+	 * @since Envoy v0.2-alpha
+	 */
 	public Color getBackgroundColor() { return backgroundColor; }
 
+	/**
+	 * @return cellColor
+	 * @since Envoy v0.2-alpha
+	 */
 	public Color getCellColor() { return cellColor; }
 
+	/**
+	 * @return interactableBackgroundColor
+	 * @since Envoy v0.2-alpha
+	 */
 	public Color getInteractableBackgroundColor() { return interactableBackgroundColor; }
 
+	/**
+	 * @return userNameColor
+	 * @since Envoy v0.2-alpha
+	 */
 	public Color getUserNameColor() { return userNameColor; }
 
+	/**
+	 * @return a color array containing all colors of this theme
+	 * @since Envoy v0.2-alpha
+	 */
 	public Color[] getAllColors() {
 		Color[] c = new Color[9];
 		c[0]	= backgroundColor;
@@ -85,6 +128,24 @@ public class Theme implements Serializable {
 		return c;
 	}
 
+	/**
+	 * Sets the a specific {@link Color} in this theme to a new {@link Color}
+	 * 
+	 * @param index    - index of the color </br>
+	 *                 0 = backgroundColor </br>
+	 *                 1 = cellColor </br>
+	 *                 2 = interactableForegroundColor </br>
+	 *                 3 = interactableBackgroundColor </br>
+	 *                 4 = messageColorChat </br>
+	 *                 5 = dateColorChat </br>
+	 *                 6 = selectionColor </br>
+	 *                 7 = typingMessageColor </br>
+	 *                 8 = userNameColor </br>
+	 *                 </br>
+	 * 
+	 * @param newColor - new {@link Color} to be set
+	 * @since Envoy 0.2-alpha
+	 */
 	public void setColor(int index, Color newColor) {
 		switch (index) {
 			case 0:
@@ -114,7 +175,6 @@ public class Theme implements Serializable {
 			case 8:
 				this.userNameColor = newColor;
 				break;
-
 		}
 	}
 

src/main/java/envoy/client/ui/UserListRenderer.java

@@ -45,7 +45,6 @@ public class UserListRenderer extends JLabel implements ListCellRenderer<User> {
 
 		// Getting the UserNameColor of the current theme
 		String				textColor	= null;
-
 		textColor = toHex(
 				Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()).getUserNameColor());
 		switch (status) {