Added settings object and light theme

Improvements:
* settings are implemented via Preferences API
* fixed "bug" that made partner name pane editable
* light theme is added as new display method

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

@@ -2,6 +2,8 @@ package envoy.client;
 
 import java.util.prefs.Preferences;
 
+import envoy.schema.User;
+
 /**
  * Project: <strong>envoy-client</strong><br>
  * File: <strong>Settings.java</strong><br>
@@ -37,8 +39,8 @@ public class Settings {
 	public static Settings getInstance() {
 		if (settings == null) {
 			settings = new Settings();
+			settings.load();
 		}
-		settings.load();
 		return settings;
 	}
 
@@ -55,6 +57,13 @@ public class Settings {
 		prefs.putBoolean("darkMode", settings.isDarkMode());
 		prefs.putBoolean("enterToSend", settings.isEnterToSend());
 	}
+	
+	public void firstSave(User user) {
+		prefs.put("username", user.getName());
+//		prefs.put("email", user.getEmail());
+//		prefs.putBoolean("darkMode", true);
+//		prefs.putBoolean("enterToSend", true);
+	}
 
 	/**
 	 * @return the username

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

@@ -51,7 +51,6 @@ public class ChatWindow extends JFrame {
 	// user specific objects
 	private Client		client;
 	private LocalDB		localDB;
-	private Settings	settings;
 	// used colors in Envoy
 	private UIColors uiColors = UIColors.getInstance(true);
 	// GUI components
@@ -63,15 +62,14 @@ public class ChatWindow extends JFrame {
 	private JScrollPane		scrollPane				= new JScrollPane();
 	private JTextPane		textPane				= new JTextPane();
 	// private JCheckBox jCbChangeMode;
-	private JButton	postButton = new JButton();
+	private JButton	postButton = new JButton("Post");
-	private JButton	settingsButton = new JButton();
+	private JButton	settingsButton = new JButton("Settings");
 
 	private static int space = 4;
 
-	public ChatWindow(Client client, LocalDB localDB, Settings setting) {
+	public ChatWindow(Client client, LocalDB localDB) {
 		this.client		= client;
 		this.localDB	= localDB;
-		this.settings	= setting;
 
 		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 		setBounds(100, 100, 600, 800);
@@ -119,7 +117,6 @@ public class ChatWindow extends JFrame {
 		gbc_scrollPane.gridy		= 1;
 
 		gbc_scrollPane.insets = new Insets(space, space, space, space);
-
 		contentPane.add(scrollPane, gbc_scrollPane);
 
 		// Message enter field
@@ -128,7 +125,7 @@ public class ChatWindow extends JFrame {
 			@Override
 			public void keyReleased(KeyEvent e) {
 
-				if (e.getKeyCode() == KeyEvent.VK_ENTER && ((settings.isEnterToSend() && e.getModifiersEx() == 0)
+				if (e.getKeyCode() == KeyEvent.VK_ENTER && ((Settings.getInstance().isEnterToSend() && e.getModifiersEx() == 0)
 						|| (e.getModifiersEx() == KeyEvent.CTRL_DOWN_MASK))) {
 
 					postMessage(messageList);
@@ -179,6 +176,7 @@ public class ChatWindow extends JFrame {
 		settingsButton.addActionListener((evt) -> {
 			try {
 				SettingsScreen.open();
+				changeChatWindowColors();
 			} catch (Exception e) {
 				System.err.println("An error occured while opening the settings screen: " + e);
 				e.printStackTrace();
@@ -188,6 +186,7 @@ public class ChatWindow extends JFrame {
 
 		// Partner name display
 		textPane.setFont(new Font("Arial", Font.PLAIN, 20));
+		textPane.setEditable(false);
 
 		GridBagConstraints gbc_partnerName = new GridBagConstraints();
 		gbc_partnerName.fill	= GridBagConstraints.HORIZONTAL;
@@ -216,7 +215,6 @@ public class ChatWindow extends JFrame {
 				readCurrentChat();
 
 				client.setRecipient(user);
-
 				textPane.setText(currentChat.getRecipient().getName());
 
 				messageList.setModel(currentChat.getModel());
@@ -251,7 +249,7 @@ public class ChatWindow extends JFrame {
 	 * @since Envoy v0.1-alpha
 	 */
 	public void changeChatWindowColors() {
-		uiColors.setDisplayMode(settings.isDarkMode());
+		uiColors.setDisplayMode(Settings.getInstance().isDarkMode());
 
 		// contentPane
 		contentPane.setBackground(uiColors.getBackgroundColor());

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

@@ -8,7 +8,6 @@ import java.awt.Insets;
 
 import javax.swing.JButton;
 import javax.swing.JDialog;
-import javax.swing.JOptionPane;//TODO: temporary
 import javax.swing.JPanel;
 import javax.swing.border.EmptyBorder;
 
@@ -30,8 +29,6 @@ public class SettingsScreen extends JDialog {
 	private JPanel					buttonPane			= new JPanel();
 	private JButton					okButton			= new JButton("Save");
 	private JButton					cancelButton		= new JButton("Cancel");
-	private static Settings			settings;
-	private static UIColors			uiColors;
 	private static int				space				= 5;
 	private static SettingsScreen	settingsScreen;
 
@@ -47,8 +44,7 @@ public class SettingsScreen extends JDialog {
 	 */
 	public static void open() {
 
-		settings = Settings.getInstance();
+		UIColors.getInstance(Settings.getInstance().isDarkMode());
-		uiColors.setDisplayMode(settings.isDarkMode());
 		settingsScreen = new SettingsScreen();
 		settingsScreen.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
 		settingsScreen.setModal(true);
@@ -98,16 +94,23 @@ public class SettingsScreen extends JDialog {
 				getRootPane().setDefaultButton(okButton);
 				okButton.addActionListener((evt) -> {
 					try {
-						settings.setUsername(settings.getUsername());// still temporary value
+						Settings.getInstance().setUsername(Settings.getInstance().getUsername());// still temporary
-						settings.setEmail(settings.getEmail());// still temporary value
+																									// value
-						settings.setDarkMode(false);// TODO temporary values while no UI is implemented
+						Settings.getInstance().setEmail(Settings.getInstance().getEmail());// still temporary value
-						settings.setEnterToSend(settings.isEnterToSend());// still temporary value
+						Settings.getInstance().setDarkMode(!Settings.getInstance().isDarkMode());// TODO temporary
-						settings.save();
+																									// values while no
+																									// UI is implemented
+						Settings.getInstance().setEnterToSend(Settings.getInstance().isEnterToSend());// still temporary
+																										// value
+						Settings.getInstance().save();
+						UIColors.getUIColors().setDisplayMode(Settings.getInstance().isDarkMode());
+						changeSettingsScreenColors();
+						revalidate();
+						repaint();
 					} catch (Exception e) {
 						System.err.println("Something went wrong when changing the setting");
 						settingsScreen.dispose();
 					}
-					JOptionPane.showConfirmDialog(settingsScreen, "Successfully changed settings");
 				});
 			}
 		}
@@ -116,17 +119,17 @@ public class SettingsScreen extends JDialog {
 
 	private void changeSettingsScreenColors() {
 		// whole JDialog
-		setBackground(uiColors.getBackgroundColor());
+		setBackground(UIColors.getUIColors().getBackgroundColor());
 		// contentPanel
-		contentPanel.setBackground(uiColors.getBackgroundColor());
+		contentPanel.setBackground(UIColors.getUIColors().getBackgroundColor());
 		// buttonPane
-		buttonPane.setBackground(uiColors.getBackgroundColor());
+		buttonPane.setBackground(UIColors.getUIColors().getBackgroundColor());
 		// cancelButton
-		cancelButton.setBackground(uiColors.getSpecialUseColor());
+		cancelButton.setBackground(UIColors.getUIColors().getSpecialUseColor());
-		cancelButton.setForeground(uiColors.getTextColor());
+		cancelButton.setForeground(UIColors.getUIColors().getTextColor());
 		// okButton
-		okButton.setBackground(uiColors.getSpecialUseColor());
+		okButton.setBackground(UIColors.getUIColors().getSpecialUseColor());
-		okButton.setForeground(uiColors.getTextColor());
+		okButton.setForeground(UIColors.getUIColors().getTextColor());
 
 	}
 

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

@@ -61,11 +61,11 @@ public class Startup {
 					"Local DB error",
 					JOptionPane.WARNING_MESSAGE);
 		}
-		Settings settings = Settings.getInstance();//TODO delete line
+		Settings.getInstance().firstSave(client.getSender());
-
+		
 		EventQueue.invokeLater(() -> {
 			try {
-				ChatWindow frame = new ChatWindow(client, localDB, settings);
+				ChatWindow frame = new ChatWindow(client, localDB);
 				frame.setVisible(true);
 			} catch (Exception e) {
 				e.printStackTrace();

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

@@ -115,10 +115,9 @@ public class UIColors {
 	 */
 	public void setTextColor(Color textColor) { this.textColor = textColor; }
 
-	@Deprecated
 	/**
 	 * @return the uiColors object
 	 * @since Envoy v0.2-alpha
 	 */
-	public static UIColors getEnvoyColors() { return uIColors; }
+	public static UIColors getUIColors() { return uIColors; }
 }