Merge pull request #77 from informatik-ag-ngl/f/onCloseToggleSwitch

General Settings screen

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

@@ -1,11 +1,11 @@
 package envoy.client;
 
-import java.awt.Color;
 import java.io.*;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.prefs.Preferences;
 
+import envoy.client.ui.Color;
 import envoy.client.ui.Theme;
 
 /**
@@ -28,6 +28,7 @@ public class Settings {
 	private boolean				enterToSend	= true;
 	private Map<String, Theme>	themes;
 	private String				currentTheme;
+	private boolean				currentOnCloseMode;
 
 	/**
 	 * Required to save the settings.
@@ -64,6 +65,7 @@ public class Settings {
 	private void load() {
 		setEnterToSend(prefs.getBoolean("enterToSend", true));
 		setCurrentTheme(prefs.get("theme", "dark"));
+		setCurrentOnCloseMode(prefs.getBoolean("onCloseMode", true));
 
 		// Load themes from theme file
 		try (ObjectInputStream in = new ObjectInputStream(new FileInputStream(themeFile))) {
@@ -94,6 +96,7 @@ public class Settings {
 	public void save() throws IOException {
 		prefs.put("theme", currentTheme);
 		prefs.putBoolean("enterToSend", isEnterToSend());
+		prefs.putBoolean("onCloseMode", currentOnCloseMode);
 
 		// Save themes to theme file
 		themeFile.createNewFile();
@@ -155,4 +158,18 @@ public class Settings {
 	 * @since Envoy v0.2-alpha
 	 */
 	public void setThemes(Map<String, Theme> themes) { this.themes = themes; }
+
+	/**
+	 * @return the current on close mode.
+	 * @since Envoy v0.3-alpha
+	 */
+	public boolean getCurrentOnCloseMode() { return currentOnCloseMode; }
+
+	/**
+	 * Sets the current on close mode.
+	 *
+	 * @param currentOnCloseMode the on close mode that should be set.
+	 * @since Envoy v0.3-alpha
+	 */
+	public void setCurrentOnCloseMode(boolean currentOnCloseMode) { this.currentOnCloseMode = currentOnCloseMode; }
 }

src/main/java/envoy/client/event/EnterToSendEvent.java

@@ -0,0 +1,27 @@
+package envoy.client.event;
+
+/**
+ * Encapsulates a change to the {@code enterToSend} setting.<br>
+ * <br>
+ * Project: <strong>envoy-client</strong><br>
+ * File: <strong>EnterToSendEvent.java</strong><br>
+ * Created: <strong>22 Dec 2019</strong><br>
+ *
+ * @author Maximilian K&auml;fer
+ * @since Envoy v0.3-alpha
+ */
+public class EnterToSendEvent implements Event<Boolean> {
+
+	private boolean mode;
+
+	/**
+	 * Initializes an {@link EnterToSendEvent}.
+	 * 
+	 * @param mode the state of the {@code enterToSend} setting
+	 * @since Envoy 0.3-alpha
+	 */
+	public EnterToSendEvent(boolean mode) { this.mode = mode; }
+
+	@Override
+	public Boolean get() { return mode; }
+}

src/main/java/envoy/client/event/OnCloseChangeEvent.java

@@ -0,0 +1,27 @@
+package envoy.client.event;
+
+/**
+ * Encapsulates a change to the {@code currentOnCloseMode} setting.<br>
+ * <br>
+ * Project: <strong>envoy-client</strong><br>
+ * File: <strong>OnCloseChangeEvent.java</strong><br>
+ * Created: <strong>22 Dec 2019</strong><br>
+ *
+ * @author Maximilian K&auml;fer
+ * @since Envoy v0.3-alpha
+ */
+public class OnCloseChangeEvent implements Event<Boolean> {
+
+	private boolean closeMode;
+
+	/**
+	 * Initializes an {@link OnCloseChangeEvent}.
+	 * 
+	 * @param closeMode the state of the {@code currentOnCloseMode} setting
+	 * @since Envoy 0.3-alpha
+	 */
+	public OnCloseChangeEvent(boolean closeMode) { this.closeMode = closeMode; }
+
+	@Override
+	public Boolean get() { return closeMode; }
+}

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

@@ -0,0 +1,106 @@
+package envoy.client.ui;
+
+import java.awt.color.ColorSpace;
+
+/**
+ * Project: <strong>envoy-clientChess</strong><br>
+ * File: <strong>Color.javaEvent.java</strong><br>
+ * Created: <strong>23.12.2019</strong><br>
+ * 
+ * @author Kai S. K. Engelbart
+ */
+@SuppressWarnings("javadoc")
+public class Color extends java.awt.Color {
+
+	/**
+	 * The color white. In the default sRGB space.
+	 */
+	public static final Color white = new Color(255, 255, 255);
+
+	/**
+	 * The color light gray. In the default sRGB space.
+	 */
+	public static final Color lightGray = new Color(192, 192, 192);
+
+	/**
+	 * The color gray. In the default sRGB space.
+	 */
+	public static final Color gray = new Color(128, 128, 128);
+
+	/**
+	 * The color dark gray. In the default sRGB space.
+	 */
+	public static final Color darkGray = new Color(64, 64, 64);
+
+	/**
+	 * The color black. In the default sRGB space.
+	 */
+	public static final Color black = new Color(0, 0, 0);
+
+	/**
+	 * The color red. In the default sRGB space.
+	 */
+	public static final Color red = new Color(255, 0, 0);
+
+	/**
+	 * The color pink. In the default sRGB space.
+	 */
+	public static final Color pink = new Color(255, 175, 175);
+
+	/**
+	 * The color orange. In the default sRGB space.
+	 */
+	public static final Color orange = new Color(255, 200, 0);
+
+	/**
+	 * The color yellow. In the default sRGB space.
+	 */
+	public static final Color yellow = new Color(255, 255, 0);
+
+	/**
+	 * The color green. In the default sRGB space.
+	 */
+	public static final Color green = new Color(0, 255, 0);
+
+	/**
+	 * The color magenta. In the default sRGB space.
+	 */
+	public static final Color magenta = new Color(255, 0, 255);
+
+	/**
+	 * The color cyan. In the default sRGB space.
+	 */
+	public static final Color cyan = new Color(0, 255, 255);
+
+	/**
+	 * The color blue. In the default sRGB space.
+	 */
+	public static final Color blue = new Color(0, 0, 255);
+
+	private static final long serialVersionUID = -9166233199998257344L;
+
+	public Color(int rgb) { super(rgb); }
+
+	public Color(int rgba, boolean hasalpha) { super(rgba, hasalpha); }
+
+	public Color(int r, int g, int b) { super(r, g, b); }
+
+	public Color(float r, float g, float b) { super(r, g, b); }
+
+	public Color(ColorSpace cspace, float[] components, float alpha) { super(cspace, components, alpha); }
+
+	public Color(int r, int g, int b, int a) { super(r, g, b, a); }
+
+	public Color(float r, float g, float b, float a) { super(r, g, b, a); }
+
+	/**
+	 * @return the inversion of this {@link Color} by replacing the red, green and
+	 *         blue values by subtracting them form 255
+	 */
+	public Color invert() { return new Color(255 - getRed(), 255 - getGreen(), 255 - getBlue()); }
+
+	/**
+	 * @return the hex value of this {@link Color}
+	 */
+	public String toHex() { return String.format("#%02x%02x%02x", getRed(), getGreen(), getBlue()); }
+}

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

@@ -1,6 +1,5 @@
 package envoy.client.ui;
 
-import java.awt.Color;
 import java.awt.Component;
 import java.text.SimpleDateFormat;
 
@@ -46,11 +45,11 @@ public class MessageListRenderer extends JLabel implements ListCellRenderer<Mess
 		// Getting the MessageColor in the Chat of the current theme
 		String textColor = null;
 
-		textColor = toHex(Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()).getMessageColorChat());
+		textColor = Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()).getMessageColorChat().toHex();
 
 		// Getting the DateColor in the Chat of the current theme
 		String dateColor = null;
-		dateColor = toHex(Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()).getDateColorChat());
+		dateColor = Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()).getDateColorChat().toHex();
 
 		setText(String.format("<html><p style=\"color:%s\"><b><small>%s</b></small><br><p style=\"color:%s\">%s :%s</html>",
 				dateColor,
@@ -60,12 +59,4 @@ public class MessageListRenderer extends JLabel implements ListCellRenderer<Mess
 				state));
 		return this;
 	}
-
-	private String toHex(Color c) {
-		int		r	= c.getRed();
-		int		g	= c.getGreen();
-		int		b	= c.getBlue();
-		String	hex	= String.format("#%02x%02x%02x", r, g, b);
-		return hex;
-	}
 }

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

@@ -0,0 +1,114 @@
+package envoy.client.ui;
+
+import java.awt.*;
+import java.lang.reflect.Constructor;
+import java.util.logging.Logger;
+
+import javax.swing.JButton;
+import javax.swing.JPanel;
+
+import envoy.client.Settings;
+import envoy.client.event.Event;
+import envoy.client.event.EventBus;
+import envoy.client.util.EnvoyLog;
+
+/**
+ * This Component can be used to toggle between two options. e.g. on and
+ * off.<br>
+ * <br>
+ * Project: <strong>envoy-client</strong><br>
+ * File: <strong>PrimaryToggleSwitch.java</strong><br>
+ * Created: <strong>21 Dec 2019</strong><br>
+ * 
+ * @author Maximilian K&auml;fer
+ * @since Envoy v0.3-alpha
+ */
+public class PrimaryToggleSwitch extends JPanel {
+
+	private final JButton b = new JButton("");
+
+	private boolean currentState;
+
+	private static final Logger	logger				= EnvoyLog.getLogger(PrimaryToggleSwitch.class.getSimpleName());
+	private static final long	serialVersionUID	= -721155303106833184L;
+
+	/**
+	 * This is the constructor for the PrimaryToggleSwitch.
+	 * 
+	 * @param initialState The state the toggleSwitch is standardly set to. </br>
+	 *                     true: off </br>
+	 *                     false: on
+	 * @param eventClass   the class of the event dispatched by this toggleSwitch
+	 * @since Envoy v0.3-alpha
+	 */
+	public PrimaryToggleSwitch(boolean initialState, Class<? extends Event<Boolean>> eventClass) {
+		setEnabled(true);
+		setVisible(true);
+
+		setPreferredSize(new Dimension(50, 25));
+		setMinimumSize(new Dimension(50, 25));
+		setMaximumSize(new Dimension(50, 25));
+
+		b.setPreferredSize(new Dimension(25, 25));
+		b.setMinimumSize(new Dimension(25, 25));
+		b.setMaximumSize(new Dimension(25, 25));
+
+		b.setBackground(Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()).getInteractableBackgroundColor());
+
+		GridBagLayout gbl_toggleSwitch = new GridBagLayout();
+		gbl_toggleSwitch.columnWidths	= new int[] { 1, 1 };
+		gbl_toggleSwitch.rowHeights		= new int[] { 1 };
+		gbl_toggleSwitch.columnWeights	= new double[] { 1.0, 1.0 };
+		gbl_toggleSwitch.rowWeights		= new double[] { 1.0 };
+
+		setLayout(gbl_toggleSwitch);
+
+		setState(initialState);
+
+		b.addActionListener((evt) -> {
+			try {
+				// Dispatch event
+				Constructor<? extends Event<Boolean>> constructor = eventClass.getConstructor(boolean.class);
+				EventBus.getInstance().dispatch(constructor.newInstance(currentState));
+
+				setState(!currentState);
+				revalidate();
+				repaint();
+			} catch (ReflectiveOperationException | SecurityException e) {
+				logger.warning("An error occured while changing the setting: " + e);
+			}
+		});
+
+		repaint();
+	}
+
+	@Override
+	public void paintComponent(Graphics g) {
+		g.setColor(Color.LIGHT_GRAY);
+		g.fillRect(0, 0, 50, 25);
+		g.setColor(Color.GREEN);
+		g.fillRect(0, 0, 25, 25);
+	}
+
+	/**
+	 * This method sets the state of this {@link PrimaryToggleSwitch}.
+	 * 
+	 * @param state {@code true} to enable the switch, {@code false} to disable it
+	 * @since Envoy 0.3-alpha
+	 */
+	public void setState(boolean state) {
+		GridBagConstraints gbc_toggleButton = new GridBagConstraints();
+
+		if (state) {
+			gbc_toggleButton.anchor	= GridBagConstraints.WEST;
+			gbc_toggleButton.gridx	= 0;
+		} else {
+			gbc_toggleButton.anchor	= GridBagConstraints.EAST;
+			gbc_toggleButton.gridx	= 1;
+		}
+		gbc_toggleButton.gridy = 0;
+		add(b, gbc_toggleButton);
+
+		currentState = state;
+	}
+}

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

@@ -142,8 +142,9 @@ public class Startup {
 				try {
 					new StatusTrayIcon(chatWindow).show();
 
-					// If the tray icon is supported, hide the chat window on close
-					chatWindow.setDefaultCloseOperation(JFrame.HIDE_ON_CLOSE);
+					// If the tray icon is supported and corresponding settings is set, hide the chat window on close
+					if (Settings.getInstance().getCurrentOnCloseMode())
+						chatWindow.setDefaultCloseOperation(JFrame.HIDE_ON_CLOSE);
 				} catch (EnvoyException e) {
 					logger.warning("The StatusTrayIcon is not supported on this platform!");
 				}

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

@@ -1,6 +1,5 @@
 package envoy.client.ui;
 
-import java.awt.Color;
 import java.io.Serializable;
 import java.util.HashMap;
 import java.util.Map;

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

@@ -1,6 +1,5 @@
 package envoy.client.ui;
 
-import java.awt.Color;
 import java.awt.Component;
 
 import javax.swing.JLabel;
@@ -44,7 +43,7 @@ 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());
+		textColor = Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()).getUserNameColor().toHex();
 		switch (status) {
 			case ONLINE:
 				setText(String
@@ -57,12 +56,4 @@ public class UserListRenderer extends JLabel implements ListCellRenderer<User> {
 		}
 		return this;
 	}
-
-	private String toHex(Color c) {
-		int		r	= c.getRed();
-		int		g	= c.getGreen();
-		int		b	= c.getBlue();
-		String	hex	= String.format("#%02x%02x%02x", r, g, b);
-		return hex;
-	}
 }

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

@@ -0,0 +1,169 @@
+package envoy.client.ui.settings;
+
+import java.awt.GridBagConstraints;
+import java.awt.GridBagLayout;
+import java.awt.Insets;
+import java.awt.event.ActionListener;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import javax.swing.JOptionPane;
+import javax.swing.JTextPane;
+
+import envoy.client.Settings;
+import envoy.client.event.*;
+import envoy.client.ui.PrimaryToggleSwitch;
+import envoy.client.ui.Theme;
+import envoy.client.util.EnvoyLog;
+
+/**
+ * Displays GUI components that allow general settings regarding the client.<br>
+ * <br>
+ * Project: <strong>envoy-client</strong><br>
+ * File: <strong>General.java</strong><br>
+ * Created: <strong>21 Dec 2019</strong><br>
+ * 
+ * @author Maximilian K&auml;fer
+ * @since Envoy v0.3-alpha
+ */
+public class General extends SettingsPanel {
+
+	private Theme	theme;
+	private boolean	onCloseState;
+	private boolean	enterToSend;
+
+	private PrimaryToggleSwitch	toggleSwitch;
+	private JTextPane			onCloseModeTextPane		= new JTextPane();
+	private JTextPane			onCloseModeStatePane	= new JTextPane();
+
+	private PrimaryToggleSwitch	toggleSwitchEnterToSend;
+	private JTextPane			enterToSendTextPane		= new JTextPane();
+	private JTextPane			enterToSendStatePane	= new JTextPane();
+
+	private static final Logger	logger				= EnvoyLog.getLogger(General.class.getSimpleName());
+	private static final long	serialVersionUID	= -7470848775130754239L;
+
+	/**
+	 * This is the constructor for the General class. Here the user can set general
+	 * settings for the client.
+	 * 
+	 * @since Envoy 0.3-alpha
+	 */
+	public General() {
+		theme = Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme());
+
+		setBackground(theme.getCellColor());
+
+		GridBagLayout gbl_general = new GridBagLayout();
+		gbl_general.columnWidths	= new int[] { 1, 1 };
+		gbl_general.rowHeights		= new int[] { 1, 1, 1, 1, 1 };
+		gbl_general.columnWeights	= new double[] { 1.0, 0.1 };
+		gbl_general.rowWeights		= new double[] { 0.02, 0.0005, 0.02, 0.0005, 1.0 };
+
+		setLayout(gbl_general);
+
+		createSettingElement(0,
+				OnCloseChangeEvent.class,
+				Settings.getInstance().getCurrentOnCloseMode(),
+				toggleSwitch,
+				onCloseModeStatePane,
+				onCloseModeTextPane,
+				"Client runs in the background, when window is closed");
+		EventBus.getInstance().register(OnCloseChangeEvent.class, (evt) -> changeOnClose(((OnCloseChangeEvent) evt).get()));
+
+		createSettingElement(2,
+				EnterToSendEvent.class,
+				Settings.getInstance().isEnterToSend(),
+				toggleSwitchEnterToSend,
+				enterToSendStatePane,
+				enterToSendTextPane,
+				"Press Enter to send messages");
+		EventBus.getInstance().register(EnterToSendEvent.class, (evt) -> changeEnterToSend(((EnterToSendEvent) evt).get()));
+	}
+
+	/**
+	 * This method changes the on close mode of the client.
+	 * 
+	 * @param state This is the integer that defines weather the toggleSwitch is on
+	 *              or off.
+	 * @since Envoy v0.3-alpha
+	 */
+	public void changeOnClose(boolean state) {
+		this.onCloseState = state;
+
+		onCloseModeStatePane.setText(state ? "ON" : "OFF");
+		revalidate();
+		repaint();
+	}
+
+	/**
+	 * This method changes the enter to send a message setting.
+	 * 
+	 * @param state This is the integer that defines weather the toggleSwitch is on
+	 *              or off.
+	 * @since Envoy v0.3-alpha
+	 */
+	public void changeEnterToSend(boolean state) {
+		this.enterToSend = state;
+
+		enterToSendStatePane.setText(state ? "ON" : "OFF");
+		revalidate();
+		repaint();
+	}
+
+	private void createSettingElement(int gridy, Class<? extends Event<Boolean>> eventClass, boolean state, PrimaryToggleSwitch toggleSwitch,
+			JTextPane stateText, JTextPane descriptionText, String text) {
+		toggleSwitch = new PrimaryToggleSwitch(state, eventClass);
+
+		GridBagConstraints gbc_toggleSwitch = new GridBagConstraints();
+		gbc_toggleSwitch.gridx	= 1;
+		gbc_toggleSwitch.gridy	= gridy;
+
+		add(toggleSwitch, gbc_toggleSwitch);
+
+		stateText.setText(state ? "ON" : "OFF");
+		stateText.setBackground(theme.getCellColor());
+		stateText.setForeground(theme.getUserNameColor());
+		stateText.setEditable(false);
+
+		GridBagConstraints gbc_stateText = new GridBagConstraints();
+		gbc_stateText.anchor	= GridBagConstraints.NORTH;
+		gbc_stateText.gridx		= 1;
+		gbc_stateText.gridy		= gridy + 1;
+
+		add(stateText, gbc_stateText);
+
+		descriptionText.setText(text);
+		descriptionText.setBackground(theme.getBackgroundColor().invert());
+		descriptionText.setForeground(theme.getUserNameColor());
+		descriptionText.setEditable(false);
+
+		GridBagConstraints gbc_descriptionText = new GridBagConstraints();
+		gbc_descriptionText.fill		= GridBagConstraints.BOTH;
+		gbc_descriptionText.gridx		= 0;
+		gbc_descriptionText.gridy		= gridy;
+		gbc_descriptionText.gridheight	= 2;
+		gbc_descriptionText.insets		= new Insets(5, 5, 5, 5);
+
+		add(descriptionText, gbc_descriptionText);
+	}
+
+	@Override
+	public ActionListener getOkButtonAction() {
+		return (evt) -> {
+			if (onCloseState != Settings.getInstance().getCurrentOnCloseMode()) try {
+				Settings.getInstance().setCurrentOnCloseMode(onCloseState);
+				JOptionPane.showMessageDialog(null, "The changes will take effect the next time the program is started.");
+			} catch (Exception e) {
+				logger.log(Level.WARNING, "Close mode could not be changed! ", e);
+			}
+
+			if (enterToSend != Settings.getInstance().isEnterToSend()) try {
+				Settings.getInstance().setEnterToSend(enterToSend);
+				JOptionPane.showMessageDialog(null, "The changes will take effect the next time the program is started.");
+			} catch (Exception e) {
+				logger.log(Level.WARNING, "Enter to send mode could not be changed! ", e);
+			}
+		};
+	}
+}

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

@@ -39,7 +39,7 @@ public class SettingsScreen extends JDialog {
 	private final JList<String>				options				= new JList<>(optionsListModel);
 
 	// OK and cancel buttons
-	private final JPanel	buttonPane		= new JPanel();
+	private final JPanel		buttonPane		= new JPanel();
 	private final PrimaryButton	okButton		= new PrimaryButton("Save");
 	private final PrimaryButton	cancelButton	= new PrimaryButton("Cancel");
 
@@ -57,6 +57,7 @@ public class SettingsScreen extends JDialog {
 	public SettingsScreen() {
 		// Initialize settings pages
 		Map<String, Class<? extends SettingsPanel>> panels = new HashMap<>();
+		panels.put("General", General.class);
 		panels.put("Color Themes", ThemeCustomizationPanel.class);
 
 		setBounds(10, 10, 450, 650);
@@ -118,10 +119,10 @@ public class SettingsScreen extends JDialog {
 
 			// ButtonPane
 			GridBagLayout gbl_buttonPane = new GridBagLayout();
-			gbl_buttonPane.columnWidths		= new int[] { 1, 1};
-			gbl_buttonPane.rowHeights		= new int[] { 25};
-			gbl_buttonPane.columnWeights	= new double[] { 1.0, 1.0};
-			gbl_buttonPane.rowWeights		= new double[] { 0.0};
+			gbl_buttonPane.columnWidths		= new int[] { 1, 1 };
+			gbl_buttonPane.rowHeights		= new int[] { 25 };
+			gbl_buttonPane.columnWeights	= new double[] { 1.0, 1.0 };
+			gbl_buttonPane.rowWeights		= new double[] { 0.0 };
 
 			getContentPane().add(buttonPane, BorderLayout.SOUTH);
 			buttonPane.setLayout(gbl_buttonPane);
@@ -188,4 +189,4 @@ public class SettingsScreen extends JDialog {
 		options.setForeground(theme.getUserNameColor());
 		options.setBackground(theme.getCellColor());
 	}
-}
+}

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

@@ -13,6 +13,7 @@ import javax.swing.*;
 import envoy.client.Settings;
 import envoy.client.event.EventBus;
 import envoy.client.event.ThemeChangeEvent;
+import envoy.client.ui.Color;
 import envoy.client.ui.Theme;
 import envoy.client.util.EnvoyLog;
 
@@ -30,18 +31,17 @@ import envoy.client.util.EnvoyLog;
  */
 public class ThemeCustomizationPanel extends SettingsPanel {
 
-	private static final long serialVersionUID = -8697897390666456624L;
-
 	private JPanel colorsPanel = new JPanel();
 
-	private String[] themeArray = Settings.getInstance().getThemes().keySet().toArray(new String[0]);
-	private JComboBox<String> themes = new JComboBox<>(themeArray);
-	private Theme temporaryTheme, selectedTheme;
-	private boolean themeChanged = false;
+	private String[]			themeArray		= Settings.getInstance().getThemes().keySet().toArray(new String[0]);
+	private JComboBox<String>	themes			= new JComboBox<>(themeArray);
+	private Theme				temporaryTheme, selectedTheme;
+	private boolean				themeChanged	= false;
 
 	private final Insets insets = new Insets(5, 5, 5, 5);
 
-	private static final Logger logger = EnvoyLog.getLogger(ThemeCustomizationPanel.class.getSimpleName());
+	private static final Logger	logger				= EnvoyLog.getLogger(ThemeCustomizationPanel.class.getSimpleName());
+	private static final long	serialVersionUID	= -8697897390666456624L;
 
 	/**
 	 * Initializes a {@link ThemeCustomizationPanel} that enables the user to change
@@ -51,15 +51,14 @@ public class ThemeCustomizationPanel extends SettingsPanel {
 	 * @since Envoy v0.2-alpha
 	 */
 	public ThemeCustomizationPanel() {
-		temporaryTheme = new Theme("temporaryTheme",
-				Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()));
+		temporaryTheme = new Theme("temporaryTheme", Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()));
 
 		GridBagLayout gbl_themeLayout = new GridBagLayout();
 
-		gbl_themeLayout.columnWidths = new int[] { 1, 1 };
-		gbl_themeLayout.rowHeights = new int[] { 1, 1 };
-		gbl_themeLayout.columnWeights = new double[] { 1.0, 1.0 };
-		gbl_themeLayout.rowWeights = new double[] { 0.01, 1.0 };
+		gbl_themeLayout.columnWidths	= new int[] { 1, 1 };
+		gbl_themeLayout.rowHeights		= new int[] { 1, 1 };
+		gbl_themeLayout.columnWeights	= new double[] { 1.0, 1.0 };
+		gbl_themeLayout.rowWeights		= new double[] { 0.01, 1.0 };
 
 		setLayout(gbl_themeLayout);
 
@@ -76,20 +75,20 @@ public class ThemeCustomizationPanel extends SettingsPanel {
 		});
 
 		GridBagConstraints gbc_themes = new GridBagConstraints();
-		gbc_themes.fill = GridBagConstraints.HORIZONTAL;
-		gbc_themes.gridwidth = 2;
-		gbc_themes.gridx = 0;
-		gbc_themes.gridy = 0;
-		gbc_themes.anchor = GridBagConstraints.NORTHWEST;
-		gbc_themes.insets = new Insets(10, 10, 20, 10);
+		gbc_themes.fill			= GridBagConstraints.HORIZONTAL;
+		gbc_themes.gridwidth	= 2;
+		gbc_themes.gridx		= 0;
+		gbc_themes.gridy		= 0;
+		gbc_themes.anchor		= GridBagConstraints.NORTHWEST;
+		gbc_themes.insets		= new Insets(10, 10, 20, 10);
 
 		add(themes, gbc_themes);
 		GridBagLayout gbl_colorCustomizations = new GridBagLayout();
 
-		gbl_colorCustomizations.columnWidths = new int[] { 1, 1 };
-		gbl_colorCustomizations.rowHeights = new int[] { 1, 1, 1, 1, 1, 1, 1, 1, 1 };
-		gbl_colorCustomizations.columnWeights = new double[] { 1, 1 };
-		gbl_colorCustomizations.rowWeights = new double[] { 1, 1, 1, 1, 1, 1, 1, 1 };
+		gbl_colorCustomizations.columnWidths	= new int[] { 1, 1 };
+		gbl_colorCustomizations.rowHeights		= new int[] { 1, 1, 1, 1, 1, 1, 1, 1, 1 };
+		gbl_colorCustomizations.columnWeights	= new double[] { 1, 1 };
+		gbl_colorCustomizations.rowWeights		= new double[] { 1, 1, 1, 1, 1, 1, 1, 1 };
 
 		colorsPanel.setLayout(gbl_colorCustomizations);
 
@@ -97,12 +96,12 @@ public class ThemeCustomizationPanel extends SettingsPanel {
 		buildCustomizeElements(theme);
 
 		GridBagConstraints gbc_colorsPanel = new GridBagConstraints();
-		gbc_colorsPanel.fill = GridBagConstraints.HORIZONTAL;
-		gbc_colorsPanel.gridx = 0;
-		gbc_colorsPanel.gridy = 1;
-		gbc_colorsPanel.gridwidth = 2;
-		gbc_colorsPanel.anchor = GridBagConstraints.NORTHWEST;
-		gbc_colorsPanel.insets = insets;
+		gbc_colorsPanel.fill		= GridBagConstraints.HORIZONTAL;
+		gbc_colorsPanel.gridx		= 0;
+		gbc_colorsPanel.gridy		= 1;
+		gbc_colorsPanel.gridwidth	= 2;
+		gbc_colorsPanel.anchor		= GridBagConstraints.NORTHWEST;
+		gbc_colorsPanel.insets		= insets;
 
 		add(colorsPanel, gbc_colorsPanel);
 		colorsPanel.setBackground(theme.getCellColor());
@@ -122,11 +121,10 @@ public class ThemeCustomizationPanel extends SettingsPanel {
 					String name = JOptionPane.showInputDialog("Enter a name for the new theme");
 					logger.log(Level.FINEST, name);
 					Settings.getInstance().addNewThemeToMap(new Theme(name, temporaryTheme));
-					themeArray = Arrays.copyOf(themeArray, themeArray.length + 1);
-					themeArray[themeArray.length - 1] = Settings.getInstance().getThemes().get(name).getThemeName();
+					themeArray							= Arrays.copyOf(themeArray, themeArray.length + 1);
+					themeArray[themeArray.length - 1]	= Settings.getInstance().getThemes().get(name).getThemeName();
 
-					temporaryTheme = new Theme("temporaryTheme",
-							Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()));
+					temporaryTheme = new Theme("temporaryTheme", Settings.getInstance().getThemes().get(Settings.getInstance().getCurrentTheme()));
 
 					themes.addItem(themeArray[themeArray.length - 1]);
 					themes.setSelectedIndex(themeArray.length - 1);
@@ -172,10 +170,8 @@ public class ThemeCustomizationPanel extends SettingsPanel {
 	private void buildCustomizeElements(Theme theme) {
 		buildCustomizeElement(theme, theme.getBackgroundColor(), "Background", "backgroundColor", 1);
 		buildCustomizeElement(theme, theme.getCellColor(), "Cells", "cellColor", 2);
-		buildCustomizeElement(theme, theme.getInteractableForegroundColor(), "Interactable Foreground",
-				"interactableForegroundColor", 3);
-		buildCustomizeElement(theme, theme.getInteractableBackgroundColor(), "Interactable Background",
-				"interactableBackgroundColor", 4);
+		buildCustomizeElement(theme, theme.getInteractableForegroundColor(), "Interactable Foreground", "interactableForegroundColor", 3);
+		buildCustomizeElement(theme, theme.getInteractableBackgroundColor(), "Interactable Background", "interactableBackgroundColor", 4);
 		buildCustomizeElement(theme, theme.getMessageColorChat(), "Messages Chat", "messageColorChat", 5);
 		buildCustomizeElement(theme, theme.getDateColorChat(), "Date Chat", "dateColorCat", 6);
 		buildCustomizeElement(theme, theme.getSelectionColor(), "Selection", "selectionColor", 7);
@@ -184,12 +180,12 @@ public class ThemeCustomizationPanel extends SettingsPanel {
 	}
 
 	private void buildCustomizeElement(Theme theme, Color color, String name, String colorName, int gridy) {
-		JButton button = new JButton();
-		JTextPane textPane = new JTextPane();
+		JButton		button		= new JButton();
+		JTextPane	textPane	= new JTextPane();
 
 		textPane.setFont(new Font("Arial", Font.PLAIN, 14));
 		textPane.setBackground(theme.getBackgroundColor());
-		textPane.setForeground(getInvertedColor(theme.getBackgroundColor()));
+		textPane.setForeground(theme.getBackgroundColor().invert());
 		textPane.setText(name);
 		textPane.setEditable(false);
 
@@ -198,7 +194,7 @@ public class ThemeCustomizationPanel extends SettingsPanel {
 
 		button.addActionListener((evt) -> {
 			try {
-				Color newColor = JColorChooser.showDialog(null, "Choose a color", color);
+				Color newColor = (Color) JColorChooser.showDialog(null, "Choose a color", color);
 				if (newColor.getRGB() != color.getRGB()) {
 					logger.log(Level.FINEST, "New Color: " + String.valueOf(color.getRGB()));
 					// TODO: When Theme changed in same settings screen, color variable doesn't
@@ -215,25 +211,21 @@ public class ThemeCustomizationPanel extends SettingsPanel {
 		});
 
 		GridBagConstraints gbc_textPane = new GridBagConstraints();
-		gbc_textPane.fill = GridBagConstraints.BOTH;
-		gbc_textPane.gridx = 0;
-		gbc_textPane.gridy = gridy;
-		gbc_textPane.anchor = GridBagConstraints.CENTER;
-		gbc_textPane.insets = insets;
+		gbc_textPane.fill	= GridBagConstraints.BOTH;
+		gbc_textPane.gridx	= 0;
+		gbc_textPane.gridy	= gridy;
+		gbc_textPane.anchor	= GridBagConstraints.CENTER;
+		gbc_textPane.insets	= insets;
 
 		colorsPanel.add(textPane, gbc_textPane);
 
 		GridBagConstraints gbc_button = new GridBagConstraints();
-		gbc_button.fill = GridBagConstraints.BOTH;
-		gbc_button.gridx = 1;
-		gbc_button.gridy = gridy;
-		gbc_button.anchor = GridBagConstraints.CENTER;
-		gbc_button.insets = insets;
+		gbc_button.fill		= GridBagConstraints.BOTH;
+		gbc_button.gridx	= 1;
+		gbc_button.gridy	= gridy;
+		gbc_button.anchor	= GridBagConstraints.CENTER;
+		gbc_button.insets	= insets;
 
 		colorsPanel.add(button, gbc_button);
 	}
-
-	private Color getInvertedColor(Color color) {
-		return new Color(255 - color.getRed(), 255 - color.getGreen(), 255 - color.getBlue());
-	}
-}
+}