added fundamental css files, theoretically added css support

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

@@ -27,8 +27,8 @@ import envoy.util.SerializationUtils;
 public class Settings {
 
 	// Actual settings accessible by the rest of the application
-	private Map<String, SettingsItem<?>>	items;
-	private Map<String, Theme>				themes;
+	private Map<String, SettingsItem<?>> items;
+	private Map<String, Theme> themes;
 
 	/**
 	 * Settings are stored in this file.
@@ -46,8 +46,8 @@ public class Settings {
 	private static Settings settings = new Settings();
 
 	/**
-	 * The way to instantiate the settings.
-	 * Is set to private to deny other instances of that object.
+	 * The way to instantiate the settings. Is set to private to deny other
+	 * instances of that object.
 	 *
 	 * @since Envoy Client v0.2-alpha
 	 */
@@ -69,12 +69,10 @@ public class Settings {
 		}
 
 		// Load standard themes not defined in the themes file
-		themes.put("dark",
-				new Theme("dark", Color.black, Color.darkGray, Color.white, new Color(165, 60, 232), Color.white, Color.orange, Color.blue,
-						Color.white, Color.white));
-		themes.put("light",
-				new Theme("light", new Color(235, 235, 235), Color.white, Color.white, Color.darkGray, Color.black, Color.orange, Color.darkGray,
-						Color.black, Color.black));
+		themes.put("dark", new Theme("dark", Color.black, Color.darkGray, Color.white, new Color(165, 60, 232),
+				Color.white, Color.orange, Color.blue, Color.white, Color.white));
+		themes.put("light", new Theme("light", new Color(235, 235, 235), Color.white, Color.white, Color.darkGray,
+				Color.black, Color.orange, Color.darkGray, Color.black, Color.black));
 	}
 
 	/**
@@ -83,7 +81,9 @@ public class Settings {
 	 * @return the instance of Settings
 	 * @since Envoy Client v0.2-alpha
 	 */
-	public static Settings getInstance() { return settings; }
+	public static Settings getInstance() {
+		return settings;
+	}
 
 	/**
 	 * Updates the preferences when the save button is clicked.
@@ -101,9 +101,12 @@ public class Settings {
 	}
 
 	private void supplementDefaults() {
-		items.putIfAbsent("enterToSend", new SettingsItem<>(true, "Enter to send", "Sends a message by pressing the enter key."));
-		items.putIfAbsent("onCloseMode", new SettingsItem<>(true, "Hide on close", "Hides the chat window when it is closed."));
-		items.putIfAbsent("currentTheme", new SettingsItem<>("dark", "Current Theme Name", "The name of the currently selected theme."));
+		items.putIfAbsent("enterToSend",
+				new SettingsItem<>(true, "Enter to send", "Sends a message by pressing the enter key."));
+		items.putIfAbsent("onCloseMode",
+				new SettingsItem<>(true, "Hide on close", "Hides the chat window when it is closed."));
+		items.putIfAbsent("currentTheme",
+				new SettingsItem<>("dark", "Current Theme Name", "The name of the currently selected theme."));
 	}
 
 	/**
@@ -112,19 +115,25 @@ public class Settings {
 	 * @param theme the {@link Theme} to add
 	 * @since Envoy Client v0.2-alpha
 	 */
-	public void addNewThemeToMap(Theme theme) { getThemes().put(theme.getThemeName(), theme); }
+	public void addNewThemeToMap(Theme theme) {
+		getThemes().put(theme.getThemeName(), theme);
+	}
 
 	/**
 	 * @return the name of the currently active {@link Theme}
 	 * @since Envoy Client v0.2-alpha
 	 */
-	public String getCurrentThemeName() { return (String) items.get("currentTheme").get(); }
+	public String getCurrentThemeName() {
+		return (String) items.get("currentTheme").get();
+	}
 
 	/**
 	 * @return the currently active {@link Theme}
 	 * @since Envoy Client v0.1-beta
 	 */
-	public Theme getCurrentTheme() { return getTheme(getCurrentThemeName()); }
+	public Theme getCurrentTheme() {
+		return getTheme(getCurrentThemeName());
+	}
 
 	/**
 	 * Sets the name of the current {@link Theme}.
@@ -132,7 +141,18 @@ public class Settings {
 	 * @param themeName the name to set
 	 * @since Envoy Client v0.2-alpha
 	 */
-	public void setCurrentTheme(String themeName) { ((SettingsItem<String>) items.get("currentTheme")).set(themeName); }
+	public void setCurrentTheme(String themeName) {
+		((SettingsItem<String>) items.get("currentTheme")).set(themeName);
+	}
+
+	/**
+	 * @return whether the current {@link Theme} is one of the default themes.
+	 *         Currently checks for dark and light theme.
+	 * @since Envoy Client v0.1-beta
+	 */
+	public boolean isUsingDefaultTheme() {
+		return getCurrentThemeName().equals("dark") || getCurrentThemeName().equals("light");
+	}
 
 	/**
 	 * @return {@code true}, if pressing the {@code Enter} key suffices to send a
@@ -140,7 +160,9 @@ public class Settings {
 	 *         {@code Control} key.
 	 * @since Envoy Client v0.2-alpha
 	 */
-	public Boolean isEnterToSend() { return (Boolean) items.get("enterToSend").get(); }
+	public Boolean isEnterToSend() {
+		return (Boolean) items.get("enterToSend").get();
+	}
 
 	/**
 	 * Changes the keystrokes performed by the user to send a message.
@@ -150,13 +172,17 @@ public class Settings {
 	 *                    conjunction with the {@code Control} key.
 	 * @since Envoy Client v0.2-alpha
 	 */
-	public void setEnterToSend(boolean enterToSend) { ((SettingsItem<Boolean>) items.get("enterToSend")).set(enterToSend); }
+	public void setEnterToSend(boolean enterToSend) {
+		((SettingsItem<Boolean>) items.get("enterToSend")).set(enterToSend);
+	}
 
 	/**
 	 * @return the current on close mode.
 	 * @since Envoy Client v0.3-alpha
 	 */
-	public Boolean getCurrentOnCloseMode() { return (Boolean) items.get("onCloseMode").get(); }
+	public Boolean getCurrentOnCloseMode() {
+		return (Boolean) items.get("onCloseMode").get();
+	}
 
 	/**
 	 * Sets the current on close mode.
@@ -164,23 +190,31 @@ public class Settings {
 	 * @param currentOnCloseMode the on close mode that should be set.
 	 * @since Envoy Client v0.3-alpha
 	 */
-	public void setCurrentOnCloseMode(boolean currentOnCloseMode) { ((SettingsItem<Boolean>) items.get("onCloseMode")).set(currentOnCloseMode); }
+	public void setCurrentOnCloseMode(boolean currentOnCloseMode) {
+		((SettingsItem<Boolean>) items.get("onCloseMode")).set(currentOnCloseMode);
+	}
 
 	/**
 	 * @return the items
 	 */
-	public Map<String, SettingsItem<?>> getItems() { return items; }
+	public Map<String, SettingsItem<?>> getItems() {
+		return items;
+	}
 
 	/**
 	 * @param items the items to set
 	 */
-	public void setItems(Map<String, SettingsItem<?>> items) { this.items = items; }
+	public void setItems(Map<String, SettingsItem<?>> items) {
+		this.items = items;
+	}
 
 	/**
 	 * @return a {@code Map<String, Theme>} of all themes with their names as keys
 	 * @since Envoy Client v0.2-alpha
 	 */
-	public Map<String, Theme> getThemes() { return themes; }
+	public Map<String, Theme> getThemes() {
+		return themes;
+	}
 
 	/**
 	 * Sets the {@code Map<String, Theme>} of all themes with their names as keys
@@ -188,12 +222,16 @@ public class Settings {
 	 * @param themes the theme map to set
 	 * @since Envoy Client v0.2-alpha
 	 */
-	public void setThemes(Map<String, Theme> themes) { this.themes = themes; }
+	public void setThemes(Map<String, Theme> themes) {
+		this.themes = themes;
+	}
 
 	/**
 	 * @param themeName the name of the {@link Theme} to get
 	 * @return the {@link Theme} with the specified name
 	 * @since Envoy Client v0.3-alpha
 	 */
-	public Theme getTheme(String themeName) { return themes.get(themeName); }
+	public Theme getTheme(String themeName) {
+		return themes.get(themeName);
+	}
 }

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

@@ -3,6 +3,7 @@ package envoy.client.ui;
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
+import java.nio.file.Paths;
 import java.util.Properties;
 import java.util.logging.Level;
 import java.util.logging.Logger;
@@ -44,11 +45,14 @@ public final class Startup extends Application {
 
 	private FXMLLoader	loader	= new FXMLLoader();
 	private Stage		stage;
+	private Scene		previousScene;
 
-	private Scene previousScene;
+	private final String[] CSSPaths = { "file://./src/main/resources/fxml/themes/base.css",
+			"file://./src/main/resources/fxml/themes/" + (settings.isUsingDefaultTheme() ? settings.getCurrentThemeName() : "custom") + ".css" };
 
-	private static final ClientConfig	config	= ClientConfig.getInstance();
-	private static final Logger			logger	= EnvoyLog.getLogger(Startup.class);
+	private static final Settings		settings	= Settings.getInstance();
+	private static final ClientConfig	config		= ClientConfig.getInstance();
+	private static final Logger			logger		= EnvoyLog.getLogger(Startup.class);
 
 	/**
 	 * {@inheritDoc}
@@ -150,7 +154,8 @@ public final class Startup extends Application {
 	 * @param fxmlLocation the location of the fxml file
 	 * @param layout       the layout to use
 	 * @param savePrevious if true, the previous stage will be stored in this
-	 *                     instance of Startup, else the variable storing it will be
+	 *                     instance of Startup, else the variable storing it will
+	 *                     be
 	 *                     set to null
 	 * @since Envoy Client v0.1-beta
 	 */
@@ -160,13 +165,17 @@ public final class Startup extends Application {
 				// Clearing the loader so that a new Scene can be initialised
 				loader = new FXMLLoader();
 				var	rootNode	= loader.<T>load(getClass().getResourceAsStream(fxmlLocation));
-				var	chatScene	= new Scene(rootNode);
-				previousScene = (savePrevious) ? stage.getScene() : null;
-				stage.setScene(chatScene);
+				var	scene		= new Scene(rootNode);
+				previousScene = savePrevious ? stage.getScene() : null;
+				// Setting the visual appearance
+				scene.getStylesheets().addAll(CSSPaths);
+				System.out.println(Paths.get(".").toAbsolutePath().normalize().toString());
+				stage.setScene(scene);
 				stage.show();
 				// return loader.getController();
 			} catch (IOException e) {
 				new Alert(AlertType.ERROR, "The screen could not be updated due to reasons. (...bad programming...)");
+				System.err.println("input: FXMLLocation: " + fxmlLocation + ", CSS paths: " + CSSPaths);
 				e.printStackTrace();
 				logger.severe("Something happened (while loading the new scene from " + fxmlLocation + ")");
 			}
@@ -175,7 +184,7 @@ public final class Startup extends Application {
 
 	/**
 	 * Changes the visual scene back to the saved value. The currently active scene
-	 * can be saved.
+	 * can be saved, but must not be.
 	 *
 	 * @param storeCurrent the old scene to store, if wanted. Can be null
 	 * @since Envoy Client v0.1-beta
@@ -185,7 +194,7 @@ public final class Startup extends Application {
 			if (previousScene == null) throw new IllegalStateException("Someone tried restoring a null scene. (Something happened)");
 			else {
 				// switching previous and current
-				var temp = (storeCurrent) ? stage.getScene() : null;
+				var temp = storeCurrent ? stage.getScene() : null;
 				stage.setScene(previousScene);
 				previousScene = temp;
 				stage.show();
@@ -224,4 +233,23 @@ public final class Startup extends Application {
 		if (loader.getController() == null) throw new NullPointerException("Cannot deliver current controller as its undefined (duh!)");
 		else return loader.getController();
 	}
+
+	/**
+	 * @return the CSSPaths
+	 * @since Envoy Client v0.1-beta
+	 */
+	public String[] getCSSPaths() { return CSSPaths; }
+
+	/**
+	 * Changes the currently displayed theme
+	 *
+	 * @since Envoy Client v0.1-beta
+	 */
+	public void changeTheme() {
+		// the base.css file should never be changed during runtime
+		CSSPaths[1] = "file://.fxml/themes/" + (settings.isUsingDefaultTheme() ? settings.getCurrentThemeName() : "custom") + ".css";
+		var styleSheets = stage.getScene().getStylesheets();
+		styleSheets.remove(styleSheets.size() - 1);
+		styleSheets.add(CSSPaths[1]);
+	}
 }

src/main/resources/fxml/themes/base.css

@@ -0,0 +1,5 @@
+.root{
+	-fx-font: 200pt "Serif";
+	--background=#00FF00;
+	background: var(--background);
+}

src/main/resources/fxml/themes/dark.css

@@ -0,0 +1,7 @@
+.root{
+	--background=#000000;
+	background: var(--background);
+}
+.button{
+	color: rgb(105,0,153);
+}