Fixed settings pane selection

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

@@ -88,11 +88,11 @@ public class Settings {
 	/**
 	 * Updates the preferences when the save button is clicked.
 	 *
-	 * @throws IOException if an error occurs while saving the themes to the theme
-	 *                     file
+	 * @throws IOException if an error occurs while saving the themes
 	 * @since Envoy Client v0.2-alpha
 	 */
 	public void save() throws IOException {
+
 		// Save settings to settings file
 		SerializationUtils.write(settingsFile, items);
 

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

@@ -2,14 +2,9 @@ package envoy.client.data;
 
 import java.io.Serializable;
 import java.util.function.Consumer;
-import java.util.function.Function;
 
 import javax.swing.JComponent;
 
-import javafx.scene.Node;
-
-import envoy.client.ui.SettingsToggleButton;
-
 /**
  * Encapsulates a persistent value that is directly or indirectly mutable by the
  * user.<br>
@@ -28,7 +23,6 @@ public class SettingsItem<T> implements Serializable {
 	private String	userFriendlyName, description;
 
 	private transient Consumer<T>								changeHandler;
-	private transient Function<SettingsItem<?>, ? extends Node>	nodeCreator;
 
 	private static final long serialVersionUID = 1L;
 
@@ -46,8 +40,6 @@ public class SettingsItem<T> implements Serializable {
 		this.value				= value;
 		this.userFriendlyName	= userFriendlyName;
 		this.description		= description;
-
-		if (value.getClass() == Boolean.class) nodeCreator = s -> new SettingsToggleButton((SettingsItem<Boolean>) s);
 	}
 
 	/**
@@ -104,8 +96,4 @@ public class SettingsItem<T> implements Serializable {
 		this.changeHandler = changeHandler;
 		changeHandler.accept(value);
 	}
-
-	public boolean hasNodeCreator() { return nodeCreator != null; }
-
-	public Node getNode() { return nodeCreator.apply(this); }
 }

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

@@ -1,8 +1,11 @@
 package envoy.client.ui;
 
+import java.util.List;
+
 import javafx.scene.layout.VBox;
 
 import envoy.client.data.Settings;
+import envoy.client.data.SettingsItem;
 
 /**
  * Project: <strong>envoy-client</strong><br>
@@ -22,8 +25,13 @@ public class GeneralSettingsPane extends SettingsPane {
 	public GeneralSettingsPane() {
 		super("General");
 		var vbox = new VBox();
-		for (var name : new String[] { "onCloseMode", "enterToSend" })
-			vbox.getChildren().add(settings.getItems().get(name).getNode());
+
+		// TODO: Support other value types
+		List.of("onCloseMode", "enterToSend")
+			.stream()
+			.map(settings.getItems()::get)
+			.map(i -> new SettingsToggleButton((SettingsItem<Boolean>) i))
+			.forEach(vbox.getChildren()::add);
 		getChildren().add(vbox);
 	}
 }

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

@@ -33,17 +33,22 @@ public class SettingsSceneController {
 		settingsList.setCellFactory(listView -> new ListCell<>() {
 
 			@Override
-			protected void updateItem(SettingsPane item, boolean empty) { if (!empty && item != null) setGraphic(new Label(item.getTitle())); }
+			protected void updateItem(SettingsPane item, boolean empty) {
+				super.updateItem(item, empty);
+				if (!empty && item != null) setGraphic(new Label(item.getTitle()));
+			}
 		});
 
-		// settingsList.getItems().add(new GeneralSettingsPane());
+		settingsList.getItems().add(new GeneralSettingsPane());
 	}
 
 	@FXML
 	private void settingsListClicked() {
 		final var pane = settingsList.getSelectionModel().getSelectedItem();
-		titledPane.setText(pane.getTitle());
-		titledPane.setContent(pane);
+		if (pane != null) {
+			titledPane.setText(pane.getTitle());
+			titledPane.setContent(pane);
+		}
 	}
 
 	@FXML