Added SettingsScene selection infrastructure

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

@@ -0,0 +1,19 @@
+package envoy.client.ui;
+
+import javafx.scene.Node;
+
+
+/**
+ * Project: <strong>envoy-client</strong><br>
+ * File: <strong>SettingsPane.java</strong><br>
+ * Created: <strong>18.04.2020</strong><br>
+ * 
+ * @author Kai S. K. Engelbart
+ * @since Envoy Client v0.1-beta
+ */
+public abstract class SettingsPane extends Node {
+
+	protected String title;
+
+	public abstract String getTitle();
+}

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

@@ -1,5 +1,10 @@
 package envoy.client.ui;
 
+import javafx.fxml.FXML;
+import javafx.scene.control.*;
+
+import envoy.client.data.Settings;
+
 /**
  * Project: <strong>envoy-client</strong><br>
  * File: <strong>SettingsSceneController.java</strong><br>
@@ -10,4 +15,27 @@ package envoy.client.ui;
  */
 public class SettingsSceneController {
 
+	@FXML
+	private ListView<SettingsPane> settingsList;
+
+	@FXML
+	private TitledPane titledPane;
+
+	private static final Settings settings = Settings.getInstance();
+
+	@FXML
+	private void initialize() {
+		settingsList.setCellFactory(listView -> new ListCell<>() {
+
+			@Override
+			protected void updateItem(SettingsPane item, boolean empty) { if (!empty && item != null) setGraphic(new Label(item.getTitle())); };
+		});
+	}
+
+	@FXML
+	private void settingsListClicked() {
+		final var pane = settingsList.getSelectionModel().getSelectedItem();
+		titledPane.setText(pane.getTitle());
+		titledPane.setContent(pane);
+	}
 }

src/main/resources/fxml/SettingsScene.fxml

@@ -1,29 +1,24 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
+<?import javafx.geometry.Insets?>
 <?import javafx.scene.control.Button?>
-<?import javafx.scene.control.ButtonBar?>
-<?import javafx.scene.control.TreeView?>
+<?import javafx.scene.control.ListView?>
+<?import javafx.scene.control.TitledPane?>
 <?import javafx.scene.layout.HBox?>
 <?import javafx.scene.layout.VBox?>
 
-<VBox maxHeight="-Infinity" maxWidth="-Infinity"
-	minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0"
-	prefWidth="600.0" xmlns="http://javafx.com/javafx/11.0.1"
-	xmlns:fx="http://javafx.com/fxml/1" fx:controller="envoy.client.ui.SettingsSceneController">
+<VBox alignment="TOP_RIGHT" maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/11.0.1" xmlns:fx="http://javafx.com/fxml/1" fx:controller="envoy.client.ui.SettingsSceneController">
 	<children>
 		<HBox prefHeight="100.0" prefWidth="200.0">
-			<children>
-				<TreeView prefHeight="200.0" prefWidth="200.0" />
-			</children>
+         <children>
+            <ListView fx:id="settingsList" onMouseClicked="#settingsListClicked" prefHeight="200.0" prefWidth="200.0" />
+            <TitledPane fx:id="titledPane" collapsible="false" prefHeight="200.0" prefWidth="200.0" />
+         </children>
 		</HBox>
-		<ButtonBar prefHeight="40.0" prefWidth="200.0">
-			<buttons>
-				<Button cancelButton="true" mnemonicParsing="false"
-					text="Cancel" />
-				<Button mnemonicParsing="false" text="Apply" />
-				<Button defaultButton="true" mnemonicParsing="false"
-					text="Apply &amp; Close" />
-			</buttons>
-		</ButtonBar>
+      <Button defaultButton="true" mnemonicParsing="false" onMouseClicked="#backButtonClicked" text="Back">
+         <opaqueInsets>
+            <Insets />
+         </opaqueInsets>
+      </Button>
 	</children>
 </VBox>