Tutorial 15 added.

Author: buckyroberts

JavaFX/015_treeView/Main.java

@@ -0,0 +1,65 @@
+import javafx.application.Application;
+import javafx.scene.Scene;
+import javafx.scene.control.TreeItem;
+import javafx.scene.control.TreeView;
+import javafx.scene.layout.StackPane;
+import javafx.stage.Stage;
+
+public class Main extends Application {
+
+    Stage window;
+    TreeView<String> tree;
+
+    public static void main(String[] args) {
+        launch(args);
+    }
+
+    @Override
+    public void start(Stage primaryStage) {
+        window = primaryStage;
+        window.setTitle("JavaFX - thenewboston");
+
+        TreeItem<String> root, bucky, megan;
+
+        //Root
+        root = new TreeItem<>();
+        root.setExpanded(true);
+
+        //Bucky
+        bucky = makeBranch("Bucky", root);
+        makeBranch("thenewboston", bucky);
+        makeBranch("YouTube", bucky);
+        makeBranch("Chicken", bucky);
+
+        //Megan
+        megan = makeBranch("Megan", root);
+        makeBranch("Glitter", megan);
+        makeBranch("Makeup", megan);
+
+        //Create the tree and hide the main Root
+        tree = new TreeView<>(root);
+        tree.setShowRoot(false);
+        tree.getSelectionModel().selectedItemProperty()
+                .addListener((v, oldValue, newValue) -> {
+                    if (newValue != null)
+                        System.out.println(newValue.getValue());
+                });
+
+        //Layout
+        StackPane layout = new StackPane();
+        layout.getChildren().add(tree);
+        Scene scene = new Scene(layout, 300, 250);
+        window.setScene(scene);
+        window.show();
+    }
+
+    //Create branches
+    public TreeItem<String> makeBranch(String title, TreeItem<String> parent) {
+        TreeItem<String> item = new TreeItem<>(title);
+        item.setExpanded(true);
+        parent.getChildren().add(item);
+        return item;
+    }
+
+
+}