/*
 (C) 2011 
 */
package fxsqe;

/**
 * Copyright (c) 2008, 2012 Oracle and/or its affiliates. All rights reserved.
 * Use is subject to license terms.
 */
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.stage.Stage;
import javafx.scene.control.TreeView;
import javafx.scene.control.TreeItem;
import java.util.Arrays;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.control.ButtonBuilder;
import javafx.scene.layout.VBox;

/**
 * An implementation of the TreeView control displaying an expandable tree root
 * node.
 *
 * @see javafx.scene.control.TreeView
 */
public class TreeViewSample extends Application {

    private void init(Stage primaryStage) {
        VBox root = new VBox();
        primaryStage.setScene(new Scene(root));
        final TreeItem<String> treeRoot = new TreeItem<String>("Root node");
        treeRoot.getChildren().addAll(Arrays.asList(
                new TreeItem<String>("Child Node 1"),
                new TreeItem<String>("Child Node 2"),
                new TreeItem<String>("Child Node 3")));

        treeRoot.getChildren().get(2).getChildren().addAll(Arrays.asList(
                new TreeItem<String>("Child Node 4"),
                new TreeItem<String>("Child Node 5"),
                new TreeItem<String>("Child Node 6"),
                new TreeItem<String>("Child Node 7"),
                new TreeItem<String>("Child Node 8"),
                new TreeItem<String>("Child Node 9"),
                new TreeItem<String>("Child Node 10"),
                new TreeItem<String>("Child Node 11"),
                new TreeItem<String>("Child Node 12")));

        final TreeView<String> treeView = new TreeView<String>();
        treeView.setShowRoot(true);
        treeView.setRoot(treeRoot);
        treeRoot.setExpanded(true);

        root.getChildren().add(treeView);
        root.getChildren().add(ButtonBuilder.create().text("new").onAction(new EventHandler<ActionEvent>() {

            @Override
            public void handle(ActionEvent t) {
                //                treeRoot.getChildren().get(2).getChildren().addAll(                        new TreeItem<String>("xxxxxx"));
                TreeItem<String> selectedItem = treeView.getSelectionModel().getSelectedItem();
                TreeItem<String> parent = selectedItem.getParent();
                int idx = parent.getChildren().indexOf(selectedItem);
                parent.getChildren().remove(selectedItem);
                parent.getChildren().add(0, selectedItem);
            }
        }).build());
    }

    @Override
    public void start(Stage primaryStage) throws Exception {
        init(primaryStage);
        primaryStage.show();
    }

    public static void main(String[] args) {
        launch(args);
    }
}