package tests;

import javafx.application.Application;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.TreeItem;
import javafx.scene.control.TreeView;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.HBox;
import javafx.stage.Stage;

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

/**
 *
 * @author sjiang
 */
public class MyTreeViewTest3 extends Application {
    private int count = 0;
    public static void main(String[] args) throws Exception {
        Application.launch(args);
    }

    @Override
    public void start(Stage stage) throws Exception {
        final TreeView treeView1 = new TreeView();
        treeView1.setPrefSize(300, 300);

        final TreeItem<String> root1 = new TreeItem<String>("Root1");
        root1.setExpanded(true);
        treeView1.setRoot(root1);

        final TreeView treeView2 = new TreeView();
        treeView2.setPrefSize(300, 300);

        final TreeItem<String> root2 = new TreeItem<String>("Root2");
        root2.setExpanded(true);
        treeView2.setRoot(root2);

        final TreeItem<String> ti = new TreeItem<String>("child-"+count++);
        treeView1.addEventHandler(MouseEvent.MOUSE_CLICKED, new EventHandler<MouseEvent>() {
            public void handle(MouseEvent event) {
                if (root2.getChildren().isEmpty()) {              
                    root2.getChildren().add(ti);
                    treeView2.getSelectionModel().select(ti);
                System.out.println("---jsl is ti selected? "+treeView2.getSelectionModel().getSelectedItems().contains(ti));
                } else {
                    root2.getChildren().clear();
                }

            }
        });

        HBox hbox = new HBox();
        hbox.getChildren().setAll(treeView1, treeView2);
        Scene scene = new Scene(hbox);
        stage.setScene(scene);
        stage.show();
    }
}