package mytest;

import javafx.application.Application;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.SelectionMode;
import javafx.scene.control.TreeItem;
import javafx.scene.control.TreeView;
import javafx.scene.input.MouseEvent;
import javafx.scene.shape.Rectangle;
import javafx.stage.Stage;

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

/**
 *
 * @author sjiang
 */
public class MyTreeViewTest extends Application {
    public static void main(String[] args) throws Exception {
        Application.launch(args);
    }

    @Override
    public void start(Stage stage) throws Exception {
        final TreeView treeView = new TreeView();
        treeView.setPrefSize(300, 300);
        treeView.getSelectionModel().setSelectionMode(SelectionMode.MULTIPLE);

        TreeItem<Rectangle> root = new TreeItem<Rectangle>(new Rectangle(20, 10));
        root.setExpanded(true);
        treeView.setRoot(root);

//        final TreeItem<String> aaa = new TreeItem<String>("aaa");
//        final TreeItem<String> bbb = new TreeItem<String>("bbb");
//        final TreeItem<String> ccc = new TreeItem<String>("ccc");

        final TreeItem<Rectangle> aaa = new TreeItem<Rectangle>(new Rectangle(20, 10));
        final TreeItem<Rectangle> bbb = new TreeItem<Rectangle>(new Rectangle(20, 10));
        final TreeItem<Rectangle> ccc = new TreeItem<Rectangle>(new Rectangle(20, 10));

        root.getChildren().setAll(aaa, bbb, ccc);

        treeView.addEventFilter(MouseEvent.MOUSE_CLICKED, new EventHandler<MouseEvent>() {

            public void handle(MouseEvent event) {
                if (event.getClickCount() == 2) {
                    event.consume();
                    System.out.println("---jsl double clicked event is consumed ? "+event.isConsumed());
                }
            }
        });

        Scene scene = new Scene(treeView);
        stage.setScene(scene);
        stage.show();
    }

    private static void addChildren(TreeItem parent, String name) {
        for (int i=0; i<3; i++) {
            TreeItem<String> ti = new TreeItem<String>(name+"-"+i);
            parent.getChildren().add(ti);
        }
        parent.setExpanded(true);
    }
}