/*
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 * and open the template in the editor.
 */
package tests;

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


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

    @Override
    public void start(Stage stage) throws Exception {
        TreeView<Label> treeView = new TreeView<Label>();
        TreeItem<Label> root = new TreeItem<Label>(new Label("label"));
        treeView.setRoot(root);
        addChildren(root, 10);      
        root.setExpanded(true);
        
        TreeItem<Label> child = root.getChildren().get(3);
        addChildren(child, 5);
        child.setExpanded(true);
        child.getValue().addEventFilter(MouseEvent.MOUSE_CLICKED, new EventHandler<MouseEvent>() {
            @Override
            public void handle(MouseEvent me) {
                if (me.getClickCount() == 2) {
                    me.consume();
                    System.out.println("---jsl-label double-clicked event is consumed!");
                }
            }
        });
        
        treeView.addEventFilter(MouseEvent.MOUSE_CLICKED, new EventHandler<MouseEvent>() {
            @Override
            public void handle(MouseEvent me) {
                if (me.getClickCount() == 2) {
//                    me.consume();
                    System.out.println("---jsl-treeview receives double-clicked event");
                }
            }
        });
        
        StackPane sp = new StackPane();
        sp.addEventFilter(MouseEvent.MOUSE_CLICKED, new EventHandler<MouseEvent>() {
            @Override
            public void handle(MouseEvent me) {
                if (me.getClickCount() == 2) {
                    me.consume();
                    System.out.println("---jsl-stack pane receives double-clicked event");
                }
            }
        });
        sp.getChildren().setAll(treeView);
        
        Scene scene = new Scene(sp);
        stage.setScene(scene);
        stage.setWidth(350);
        stage.setHeight(620);
        
        stage.addEventFilter(MouseEvent.MOUSE_CLICKED, new EventHandler<MouseEvent>() {
            @Override
            public void handle(MouseEvent me) {
                if (me.getClickCount() == 2) {
////                    me.consume();
                    System.out.println("---jsl-stage: get double-clicked event");
                }
            }
        });
        
        stage.show();
    }
    
    private void addChildren(TreeItem<Label> parent, int nb) {
        for (int i=0; i<nb; i++) {
            String name = parent.getValue().getText()+"-"+i;
            TreeItem<Label> c = new TreeItem<Label>(new Label(name));
            parent.getChildren().add(c);
        }
    }
}