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/**
 * ListView Demo
 * @author Notus(hehe_xiao@qq.com)
 * @date 2017-11-14
 */


package com.test;

import javafx.application.Application;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.geometry.Orientation;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.control.ListView;
import javafx.scene.control.MultipleSelectionModel;
import javafx.scene.layout.FlowPane;
import javafx.stage.Stage;


public class ListViewDemo extends Application {

    public static void main(String[] args){

        launch(args);

    }

    @Override
    public void start(Stage primaryStage) throws Exception {

        // 创建根节点
        FlowPane rootNode = new FlowPane(Orientation.VERTICAL, 10, 10);
        rootNode.setAlignment(Pos.CENTER);

        // 创建场景
        Scene myScene = new Scene(rootNode, 300, 200);

        // 设置舞台
        primaryStage.setScene(myScene);
        primaryStage.setTitle("ListView 测试");

        // 创建控件
        Label response = new Label("请选择电脑类型");

        // 创建 ListView
        ObservableList<String> computerTypes = FXCollections.observableArrayList("Smartphone", "Tablet", "Notebook", "Desktop");
        ListView<String> lvComputers = new ListView<>(computerTypes);
        lvComputers.setPrefSize(100, 70);

        // ListView 事件处理
        MultipleSelectionModel<String> lvSelModel = lvComputers.getSelectionModel();
        lvSelModel.selectedItemProperty().addListener(new ChangeListener<String>() {
            @Override
            public void changed(ObservableValue<? extends String> observable, String oldValue, String newValue) {
                response.setText("Computer selected is " + newValue);
            }
        });

        // 添加控件到根结点
        rootNode.getChildren().addAll(lvComputers, response);


        // 显示舞台
        primaryStage.show();

    }
}