UI 控件 -> ChoiceBox

package javafxui;import java.util.Properties;import javafx.application.Application;import javafx.beans.property.Property;import javafx.beans.value.ObservableValue;import javafx.collections.FXCollections;import javafx.scene.Scene;import javafx.scene.control.ChoiceBox;import javafx.scene.control.Label;import javafx.scene.control.Separator;import javafx.scene.control.Tooltip;import javafx.scene.image.Image;import javafx.scene.image.ImageView;import javafx.scene.layout.HBox;import javafx.scene.layout.Pane;import javafx.stage.Stage;public class LearnChoiceBox extends Application{@Overridepublic void start(Stage stage) {Pane pane = new Pane();HBox hBox = new HBox();HBox hb = new HBox();Image image = new Image("res/timg.jpg");ImageView imageView = new ImageView();imageView.setImage(image);/*@1 *  创建ChoiceBox *  第一种直接创建 * 第二种创建空的ChoiceBox 然后通过setItems() 设置 并且中间可以使用分隔符  */ChoiceBox cb1 = new ChoiceBox(FXCollections.observableArrayList("First","Second","Third"));ChoiceBox cb2 = new ChoiceBox();cb2.setItems(FXCollections.observableArrayList("New Document","Opne",new Separator(),"Save","Save as"));/*@2 *  设置行为 * 鼠标点击对应键 显示不同问候语言 *  */Label label = new Label();final String[] greetings = {"Hello", "Hola", "你好"};final ChoiceBox cb = new ChoiceBox(FXCollections.observableArrayList("English", "Espanol","简体中文"));cb.getSelectionModel().selectedIndexProperty().addListener((ObservableValue<? extends Number> ov, Number old_val, Number new_val)->{label.setText(greetings[new_val.intValue()]);});//自动提示信息Tooltip tooltip = new Tooltip();tooltip.setText("Welcome to here");cb.setTooltip(tooltip);hBox.getChildren().addAll(cb,label);pane.getChildren().add(hBox);stage.setScene(new Scene(pane));stage.show();}public static void main(String[] args) {Application.launch(args);}}