JavaFX ComboBox和Titlepane

最新推荐文章于 2025-03-02 08:09:23 发布

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最新推荐文章于 2025-03-02 08:09:23 发布

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分类专栏： # JavaFX Java

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import javafx.application.Application;
import javafx.beans.value.ObservableValue;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.scene.Scene;
import javafx.scene.control.ComboBox;
import javafx.scene.control.Label;
import javafx.scene.control.ListView;
import javafx.scene.control.TitledPane;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.Pane;
import javafx.stage.Stage;

public class ComboBoxAndTitlepaneTest extends Application {

    public static void main(String[] args) {
        launch(args);
    }

    @Override
    public void start(Stage primaryStage) {
        ObservableList<String> options = FXCollections.observableArrayList();
        options.add("A");
        options.add("B");
        options.add("C");

        ComboBox<String> comboBox = new ComboBox<>();
        comboBox.setItems(options);
        comboBox.setTranslateX(10);
        comboBox.setTranslateY(20);

        comboBox.getSelectionModel().selectedItemProperty().addListener((ObservableValue<? extends String> arg0, String arg1, String arg2) -> {
            if (arg2 != null) {
                System.out.println("ComboBox选项：" + arg2);
            }
        });

        TitledPane titledPane = new TitledPane();
        titledPane.setTranslateX(100);
        titledPane.setTranslateY(20);
        titledPane.setPrefWidth(220);
        titledPane.setText("TitledPane");
        titledPane.setExpanded(true);

        ListView<Label> listView = new ListView<>();
        titledPane.setContent(listView);
        listView.getItems().add(new Label("A"));
        listView.getItems().add(new Label("B"));
        listView.getItems().add(new Label("C"));
        listView.setFixedCellSize(22);
        listView.setPrefHeight(listView.getFixedCellSize() * listView.getItems().size());
        listView.addEventHandler(MouseEvent.MOUSE_CLICKED, e -> {
            if (e.getClickCount() == 2) {
                System.out.println("ListView双击选项：" + listView.getSelectionModel().getSelectedItem().getText());
            }

            if (e.getClickCount() == 1) {
                System.out.println("ListView单击选项：" + listView.getSelectionModel().getSelectedItem().getText());
            }
        });

        Pane pane = new Pane();
        pane.setPrefWidth(800);
        pane.setPrefHeight(400);
        pane.getChildren().addAll(comboBox, titledPane);
        primaryStage.setScene(new Scene(pane));
        primaryStage.show();
    }
}