我正在制作一个MenuBar
,我不想按一个Menu
喜欢的功能:“文件”然后执行一个动作。比如打开另一个 fxml,或者写一些输出的例子。
我想要类似“文件”中的MenuItem
(谎言“关于”) 的功能。Menu
package model;
import static java.lang.System.out;
import javafx.application.Application;
import javafx.beans.property.ReadOnlyDoubleProperty;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Pos;
import javafx.geometry.Side;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.scene.input.KeyCode;
import javafx.scene.input.KeyCodeCombination;
import javafx.scene.input.KeyCombination;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.stage.Stage;
/**
* Example of creating menus in JavaFX.
*
* @author Dustin
*/
public class JavaFxMenus extends Application
{
/**
* Build menu bar with included menus for this demonstration.
*
* @param menuWidthProperty Width to be bound to menu bar width.
* @return Menu Bar with menus included.
*/
private MenuBar buildMenuBarWithMenus(final ReadOnlyDoubleProperty menuWidthProperty)
{
final MenuBar menuBar = new MenuBar();
// Prepare left-most 'File' drop-down menu
final Menu fileMenu = new Menu("File");
menuBar.getMenus().add(fileMenu);
//menuBar.getOnMouseClicked().handle(this);
// Prepare 'Examples' drop-down menu
final Menu examplesMenu = new Menu("JavaFX 2.0 Examples");
examplesMenu.getItems().add(new MenuItem("Text Example"));
examplesMenu.getItems().add(new MenuItem("Objects Example"));
examplesMenu.getItems().add(new MenuItem("Animation Example"));
menuBar.getMenus().add(examplesMenu);
// Prepare 'Help' drop-down menu
final Menu helpMenu = new Menu("Help");
helpMenu.setOnAction(null);
final MenuItem searchMenuItem = new MenuItem("Search");
searchMenuItem.setDisable(true);
helpMenu.getItems().add(searchMenuItem);
final MenuItem onlineManualMenuItem = new MenuItem("Online Manual");
onlineManualMenuItem.setVisible(false);
helpMenu.getItems().add(onlineManualMenuItem);
helpMenu.getItems().add(new SeparatorMenuItem());
final MenuItem aboutMenuItem =
MenuItemBuilder.create()
.text("About")
.onAction(
new EventHandler<ActionEvent>()
{
@Override public void handle(ActionEvent e)
{
out.println("You clicked on About!");
}
})
.accelerator(
new KeyCodeCombination(
KeyCode.A, KeyCombination.CONTROL_DOWN))
.build();
helpMenu.getItems().add(aboutMenuItem);
menuBar.getMenus().add(helpMenu);
// bind width of menu bar to width of associated stage
menuBar.prefWidthProperty().bind(menuWidthProperty);
return menuBar;
}
/**
* Start of JavaFX application demonstrating menu support.
*
* @param stage Primary stage.
*/
@Override
public void start(final Stage stage)
{
stage.setTitle("Creating Menus with JavaFX 2.0");
final Group rootGroup = new Group();
final Scene scene = new Scene(rootGroup, 800, 400, Color.WHEAT);
final MenuBar menuBar = buildMenuBarWithMenus(stage.widthProperty());
rootGroup.getChildren().add(menuBar);
stage.setScene(scene);
stage.show();
}
/**
* Main executable function for running examples.
*
* @param arguments Command-line arguments: none expected.
*/
public static void main(final String[] arguments)
{
Application.launch(arguments);
}
}