import javafx.application.Application;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.event.ActionEvent;
import javafx.event.Event;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Menu;
import javafx.scene.control.MenuBar;
import javafx.scene.control.MenuItem;
import javafx.scene.image.ImageView;
import javafx.scene.input.KeyCombination;
import javafx.scene.input.Mnemonic;
import javafx.scene.layout.AnchorPane;
import javafx.stage.Stage;
/*
* MenuBar Menu MenuItem
* */
public class Main_26 extends Application {
public static void main(String[] args) {
launch(args);
}
@Override
public void start(Stage primaryStage) throws Exception {
AnchorPane an = new AnchorPane();
an.setStyle("-fx-background-color:#7AC5CD");
//在 MenuBar 上放 Menu,在 Menu 上放 MenuItem
MenuBar menuBar = new MenuBar();
Menu menu1 = new Menu("menu1");
Menu menu2 = new Menu("menu2");
Menu menu3 = new Menu("menu3");
Menu menu4 = new Menu("menu4");
MenuItem item1 = new MenuItem("item1");
MenuItem item2 = new MenuItem("item2",new ImageView("icon/icon.png"));
MenuItem item3 = new MenuItem("item3");
MenuItem item4 = new MenuItem("item4");
MenuItem item5 = new MenuItem("item5");
menu1.getItems().addAll(item1,item2,item3);
menu2.getItems().addAll(item4,item5);
// menu1.setOnShowing();menu1.setOnShown();menu1.setOnHiding();menu1.setOnHidden();
menuBar.getMenus().addAll(menu1,menu2,menu3,menu4);
//给菜单选项设置快捷键
item1.setAccelerator(KeyCombination.valueOf("ctrl+alt+g"));
an.getChildren().addAll(menuBar);
Scene scene = new Scene(an);
primaryStage.setScene(scene);
primaryStage.setTitle("JavaFX");
primaryStage.setWidth(800);
primaryStage.setHeight(800);
primaryStage.show();
menuBar.setPrefWidth(primaryStage.getWidth());
//添加item单击事件
item1.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
System.out.println("item1.setOnAction");
}
});
item2.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
System.out.println("item2.setOnAction");
}
});
menu2.setOnShowing(new EventHandler<Event>() {
@Override
public void handle(Event event) {
System.out.println("menu1.setOnShowing");
}
});
//添加根节点的宽度监听,使得菜单栏宽度和窗口保持一致
an.widthProperty().addListener(new ChangeListener<Number>() {
@Override
public void changed(ObservableValue<? extends Number> observable, Number oldValue, Number newValue) {
menuBar.setPrefWidth(newValue.doubleValue());
}
});
}
}
效果:
参考1:
https://www.bilibili.com/video/BV1bW41117hW
import javafx.application.Application;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.event.ActionEvent;
import javafx.event.Event;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.scene.image.ImageView;
import javafx.scene.input.KeyCombination;
import javafx.scene.layout.AnchorPane;
import javafx.stage.Stage;
public class Main_27 extends Application {
public static void main(String[] args) {
launch(args);
}
@Override
public void start(Stage primaryStage) throws Exception {
AnchorPane an = new AnchorPane();
an.setStyle("-fx-background-color:#7AC5CD");
MenuBar menuBar = new MenuBar();
Menu menu1 = new Menu("menu1");
Menu menu2 = new Menu("menu2");
Menu menu3 = new Menu("menu3");
Menu menu4 = new Menu("menu4");
SeparatorMenuItem separ1 = new SeparatorMenuItem();//朴实无华的分割线
SeparatorMenuItem separ2 = new SeparatorMenuItem();
MenuItem item1 = new MenuItem("MenuItem1");
MenuItem item2 = new MenuItem("MenuItem2");
MenuItem item3 = new MenuItem("MenuItem3");
MenuItem item4 = new MenuItem("MenuItem4");
Menu m = new Menu("拆分Menu");//2级菜单,menu放在另一个menu下
MenuItem item5 = new MenuItem("MenuItem5");
MenuItem item6 = new MenuItem("MenuItem6");
MenuItem item7 = new MenuItem("MenuItem7");
MenuItem item8 = new MenuItem("MenuItem8");
m.getItems().addAll(item5,item6);
//单选按钮,单选按钮组
ToggleGroup tg = new ToggleGroup();
RadioMenuItem rmi1 = new RadioMenuItem("RadioMenuItem1");
RadioMenuItem rmi2 = new RadioMenuItem("RadioMenuItem2");
RadioMenuItem rmi3 = new RadioMenuItem("RadioMenuItem3");
rmi1.setToggleGroup(tg);
rmi2.setToggleGroup(tg);
rmi3.setToggleGroup(tg);
rmi1.setSelected(true);//默认选择
//多选
CheckMenuItem cmi1 = new CheckMenuItem("CheckMenuItem1");
CheckMenuItem cmi2 = new CheckMenuItem("CheckMenuItem2");
CheckMenuItem cmi3 = new CheckMenuItem("CheckMenuItem3");
//禁用
item1.setDisable(true);
menu4.setDisable(true);
//隐藏-不可见
item7.setVisible(false);
//单击事件
rmi1.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
System.out.println("\nrmi1当前选择状态 = " + rmi1.isSelected());
System.out.println("rmi2当前选择状态 = " + rmi2.isSelected());
System.out.println("rmi3当前选择状态 = " + rmi3.isSelected());
}
});
rmi2.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
System.out.println("\nrmi1当前选择状态 = " + rmi1.isSelected());
System.out.println("rmi2当前选择状态 = " + rmi2.isSelected());
System.out.println("rmi3当前选择状态 = " + rmi3.isSelected());
}
});
rmi3.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
System.out.println("\nrmi1当前选择状态 = " + rmi1.isSelected());
System.out.println("rmi2当前选择状态 = " + rmi2.isSelected());
System.out.println("rmi3当前选择状态 = " + rmi3.isSelected());
}
});
//添加
menu1.getItems().addAll(item1,separ1,item2,separ2,item3,item4,m,item7,item8);
menu2.getItems().addAll(rmi1,rmi2,rmi3);
menu3.getItems().addAll(cmi1,cmi2,cmi3);
// menu1.setOnShowing();menu1.setOnShown();menu1.setOnHiding();menu1.setOnHidden();
menuBar.getMenus().addAll(menu1,menu2,menu3,menu4);
an.getChildren().addAll(menuBar);
Scene scene = new Scene(an);
primaryStage.setScene(scene);
primaryStage.setTitle("JavaFX");
primaryStage.setWidth(800);
primaryStage.setHeight(800);
primaryStage.show();
menuBar.setPrefWidth(primaryStage.getWidth());
//添加根节点的宽度监听,使得菜单栏宽度和窗口保持一致
an.widthProperty().addListener(new ChangeListener<Number>() {
@Override
public void changed(ObservableValue<? extends Number> observable, Number oldValue, Number newValue) {
menuBar.setPrefWidth(newValue.doubleValue());
}
});
}
}
分割线、禁用、拆分(二级菜单)、隐藏(item7)、menu4也被禁用
单选
多选
参考2:
https://www.bilibili.com/video/BV1tt411f7Mc
//自定义选项CustomMenuItem,按钮菜单MenuButton,按钮菜单-分割按钮SplitMenuButton,右键菜单ContextMenu
import javafx.application.Application;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.event.ActionEvent;
import javafx.event.Event;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.scene.input.KeyCombination;
import javafx.scene.layout.AnchorPane;
import javafx.stage.Stage;
//CustomMenuItem,MenuButton,SplitMenuButton,ContextMenu
public class Main extends Application {
public static void main(String[] args) {
launch(args);
}
@Override
public void start(Stage primaryStage) throws Exception {
AnchorPane an = new AnchorPane();
an.setStyle("-fx-background-color:#fffff0");
//MenuBar -- Menu -- MenuItem
MenuBar menuBar = new MenuBar();
Menu menu1 = new Menu("menu1");
Menu menu2 = new Menu("menu2");
Menu menu3 = new Menu("menu3");
Menu menu4 = new Menu("menu4");
//菜单里的选项
MenuItem item1 = new MenuItem("MenuItem1");
MenuItem item2 = new MenuItem("MenuItem2");
MenuItem item3 = new MenuItem("MenuItem3");
MenuItem item4 = new MenuItem("MenuItem4");
//添加快捷键
item1.setAccelerator(KeyCombination.valueOf("ctrl+k"));
/*
item1.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
System.out.println("item1.setOnAction");
}
});
*/
//设置专门用来响应快捷键的动作
item1.setOnMenuValidation(new EventHandler<Event>() {
@Override
public void handle(Event event) {
System.out.println("item1.setOnMenuValidation");
}
});
menuBar.setPrefWidth(primaryStage.getWidth());
//添加根节点的宽度监听,使得菜单栏宽度和窗口一直保持一致
an.widthProperty().addListener(new ChangeListener<Number>() {
@Override
public void changed(ObservableValue<? extends Number> observable, Number oldValue, Number newValue) {
menuBar.setPrefWidth(newValue.doubleValue());
}
});
//自定义菜单选项CustomMenuItem
CustomMenuItem cmi1 = new CustomMenuItem();
AnchorPane an2 = new AnchorPane();
an2.getChildren().add(new Button("button"));
an2.setStyle("-fx-background-color:#FF7F24");
an2.setPrefWidth(150);
an2.setPrefHeight(150);
cmi1.setContent(an2);
//按钮菜单MenuButton,与MenuBar同级
MenuButton mb = new MenuButton("按钮式下拉菜单");
mb.setText("MenuButton");
mb.setMaxWidth(200);
mb.setMinWidth(200);//固定长度
AnchorPane.setTopAnchor(mb,200.0);
//菜单内容和下拉按钮分割的SplitMenuButton
SplitMenuButton smb = new SplitMenuButton();
smb.setText("SplitMenuButton");
smb.setMaxWidth(200);
smb.setMinWidth(200);//固定长度
AnchorPane.setTopAnchor(smb,200.0);
AnchorPane.setLeftAnchor(smb,240.0);
//右键弹出的菜单ContextMenu
ContextMenu cm = new ContextMenu();
Button b1 = new Button("button1");
b1.setStyle("-fx-font-size:25;");
cm.setStyle("-fx-font-size:25;");
b1.setContextMenu(cm);
AnchorPane.setTopAnchor(b1,30.0);
//添加组件
mb.getItems().addAll(item1);
smb.getItems().addAll(item4);
cm.getItems().addAll(item2,item3);
menu1.getItems().addAll(item1,item2,item3,item4,cmi1);
menuBar.getMenus().addAll(menu1,menu2,menu3,menu4);
an.getChildren().addAll(menuBar,mb,smb,b1);
Scene scene = new Scene(an);
primaryStage.setScene(scene);
primaryStage.setWidth(700);
primaryStage.setHeight(700);
primaryStage.show();
}
}
效果:
.1.
2.
3.
4.
参考3:
https://www.bilibili.com/video/BV1rt411f7bf