JavaFX | CustomMenuItem

CustomMenuItem is a part of the JavaFX library. CustomMenuItem allows different types of nodes as its menu item. One of the useful property of the customMenuItem is hideOnClick. This property states whether the menu should be hidden when the user clicks the menuitem or not.

Constructors of CustomMenuItem:

1. CustomMenuItem(Node n): creates a menuitem with the node specified
2. CustomMenuItem(Node n, boolean b): creates a menuitem with the node and hide on click property specified

Commonly used methods:

Below programs will illustrate the use of CustomMenuItem:

• Program to Create a custom menu items and add it to the menu: This program creates a menubar indicated by the name menubar. A menu will be created by name m and 3 custom menuitems menuitem_1, menuitem_2, menuitem_3 will be added to the menu and the menu will be added to the menubar. The menubar will be created inside a scene, which in turn will be hosted inside a stage. The function setTitle() is used to provide a title to the stage. Then a VBox is created, on which addChildren() method is called to attach the menubar inside the scene. Finally, the show() method is called to display the final results. The CustonMenuItems will contain a button, label, and a checkbox.
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  // Program to create a custom menu items and add it to the menu import javafx.application.Application; import javafx.scene.Scene; import javafx.scene.control.*; import javafx.scene.layout.*; import javafx.event.ActionEvent; import javafx.event.EventHandler; import javafx.collections.*; import javafx.stage.Stage; import javafx.scene.text.Text.*; import javafx.scene.paint.*; import javafx.scene.text.*;    public class CustomMenuItem_1 extends Application {        // Launch the application     public void start(Stage stage)     {         // Set title for the stage         stage.setTitle("creating CustomMenuItem ");            // Create a tile pane         TilePane r = new TilePane();            // Create a label         Label description_label =                     new Label("This is a CustomMenuItem example ");            // Create a menu         Menu menu = new Menu("Menu");            // Create menuitems         CustomMenuItem menuitem_1 =                     new CustomMenuItem(new Button("MenuItem 1"));         CustomMenuItem menuitem_2 =                     new CustomMenuItem(new Label("MenuItem 2"));         CustomMenuItem menuitem_3 =                     new CustomMenuItem(new CheckBox("MenuItem 3"));            // Add menu items to menu         menu.getItems().add(menuitem_1);         menu.getItems().add(menuitem_2);         menu.getItems().add(menuitem_3);            // Create a menubar         MenuBar menubar = new MenuBar();            // Add menu to menubar         menubar.getMenus().add(menu);            // Create a VBox         VBox vbox = new VBox(menubar);            // Create a scene         Scene scene = new Scene(vbox, 200, 200);            // Set the scene         stage.setScene(scene);            stage.show();     }        public static void main(String args[])     {         // Launch the application         launch(args);     } }

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• Program to create custom menu items and add it to the menu and use the property hide on click: This program creates a menubar indicated by the name menubar. A menu will be created by name m and 4 custom menuitems menuitem_1, menuitem_2, menuitem_3, menuitem_4 will be added to the menu and the menu will be added to the menubar. The menubar will be created inside a scene, which in turn will be hosted inside a stage. The function setTitle() is used to provide a title to the stage. Then a VBox is created, on which addChildren() method is called to attach the menubar inside the scene. Finally, the show() method is called to display the final results. The CustonMenuItems will contain a button, a slider, a checkbox, and a choicebox. The hide on click property of custom menuitems_2 and menuitems_4 will be set to false and of menuitem_1 and menuitems_3 will be set to true. On Clicking on mneuitem_2 and menuitem_4 will not disappear on clicking.
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  // Program to create custom menu items and // Add it to the menu and use the property hide on click    import javafx.application.Application; import javafx.scene.Scene; import javafx.scene.control.*; import javafx.scene.layout.*; import javafx.event.ActionEvent; import javafx.event.EventHandler; import javafx.collections.*; import javafx.stage.Stage; import javafx.scene.text.Text.*; import javafx.scene.paint.*; import javafx.scene.text.*; public class CustomMenuItem_2 extends Application {        // Launch the application     public void start(Stage stage)     {         // Set title for the stage         stage.setTitle("creating CustomMenuItem ");            // Create a tile pane         TilePane r = new TilePane();            // Create a label         Label description_label =                    new Label("This is a CustomMenuItem example ");            // Create a menu         Menu menu = new Menu("Menu");            // Create menuitems         CustomMenuItem menuitem_1 =                    new CustomMenuItem(new Button("MenuItem 1"));         CustomMenuItem menuitem_2 =                    new CustomMenuItem(new Slider());         CustomMenuItem menuitem_3 =                    new CustomMenuItem(new CheckBox("MenuItem 3"));         CustomMenuItem menuitem_4 =                    new CustomMenuItem(new ChoiceBox(FXCollections                      .observableArrayList("choice 1",                                    "choice 2", "choice 3")));            // Cet hide on click property         menuitem_2.setHideOnClick(false);         menuitem_4.setHideOnClick(false);         menuitem_1.setHideOnClick(true);         menuitem_3.setHideOnClick(true);            // Add menu items to menu         menu.getItems().add(menuitem_1);         menu.getItems().add(menuitem_2);         menu.getItems().add(menuitem_3);         menu.getItems().add(menuitem_4);            // Create a menubar         MenuBar menubar = new MenuBar();            // Add menu to menubar         menubar.getMenus().add(menu);            // Create a VBox         VBox vbox = new VBox(menubar);            // Create a scene         Scene scene = new Scene(vbox, 200, 200);            // Cet the scene         stage.setScene(scene);            stage.show();     }        public static void main(String args[])     {         // Launch the application         launch(args);     } }

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Note: The above programs might not run in an online IDE please use an offline compiler.

Reference: https://docs.oracle.com/javafx/2/api/javafx/scene/control/CustomMenuItem.html

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