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How to add the slider to a menu item in JavaFX?
JavaFX slider
JavaFX provides a class known as Slider, this represents a slider component that displays a continuous range of values. This contains a track on which the number values are displayed. Along the track, there is a thumb pointing to the numbers. You can provide the maximum, minimum, and initial values of the slider.
In JavaFX you can create a slider by instantiating the javafx.scene.control.Slider class.
Menu Item
A menu is a list of options or commands presented to the user. In JavaFX a menu is represented by the javafx.scene.control.Menu class, you can create a menu by instantiating this class.
A menu item is an option in the menu it is represented by the javafx.scene.control.MenuItem class, a superclass of the Menu class. You can display a text or a graphic as a menu item and add the desired cation to it.
Setting slider as menu item −
The MenuItem class has a property named graphic this is of the type Node; this specifies the optional graphic for the current menu-item. You can set the value to this property using the setGraphic() method.
To add slider as a menu item create a slider object, invoke the setGrapic() method by passing this object as a parameter.
Example
import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Menu;
import javafx.scene.control.MenuBar;
import javafx.scene.control.MenuItem;
import javafx.scene.control.Slider;
import javafx.scene.paint.Color;
import javafx.stage.Stage;
public class SliderAsMenuItem extends Application {
@Override
public void start(Stage stage) {
//Creating a slider
Slider slider = new Slider(0, 100, 0);
slider.setShowTickLabels(true);
slider.setShowTickMarks(true);
slider.setMajorTickUnit(25);
slider.setBlockIncrement(10);
//Creating menu
Menu fileMenu = new Menu("File");
//Creating menu item
MenuItem item = new MenuItem();
//Setting slider as a menu item
item.setGraphic(slider);
//Adding all the menu items to the menu
fileMenu.getItems().addAll(item);
//Creating a menu bar and adding menu to it.
MenuBar menuBar = new MenuBar(fileMenu);
menuBar.setTranslateX(200);
menuBar.setTranslateY(20);
//Setting the stage
Group root = new Group(menuBar);
Scene scene = new Scene(root, 595, 200, Color.BEIGE);
stage.setTitle("Menu");
stage.setScene(scene);
stage.show();
}
public static void main(String args[]){
launch(args);
}
}Output
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