How to save files using a File Chooser in JavaFX?

JavaFXObject Oriented ProgrammingProgramming

Using JavaFX file chooser, you can open files browse through them and save the files. The class javafx.stage.FileChooser represents a file chooser, you can open a file dialog open single or multiple files using this. You can create a file chooser in your application by instantiating this class.

Opening multiple files

The showSaveDialog() method displays a save dialog which allows you to save a file and return it. This method returns null if you haven’t chosen any file

To save a file using JavaFX −

  • Instantiate the FileChooser class.

  • Set the required properties.

  • Invoke the showSaveDialog() method.

  • Add the file chooser to a root node.

  • Add the root node to the scene object

Example

import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
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.image.ImageView;
import javafx.scene.paint.Color;
import javafx.stage.FileChooser;
import javafx.stage.Stage;
import javafx.stage.FileChooser.ExtensionFilter;
public class FileChooserSavingFile extends Application {
   @Override
   public void start(Stage stage) {
      ImageView imgView = new ImageView("UIControls/Save.png");
      imgView.setFitWidth(20);
      imgView.setFitHeight(20);
      Menu file = new Menu("File");
      MenuItem item = new MenuItem("Save", imgView);
      file.getItems().addAll(item);
      //Creating a File chooser
      FileChooser fileChooser = new FileChooser();
      fileChooser.setTitle("Save");
      fileChooser.getExtensionFilters().addAll(new ExtensionFilter("All Files", "*.*"));
      //Adding action on the menu item
      item.setOnAction(new EventHandler<ActionEvent>() {
         public void handle(ActionEvent event) {
            //Opening a dialog box
            fileChooser.showSaveDialog(stage);
         }
      });
      //Creating a menu bar and adding menu to it.
      MenuBar menuBar = new MenuBar(file);
      Group root = new Group(menuBar);
      Scene scene = new Scene(root, 595, 355, Color.BEIGE);
      stage.setTitle("File Chooser Example");
      stage.setScene(scene);
      stage.show();
   }
   public static void main(String args[]){
      launch(args);
   }
}

Output

raja
Published on 18-May-2020 11:11:42
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