Question

i need a javafx code

1. first create menu bar with option open and save

2. when user click on open it opens the file only image file

3. when user click on save it saves as new file.

Answer 1

import javafx.application.Application;
import javafx.stage.Stage;
import javafx.stage.FileChooser;
import javafx.stage.FileChooser.ExtensionFilter;
import javafx.scene.Scene;
import javafx.scene.layout.VBox;
import javafx.scene.layout.HBox;
import javafx.scene.text.Font;
import javafx.scene.text.FontWeight;
import javafx.scene.text.Text;
import javafx.scene.paint.Color;
import javafx.scene.control.TextArea;
import javafx.scene.control.ScrollPane;
import javafx.scene.control.ScrollPane.ScrollBarPolicy;
import javafx.scene.control.Label;
import javafx.scene.control.Button;
import javafx.geometry.Pos;
import javafx.geometry.Insets;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;

public class SaveFileChooserExample
                extends Application {

        private Text actionStatus;
        private Stage savedStage;
        private TextArea txtArea;
        private static final String titleTxt = "JavaFX File Chooser Example 2";
        private static final String defaultFileName = "MyFile.txt";

        public static void main(String [] args) {

                Application.launch(args);
        }

        @Override
        public void start(Stage primaryStage) {
        
                primaryStage.setTitle(titleTxt);        

                // Window label
                Label label = new Label("Save File Chooser");
                label.setTextFill(Color.DARKBLUE);
                label.setFont(Font.font("Calibri", FontWeight.BOLD, 36));
                HBox labelHb = new HBox();
                labelHb.setAlignment(Pos.CENTER);
                labelHb.getChildren().add(label);
                
                // Text area in a scrollpane and label
                Label txtAreaLabel = new Label("Enter text and save as a file:");
                txtAreaLabel.setFont(Font.font("Calibri", FontWeight.NORMAL, 20));
                txtArea = new TextArea();
                txtArea.setWrapText(true);
                ScrollPane scroll = new ScrollPane();
                scroll.setContent(txtArea);
                scroll.setFitToWidth(true);
                scroll.setFitToHeight(true);
                scroll.setPrefHeight(150);
                scroll.setHbarPolicy(ScrollPane.ScrollBarPolicy.NEVER);
                scroll.setVbarPolicy(ScrollPane.ScrollBarPolicy.AS_NEEDED);
                
                VBox txtAreaVbox = new VBox(5);
                txtAreaVbox.setPadding(new Insets(5, 5, 5, 5));
                txtAreaVbox.getChildren().addAll(txtAreaLabel, scroll);

                // Button
                Button btn1 = new Button("Save as file...");
                btn1.setOnAction(new SaveButtonListener());
                HBox buttonHb1 = new HBox(10);
                buttonHb1.setAlignment(Pos.CENTER);
                buttonHb1.getChildren().addAll(btn1);

                // Status message text
                actionStatus = new Text();
                actionStatus.setFont(Font.font("Calibri", FontWeight.NORMAL, 20));
                actionStatus.setFill(Color.FIREBRICK);

                // Vbox
                VBox vbox = new VBox(30);
                vbox.setPadding(new Insets(25, 25, 25, 25));
                vbox.getChildren().addAll(labelHb, txtAreaVbox, buttonHb1, actionStatus);

                // Scene
                Scene scene = new Scene(vbox, 600, 400); // w x h
                primaryStage.setScene(scene);
                primaryStage.show();

                savedStage = primaryStage;
        }

        private class SaveButtonListener implements EventHandler<ActionEvent> {

                @Override
                public void handle(ActionEvent e) {

                        showSaveFileChooser();
                }
        }

        private void showSaveFileChooser() {

                FileChooser fileChooser = new FileChooser();
                fileChooser.setTitle("Save file");
                fileChooser.setInitialFileName(defaultFileName);
                File savedFile = fileChooser.showSaveDialog(savedStage);

                if (savedFile != null) {

                        try {
                                saveFileRoutine(savedFile);
                        }
                        catch(IOException e) {
                        
                                e.printStackTrace();
                                actionStatus.setText("An ERROR occurred while saving the file!" +
                                                savedFile.toString());
                                return;
                        }
                        
                        actionStatus.setText("File saved: " + savedFile.toString());
                }
                else {
                        actionStatus.setText("File save cancelled.");
                }
        }

    private void saveFileRoutine(File file)
                        throws IOException{
                // Creates a new file and writes the txtArea contents into it
                String txt = txtArea.getText();
                file.createNewFile();
                FileWriter writer = new FileWriter(file);
                writer.write(txt);
                writer.close();
        }
}