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JavaFX FileChooser

JavaFX File chooser enables users to browse the files from the file system. javafx.stage.FileChooser class represents FileChooser. It can be created by instantiating FileChooser class. It contains two main methods.

As we see in the modern day applications, there are two types of dialogues shown to the user, one is for opening the file and the other is for saving the files. In each case, the user needs to browse a location for the file and give the name to the file.

The FileChooser class provides two types of methods,

showOpenDialog()
showSaveDialog()

The following code implements showSaveDialog() method.

Example 1:

package application;
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.TextField;
import javafx.scene.layout.HBox;
import javafx.stage.FileChooser;
import javafx.stage.Stage;
public class FileChooserExample extends Application{

	@Override
	public void start(Stage primaryStage) throws Exception {
		// TODO Auto-generated method stub
		
		FileChooser file = new FileChooser();
		file.setTitle("Open File");
		file.showOpenDialog(primaryStage);
		
		HBox root = new HBox();
		
		root.setSpacing(20);
	
		Scene scene = new Scene(root,350,100);
		primaryStage.setScene(scene);
		primaryStage.setTitle("FileChooser Example");
		primaryStage.show();
		
	}
	public static void main(String[] args) {
		launch(args);
	}

}

The above code shows the following dialogue box to the user where user is prompted to browse the location of the file which needs to be opened.

Example 2:

The following code shows a Label, TextField and a Button to the user. An open file dialogue box will open on clicking the browse button.

package application;
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.TextField;
import javafx.scene.layout.HBox;
import javafx.stage.FileChooser;
import javafx.stage.Stage;
public class FileChooserExample extends Application{

	@Override
	public void start(Stage primaryStage) throws Exception {
		// TODO Auto-generated method stub
		Label label = new Label("File:");
		TextField tf= new TextField();
		Button btn = new Button("Browse");
		btn.setOnAction(e->
		{
			FileChooser file = new FileChooser();
			file.setTitle("Open File");
			file.showOpenDialog(primaryStage);
		});
		HBox root = new HBox();
	//root.getChildren().add(file);
		
		root.setSpacing(20);
		root.getChildren().addAll(label,tf,btn);
		Scene scene = new Scene(root,350,100);
		primaryStage.setScene(scene);
		primaryStage.setTitle("FileChooser Example");
		primaryStage.show();
		
	}
	public static void main(String[] args) {
		launch(args);
	}

}

Output:

Saving Files

The following code shows the dialogue box for saving the files.

package application;
import java.io.File;
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.scene.layout.StackPane;
import javafx.stage.FileChooser;
import javafx.stage.Stage;

public class MainClass extends Application {
public static void main(String[] args) {
launch(args);
}
@Override
public void start(Stage primaryStage)
{
	Button btn = new Button("SAVE");
	btn.setOnAction(e->
	{
		FileChooser file = new FileChooser();
		file.setTitle("Save Image");
		//System.out.println(pic.getId());
		File file1 = file.showSaveDialog(primaryStage);
		System.out.println(file1);
	});
	
	StackPane root = new StackPane();
	Scene scene = new Scene(root,200,300);
	primaryStage.setScene(scene);
	root.getChildren().add(btn);
	primaryStage.show();
}

}

Output:

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JavaFX FileChooser

Example 1:

Example 2:

Saving Files

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