package javafxreadtextfile;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.util.logging.Level;
import java.util.logging.Logger;
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.layout.VBox;
import javafx.stage.FileChooser;
import javafx.stage.Stage;
/**
*
* @web http://java-buddy.blogspot.com/
*/
public class JavaFXReadTextFile extends Application {
@Override
public void start(Stage primaryStage) {
Button btnLoad = new Button("Load");
btnLoad.setOnAction(btnLoadEventListener);
VBox rootBox = new VBox();
rootBox.getChildren().add(btnLoad);
Scene scene = new Scene(rootBox, 300, 300);
primaryStage.setTitle("java-buddy.blogspot.com");
primaryStage.setScene(scene);
primaryStage.show();
}
EventHandler<ActionEvent> btnLoadEventListener
= (ActionEvent event) -> {
FileChooser fileChooser = new FileChooser();
fileChooser.getExtensionFilters()
.addAll(
new FileChooser.ExtensionFilter("TXT files (*.TXT)", "*.TXT"),
new FileChooser.ExtensionFilter("txt files (*.txt)", "*.txt"));
File file = fileChooser.showOpenDialog(null);
if (file != null) {
try {
Files.lines(file.toPath()).forEach(System.out::println);
} catch (IOException ex) {
Logger.getLogger(JavaFXReadTextFile.class.getName())
.log(Level.SEVERE, null, ex);
}
}
};
public static void main(String[] args) {
launch(args);
}
}
Monday, December 28, 2015
Files.lines() read text file returned by JavaFX FileChooser
Example show how to read all lines from a file returned by JavaFX FileChooser, using Files.lines().
Sunday, December 6, 2015
JavaFX FileChooser to open image file, and display on ImageView, run on Ubuntu GNOME 15.10/NetBeans 8.1
Re-test "Use JavaFX FileChooser to open image file, and display on ImageView" on Ubuntu GNOME 15.10/NetBeans 8.1.
package javafxpixel;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javafx.application.Application;
import javafx.embed.swing.SwingFXUtils;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.VBox;
import javafx.stage.FileChooser;
import javafx.stage.Stage;
import javax.imageio.ImageIO;
/**
* @web http://java-buddy.blogspot.com/
*/
public class JavaFxPixel extends Application {
ImageView myImageView;
@Override
public void start(Stage primaryStage) {
Button btnLoad = new Button("Load");
btnLoad.setOnAction(btnLoadEventListener);
myImageView = new ImageView();
VBox rootBox = new VBox();
rootBox.getChildren().addAll(btnLoad, myImageView);
Scene scene = new Scene(rootBox, 300, 300);
primaryStage.setTitle("java-buddy.blogspot.com");
primaryStage.setScene(scene);
primaryStage.show();
}
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
launch(args);
}
EventHandler<ActionEvent> btnLoadEventListener
= new EventHandler<ActionEvent>(){
@Override
public void handle(ActionEvent t) {
FileChooser fileChooser = new FileChooser();
//Set extension filter
FileChooser.ExtensionFilter extFilterJPG =
new FileChooser.ExtensionFilter("JPG files (*.JPG)", "*.JPG");
FileChooser.ExtensionFilter extFilterjpg =
new FileChooser.ExtensionFilter("jpg files (*.jpg)", "*.jpg");
FileChooser.ExtensionFilter extFilterPNG =
new FileChooser.ExtensionFilter("PNG files (*.PNG)", "*.PNG");
FileChooser.ExtensionFilter extFilterpng =
new FileChooser.ExtensionFilter("png files (*.png)", "*.png");
fileChooser.getExtensionFilters()
.addAll(extFilterJPG, extFilterjpg, extFilterPNG, extFilterpng);
//Show open file dialog
File file = fileChooser.showOpenDialog(null);
try {
BufferedImage bufferedImage = ImageIO.read(file);
Image image = SwingFXUtils.toFXImage(bufferedImage, null);
myImageView.setImage(image);
} catch (IOException ex) {
Logger.getLogger(JavaFxPixel.class.getName()).log(Level.SEVERE, null, ex);
}
}
};
}
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