JavaFX 2.0: FileChooser - Open File Dialog

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package javafx_filechooser;

import java.io.File;
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.VBox;
import javafx.stage.FileChooser;
import javafx.stage.Stage;

/**
*
* @author Seven
*/
public class JavaFX_FileChooser extends Application {

  File file;

  /**
   * @param args the command line arguments
   */
  public static void main(String[] args) {
      launch(args);
  }

  @Override
  public void start(Stage primaryStage) {
      primaryStage.setTitle("Hello World!");
    
      final Label labelFile = new Label();
    
      Button btn = new Button();
      btn.setText("Open FileChooser'");
      btn.setOnAction(new EventHandler<ActionEvent>() {

          @Override
          public void handle(ActionEvent event) {
              FileChooser fileChooser = new FileChooser();

              //Set extension filter
              FileChooser.ExtensionFilter extFilter = new FileChooser.ExtensionFilter("AVI files (*.avi)", "*.avi");
              fileChooser.getExtensionFilters().add(extFilter);
            
              //Show open file dialog
              file = fileChooser.showOpenDialog(null);
            
              labelFile.setText(file.getPath());
          }
      });
    
      VBox vBox = new VBox();
      vBox.getChildren().addAll(labelFile, btn);
    
      StackPane root = new StackPane();
      root.getChildren().add(vBox);
      primaryStage.setScene(new Scene(root, 300, 250));
      primaryStage.show();
  }
}

Next:
- JavaFX 2.0: FileChooser, set initial directory from last directory

Related:
- Save file with JavaFX FileChooser
- Read text file with JavaFX FileChooser
- Use JavaFX FileChooser to open image file, and display on ImageView
- Simple example of DirectoryChooser