JavaFX 2.0 - FileChooser.showOpenMultipleDialog() and display the returned files in a ListView.

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package javafx_filechooser;

import java.io.File;
import java.util.List;
import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
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.control.ListView;
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;
   ListView<String> listView;
   ObservableList<String> list;
   List<File> fileList;

   /**
    * @param args the command line arguments
    */
   public static void main(String[] args) {
       launch(args);
   }
  
   @Override
   public void start(final Stage primaryStage) {
       primaryStage.setTitle("Hello World!");
      
       listView = new ListView<>();
       list =FXCollections.observableArrayList ();
      
       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();
              
               //Open directory from existing directory
               if( fileList != null ){
                   if( !fileList.isEmpty() ){
                       File existDirectory = fileList.get(0).getParentFile();
                       fileChooser.setInitialDirectory(existDirectory);
                   }
               }
             
               //Set extension filter
               FileChooser.ExtensionFilter extFilter = new FileChooser.ExtensionFilter("AVI files (*.avi)", "*.avi");
               fileChooser.getExtensionFilters().add(extFilter);
              
               //Show open file dialog, with primaryStage blocked.
              
               fileList = fileChooser.showOpenMultipleDialog(primaryStage);
              
               list.clear();
               for(int i=0; i<fileList.size(); i++){
                   list.add(fileList.get(i).getPath());
               }
              
               listView.setItems(list);
              
           }
       });
      
       VBox vBox = new VBox();
       vBox.getChildren().addAll(labelFile, btn);
      
       vBox.getChildren().add(listView);
      
       StackPane root = new StackPane();
       root.getChildren().add(vBox);
       primaryStage.setScene(new Scene(root, 300, 250));
       primaryStage.show();
   }
}

Related article:
- Use FileChooser.showOpenDialog() to open single file.
- Read text file with JavaFX FileChooser