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A Swing ActionListener that opens a JFileChooser and returns the selected file

/ Published in: Java
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A Swing ActionListener that opens a JFileChooser and returns the selected file.

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  1. /** This action creates and shows a modal save-file dialog. */
  2. public abstract static class FileAction extends AbstractAction {
  3.  
  4. 	private final JFileChooser chooser = new JFileChooser();
  5. 	private final JPanel parent;
  6.  
  7. 	FileAction(JPanel parent) {
  8. 		this.parent = parent;
  9. 	}
  10.  
  11. 	@Override public void actionPerformed(ActionEvent evt) {
  12. 		// Show dialog; won't return until dialog is closed:
  13. 		chooser.showSaveDialog(parent);
  14.  
  15. 		// Get the selected file
  16. 		File file = chooser.getSelectedFile();
  17. 		if (file != null) {
  18. 			handleFile(file);
  19. 		}
  20. 	}
  21.  
  22. 	public abstract void handleFile(File file);
  23. }
  24.  
  25. ...
  26.  
  27. myButton.addActionListener(new FileAction(getMainPanel()) {
  28. 	@Override public void handleFile(File file) {
  29. 		// do whatever you want with the file...
  30. 	}
  31. });

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