private void initEventLisener() {
		confirmButton.addActionListener(new ActionListener() {
			@Override
			public void actionPerformed(ActionEvent e) {
				File source = new File(fileFrom.getText());
				File target = new File(fileTo.getText());
				if (source.isDirectory() && target.isDirectory()) {
					confirmHandler = new ConfirmHandler(source, target);
					confirmButton.setEnabled(false);
					cancelButton.setEnabled(true);

				}
			}
		});

		cancelButton.addActionListener(new ActionListener() {
			@Override
			public void actionPerformed(ActionEvent e) {
				if (confirmHandler != null && !confirmHandler.isInterrupted()) {
					confirmHandler.setInterrupted(true);
					confirmHandler = null;
				}
				confirmButton.setEnabled(true);
				cancelButton.setEnabled(false);
			}
		});

	}