theBox.add(Box.createHorizontalStrut(this.INPUT_BOX_MARGIN_BETWEEN_TEXT_FIELD_AND_BUTTON));
if (theButton != null) {
theBox.add(theButton);
theBox.add(Box.createHorizontalStrut(this.INPUT_BOX_MARGIN_BETWEEN_LABEL_AND_TEXT_FIELD));
theButton.addActionListener(new SelectButtonActionListener(theTextField));
}
this.setFilePathTextFieldList().add(theTextField);
return theBox;
}