protected void fillPanelFields(boolean sourceField) {
		String selectedDir = openDirDialog();
		if (selectedDir != null) {
			if (sourceField) {
				setSourceDir(selectedDir);
			} else if (!projectPanel.getSourceDir().equals(selectedDir)) {
				setDestinationDir(selectedDir);
			} else {
				MessageDialog.displayMessageDialog(this, "INFORMATION_DIALOG", "DIR_IDENTICAL");
			}
		}
	}