private void verifyInputFileValues() {
        LinkedList<JTextField> fields = new LinkedList<>();
        fields.add(massesTextField);
        fields.add(connectionMapTextField);
        fields.add(trajectoryTextField);
        fields.add(executableTextField);

        if (isExecutionPhase()) {
            fields.add(weightsTextField);
        }

        for (JTextField field : fields) {
            if (isInputFileAccessable(field.getText())) {
                setDefalutBackground(field);
            } else {
                setErrorBackground(field);
            }

        }
    }