/*
Copyright (C) 2012, University of Cambridge, Department of Psychiatry.
Created by Rudolf Cardinal (rnc1001@cam.ac.uk).
This file is part of CamCOPS.
CamCOPS is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
CamCOPS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with CamCOPS. If not, see <https://www.gnu.org/licenses/>.
*/
#include "mfi20.h"
#include "common/textconst.h"
#include "maths/mathfunc.h"
#include "lib/stringfunc.h"
#include "lib/uifunc.h"
#include "questionnairelib/questionnaire.h"
#include "questionnairelib/qumcqgrid.h"
#include "questionnairelib/qutext.h"
#include "tasklib/taskfactory.h"
#include "tasklib/taskregistrar.h"
using mathfunc::anyNull;
using mathfunc::sumInt;
using mathfunc::scorePhrase;
using mathfunc::totalScorePhrase;
using stringfunc::strnum;
using stringfunc::strnumlist;
using stringfunc::strseq;
const int FIRST_Q = 1;
const int N_QUESTIONS = 20;
const int MIN_SCORE_PER_Q = 1;
const int MAX_SCORE_PER_Q = 5;
const int MIN_QUESTION_SCORE = MIN_SCORE_PER_Q * N_QUESTIONS;
const int MAX_QUESTION_SCORE = MAX_SCORE_PER_Q * N_QUESTIONS;
const int N_Q_PER_SUBSCALE = 4; // always
const int MIN_SUBSCALE = MIN_SCORE_PER_Q * N_Q_PER_SUBSCALE;
const int MAX_SUBSCALE = MAX_SCORE_PER_Q * N_Q_PER_SUBSCALE;
const QString QPREFIX("q");
const QStringList REVERSE_QUESTIONS = strnumlist(
QPREFIX, {2, 5, 9, 10, 13, 14, 16, 17, 18, 19});
const QVector<int> GENERAL_FATIGUE_QUESTIONS{1, 5, 12, 16};
const QVector<int> PHYSICAL_FATIGUE_QUESTIONS{2, 8, 14, 20};
const QVector<int> REDUCED_ACTIVITY_QUESTIONS{3, 6, 10, 17};
const QVector<int> REDUCED_MOTIVATION_QUESTIONS{4, 9, 15, 18};
const QVector<int> MENTAL_FATIGUE_QUESTIONS{7, 11, 13, 19};
const QString Mfi20::MFI20_TABLENAME("mfi20");
void initializeMfi20(TaskFactory& factory)
{
static TaskRegistrar<Mfi20> registered(factory);
}
Mfi20::Mfi20(CamcopsApp& app, DatabaseManager& db, const int load_pk) :
Task(app, db, MFI20_TABLENAME, false, false, false), // ... anon, clin, resp
m_questionnaire(nullptr)
{
addFields(strseq(QPREFIX, FIRST_Q, N_QUESTIONS), QMetaType::fromType<int>());
load(load_pk); // MUST ALWAYS CALL from derived Task constructor.
}
// ============================================================================
// Class info
// ============================================================================
QString Mfi20::shortname() const
{
return "MFI-20";
}
QString Mfi20::longname() const
{
return tr("Multidimensional Fatigue Inventory");
}
QString Mfi20::description() const
{
return tr("A 20-item self-report instrument designed to measure fatigue.");
}
QStringList Mfi20::fieldNames() const
{
return strseq(QPREFIX, FIRST_Q, N_QUESTIONS);
}
// ============================================================================
// Instance info
// ============================================================================
bool Mfi20::isComplete() const
{
if (anyNull(values(fieldNames()))) {
return false;
}
return true;
}
QVector<QVariant> Mfi20::normalizeValues(const QStringList& fieldnames) const
{
QVector<QVariant> values;
for (const QString& fieldname : fieldnames) {
QVariant normalized_value = value(fieldname);
if (!normalized_value.isNull()) {
if (REVERSE_QUESTIONS.contains(fieldname)) {
normalized_value = MAX_SCORE_PER_Q + 1 - normalized_value.toInt();
}
}
values.append(normalized_value);
}
return values;
}
int Mfi20::totalScore() const
{
return sumInt(normalizeValues(fieldNames()));
}
int Mfi20::generalFatigue() const
{
return sumInt(normalizeValues(strnumlist(QPREFIX, GENERAL_FATIGUE_QUESTIONS)));
}
int Mfi20::physicalFatigue() const
{
return sumInt(normalizeValues(strnumlist(QPREFIX, PHYSICAL_FATIGUE_QUESTIONS)));
}
int Mfi20::reducedActivity() const
{
return sumInt(normalizeValues(strnumlist(QPREFIX, REDUCED_ACTIVITY_QUESTIONS)));
}
int Mfi20::reducedMotivation() const
{
return sumInt(normalizeValues(strnumlist(QPREFIX, REDUCED_MOTIVATION_QUESTIONS)));
}
int Mfi20::mentalFatigue() const
{
return sumInt(normalizeValues(strnumlist(QPREFIX, MENTAL_FATIGUE_QUESTIONS)));
}
QStringList Mfi20::summary() const
{
auto rangeScore = [](const QString& description, const int score,
const int min, const int max) {
return QString("%1: <b>%2</b> [%3–%4].").arg(
description,
QString::number(score),
QString::number(min),
QString::number(max));
};
return QStringList{
rangeScore(TextConst::totalScore(), totalScore(),
MIN_QUESTION_SCORE, MAX_QUESTION_SCORE),
rangeScore(xstring("general_fatigue"), generalFatigue(),
MIN_SUBSCALE, MAX_SUBSCALE),
rangeScore(xstring("physical_fatigue"), physicalFatigue(),
MIN_SUBSCALE, MAX_SUBSCALE),
rangeScore(xstring("reduced_activity"), reducedActivity(),
MIN_SUBSCALE, MAX_SUBSCALE),
rangeScore(xstring("reduced_motivation"), reducedMotivation(),
MIN_SUBSCALE, MAX_SUBSCALE),
rangeScore(xstring("mental_fatigue"), mentalFatigue(),
MIN_SUBSCALE, MAX_SUBSCALE),
};
}
QStringList Mfi20::detail() const
{
QStringList lines = completenessInfo();
const QString spacer = " ";
const QString suffix = "";
lines += fieldSummaries("q", suffix, spacer, QPREFIX, FIRST_Q, N_QUESTIONS);
lines.append("");
lines += summary();
return lines;
}
OpenableWidget* Mfi20::editor(const bool read_only)
{
const NameValueOptions agreement_options{
{xstring("a0"), 1},
{xstring("a1"), 2},
{xstring("a2"), 3},
{xstring("a3"), 4},
{xstring("a4"), 5},
};
QVector<QuestionWithOneField> q_field_pairs;
for (const QString& fieldname : fieldNames()) {
const QString& description = xstring(fieldname);
q_field_pairs.append(QuestionWithOneField(description,
fieldRef(fieldname)));
}
auto grid = new QuMcqGrid(q_field_pairs, agreement_options);
const int question_width = 4;
const QVector<int> option_widths = {1, 1, 1, 1, 1};
grid->setWidth(question_width, option_widths);
// Repeat options every five lines
QVector<McqGridSubtitle> subtitles{
{5, ""},
{10, ""},
{15, ""},
};
grid->setSubtitles(subtitles);
QuPagePtr page((new QuPage{
new QuText(xstring("instructions")),
grid
})->setTitle(xstring("title_main")));
m_questionnaire = new Questionnaire(m_app, {page});
m_questionnaire->setType(QuPage::PageType::Patient);
m_questionnaire->setReadOnly(read_only);
return m_questionnaire;
}