afutrainer/dlgexamstatistic.cpp

110 lines
4.9 KiB
C++

/***************************************************************************
* Copyright (C) 2003-2007 by Oliver Saal *
* osaal@gmx.de *
* http://www.oliver-saal.de/software/afutrainer/ *
* *
* This program 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 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#include "dlgexamstatistic.h"
#include "catalog.h"
#include <qmessagebox.h>
#include <qheaderview.h>
CDlgExamStatistic::CDlgExamStatistic(QWidget *pParent) : QDialog(pParent)
{
m_pCatalog = 0;
setupUi(this);
twExamStat->headerItem()->setText(0, "Datum/Uhrzeit");
twExamStat->headerItem()->setText(1, "Ergebnis");
twExamStat->headerItem()->setText(2, "Fehler");
twExamStat->headerItem()->setText(3, "Dauer");
twExamStat->headerItem()->setText(4, "Ø pro Frage");
twExamStat->header()->resizeSection(0, 130);
twExamStat->header()->resizeSection(2, 50);
twExamStat->header()->resizeSection(3, 75);
}
void CDlgExamStatistic::go (CCatalog *pCatalog)
{
m_pCatalog = pCatalog;
if (pCatalog->countExamStat() == 0)
{
QMessageBox::information(parentWidget(), tr("Information"), tr("Es wurden bisher noch keine Prüfungen durchgeführt."));
return;
}
cbExam->clear();
for (int i=0; i<pCatalog->countExam(); i++)
{
cbExam->addItem(pCatalog->examAt(i).name(), pCatalog->examAt(i).id());
}
exec();
}
void CDlgExamStatistic::on_cbExam_currentIndexChanged (int index)
{
QString strExamId = cbExam->itemData(index).toString();
CExam exam = m_pCatalog->examById(strExamId);
unsigned uExamCount=0, uPassedCount=0, uFailedCount=0, uErrorCount=0, uDuration=0, uQuestions=0;
QTreeWidgetItem *pItem=0;
twExamStat->clear();
labExamQCount->setText(QString::number(exam.questionCount()));
labExamTime->setText(QString("%1 min").arg(exam.duration()));
labExamWrong->setText(QString::number(exam.maxErrorPoints()));
for (int i=0; i<m_pCatalog->countExamStat(); i++)
{
CExamStat es = m_pCatalog->examStatAt(i);
if (es.id() != strExamId) continue;
uExamCount++;
if (es.passed()) uPassedCount++; else uFailedCount++;
uErrorCount += es.errorPoints();
uDuration += es.duration();
uQuestions += es.correctAnswers() + es.wrongAnswers();
pItem = new QTreeWidgetItem (twExamStat);
pItem->setText(0, es.datetime().toString(Qt::LocalDate));
pItem->setText(1, es.passed() ? tr("Bestanden") : tr("Nicht bestanden"));
pItem->setText(2, QString::number(es.errorPoints()));
pItem->setTextAlignment(2, Qt::AlignRight);
pItem->setText(3, QString("%1 m %2 s").arg(es.duration() / 60).arg(es.duration() % 60, 2, 10, QChar('0')));
pItem->setTextAlignment(3, Qt::AlignRight);
unsigned uQuestionCount = es.correctAnswers() + es.wrongAnswers();
if (uQuestionCount != 0)
pItem->setText(4, QString("%1 m %2 s").arg(es.duration() / uQuestionCount / 60).arg(es.duration() / uQuestionCount % 60, 2, 10, QChar('0')));
else
pItem->setText(4, "--");
pItem->setTextAlignment(4, Qt::AlignRight);
}
labExamCount->setText(QString::number(uExamCount));
labExamPassed->setText(uExamCount != 0 ? QString::number(uPassedCount) : "--");
labExamFailed->setText(uExamCount != 0 ? QString::number(uFailedCount) : "--");
labExamPassedP->setText(uExamCount != 0 ? QString("%1 %").arg((double)uPassedCount / uExamCount * 100.0, 0, 'f', 1) : "--");
labExamFailedP->setText(uExamCount != 0 ? QString("%1 %").arg((double)uFailedCount / uExamCount * 100.0, 0, 'f', 1) : "--");
labAvgWrong->setText(uExamCount != 0 ? QString::number(uErrorCount / uExamCount) : "--");
labTimeExam->setText(uExamCount != 0 ? QString("%1 m %2 s").arg(uDuration / uExamCount / 60).arg(uDuration / uExamCount % 60, 2, 10, QChar('0')) : "--");
labTimeQuestion->setText(uQuestions != 0 ? QString("%1 m %2 s").arg(uDuration / uQuestions / 60).arg(uDuration / uQuestions % 60, 2, 10, QChar('0')) : "--");
}