|
|
/****************************************************************************
|
|
|
**
|
|
|
** Copyright (C) 2012 Digia Plc
|
|
|
** All rights reserved.
|
|
|
** For any questions to Digia, please use contact form at http://qt.digia.com
|
|
|
**
|
|
|
** This file is part of the Qt Commercial Charts Add-on.
|
|
|
**
|
|
|
** $QT_BEGIN_LICENSE$
|
|
|
** Licensees holding valid Qt Commercial licenses may use this file in
|
|
|
** accordance with the Qt Commercial License Agreement provided with the
|
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
|
** a written agreement between you and Digia.
|
|
|
**
|
|
|
** If you have questions regarding the use of this file, please use
|
|
|
** contact form at http://qt.digia.com
|
|
|
** $QT_END_LICENSE$
|
|
|
**
|
|
|
****************************************************************************/
|
|
|
|
|
|
#include <limits.h>
|
|
|
#include <QVector>
|
|
|
#include <QDebug>
|
|
|
#include "barchartmodel_p.h"
|
|
|
#include "qbarset.h"
|
|
|
|
|
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
|
|
|
|
BarChartModel::BarChartModel(QStringList categories, QObject *parent) : QObject(parent),
|
|
|
m_category(categories)
|
|
|
{
|
|
|
}
|
|
|
|
|
|
QStringList BarChartModel::category()
|
|
|
{
|
|
|
return m_category;
|
|
|
}
|
|
|
|
|
|
void BarChartModel::appendBarSet(QBarSet *set)
|
|
|
{
|
|
|
m_dataModel.append(set);
|
|
|
}
|
|
|
|
|
|
void BarChartModel::removeBarSet(QBarSet *set)
|
|
|
{
|
|
|
if (m_dataModel.contains(set)) {
|
|
|
m_dataModel.removeOne(set);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void BarChartModel::insertBarSet(int i, QBarSet *set)
|
|
|
{
|
|
|
m_dataModel.insert(i, set);
|
|
|
}
|
|
|
|
|
|
void BarChartModel::insertCategory(int i, QString category)
|
|
|
{
|
|
|
m_category.insert(i, category);
|
|
|
}
|
|
|
|
|
|
void BarChartModel::removeCategory(int i)
|
|
|
{
|
|
|
m_category.removeAt(i);
|
|
|
}
|
|
|
|
|
|
QBarSet* BarChartModel::barsetAt(int index) const
|
|
|
{
|
|
|
return m_dataModel.at(index);
|
|
|
}
|
|
|
|
|
|
QList<QBarSet*> BarChartModel::barSets() const
|
|
|
{
|
|
|
return m_dataModel;
|
|
|
}
|
|
|
|
|
|
int BarChartModel::barsetCount() const
|
|
|
{
|
|
|
return m_dataModel.count();
|
|
|
}
|
|
|
|
|
|
int BarChartModel::categoryCount() const
|
|
|
{
|
|
|
return m_category.count();
|
|
|
}
|
|
|
|
|
|
qreal BarChartModel::min() const
|
|
|
{
|
|
|
Q_ASSERT(m_dataModel.count() > 0);
|
|
|
// TODO: make min and max members and update them when data changes.
|
|
|
// This is slower since they are checked every time, even if data is same since previous call.
|
|
|
qreal min = INT_MAX;
|
|
|
|
|
|
for (int i = 0; i < m_dataModel.count(); i++) {
|
|
|
int itemCount = m_dataModel.at(i)->count();
|
|
|
for (int j = 0; j < itemCount; j++) {
|
|
|
qreal temp = m_dataModel.at(i)->valueAt(j);
|
|
|
if (temp < min)
|
|
|
min = temp;
|
|
|
}
|
|
|
}
|
|
|
return min;
|
|
|
}
|
|
|
|
|
|
qreal BarChartModel::max() const
|
|
|
{
|
|
|
Q_ASSERT(m_dataModel.count() > 0);
|
|
|
|
|
|
// TODO: make min and max members and update them when data changes.
|
|
|
// This is slower since they are checked every time, even if data is same since previous call.
|
|
|
qreal max = INT_MIN;
|
|
|
|
|
|
for (int i = 0; i < m_dataModel.count(); i++) {
|
|
|
int itemCount = m_dataModel.at(i)->count();
|
|
|
for (int j = 0; j < itemCount; j++) {
|
|
|
qreal temp = m_dataModel.at(i)->valueAt(j);
|
|
|
if (temp > max)
|
|
|
max = temp;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
return max;
|
|
|
}
|
|
|
|
|
|
qreal BarChartModel::valueAt(int set, int category) const
|
|
|
{
|
|
|
if ((set < 0) || (set >= m_dataModel.count())) {
|
|
|
// No set, no value.
|
|
|
return 0;
|
|
|
} else if ((category < 0) || (category >= m_dataModel.at(set)->count())) {
|
|
|
// No category, no value.
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
return m_dataModel.at(set)->valueAt(category);
|
|
|
}
|
|
|
|
|
|
qreal BarChartModel::percentageAt(int set, int category) const
|
|
|
{
|
|
|
if ((set < 0) || (set >= m_dataModel.count())) {
|
|
|
// No set, no value.
|
|
|
return 0;
|
|
|
} else if ((category < 0) || (category >= m_dataModel.at(set)->count())) {
|
|
|
// No category, no value.
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
qreal value = m_dataModel.at(set)->valueAt(category);
|
|
|
qreal total = categorySum(category);
|
|
|
if ( qFuzzyCompare(total, 0) )
|
|
|
return 0;
|
|
|
|
|
|
return value / total;
|
|
|
}
|
|
|
|
|
|
qreal BarChartModel::categorySum(int category) const
|
|
|
{
|
|
|
qreal sum(0);
|
|
|
int count = m_dataModel.count(); // Count sets
|
|
|
|
|
|
for (int set = 0; set < count; set++) {
|
|
|
if (category < m_dataModel.at(set)->count())
|
|
|
sum += m_dataModel.at(set)->valueAt(category);
|
|
|
}
|
|
|
return sum;
|
|
|
}
|
|
|
|
|
|
qreal BarChartModel::absoluteCategorySum(int category) const
|
|
|
{
|
|
|
qreal sum(0);
|
|
|
int count = m_dataModel.count(); // Count sets
|
|
|
|
|
|
for (int set = 0; set < count; set++) {
|
|
|
if (category < m_dataModel.at(set)->count())
|
|
|
sum += qAbs(m_dataModel.at(set)->valueAt(category));
|
|
|
}
|
|
|
return sum;
|
|
|
}
|
|
|
|
|
|
qreal BarChartModel::maxCategorySum() const
|
|
|
{
|
|
|
qreal max = INT_MIN;
|
|
|
int count = categoryCount();
|
|
|
|
|
|
for (int col = 0; col < count; col++) {
|
|
|
qreal sum = categorySum(col);
|
|
|
if (sum > max)
|
|
|
max = sum;
|
|
|
}
|
|
|
return max;
|
|
|
}
|
|
|
|
|
|
QString BarChartModel::categoryName(int category)
|
|
|
{
|
|
|
return m_category.at(category);
|
|
|
}
|
|
|
|
|
|
#include "moc_barchartmodel_p.cpp"
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
