|
|
/****************************************************************************
|
|
|
**
|
|
|
** 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 "engine.h"
|
|
|
#include <QItemSelectionModel>
|
|
|
#include <QStandardItemModel>
|
|
|
#include <QLineSeries>
|
|
|
#include <QSplineSeries>
|
|
|
#include <QScatterSeries>
|
|
|
#include <QBarSeries>
|
|
|
#include <QPercentBarSeries>
|
|
|
#include <QStackedBarSeries>
|
|
|
#include <QAreaSeries>
|
|
|
#include <QPieSeries>
|
|
|
#include <QChart>
|
|
|
#include <QBarSet>
|
|
|
|
|
|
const qint32 MAGIC_NUMBER = 0x66666666;
|
|
|
|
|
|
Engine::Engine(QObject* parent) :
|
|
|
QObject(parent), m_count(10), m_chart(new QChart()), m_model(0), m_selection(0)
|
|
|
{
|
|
|
createModels();
|
|
|
}
|
|
|
|
|
|
Engine::~Engine()
|
|
|
{
|
|
|
delete m_chart;
|
|
|
delete m_selection;
|
|
|
delete m_model;
|
|
|
|
|
|
}
|
|
|
|
|
|
void Engine::createModels()
|
|
|
{
|
|
|
m_model = new QStandardItemModel(m_count, m_count);
|
|
|
m_model->setHorizontalHeaderLabels(
|
|
|
QStringList() << "A" << "B" << "C" << "D" << "E" << "F" << "G" << "H" << "I" << "J");
|
|
|
m_model->setVerticalHeaderLabels(
|
|
|
QStringList() << "1" << "2" << "3" << "4" << "5" << "6" << "7" << "8" << "9" << "10");
|
|
|
m_selection = new QItemSelectionModel(m_model);
|
|
|
|
|
|
}
|
|
|
|
|
|
QList<QAbstractSeries*> Engine::addSeries(QAbstractSeries::SeriesType type)
|
|
|
{
|
|
|
const QModelIndexList& list = m_selection->selectedIndexes();
|
|
|
|
|
|
QMap<int, QModelIndex> columns;
|
|
|
|
|
|
foreach(const QModelIndex& index, list) {
|
|
|
columns.insertMulti(index.column(), index);
|
|
|
}
|
|
|
|
|
|
QList<int> keys = columns.uniqueKeys();
|
|
|
|
|
|
QModelIndexList rows = columns.values(keys.first());
|
|
|
|
|
|
int minRow = m_count + 1;
|
|
|
int maxRow = -1;
|
|
|
|
|
|
foreach(const QModelIndex& index, rows) {
|
|
|
minRow = qMin(index.row(), minRow);
|
|
|
maxRow = qMax(index.row(), maxRow);
|
|
|
}
|
|
|
|
|
|
QList<QAbstractSeries*> result;
|
|
|
QColor color;
|
|
|
|
|
|
switch (type) {
|
|
|
|
|
|
case QAbstractSeries::SeriesTypeLine:
|
|
|
{
|
|
|
for (int i = 1; i < keys.count(); ++i) {
|
|
|
QLineSeries *line = new QLineSeries();
|
|
|
setupXYSeries(line, keys, i, minRow, maxRow);
|
|
|
result << line;
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
case QAbstractSeries::SeriesTypeSpline:
|
|
|
{
|
|
|
for (int i = 1; i < keys.count(); ++i) {
|
|
|
QSplineSeries *line = new QSplineSeries();
|
|
|
setupXYSeries(line, keys, i, minRow, maxRow);
|
|
|
result << line;
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
case QAbstractSeries::SeriesTypeScatter:
|
|
|
{
|
|
|
for (int i = 1; i < keys.count(); ++i) {
|
|
|
QScatterSeries *line = new QScatterSeries();
|
|
|
setupXYSeries(line, keys, i, minRow, maxRow);
|
|
|
result << line;
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
case QAbstractSeries::SeriesTypeBar:
|
|
|
{
|
|
|
//TODO: fix me
|
|
|
QBarSeries *bar = new QBarSeries(QBarCategories() << "temp");
|
|
|
setupBarSeries(bar,keys,minRow,maxRow);
|
|
|
result << bar;
|
|
|
break;
|
|
|
}
|
|
|
case QAbstractSeries::SeriesTypePercentBar:
|
|
|
{
|
|
|
QPercentBarSeries *bar = new QPercentBarSeries(QBarCategories() << "temp");
|
|
|
setupBarSeries(bar,keys,minRow,maxRow);
|
|
|
result << bar;
|
|
|
break;
|
|
|
}
|
|
|
case QAbstractSeries::SeriesTypeStackedBar:
|
|
|
{
|
|
|
QStackedBarSeries *bar = new QStackedBarSeries(QBarCategories() << "temp");
|
|
|
setupBarSeries(bar,keys,minRow,maxRow);
|
|
|
result << bar;
|
|
|
break;
|
|
|
}
|
|
|
case QAbstractSeries::SeriesTypePie:
|
|
|
{
|
|
|
|
|
|
QPieSeries *pie = new QPieSeries();
|
|
|
setupPieSeries(pie,keys,minRow,maxRow);
|
|
|
result << pie;
|
|
|
break;
|
|
|
}
|
|
|
case QAbstractSeries::SeriesTypeArea:
|
|
|
{
|
|
|
QAreaSeries *area = new QAreaSeries( new QLineSeries(), new QLineSeries());
|
|
|
setupAreaSeries(area,keys,minRow,maxRow);
|
|
|
result << area;
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
return result;
|
|
|
}
|
|
|
|
|
|
void Engine::removeSeries(QAbstractSeries* series)
|
|
|
{
|
|
|
m_chart->removeSeries(series);
|
|
|
|
|
|
foreach(const QModelIndex& index, m_seriesModelIndex.value(series)) {
|
|
|
m_model->setData(index, Qt::white, Qt::BackgroundRole);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void Engine::clearModels()
|
|
|
{
|
|
|
delete m_selection;
|
|
|
m_selection = 0;
|
|
|
delete m_model;
|
|
|
m_model = 0;
|
|
|
createModels();
|
|
|
}
|
|
|
|
|
|
bool Engine::save(const QString &filename) const
|
|
|
{
|
|
|
if (filename.isEmpty())
|
|
|
return false;
|
|
|
|
|
|
QFile file(filename);
|
|
|
|
|
|
if (!file.open(QIODevice::WriteOnly)) {
|
|
|
return false;
|
|
|
}
|
|
|
|
|
|
QDataStream out(&file);
|
|
|
out << MAGIC_NUMBER;
|
|
|
out.setVersion(QDataStream::Qt_4_8);
|
|
|
out << m_model->rowCount();
|
|
|
out << m_model->columnCount();
|
|
|
|
|
|
for (int row = 0; row < m_model->rowCount(); ++row) {
|
|
|
for (int column = 0; column < m_model->columnCount(); ++column) {
|
|
|
QStandardItem *item = m_model->item(row, column);
|
|
|
if (item) {
|
|
|
out << row;
|
|
|
out << column;
|
|
|
out << item->data(Qt::EditRole).toString();
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
return true;
|
|
|
}
|
|
|
|
|
|
bool Engine::load(const QString &filename)
|
|
|
{
|
|
|
clearModels();
|
|
|
|
|
|
if (filename.isEmpty())
|
|
|
return false;
|
|
|
|
|
|
QFile file(filename);
|
|
|
|
|
|
if (!file.open(QIODevice::ReadOnly)) {
|
|
|
return false;
|
|
|
}
|
|
|
|
|
|
QDataStream in(&file);
|
|
|
|
|
|
qint32 magicNumber;
|
|
|
in >> magicNumber;
|
|
|
|
|
|
if (magicNumber != MAGIC_NUMBER)
|
|
|
return false;
|
|
|
|
|
|
in.setVersion(QDataStream::Qt_4_8);
|
|
|
|
|
|
int rowCount;
|
|
|
in >> rowCount;
|
|
|
|
|
|
int columnCount;
|
|
|
in >> columnCount;
|
|
|
|
|
|
while (!in.atEnd()) {
|
|
|
int row;
|
|
|
int column;
|
|
|
QString value;
|
|
|
in >> row >> column >> value;
|
|
|
QStandardItem *item = new QStandardItem();
|
|
|
bool ok;
|
|
|
double result = value.toDouble(&ok);
|
|
|
if(ok)
|
|
|
item->setData(result, Qt::EditRole);
|
|
|
else
|
|
|
item->setData(value, Qt::EditRole);
|
|
|
m_model->setItem(row, column, item);
|
|
|
}
|
|
|
|
|
|
return true;
|
|
|
}
|
|
|
|
|
|
void Engine::setupXYSeries(QXYSeries *xyseries, const QList<int>& columns, int column, int minRow, int maxRow)
|
|
|
{
|
|
|
xyseries->setModel(m_model);
|
|
|
xyseries->setModelMapping(columns.first(), columns.at(column), Qt::Vertical);
|
|
|
xyseries->setModelMappingRange(minRow, maxRow - minRow + 1);
|
|
|
m_chart->addSeries(xyseries);
|
|
|
xyseries->setName(QString("Series %1").arg(m_chart->series().count()));
|
|
|
QObject::connect(xyseries,SIGNAL(clicked(const QPointF&)),this,SIGNAL(selected()));
|
|
|
const QModelIndexList& list = m_selection->selectedIndexes();
|
|
|
QModelIndexList result;
|
|
|
foreach(const QModelIndex& index, list) {
|
|
|
if (index.column() ==columns.at(column)){
|
|
|
m_model->setData(index, xyseries->pen().color(), Qt::BackgroundRole);
|
|
|
result << index;
|
|
|
}
|
|
|
}
|
|
|
m_seriesModelIndex.insert(xyseries,result);
|
|
|
}
|
|
|
|
|
|
void Engine::setupBarSeries(QBarSeries *bar, const QList<int>& columns, int minRow, int maxRow)
|
|
|
{
|
|
|
bar->setModel(m_model);
|
|
|
bar->setModelMapping(columns.first(), columns.at(1), columns.last(), Qt::Vertical);
|
|
|
bar->setModelMappingRange(minRow, maxRow - minRow + 1);
|
|
|
m_chart->addSeries(bar);
|
|
|
bar->setName(QString("Series %1").arg(m_chart->series().count()));
|
|
|
|
|
|
const QModelIndexList& list = m_selection->selectedIndexes();
|
|
|
foreach(const QModelIndex& index, list) {
|
|
|
if (index.column() >= columns.at(1) && index.column()<= columns.last()) {
|
|
|
//m_model->setData(index, bar->barSets().at(index.column())->brush().color(), Qt::BackgroundRole);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void Engine::setupPieSeries(QPieSeries *pie, const QList<int>& columns, int minRow, int maxRow)
|
|
|
{
|
|
|
pie->setModel(m_model);
|
|
|
pie->setModelMapping(columns.at(1),columns.first() ,Qt::Vertical);
|
|
|
pie->setModelMappingRange(minRow, maxRow - minRow + 1);
|
|
|
m_chart->addSeries(pie);
|
|
|
pie->setName(QString("Series %1").arg(m_chart->series().count()));
|
|
|
|
|
|
const QModelIndexList& list = m_selection->selectedIndexes();
|
|
|
foreach(const QModelIndex& index, list) {
|
|
|
// m_model->setData(index, bar->barSets()pen().color(), Qt::BackgroundRole);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void Engine::setupAreaSeries(QAreaSeries *series, const QList<int>& columns, int minRow, int maxRow)
|
|
|
{
|
|
|
series->lowerSeries()->setModel(m_model);
|
|
|
series->upperSeries()->setModel(m_model);
|
|
|
series->upperSeries()->setModelMapping(columns.first(), columns.at(1), Qt::Vertical);
|
|
|
series->lowerSeries()->setModelMapping(columns.first(), columns.at(2), Qt::Vertical);
|
|
|
series->upperSeries()->setModelMappingRange(minRow, maxRow - minRow + 1);
|
|
|
series->lowerSeries()->setModelMappingRange(minRow, maxRow - minRow + 1);
|
|
|
m_chart->addSeries(series);
|
|
|
series->setName(QString("Series %1").arg(m_chart->series().count()));
|
|
|
|
|
|
const QModelIndexList& list = m_selection->selectedIndexes();
|
|
|
foreach(const QModelIndex& index, list) {
|
|
|
//if (index.column() ==columns.at(column))
|
|
|
// m_model->setData(index, xyseries->pen().color(), Qt::BackgroundRole);
|
|
|
}
|
|
|
}
|
|
|
|
