##// END OF EJS Templates
HG_REPOSITORIES » LPP » INSTRUMENTATION » USERS » JEANDET » qtcharts
RSS

Clone from http://code.qt.io/qt/qtcharts.git

Removed some commented out code in barmodel mapper and replaced one comment with different one
Removed some commented out code in barmodel mapper and replaced one comment with different one
Jani Honkonen - - Load All Authors

File last commit:

r2110:a93a773ef512
r2151:cdaf9997827b
Show More
engine.cpp
344 lines | 9.8 KiB | text/x-c | CppLexer
/ tests / chartdesigner / engine.cpp
History | Source | Raw |Copy content |Copy permalink
Michal Klocek
chartdesigner draft, pushed before beging away
 r1126 /****************************************************************************
**
** 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>
Michal Klocek
Adds scrollchart, fixes chartdesigner
 r1722 #include <QVXYModelMapper>
#include <QHBarModelMapper>
#include <QVPieModelMapper>
Michal Klocek
chartdesigner draft, pushed before beging away
 r1126 #include <QLineSeries>
#include <QSplineSeries>
#include <QScatterSeries>
#include <QBarSeries>
#include <QPercentBarSeries>
#include <QStackedBarSeries>
#include <QAreaSeries>
#include <QPieSeries>
#include <QChart>
#include <QBarSet>
Michal Klocek
Fix compilation issue of chartdesigner
 r1199
Michal Klocek
chartdesigner draft, pushed before beging away
 r1126 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;
Jani Honkonen
coding style: foreach whitespace fix
 r2100 foreach (const QModelIndex& index, list) {
Michal Klocek
chartdesigner draft, pushed before beging away
 r1126 columns.insertMulti(index.column(), index);
}
QList<int> keys = columns.uniqueKeys();
QModelIndexList rows = columns.values(keys.first());
int minRow = m_count + 1;
int maxRow = -1;
Jani Honkonen
coding style: foreach whitespace fix
 r2100 foreach (const QModelIndex& index, rows) {
Michal Klocek
chartdesigner draft, pushed before beging away
 r1126 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
Michal Klocek
Fix compilation issue of chartdesigner
 r1199 QBarSeries *bar = new QBarSeries();
Michal Klocek
chartdesigner draft, pushed before beging away
 r1126 setupBarSeries(bar,keys,minRow,maxRow);
result << bar;
break;
}
case QAbstractSeries::SeriesTypePercentBar:
{
Michal Klocek
Fix compilation issue of chartdesigner
 r1199 QPercentBarSeries *bar = new QPercentBarSeries();
Michal Klocek
chartdesigner draft, pushed before beging away
 r1126 setupBarSeries(bar,keys,minRow,maxRow);
result << bar;
break;
}
case QAbstractSeries::SeriesTypeStackedBar:
{
Michal Klocek
Fix compilation issue of chartdesigner
 r1199 QStackedBarSeries *bar = new QStackedBarSeries();
Michal Klocek
chartdesigner draft, pushed before beging away
 r1126 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;
}
}
Michal Klocek
Adds scrollchart, fixes chartdesigner
 r1722
m_chart->createDefaultAxes();
Michal Klocek
chartdesigner draft, pushed before beging away
 r1126 return result;
}
void Engine::removeSeries(QAbstractSeries* series)
{
m_chart->removeSeries(series);
Jani Honkonen
coding style: foreach whitespace fix
 r2100 foreach (const QModelIndex& index, m_seriesModelIndex.value(series)) {
Michal Klocek
chartdesigner draft, pushed before beging away
 r1126 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)
{
Michal Klocek
Adds scrollchart, fixes chartdesigner
 r1722 QVXYModelMapper* mapper = new QVXYModelMapper(xyseries);
mapper->setSeries(xyseries);
mapper->setModel(m_model);
mapper->setXColumn(columns.first());
mapper->setYColumn(columns.at(column));
mapper->setFirstRow(minRow);
mapper->setRowCount(maxRow - minRow + 1);
Michal Klocek
chartdesigner draft, pushed before beging away
 r1126 m_chart->addSeries(xyseries);
xyseries->setName(QString("Series %1").arg(m_chart->series().count()));
Jani Honkonen
normalize signal/slot signatures
 r2110 QObject::connect(xyseries,SIGNAL(clicked(QPointF)),this,SIGNAL(selected()));
Michal Klocek
chartdesigner draft, pushed before beging away
 r1126 const QModelIndexList& list = m_selection->selectedIndexes();
QModelIndexList result;
Jani Honkonen
coding style: foreach whitespace fix
 r2100 foreach (const QModelIndex& index, list) {
Michal Klocek
chartdesigner draft, pushed before beging away
 r1126 if (index.column() ==columns.at(column)){
m_model->setData(index, xyseries->pen().color(), Qt::BackgroundRole);
result << index;
}
}
m_seriesModelIndex.insert(xyseries,result);
}
Michal Klocek
Adds scrollchart, fixes chartdesigner
 r1722 void Engine::setupBarSeries(QAbstractBarSeries *bar, const QList<int>& columns, int minRow, int maxRow)
Michal Klocek
chartdesigner draft, pushed before beging away
 r1126 {
Michal Klocek
Adds scrollchart, fixes chartdesigner
 r1722 QHBarModelMapper* mapper = new QHBarModelMapper(bar);
mapper->setSeries(bar);
mapper->setModel(m_model);
mapper->setFirstColumn(minRow);
mapper->setColumnCount(maxRow - minRow + 1);
mapper->setFirstBarSetRow(columns.at(1));
mapper->setLastBarSetRow(columns.last());
Michal Klocek
chartdesigner draft, pushed before beging away
 r1126 m_chart->addSeries(bar);
bar->setName(QString("Series %1").arg(m_chart->series().count()));
const QModelIndexList& list = m_selection->selectedIndexes();
Jani Honkonen
coding style: foreach whitespace fix
 r2100 foreach (const QModelIndex& index, list) {
Michal Klocek
chartdesigner draft, pushed before beging away
 r1126 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)
{
Michal Klocek
Adds scrollchart, fixes chartdesigner
 r1722 QVPieModelMapper* mapper = new QVPieModelMapper(pie);
mapper->setSeries(pie);
mapper->setModel(m_model);
mapper->setValuesColumn(columns.at(1));
mapper->setLabelsColumn(columns.first());
mapper->setFirstRow(minRow);
mapper->setRowCount(maxRow - minRow + 1);
Michal Klocek
chartdesigner draft, pushed before beging away
 r1126 m_chart->addSeries(pie);
pie->setName(QString("Series %1").arg(m_chart->series().count()));
const QModelIndexList& list = m_selection->selectedIndexes();
Jani Honkonen
coding style: foreach whitespace fix
 r2100 foreach (const QModelIndex& index, list) {
Michal Klocek
chartdesigner draft, pushed before beging away
 r1126 // m_model->setData(index, bar->barSets()pen().color(), Qt::BackgroundRole);
}
}
void Engine::setupAreaSeries(QAreaSeries *series, const QList<int>& columns, int minRow, int maxRow)
{
Michal Klocek
Adds scrollchart, fixes chartdesigner
 r1722 QVXYModelMapper* umapper = new QVXYModelMapper(series);
umapper->setSeries(series->upperSeries());
umapper->setModel(m_model);
umapper->setXColumn(columns.first());
umapper->setYColumn(columns.at(1));
umapper->setFirstRow(minRow);
umapper->setRowCount(maxRow - minRow + 1);
QVXYModelMapper* lmapper = new QVXYModelMapper(series);
lmapper->setSeries(series->lowerSeries());
lmapper->setModel(m_model);
lmapper->setXColumn(columns.first());
lmapper->setYColumn(columns.at(2));
lmapper->setFirstRow(minRow);
lmapper->setRowCount(maxRow - minRow + 1);
Michal Klocek
chartdesigner draft, pushed before beging away
 r1126 m_chart->addSeries(series);
series->setName(QString("Series %1").arg(m_chart->series().count()));
const QModelIndexList& list = m_selection->selectedIndexes();
Jani Honkonen
coding style: foreach whitespace fix
 r2100 foreach (const QModelIndex& index, list) {
Michal Klocek
chartdesigner draft, pushed before beging away
 r1126 //if (index.column() ==columns.at(column))
// m_model->setData(index, xyseries->pen().color(), Qt::BackgroundRole);
}
}