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Remove scaledomain ect. warnings from pie. Not going to be implemented (for now at least).
Remove scaledomain ect. warnings from pie. Not going to be implemented (for now at least).
sauimone - - Load All Authors

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r1114:f9dcd91686d2
r1191:6223c1214e9d
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widget.cpp
245 lines | 8.9 KiB | text/x-c | CppLexer
/ test / gdpbarchart / widget.cpp
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Jani Honkonen
Add/modify license headers
 r830 /****************************************************************************
**
** 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
** $QT_END_LICENSE$
**
****************************************************************************/
Marek Rosa
Corrected the path to SQlite data
 r219
Marek Rosa
Initial commit for gdpBarChart example.
 r205 #include "widget.h"
Jani Honkonen
make gdpbarchart compile again
 r826
#include <QChart>
#include <QScatterSeries>
Michal Klocek
Changes QChartAxis -> QAxis
 r1006 #include <QAxis>
Marek Rosa
Fixed the include issue in gdpbarchart demo
 r835 #include <QBarSet>
Jani Honkonen
make gdpbarchart compile again
 r826 #include <QBarSeries>
Marek Rosa
modeldata example documented with explanations....
 r935 #include <QLegend>
Jani Honkonen
make gdpbarchart compile again
 r826
Marek Rosa
Initial commit for gdpBarChart example.
 r205 #include <QGridLayout>
#include <QPushButton>
#include <QLabel>
#include <QListWidget>
Marek Rosa
Added chart printing to pdf
 r244 #include <QPrinter>
#include <QPrintDialog>
Marek Rosa
Added another chart type choice
 r268 #include <QRadioButton>
sauimone
replaced qbarcategory with qstringlist
 r377 #include <QStringList>
Jani Honkonen
make gdpbarchart compile again
 r826 #include <QSqlQuery>
Michal Klocek
Improves build configuration...
 r996 #include <QDebug>
Marek Rosa
Initial commit for gdpBarChart example.
 r205
QTCOMMERCIALCHART_USE_NAMESPACE
Widget::Widget(QWidget *parent)
: QWidget(parent)
Michal Klocek
Compilation fix
 r232 {
Marek Rosa
Copy database to bin directory
 r242 setGeometry(100, 100, 1000, 600);
Marek Rosa
Initial commit for gdpBarChart example.
 r205
// right panel layout
Marek Rosa
Added another chart type choice
 r268 barChartRadioButton = new QRadioButton(tr("Bar chart"));
barChartRadioButton->setChecked(true);
scatterChartRadioButton = new QRadioButton(tr("Scatter chart"));
scatterChartRadioButton->setChecked(false);
Marek Rosa
Initial commit for gdpBarChart example.
 r205 countrieslist = new QListWidget;
countrieslist->setSelectionMode(QAbstractItemView::MultiSelection);
Marek Rosa
Doc update
 r382 //list of years widget
Marek Rosa
Initial commit for gdpBarChart example.
 r205 yearslist = new QListWidget;
yearslist->setSelectionMode(QAbstractItemView::ExtendedSelection);
for (int i = 1990; i < 2011; i++)
yearslist->addItem(QString("%1").arg(i));
QPushButton* refreshButton = new QPushButton(tr("Refresh"));
connect(refreshButton, SIGNAL(clicked()), this, SLOT(refreshChart()));
Marek Rosa
modeldata example documented with explanations....
 r935 QPushButton* printButton = new QPushButton(tr("Print to pdf"));
Marek Rosa
Added chart printing to pdf
 r244 connect(printButton, SIGNAL(clicked()), this, SLOT(printChart()));
Marek Rosa
Initial commit for gdpBarChart example.
 r205 QVBoxLayout* rightPanelLayout = new QVBoxLayout;
Marek Rosa
Added another chart type choice
 r268 rightPanelLayout->addWidget(barChartRadioButton);
rightPanelLayout->addWidget(scatterChartRadioButton);
Marek Rosa
Initial commit for gdpBarChart example.
 r205 rightPanelLayout->addWidget(countrieslist);
rightPanelLayout->addWidget(yearslist);
rightPanelLayout->addWidget(refreshButton);
Marek Rosa
Added chart printing to pdf
 r244 rightPanelLayout->addWidget(printButton);
Marek Rosa
Initial commit for gdpBarChart example.
 r205 rightPanelLayout->setStretch(0, 1);
rightPanelLayout->setStretch(1, 0);
Jani Honkonen
make gdpbarchart compile again
 r826 QChart *chart = new QChart();
chart->setTitle("GDP by country");
Marek Rosa
modeldata example documented with explanations....
 r935 chart->legend()->setVisible(true);
Jani Honkonen
make gdpbarchart compile again
 r826
Marek Rosa
Initial commit for gdpBarChart example.
 r205 // main layout
Jani Honkonen
make gdpbarchart compile again
 r826 chartView = new QChartView(chart);
Marek Rosa
Initial commit for gdpBarChart example.
 r205 QGridLayout* mainLayout = new QGridLayout;
Jani Honkonen
make gdpbarchart compile again
 r826 mainLayout->addWidget(chartView, 0, 0);
Marek Rosa
Initial commit for gdpBarChart example.
 r205 mainLayout->addLayout(rightPanelLayout, 0, 1);
mainLayout->setColumnStretch(0,1);
setLayout(mainLayout);
// connect to the database
db = QSqlDatabase::addDatabase("QSQLITE");
Marek Rosa
Copy database to bin directory
 r242 db.setDatabaseName("gdpData");
Marek Rosa
Initial commit for gdpBarChart example.
 r205 if(!db.open())
{
qDebug() << "could not open database. SQLite db file missing (?)";
return;
}
// get the list of all countires and regions.
QSqlQuery query;
query.exec("SELECT DISTINCT country FROM gdp2");
// add the countries to the country filter
while (query.next()) {
countrieslist->addItem(query.value(0).toString());
}
}
Widget::~Widget()
{
//
db.close();
}
Marek Rosa
Corrected the path to SQlite data
 r219 /*!
refreshes the chart
*/
Marek Rosa
Initial commit for gdpBarChart example.
 r205 void Widget::refreshChart()
{
Jani Honkonen
make gdpbarchart compile again
 r826 chartView->chart()->removeAllSeries();
Marek Rosa
Added another chart type choice
 r268
Marek Rosa
Initial commit for gdpBarChart example.
 r205 // selected countries items list is not sorted. copy the values to QStringlist and sort them.
QStringList selectedCountriesStrings;
QList<QListWidgetItem*> selectedCountriesItems = countrieslist->selectedItems();
for (int i = 0; i < selectedCountriesItems.size(); i++)
selectedCountriesStrings.append(selectedCountriesItems[i]->text());
selectedCountriesStrings.sort();
QSqlQuery query;
Marek Rosa
Doc update
 r382 // selected years items list is not sorted. copy the values to QList<int> and sort them.
Marek Rosa
Initial commit for gdpBarChart example.
 r205 QList<int> selectedYearsInts;
QList<QListWidgetItem*> selectedYearsItems = yearslist->selectedItems();
for (int i = 0; i < selectedYearsItems.size(); i++)
selectedYearsInts.append(selectedYearsItems[i]->text().toInt());
Marek Rosa
modeldata example documented with explanations....
 r935 qSort(selectedYearsInts.begin(), selectedYearsInts.end());
Marek Rosa
Initial commit for gdpBarChart example.
 r205
Marek Rosa
Added another chart type choice
 r268 if (barChartRadioButton->isChecked())
Marek Rosa
Initial commit for gdpBarChart example.
 r205 {
Marek Rosa
Added another chart type choice
 r268 // use the sorted selected coutries list to initialize BarCategory
sauimone
replaced qbarcategory with qstringlist
 r377 QStringList category;
Marek Rosa
Added another chart type choice
 r268 for (int i = 0; i < selectedCountriesStrings.size(); i++)
sauimone
replaced qbarcategory with qstringlist
 r377 category << selectedCountriesStrings[i];
sauimone
barseries constructor fix
 r1114 QBarSeries* series0 = new QBarSeries();
series0->setCategories(category);
// series0 = new QBarSeries(category);
Marek Rosa
Added another chart type choice
 r268
// prepare the selected counries SQL query
QString countriesQuery = "country IN (";
for (int i = 0; i < selectedCountriesStrings.size(); i++)
Marek Rosa
Initial commit for gdpBarChart example.
 r205 {
Marek Rosa
Added another chart type choice
 r268 countriesQuery.append("'" + selectedCountriesStrings[i] + "'");
if ( i < selectedCountriesStrings.size() - 1)
countriesQuery.append(",");
else
countriesQuery.append(")");
}
// perform a query for each selected year
for (int i = 0; i < selectedYearsInts.size(); i++)
{
query.exec("SELECT country,gdpvalue FROM gdp2 where year=" + QString("%1").arg(selectedYearsInts[i]) + " AND " + countriesQuery);
Marek Rosa
modeldata example documented with explanations....
 r935 QBarSet* barSet = new QBarSet(QString::number(selectedYearsInts[i]));
Marek Rosa
Merge branch 'master' of https://git.it.local/repos/QtCommercialDevel-13049/charts...
 r286
Marek Rosa
Added another chart type choice
 r268 // while (query.next()) {
// qDebug() << query.value(0).toString() << " : " << query.value(1).toString();
// }
query.first();
// the data for some of the coutries for some years might be missing.
// QBarChart needs bars to have same size
for (int k = 0; k < selectedCountriesStrings.size(); k++)
Marek Rosa
Initial commit for gdpBarChart example.
 r205 {
Marek Rosa
Added another chart type choice
 r268 if (selectedCountriesStrings[k] == query.value(0).toString())
{
*barSet << query.value(1).toReal();
qDebug() << query.value(0).toString() << query.value(1).toReal() << " : " << QString("%1").arg(selectedYearsInts[i]);
query.next();
}
else
{
// data missing, put 0
*barSet << 0.0f;
Marek Rosa
Doc update
 r382 qDebug() << "Putting 0 for the missing data" << " : " << QString("%1").arg(selectedYearsInts[i]);
Marek Rosa
Added another chart type choice
 r268 }
Marek Rosa
Initial commit for gdpBarChart example.
 r205 }
Jani Honkonen
make gdpbarchart compile again
 r826 series0->appendBarSet(barSet);
Marek Rosa
Added another chart type choice
 r268 }
// add the serie to the chart
Jani Honkonen
make gdpbarchart compile again
 r826 chartView->chart()->addSeries(series0);
Marek Rosa
Added another chart type choice
 r268 }
else if (scatterChartRadioButton->isChecked())
{
QString yearsQuery = "year IN (";
for (int i = 0; i < selectedYearsInts.size(); i++)
{
yearsQuery.append("'" + QString("%1").arg(selectedYearsInts[i]) + "'");
if ( i < selectedYearsInts.size() - 1)
yearsQuery.append(",");
Marek Rosa
Initial commit for gdpBarChart example.
 r205 else
Marek Rosa
Added another chart type choice
 r268 yearsQuery.append(")");
}
Marek Rosa
Doc update
 r382 // perform a query for each selected country
Marek Rosa
Added another chart type choice
 r268 for (int i = 0; i < selectedCountriesStrings.size(); i++)
{
query.exec("SELECT year,gdpvalue FROM gdp2 where country='" + selectedCountriesStrings[i] + "' AND " + yearsQuery);
query.first();
QScatterSeries* series = new QScatterSeries;
Marek Rosa
modeldata example documented with explanations....
 r935 series->setName(selectedCountriesStrings[i]);
Marek Rosa
Added another chart type choice
 r268 // the data for some of the coutries for some years might be missing.
for (int k = 0; k < selectedYearsInts.size(); k++)
Marek Rosa
Initial commit for gdpBarChart example.
 r205 {
Marek Rosa
Added another chart type choice
 r268 if (selectedYearsInts[k] == query.value(0).toInt())
{
*series << QPointF(query.value(0).toInt() , query.value(1).toReal());
qDebug() << query.value(0).toString() << query.value(1).toReal() << " : " << QString("%1").arg(selectedYearsInts[k]);
query.next();
}
else
{
// data missing, put 0
*series << QPointF(selectedYearsInts[k] , 0.0f);
Marek Rosa
Doc update
 r382 qDebug() << "Putting 0 for the missing data" << " : " << QString("%1").arg(selectedYearsInts[i]) << " " << query.value(0).toInt();
Marek Rosa
Added another chart type choice
 r268 }
Marek Rosa
Initial commit for gdpBarChart example.
 r205 }
Marek Rosa
merge fix
 r383 // chartArea->axisX()->setRange(selectedYearsInts[selectedYearsInts.size() - 1] + 1, selectedYearsInts[0] - 1);
Jani Honkonen
make gdpbarchart compile again
 r826 chartView->chart()->addSeries(series);
Marek Rosa
Initial commit for gdpBarChart example.
 r205 }
Jani Honkonen
make gdpbarchart compile again
 r826 chartView->chart()->axisX()->setRange(selectedYearsInts[selectedYearsInts.size() - 1] - 1, selectedYearsInts[0] + 1);
Marek Rosa
Initial commit for gdpBarChart example.
 r205 }
}
Marek Rosa
Added chart printing to pdf
 r244
void Widget::printChart()
{
QPrinter printer;
Marek Rosa
Added another chart type choice
 r268 // QPrinter printer(QPrinter::HighResolution);
Marek Rosa
Added chart printing to pdf
 r244 printer.setOutputFormat(QPrinter::PdfFormat);
printer.setOrientation(QPrinter::Landscape);
printer.setOutputFileName("print.pdf");
QPainter painter;
painter.begin(&printer);
Jani Honkonen
make gdpbarchart compile again
 r826 chartView->render(&painter);
Marek Rosa
Added chart printing to pdf
 r244 }