|
|
#include "mainwidget.h"
|
|
|
#include "dataseriedialog.h"
|
|
|
#include "qchartseries.h"
|
|
|
#include "qpieseries.h"
|
|
|
#include <qlinechartseries.h>
|
|
|
#include <barchartseries.h>
|
|
|
#include <stackedbarchartseries.h>
|
|
|
#include <percentbarchartseries.h>
|
|
|
#include <QPushButton>
|
|
|
#include <QComboBox>
|
|
|
#include <QSpinBox>
|
|
|
#include <QCheckBox>
|
|
|
#include <QGridLayout>
|
|
|
#include <QHBoxLayout>
|
|
|
#include <QLabel>
|
|
|
#include <QSpacerItem>
|
|
|
#include <QMessageBox>
|
|
|
#include <cmath>
|
|
|
#include <QDebug>
|
|
|
#include <QStandardItemModel>
|
|
|
|
|
|
|
|
|
QTCOMMERCIALCHART_USE_NAMESPACE
|
|
|
|
|
|
MainWidget::MainWidget(QWidget *parent) :
|
|
|
QWidget(parent)
|
|
|
{
|
|
|
m_chartWidget = new QChartView(this);
|
|
|
m_chartWidget->setRubberBandPolicy(QChartView::HorizonalRubberBand);
|
|
|
|
|
|
// Grid layout for the controls for configuring the chart widget
|
|
|
QGridLayout *grid = new QGridLayout();
|
|
|
QPushButton *addSeriesButton = new QPushButton("Add series");
|
|
|
connect(addSeriesButton, SIGNAL(clicked()), this, SLOT(addSeries()));
|
|
|
grid->addWidget(addSeriesButton, 0, 1);
|
|
|
initBackroundCombo(grid);
|
|
|
initScaleControls(grid);
|
|
|
initThemeCombo(grid);
|
|
|
QCheckBox *zoomCheckBox = new QCheckBox("Drag'n drop Zoom");
|
|
|
connect(zoomCheckBox, SIGNAL(toggled(bool)), m_chartWidget, SLOT(setZoomEnabled(bool)));
|
|
|
zoomCheckBox->setChecked(true);
|
|
|
grid->addWidget(zoomCheckBox, grid->rowCount(), 0);
|
|
|
// add row with empty label to make all the other rows static
|
|
|
grid->addWidget(new QLabel(""), grid->rowCount(), 0);
|
|
|
grid->setRowStretch(grid->rowCount() - 1, 1);
|
|
|
|
|
|
// Another grid layout as a main layout
|
|
|
QGridLayout *mainLayout = new QGridLayout();
|
|
|
mainLayout->addLayout(grid, 0, 0);
|
|
|
|
|
|
// Init series type specific controls
|
|
|
initPieControls();
|
|
|
mainLayout->addLayout(m_pieLayout, 2, 0);
|
|
|
// Scatter series specific settings
|
|
|
// m_scatterLayout = new QGridLayout();
|
|
|
// m_scatterLayout->addWidget(new QLabel("scatter"), 0, 0);
|
|
|
// m_scatterLayout->setEnabled(false);
|
|
|
// mainLayout->addLayout(m_scatterLayout, 1, 0);
|
|
|
|
|
|
// Add layouts and the chart widget to the main layout
|
|
|
mainLayout->addWidget(m_chartWidget, 0, 1, 3, 1);
|
|
|
setLayout(mainLayout);
|
|
|
|
|
|
// force an update to test data
|
|
|
testDataChanged(0);
|
|
|
}
|
|
|
|
|
|
// Combo box for selecting the chart's background
|
|
|
void MainWidget::initBackroundCombo(QGridLayout *grid)
|
|
|
{
|
|
|
QComboBox *backgroundCombo = new QComboBox(this);
|
|
|
backgroundCombo->addItem("Color");
|
|
|
backgroundCombo->addItem("Gradient");
|
|
|
backgroundCombo->addItem("Image");
|
|
|
connect(backgroundCombo, SIGNAL(currentIndexChanged(int)),
|
|
|
this, SLOT(backgroundChanged(int)));
|
|
|
|
|
|
grid->addWidget(new QLabel("Background:"), grid->rowCount(), 0);
|
|
|
grid->addWidget(backgroundCombo, grid->rowCount() - 1, 1);
|
|
|
}
|
|
|
|
|
|
// Scale related controls (auto-scale vs. manual min-max values)
|
|
|
void MainWidget::initScaleControls(QGridLayout *grid)
|
|
|
{
|
|
|
m_autoScaleCheck = new QCheckBox("Automatic scaling");
|
|
|
connect(m_autoScaleCheck, SIGNAL(stateChanged(int)), this, SLOT(autoScaleChanged(int)));
|
|
|
// Allow setting also non-sense values (like -2147483648 and 2147483647)
|
|
|
m_xMinSpin = new QSpinBox();
|
|
|
m_xMinSpin->setMinimum(INT_MIN);
|
|
|
m_xMinSpin->setMaximum(INT_MAX);
|
|
|
m_xMinSpin->setValue(0);
|
|
|
connect(m_xMinSpin, SIGNAL(valueChanged(int)), this, SLOT(xMinChanged(int)));
|
|
|
m_xMaxSpin = new QSpinBox();
|
|
|
m_xMaxSpin->setMinimum(INT_MIN);
|
|
|
m_xMaxSpin->setMaximum(INT_MAX);
|
|
|
m_xMaxSpin->setValue(10);
|
|
|
connect(m_xMaxSpin, SIGNAL(valueChanged(int)), this, SLOT(xMaxChanged(int)));
|
|
|
m_yMinSpin = new QSpinBox();
|
|
|
m_yMinSpin->setMinimum(INT_MIN);
|
|
|
m_yMinSpin->setMaximum(INT_MAX);
|
|
|
m_yMinSpin->setValue(0);
|
|
|
connect(m_yMinSpin, SIGNAL(valueChanged(int)), this, SLOT(yMinChanged(int)));
|
|
|
m_yMaxSpin = new QSpinBox();
|
|
|
m_yMaxSpin->setMinimum(INT_MIN);
|
|
|
m_yMaxSpin->setMaximum(INT_MAX);
|
|
|
m_yMaxSpin->setValue(10);
|
|
|
connect(m_yMaxSpin, SIGNAL(valueChanged(int)), this, SLOT(yMaxChanged(int)));
|
|
|
|
|
|
grid->addWidget(m_autoScaleCheck, grid->rowCount(), 0);
|
|
|
grid->addWidget(new QLabel("x min:"), grid->rowCount(), 0);
|
|
|
grid->addWidget(m_xMinSpin, grid->rowCount() - 1, 1);
|
|
|
grid->addWidget(new QLabel("x max:"), grid->rowCount(), 0);
|
|
|
grid->addWidget(m_xMaxSpin, grid->rowCount() - 1, 1);
|
|
|
grid->addWidget(new QLabel("y min:"), grid->rowCount(), 0);
|
|
|
grid->addWidget(m_yMinSpin, grid->rowCount() - 1, 1);
|
|
|
grid->addWidget(new QLabel("y max:"), grid->rowCount(), 0);
|
|
|
grid->addWidget(m_yMaxSpin, grid->rowCount() - 1, 1);
|
|
|
|
|
|
m_autoScaleCheck->setChecked(true);
|
|
|
}
|
|
|
|
|
|
// Combo box for selecting theme
|
|
|
void MainWidget::initThemeCombo(QGridLayout *grid)
|
|
|
{
|
|
|
QComboBox *chartTheme = new QComboBox();
|
|
|
chartTheme->addItem("Default");
|
|
|
chartTheme->addItem("Vanilla");
|
|
|
chartTheme->addItem("Icy");
|
|
|
chartTheme->addItem("Grayscale");
|
|
|
chartTheme->addItem("Scientific");
|
|
|
chartTheme->addItem("Unnamed1");
|
|
|
connect(chartTheme, SIGNAL(currentIndexChanged(int)),
|
|
|
this, SLOT(changeChartTheme(int)));
|
|
|
grid->addWidget(new QLabel("Chart theme:"), 8, 0);
|
|
|
grid->addWidget(chartTheme, 8, 1);
|
|
|
}
|
|
|
|
|
|
void MainWidget::initPieControls()
|
|
|
{
|
|
|
// Pie series specific settings
|
|
|
// Pie size factory
|
|
|
QDoubleSpinBox *pieSizeSpin = new QDoubleSpinBox();
|
|
|
pieSizeSpin->setMinimum(LONG_MIN);
|
|
|
pieSizeSpin->setMaximum(LONG_MAX);
|
|
|
pieSizeSpin->setValue(1.0);
|
|
|
pieSizeSpin->setSingleStep(0.1);
|
|
|
connect(pieSizeSpin, SIGNAL(valueChanged(double)), this, SLOT(setPieSizeFactor(double)));
|
|
|
// Pie position
|
|
|
QComboBox *piePosCombo = new QComboBox(this);
|
|
|
piePosCombo->addItem("Maximized");
|
|
|
piePosCombo->addItem("Top left");
|
|
|
piePosCombo->addItem("Top right");
|
|
|
piePosCombo->addItem("Bottom left");
|
|
|
piePosCombo->addItem("Bottom right");
|
|
|
connect(piePosCombo, SIGNAL(currentIndexChanged(int)),
|
|
|
this, SLOT(setPiePosition(int)));
|
|
|
m_pieLayout = new QGridLayout();
|
|
|
m_pieLayout->setEnabled(false);
|
|
|
m_pieLayout->addWidget(new QLabel("Pie size factor"), 0, 0);
|
|
|
m_pieLayout->addWidget(pieSizeSpin, 0, 1);
|
|
|
m_pieLayout->addWidget(new QLabel("Pie position"), 1, 0);
|
|
|
m_pieLayout->addWidget(piePosCombo, 1, 1);
|
|
|
}
|
|
|
|
|
|
void MainWidget::addSeries()
|
|
|
{
|
|
|
DataSerieDialog dialog(m_defaultSeriesName, this);
|
|
|
connect(&dialog, SIGNAL(accepted(QString, QString)), this, SLOT(addSeries(QString, QString)));
|
|
|
dialog.exec();
|
|
|
}
|
|
|
|
|
|
void MainWidget::addSeries(QString series, QString data)
|
|
|
{
|
|
|
qDebug() << "addSeries: " << series << " data: " << data;
|
|
|
m_defaultSeriesName = series;
|
|
|
|
|
|
// TODO: a dedicated data class for storing x and y values
|
|
|
QList<qreal> x;
|
|
|
QList<qreal> y;
|
|
|
|
|
|
QList<qreal> data0;
|
|
|
QList<qreal> data1;
|
|
|
QList<qreal> data2;
|
|
|
QList<qreal> data3;
|
|
|
QList<qreal> data4;
|
|
|
|
|
|
if (data == "linear") {
|
|
|
for (int i = 0; i < 20; i++) {
|
|
|
x.append(i);
|
|
|
y.append(i);
|
|
|
}
|
|
|
} else if (data == "linear, 1M") {
|
|
|
// 1 million data points from 0.0001 to 100
|
|
|
// TODO: What is the requirement? Should we be able to show this kind of data with
|
|
|
// reasonable performance, or can we expect the application developer to do "data mining"
|
|
|
// for us, so that the count of data points given to QtCommercial Chart is always
|
|
|
// reasonable?
|
|
|
for (qreal i = 0; i < 100; i += 0.0001) {
|
|
|
x.append(i);
|
|
|
y.append(20);
|
|
|
}
|
|
|
} else if (data == "SIN") {
|
|
|
for (int i = 0; i < 100; i++) {
|
|
|
x.append(i);
|
|
|
y.append(abs(sin(3.14159265358979 / 50 * i) * 100));
|
|
|
}
|
|
|
} else if (data == "SIN + random") {
|
|
|
for (qreal i = 0; i < 100; i += 0.1) {
|
|
|
x.append(i + (rand() % 5));
|
|
|
y.append(abs(sin(3.14159265358979 / 50 * i) * 100) + (rand() % 5));
|
|
|
}
|
|
|
} else if (data == "Table, 5 series"){
|
|
|
// Create some test data to chart
|
|
|
data0 << 1 << 2 << 3 << 4 << 5 << 6 << 7 << 8 << 9 << 10 << 5;
|
|
|
data1 << 5 << 0 << 0 << 4 << 0 << 7 << 8 << 9 << 9 << 0 << 4;
|
|
|
data2 << 3 << 5 << 8 << 13 << 8 << 5 << 3 << 2 << 1 << 1 << 3;
|
|
|
data3 << 5 << 6 << 7 << 3 << 4 << 5 << 8 << 9 << 10 << 5 << 2;
|
|
|
data4 << 9 << 7 << 5 << 3 << 1 << 2 << 4 << 6 << 8 << 10 << 1;
|
|
|
} else {
|
|
|
// TODO: check if data has a valid file name
|
|
|
Q_ASSERT(false);
|
|
|
}
|
|
|
|
|
|
// TODO: color of the series
|
|
|
QChartSeries *newSeries = 0;
|
|
|
if (series == "Scatter") {
|
|
|
newSeries = m_chartWidget->createSeries(QChartSeries::SeriesTypeScatter);
|
|
|
Q_ASSERT(newSeries->setData(x, y));
|
|
|
} else if (series == "Pie") {
|
|
|
newSeries = m_chartWidget->createSeries(QChartSeries::SeriesTypePie);
|
|
|
Q_ASSERT(newSeries->setData(y));
|
|
|
} else if (series == "Line") {
|
|
|
// TODO: adding data to an existing line series does not give any visuals for some reason
|
|
|
// newSeries = m_chartWidget->createSeries(QChartSeries::SeriesTypeLine);
|
|
|
// QXYChartSeries *lineSeries = static_cast<QXYChartSeries *>(newSeries);
|
|
|
// lineSeries->setColor(Qt::blue);
|
|
|
// for (int i(0); i < x.count() && i < y.count(); i++) {
|
|
|
// lineSeries->add(x.at(i), y.at(i));
|
|
|
// }
|
|
|
//Q_ASSERT(newSeries->setData(x, y));
|
|
|
QLineChartSeries* series0 = new QLineChartSeries();
|
|
|
for (int i(0); i < x.count() && i < y.count(); i++)
|
|
|
series0->add(x.at(i), y.at(i));
|
|
|
m_chartWidget->addSeries(series0);
|
|
|
newSeries = series0;
|
|
|
} else if (series == "Bar") {
|
|
|
qDebug() << "Bar chart series";
|
|
|
BarChartSeries* series0 = new BarChartSeries(this);
|
|
|
series0->addData(data0);
|
|
|
series0->addData(data1);
|
|
|
series0->addData(data2);
|
|
|
series0->addData(data3);
|
|
|
series0->addData(data4);
|
|
|
QList<QString> labels;
|
|
|
labels << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "June" << "Jul" << "Aug" << "Sep" << "Nov" << "Dec";
|
|
|
series0->setLabels(labels);
|
|
|
m_chartWidget->addSeries(series0);
|
|
|
newSeries = series0;
|
|
|
} else if (series == "StackedBar") {
|
|
|
qDebug() << "Bar chart series";
|
|
|
StackedBarChartSeries* series0 = new StackedBarChartSeries(this);
|
|
|
series0->addData(data0);
|
|
|
series0->addData(data1);
|
|
|
series0->addData(data2);
|
|
|
series0->addData(data3);
|
|
|
series0->addData(data4);
|
|
|
QList<QString> labels;
|
|
|
labels << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "June" << "Jul" << "Aug" << "Sep" << "Nov" << "Dec";
|
|
|
series0->setLabels(labels);
|
|
|
m_chartWidget->addSeries(series0);
|
|
|
newSeries = series0;
|
|
|
} else if (series == "PercentBar") {
|
|
|
qDebug() << "Bar chart series";
|
|
|
PercentBarChartSeries* series0 = new PercentBarChartSeries(this);
|
|
|
series0->addData(data0);
|
|
|
series0->addData(data1);
|
|
|
series0->addData(data2);
|
|
|
series0->addData(data3);
|
|
|
series0->addData(data4);
|
|
|
QList<QString> labels;
|
|
|
labels << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "June" << "Jul" << "Aug" << "Sep" << "Nov" << "Dec";
|
|
|
series0->setLabels(labels);
|
|
|
m_chartWidget->addSeries(series0);
|
|
|
newSeries = series0;
|
|
|
} else {
|
|
|
qDebug() << "Something weird going on in MainWidget::addSeries";
|
|
|
}
|
|
|
|
|
|
setCurrentSeries(newSeries);
|
|
|
}
|
|
|
|
|
|
void MainWidget::setCurrentSeries(QChartSeries *series)
|
|
|
{
|
|
|
m_currentSeries = series;
|
|
|
switch (m_currentSeries->type()) {
|
|
|
case QChartSeries::SeriesTypeLine:
|
|
|
break;
|
|
|
case QChartSeries::SeriesTypeScatter:
|
|
|
break;
|
|
|
case QChartSeries::SeriesTypePie:
|
|
|
break;
|
|
|
case QChartSeries::SeriesTypeBar:
|
|
|
qDebug() << "setCurrentSeries (bar)";
|
|
|
break;
|
|
|
case QChartSeries::SeriesTypeStackedBar:
|
|
|
qDebug() << "setCurrentSeries (Stackedbar)";
|
|
|
break;
|
|
|
case QChartSeries::SeriesTypePercentBar:
|
|
|
qDebug() << "setCurrentSeries (Percentbar)";
|
|
|
break;
|
|
|
default:
|
|
|
Q_ASSERT(false);
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void MainWidget::testDataChanged(int itemIndex)
|
|
|
{
|
|
|
qDebug() << "testDataChanged: " << itemIndex;
|
|
|
|
|
|
// switch (itemIndex) {
|
|
|
// case 0: {
|
|
|
// QList<QChartDataPoint> data;
|
|
|
// for (int x = 0; x < 20; x++) {
|
|
|
// data.append(QChartDataPoint() << x << x / 2);
|
|
|
// }
|
|
|
// m_chartWidget->setData(data);
|
|
|
// break;
|
|
|
// }
|
|
|
// case 1: {
|
|
|
// QList<QChartDataPoint> data;
|
|
|
// for (int x = 0; x < 100; x++) {
|
|
|
// data.append(QChartDataPoint() << x - 200 << 2 * (uint(sin(3.14159/50*x)*80) % 100));
|
|
|
// }
|
|
|
// m_chartWidget->setData(data);
|
|
|
// break;
|
|
|
// }
|
|
|
// case 2: {
|
|
|
// QList<QChartDataPoint> data;
|
|
|
// for (int x = 0; x < 1000; x++) {
|
|
|
// data.append(QChartDataPoint() << x - 200 << 2 * (uint(sin(3.14159/50*x)*80) % 100) + (rand() % 100 * 0.2));
|
|
|
// data.append(QChartDataPoint() << x - 200 << 2 * (uint(sin(3.14159/50*x)*80) % 100) + (rand() % 100 * 0.2));
|
|
|
// data.append(QChartDataPoint() << x - 200 << 2 * (uint(sin(3.14159/50*x)*80) % 100) + (rand() % 100 * 0.2));
|
|
|
// }
|
|
|
// m_chartWidget->setData(data);
|
|
|
// break;
|
|
|
// }
|
|
|
// default:
|
|
|
// break;
|
|
|
// }
|
|
|
}
|
|
|
|
|
|
void MainWidget::backgroundChanged(int itemIndex)
|
|
|
{
|
|
|
qDebug() << "backgroundChanged: " << itemIndex;
|
|
|
}
|
|
|
|
|
|
void MainWidget::autoScaleChanged(int value)
|
|
|
{
|
|
|
if (value) {
|
|
|
// TODO: enable auto scaling
|
|
|
} else {
|
|
|
// TODO: set scaling manually (and disable auto scaling)
|
|
|
}
|
|
|
|
|
|
m_xMinSpin->setEnabled(!value);
|
|
|
m_xMaxSpin->setEnabled(!value);
|
|
|
m_yMinSpin->setEnabled(!value);
|
|
|
m_yMaxSpin->setEnabled(!value);
|
|
|
}
|
|
|
|
|
|
void MainWidget::xMinChanged(int value)
|
|
|
{
|
|
|
qDebug() << "xMinChanged: " << value;
|
|
|
}
|
|
|
|
|
|
void MainWidget::xMaxChanged(int value)
|
|
|
{
|
|
|
qDebug() << "xMaxChanged: " << value;
|
|
|
}
|
|
|
|
|
|
void MainWidget::yMinChanged(int value)
|
|
|
{
|
|
|
qDebug() << "yMinChanged: " << value;
|
|
|
}
|
|
|
|
|
|
void MainWidget::yMaxChanged(int value)
|
|
|
{
|
|
|
qDebug() << "yMaxChanged: " << value;
|
|
|
}
|
|
|
|
|
|
void MainWidget::changeChartTheme(int themeIndex)
|
|
|
{
|
|
|
qDebug() << "changeChartTheme: " << themeIndex;
|
|
|
m_chartWidget->setChartTheme((QChart::ChartTheme) themeIndex);
|
|
|
//TODO: remove this hack. This is just to make it so that theme change is seen immediately.
|
|
|
QSize s = size();
|
|
|
s.setWidth(s.width()+1);
|
|
|
resize(s);
|
|
|
}
|
|
|
|
|
|
void MainWidget::setPieSizeFactor(double size)
|
|
|
{
|
|
|
QPieSeries *pie = qobject_cast<QPieSeries *>(m_currentSeries);
|
|
|
if (pie)
|
|
|
pie->setSizeFactor(qreal(size));
|
|
|
}
|
|
|
|
|
|
void MainWidget::setPiePosition(int position)
|
|
|
{
|
|
|
QPieSeries *pie = qobject_cast<QPieSeries *>(m_currentSeries);
|
|
|
if (pie)
|
|
|
pie->setPosition((QPieSeries::PiePosition) position);
|
|
|
}
|
|
|
|
