tablewidget.cpp Example File

barmodelmapper/tablewidget.cpp
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 #include "tablewidget.h"
 #include <QtWidgets/QGridLayout>
 #include <QtWidgets/QTableView>
 #include <QtCharts/QChart>
 #include <QtCharts/QChartView>
 #include <QtCharts/QLineSeries>
 #include <QtCharts/QVXYModelMapper>
 #include <QtCharts/QBarSeries>
 #include <QtCharts/QBarSet>
 #include <QtCharts/QVBarModelMapper>
 #include <QtWidgets/QHeaderView>
 #include <QtCharts/QBarCategoryAxis>
 #include <QtCharts/QValueAxis>

 QT_CHARTS_USE_NAMESPACE

 TableWidget::TableWidget(QWidget *parent)
     : QWidget(parent)
 {
     // create simple model for storing data
     // user's table data model
     m_model = new CustomTableModel;

     // create table view and add model to it
     QTableView *tableView = new QTableView;
     tableView->setModel(m_model);
     tableView->setMinimumWidth(300);
     tableView->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
     tableView->verticalHeader()->setSectionResizeMode(QHeaderView::Stretch);
     m_model->setParent(tableView);

     QChart *chart = new QChart;
     chart->setAnimationOptions(QChart::AllAnimations);

     // series 1
     QBarSeries *series = new QBarSeries;

     int first = 3;
     int count = 5;
     QVBarModelMapper *mapper = new QVBarModelMapper(this);
     mapper->setFirstBarSetColumn(1);
     mapper->setLastBarSetColumn(4);
     mapper->setFirstRow(first);
     mapper->setRowCount(count);
     mapper->setSeries(series);
     mapper->setModel(m_model);
     chart->addSeries(series);

     // for storing color hex from the series
     QString seriesColorHex = "#000000";

     // get the color of the series and use it for showing the mapped area
     QList<QBarSet *> barsets = series->barSets();
     for (int i = 0; i < barsets.count(); i++) {
         seriesColorHex = "#" + QString::number(barsets.at(i)->brush().color().rgb(), 16).right(6).toUpper();
         m_model->addMapping(seriesColorHex, QRect(1 + i, first, 1, barsets.at(i)->count()));
     }

     QStringList categories;
     categories << "April" << "May" << "June" << "July" << "August";
     QBarCategoryAxis *axisX = new QBarCategoryAxis();
     axisX->append(categories);
     chart->addAxis(axisX, Qt::AlignBottom);
     series->attachAxis(axisX);
     QValueAxis *axisY = new QValueAxis();
     chart->addAxis(axisY, Qt::AlignLeft);
     series->attachAxis(axisY);

     QChartView *chartView = new QChartView(chart);
     chartView->setRenderHint(QPainter::Antialiasing);
     chartView->setMinimumSize(640, 480);

     // create main layout
     QGridLayout *mainLayout = new QGridLayout;
     mainLayout->addWidget(tableView, 1, 0);
     mainLayout->addWidget(chartView, 1, 1);
     mainLayout->setColumnStretch(1, 1);
     mainLayout->setColumnStretch(0, 0);
     setLayout(mainLayout);
 }