tablewidget.cpp Example File

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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>

  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 *axis = new QBarCategoryAxis();
      axis->append(categories);
      chart->createDefaultAxes();
      chart->setAxisX(axis, series);

      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);
  }