tablewidget.cpp Example File

modeldata/tablewidget.cpp
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 #include "tablewidget.h"
 #include "customtablemodel.h"
 #include <QtWidgets/QGridLayout>
 #include <QtWidgets/QTableView>
 #include <QtCharts/QChart>
 #include <QtCharts/QChartView>
 #include <QtCharts/QLineSeries>
 #include <QtCharts/QVXYModelMapper>
 #include <QtWidgets/QHeaderView>

 QT_CHARTS_USE_NAMESPACE

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

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

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

     // series 1
     QLineSeries *series = new QLineSeries;
     series->setName("Line 1");
     QVXYModelMapper *mapper = new QVXYModelMapper(this);
     mapper->setXColumn(0);
     mapper->setYColumn(1);
     mapper->setSeries(series);
     mapper->setModel(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
     seriesColorHex = "#" + QString::number(series->pen().color().rgb(), 16).right(6).toUpper();
     model->addMapping(seriesColorHex, QRect(0, 0, 2, model->rowCount()));

     // series 2
     series = new QLineSeries;
     series->setName("Line 2");

     mapper = new QVXYModelMapper(this);
     mapper->setXColumn(2);
     mapper->setYColumn(3);
     mapper->setSeries(series);
     mapper->setModel(model);
     chart->addSeries(series);

     // get the color of the series and use it for showing the mapped area
     seriesColorHex = "#" + QString::number(series->pen().color().rgb(), 16).right(6).toUpper();
     model->addMapping(seriesColorHex, QRect(2, 0, 2, model->rowCount()));

     chart->createDefaultAxes();
     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);
 }