tablewidget.cpp Example File

modeldata/tablewidget.cpp

  /****************************************************************************
  **
  ** Copyright (C) 2016 The Qt Company Ltd.
  ** Contact: https://www.qt.io/licensing/
  **
  ** This file is part of the Qt Charts module of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:GPL$
  ** Commercial License Usage
  ** Licensees holding valid commercial Qt licenses may use this file in
  ** accordance with the commercial license agreement provided with the
  ** Software or, alternatively, in accordance with the terms contained in
  ** a written agreement between you and The Qt Company. For licensing terms
  ** and conditions see https://www.qt.io/terms-conditions. For further
  ** information use the contact form at https://www.qt.io/contact-us.
  **
  ** GNU General Public License Usage
  ** Alternatively, this file may be used under the terms of the GNU
  ** General Public License version 3 or (at your option) any later version
  ** approved by the KDE Free Qt Foundation. The licenses are as published by
  ** the Free Software Foundation and appearing in the file LICENSE.GPL3
  ** included in the packaging of this file. Please review the following
  ** information to ensure the GNU General Public License requirements will
  ** be met: https://www.gnu.org/licenses/gpl-3.0.html.
  **
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/

  #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);
  }