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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include "barmodelmappermodel.h"
#include "barmodelmapperwidget.h"
#include <QBarCategoryAxis>
#include <QBarSeries>
#include <QBarSet>
#include <QChart>
#include <QChartView>
#include <QGraphicsLayout>
#include <QGridLayout>
#include <QHeaderView>
#include <QLineSeries>
#include <QTableView>
#include <QValueAxis>
#include <QVBarModelMapper>
#include <QVXYModelMapper>
BarModelMapperWidget::BarModelMapperWidget(QWidget *parent)
: ContentWidget(parent)
{
// create simple model for storing user's data
//! [1]
auto model = new BarModelMapperModel(this);
//! [1]
//! [2]
// create table view and add model to it
auto tableView = new QTableView(this);
tableView->setModel(model);
tableView->setMinimumWidth(300);
tableView->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
tableView->verticalHeader()->setSectionResizeMode(QHeaderView::Stretch);
model->setParent(tableView);
//! [2]
//! [3]
auto chart = new QChart;
chart->setAnimationOptions(QChart::AllAnimations);
//! [3]
chart->layout()->setContentsMargins(0, 0, 0, 0);
// series 1
//! [4]
auto series = new QBarSeries;
int first = 3;
int count = 5;
auto mapper = new QVBarModelMapper(this);
mapper->setFirstBarSetColumn(1);
mapper->setLastBarSetColumn(4);
mapper->setFirstRow(first);
mapper->setRowCount(count);
mapper->setSeries(series);
mapper->setModel(model);
chart->addSeries(series);
//! [4]
//! [5]
// 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();
model->addMapping(seriesColorHex, QRect(1 + i, first, 1, barsets.at(i)->count()));
}
//! [5]
//! [6]
QStringList categories {"April", "May", "June", "July", "August"};
auto axisX = new QBarCategoryAxis;
axisX->append(categories);
chart->addAxis(axisX, Qt::AlignBottom);
series->attachAxis(axisX);
auto axisY = new QValueAxis;
chart->addAxis(axisY, Qt::AlignLeft);
series->attachAxis(axisY);
//! [6]
//! [7]
auto chartView = new QChartView(chart, this);
chartView->setRenderHint(QPainter::Antialiasing);
//! [7]
//! [8]
// create main layout
auto mainLayout = new QGridLayout;
mainLayout->setHorizontalSpacing(10);
mainLayout->addWidget(tableView, 1, 0);
mainLayout->addWidget(chartView, 1, 1);
mainLayout->setColumnStretch(1, 1);
mainLayout->setColumnStretch(0, 0);
setLayout(mainLayout);
//! [8]
}
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