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Documented mapToValue and mapToPostion methods in QChart
Documented mapToValue and mapToPostion methods in QChart

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tablewidget.cpp
153 lines | 4.5 KiB | text/x-c | CppLexer
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the Qt Commercial Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
**
****************************************************************************/
#include "tablewidget.h"
#include "customtablemodel.h"
#include <QGridLayout>
#include <QTableView>
#include <QChart>
#include <QChartView>
#include <QLineSeries>
#include <QVXYModelMapper>
#include <QHeaderView>
#include <QDoubleSpinBox>
#include <QLogValueAxis>
#include <QLineEdit>
#include <QDateTimeAxis>
QTCOMMERCIALCHART_USE_NAMESPACE
TableWidget::TableWidget(QWidget *parent)
: QWidget(parent),
m_logBaseSpinBox(0),
m_axis(0)
{
// create simple model for storing data
// user's table data model
//! [1]
CustomTableModel *model = new CustomTableModel;
//! [1]
//! [2]
// create table view and add model to it
QTableView *tableView = new QTableView;
tableView->setModel(model);
#if (QT_VERSION >= QT_VERSION_CHECK(5, 0, 0))
tableView->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
tableView->verticalHeader()->setSectionResizeMode(QHeaderView::Stretch);
#else
tableView->horizontalHeader()->setResizeMode(QHeaderView::Stretch);
tableView->verticalHeader()->setResizeMode(QHeaderView::Stretch);
#endif
//! [2]
//! [3]
QChart *chart = new QChart;
chart->setAnimationOptions(QChart::AllAnimations);
//! [3]
// series 1
//! [4]
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);
//! [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
seriesColorHex = "#" + QString::number(series->pen().color().rgb(), 16).right(6).toUpper();
model->addMapping(seriesColorHex, QRect(0, 0, 2, model->rowCount()));
//! [5]
// series 2
//! [6]
QLineSeries *series2 = new QLineSeries;
series2->setName("Line 2");
mapper = new QVXYModelMapper(this);
mapper->setXColumn(2);
mapper->setYColumn(3);
mapper->setSeries(series2);
mapper->setModel(model);
chart->addSeries(series2);
//! [6]
//! [7]
// get the color of the series and use it for showing the mapped area
seriesColorHex = "#" + QString::number(series2->pen().color().rgb(), 16).right(6).toUpper();
model->addMapping(seriesColorHex, QRect(2, 0, 2, model->rowCount()));
//! [7]
//! [8]
chart->createDefaultAxes();
m_axis = new QLogValueAxis;
chart->addAxis(m_axis, Qt::AlignRight);
chart->setAxisY(m_axis, series);
chart->setAxisY(m_axis, series2);
// series->attachAxis(m_axis);
// series2->attachAxis(m_axis);
QChartView *chartView = new QChartView(chart);
chartView->setRenderHint(QPainter::Antialiasing);
chartView->setMinimumSize(640, 480);
//! [8]
m_logBaseSpinBox = new QDoubleSpinBox;
m_logBaseSpinBox->setRange(0.01, 100.0);
connect(m_logBaseSpinBox, SIGNAL(valueChanged(double)), this, SLOT(logBaseChanged(double)));
QLineEdit *format = new QLineEdit;
connect(format, SIGNAL(textEdited(QString)), this, SLOT(formatChanged(QString)));
//! [9]
// create main layout
QGridLayout *mainLayout = new QGridLayout;
mainLayout->addWidget(tableView, 1, 0);
mainLayout->addWidget(chartView, 1, 1);
mainLayout->addWidget(m_logBaseSpinBox, 1, 2);
mainLayout->addWidget(format, 1, 3);
mainLayout->setColumnStretch(1, 1);
mainLayout->setColumnStretch(0, 0);
setLayout(mainLayout);
//! [9]
}
void TableWidget::logBaseChanged(double base)
{
m_axis->setBase(base);
}
void TableWidget::formatChanged(const QString& format)
{
m_axis->setLabelFormat(format);
// m_axis->setFormat(format);
}