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/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.digia.com
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**
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** This file is part of the Qt Commercial Charts Add-on.
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**
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** $QT_BEGIN_LICENSE$
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.digia.com
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "mainwidget.h"
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#include "customtablemodel.h"
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#include <QVBarModelMapper>
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#include <QTableView>
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#include <QHeaderView>
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#include <QChartView>
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#include <QBoxPlotSeries>
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#include <QBarSet>
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#include <QLegend>
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#include <QBarCategoryAxis>
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#include <QBrush>
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#include <QColor>
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#include <QPushButton>
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#include <QComboBox>
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#include <QSpinBox>
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#include <QCheckBox>
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#include <QGridLayout>
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#include <QHBoxLayout>
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#include <QLabel>
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#include <QSpacerItem>
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#include <QMessageBox>
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#include <cmath>
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#include <QDebug>
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#include <QStandardItemModel>
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#include <QBarCategoryAxis>
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QTCOMMERCIALCHART_USE_NAMESPACE
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QString addCategories[] = {"Jul", "Aug", "Sep", "Nov", "Dec"};
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MainWidget::MainWidget(QWidget *parent) :
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QWidget(parent),
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m_chart(0),
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rowPos(0),
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nSeries(0),
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nNewBoxes(0)
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{
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m_chart = new QChart();
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// Grid layout for the controls for configuring the chart widget
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QGridLayout *grid = new QGridLayout();
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// Create add a series button
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QPushButton *addSeriesButton = new QPushButton("Add a series");
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connect(addSeriesButton, SIGNAL(clicked()), this, SLOT(addSeries()));
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grid->addWidget(addSeriesButton, rowPos++, 1);
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// Create remove a series button
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QPushButton *removeSeriesButton = new QPushButton("Remove a series");
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connect(removeSeriesButton, SIGNAL(clicked()), this, SLOT(removeSeries()));
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grid->addWidget(removeSeriesButton, rowPos++, 1);
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// Create add a single box button
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QPushButton *addBoxButton = new QPushButton("Add a box");
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connect(addBoxButton, SIGNAL(clicked()), this, SLOT(addBox()));
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grid->addWidget(addBoxButton, rowPos++, 1);
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initThemeCombo(grid);
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initCheckboxes(grid);
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m_model = new CustomTableModel;
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QTableView *tableView = new QTableView;
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tableView->setModel(m_model);
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tableView->setMaximumWidth(200);
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grid->addWidget(tableView, rowPos++, 0, 3, 2, Qt::AlignLeft);
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#if (QT_VERSION >= QT_VERSION_CHECK(5, 0, 0))
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tableView->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
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tableView->verticalHeader()->setSectionResizeMode(QHeaderView::Stretch);
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#else
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tableView->horizontalHeader()->setResizeMode(QHeaderView::Stretch);
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tableView->verticalHeader()->setResizeMode(QHeaderView::Stretch);
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#endif
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// add row with empty label to make all the other rows static
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grid->addWidget(new QLabel(""), grid->rowCount(), 0);
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grid->setRowStretch(grid->rowCount() - 1, 1);
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// Create chart view with the chart
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m_chartView = new QChartView(m_chart, this);
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//m_chartView->setRubberBand(QChartView::HorizonalRubberBand);
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// Another grid layout as a main layout
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QGridLayout *mainLayout = new QGridLayout();
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mainLayout->addLayout(grid, 0, 0);
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mainLayout->addWidget(m_chartView, 0, 1, 3, 1);
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setLayout(mainLayout);
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legendToggled(false);
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animationToggled(false);
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}
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// Combo box for selecting theme
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void MainWidget::initThemeCombo(QGridLayout *grid)
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{
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QComboBox *chartTheme = new QComboBox();
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chartTheme->addItem("Default");
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chartTheme->addItem("Light");
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chartTheme->addItem("Blue Cerulean");
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chartTheme->addItem("Dark");
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chartTheme->addItem("Brown Sand");
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chartTheme->addItem("Blue NCS");
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chartTheme->addItem("High Contrast");
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chartTheme->addItem("Blue Icy");
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connect(chartTheme, SIGNAL(currentIndexChanged(int)),
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this, SLOT(changeChartTheme(int)));
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grid->addWidget(new QLabel("Chart theme:"), rowPos, 0);
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grid->addWidget(chartTheme, rowPos++, 1);
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}
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// Different check boxes for customizing chart
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void MainWidget::initCheckboxes(QGridLayout *grid)
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{
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QCheckBox *animationCheckBox = new QCheckBox("Animation");
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connect(animationCheckBox, SIGNAL(toggled(bool)), this, SLOT(animationToggled(bool)));
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animationCheckBox->setChecked(false);
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grid->addWidget(animationCheckBox, rowPos++, 0);
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QCheckBox *legendCheckBox = new QCheckBox("Legend");
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connect(legendCheckBox, SIGNAL(toggled(bool)), this, SLOT(legendToggled(bool)));
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legendCheckBox->setChecked(false);
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grid->addWidget(legendCheckBox, rowPos++, 0);
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QCheckBox *titleCheckBox = new QCheckBox("Title");
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connect(titleCheckBox, SIGNAL(toggled(bool)), this, SLOT(titleToggled(bool)));
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titleCheckBox->setChecked(false);
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grid->addWidget(titleCheckBox, rowPos++, 0);
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QCheckBox *modelMapperCheckBox = new QCheckBox("Use model mapper");
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connect(modelMapperCheckBox, SIGNAL(toggled(bool)), this, SLOT(modelMapperToggled(bool)));
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modelMapperCheckBox->setChecked(false);
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grid->addWidget(modelMapperCheckBox, rowPos++, 0);
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}
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void MainWidget::addSeries()
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{
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qDebug() << "BoxPlotTester::MainWidget::addSeries()";
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if (nSeries > 9)
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return;
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// Initial data
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//![1]
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QBarSet *set0 = new QBarSet("Jan");
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QBarSet *set1 = new QBarSet("Feb");
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QBarSet *set2 = new QBarSet("Mar");
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QBarSet *set3 = new QBarSet("Apr");
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QBarSet *set4 = new QBarSet("May");
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QBarSet *set5 = new QBarSet("Jun");
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// low bot med top upp
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*set0 << 3 << 4 << 4.4 << 6 << 7;
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*set1 << 5 << 6 << 7.5 << 8 << 12;
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*set2 << 3 << 5 << 5.7 << 8 << 9;
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*set3 << 5 << 6 << 6.8 << 7 << 8;
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*set4 << 4 << 5 << 5.2 << 6 << 7;
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*set5 << 4 << 7 << 8.2 << 9 << 10;
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m_series[nSeries] = new QBoxPlotSeries();
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m_series[nSeries]->append(set0);
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m_series[nSeries]->append(set1);
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m_series[nSeries]->append(set2);
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m_series[nSeries]->append(set3);
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m_series[nSeries]->append(set4);
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m_series[nSeries]->append(set5);
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m_series[nSeries]->type();
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m_series[nSeries]->setName("Box & Whiskers");
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m_chart->addSeries(m_series[nSeries]);
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if (nSeries == 0) {
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QStringList categories;
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categories << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun";
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m_axis = new QBarCategoryAxis();
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m_axis->append(categories);
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m_chart->createDefaultAxes();
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m_chart->setAxisX(m_axis, m_series[nSeries]);
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}
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nSeries++;
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}
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void MainWidget::removeSeries()
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{
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if (nSeries > 0) {
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nSeries--;
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m_chart->removeSeries(m_series[nSeries]);
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delete m_series[nSeries];
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}
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}
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void MainWidget::addBox()
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{
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qDebug() << "BoxPlotTester::MainWidget::addBox()";
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QBarSet *newSet = new QBarSet("New");
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*newSet << 5 << 6 << 6.8 << 7 << 8;
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m_series[0]->append(newSet);
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m_axis->append(addCategories[nNewBoxes]);
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nNewBoxes++;
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}
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void MainWidget::animationToggled(bool enabled)
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{
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qDebug() << "BoxPlotTester::Animation toggled to " << enabled;
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if (enabled)
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m_chart->setAnimationOptions(QChart::SeriesAnimations);
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else
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m_chart->setAnimationOptions(QChart::NoAnimation);
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}
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void MainWidget::legendToggled(bool enabled)
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{
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qDebug() << "BoxPlotTester::Legend toggled to " << enabled;
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m_chart->legend()->setVisible(enabled);
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if (enabled)
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m_chart->legend()->setAlignment(Qt::AlignBottom);
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}
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void MainWidget::titleToggled(bool enabled)
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{
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qDebug() << "BoxPlotTester::Title toggled to " << enabled;
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if (enabled)
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m_chart->setTitle("Simple boxplotchart example");
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else
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m_chart->setTitle("");
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}
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void MainWidget::modelMapperToggled(bool enabled)
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{
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if (enabled) {
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m_series[nSeries] = new QBoxPlotSeries();
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int first = 0;
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int count = 5;
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QVBarModelMapper *mapper = new QVBarModelMapper(this);
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mapper->setFirstBarSetColumn(0);
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mapper->setLastBarSetColumn(5);
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mapper->setFirstRow(first);
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mapper->setRowCount(count);
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mapper->setSeries(m_series[nSeries]);
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mapper->setModel(m_model);
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m_chart->addSeries(m_series[nSeries]);
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nSeries++;
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} else {
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removeSeries();
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}
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}
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void MainWidget::changeChartTheme(int themeIndex)
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{
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qDebug() << "BoxPlotTester::changeChartTheme: " << themeIndex;
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if (themeIndex == 0)
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m_chart->setTheme(QChart::ChartThemeLight);
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else
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m_chart->setTheme((QChart::ChartTheme) (themeIndex - 1));
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}
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