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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 Enterprise Charts Add-on.
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**
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** $QT_BEGIN_LICENSE$
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** Licensees holding valid Qt Enterprise licenses may use this file in
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** accordance with the Qt Enterprise 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 "pentool.h"
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#include <QVBoxPlotModelMapper>
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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 <QBoxSet>
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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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#include <QLogValueAxis>
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QTCOMMERCIALCHART_USE_NAMESPACE
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static const QString allCategories[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
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static const int maxCategories = 12;
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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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m_axis(0),
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m_rowPos(0),
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m_seriesCount(0)
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{
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m_chart = new QChart();
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m_penTool = new PenTool("Whiskers pen", this);
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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, m_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, m_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, m_rowPos++, 1);
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// Create insert a box button
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QPushButton *insertBoxButton = new QPushButton("Insert a box");
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connect(insertBoxButton, SIGNAL(clicked()), this, SLOT(insertBox()));
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grid->addWidget(insertBoxButton, m_rowPos++, 1);
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// Create add a single box button
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QPushButton *removeBoxButton = new QPushButton("Remove a box");
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connect(removeBoxButton, SIGNAL(clicked()), this, SLOT(removeBox()));
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grid->addWidget(removeBoxButton, m_rowPos++, 1);
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// Create clear button
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QPushButton *clearButton = new QPushButton("Clear");
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connect(clearButton, SIGNAL(clicked()), this, SLOT(clear()));
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grid->addWidget(clearButton, m_rowPos++, 1);
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// Create clear button
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QPushButton *clearBoxButton = new QPushButton("ClearBox");
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connect(clearBoxButton, SIGNAL(clicked()), this, SLOT(clearBox()));
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grid->addWidget(clearBoxButton, m_rowPos++, 1);
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// Create set brush button
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QPushButton *setBrushButton = new QPushButton("Set brush");
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connect(setBrushButton, SIGNAL(clicked()), this, SLOT(setBrush()));
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grid->addWidget(setBrushButton, m_rowPos++, 1);
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// Create set whiskers pen button
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QPushButton *setWhiskersButton = new QPushButton("Whiskers pen");
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connect(setWhiskersButton, SIGNAL(clicked()), m_penTool, SLOT(show()));
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connect(m_penTool, SIGNAL(changed()), this, SLOT(changePen()));
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grid->addWidget(setWhiskersButton, m_rowPos++, 1);
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// Box width setting
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m_boxWidthSB = new QDoubleSpinBox();
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m_boxWidthSB->setMinimum(-1.0);
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m_boxWidthSB->setMaximum(2.0);
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m_boxWidthSB->setSingleStep(0.1);
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m_boxWidthSB->setValue(0.5);
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grid->addWidget(new QLabel("Box width:"), m_rowPos, 0);
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grid->addWidget(m_boxWidthSB, m_rowPos++, 1);
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connect(m_boxWidthSB, SIGNAL(valueChanged(double)), this, SLOT(setBoxWidth(double)));
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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, m_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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// As a default antialiasing is off
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m_chartView->setRenderHint(QPainter::Antialiasing, false);
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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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chartTheme->addItem("Qt");
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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:"), m_rowPos, 0);
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grid->addWidget(chartTheme, m_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, m_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, m_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, m_rowPos++, 0);
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QCheckBox *antialiasingCheckBox = new QCheckBox("Antialiasing");
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connect(antialiasingCheckBox, SIGNAL(toggled(bool)), this, SLOT(antialiasingToggled(bool)));
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antialiasingCheckBox->setChecked(false);
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grid->addWidget(antialiasingCheckBox, m_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, m_rowPos++, 0);
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m_boxOutlined = new QCheckBox("Box outlined");
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connect(m_boxOutlined, SIGNAL(toggled(bool)), this, SLOT(boxOutlineToggled(bool)));
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m_boxOutlined->setChecked(true);
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grid->addWidget(m_boxOutlined, m_rowPos++, 0);
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}
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void MainWidget::updateAxis(int categoryCount)
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{
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if (!m_axis) {
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m_chart->createDefaultAxes();
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m_axis = new QBarCategoryAxis();
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}
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QStringList categories;
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for (int i = 0; i < categoryCount; i++)
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categories << allCategories[i];
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m_axis->setCategories(categories);
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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 (m_seriesCount > 9)
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return;
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// Initial data
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QBoxSet *set0 = new QBoxSet();
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QBoxSet *set1 = new QBoxSet();
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QBoxSet *set2 = new QBoxSet();
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QBoxSet *set3 = new QBoxSet();
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QBoxSet *set4 = new QBoxSet();
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QBoxSet *set5 = new QBoxSet();
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// low bot med top upp
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*set0 << -1 << 2 << 4 << 13 << 15;
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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[m_seriesCount] = new QBoxPlotSeries();
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m_series[m_seriesCount]->append(set0);
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m_series[m_seriesCount]->append(set1);
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m_series[m_seriesCount]->append(set2);
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m_series[m_seriesCount]->append(set3);
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m_series[m_seriesCount]->append(set4);
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m_series[m_seriesCount]->append(set5);
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m_series[m_seriesCount]->setName("Box & Whiskers");
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connect(m_series[m_seriesCount], SIGNAL(clicked(QBoxSet*)), this, SLOT(boxClicked(QBoxSet*)));
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connect(m_series[m_seriesCount], SIGNAL(hovered(bool, QBoxSet*)), this, SLOT(boxHovered(bool, QBoxSet*)));
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connect(set1, SIGNAL(clicked()), this, SLOT(singleBoxClicked()));
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connect(set2, SIGNAL(hovered(bool)), this, SLOT(singleBoxHovered(bool)));
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m_series[m_seriesCount]->setBoxOutlineVisible(m_boxOutlined->checkState());
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m_series[m_seriesCount]->setBoxWidth(m_boxWidthSB->value());
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m_chart->addSeries(m_series[m_seriesCount]);
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updateAxis(m_series[0]->count());
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m_chart->setAxisX(m_axis, m_series[m_seriesCount]);
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m_seriesCount++;
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}
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void MainWidget::removeSeries()
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{
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qDebug() << "BoxPlotTester::MainWidget::removeSeries()";
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if (m_seriesCount > 0) {
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m_seriesCount--;
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m_chart->removeSeries(m_series[m_seriesCount]);
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delete m_series[m_seriesCount];
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m_series[m_seriesCount] = 0;
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} else {
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qDebug() << "Create a series first";
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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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if (m_seriesCount > 0 && m_series[0]->count() < maxCategories) {
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QBoxSet *newSet = new QBoxSet();
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newSet->setValue(QBoxSet::LowerExtreme, 5.0);
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newSet->setValue(QBoxSet::LowerQuartile, 6.0);
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newSet->setValue(QBoxSet::Median, 6.8);
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newSet->setValue(QBoxSet::UpperQuartile, 7.0);
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newSet->setValue(QBoxSet::UpperExtreme, 8.0);
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updateAxis(m_series[0]->count() + 1);
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m_series[0]->append(newSet);
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}
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}
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void MainWidget::insertBox()
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{
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qDebug() << "BoxPlotTester::MainWidget::insertBox()";
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if (m_seriesCount > 0 && m_series[0]->count() < maxCategories) {
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updateAxis(m_series[0]->count() + 1);
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for (int i = 0; i < m_seriesCount; i++) {
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QBoxSet *newSet = new QBoxSet();
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*newSet << 2 << 6 << 6.8 << 7 << 10;
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m_series[i]->insert(1, newSet);
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}
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}
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}
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void MainWidget::removeBox()
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{
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qDebug() << "BoxPlotTester::MainWidget::removeBox";
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if (m_seriesCount > 0) {
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for (int i = 0; i < m_seriesCount; i++) {
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qDebug() << "m_series[i]->count() = " << m_series[i]->count();
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if (m_series[i]->count()) {
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QList<QBoxSet *> sets = m_series[i]->boxSets();
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m_series[i]->remove(sets.at(m_series[i]->count() - 1));
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}
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}
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updateAxis(m_series[0]->count());
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} else {
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qDebug() << "Create a series first";
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}
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}
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void MainWidget::clear()
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{
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qDebug() << "BoxPlotTester::MainWidget::clear";
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if (m_seriesCount > 0)
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m_series[0]->clear();
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else
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qDebug() << "Create a series first";
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}
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void MainWidget::clearBox()
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{
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qDebug() << "BoxPlotTester::MainWidget::clearBox";
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if (m_seriesCount > 0) {
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QList<QBoxSet *> sets = m_series[0]->boxSets();
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if (sets.count() > 1)
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sets.at(1)->clear();
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else
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qDebug() << "Create a series with at least two items first";
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} else {
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qDebug() << "Create a series first";
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}
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}
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void MainWidget::setBrush()
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{
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qDebug() << "BoxPlotTester::MainWidget::setBrush";
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if (m_seriesCount > 0) {
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QList<QBoxSet *> sets = m_series[0]->boxSets();
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if (sets.count() > 1)
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sets.at(1)->setBrush(QBrush(QColor(Qt::yellow)));
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else
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qDebug() << "Create a series with at least two items first";
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} else {
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qDebug() << "Create a series first";
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}
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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::antialiasingToggled(bool enabled)
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{
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qDebug() << "BoxPlotTester::antialiasingToggled toggled to " << enabled;
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m_chartView->setRenderHint(QPainter::Antialiasing, enabled);
|
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}
|
|
|
|
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void MainWidget::boxOutlineToggled(bool visible)
|
|
|
{
|
|
|
qDebug() << "BoxPlotTester::boxOutlineToggled toggled to " << visible;
|
|
|
for (int i = 0; i < m_seriesCount; i++)
|
|
|
m_series[i]->setBoxOutlineVisible(visible);
|
|
|
}
|
|
|
|
|
|
void MainWidget::modelMapperToggled(bool enabled)
|
|
|
{
|
|
|
if (enabled) {
|
|
|
m_series[m_seriesCount] = new QBoxPlotSeries();
|
|
|
|
|
|
int first = 0;
|
|
|
int count = 5;
|
|
|
QVBoxPlotModelMapper *mapper = new QVBoxPlotModelMapper(this);
|
|
|
mapper->setFirstBoxSetColumn(0);
|
|
|
mapper->setLastBoxSetColumn(5);
|
|
|
mapper->setFirstRow(first);
|
|
|
mapper->setRowCount(count);
|
|
|
mapper->setSeries(m_series[m_seriesCount]);
|
|
|
mapper->setModel(m_model);
|
|
|
m_chart->addSeries(m_series[m_seriesCount]);
|
|
|
|
|
|
m_seriesCount++;
|
|
|
} else {
|
|
|
removeSeries();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void MainWidget::changeChartTheme(int themeIndex)
|
|
|
{
|
|
|
qDebug() << "BoxPlotTester::changeChartTheme: " << themeIndex;
|
|
|
if (themeIndex == 0)
|
|
|
m_chart->setTheme(QChart::ChartThemeLight);
|
|
|
else
|
|
|
m_chart->setTheme((QChart::ChartTheme) (themeIndex - 1));
|
|
|
}
|
|
|
|
|
|
void MainWidget::boxClicked(QBoxSet *set)
|
|
|
{
|
|
|
qDebug() << "boxClicked, median = " << set->at(QBoxSet::Median);
|
|
|
}
|
|
|
|
|
|
void MainWidget::boxHovered(bool state, QBoxSet *set)
|
|
|
{
|
|
|
if (state)
|
|
|
qDebug() << "box median " << set->at(QBoxSet::Median) << " hover started";
|
|
|
else
|
|
|
qDebug() << "box median " << set->at(QBoxSet::Median) << " hover ended";
|
|
|
}
|
|
|
|
|
|
void MainWidget::singleBoxClicked()
|
|
|
{
|
|
|
qDebug() << "singleBoxClicked";
|
|
|
}
|
|
|
|
|
|
void MainWidget::singleBoxHovered(bool state)
|
|
|
{
|
|
|
if (state)
|
|
|
qDebug() << "single box hover started";
|
|
|
else
|
|
|
qDebug() << "single box hover ended";
|
|
|
}
|
|
|
|
|
|
void MainWidget::changePen()
|
|
|
{
|
|
|
qDebug() << "changePen() = " << m_penTool->pen();
|
|
|
for (int i = 0; i < m_seriesCount; i++)
|
|
|
m_series[i]->setPen(m_penTool->pen());
|
|
|
}
|
|
|
|
|
|
void MainWidget::setBoxWidth(double width)
|
|
|
{
|
|
|
qDebug() << "setBoxWidth to " << width;
|
|
|
|
|
|
for (int i = 0; i < m_seriesCount; i++)
|
|
|
m_series[i]->setBoxWidth(qreal(width));
|
|
|
}
|
|
|
|