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/****************************************************************************
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**
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** Copyright (C) 2012 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 "chartwindow.h"
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#include <QChartView>
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#include <QPieSeries>
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#include <QPieSlice>
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#include <QPercentBarSeries>
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#include <QStackedBarSeries>
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#include <QBarSeries>
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#include <QBarSet>
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#include <QLineSeries>
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#include <QSplineSeries>
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#include <QScatterSeries>
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#include <QAreaSeries>
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#include <QLegend>
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#include <QGridLayout>
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#include <QFormLayout>
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#include <QComboBox>
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#include <QSpinBox>
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#include <QCheckBox>
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#include <QGroupBox>
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#include <QLabel>
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#include <QTime>
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#include <QBarCategoriesAxis>
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#include <QGraphicsScene>
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#include <QGraphicsGridLayout>
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#include <QGraphicsLinearLayout>
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#include <QGraphicsProxyWidget>
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#include <QGLWidget>
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#include <QApplication>
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#include <QDebug>
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ChartWindow::ChartWindow(QWidget* parent) :
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QMainWindow(parent), m_listCount(3), m_valueMax(10), m_valueCount(7), m_scene(
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new QGraphicsScene(this)), m_view(0), m_dataTable(
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generateRandomData(m_listCount, m_valueMax, m_valueCount)), m_form(0), m_themeComboBox(0), m_antialiasCheckBox(
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0), m_animatedComboBox(0), m_legendComboBox(0), m_openGLCheckBox(0)
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{
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createProxyWidgets();
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connectSignals();
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// create layout
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QGraphicsGridLayout* baseLayout = new QGraphicsGridLayout();
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QGraphicsLinearLayout *settingsLayout = new QGraphicsLinearLayout();
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settingsLayout->setOrientation(Qt::Vertical);
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settingsLayout->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
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settingsLayout->addItem(m_widgetHash["openGLCheckBox"]);
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settingsLayout->addItem(m_widgetHash["antialiasCheckBox"]);
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settingsLayout->addItem(m_widgetHash["themeLabel"]);
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settingsLayout->addItem(m_widgetHash["themeComboBox"]);
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settingsLayout->addItem(m_widgetHash["animationsLabel"]);
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settingsLayout->addItem(m_widgetHash["animatedComboBox"]);
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settingsLayout->addItem(m_widgetHash["legendLabel"]);
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settingsLayout->addItem(m_widgetHash["legendComboBox"]);
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settingsLayout->addStretch();
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baseLayout->addItem(settingsLayout, 0, 3, 2, 1);
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//create charts
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int i = m_widgetHash.count();
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foreach(QGraphicsProxyWidget* widget , m_widgetHash) {
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widget->setZValue(i--);
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widget->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);
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}
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QChart* chart;
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chart = createAreaChart();
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baseLayout->addItem(chart, 0, 0);
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m_chartList << chart;
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chart = createBarChart(m_valueCount);
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baseLayout->addItem(chart, 0, 1);
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m_chartList << chart;
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chart = createLineChart();
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baseLayout->addItem(chart, 0, 2);
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m_chartList << chart;
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chart = createPieChart();
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baseLayout->addItem(chart, 1, 0);
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m_chartList << chart;
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chart = createSplineChart();
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baseLayout->addItem(chart, 1, 1);
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m_chartList << chart;
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chart = createScatterChart();
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baseLayout->addItem(chart, 1, 2);
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m_chartList << chart;
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// Set defaults
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//m_antialiasCheckBox->setChecked(true);
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m_form = new QGraphicsWidget();
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m_form->setLayout(baseLayout);
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m_scene->addItem(m_form);
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m_view = new GraphicsView(m_scene, m_form);
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m_view->setMinimumSize(m_form->preferredSize().toSize());
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updateUI();
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setCentralWidget(m_view);
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}
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ChartWindow::~ChartWindow()
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{
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}
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void ChartWindow::connectSignals()
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{
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connect(m_themeComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
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connect(m_antialiasCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateUI()));
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connect(m_openGLCheckBox, SIGNAL(toggled(bool)), this, SLOT(updateUI()));
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connect(m_animatedComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
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connect(m_legendComboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateUI()));
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}
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DataTable ChartWindow::generateRandomData(int listCount, int valueMax, int valueCount) const
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{
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DataTable dataTable;
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// set seed for random stuff
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qsrand(QTime(0, 0, 0).secsTo(QTime::currentTime()));
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// generate random data
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for (int i(0); i < listCount; i++) {
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DataList dataList;
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qreal yValue(0);
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for (int j(0); j < valueCount; j++) {
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yValue = yValue + (qreal) (qrand() % valueMax) / (qreal) valueCount;
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QPointF value(
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(j + (qreal) qrand() / (qreal) RAND_MAX)
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* ((qreal) m_valueMax / (qreal) valueCount), yValue);
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QString label = "Slice " + QString::number(i) + ":" + QString::number(j);
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dataList << Data(value, label);
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}
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dataTable << dataList;
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}
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return dataTable;
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}
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void ChartWindow::createProxyWidgets()
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{
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m_themeComboBox = createThemeBox();
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m_antialiasCheckBox = new QCheckBox(tr("Anti-aliasing"));
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m_animatedComboBox = createAnimationBox();
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m_legendComboBox = createLegendBox();
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m_openGLCheckBox = new QCheckBox(tr("OpenGL"));
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m_widgetHash["themeComboBox"] = m_scene->addWidget(m_themeComboBox);
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m_widgetHash["antialiasCheckBox"] = m_scene->addWidget(m_antialiasCheckBox);
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m_widgetHash["animatedComboBox"] = m_scene->addWidget(m_animatedComboBox);
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m_widgetHash["legendComboBox"] = m_scene->addWidget(m_legendComboBox);
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m_widgetHash["openGLCheckBox"] = m_scene->addWidget(m_openGLCheckBox);
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m_widgetHash["themeLabel"] = m_scene->addWidget(new QLabel("Theme"));
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m_widgetHash["animationsLabel"] = m_scene->addWidget(new QLabel("Animations"));
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m_widgetHash["legendLabel"] = m_scene->addWidget(new QLabel("Legend"));
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}
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QComboBox* ChartWindow::createThemeBox() const
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{
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// settings layoutQGLWidget’
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QComboBox* themeComboBox = new QComboBox();
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themeComboBox->addItem("Light", QChart::ChartThemeLight);
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themeComboBox->addItem("Blue Cerulean", QChart::ChartThemeBlueCerulean);
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themeComboBox->addItem("Dark", QChart::ChartThemeDark);
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themeComboBox->addItem("Brown Sand", QChart::ChartThemeBrownSand);
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themeComboBox->addItem("Blue NCS", QChart::ChartThemeBlueNcs);
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themeComboBox->addItem("High Contrast", QChart::ChartThemeHighContrast);
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themeComboBox->addItem("Blue Icy", QChart::ChartThemeBlueIcy);
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return themeComboBox;
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}
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QComboBox* ChartWindow::createAnimationBox() const
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{
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// settings layout
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QComboBox* animationComboBox = new QComboBox();
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animationComboBox->addItem("No Animations", QChart::NoAnimation);
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animationComboBox->addItem("GridAxis Animations", QChart::GridAxisAnimations);
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animationComboBox->addItem("Series Animations", QChart::SeriesAnimations);
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animationComboBox->addItem("All Animations", QChart::AllAnimations);
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return animationComboBox;
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}
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QComboBox* ChartWindow::createLegendBox() const
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{
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QComboBox* legendComboBox = new QComboBox();
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legendComboBox->addItem("No Legend ", 0);
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legendComboBox->addItem("Legend Top", Qt::AlignTop);
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legendComboBox->addItem("Legend Bottom", Qt::AlignBottom);
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legendComboBox->addItem("Legend Left", Qt::AlignLeft);
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legendComboBox->addItem("Legend Right", Qt::AlignRight);
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return legendComboBox;
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}
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QChart* ChartWindow::createAreaChart() const
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{
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QChart *chart = new QChart();
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// chart->axisX()->setNiceNumbersEnabled(true);
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// chart->axisY()->setNiceNumbersEnabled(true);
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chart->setTitle("Area chart");
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// The lower series initialized to zero values
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QLineSeries *lowerSeries = 0;
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QString name("Series ");
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int nameIndex = 0;
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for (int i(0); i < m_dataTable.count(); i++) {
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QLineSeries *upperSeries = new QLineSeries(chart);
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for (int j(0); j < m_dataTable[i].count(); j++) {
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Data data = m_dataTable[i].at(j);
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if (lowerSeries) {
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const QList<QPointF>& points = lowerSeries->points();
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upperSeries->append(QPointF(j, points[i].y() + data.first.y()));
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}
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else
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upperSeries->append(QPointF(j, data.first.y()));
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}
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QAreaSeries *area = new QAreaSeries(upperSeries, lowerSeries);
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area->setName(name + QString::number(nameIndex));
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nameIndex++;
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chart->addSeries(area);
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chart->createDefaultAxes();
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lowerSeries = upperSeries;
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}
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return chart;
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}
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QChart* ChartWindow::createBarChart(int valueCount) const
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{
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Q_UNUSED(valueCount);
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QChart* chart = new QChart();
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//TODO: chart->axisX()->setNiceNumbersEnabled(true);
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//TODO: chart->axisY()->setNiceNumbersEnabled(true);
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chart->setTitle("Bar chart");
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QStackedBarSeries* series = new QStackedBarSeries(chart);
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for (int i(0); i < m_dataTable.count(); i++) {
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QBarSet *set = new QBarSet("Bar set " + QString::number(i));
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foreach (Data data, m_dataTable[i])
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*set << data.first.y();
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series->append(set);
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}
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chart->addSeries(series);
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chart->createDefaultAxes();
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return chart;
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}
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QChart* ChartWindow::createLineChart() const
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{
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QChart* chart = new QChart();
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//TODO: chart->axisX()->setNiceNumbersEnabled(true);
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//TODO: chart->axisY()->setNiceNumbersEnabled(true);
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chart->setTitle("Line chart");
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QString name("Series ");
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int nameIndex = 0;
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foreach (DataList list, m_dataTable) {
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QLineSeries *series = new QLineSeries(chart);
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foreach (Data data, list)
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series->append(data.first);
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series->setName(name + QString::number(nameIndex));
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nameIndex++;
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chart->addSeries(series);
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}
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chart->createDefaultAxes();
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return chart;
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}
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QChart* ChartWindow::createPieChart() const
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{
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QChart* chart = new QChart();
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chart->setTitle("Pie chart");
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qreal pieSize = 1.0 / m_dataTable.count();
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for (int i = 0; i < m_dataTable.count(); i++) {
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QPieSeries *series = new QPieSeries(chart);
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foreach (Data data, m_dataTable[i]) {
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QPieSlice *slice = series->append(data.second, data.first.y());
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if (data == m_dataTable[i].first()) {
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slice->setLabelVisible();
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slice->setExploded();
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}
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}
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qreal hPos = (pieSize / 2) + (i / (qreal) m_dataTable.count());
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series->setPieSize(pieSize);
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series->setHorizontalPosition(hPos);
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series->setVerticalPosition(0.5);
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chart->addSeries(series);
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}
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return chart;
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}
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QChart* ChartWindow::createSplineChart() const
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{
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QChart* chart = new QChart();
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//TODO: chart->axisX()->setNiceNumbersEnabled(true);
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//TODO: chart->axisY()->setNiceNumbersEnabled(true);
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chart->setTitle("Spline chart");
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QString name("Series ");
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int nameIndex = 0;
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foreach (DataList list, m_dataTable) {
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QSplineSeries *series = new QSplineSeries(chart);
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foreach (Data data, list)
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series->append(data.first);
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series->setName(name + QString::number(nameIndex));
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nameIndex++;
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chart->addSeries(series);
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}
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chart->createDefaultAxes();
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return chart;
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}
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QChart* ChartWindow::createScatterChart() const
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{
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QChart* chart = new QChart();
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//TODO: chart->axisX()->setNiceNumbersEnabled(true);
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//TODO: chart->axisY()->setNiceNumbersEnabled(true);
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chart->setTitle("Scatter chart");
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QString name("Series ");
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int nameIndex = 0;
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foreach (DataList list, m_dataTable) {
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QScatterSeries *series = new QScatterSeries(chart);
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foreach (Data data, list)
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series->append(data.first);
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series->setName(name + QString::number(nameIndex));
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nameIndex++;
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chart->addSeries(series);
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}
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chart->createDefaultAxes();
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return chart;
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}
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void ChartWindow::updateUI()
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{
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bool opengl = m_openGLCheckBox->isChecked();
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bool isOpengl = qobject_cast<QGLWidget*>(m_view->viewport());
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if ((isOpengl && !opengl) || (!isOpengl && opengl)) {
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m_view->deleteLater();
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m_view = new GraphicsView(m_scene, m_form);
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m_view->setViewport(!opengl ? new QWidget() : new QGLWidget());
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setCentralWidget(m_view);
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}
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QChart::ChartTheme theme = (QChart::ChartTheme) m_themeComboBox->itemData(
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m_themeComboBox->currentIndex()).toInt();
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foreach (QChart *chart, m_chartList)
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chart->setTheme(theme);
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QPalette pal = window()->palette();
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if (theme == QChart::ChartThemeLight) {
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pal.setColor(QPalette::Window, QRgb(0xf0f0f0));
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pal.setColor(QPalette::WindowText, QRgb(0x404044));
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}
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else if (theme == QChart::ChartThemeDark) {
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pal.setColor(QPalette::Window, QRgb(0x121218));
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pal.setColor(QPalette::WindowText, QRgb(0xd6d6d6));
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}
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else if (theme == QChart::ChartThemeBlueCerulean) {
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pal.setColor(QPalette::Window, QRgb(0x40434a));
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pal.setColor(QPalette::WindowText, QRgb(0xd6d6d6));
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}
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else if (theme == QChart::ChartThemeBrownSand) {
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pal.setColor(QPalette::Window, QRgb(0x9e8965));
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pal.setColor(QPalette::WindowText, QRgb(0x404044));
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}
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else if (theme == QChart::ChartThemeBlueNcs) {
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pal.setColor(QPalette::Window, QRgb(0x018bba));
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pal.setColor(QPalette::WindowText, QRgb(0x404044));
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}
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else if (theme == QChart::ChartThemeHighContrast) {
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pal.setColor(QPalette::Window, QRgb(0xffab03));
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pal.setColor(QPalette::WindowText, QRgb(0x181818));
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}
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else if (theme == QChart::ChartThemeBlueIcy) {
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pal.setColor(QPalette::Window, QRgb(0xcee7f0));
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pal.setColor(QPalette::WindowText, QRgb(0x404044));
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}
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else {
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pal.setColor(QPalette::Window, QRgb(0xf0f0f0));
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pal.setColor(QPalette::WindowText, QRgb(0x404044));
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}
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foreach(QGraphicsProxyWidget* widget , m_widgetHash) {
|
|
|
widget->setPalette(pal);
|
|
|
}
|
|
|
m_view->setBackgroundBrush(pal.color((QPalette::Window)));
|
|
|
|
|
|
QChart::AnimationOptions options(
|
|
|
m_animatedComboBox->itemData(m_animatedComboBox->currentIndex()).toInt());
|
|
|
if (m_chartList.at(0)->animationOptions() != options) {
|
|
|
foreach (QChart *chart, m_chartList)
|
|
|
chart->setAnimationOptions(options);
|
|
|
}
|
|
|
|
|
|
Qt::Alignment alignment(m_legendComboBox->itemData(m_legendComboBox->currentIndex()).toInt());
|
|
|
|
|
|
if (!alignment) {
|
|
|
foreach (QChart *chart, m_chartList) {
|
|
|
chart->legend()->hide();
|
|
|
}
|
|
|
}
|
|
|
else {
|
|
|
foreach (QChart *chart, m_chartList) {
|
|
|
chart->legend()->setAlignment(alignment);
|
|
|
chart->legend()->show();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
bool checked = m_antialiasCheckBox->isChecked();
|
|
|
if (opengl)
|
|
|
m_view->setRenderHint(QPainter::HighQualityAntialiasing, checked);
|
|
|
else
|
|
|
m_view->setRenderHint(QPainter::Antialiasing, checked);
|
|
|
}
|
|
|
|
|
|
|
