mainwidget.cpp
227 lines
| 6.8 KiB
| text/x-c
|
CppLexer
Mika Salmela
|
r2464 | /**************************************************************************** | ||
| ** | ||||
| ** Copyright (C) 2013 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 "mainwidget.h" | ||||
| #include <QChartView> | ||||
| #include <QBoxPlotSeries> | ||||
| #include <QBarSet> | ||||
| #include <QLegend> | ||||
| #include <QBarCategoryAxis> | ||||
| #include <QBrush> | ||||
| #include <QColor> | ||||
| #include <QPushButton> | ||||
| #include <QComboBox> | ||||
| #include <QSpinBox> | ||||
| #include <QCheckBox> | ||||
| #include <QGridLayout> | ||||
| #include <QHBoxLayout> | ||||
| #include <QLabel> | ||||
| #include <QSpacerItem> | ||||
| #include <QMessageBox> | ||||
| #include <cmath> | ||||
| #include <QDebug> | ||||
| #include <QStandardItemModel> | ||||
| #include <QBarCategoryAxis> | ||||
| QTCOMMERCIALCHART_USE_NAMESPACE | ||||
| MainWidget::MainWidget(QWidget *parent) : | ||||
| QWidget(parent), | ||||
| m_chart(0), | ||||
| rowPos(0), | ||||
| nSeries(0) | ||||
| { | ||||
| m_chart = new QChart(); | ||||
| // Grid layout for the controls for configuring the chart widget | ||||
| QGridLayout *grid = new QGridLayout(); | ||||
| // Create add a series button | ||||
| QPushButton *addSeriesButton = new QPushButton("Add a series"); | ||||
| connect(addSeriesButton, SIGNAL(clicked()), this, SLOT(addSeries())); | ||||
| grid->addWidget(addSeriesButton, rowPos++, 1); | ||||
| // Create remove a series button | ||||
| QPushButton *removeSeriesButton = new QPushButton("Remove a series"); | ||||
| connect(removeSeriesButton, SIGNAL(clicked()), this, SLOT(removeSeries())); | ||||
| grid->addWidget(removeSeriesButton, rowPos++, 1); | ||||
| // Create add a single box button | ||||
| QPushButton *addBoxButton = new QPushButton("Add a box"); | ||||
| connect(addBoxButton, SIGNAL(clicked()), this, SLOT(addBox())); | ||||
| grid->addWidget(addBoxButton, rowPos++, 1); | ||||
| initThemeCombo(grid); | ||||
| initCheckboxes(grid); | ||||
| // add row with empty label to make all the other rows static | ||||
| grid->addWidget(new QLabel(""), grid->rowCount(), 0); | ||||
| grid->setRowStretch(grid->rowCount() - 1, 1); | ||||
| // Create chart view with the chart | ||||
| m_chartView = new QChartView(m_chart, this); | ||||
| //m_chartView->setRubberBand(QChartView::HorizonalRubberBand); | ||||
| // Another grid layout as a main layout | ||||
| QGridLayout *mainLayout = new QGridLayout(); | ||||
| mainLayout->addLayout(grid, 0, 0); | ||||
| mainLayout->addWidget(m_chartView, 0, 1, 3, 1); | ||||
| setLayout(mainLayout); | ||||
| legendToggled(false); | ||||
| animationToggled(false); | ||||
| } | ||||
| // Combo box for selecting theme | ||||
| void MainWidget::initThemeCombo(QGridLayout *grid) | ||||
| { | ||||
| QComboBox *chartTheme = new QComboBox(); | ||||
| chartTheme->addItem("Default"); | ||||
| chartTheme->addItem("Light"); | ||||
| chartTheme->addItem("Blue Cerulean"); | ||||
| chartTheme->addItem("Dark"); | ||||
| chartTheme->addItem("Brown Sand"); | ||||
| chartTheme->addItem("Blue NCS"); | ||||
| chartTheme->addItem("High Contrast"); | ||||
| chartTheme->addItem("Blue Icy"); | ||||
| connect(chartTheme, SIGNAL(currentIndexChanged(int)), | ||||
| this, SLOT(changeChartTheme(int))); | ||||
| grid->addWidget(new QLabel("Chart theme:"), rowPos, 0); | ||||
| grid->addWidget(chartTheme, rowPos++, 1); | ||||
| } | ||||
| // Different check boxes for customizing chart | ||||
| void MainWidget::initCheckboxes(QGridLayout *grid) | ||||
| { | ||||
| QCheckBox *animationCheckBox = new QCheckBox("Animation"); | ||||
| connect(animationCheckBox, SIGNAL(toggled(bool)), this, SLOT(animationToggled(bool))); | ||||
| animationCheckBox->setChecked(false); | ||||
| grid->addWidget(animationCheckBox, rowPos++, 0); | ||||
| QCheckBox *legendCheckBox = new QCheckBox("Legend"); | ||||
| connect(legendCheckBox, SIGNAL(toggled(bool)), this, SLOT(legendToggled(bool))); | ||||
| legendCheckBox->setChecked(false); | ||||
| grid->addWidget(legendCheckBox, rowPos++, 0); | ||||
| QCheckBox *titleCheckBox = new QCheckBox("Title"); | ||||
| connect(titleCheckBox, SIGNAL(toggled(bool)), this, SLOT(titleToggled(bool))); | ||||
| titleCheckBox->setChecked(false); | ||||
| grid->addWidget(titleCheckBox, rowPos++, 0); | ||||
| } | ||||
| void MainWidget::addSeries() | ||||
| { | ||||
| qDebug() << "BoxPlotTester::MainWidget::addSeries()"; | ||||
| if (nSeries > 9) | ||||
| return; | ||||
| // Initial data | ||||
| //![1] | ||||
| QBarSet *set0 = new QBarSet("Jan"); | ||||
| QBarSet *set1 = new QBarSet("Feb"); | ||||
| QBarSet *set2 = new QBarSet("Mar"); | ||||
| QBarSet *set3 = new QBarSet("Apr"); | ||||
| QBarSet *set4 = new QBarSet("May"); | ||||
| QBarSet *set5 = new QBarSet("Jun"); | ||||
| // low bot med top upp | ||||
| *set0 << 3 << 4 << 4.4 << 6 << 7; | ||||
| *set1 << 5 << 6 << 7.5 << 8 << 12; | ||||
| *set2 << 3 << 5 << 5.7 << 8 << 9; | ||||
| *set3 << 5 << 6 << 6.8 << 7 << 8; | ||||
| *set4 << 4 << 5 << 5.2 << 6 << 7; | ||||
| *set5 << 4 << 7 << 8.2 << 9 << 10; | ||||
| m_series[nSeries] = new QBoxPlotSeries(); | ||||
| m_series[nSeries]->append(set0); | ||||
| m_series[nSeries]->append(set1); | ||||
| m_series[nSeries]->append(set2); | ||||
| m_series[nSeries]->append(set3); | ||||
| m_series[nSeries]->append(set4); | ||||
| m_series[nSeries]->append(set5); | ||||
| m_series[nSeries]->type(); | ||||
| m_series[nSeries]->setName("Box & Whiskers"); | ||||
| m_chart->addSeries(m_series[nSeries]); | ||||
| QStringList categories; | ||||
| categories << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun"; | ||||
| QBarCategoryAxis *axis = new QBarCategoryAxis(); | ||||
| axis->append(categories); | ||||
| m_chart->createDefaultAxes(); | ||||
| m_chart->setAxisX(axis, m_series[nSeries]); | ||||
| nSeries++; | ||||
| } | ||||
| void MainWidget::removeSeries() | ||||
| { | ||||
| if (nSeries > 0) { | ||||
| nSeries--; | ||||
| m_chart->removeSeries(m_series[nSeries]); | ||||
| delete m_series[nSeries]; | ||||
| } | ||||
| } | ||||
| void MainWidget::addBox() | ||||
| { | ||||
| qDebug() << "BoxPlotTester::MainWidget::addBox()"; | ||||
| QBarSet *newSet = new QBarSet("New"); | ||||
| *newSet << 5 << 6 << 6.8 << 7 << 8; | ||||
| m_series[0]->append(newSet); | ||||
| } | ||||
| void MainWidget::animationToggled(bool enabled) | ||||
| { | ||||
| qDebug() << "BoxPlotTester::Animation toggled to " << enabled; | ||||
| if (enabled) | ||||
| m_chart->setAnimationOptions(QChart::SeriesAnimations); | ||||
| else | ||||
| m_chart->setAnimationOptions(QChart::NoAnimation); | ||||
| } | ||||
| void MainWidget::legendToggled(bool enabled) | ||||
| { | ||||
| qDebug() << "BoxPlotTester::Legend toggled to " << enabled; | ||||
| m_chart->legend()->setVisible(enabled); | ||||
| if (enabled) | ||||
| m_chart->legend()->setAlignment(Qt::AlignBottom); | ||||
| } | ||||
| void MainWidget::titleToggled(bool enabled) | ||||
| { | ||||
| qDebug() << "BoxPlotTester::Title toggled to " << enabled; | ||||
| if (enabled) | ||||
| m_chart->setTitle("Simple boxplotchart example"); | ||||
| else | ||||
| m_chart->setTitle(""); | ||||
| } | ||||
| void MainWidget::changeChartTheme(int themeIndex) | ||||
| { | ||||
| qDebug() << "BoxPlotTester::changeChartTheme: " << themeIndex; | ||||
| m_chart->setTheme((QChart::ChartTheme) themeIndex); | ||||
| } | ||||