chartdataset.cpp
334 lines
| 9.5 KiB
| text/x-c
|
CppLexer
/ src / chartdataset.cpp
Michal Klocek
|
r771 | /**************************************************************************** | ||
| ** | ||||
| ** Copyright (C) 2012 Digia Plc | ||||
| ** All rights reserved. | ||||
| ** For any questions to Digia, please use contact form at http://qt.digia.com | ||||
| ** | ||||
| ** This file is part of the Qt Commercial Charts Add-on. | ||||
| ** | ||||
| ** $QT_BEGIN_LICENSE$ | ||||
| ** Licensees holding valid Qt Commercial licenses may use this file in | ||||
| ** accordance with the Qt Commercial License Agreement provided with the | ||||
| ** Software or, alternatively, in accordance with the terms contained in | ||||
| ** a written agreement between you and Digia. | ||||
| ** | ||||
| ** If you have questions regarding the use of this file, please use | ||||
| ** contact form at http://qt.digia.com | ||||
| ** $QT_END_LICENSE$ | ||||
| ** | ||||
| ****************************************************************************/ | ||||
|
Michal Klocek
|
r131 | #include "chartdataset_p.h" | ||
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r223 | #include "qchartaxis.h" | ||
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r139 | //series | ||
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r349 | #include "qlineseries.h" | ||
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r421 | #include "qareaseries.h" | ||
sauimone
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r338 | #include "qbarseries.h" | ||
| #include "qstackedbarseries.h" | ||||
| #include "qpercentbarseries.h" | ||||
Jani Honkonen
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r146 | #include "qpieseries.h" | ||
Tero Ahola
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r158 | #include "qscatterseries.h" | ||
Marek Rosa
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r401 | #include "qsplineseries.h" | ||
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r131 | |||
| QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
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r223 | ChartDataSet::ChartDataSet(QObject *parent):QObject(parent), | ||
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r401 | m_axisX(new QChartAxis(this)), | ||
| m_axisY(new QChartAxis(this)), | ||||
| m_domainIndex(0), | ||||
| m_axisXInitialized(false) | ||||
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r131 | { | ||
| } | ||||
| ChartDataSet::~ChartDataSet() | ||||
| { | ||||
| } | ||||
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r360 | void ChartDataSet::addSeries(QSeries* series, QChartAxis *axisY) | ||
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r131 | { | ||
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r439 | if(axisY==0) axisY = m_axisY; | ||
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r139 | |||
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Tero Ahola
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r825 | if (seriesIndex(series) > -1) { | ||
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r439 | qWarning() << "Can not add series. Series already on the chart"; | ||
| return; | ||||
| } | ||||
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r223 | |||
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r439 | if(!series->parent()){ | ||
| series->setParent(this); // take ownership | ||||
| }; | ||||
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r223 | |||
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r439 | if(!axisY->parent()){ | ||
| axisY->setParent(this); // take ownership | ||||
| } | ||||
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r223 | |||
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r439 | Domain* domain = m_axisDomainMap.value(axisY); | ||
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Tero Ahola
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r825 | if (!domain) { | ||
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r787 | domain = new Domain(axisY); | ||
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r688 | QObject::connect(axisY,SIGNAL(changed(qreal,qreal,int,bool)),domain,SLOT(handleAxisYChanged(qreal,qreal,int,bool))); | ||
| QObject::connect(axisX(),SIGNAL(changed(qreal,qreal,int,bool)),domain,SLOT(handleAxisXChanged(qreal,qreal,int,bool))); | ||||
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r678 | QObject::connect(domain,SIGNAL(rangeYChanged(qreal,qreal,int)),axisY,SLOT(handleAxisRangeChanged(qreal,qreal,int))); | ||
| QObject::connect(domain,SIGNAL(rangeXChanged(qreal,qreal,int)),axisX(),SLOT(handleAxisRangeChanged(qreal,qreal,int))); | ||||
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r442 | //initialize | ||
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r439 | m_axisDomainMap.insert(axisY,domain); | ||
| emit axisAdded(axisY,domain); | ||||
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Marek Rosa
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r401 | } | ||
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r421 | |||
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Tero Ahola
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r825 | if (!m_axisXInitialized) { | ||
| emit axisAdded(axisX(), domain); | ||||
| m_axisXInitialized = true; | ||||
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r439 | } | ||
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r421 | |||
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Tero Ahola
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r825 | calculateDomain(series, domain); | ||
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r421 | |||
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Tero Ahola
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r825 | m_seriesAxisList.append(QPair<QSeries*, QChartAxis*>(series, axisY)); | ||
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r139 | |||
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Tero Ahola
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r825 | emit seriesAdded(series, domain); | ||
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r439 | } | ||
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Jani Honkonen
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r142 | |||
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r439 | void ChartDataSet::removeSeries(QSeries* series) | ||
| { | ||||
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Tero Ahola
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r825 | int index = seriesIndex(series); | ||
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Jani Honkonen
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r828 | if (index < 0) { | ||
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Tero Ahola
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r825 | qWarning() << "Can not remove series. Series not found on the chart."; | ||
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Marek Rosa
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r401 | return; | ||
| } | ||||
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r139 | |||
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Tero Ahola
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r825 | // Remove the series and the axis from the container | ||
| QChartAxis* axis = m_seriesAxisList.at(index).second; | ||||
| m_seriesAxisList.removeAt(index); | ||||
| // Delete the series | ||||
| emit seriesRemoved(series); | ||||
| if (series->parent() == this) { | ||||
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r439 | delete series; | ||
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Tero Ahola
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r825 | series = 0; | ||
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r139 | } | ||
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Tero Ahola
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r825 | // Check if the Y axis is still in use | ||
| bool yAxisInUse(false); | ||||
| for (int i(0); i < m_seriesAxisList.count(); i++) { | ||||
| QPair<QSeries *, QChartAxis *> pair = m_seriesAxisList.at(i); | ||||
| if (pair.second == axis) | ||||
| yAxisInUse = true; | ||||
| } | ||||
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r223 | |||
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Tero Ahola
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r825 | // Remove the Y axis if not in use | ||
| if (!yAxisInUse) { | ||||
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r439 | Domain* domain = m_axisDomainMap.take(axis); | ||
| emit axisRemoved(axis); | ||||
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Tero Ahola
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r825 | if (axis != axisY()) { | ||
| // Delete the Y axis unless it is the default one | ||||
| if (axis->parent() == this) { | ||||
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Michal Klocek
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r444 | delete axis; | ||
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Tero Ahola
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r825 | axis = 0; | ||
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Michal Klocek
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r444 | } | ||
| } | ||||
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Michal Klocek
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r439 | delete domain; | ||
| } | ||||
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r223 | |||
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Tero Ahola
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r825 | // Remove the x axis in case there are no y-axes left | ||
| if (m_seriesAxisList.count() == 0) { | ||||
| m_axisXInitialized = false; | ||||
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r439 | emit axisRemoved(axisX()); | ||
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r223 | } | ||
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r139 | } | ||
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r258 | void ChartDataSet::removeAllSeries() | ||
| { | ||||
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Tero Ahola
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r825 | while (m_seriesAxisList.count()) { | ||
| QPair<QSeries *, QChartAxis *> pair = m_seriesAxisList.last(); | ||||
| removeSeries(pair.first); | ||||
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r139 | } | ||
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Tero Ahola
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r825 | Q_ASSERT(m_seriesAxisList.count() == 0); | ||
| Q_ASSERT(m_axisDomainMap.count() == 0); | ||||
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r139 | } | ||
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r439 | //to be removed with PIMPL | ||
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r701 | void ChartDataSet::calculateDomain(QSeries* series,Domain* domain) | ||
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r139 | { | ||
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r701 | qreal minX(domain->minX()); | ||
| qreal minY(domain->minY()); | ||||
| qreal maxX(domain->maxX()); | ||||
| qreal maxY(domain->maxY()); | ||||
| int tickXCount(domain->tickXCount()); | ||||
| int tickYCount(domain->tickYCount()); | ||||
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r439 | switch(series->type()) | ||
| { | ||||
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r470 | case QSeries::SeriesTypeLine: | ||
| case QSeries::SeriesTypeSpline: | ||||
| case QSeries::SeriesTypeScatter: | ||||
| { | ||||
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Michal Klocek
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r373 | |||
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Michal Klocek
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r470 | QXYSeries* xySeries = static_cast<QXYSeries*>(series); | ||
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r265 | |||
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r470 | for (int i = 0; i < xySeries->count(); i++) | ||
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r439 | { | ||
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r470 | qreal x = xySeries->x(i); | ||
| qreal y = xySeries->y(i); | ||||
| minX = qMin(minX, x); | ||||
| minY = qMin(minY, y); | ||||
| maxX = qMax(maxX, x); | ||||
| maxY = qMax(maxY, y); | ||||
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r439 | } | ||
| break; | ||||
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r223 | } | ||
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r439 | case QSeries::SeriesTypeArea: { | ||
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r400 | |||
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r439 | QAreaSeries* areaSeries = static_cast<QAreaSeries*>(series); | ||
| QLineSeries* upperSeries = areaSeries->upperSeries(); | ||||
| QLineSeries* lowerSeries = areaSeries->lowerSeries(); | ||||
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r223 | |||
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r439 | for (int i = 0; i < upperSeries->count(); i++) | ||
| { | ||||
| qreal x = upperSeries->x(i); | ||||
| qreal y = upperSeries->y(i); | ||||
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r701 | minX = qMin(minX, x); | ||
| minY = qMin(minY, y); | ||||
| maxX = qMax(maxX, x); | ||||
| maxY = qMax(maxY, y); | ||||
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r439 | } | ||
| if(lowerSeries) { | ||||
| for (int i = 0; i < lowerSeries->count(); i++) | ||||
| { | ||||
| qreal x = lowerSeries->x(i); | ||||
| qreal y = lowerSeries->y(i); | ||||
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r701 | minX = qMin(minX, x); | ||
| minY = qMin(minY, y); | ||||
| maxX = qMax(maxX, x); | ||||
| maxY = qMax(maxY, y); | ||||
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r439 | }} | ||
| break; | ||||
| } | ||||
| case QSeries::SeriesTypeBar: { | ||||
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r701 | |||
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r439 | QBarSeries* barSeries = static_cast<QBarSeries*>(series); | ||
| qreal x = barSeries->categoryCount(); | ||||
| qreal y = barSeries->max(); | ||||
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r701 | minX = qMin(minX, x); | ||
| minY = qMin(minY, y); | ||||
| maxX = qMax(maxX, x); | ||||
| maxY = qMax(maxY, y); | ||||
| tickXCount = x+1; | ||||
| setupCategories(barSeries); | ||||
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r439 | break; | ||
| } | ||||
| case QSeries::SeriesTypeStackedBar: { | ||||
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r701 | |||
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r439 | QStackedBarSeries* stackedBarSeries = static_cast<QStackedBarSeries*>(series); | ||
| qreal x = stackedBarSeries->categoryCount(); | ||||
| qreal y = stackedBarSeries->maxCategorySum(); | ||||
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r701 | minX = qMin(minX, x); | ||
| minY = qMin(minY, y); | ||||
| maxX = qMax(maxX, x); | ||||
| maxY = qMax(maxY, y); | ||||
| tickXCount = x+1; | ||||
| setupCategories(stackedBarSeries); | ||||
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r439 | break; | ||
| } | ||||
| case QSeries::SeriesTypePercentBar: { | ||||
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r701 | |||
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r439 | QPercentBarSeries* percentBarSeries = static_cast<QPercentBarSeries*>(series); | ||
| qreal x = percentBarSeries->categoryCount(); | ||||
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Michal Klocek
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r701 | minX = qMin(minX, x); | ||
| maxX = qMax(maxX, x); | ||||
| minY = 0; | ||||
| maxY = 100; | ||||
| setupCategories(percentBarSeries); | ||||
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r439 | break; | ||
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Marek Rosa
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r418 | } | ||
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Michal Klocek
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r411 | |||
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Michal Klocek
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r439 | case QSeries::SeriesTypePie: { | ||
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r609 | //QPieSeries *pieSeries = static_cast<QPieSeries *>(series); | ||
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Michal Klocek
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r439 | // TODO: domain stuff | ||
| break; | ||||
| } | ||||
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r411 | |||
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r223 | |||
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r439 | default: { | ||
| qDebug()<<__FUNCTION__<<"type" << series->type()<<"not supported"; | ||||
| return; | ||||
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r223 | } | ||
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r439 | |||
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r139 | } | ||
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r701 | |||
| domain->setRangeX(minX,maxX,tickXCount); | ||||
| domain->setRangeY(minY,maxY,tickYCount); | ||||
| } | ||||
| void ChartDataSet::setupCategories(QBarSeries* series) | ||||
| { | ||||
| QChartAxisCategories* categories = axisX()->categories(); | ||||
| categories->clear(); | ||||
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r703 | categories->insert(series->categories()); | ||
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Michal Klocek
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r139 | } | ||
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r439 | void ChartDataSet::zoomInDomain(const QRectF& rect, const QSizeF& size) | ||
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Michal Klocek
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r139 | { | ||
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r771 | QMapIterator<QChartAxis*, Domain*> i(m_axisDomainMap); | ||
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r439 | while (i.hasNext()) { | ||
| i.next(); | ||||
| i.value()->zoomIn(rect,size); | ||||
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r223 | } | ||
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r439 | } | ||
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r223 | |||
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r439 | void ChartDataSet::zoomOutDomain(const QRectF& rect, const QSizeF& size) | ||
| { | ||||
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r771 | QMapIterator<QChartAxis*, Domain*> i(m_axisDomainMap); | ||
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r439 | while (i.hasNext()) { | ||
| i.next(); | ||||
| i.value()->zoomOut(rect,size); | ||||
| } | ||||
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Michal Klocek
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r223 | } | ||
|
Tero Ahola
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r825 | int ChartDataSet::seriesIndex(QSeries *series) const | ||
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Tero Ahola
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r538 | { | ||
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Tero Ahola
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r825 | for (int i(0); i < m_seriesAxisList.count(); i++) { | ||
| QPair<QSeries *, QChartAxis *> pair = m_seriesAxisList.at(i); | ||||
| if (pair.first == series) | ||||
| return i; | ||||
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Tero Ahola
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r538 | } | ||
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Tero Ahola
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r825 | return -1; | ||
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Tero Ahola
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r538 | } | ||
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Michal Klocek
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r360 | QChartAxis* ChartDataSet::axisY(QSeries* series) const | ||
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Michal Klocek
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r223 | { | ||
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Tero Ahola
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r825 | if (series == 0) | ||
| return m_axisY; | ||||
| return m_seriesAxisList.at(seriesIndex(series)).second; | ||||
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Michal Klocek
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r223 | } | ||
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Michal Klocek
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r439 | Domain* ChartDataSet::domain(QSeries* series) const | ||
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Michal Klocek
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r223 | { | ||
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Tero Ahola
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r825 | QChartAxis* axis = m_seriesAxisList.at(seriesIndex(series)).second; | ||
| if (axis) | ||||
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Michal Klocek
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r439 | return m_axisDomainMap.value(axis); | ||
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Tero Ahola
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r825 | return 0; | ||
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Michal Klocek
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r223 | } | ||
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r439 | Domain* ChartDataSet::domain(QChartAxis* axis) const | ||
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r223 | { | ||
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r771 | if(!axis || axis==axisX()) { | ||
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r444 | return m_axisDomainMap.value(axisY()); | ||
| } | ||||
| else { | ||||
| return m_axisDomainMap.value(axis); | ||||
| } | ||||
|
Michal Klocek
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r223 | } | ||
|
Michal Klocek
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r531 | void ChartDataSet::scrollDomain(int dx,int dy,const QSizeF& size) | ||
| { | ||||
| QMapIterator<QChartAxis*, Domain*> i( m_axisDomainMap); | ||||
| while (i.hasNext()) { | ||||
| i.next(); | ||||
| i.value()->move(dx,dy,size); | ||||
| } | ||||
| } | ||||
|
Michal Klocek
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r131 | #include "moc_chartdataset_p.cpp" | ||
| QTCOMMERCIALCHART_END_NAMESPACE | ||||