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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 "chartdataset_p.h"
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#include "qchart.h"
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#include "qvalueaxis.h"
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#include "qbarcategoryaxis.h"
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#include "qvalueaxis_p.h"
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#include "qcategoryaxis.h"
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#include "qabstractseries_p.h"
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#include "qabstractbarseries.h"
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#include "qstackedbarseries.h"
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#include "qpercentbarseries.h"
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#include "qpieseries.h"
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#ifndef QT_ON_ARM
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#include "qdatetimeaxis.h"
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#endif
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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ChartDataSet::ChartDataSet(QChart *parent): QObject(parent)
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{
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}
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ChartDataSet::~ChartDataSet()
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{
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removeAllSeries();
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}
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void ChartDataSet::addSeries(QAbstractSeries* series)
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{
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Domain* domain = m_seriesDomainMap.value(series);
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if (domain) {
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qWarning() << "Can not add series. Series already on the chart";
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return;
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}
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domain = new Domain(series);
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m_seriesDomainMap.insert(series, domain);
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series->d_ptr->scaleDomain(*domain);
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createSeriesIndex(series);
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series->setParent(this); // take ownership
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series->d_ptr->m_chart = qobject_cast<QChart*>(parent());
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series->d_ptr->m_dataset = this;
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emit seriesAdded(series, domain);
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}
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void ChartDataSet::removeSeries(QAbstractSeries* series)
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{
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if (!m_seriesDomainMap.contains(series)) {
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qWarning() << "Can not remove series. Series not found on the chart.";
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return;
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}
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emit seriesRemoved(series);
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Domain* domain = m_seriesDomainMap.take(series);
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delete domain;
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domain = 0;
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removeSeriesIndex(series);
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series->setParent(0);
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series->d_ptr->m_chart = 0;
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series->d_ptr->m_dataset = 0;
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removeAxes(series);
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}
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void ChartDataSet::createSeriesIndex(QAbstractSeries* series)
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{
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QMapIterator<int, QAbstractSeries*> i(m_indexSeriesMap);
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int key = 0;
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while (i.hasNext()) {
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i.next();
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if (i.key() != key)
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break;
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key++;
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}
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m_indexSeriesMap.insert(key, series);
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}
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void ChartDataSet::removeSeriesIndex(QAbstractSeries* series)
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{
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int key = seriesIndex(series);
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Q_ASSERT(key != -1);
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m_indexSeriesMap.remove(key);
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}
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void ChartDataSet::createDefaultAxes()
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{
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if (m_seriesDomainMap.isEmpty())
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return;
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QAbstractAxis::AxisTypes typeX(0);
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QAbstractAxis::AxisTypes typeY(0);
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// Remove possibly existing axes
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QMapIterator<QAbstractSeries*, Domain*> i(m_seriesDomainMap);
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while (i.hasNext()) {
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i.next();
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removeAxes(i.key());
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}
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i.toFront();
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// Select the required axis x and axis y types based on the types of the current series
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while (i.hasNext()) {
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i.next();
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QAbstractAxis* axisX = m_seriesAxisXMap.value(i.key());
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QAbstractAxis* axisY = m_seriesAxisYMap.value(i.key());
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if (axisX)
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typeX &= axisX->type();
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else
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typeX |= i.key()->d_ptr->defaultAxisType(Qt::Horizontal);
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if (axisY)
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typeY &= axisY->type();
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else
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typeY |= i.key()->d_ptr->defaultAxisType(Qt::Vertical);
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}
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// Create the axes of the types selected
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createAxes(typeX, Qt::Horizontal);
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createAxes(typeY, Qt::Vertical);
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}
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void ChartDataSet::createAxes(QAbstractAxis::AxisTypes type, Qt::Orientation orientation)
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{
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QMapIterator<QAbstractSeries*, Domain*> i(m_seriesDomainMap);
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// TODO: Add a descriptive comment of what happens here
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if (type.testFlag(QAbstractAxis::AxisTypeValue) && type.testFlag(QAbstractAxis::AxisTypeBarCategory)) {
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while (i.hasNext()) {
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i.next();
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QAbstractAxis* axis = createAxis(i.key()->d_ptr->defaultAxisType(orientation), orientation);
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if (axis) {
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initializeAxis(axis, i.key());
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emit axisAdded(axis, i.value());
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}
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}
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} else if (!type.testFlag(QAbstractAxis::AxisTypeNoAxis)) {
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QAbstractAxis* axis = createAxis(QAbstractAxis::AxisType(int(type)), orientation);
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i.toFront();
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while (i.hasNext()) {
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i.next();
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initializeAxis(axis, i.key());
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}
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emit axisAdded(axis, i.value());
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}
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}
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QAbstractAxis* ChartDataSet::createAxis(QAbstractAxis::AxisType type, Qt::Orientation orientation)
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{
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QAbstractAxis* axis = 0;
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switch (type) {
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case QAbstractAxis::AxisTypeValue:
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axis = new QValueAxis(this);
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break;
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case QAbstractAxis::AxisTypeBarCategory:
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axis = new QBarCategoryAxis(this);
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break;
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case QAbstractAxis::AxisTypeCategory:
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axis = new QCategoryAxis(this);
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break;
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#ifndef Q_WS_QWS
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case QAbstractAxis::AxisTypeDateTime:
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axis = new QDateTimeAxis(this);
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break;
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#endif
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default:
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axis = 0;
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break;
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}
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if (axis)
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axis->d_ptr->setOrientation(orientation);
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return axis;
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}
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void ChartDataSet::initializeAxis(QAbstractAxis* axis, QAbstractSeries* series)
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{
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Domain* domain = m_seriesDomainMap.value(series);
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axis->d_ptr->m_dataset = this;
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series->d_ptr->initializeAxis(axis);
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axis->d_ptr->intializeDomain(domain);
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if (axis->orientation() == Qt::Horizontal) {
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QObject::connect(axis->d_ptr.data(), SIGNAL(updated()), domain, SLOT(handleAxisUpdated()));
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QObject::connect(domain, SIGNAL(updated()), axis->d_ptr.data(), SLOT(handleDomainUpdated()));
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m_seriesAxisXMap.insert(series, axis);
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} else {
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QObject::connect(axis->d_ptr.data(), SIGNAL(updated()), domain, SLOT(handleAxisUpdated()));
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QObject::connect(domain, SIGNAL(updated()), axis->d_ptr.data(), SLOT(handleDomainUpdated()));
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m_seriesAxisYMap.insert(series, axis);
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}
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axis->d_ptr->emitUpdated();
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}
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void ChartDataSet::removeAxes(QAbstractSeries* series)
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{
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QAbstractAxis* axisX = m_seriesAxisXMap.take(series);
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if (axisX) {
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QList<QAbstractAxis*> axesX = m_seriesAxisXMap.values();
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int x = axesX.indexOf(axisX);
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if (x == -1) {
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emit axisRemoved(axisX);
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axisX->d_ptr->m_dataset = 0;
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axisX->deleteLater();
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}
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}
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QAbstractAxis* axisY = m_seriesAxisYMap.take(series);
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if (axisY) {
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QList<QAbstractAxis*> axesY = m_seriesAxisYMap.values();
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int y = axesY.indexOf(axisY);
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if (y == -1) {
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emit axisRemoved(axisY);
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axisY->d_ptr->m_dataset = 0;
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axisY->deleteLater();
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}
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}
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}
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void ChartDataSet::removeAxis(QAbstractAxis* axis)
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{
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if (!axis->d_ptr->m_dataset) {
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qWarning() << "UnBound axis found !";
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return;
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}
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QMap<QAbstractSeries*, QAbstractAxis*> *seriesAxisMap;
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if (axis->orientation() == Qt::Vertical)
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seriesAxisMap = &m_seriesAxisYMap;
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else
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seriesAxisMap = &m_seriesAxisXMap;
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QMapIterator<QAbstractSeries*, QAbstractAxis*> i(*seriesAxisMap);
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while (i.hasNext()) {
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i.next();
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if (i.value() == axis)
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removeSeries(i.key());
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}
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}
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void ChartDataSet::removeAllSeries()
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{
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QList<QAbstractSeries*> series = m_seriesDomainMap.keys();
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foreach (QAbstractSeries *s , series)
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removeSeries(s);
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Q_ASSERT(m_seriesAxisXMap.count() == 0);
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Q_ASSERT(m_seriesAxisXMap.count() == 0);
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Q_ASSERT(m_seriesDomainMap.count() == 0);
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qDeleteAll(series);
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}
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void ChartDataSet::zoomInDomain(const QRectF& rect, const QSizeF& size)
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{
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//for performance reasons block, signals and scale "full" domain one by one. Gives twice less screen updates
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blockAxisSignals(true);
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QMapIterator<QAbstractSeries*, Domain*> i(m_seriesDomainMap);
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while (i.hasNext()) {
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i.next();
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i.value()->zoomIn(rect, size);
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}
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blockAxisSignals(false);
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}
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void ChartDataSet::zoomOutDomain(const QRectF& rect, const QSizeF& size)
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{
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//for performance reasons block, signals and scale "full" domain one by one. Gives twice less screen updates
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blockAxisSignals(true);
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QMapIterator<QAbstractSeries*, Domain*> i(m_seriesDomainMap);
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while (i.hasNext()) {
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i.next();
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i.value()->zoomOut(rect, size);
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}
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blockAxisSignals(false);
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}
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void ChartDataSet::blockAxisSignals(bool enabled)
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{
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QMapIterator<QAbstractSeries*, Domain*> i(m_seriesDomainMap);
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while (i.hasNext()) {
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i.next();
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QAbstractAxis* axisX = m_seriesAxisXMap.value(i.key());
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QAbstractAxis* axisY = m_seriesAxisYMap.value(i.key());
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if (axisX) {
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axisX->d_ptr->blockSignals(enabled);
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if (!enabled) {
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axisX->d_ptr->setDirty(false);
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axisX->d_ptr->emitUpdated();
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}
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}
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if (axisY) {
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axisY->d_ptr->blockSignals(enabled);
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if (!enabled) {
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axisY->d_ptr->setDirty(false);
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axisY->d_ptr->emitUpdated();
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}
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}
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}
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}
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int ChartDataSet::seriesCount(QAbstractSeries::SeriesType type)
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{
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int count = 0;
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QMapIterator<QAbstractSeries*, Domain*> i(m_seriesDomainMap);
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while (i.hasNext()) {
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i.next();
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if (i.key()->type() == type)
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count++;
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}
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return count;
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}
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int ChartDataSet::seriesIndex(QAbstractSeries *series)
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{
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QMapIterator<int, QAbstractSeries*> i(m_indexSeriesMap);
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while (i.hasNext()) {
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i.next();
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if (i.value() == series)
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return i.key();
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}
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return -1;
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}
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QAbstractAxis* ChartDataSet::axisX(QAbstractSeries *series) const
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{
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if (series == 0) {
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QMapIterator<QAbstractSeries*, QAbstractAxis *> i(m_seriesAxisXMap);
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while (i.hasNext()) {
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i.next();
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if (i.value()->isVisible())
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return i.value();
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}
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return 0;
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}
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return m_seriesAxisXMap.value(series);
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}
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QAbstractAxis* ChartDataSet::axisY(QAbstractSeries *series) const
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{
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if (series == 0) {
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QMapIterator<QAbstractSeries*, QAbstractAxis *> i(m_seriesAxisYMap);
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while (i.hasNext()) {
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i.next();
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if (i.value()->isVisible()) return i.value();
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}
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return 0;
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}
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return m_seriesAxisYMap.value(series);
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}
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void ChartDataSet::setAxis(QAbstractSeries *series, QAbstractAxis *axis, Qt::Orientation orientation)
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{
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Q_ASSERT(axis);
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if (!series) {
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qWarning() << "Series not found on the chart.";
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return;
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}
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Domain* domain = m_seriesDomainMap.value(series);
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if (!domain) {
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qWarning() << "Series not found on the chart.";
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return;
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}
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if (orientation == Qt::Horizontal && axis->orientation() == Qt::Vertical) {
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qWarning() << "Axis already defined as axis Y";
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return;
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}
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if (orientation == Qt::Vertical && axis->orientation() == Qt::Horizontal) {
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qWarning() << "Axis already defined as axis X";
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return;
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}
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axis->d_ptr->setOrientation(orientation);
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QMap<QAbstractSeries*, QAbstractAxis*> *seriesAxisMap;
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if (orientation == Qt::Vertical)
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seriesAxisMap = &m_seriesAxisYMap;
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else
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seriesAxisMap = &m_seriesAxisXMap;
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if (seriesAxisMap->value(series) == axis) {
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qWarning() << "The axis already set for the series";
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return;
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}
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QAbstractAxis *oldAxis = seriesAxisMap->take(series);
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QList<QAbstractAxis*> axes = seriesAxisMap->values();
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if (oldAxis) {
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if (axes.indexOf(oldAxis) == -1) {
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emit axisRemoved(oldAxis);
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oldAxis->disconnect();
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QObject::disconnect(domain, 0, oldAxis, 0);
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oldAxis->d_ptr->m_dataset = 0;
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oldAxis->deleteLater();
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}
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}
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if (axes.indexOf(axis) == -1) {
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initializeAxis(axis, series);
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emit axisAdded(axis, domain);
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} else {
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initializeAxis(axis, series);
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}
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}
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Domain* ChartDataSet::domain(QAbstractSeries *series) const
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{
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return m_seriesDomainMap.value(series);
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}
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void ChartDataSet::scrollDomain(qreal dx, qreal dy, const QSizeF& size)
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{
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blockAxisSignals(true);
|
|
|
QMapIterator<QAbstractSeries*, Domain*> i(m_seriesDomainMap);
|
|
|
while (i.hasNext()) {
|
|
|
i.next();
|
|
|
i.value()->move(dx, dy, size);
|
|
|
}
|
|
|
blockAxisSignals(false);
|
|
|
}
|
|
|
|
|
|
QList<QAbstractSeries*> ChartDataSet::series() const
|
|
|
{
|
|
|
return m_seriesDomainMap.keys();
|
|
|
}
|
|
|
/*
|
|
|
void ChartDataSet::updateSeries(QAbstractSeries *series)
|
|
|
{
|
|
|
emit seriesUpdated(series);
|
|
|
}
|
|
|
*/
|
|
|
#include "moc_chartdataset_p.cpp"
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
