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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 "qcategoryaxis.h"
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#include "qcategoryaxis_p.h"
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#include "chartcategoryaxisx_p.h"
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#include "chartcategoryaxisy_p.h"
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#include <qmath.h>
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#include <QDebug>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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/*!
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\class QCategoryAxis
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\brief The QCategoryAxis class is used for manipulating chart's axis.
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\mainclass
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*/
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/*!
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\qmlclass CategoryAxis QCategoryAxis
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\brief The Axis element is used for manipulating chart's axes.
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*/
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/*!
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Constructs an axis object which is a child of \a parent.
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*/
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QCategoryAxis::QCategoryAxis(QObject *parent):
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QValueAxis(*new QCategoryAxisPrivate(this),parent)
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{
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}
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/*!
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Destroys the object
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*/
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QCategoryAxis::~QCategoryAxis()
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{
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// Q_D(QValueAxis);
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// if(d->m_dataset) {
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// d->m_dataset->removeAxis(this);
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// }
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}
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/*!
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\internal
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*/
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QCategoryAxis::QCategoryAxis(QCategoryAxisPrivate &d,QObject *parent):QValueAxis(d,parent)
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{
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}
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/*!
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Appends new interval to the axis with an \a intervalLabel.
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Interval label has to be unique.
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Parameter \a intervalEnd specifies the high end limit of the interval.
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It has to be greater than the high end limit of the previous interval.
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Otherwise the method returns without adding a new interval.
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*/
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void QCategoryAxis::append(const QString& intervalLabel, qreal intervalEnd)
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{
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Q_D(QCategoryAxis);
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if (!d->m_intervals.contains(intervalLabel))
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{
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if(d->m_intervals.isEmpty()){
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Range range(d->m_categoryMinimum, intervalEnd);
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d->m_intervalsMap.insert(intervalLabel, range);
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d->m_intervals.append(intervalLabel);
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}else if (intervalEnd > intervalMax(d->m_intervals.last())){
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Range range = d->m_intervalsMap.value(d->m_intervals.last());
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d->m_intervalsMap.insert(intervalLabel, Range(range.second, intervalEnd));
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d->m_intervals.append(intervalLabel);
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}
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}
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}
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/*!
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Sets to \a min the low end limit of the first interval on the axis.
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*/
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void QCategoryAxis::setFisrtIntervalMinimum(qreal min)
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{
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Q_D(QCategoryAxis);
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if(d->m_intervals.isEmpty()){
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d->m_categoryMinimum = min;
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}else{
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Range range = d->m_intervalsMap.value(d->m_intervals.first());
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d->m_intervalsMap.insert(d->m_intervals.first(), Range(min, range.second));
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}
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}
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/*!
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Returns the low end limit of the interval specified by an \a intervalLabel
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*/
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qreal QCategoryAxis::intervalMin(const QString& intervalLabel) const
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{
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Q_D(const QCategoryAxis);
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return d->m_intervalsMap.value(intervalLabel).first;
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}
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/*!
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Returns the high end limit of the interval specified by an \a intervalLabel
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*/
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qreal QCategoryAxis::intervalMax(const QString& intervalLabel) const
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{
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Q_D(const QCategoryAxis);
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return d->m_intervalsMap.value(intervalLabel).second;
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}
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/*!
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Removes an interval specified by the \a intervalLabel from the axis
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*/
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void QCategoryAxis::remove(const QString &intervalLabel)
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{
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Q_D(QCategoryAxis);
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int labelIndex = d->m_intervals.indexOf(intervalLabel);
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// check if such label exists
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if (labelIndex != -1) {
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d->m_intervals.removeAt(labelIndex);
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d->m_intervalsMap.remove(intervalLabel);
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// the range of the interval that follows (if exists) needs to be updated
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if (labelIndex < d->m_intervals.count()) {
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QString label = d->m_intervals.at(labelIndex);
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Range range = d->m_intervalsMap.value(label);
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// set the range
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if (labelIndex == 0) {
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range.first = d->m_categoryMinimum;
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d->m_intervalsMap.insert(label, range);
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} else {
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range.first = d->m_intervalsMap.value(d->m_intervals.at(labelIndex - 1)).second;
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d->m_intervalsMap.insert(label, range);
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}
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}
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d->emitUpdated();
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}
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}
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/*!
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Replaces \a oldLabel of an existing interval with a \a newLabel
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If the old label does not exist the method returns without making any changes.
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*/
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void QCategoryAxis::replaceLabel(const QString& oldLabel, const QString& newLabel)
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{
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Q_D(QCategoryAxis);
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int labelIndex = d->m_intervals.indexOf(oldLabel);
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// check if such label exists
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if (labelIndex != -1) {
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d->m_intervals.replace(labelIndex, newLabel);
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Range range = d->m_intervalsMap.value(oldLabel);
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d->m_intervalsMap.remove(oldLabel);
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d->m_intervalsMap.insert(newLabel, range);
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d->emitUpdated();
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}
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}
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/*!
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Returns the list of the intervals labels
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*/
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QStringList QCategoryAxis::intervalsLabels()
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{
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Q_D(QCategoryAxis);
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return d->m_intervals;
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}
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/*!
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Returns number of intervals.
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*/
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int QCategoryAxis::count() const
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{
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Q_D(const QCategoryAxis);
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return d->m_intervals.count();
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}
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/*!
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Returns the type of the axis
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*/
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QAbstractAxis::AxisType QCategoryAxis::type() const
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{
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return QAbstractAxis::AxisTypeIntervals;
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}
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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QCategoryAxisPrivate::QCategoryAxisPrivate(QCategoryAxis* q):
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QValueAxisPrivate(q),
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m_categoryMinimum(0)
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{
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}
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QCategoryAxisPrivate::~QCategoryAxisPrivate()
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{
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}
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int QCategoryAxisPrivate::ticksCount() const
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{
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return m_intervals.count() + 1;
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}
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void QCategoryAxisPrivate::handleAxisRangeChanged(qreal min, qreal max,int count)
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{
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Q_UNUSED(count);
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Q_UNUSED(min);
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Q_UNUSED(max);
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//m_min = min;
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//m_max = max;
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}
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ChartAxis* QCategoryAxisPrivate::createGraphics(ChartPresenter* presenter)
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{
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Q_Q(QCategoryAxis);
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if(m_orientation == Qt::Vertical){
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return new ChartCategoryAxisY(q,presenter);
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}else{
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return new ChartCategoryAxisX(q,presenter);
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}
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}
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#include "moc_qcategoryaxis.cpp"
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#include "moc_qcategoryaxis_p.cpp"
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QTCOMMERCIALCHART_END_NAMESPACE
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