qintervalsaxis.cpp
245 lines
| 6.5 KiB
| text/x-c
|
CppLexer
Marek Rosa
|
r1701 | /**************************************************************************** | ||
| ** | ||||
| ** 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 | ||||
| ** $QT_END_LICENSE$ | ||||
| ** | ||||
| ****************************************************************************/ | ||||
| #include "qintervalsaxis.h" | ||||
| #include "qintervalsaxis_p.h" | ||||
| #include "chartintervalsaxisx_p.h" | ||||
| #include "chartintervalsaxisy_p.h" | ||||
| #include <qmath.h> | ||||
| #include <QDebug> | ||||
| QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
| /*! | ||||
| \internal | ||||
| \class QIntervalsAxis | ||||
| \brief The QIntervalsAxis class is used for manipulating chart's axis. | ||||
| \mainclass | ||||
| Axis can be setup to show axis line with tick marks, grid lines and shades. | ||||
| */ | ||||
| /*! | ||||
| \qmlclass Axis QIntervalsAxis | ||||
| \brief The Axis element is used for manipulating chart's axes. | ||||
| Axis can be setup to show axis line with tick marks, grid lines and shades. | ||||
| To access Axes you can use ChartView API. For example: | ||||
| \code | ||||
| // TODO :) | ||||
| \endcode | ||||
| */ | ||||
| /*! | ||||
| Constructs an axis object which is a child of \a parent. | ||||
| */ | ||||
| QIntervalsAxis::QIntervalsAxis(QObject *parent): | ||||
| QValuesAxis(*new QIntervalsAxisPrivate(this),parent) | ||||
| { | ||||
| } | ||||
| /*! | ||||
| Destroys the object | ||||
| */ | ||||
| QIntervalsAxis::~QIntervalsAxis() | ||||
| { | ||||
|
Marek Rosa
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r1777 | // Q_D(QValuesAxis); | ||
| // if(d->m_dataset) { | ||||
| // d->m_dataset->removeAxis(this); | ||||
| // } | ||||
|
Marek Rosa
|
r1701 | } | ||
| /*! | ||||
| \internal | ||||
| */ | ||||
| QIntervalsAxis::QIntervalsAxis(QIntervalsAxisPrivate &d,QObject *parent):QValuesAxis(d,parent) | ||||
| { | ||||
| } | ||||
| /*! | ||||
|
Marek Rosa
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r1731 | Appends new interval to the axis with an \a intervalLabel. | ||
|
Marek Rosa
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r1799 | Interval label has to be unique. | ||
|
Marek Rosa
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r1731 | Parameter \a interval specifies the high end limit of the interval. | ||
|
Marek Rosa
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r1799 | It has to be greater than the high end limit of the previous interval. | ||
| Otherwise the method returns without adding a new interval. | ||||
|
Marek Rosa
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r1701 | */ | ||
|
Marek Rosa
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r1799 | void QIntervalsAxis::append(const QString& intervalLabel, qreal intervalEnd) | ||
|
Marek Rosa
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r1701 | { | ||
| Q_D(QIntervalsAxis); | ||||
|
Marek Rosa
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r1708 | |||
|
Marek Rosa
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r1701 | if (!d->m_intervals.contains(intervalLabel)) | ||
| { | ||||
| if(d->m_intervals.isEmpty()){ | ||||
|
Marek Rosa
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r1799 | Range range(d->m_categoryMinimum, intervalEnd); | ||
|
Marek Rosa
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r1701 | d->m_intervalsMap.insert(intervalLabel, range); | ||
| d->m_intervals.append(intervalLabel); | ||||
|
Marek Rosa
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r1799 | }else if (intervalEnd > intervalMax(d->m_intervals.last())){ | ||
|
Marek Rosa
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r1701 | Range range = d->m_intervalsMap.value(d->m_intervals.last()); | ||
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Marek Rosa
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r1799 | d->m_intervalsMap.insert(intervalLabel, Range(range.second, intervalEnd)); | ||
|
Marek Rosa
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r1701 | d->m_intervals.append(intervalLabel); | ||
|
Marek Rosa
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r1708 | } | ||
|
Marek Rosa
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r1701 | } | ||
| } | ||||
|
Marek Rosa
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r1731 | /*! | ||
| Sets to \a min the low end limit of the first interval on the axis. | ||||
| */ | ||||
|
Marek Rosa
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r1701 | void QIntervalsAxis::setFisrtIntervalMinimum(qreal min) | ||
| { | ||||
|
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r1708 | Q_D(QIntervalsAxis); | ||
| if(d->m_intervals.isEmpty()){ | ||||
| d->m_categoryMinimum = min; | ||||
| }else{ | ||||
| Range range = d->m_intervalsMap.value(d->m_intervals.first()); | ||||
| d->m_intervalsMap.insert(d->m_intervals.first(), Range(min, range.second)); | ||||
| } | ||||
|
Marek Rosa
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r1701 | } | ||
|
Marek Rosa
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r1731 | /*! | ||
| Returns the low end limit of the interval specified by an \a intervalLabel | ||||
| */ | ||||
|
Marek Rosa
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r1701 | qreal QIntervalsAxis::intervalMin(const QString& intervalLabel) const | ||
| { | ||||
| Q_D(const QIntervalsAxis); | ||||
| return d->m_intervalsMap.value(intervalLabel).first; | ||||
| } | ||||
|
Marek Rosa
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r1731 | /*! | ||
| Returns the high end limit of the interval specified by an \a intervalLabel | ||||
| */ | ||||
|
Marek Rosa
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r1701 | qreal QIntervalsAxis::intervalMax(const QString& intervalLabel) const | ||
| { | ||||
| Q_D(const QIntervalsAxis); | ||||
| return d->m_intervalsMap.value(intervalLabel).second; | ||||
| } | ||||
| /*! | ||||
|
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r1731 | Removes \a interval from axis | ||
|
Marek Rosa
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r1701 | */ | ||
| void QIntervalsAxis::remove(const QString &intervalLabel) | ||||
| { | ||||
|
Marek Rosa
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r1708 | Q_D(QIntervalsAxis); | ||
| int labelIndex = d->m_intervals.indexOf(intervalLabel); | ||||
| // check if such label exists | ||||
| if (labelIndex != -1) { | ||||
| d->m_intervals.removeAt(labelIndex); | ||||
| d->m_intervalsMap.remove(intervalLabel); | ||||
| // the range of the interval that follows (if exists) needs to be updated | ||||
| if (labelIndex < d->m_intervals.count()) { | ||||
| QString label = d->m_intervals.at(labelIndex); | ||||
| Range range = d->m_intervalsMap.value(label); | ||||
| // set the range | ||||
| if (labelIndex == 0) { | ||||
| range.first = d->m_categoryMinimum; | ||||
| d->m_intervalsMap.insert(label, range); | ||||
| } else { | ||||
| range.first = d->m_intervalsMap.value(d->m_intervals.at(labelIndex - 1)).second; | ||||
| d->m_intervalsMap.insert(label, range); | ||||
| } | ||||
| } | ||||
|
Marek Rosa
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r1777 | d->emitUpdated(); | ||
|
Marek Rosa
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r1708 | } | ||
|
Marek Rosa
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r1701 | } | ||
|
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r1799 | void QIntervalsAxis::replaceLabel(const QString& oldLabel, const QString& newLabel) | ||
|
Marek Rosa
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r1777 | { | ||
| Q_D(QIntervalsAxis); | ||||
| int labelIndex = d->m_intervals.indexOf(oldLabel); | ||||
| // check if such label exists | ||||
| if (labelIndex != -1) { | ||||
| d->m_intervals.replace(labelIndex, newLabel); | ||||
| Range range = d->m_intervalsMap.value(oldLabel); | ||||
| d->m_intervalsMap.remove(oldLabel); | ||||
| d->m_intervalsMap.insert(newLabel, range); | ||||
| d->emitUpdated(); | ||||
| } | ||||
| } | ||||
|
Marek Rosa
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r1701 | QStringList QIntervalsAxis::intervalsLabels() | ||
| { | ||||
| Q_D(QIntervalsAxis); | ||||
| return d->m_intervals; | ||||
| } | ||||
| /*! | ||||
|
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r1799 | Returns number of intervals. | ||
|
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r1701 | */ | ||
| int QIntervalsAxis::count() const | ||||
| { | ||||
| Q_D(const QIntervalsAxis); | ||||
| return d->m_intervals.count(); | ||||
| } | ||||
| /*! | ||||
| Returns the type of the axis | ||||
| */ | ||||
| QAbstractAxis::AxisType QIntervalsAxis::type() const | ||||
| { | ||||
|
Marek Rosa
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r1708 | return QAbstractAxis::AxisTypeIntervals; | ||
|
Marek Rosa
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r1701 | } | ||
| ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// | ||||
| QIntervalsAxisPrivate::QIntervalsAxisPrivate(QIntervalsAxis* q): | ||||
| QValuesAxisPrivate(q), | ||||
| m_categoryMinimum(0) | ||||
| { | ||||
| } | ||||
| QIntervalsAxisPrivate::~QIntervalsAxisPrivate() | ||||
| { | ||||
| } | ||||
| int QIntervalsAxisPrivate::ticksCount() const | ||||
| { | ||||
| return m_intervals.count() + 1; | ||||
| } | ||||
| void QIntervalsAxisPrivate::handleAxisRangeChanged(qreal min, qreal max,int count) | ||||
| { | ||||
| Q_UNUSED(count); | ||||
Michal Klocek
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r1725 | Q_UNUSED(min); | ||
| Q_UNUSED(max); | ||||
| //m_min = min; | ||||
| //m_max = max; | ||||
|
Marek Rosa
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r1701 | } | ||
| ChartAxis* QIntervalsAxisPrivate::createGraphics(ChartPresenter* presenter) | ||||
| { | ||||
| Q_Q(QIntervalsAxis); | ||||
| if(m_orientation == Qt::Vertical){ | ||||
| return new ChartIntervalAxisY(q,presenter); | ||||
| }else{ | ||||
| return new ChartIntervalAxisX(q,presenter); | ||||
| } | ||||
| } | ||||
| #include "moc_qintervalsaxis.cpp" | ||||
| #include "moc_qintervalsaxis_p.cpp" | ||||
| QTCOMMERCIALCHART_END_NAMESPACE | ||||