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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 "qvaluesaxis.h"
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#include "qvaluesaxis_p.h"
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#include "chartvaluesaxisx_p.h"
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#include "chartvaluesaxisy_p.h"
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#include "domain_p.h"
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#include <QDebug>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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/*!
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\class QValuesAxis
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\brief The QValuesAxis class is used for manipulating chart's axis.
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\mainclass
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ValuesAxis can be setup to show axis line with tick marks, grid lines and shades.
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Values of axis are drawn to position of ticks
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*/
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/*!
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\qmlclass ValuesAxis QValuesAxis
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\brief The ValuesAxis element is used for manipulating chart's axes
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ValueAxis can be setup to show axis line with tick marks, grid lines and shades.
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Values of axis are drawn to position of ticks
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To access Axes you can use ChartView API. For example:
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\code
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ChartView {
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ValuesAxis {
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id: xAxis
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min: 0
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max: 10
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}
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// Add a few series...
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}
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\endcode
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*/
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/*!
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\property QValuesAxis::min
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Defines the minimum value on the axis.
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*/
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/*!
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\qmlproperty real ValuesAxis::min
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Defines the minimum value on the axis.
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*/
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/*!
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\property QValuesAxis::max
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Defines the maximum value on the axis.
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*/
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/*!
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\qmlproperty real ValuesAxis::max
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Defines the maximum value on the axis.
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*/
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/*!
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\fn void QValuesAxis::minChanged(qreal min)
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Axis emits signal when \a min of axis has changed.
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*/
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/*!
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\qmlsignal ValuesAxis::onMinChanged(real min)
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Axis emits signal when \a min of axis has changed.
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*/
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/*!
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\fn void QValuesAxis::maxChanged(qreal max)
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Axis emits signal when \a max of axis has changed.
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*/
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/*!
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\qmlsignal ValuesAxis::onMaxChanged(real max)
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Axis emits signal when \a max of axis has changed.
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*/
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/*!
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\fn void QValuesAxis::rangeChanged(qreal min, qreal max)
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Axis emits signal when \a min or \a max of axis has changed.
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*/
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/*!
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\property QValuesAxis::ticksCount
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The number of tick marks for the axis.
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*/
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/*!
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\qmlproperty int ValuesAxis::ticksCount
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The number of tick marks for the axis.
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*/
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/*!
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\property QValuesAxis::niceNumbersEnabled
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Whether the nice numbers algorithm is enabled or not for the axis.
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*/
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/*!
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\qmlproperty bool ValuesAxis::niceNumbersEnabled
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Whether the nice numbers algorithm is enabled or not for the axis.
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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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QValuesAxis::QValuesAxis(QObject *parent) :
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QAbstractAxis(*new QValuesAxisPrivate(this),parent)
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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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QValuesAxis::QValuesAxis(QValuesAxisPrivate &d,QObject *parent) : QAbstractAxis(d,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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QValuesAxis::~QValuesAxis()
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{
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}
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void QValuesAxis::setMin(qreal min)
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{
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Q_D(QValuesAxis);
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setRange(min,d->m_max);
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}
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qreal QValuesAxis::min() const
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{
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Q_D(const QValuesAxis);
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return d->m_min;
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}
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void QValuesAxis::setMax(qreal max)
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{
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Q_D(QValuesAxis);
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setRange(d->m_min,max);
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}
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qreal QValuesAxis::max() const
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{
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Q_D(const QValuesAxis);
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return d->m_max;
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}
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/*!
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Sets range from \a min to \a max on the axis.
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*/
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void QValuesAxis::setRange(qreal min, qreal max)
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{
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Q_D(QValuesAxis);
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bool changed = false;
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if (!qFuzzyIsNull(d->m_min - min)) {
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d->m_min = min;
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changed = true;
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emit minChanged(min);
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}
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if (!qFuzzyIsNull(d->m_max - max)) {
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d->m_max = max;
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changed = true;
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emit maxChanged(max);
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}
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if (changed) {
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d->emitRange();
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emit rangeChanged(d->m_min,d->m_max);
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}
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}
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/*!
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Sets \a count for ticks on the axis.
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*/
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void QValuesAxis::setTicksCount(int count)
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{
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Q_D(QValuesAxis);
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if (d->m_ticksCount != count) {
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d->m_ticksCount = count;
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emit d->changed(d->m_min, d->m_max, d->m_ticksCount, d->m_niceNumbers);
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}
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}
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/*!
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\fn int QValuesAxis::ticksCount() const
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Return number of ticks on the axis
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*/
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int QValuesAxis::ticksCount() const
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{
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Q_D(const QValuesAxis);
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return d->m_ticksCount;
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}
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void QValuesAxis::setNiceNumbersEnabled(bool enable)
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{
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Q_D(QValuesAxis);
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if (d->m_niceNumbers != enable){
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d->m_niceNumbers = enable;
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emit d->changed(d->m_min, d->m_max, d->m_ticksCount, d->m_niceNumbers);
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}
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}
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bool QValuesAxis::niceNumbersEnabled() const
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{
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Q_D(const QValuesAxis);
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return d->m_niceNumbers;
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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 QValuesAxis::type() const
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{
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return AxisTypeValues;
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}
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/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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QValuesAxisPrivate::QValuesAxisPrivate(QValuesAxis* q):
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QAbstractAxisPrivate(q),
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m_niceNumbers(false)
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{
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}
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QValuesAxisPrivate::~QValuesAxisPrivate()
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{
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}
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void QValuesAxisPrivate::handleAxisRangeChanged(qreal min, qreal max,int count)
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{
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Q_Q(QValuesAxis);
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q->setRange(min,max);
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q->setTicksCount(count);
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}
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void QValuesAxisPrivate::setMin(const QVariant &min)
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{
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Q_Q(QValuesAxis);
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bool ok;
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qreal value = min.toReal(&ok);
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if(ok) q->setMin(value);
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}
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void QValuesAxisPrivate::setMax(const QVariant &max)
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{
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Q_Q(QValuesAxis);
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bool ok;
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qreal value = max.toReal(&ok);
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if(ok) q->setMax(value);
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}
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void QValuesAxisPrivate::setRange(const QVariant &min, const QVariant &max)
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{
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Q_Q(QValuesAxis);
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bool ok1;
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bool ok2;
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qreal value1 = min.toReal(&ok1);
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qreal value2 = max.toReal(&ok2);
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if(ok1&&ok2) q->setRange(value1,value2);
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}
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int QValuesAxisPrivate::ticksCount() const
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{
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return m_ticksCount;
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}
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ChartAxis* QValuesAxisPrivate::createGraphics(ChartPresenter* presenter)
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{
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Q_Q(QValuesAxis);
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if(m_orientation == Qt::Vertical){
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return new ChartValuesAxisY(q,presenter);
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}else{
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return new ChartValuesAxisX(q,presenter);
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}
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}
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void QValuesAxisPrivate::emitRange()
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{
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emit changed(m_min, m_max, m_ticksCount, m_niceNumbers);
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}
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void QValuesAxisPrivate::initialize(Domain* domain)
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{
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if(qFuzzyCompare(m_max,m_min)) {
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if(m_orientation==Qt::Vertical){
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handleAxisRangeChanged(domain->minY(),domain->maxY(),domain->tickXCount());
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}else{
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handleAxisRangeChanged(domain->minX(),domain->maxX(),domain->tickYCount());
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}
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}
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}
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#include "moc_qvaluesaxis.cpp"
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#include "moc_qvaluesaxis_p.cpp"
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QTCOMMERCIALCHART_END_NAMESPACE
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