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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 "qxyseries.h"
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#include "qxyseries_p.h"
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#include "domain_p.h"
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#include "legendmarker_p.h"
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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/*!
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\class QXYSeries
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\brief The QXYSeries class is a base class for line, spline and scatter series.
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*/
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/*!
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\property QXYSeries::pointsVisible
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Controls if the data points are visible and should be drawn.
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*/
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/*!
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\property QXYSeries::count
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Number of points in the series.
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*/
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/*!
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\fn QPen QXYSeries::pen() const
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\brief Returns pen used to draw points for series.
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\sa setPen()
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*/
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/*!
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\fn QBrush QXYSeries::brush() const
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\brief Returns brush used to draw points for series.
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\sa setBrush()
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*/
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/*!
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\fn void QXYSeries::clicked(const QPointF& point)
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\brief Signal is emitted when user clicks the \a point on chart.
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*/
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/*!
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\fn void QXYSeries::pointReplaced(int index)
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\brief Signal is emitted when user replaces a point at \a index.
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\sa replace()
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*/
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/*!
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\fn void QXYSeries::pointAdded(int index)
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\brief Signal is emitted when user adds a point at \a index.
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\sa append(), insert()
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*/
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/*!
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\fn void QXYSeries::pointRemoved(int index)
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\brief Signal is emitted when user removes a point at \a index.
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\sa remove()
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*/
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/*!
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\fn void QXYSeriesPrivate::updated()
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\brief \internal
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*/
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/*!
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\internal
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Constructs empty series object which is a child of \a parent.
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When series object is added to QChartView or QChart instance ownerships is transferred.
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*/
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QXYSeries::QXYSeries(QXYSeriesPrivate &d,QObject *parent) : QAbstractSeries(d, parent)
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{
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}
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/*!
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Destroys the object. Series added to QChartView or QChart instances are owned by those,
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and are deleted when mentioned object are destroyed.
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*/
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QXYSeries::~QXYSeries()
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{
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}
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/*!
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Adds data point \a x \a y to the series. Points are connected with lines on the chart.
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*/
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void QXYSeries::append(qreal x,qreal y)
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{
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append(QPointF(x,y));
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}
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/*!
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This is an overloaded function.
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Adds data \a point to the series. Points are connected with lines on the chart.
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*/
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void QXYSeries::append(const QPointF &point)
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{
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Q_D(QXYSeries);
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d->m_points<<point;
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// emit d->pointAdded(d->m_points.count()-1);
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emit pointAdded(d->m_points.count()-1);
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}
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/*!
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This is an overloaded function.
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Adds list of data \a points to the series. Points are connected with lines on the chart.
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*/
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void QXYSeries::append(const QList<QPointF> &points)
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{
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foreach(const QPointF& point , points) {
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append(point);
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}
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}
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/*!
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Replaces data point \a oldX \a oldY with data point \a newX \a newY.
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*/
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void QXYSeries::replace(qreal oldX,qreal oldY,qreal newX,qreal newY)
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{
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replace(QPointF(oldX,oldY),QPointF(newX,newY));
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}
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/*!
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Replaces \a oldPoint with \a newPoint.
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*/
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void QXYSeries::replace(const QPointF &oldPoint,const QPointF &newPoint)
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{
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Q_D(QXYSeries);
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int index = d->m_points.indexOf(oldPoint);
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if(index==-1) return;
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d->m_points[index] = newPoint;
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// emit d->pointReplaced(index);
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emit pointReplaced(index);
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}
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/*!
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Removes current \a x and \a y value.
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*/
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void QXYSeries::remove(qreal x,qreal y)
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{
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remove(QPointF(x,y));
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}
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/*!
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Removes current \a point x value.
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Note: point y value is ignored.
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*/
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void QXYSeries::remove(const QPointF &point)
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{
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Q_D(QXYSeries);
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int index = d->m_points.indexOf(point);
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if(index==-1) return;
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d->m_points.remove(index);
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// emit d->pointRemoved(index);
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emit pointRemoved(index);
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}
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/*!
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Inserts a \a point in the series at \a index position.
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*/
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void QXYSeries::insert(int index, const QPointF &point)
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{
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Q_D(QXYSeries);
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d->m_points.insert(index, point);
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// emit d->pointAdded(index);
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emit pointAdded(index);
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}
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/*!
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Removes all points from the series.
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*/
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void QXYSeries::clear()
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{
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Q_D(QXYSeries);
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for (int i = d->m_points.size() - 1; i >= 0; i--)
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remove(d->m_points.at(i));
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}
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/*!
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\internal \a pos
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*/
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QList<QPointF> QXYSeries::points() const
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{
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Q_D(const QXYSeries);
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return d->m_points.toList();
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}
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/*!
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Returns number of data points within series.
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*/
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int QXYSeries::count() const
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{
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Q_D(const QXYSeries);
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return d->m_points.count();
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}
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/*!
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Sets \a pen used for drawing points on the chart. If the pen is not defined, the
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pen from chart theme is used.
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\sa QChart::setTheme()
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*/
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void QXYSeries::setPen(const QPen &pen)
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{
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Q_D(QXYSeries);
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if (d->m_pen!=pen) {
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d->m_pen = pen;
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emit d->updated();
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}
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}
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QPen QXYSeries::pen() const
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{
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Q_D(const QXYSeries);
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return d->m_pen;
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}
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/*!
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Sets \a brush used for drawing points on the chart. If the brush is not defined, brush
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from chart theme setting is used.
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\sa QChart::setTheme()
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*/
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void QXYSeries::setBrush(const QBrush &brush)
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{
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Q_D(QXYSeries);
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if (d->m_brush!=brush) {
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d->m_brush = brush;
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emit d->updated();
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}
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}
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QBrush QXYSeries::brush() const
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{
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Q_D(const QXYSeries);
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return d->m_brush;
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}
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void QXYSeries::setPointsVisible(bool visible)
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{
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Q_D(QXYSeries);
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if (d->m_pointsVisible != visible){
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d->m_pointsVisible = visible;
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emit d->updated();
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}
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}
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bool QXYSeries::pointsVisible() const
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{
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Q_D(const QXYSeries);
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return d->m_pointsVisible;
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}
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/*!
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Stream operator for adding a data \a point to the series.
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\sa append()
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*/
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QXYSeries& QXYSeries::operator<< (const QPointF &point)
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{
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append(point);
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return *this;
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}
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/*!
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Stream operator for adding a list of \a points to the series.
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\sa append()
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*/
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QXYSeries& QXYSeries::operator<< (const QList<QPointF>& points)
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{
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append(points);
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return *this;
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}
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//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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QXYSeriesPrivate::QXYSeriesPrivate(QXYSeries *q) :
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QAbstractSeriesPrivate(q),
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m_pointsVisible(false)
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{
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}
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void QXYSeriesPrivate::scaleDomain(Domain& domain)
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{
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qreal minX(domain.minX());
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qreal minY(domain.minY());
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qreal maxX(domain.maxX());
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qreal maxY(domain.maxY());
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int tickXCount(domain.tickXCount());
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int tickYCount(domain.tickYCount());
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Q_Q(QXYSeries);
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const QList<QPointF>& points = q->points();
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if(points.isEmpty()){
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minX=0.0;
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minY=0.0;
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maxX=1.0;
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maxY=1.0;
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}
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for (int i = 0; i < points.count(); i++)
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{
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qreal x = points[i].x();
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qreal y = points[i].y();
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minX = qMin(minX, x);
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minY = qMin(minY, y);
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maxX = qMax(maxX, x);
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maxY = qMax(maxY, y);
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}
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domain.setRange(minX,maxX,minY,maxY,tickXCount,tickYCount);
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}
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QList<LegendMarker*> QXYSeriesPrivate::createLegendMarker(QLegend* legend)
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{
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Q_Q(QXYSeries);
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QList<LegendMarker*> list;
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return list << new XYLegendMarker(q,legend);
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}
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#include "moc_qxyseries.cpp"
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#include "moc_qxyseries_p.cpp"
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QTCOMMERCIALCHART_END_NAMESPACE
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