|
|
/****************************************************************************
|
|
|
**
|
|
|
** Copyright (C) 2013 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 "qxyseries.h"
|
|
|
#include "qxyseries_p.h"
|
|
|
#include "abstractdomain_p.h"
|
|
|
#include "qvalueaxis.h"
|
|
|
#include "xychart_p.h"
|
|
|
#include "qxylegendmarker.h"
|
|
|
#include "charthelpers_p.h"
|
|
|
|
|
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
|
|
|
|
/*!
|
|
|
\class QXYSeries
|
|
|
\brief The QXYSeries class is a base class for line, spline and scatter series.
|
|
|
*/
|
|
|
/*!
|
|
|
\qmlclass XYSeries
|
|
|
\inherits AbstractSeries
|
|
|
The XYSeries class is a base class for line, spline and scatter series.
|
|
|
|
|
|
The class cannot be instantiated directly.
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\qmlproperty AbstractAxis XYSeries::axisX
|
|
|
The x axis used for the series. If you leave both axisX and axisXTop undefined, a ValueAxis is created for
|
|
|
the series.
|
|
|
\sa axisXTop
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\qmlproperty AbstractAxis XYSeries::axisY
|
|
|
The y axis used for the series. If you leave both axisY and axisYRight undefined, a ValueAxis is created for
|
|
|
the series.
|
|
|
\sa axisYRight
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\qmlproperty AbstractAxis XYSeries::axisXTop
|
|
|
The x axis used for the series, drawn on top of the chart view. Note that you can only provide either axisX or
|
|
|
axisXTop, but not both.
|
|
|
\sa axisX
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\qmlproperty AbstractAxis XYSeries::axisYRight
|
|
|
The y axis used for the series, drawn to the right on the chart view. Note that you can only provide either axisY
|
|
|
or axisYRight, but not both.
|
|
|
\sa axisY
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\property QXYSeries::pointsVisible
|
|
|
Controls if the data points are visible and should be drawn.
|
|
|
*/
|
|
|
/*!
|
|
|
\qmlproperty bool XYSeries::pointsVisible
|
|
|
Controls if the data points are visible and should be drawn.
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\fn QPen QXYSeries::pen() const
|
|
|
\brief Returns pen used to draw points for series.
|
|
|
\sa setPen()
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\fn QBrush QXYSeries::brush() const
|
|
|
\brief Returns brush used to draw points for series.
|
|
|
\sa setBrush()
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\property QXYSeries::color
|
|
|
The color of the series. This is line (pen) color in case of QLineSeries or QSplineSeries and
|
|
|
fill (brush) color in case of QScatterSeries or QAreaSeries.
|
|
|
\sa QXYSeries::pen(), QXYSeries::brush()
|
|
|
*/
|
|
|
/*!
|
|
|
\qmlproperty color XYSeries::color
|
|
|
The color of the series. This is line (pen) color in case of LineSeries or SplineSeries and
|
|
|
fill (brush) color in case of ScatterSeries or AreaSeries.
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\fn void QXYSeries::clicked(const QPointF& point)
|
|
|
\brief Signal is emitted when user clicks the \a point on chart.
|
|
|
*/
|
|
|
/*!
|
|
|
\qmlsignal XYSeries::onClicked(QPointF point)
|
|
|
Signal is emitted when user clicks the \a point on chart. For example:
|
|
|
\code
|
|
|
LineSeries {
|
|
|
XYPoint { x: 0; y: 0 }
|
|
|
XYPoint { x: 1.1; y: 2.1 }
|
|
|
onClicked: console.log("onClicked: " + point.x + ", " + point.y);
|
|
|
}
|
|
|
\endcode
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\fn void QXYSeries::hovered(const QPointF &point, bool state)
|
|
|
This signal is emitted when user has hovered over or away from the series. \a point shows the origin (coordinate)
|
|
|
of the hover event. \a state is true when user has hovered over the series and false when hover has moved away from
|
|
|
the series.
|
|
|
*/
|
|
|
/*!
|
|
|
\qmlsignal XYSeries::onHovered(point point, bool state)
|
|
|
This signal is emitted when user has hovered over or away from the series. \a point shows the origin (coordinate)
|
|
|
of the hover event. \a state is true when user has hovered over the series and false when hover has moved away from
|
|
|
the series.
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\fn void QXYSeries::pointReplaced(int index)
|
|
|
Signal is emitted when a point has been replaced at \a index.
|
|
|
\sa replace()
|
|
|
*/
|
|
|
/*!
|
|
|
\qmlsignal XYSeries::onPointReplaced(int index)
|
|
|
Signal is emitted when a point has been replaced at \a index.
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\fn void QXYSeries::pointsReplaced()
|
|
|
Signal is emitted when all points have been replaced with another points.
|
|
|
\sa replace()
|
|
|
*/
|
|
|
/*!
|
|
|
\qmlsignal XYSeries::onPointsReplaced()
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\fn void QXYSeries::pointAdded(int index)
|
|
|
Signal is emitted when a point has been added at \a index.
|
|
|
\sa append(), insert()
|
|
|
*/
|
|
|
/*!
|
|
|
\qmlsignal XYSeries::onPointAdded(int index)
|
|
|
Signal is emitted when a point has been added at \a index.
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\fn void QXYSeries::pointRemoved(int index)
|
|
|
Signal is emitted when a point has been removed from \a index.
|
|
|
\sa remove()
|
|
|
*/
|
|
|
/*!
|
|
|
\qmlsignal XYSeries::onPointRemoved(int index)
|
|
|
Signal is emitted when a point has been removed from \a index.
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\fn void QXYSeries::colorChanged(QColor color)
|
|
|
\brief Signal is emitted when the line (pen) color has changed to \a color.
|
|
|
*/
|
|
|
/*!
|
|
|
\qmlsignal XYSeries::onColorChanged(color color)
|
|
|
Signal is emitted when the line (pen) color has changed to \a color.
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\fn void QXYSeriesPrivate::updated()
|
|
|
\brief \internal
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\qmlmethod XYSeries::append(real x, real y)
|
|
|
Append point (\a x, \a y) to the series
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\qmlmethod XYSeries::replace(real oldX, real oldY, real newX, real newY)
|
|
|
Replaces point (\a oldX, \a oldY) with point (\a newX, \a newY). Does nothing, if point (oldX, oldY) does not
|
|
|
exist.
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\qmlmethod XYSeries::remove(real x, real y)
|
|
|
Removes point (\a x, \a y) from the series. Does nothing, if point (x, y) does not exist.
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\qmlmethod XYSeries::insert(int index, real x, real y)
|
|
|
Inserts point (\a x, \a y) to the \a index. If index is 0 or smaller than 0 the point is prepended to the list of
|
|
|
points. If index is the same as or bigger than count, the point is appended to the list of points.
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\qmlmethod QPointF XYSeries::at(int index)
|
|
|
Returns point at \a index. Returns (0, 0) if the index is not valid.
|
|
|
*/
|
|
|
|
|
|
/*!
|
|
|
\internal
|
|
|
|
|
|
Constructs empty series object which is a child of \a parent.
|
|
|
When series object is added to QChartView or QChart instance ownerships is transferred.
|
|
|
*/
|
|
|
QXYSeries::QXYSeries(QXYSeriesPrivate &d, QObject *parent)
|
|
|
: QAbstractSeries(d, parent)
|
|
|
{
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Destroys the object. Series added to QChartView or QChart instances are owned by those,
|
|
|
and are deleted when mentioned object are destroyed.
|
|
|
*/
|
|
|
QXYSeries::~QXYSeries()
|
|
|
{
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Adds data point \a x \a y to the series. Points are connected with lines on the chart.
|
|
|
*/
|
|
|
void QXYSeries::append(qreal x, qreal y)
|
|
|
{
|
|
|
append(QPointF(x, y));
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
This is an overloaded function.
|
|
|
Adds data \a point to the series. Points are connected with lines on the chart.
|
|
|
*/
|
|
|
void QXYSeries::append(const QPointF &point)
|
|
|
{
|
|
|
Q_D(QXYSeries);
|
|
|
|
|
|
if (isValidValue(point)) {
|
|
|
d->m_points << point;
|
|
|
emit pointAdded(d->m_points.count() - 1);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
This is an overloaded function.
|
|
|
Adds list of data \a points to the series. Points are connected with lines on the chart.
|
|
|
*/
|
|
|
void QXYSeries::append(const QList<QPointF> &points)
|
|
|
{
|
|
|
foreach (const QPointF &point , points)
|
|
|
append(point);
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Replaces data point \a oldX \a oldY with data point \a newX \a newY.
|
|
|
\sa QXYSeries::pointReplaced()
|
|
|
*/
|
|
|
void QXYSeries::replace(qreal oldX, qreal oldY, qreal newX, qreal newY)
|
|
|
{
|
|
|
replace(QPointF(oldX, oldY), QPointF(newX, newY));
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Replaces \a oldPoint with \a newPoint.
|
|
|
\sa QXYSeries::pointReplaced()
|
|
|
*/
|
|
|
void QXYSeries::replace(const QPointF &oldPoint, const QPointF &newPoint)
|
|
|
{
|
|
|
Q_D(QXYSeries);
|
|
|
int index = d->m_points.indexOf(oldPoint);
|
|
|
if (index == -1)
|
|
|
return;
|
|
|
if (isValidValue(newPoint)) {
|
|
|
d->m_points[index] = newPoint;
|
|
|
emit pointReplaced(index);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Replaces the current points with \a points. This is faster than replacing data points one by one,
|
|
|
or first clearing all data, and then appending the new data. Emits QXYSeries::pointsReplaced()
|
|
|
when the points have been replaced.
|
|
|
\sa QXYSeries::pointsReplaced()
|
|
|
*/
|
|
|
void QXYSeries::replace(QList<QPointF> points)
|
|
|
{
|
|
|
Q_D(QXYSeries);
|
|
|
d->m_points = points.toVector();
|
|
|
emit pointsReplaced();
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Removes current \a x and \a y value.
|
|
|
*/
|
|
|
void QXYSeries::remove(qreal x, qreal y)
|
|
|
{
|
|
|
remove(QPointF(x, y));
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Removes current \a point x value.
|
|
|
|
|
|
Note: point y value is ignored.
|
|
|
*/
|
|
|
void QXYSeries::remove(const QPointF &point)
|
|
|
{
|
|
|
Q_D(QXYSeries);
|
|
|
int index = d->m_points.indexOf(point);
|
|
|
if (index == -1)
|
|
|
return;
|
|
|
d->m_points.remove(index);
|
|
|
emit pointRemoved(index);
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Inserts a \a point in the series at \a index position.
|
|
|
*/
|
|
|
void QXYSeries::insert(int index, const QPointF &point)
|
|
|
{
|
|
|
Q_D(QXYSeries);
|
|
|
if (isValidValue(point)) {
|
|
|
d->m_points.insert(index, point);
|
|
|
emit pointAdded(index);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Removes all points from the series.
|
|
|
*/
|
|
|
void QXYSeries::clear()
|
|
|
{
|
|
|
Q_D(QXYSeries);
|
|
|
for (int i = d->m_points.size() - 1; i >= 0; i--)
|
|
|
remove(d->m_points.at(i));
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Returns list of points in the series.
|
|
|
*/
|
|
|
QList<QPointF> QXYSeries::points() const
|
|
|
{
|
|
|
Q_D(const QXYSeries);
|
|
|
return d->m_points.toList();
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Returns number of data points within series.
|
|
|
*/
|
|
|
int QXYSeries::count() const
|
|
|
{
|
|
|
Q_D(const QXYSeries);
|
|
|
return d->m_points.count();
|
|
|
}
|
|
|
|
|
|
|
|
|
/*!
|
|
|
Sets \a pen used for drawing points on the chart. If the pen is not defined, the
|
|
|
pen from chart theme is used.
|
|
|
\sa QChart::setTheme()
|
|
|
*/
|
|
|
void QXYSeries::setPen(const QPen &pen)
|
|
|
{
|
|
|
Q_D(QXYSeries);
|
|
|
if (d->m_pen != pen) {
|
|
|
bool emitColorChanged = d->m_pen.color() != pen.color();
|
|
|
d->m_pen = pen;
|
|
|
emit d->updated();
|
|
|
if (emitColorChanged)
|
|
|
emit colorChanged(pen.color());
|
|
|
}
|
|
|
}
|
|
|
|
|
|
QPen QXYSeries::pen() const
|
|
|
{
|
|
|
Q_D(const QXYSeries);
|
|
|
return d->m_pen;
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Sets \a brush used for drawing points on the chart. If the brush is not defined, brush
|
|
|
from chart theme setting is used.
|
|
|
\sa QChart::setTheme()
|
|
|
*/
|
|
|
void QXYSeries::setBrush(const QBrush &brush)
|
|
|
{
|
|
|
Q_D(QXYSeries);
|
|
|
if (d->m_brush != brush) {
|
|
|
d->m_brush = brush;
|
|
|
emit d->updated();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
QBrush QXYSeries::brush() const
|
|
|
{
|
|
|
Q_D(const QXYSeries);
|
|
|
return d->m_brush;
|
|
|
}
|
|
|
|
|
|
void QXYSeries::setColor(const QColor &color)
|
|
|
{
|
|
|
QPen p = pen();
|
|
|
if (p.color() != color) {
|
|
|
p.setColor(color);
|
|
|
setPen(p);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
QColor QXYSeries::color() const
|
|
|
{
|
|
|
return pen().color();
|
|
|
}
|
|
|
|
|
|
void QXYSeries::setPointsVisible(bool visible)
|
|
|
{
|
|
|
Q_D(QXYSeries);
|
|
|
if (d->m_pointsVisible != visible) {
|
|
|
d->m_pointsVisible = visible;
|
|
|
emit d->updated();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
bool QXYSeries::pointsVisible() const
|
|
|
{
|
|
|
Q_D(const QXYSeries);
|
|
|
return d->m_pointsVisible;
|
|
|
}
|
|
|
|
|
|
|
|
|
/*!
|
|
|
Stream operator for adding a data \a point to the series.
|
|
|
\sa append()
|
|
|
*/
|
|
|
QXYSeries &QXYSeries::operator<< (const QPointF &point)
|
|
|
{
|
|
|
append(point);
|
|
|
return *this;
|
|
|
}
|
|
|
|
|
|
|
|
|
/*!
|
|
|
Stream operator for adding a list of \a points to the series.
|
|
|
\sa append()
|
|
|
*/
|
|
|
|
|
|
QXYSeries &QXYSeries::operator<< (const QList<QPointF>& points)
|
|
|
{
|
|
|
append(points);
|
|
|
return *this;
|
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
|
|
|
QXYSeriesPrivate::QXYSeriesPrivate(QXYSeries *q)
|
|
|
: QAbstractSeriesPrivate(q),
|
|
|
m_pointsVisible(false)
|
|
|
{
|
|
|
}
|
|
|
|
|
|
void QXYSeriesPrivate::initializeDomain()
|
|
|
{
|
|
|
qreal minX(0);
|
|
|
qreal minY(0);
|
|
|
qreal maxX(1);
|
|
|
qreal maxY(1);
|
|
|
|
|
|
Q_Q(QXYSeries);
|
|
|
|
|
|
const QList<QPointF>& points = q->points();
|
|
|
|
|
|
if (!points.isEmpty()) {
|
|
|
minX = points[0].x();
|
|
|
minY = points[0].y();
|
|
|
maxX = minX;
|
|
|
maxY = minY;
|
|
|
|
|
|
for (int i = 0; i < points.count(); i++) {
|
|
|
qreal x = points[i].x();
|
|
|
qreal y = points[i].y();
|
|
|
minX = qMin(minX, x);
|
|
|
minY = qMin(minY, y);
|
|
|
maxX = qMax(maxX, x);
|
|
|
maxY = qMax(maxY, y);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
domain()->setRange(minX, maxX, minY, maxY);
|
|
|
}
|
|
|
|
|
|
QList<QLegendMarker*> QXYSeriesPrivate::createLegendMarkers(QLegend* legend)
|
|
|
{
|
|
|
Q_Q(QXYSeries);
|
|
|
QList<QLegendMarker*> list;
|
|
|
return list << new QXYLegendMarker(q,legend);
|
|
|
}
|
|
|
|
|
|
void QXYSeriesPrivate::initializeAxes()
|
|
|
{
|
|
|
|
|
|
}
|
|
|
|
|
|
QAbstractAxis::AxisType QXYSeriesPrivate::defaultAxisType(Qt::Orientation orientation) const
|
|
|
{
|
|
|
Q_UNUSED(orientation);
|
|
|
return QAbstractAxis::AxisTypeValue;
|
|
|
}
|
|
|
|
|
|
QAbstractAxis* QXYSeriesPrivate::createDefaultAxis(Qt::Orientation orientation) const
|
|
|
{
|
|
|
Q_UNUSED(orientation);
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
void QXYSeriesPrivate::initializeAnimations(QtCommercialChart::QChart::AnimationOptions options)
|
|
|
{
|
|
|
XYChart *item = static_cast<XYChart *>(m_item.data());
|
|
|
Q_ASSERT(item);
|
|
|
if (options.testFlag(QChart::SeriesAnimations)) {
|
|
|
item->setAnimation(new XYAnimation(item));
|
|
|
}else{
|
|
|
item->setAnimation(0);
|
|
|
}
|
|
|
QAbstractSeriesPrivate::initializeAnimations(options);
|
|
|
}
|
|
|
|
|
|
#include "moc_qxyseries.cpp"
|
|
|
#include "moc_qxyseries_p.cpp"
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
