|
|
/****************************************************************************
|
|
|
**
|
|
|
** 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 "xychart_p.h"
|
|
|
#include "qxyseries.h"
|
|
|
#include "qxyseries_p.h"
|
|
|
#include "chartpresenter_p.h"
|
|
|
#include "abstractdomain_p.h"
|
|
|
#include "qxymodelmapper.h"
|
|
|
#include "qabstractaxis_p.h"
|
|
|
#include <QPainter>
|
|
|
#include <QAbstractItemModel>
|
|
|
|
|
|
|
|
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
|
|
|
|
//TODO: optimize : remove points which are not visible
|
|
|
|
|
|
XYChart::XYChart(QXYSeries *series, QGraphicsItem *item):
|
|
|
ChartItem(series->d_func(),item),
|
|
|
m_series(series),
|
|
|
m_animation(0),
|
|
|
m_dirty(true)
|
|
|
{
|
|
|
QObject::connect(series, SIGNAL(pointReplaced(int)), this, SLOT(handlePointReplaced(int)));
|
|
|
QObject::connect(series, SIGNAL(pointsReplaced()), this, SLOT(handlePointsReplaced()));
|
|
|
QObject::connect(series, SIGNAL(pointAdded(int)), this, SLOT(handlePointAdded(int)));
|
|
|
QObject::connect(series, SIGNAL(pointRemoved(int)), this, SLOT(handlePointRemoved(int)));
|
|
|
QObject::connect(this, SIGNAL(clicked(QPointF)), series, SIGNAL(clicked(QPointF)));
|
|
|
QObject::connect(this, SIGNAL(hovered(QPointF,bool)), series, SIGNAL(hovered(QPointF,bool)));
|
|
|
}
|
|
|
|
|
|
void XYChart::setGeometryPoints(const QVector<QPointF> &points)
|
|
|
{
|
|
|
m_points = points;
|
|
|
}
|
|
|
|
|
|
void XYChart::setAnimation(XYAnimation *animation)
|
|
|
{
|
|
|
m_animation = animation;
|
|
|
}
|
|
|
|
|
|
void XYChart::setDirty(bool dirty)
|
|
|
{
|
|
|
m_dirty = dirty;
|
|
|
}
|
|
|
|
|
|
// Returns a vector with same size as geometryPoints vector, indicating
|
|
|
// the off grid status of points.
|
|
|
QVector<bool> XYChart::offGridStatusVector()
|
|
|
{
|
|
|
qreal minX = domain()->minX();
|
|
|
qreal maxX = domain()->maxX();
|
|
|
qreal minY = domain()->minY();
|
|
|
qreal maxY = domain()->maxY();
|
|
|
|
|
|
QVector<bool> returnVector;
|
|
|
returnVector.resize(m_points.size());
|
|
|
// During remove/append animation series may have different number of points,
|
|
|
// so ensure we don't go over the index. No need to check for zero points, this
|
|
|
// will not be called in such a situation.
|
|
|
const int seriesLastIndex = m_series->count() - 1;
|
|
|
|
|
|
for (int i = 0; i < m_points.size(); i++) {
|
|
|
const QPointF &seriesPoint = m_series->at(qMin(seriesLastIndex, i));
|
|
|
if (seriesPoint.x() < minX
|
|
|
|| seriesPoint.x() > maxX
|
|
|
|| seriesPoint.y() < minY
|
|
|
|| seriesPoint.y() > maxY) {
|
|
|
returnVector[i] = true;
|
|
|
} else {
|
|
|
returnVector[i] = false;
|
|
|
}
|
|
|
}
|
|
|
return returnVector;
|
|
|
}
|
|
|
|
|
|
void XYChart::updateChart(QVector<QPointF> &oldPoints, QVector<QPointF> &newPoints, int index)
|
|
|
{
|
|
|
|
|
|
if (m_animation) {
|
|
|
m_animation->setup(oldPoints, newPoints, index);
|
|
|
m_points = newPoints;
|
|
|
setDirty(false);
|
|
|
presenter()->startAnimation(m_animation);
|
|
|
} else {
|
|
|
m_points = newPoints;
|
|
|
updateGeometry();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
//handlers
|
|
|
|
|
|
void XYChart::handlePointAdded(int index)
|
|
|
{
|
|
|
Q_ASSERT(index < m_series->count());
|
|
|
Q_ASSERT(index >= 0);
|
|
|
|
|
|
QVector<QPointF> points;
|
|
|
|
|
|
if (m_dirty || m_points.isEmpty()) {
|
|
|
points = domain()->calculateGeometryPoints(m_series->points());
|
|
|
} else {
|
|
|
points = m_points;
|
|
|
QPointF point = domain()->calculateGeometryPoint(m_series->points()[index], m_validData);
|
|
|
if (!m_validData)
|
|
|
m_points.clear();
|
|
|
else
|
|
|
points.insert(index, point);
|
|
|
}
|
|
|
|
|
|
updateChart(m_points, points, index);
|
|
|
}
|
|
|
|
|
|
void XYChart::handlePointRemoved(int index)
|
|
|
{
|
|
|
Q_ASSERT(index <= m_series->count());
|
|
|
Q_ASSERT(index >= 0);
|
|
|
|
|
|
QVector<QPointF> points;
|
|
|
|
|
|
if (m_dirty || m_points.isEmpty()) {
|
|
|
points = domain()->calculateGeometryPoints(m_series->points());
|
|
|
} else {
|
|
|
points = m_points;
|
|
|
points.remove(index);
|
|
|
}
|
|
|
|
|
|
updateChart(m_points, points, index);
|
|
|
}
|
|
|
|
|
|
void XYChart::handlePointReplaced(int index)
|
|
|
{
|
|
|
Q_ASSERT(index < m_series->count());
|
|
|
Q_ASSERT(index >= 0);
|
|
|
|
|
|
QVector<QPointF> points;
|
|
|
|
|
|
if (m_dirty || m_points.isEmpty()) {
|
|
|
points = domain()->calculateGeometryPoints(m_series->points());
|
|
|
} else {
|
|
|
QPointF point = domain()->calculateGeometryPoint(m_series->points()[index], m_validData);
|
|
|
if (!m_validData)
|
|
|
m_points.clear();
|
|
|
points = m_points;
|
|
|
if (m_validData)
|
|
|
points.replace(index, point);
|
|
|
}
|
|
|
|
|
|
updateChart(m_points, points, index);
|
|
|
}
|
|
|
|
|
|
void XYChart::handlePointsReplaced()
|
|
|
{
|
|
|
// All the points were replaced -> recalculate
|
|
|
QVector<QPointF> points = domain()->calculateGeometryPoints(m_series->points());
|
|
|
updateChart(m_points, points, -1);
|
|
|
}
|
|
|
|
|
|
void XYChart::handleDomainUpdated()
|
|
|
{
|
|
|
if (isEmpty()) return;
|
|
|
QVector<QPointF> points = domain()->calculateGeometryPoints(m_series->points());
|
|
|
updateChart(m_points, points);
|
|
|
}
|
|
|
|
|
|
bool XYChart::isEmpty()
|
|
|
{
|
|
|
return domain()->isEmpty() || m_series->points().isEmpty();
|
|
|
}
|
|
|
|
|
|
#include "moc_xychart_p.cpp"
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
