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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Charts module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
****************************************************************************/
#include <QtCharts/QHCandlestickModelMapper>
#include <QtCharts/QVCandlestickModelMapper>
#include "declarativeaxes_p.h"
#include "declarativecandlestickseries_p.h"
QT_CHARTS_BEGIN_NAMESPACE
DeclarativeCandlestickSet::DeclarativeCandlestickSet(qreal timestamp, QObject *parent)
: QCandlestickSet(timestamp, parent)
{
connect(this, SIGNAL(brushChanged()), this, SLOT(handleBrushChanged()));
}
void DeclarativeCandlestickSet::setBrushFilename(const QString &brushFilename)
{
QImage brushImage(brushFilename);
if (QCandlestickSet::brush().textureImage() != brushImage) {
QBrush brush = QCandlestickSet::brush();
brush.setTextureImage(brushImage);
QCandlestickSet::setBrush(brush);
m_brushFilename = brushFilename;
m_brushImage = brushImage;
emit brushFilenameChanged(brushFilename);
}
}
QString DeclarativeCandlestickSet::brushFilename() const
{
return m_brushFilename;
}
void DeclarativeCandlestickSet::handleBrushChanged()
{
// If the texture image of the brush has changed along the brush
// the brush file name needs to be cleared.
if (!m_brushFilename.isEmpty() && QCandlestickSet::brush().textureImage() != m_brushImage) {
m_brushFilename.clear();
emit brushFilenameChanged(QString());
}
}
// Declarative candlestick series ==================================================================
DeclarativeCandlestickSeries::DeclarativeCandlestickSeries(QQuickItem *parent)
: QCandlestickSeries(parent),
m_axes(new DeclarativeAxes(this))
{
connect(m_axes, SIGNAL(axisXChanged(QAbstractAxis*)),
this, SIGNAL(axisXChanged(QAbstractAxis*)));
connect(m_axes, SIGNAL(axisYChanged(QAbstractAxis*)),
this, SIGNAL(axisYChanged(QAbstractAxis*)));
connect(m_axes, SIGNAL(axisXTopChanged(QAbstractAxis*)),
this, SIGNAL(axisXTopChanged(QAbstractAxis*)));
connect(m_axes, SIGNAL(axisYRightChanged(QAbstractAxis*)),
this, SIGNAL(axisYRightChanged(QAbstractAxis*)));
connect(this, SIGNAL(hovered(bool, QCandlestickSet *)),
this, SLOT(onHovered(bool, QCandlestickSet *)));
connect(this, SIGNAL(clicked(QCandlestickSet *)), this, SLOT(onClicked(QCandlestickSet *)));
connect(this, SIGNAL(pressed(QCandlestickSet *)), this, SLOT(onPressed(QCandlestickSet *)));
connect(this, SIGNAL(released(QCandlestickSet *)), this, SLOT(onReleased(QCandlestickSet *)));
connect(this, SIGNAL(doubleClicked(QCandlestickSet *)),
this, SLOT(onDoubleClicked(QCandlestickSet *)));
connect(this, SIGNAL(brushChanged()), this, SLOT(handleBrushChanged()));
}
QQmlListProperty<QObject> DeclarativeCandlestickSeries::seriesChildren()
{
return QQmlListProperty<QObject>(this, 0, &DeclarativeCandlestickSeries::appendSeriesChildren,
0, 0, 0);
}
void DeclarativeCandlestickSeries::setBrushFilename(const QString &brushFilename)
{
QImage brushImage(brushFilename);
if (QCandlestickSeries::brush().textureImage() != brushImage) {
QBrush brush = QCandlestickSeries::brush();
brush.setTextureImage(brushImage);
QCandlestickSeries::setBrush(brush);
m_brushFilename = brushFilename;
m_brushImage = brushImage;
emit brushFilenameChanged(brushFilename);
}
}
QString DeclarativeCandlestickSeries::brushFilename() const
{
return m_brushFilename;
}
DeclarativeCandlestickSet *DeclarativeCandlestickSeries::at(int index)
{
QList<QCandlestickSet *> sets = this->sets();
if (index >= 0 && index < sets.count())
return qobject_cast<DeclarativeCandlestickSet *>(sets[index]);
return 0;
}
bool DeclarativeCandlestickSeries::append(DeclarativeCandlestickSet *set)
{
return QCandlestickSeries::append(qobject_cast<QCandlestickSet *>(set));
}
bool DeclarativeCandlestickSeries::remove(DeclarativeCandlestickSet *set)
{
return QCandlestickSeries::remove(qobject_cast<QCandlestickSet *>(set));
}
bool DeclarativeCandlestickSeries::append(qreal open, qreal high, qreal low, qreal close,
qreal timestamp)
{
QCandlestickSet *set = new QCandlestickSet(open, high, low, close, timestamp);
if (!QCandlestickSeries::append(set)) {
delete set;
return false;
}
return true;
}
bool DeclarativeCandlestickSeries::remove(qreal timestamp)
{
for (int i = 0; i < count(); ++i) {
QCandlestickSet *set = sets().at(i);
if (set->timestamp() == timestamp)
return QCandlestickSeries::remove(set);
}
return false;
}
bool DeclarativeCandlestickSeries::insert(int index, DeclarativeCandlestickSet *set)
{
return QCandlestickSeries::insert(index, qobject_cast<QCandlestickSet *>(set));
}
void DeclarativeCandlestickSeries::clear()
{
QCandlestickSeries::clear();
}
void DeclarativeCandlestickSeries::classBegin()
{
// do nothing
}
void DeclarativeCandlestickSeries::componentComplete()
{
foreach (QObject *child, children()) {
if (qobject_cast<DeclarativeCandlestickSet *>(child)) {
QCandlestickSeries::append(qobject_cast<DeclarativeCandlestickSet *>(child));
} else if (qobject_cast<QHCandlestickModelMapper *>(child)) {
QHCandlestickModelMapper *mapper = qobject_cast<QHCandlestickModelMapper *>(child);
mapper->setSeries(this);
} else if (qobject_cast<QVCandlestickModelMapper *>(child)) {
QVCandlestickModelMapper *mapper = qobject_cast<QVCandlestickModelMapper *>(child);
mapper->setSeries(this);
} // else: do nothing
}
}
void DeclarativeCandlestickSeries::appendSeriesChildren(QQmlListProperty<QObject> *list,
QObject *element)
{
// Empty implementation; the children are parsed in componentComplete instead
Q_UNUSED(list);
Q_UNUSED(element);
}
void DeclarativeCandlestickSeries::onClicked(QCandlestickSet *set)
{
emit clicked(qobject_cast<DeclarativeCandlestickSet *>(set));
}
void DeclarativeCandlestickSeries::onHovered(bool status, QCandlestickSet *set)
{
emit hovered(status, qobject_cast<DeclarativeCandlestickSet *>(set));
}
void DeclarativeCandlestickSeries::onPressed(QCandlestickSet *set)
{
emit pressed(qobject_cast<DeclarativeCandlestickSet *>(set));
}
void DeclarativeCandlestickSeries::onReleased(QCandlestickSet *set)
{
emit released(qobject_cast<DeclarativeCandlestickSet *>(set));
}
void DeclarativeCandlestickSeries::onDoubleClicked(QCandlestickSet *set)
{
emit doubleClicked(qobject_cast<DeclarativeCandlestickSet *>(set));
}
void DeclarativeCandlestickSeries::handleBrushChanged()
{
// If the texture image of the brush has changed along the brush
// the brush file name needs to be cleared.
if (!m_brushFilename.isEmpty() && QCandlestickSeries::brush().textureImage() != m_brushImage) {
m_brushFilename.clear();
emit brushFilenameChanged(QString());
}
}
QT_CHARTS_END_NAMESPACE
#include "moc_declarativecandlestickseries_p.cpp"
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