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/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the Qt Charts module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:GPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the 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 The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 or (at your option) any later version
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** approved by the KDE Free Qt Foundation. The licenses are as published by
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** the Free Software Foundation and appearing in the file LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtCharts/QHCandlestickModelMapper>
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#include <QtCharts/QVCandlestickModelMapper>
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#include "declarativeaxes.h"
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#include "declarativecandlestickseries.h"
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QT_CHARTS_BEGIN_NAMESPACE
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DeclarativeCandlestickSet::DeclarativeCandlestickSet(qreal timestamp, QObject *parent)
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: QCandlestickSet(timestamp, parent)
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{
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connect(this, SIGNAL(brushChanged()), this, SLOT(handleBrushChanged()));
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}
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void DeclarativeCandlestickSet::setBrushFilename(const QString &brushFilename)
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{
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QImage brushImage(brushFilename);
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if (QCandlestickSet::brush().textureImage() != brushImage) {
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QBrush brush = QCandlestickSet::brush();
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brush.setTextureImage(brushImage);
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QCandlestickSet::setBrush(brush);
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m_brushFilename = brushFilename;
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m_brushImage = brushImage;
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emit brushFilenameChanged(brushFilename);
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}
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}
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QString DeclarativeCandlestickSet::brushFilename() const
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{
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return m_brushFilename;
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}
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void DeclarativeCandlestickSet::handleBrushChanged()
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{
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// If the texture image of the brush has changed along the brush
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// the brush file name needs to be cleared.
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if (!m_brushFilename.isEmpty() && QCandlestickSet::brush().textureImage() != m_brushImage) {
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m_brushFilename.clear();
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emit brushFilenameChanged(QString());
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}
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}
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// Declarative candlestick series ==================================================================
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DeclarativeCandlestickSeries::DeclarativeCandlestickSeries(QQuickItem *parent)
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: QCandlestickSeries(parent),
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m_axes(new DeclarativeAxes(this))
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{
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connect(m_axes, SIGNAL(axisXChanged(QAbstractAxis*)),
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this, SIGNAL(axisXChanged(QAbstractAxis*)));
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connect(m_axes, SIGNAL(axisYChanged(QAbstractAxis*)),
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this, SIGNAL(axisYChanged(QAbstractAxis*)));
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connect(m_axes, SIGNAL(axisXTopChanged(QAbstractAxis*)),
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this, SIGNAL(axisXTopChanged(QAbstractAxis*)));
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connect(m_axes, SIGNAL(axisYRightChanged(QAbstractAxis*)),
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this, SIGNAL(axisYRightChanged(QAbstractAxis*)));
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connect(this, SIGNAL(hovered(bool, QCandlestickSet *)),
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this, SLOT(onHovered(bool, QCandlestickSet *)));
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connect(this, SIGNAL(clicked(QCandlestickSet *)), this, SLOT(onClicked(QCandlestickSet *)));
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connect(this, SIGNAL(pressed(QCandlestickSet *)), this, SLOT(onPressed(QCandlestickSet *)));
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connect(this, SIGNAL(released(QCandlestickSet *)), this, SLOT(onReleased(QCandlestickSet *)));
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connect(this, SIGNAL(doubleClicked(QCandlestickSet *)),
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this, SLOT(onDoubleClicked(QCandlestickSet *)));
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connect(this, SIGNAL(brushChanged()), this, SLOT(handleBrushChanged()));
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}
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QQmlListProperty<QObject> DeclarativeCandlestickSeries::seriesChildren()
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{
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return QQmlListProperty<QObject>(this, 0, &DeclarativeCandlestickSeries::appendSeriesChildren,
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0, 0, 0);
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}
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void DeclarativeCandlestickSeries::setBrushFilename(const QString &brushFilename)
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{
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QImage brushImage(brushFilename);
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if (QCandlestickSeries::brush().textureImage() != brushImage) {
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QBrush brush = QCandlestickSeries::brush();
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brush.setTextureImage(brushImage);
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QCandlestickSeries::setBrush(brush);
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m_brushFilename = brushFilename;
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m_brushImage = brushImage;
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emit brushFilenameChanged(brushFilename);
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}
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}
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QString DeclarativeCandlestickSeries::brushFilename() const
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{
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return m_brushFilename;
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}
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DeclarativeCandlestickSet *DeclarativeCandlestickSeries::at(int index)
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{
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QList<QCandlestickSet *> sets = candlestickSets();
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if (index >= 0 && index < sets.count())
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return qobject_cast<DeclarativeCandlestickSet *>(sets[index]);
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return 0;
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}
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bool DeclarativeCandlestickSeries::append(DeclarativeCandlestickSet *set)
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{
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return QCandlestickSeries::append(qobject_cast<QCandlestickSet *>(set));
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}
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bool DeclarativeCandlestickSeries::remove(DeclarativeCandlestickSet *set)
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{
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return QCandlestickSeries::remove(qobject_cast<QCandlestickSet *>(set));
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}
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bool DeclarativeCandlestickSeries::append(qreal open, qreal high, qreal low, qreal close,
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qreal timestamp)
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{
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QCandlestickSet *set = new QCandlestickSet(open, high, low, close, timestamp);
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if (!QCandlestickSeries::append(set)) {
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delete set;
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return false;
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}
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return true;
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}
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bool DeclarativeCandlestickSeries::remove(qreal timestamp)
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{
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for (int i = 0; i < count(); ++i) {
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QCandlestickSet *set = candlestickSets().at(i);
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if (set->timestamp() == timestamp)
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return QCandlestickSeries::remove(set);
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}
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return false;
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}
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bool DeclarativeCandlestickSeries::insert(int index, DeclarativeCandlestickSet *set)
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{
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return QCandlestickSeries::insert(index, qobject_cast<QCandlestickSet *>(set));
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}
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void DeclarativeCandlestickSeries::clear()
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{
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QCandlestickSeries::clear();
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}
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void DeclarativeCandlestickSeries::classBegin()
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{
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// do nothing
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}
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void DeclarativeCandlestickSeries::componentComplete()
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{
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foreach (QObject *child, children()) {
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if (qobject_cast<DeclarativeCandlestickSet *>(child)) {
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QCandlestickSeries::append(qobject_cast<DeclarativeCandlestickSet *>(child));
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} else if (qobject_cast<QHCandlestickModelMapper *>(child)) {
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QHCandlestickModelMapper *mapper = qobject_cast<QHCandlestickModelMapper *>(child);
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mapper->setSeries(this);
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} else if (qobject_cast<QVCandlestickModelMapper *>(child)) {
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QVCandlestickModelMapper *mapper = qobject_cast<QVCandlestickModelMapper *>(child);
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mapper->setSeries(this);
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} // else: do nothing
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}
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}
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void DeclarativeCandlestickSeries::appendSeriesChildren(QQmlListProperty<QObject> *list,
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QObject *element)
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{
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// Empty implementation; the children are parsed in componentComplete instead
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Q_UNUSED(list);
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Q_UNUSED(element);
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}
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void DeclarativeCandlestickSeries::onClicked(QCandlestickSet *set)
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{
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emit clicked(qobject_cast<DeclarativeCandlestickSet *>(set));
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}
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void DeclarativeCandlestickSeries::onHovered(bool status, QCandlestickSet *set)
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{
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emit hovered(status, qobject_cast<DeclarativeCandlestickSet *>(set));
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}
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void DeclarativeCandlestickSeries::onPressed(QCandlestickSet *set)
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{
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emit pressed(qobject_cast<DeclarativeCandlestickSet *>(set));
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}
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void DeclarativeCandlestickSeries::onReleased(QCandlestickSet *set)
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{
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emit released(qobject_cast<DeclarativeCandlestickSet *>(set));
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}
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void DeclarativeCandlestickSeries::onDoubleClicked(QCandlestickSet *set)
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{
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emit doubleClicked(qobject_cast<DeclarativeCandlestickSet *>(set));
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}
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void DeclarativeCandlestickSeries::handleBrushChanged()
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{
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// If the texture image of the brush has changed along the brush
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// the brush file name needs to be cleared.
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if (!m_brushFilename.isEmpty() && QCandlestickSeries::brush().textureImage() != m_brushImage) {
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m_brushFilename.clear();
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emit brushFilenameChanged(QString());
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}
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}
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#include "moc_declarativecandlestickseries.cpp"
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QT_CHARTS_END_NAMESPACE
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