|
|
/****************************************************************************
|
|
|
**
|
|
|
** Copyright (C) 2012 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 "chartpresenter_p.h"
|
|
|
#include "qchart.h"
|
|
|
#include "qchart_p.h"
|
|
|
#include "qabstractaxis.h"
|
|
|
#include "qabstractaxis_p.h"
|
|
|
#include "chartdataset_p.h"
|
|
|
#include "charttheme_p.h"
|
|
|
#include "chartanimation_p.h"
|
|
|
#include "qabstractseries_p.h"
|
|
|
#include "qareaseries.h"
|
|
|
#include "chartaxis_p.h"
|
|
|
#include "chartbackground_p.h"
|
|
|
#include "chartlayout_p.h"
|
|
|
#include "charttitle_p.h"
|
|
|
#include <QTimer>
|
|
|
|
|
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
|
|
|
|
ChartPresenter::ChartPresenter(QChart* chart, ChartDataSet* dataset)
|
|
|
: QObject(chart),
|
|
|
m_chart(chart),
|
|
|
m_dataset(dataset),
|
|
|
m_chartTheme(0),
|
|
|
m_options(QChart::NoAnimation),
|
|
|
m_state(ShowState),
|
|
|
m_layout(new ChartLayout(this)),
|
|
|
m_background(0),
|
|
|
m_title(0)
|
|
|
{
|
|
|
|
|
|
}
|
|
|
|
|
|
ChartPresenter::~ChartPresenter()
|
|
|
{
|
|
|
delete m_chartTheme;
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::setChartsGeometry(const QRectF& rect)
|
|
|
{
|
|
|
Q_ASSERT(rect.isValid());
|
|
|
|
|
|
if (m_chartsRect != rect) {
|
|
|
m_chartsRect = rect;
|
|
|
foreach (ChartElement *chart, m_chartItems)
|
|
|
chart->handleGeometryChanged(rect);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
QRectF ChartPresenter::chartsGeometry() const
|
|
|
{
|
|
|
return m_chartsRect;
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::handleAxisAdded(QAbstractAxis* axis, Domain* domain)
|
|
|
{
|
|
|
ChartAxis* item = axis->d_ptr->createGraphics(this);
|
|
|
item->setDomain(domain);
|
|
|
|
|
|
if (m_options.testFlag(QChart::GridAxisAnimations))
|
|
|
item->setAnimation(new AxisAnimation(item));
|
|
|
|
|
|
QObject::connect(this, SIGNAL(geometryChanged(QRectF)), item, SLOT(handleGeometryChanged(QRectF)));
|
|
|
QObject::connect(domain, SIGNAL(updated()), item, SLOT(handleDomainUpdated()));
|
|
|
QObject::connect(axis, SIGNAL(visibleChanged(bool)), this, SLOT(handleAxisVisibleChanged(bool)));
|
|
|
|
|
|
//initialize
|
|
|
domain->emitUpdated();
|
|
|
m_chartTheme->decorate(axis);
|
|
|
axis->d_ptr->setDirty(false);
|
|
|
axis->d_ptr->emitUpdated();
|
|
|
if (m_chartsRect.isValid())
|
|
|
item->handleGeometryChanged(m_chartsRect);
|
|
|
|
|
|
m_axisItems.insert(axis, item);
|
|
|
selectVisibleAxis();
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::handleAxisRemoved(QAbstractAxis* axis)
|
|
|
{
|
|
|
ChartAxis* item = m_axisItems.take(axis);
|
|
|
Q_ASSERT(item);
|
|
|
selectVisibleAxis();
|
|
|
item->hide();
|
|
|
item->disconnect();
|
|
|
QObject::disconnect(this, 0, item, 0);
|
|
|
item->deleteLater();
|
|
|
}
|
|
|
|
|
|
|
|
|
void ChartPresenter::handleSeriesAdded(QAbstractSeries* series, Domain* domain)
|
|
|
{
|
|
|
ChartElement *item = series->d_ptr->createGraphics(this);
|
|
|
Q_ASSERT(item);
|
|
|
item->setDomain(domain);
|
|
|
|
|
|
QObject::connect(this, SIGNAL(geometryChanged(QRectF)), item, SLOT(handleGeometryChanged(QRectF)));
|
|
|
QObject::connect(domain, SIGNAL(updated()), item, SLOT(handleDomainUpdated()));
|
|
|
//initialize
|
|
|
item->handleDomainUpdated();
|
|
|
|
|
|
if (m_chartsRect.isValid())
|
|
|
item->handleGeometryChanged(m_chartsRect);
|
|
|
m_chartItems.insert(series, item);
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::handleSeriesRemoved(QAbstractSeries* series)
|
|
|
{
|
|
|
ChartElement* item = m_chartItems.take(series);
|
|
|
Q_ASSERT(item);
|
|
|
item->deleteLater();
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::selectVisibleAxis()
|
|
|
{
|
|
|
QMapIterator<QAbstractAxis*, ChartAxis*> i(m_axisItems);
|
|
|
|
|
|
while (i.hasNext()) {
|
|
|
i.next();
|
|
|
// i.key()->hide();
|
|
|
i.key()->show();
|
|
|
}
|
|
|
|
|
|
// i.toFront();
|
|
|
|
|
|
// bool axisX=false;
|
|
|
// bool axisY=false;
|
|
|
|
|
|
// while (i.hasNext()) {
|
|
|
// i.next();
|
|
|
// if(i.key()->orientation()==Qt::Vertical && !axisY) {
|
|
|
// axisY=true;
|
|
|
// i.key()->show();
|
|
|
// }
|
|
|
// if(i.key()->orientation()==Qt::Horizontal && !axisX) {
|
|
|
// axisX=true;
|
|
|
// i.key()->show();
|
|
|
// }
|
|
|
|
|
|
// }
|
|
|
}
|
|
|
|
|
|
|
|
|
void ChartPresenter::handleAxisVisibleChanged(bool visible)
|
|
|
{
|
|
|
QAbstractAxis* axis = static_cast<QAbstractAxis*>(sender());
|
|
|
Q_ASSERT(axis);
|
|
|
if (visible) {
|
|
|
|
|
|
QMapIterator<QAbstractAxis*, ChartAxis*> i(m_axisItems);
|
|
|
|
|
|
while (i.hasNext()) {
|
|
|
i.next();
|
|
|
if (i.key() == axis)
|
|
|
continue;
|
|
|
if (i.key()->orientation() == axis->orientation())
|
|
|
i.key()->setVisible(false);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::setTheme(QChart::ChartTheme theme, bool force)
|
|
|
{
|
|
|
if (m_chartTheme && m_chartTheme->id() == theme)
|
|
|
return;
|
|
|
delete m_chartTheme;
|
|
|
m_chartTheme = ChartTheme::createTheme(theme);
|
|
|
m_chartTheme->setForced(force);
|
|
|
m_chartTheme->decorate(m_chart);
|
|
|
m_chartTheme->decorate(m_chart->legend());
|
|
|
resetAllElements();
|
|
|
|
|
|
// We do not want "force" to stay on.
|
|
|
// Bar/pie are calling decorate when adding/removing slices/bars which means
|
|
|
// that to preserve users colors "force" must not be on.
|
|
|
m_chartTheme->setForced(false);
|
|
|
}
|
|
|
|
|
|
QChart::ChartTheme ChartPresenter::theme()
|
|
|
{
|
|
|
return m_chartTheme->id();
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::setAnimationOptions(QChart::AnimationOptions options)
|
|
|
{
|
|
|
if (m_options != options) {
|
|
|
m_options = options;
|
|
|
resetAllElements();
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::resetAllElements()
|
|
|
{
|
|
|
QMapIterator<QAbstractAxis*, ChartAxis*> i(m_axisItems);
|
|
|
while (i.hasNext()) {
|
|
|
i.next();
|
|
|
Domain* domain = i.value()->domain();
|
|
|
QAbstractAxis* axis = i.key();
|
|
|
handleAxisRemoved(axis);
|
|
|
handleAxisAdded(axis, domain);
|
|
|
}
|
|
|
|
|
|
QMapIterator<QAbstractSeries*, ChartElement*> j(m_chartItems);
|
|
|
while (j.hasNext()) {
|
|
|
j.next();
|
|
|
Domain* domain = j.value()->domain();
|
|
|
QAbstractSeries* series = j.key();
|
|
|
handleSeriesRemoved(series);
|
|
|
handleSeriesAdded(series, domain);
|
|
|
}
|
|
|
|
|
|
layout()->invalidate();
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::zoomIn(qreal factor)
|
|
|
{
|
|
|
QRectF rect = chartsGeometry();
|
|
|
rect.setWidth(rect.width() / factor);
|
|
|
rect.setHeight(rect.height() / factor);
|
|
|
rect.moveCenter(chartsGeometry().center());
|
|
|
zoomIn(rect);
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::zoomIn(const QRectF& rect)
|
|
|
{
|
|
|
QRectF r = rect.normalized();
|
|
|
r.translate(-chartsGeometry().topLeft());
|
|
|
if (!r.isValid())
|
|
|
return;
|
|
|
|
|
|
m_state = ZoomInState;
|
|
|
m_statePoint = QPointF(r.center().x() / chartsGeometry().width(), r.center().y() / chartsGeometry().height());
|
|
|
m_dataset->zoomInDomain(r, chartsGeometry().size());
|
|
|
m_state = ShowState;
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::zoomOut(qreal factor)
|
|
|
{
|
|
|
m_state = ZoomOutState;
|
|
|
|
|
|
QRectF chartRect;
|
|
|
chartRect.setSize(chartsGeometry().size());
|
|
|
|
|
|
QRectF rect;
|
|
|
rect.setSize(chartRect.size() / factor);
|
|
|
rect.moveCenter(chartRect.center());
|
|
|
if (!rect.isValid())
|
|
|
return;
|
|
|
m_statePoint = QPointF(rect.center().x() / chartsGeometry().width(), rect.center().y() / chartsGeometry().height());
|
|
|
m_dataset->zoomOutDomain(rect, chartRect.size());
|
|
|
m_state = ShowState;
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::scroll(qreal dx, qreal dy)
|
|
|
{
|
|
|
if (dx < 0) m_state = ScrollLeftState;
|
|
|
if (dx > 0) m_state = ScrollRightState;
|
|
|
if (dy < 0) m_state = ScrollUpState;
|
|
|
if (dy > 0) m_state = ScrollDownState;
|
|
|
|
|
|
m_dataset->scrollDomain(dx, dy, chartsGeometry().size());
|
|
|
m_state = ShowState;
|
|
|
}
|
|
|
|
|
|
QChart::AnimationOptions ChartPresenter::animationOptions() const
|
|
|
{
|
|
|
return m_options;
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::createBackgroundItem()
|
|
|
{
|
|
|
if (!m_background) {
|
|
|
m_background = new ChartBackground(rootItem());
|
|
|
m_background->setPen(Qt::NoPen);
|
|
|
m_background->setZValue(ChartPresenter::BackgroundZValue);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::createTitleItem()
|
|
|
{
|
|
|
if (!m_title) {
|
|
|
m_title = new ChartTitle(rootItem());
|
|
|
m_title->setZValue(ChartPresenter::BackgroundZValue);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
void ChartPresenter::handleAnimationFinished()
|
|
|
{
|
|
|
m_animations.removeAll(qobject_cast<ChartAnimation*>(sender()));
|
|
|
if (m_animations.empty())
|
|
|
emit animationsFinished();
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::startAnimation(ChartAnimation* animation)
|
|
|
{
|
|
|
if (animation->state() != QAbstractAnimation::Stopped)
|
|
|
animation->stop();
|
|
|
QObject::connect(animation, SIGNAL(finished()), this, SLOT(handleAnimationFinished()), Qt::UniqueConnection);
|
|
|
if (!m_animations.isEmpty())
|
|
|
m_animations.append(animation);
|
|
|
QTimer::singleShot(0, animation, SLOT(start()));
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::setBackgroundBrush(const QBrush& brush)
|
|
|
{
|
|
|
createBackgroundItem();
|
|
|
m_background->setBrush(brush);
|
|
|
m_layout->invalidate();
|
|
|
}
|
|
|
|
|
|
QBrush ChartPresenter::backgroundBrush() const
|
|
|
{
|
|
|
if (!m_background)
|
|
|
return QBrush();
|
|
|
return m_background->brush();
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::setBackgroundPen(const QPen& pen)
|
|
|
{
|
|
|
createBackgroundItem();
|
|
|
m_background->setPen(pen);
|
|
|
m_layout->invalidate();
|
|
|
}
|
|
|
|
|
|
QPen ChartPresenter::backgroundPen() const
|
|
|
{
|
|
|
if (!m_background)
|
|
|
return QPen();
|
|
|
return m_background->pen();
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::setTitle(const QString& title)
|
|
|
{
|
|
|
createTitleItem();
|
|
|
m_title->setText(title);
|
|
|
m_layout->invalidate();
|
|
|
}
|
|
|
|
|
|
QString ChartPresenter::title() const
|
|
|
{
|
|
|
if (!m_title)
|
|
|
return QString();
|
|
|
return m_title->text();
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::setTitleFont(const QFont& font)
|
|
|
{
|
|
|
createTitleItem();
|
|
|
m_title->setFont(font);
|
|
|
m_layout->invalidate();
|
|
|
}
|
|
|
|
|
|
QFont ChartPresenter::titleFont() const
|
|
|
{
|
|
|
if (!m_title)
|
|
|
return QFont();
|
|
|
return m_title->font();
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::setTitleBrush(const QBrush &brush)
|
|
|
{
|
|
|
createTitleItem();
|
|
|
m_title->setBrush(brush);
|
|
|
m_layout->invalidate();
|
|
|
}
|
|
|
|
|
|
QBrush ChartPresenter::titleBrush() const
|
|
|
{
|
|
|
if (!m_title)
|
|
|
return QBrush();
|
|
|
return m_title->brush();
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::setBackgroundVisible(bool visible)
|
|
|
{
|
|
|
createBackgroundItem();
|
|
|
m_background->setVisible(visible);
|
|
|
}
|
|
|
|
|
|
|
|
|
bool ChartPresenter::isBackgroundVisible() const
|
|
|
{
|
|
|
if (!m_background)
|
|
|
return false;
|
|
|
return m_background->isVisible();
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::setBackgroundDropShadowEnabled(bool enabled)
|
|
|
{
|
|
|
createBackgroundItem();
|
|
|
m_background->setDropShadowEnabled(enabled);
|
|
|
}
|
|
|
|
|
|
bool ChartPresenter::isBackgroundDropShadowEnabled() const
|
|
|
{
|
|
|
if (!m_background)
|
|
|
return false;
|
|
|
return m_background->isDropShadowEnabled();
|
|
|
}
|
|
|
|
|
|
|
|
|
QGraphicsLayout* ChartPresenter::layout()
|
|
|
{
|
|
|
return m_layout;
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::setMargins(const QMargins& margins)
|
|
|
{
|
|
|
m_layout->setMargins(margins);
|
|
|
}
|
|
|
|
|
|
QMargins ChartPresenter::margins() const
|
|
|
{
|
|
|
return m_layout->margins();
|
|
|
}
|
|
|
|
|
|
QLegend* ChartPresenter::legend()
|
|
|
{
|
|
|
return m_chart->legend();
|
|
|
}
|
|
|
|
|
|
void ChartPresenter::setVisible(bool visible)
|
|
|
{
|
|
|
m_chart->setVisible(visible);
|
|
|
}
|
|
|
|
|
|
ChartBackground* ChartPresenter::backgroundElement()
|
|
|
{
|
|
|
return m_background;
|
|
|
}
|
|
|
|
|
|
QList<ChartAxis*> ChartPresenter::axisItems() const
|
|
|
{
|
|
|
return m_axisItems.values();
|
|
|
}
|
|
|
|
|
|
ChartTitle* ChartPresenter::titleElement()
|
|
|
{
|
|
|
return m_title;
|
|
|
}
|
|
|
|
|
|
#include "moc_chartpresenter_p.cpp"
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
