diff options
Diffstat (limited to 'src/piechart/piechartitem.cpp')
| -rw-r--r-- | src/piechart/piechartitem.cpp | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/src/piechart/piechartitem.cpp b/src/piechart/piechartitem.cpp deleted file mode 100644 index 0ce390af..00000000 --- a/src/piechart/piechartitem.cpp +++ /dev/null @@ -1,228 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2014 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 Enterprise Charts Add-on. -** -** $QT_BEGIN_LICENSE$ -** Licensees holding valid Qt Enterprise licenses may use this file in -** accordance with the Qt Enterprise 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 "piechartitem_p.h" -#include "piesliceitem_p.h" -#include "qpieslice.h" -#include "qpieslice_p.h" -#include "qpieseries.h" -#include "qpieseries_p.h" -#include "chartpresenter_p.h" -#include "chartdataset_p.h" -#include "pieanimation_p.h" -#include <QPainter> -#include <QTimer> - -QTCOMMERCIALCHART_BEGIN_NAMESPACE - -PieChartItem::PieChartItem(QPieSeries *series, QGraphicsItem* item) - : ChartItem(series->d_func(),item), - m_series(series), - m_animation(0) -{ - Q_ASSERT(series); - - QPieSeriesPrivate *p = QPieSeriesPrivate::fromSeries(series); - connect(series, SIGNAL(visibleChanged()), this, SLOT(handleSeriesVisibleChanged())); - connect(series, SIGNAL(opacityChanged()), this, SLOT(handleOpacityChanged())); - connect(series, SIGNAL(added(QList<QPieSlice*>)), this, SLOT(handleSlicesAdded(QList<QPieSlice*>))); - connect(series, SIGNAL(removed(QList<QPieSlice*>)), this, SLOT(handleSlicesRemoved(QList<QPieSlice*>))); - connect(p, SIGNAL(horizontalPositionChanged()), this, SLOT(updateLayout())); - connect(p, SIGNAL(verticalPositionChanged()), this, SLOT(updateLayout())); - connect(p, SIGNAL(pieSizeChanged()), this, SLOT(updateLayout())); - connect(p, SIGNAL(calculatedDataChanged()), this, SLOT(updateLayout())); - - // Note: the following does not affect as long as the item does not have anything to paint - setZValue(ChartPresenter::PieSeriesZValue); - - // Note: will not create slice items until we have a proper rectangle to draw on. -} - -PieChartItem::~PieChartItem() -{ - // slices deleted automatically through QGraphicsItem - if (m_series) { - m_series->disconnect(this); - QPieSeriesPrivate::fromSeries(m_series)->disconnect(this); - } - foreach (QPieSlice *slice, m_sliceItems.keys()) { - slice->disconnect(this); - QPieSlicePrivate::fromSlice(slice)->disconnect(this); - } -} - -void PieChartItem::setAnimation(PieAnimation *animation) -{ - m_animation = animation; -} - -ChartAnimation *PieChartItem::animation() const -{ - return m_animation; -} - -void PieChartItem::handleDomainUpdated() -{ - QRectF rect(QPointF(0,0),domain()->size()); - if(m_rect!=rect){ - prepareGeometryChange(); - m_rect = rect; - updateLayout(); - - if (m_sliceItems.isEmpty()) - handleSlicesAdded(m_series->slices()); - } -} - -void PieChartItem::updateLayout() -{ - // find pie center coordinates - m_pieCenter.setX(m_rect.left() + (m_rect.width() * m_series->horizontalPosition())); - m_pieCenter.setY(m_rect.top() + (m_rect.height() * m_series->verticalPosition())); - - // find maximum radius for pie - m_pieRadius = m_rect.height() / 2; - if (m_rect.width() < m_rect.height()) - m_pieRadius = m_rect.width() / 2; - - m_holeSize = m_pieRadius; - // apply size factor - m_pieRadius *= m_series->pieSize(); - m_holeSize *= m_series->holeSize(); - - // set layouts for existing slice items - foreach (QPieSlice *slice, m_series->slices()) { - PieSliceItem *sliceItem = m_sliceItems.value(slice); - if (sliceItem) { - PieSliceData sliceData = updateSliceGeometry(slice); - if (m_animation) - presenter()->startAnimation(m_animation->updateValue(sliceItem, sliceData)); - else - sliceItem->setLayout(sliceData); - } - } - - update(); -} - -void PieChartItem::handleSlicesAdded(QList<QPieSlice *> slices) -{ - // delay creating slice items until there is a proper rectangle - if (!m_rect.isValid() && m_sliceItems.isEmpty()) - return; - - themeManager()->updateSeries(m_series); - - bool startupAnimation = m_sliceItems.isEmpty(); - - foreach(QPieSlice * slice, slices) { - PieSliceItem *sliceItem = new PieSliceItem(this); - m_sliceItems.insert(slice, sliceItem); - - // Note: no need to connect to slice valueChanged() etc. - // This is handled through calculatedDataChanged signal. - connect(slice, SIGNAL(labelChanged()), this, SLOT(handleSliceChanged())); - connect(slice, SIGNAL(labelVisibleChanged()), this, SLOT(handleSliceChanged())); - connect(slice, SIGNAL(penChanged()), this, SLOT(handleSliceChanged())); - connect(slice, SIGNAL(brushChanged()), this, SLOT(handleSliceChanged())); - connect(slice, SIGNAL(labelBrushChanged()), this, SLOT(handleSliceChanged())); - connect(slice, SIGNAL(labelFontChanged()), this, SLOT(handleSliceChanged())); - - QPieSlicePrivate *p = QPieSlicePrivate::fromSlice(slice); - connect(p, SIGNAL(labelPositionChanged()), this, SLOT(handleSliceChanged())); - connect(p, SIGNAL(explodedChanged()), this, SLOT(handleSliceChanged())); - connect(p, SIGNAL(labelArmLengthFactorChanged()), this, SLOT(handleSliceChanged())); - connect(p, SIGNAL(explodeDistanceFactorChanged()), this, SLOT(handleSliceChanged())); - - connect(sliceItem, SIGNAL(clicked(Qt::MouseButtons)), slice, SIGNAL(clicked())); - connect(sliceItem, SIGNAL(hovered(bool)), slice, SIGNAL(hovered(bool))); - - PieSliceData sliceData = updateSliceGeometry(slice); - if (m_animation) - presenter()->startAnimation(m_animation->addSlice(sliceItem, sliceData, startupAnimation)); - else - sliceItem->setLayout(sliceData); - } -} - -void PieChartItem::handleSlicesRemoved(QList<QPieSlice *> slices) -{ - themeManager()->updateSeries(m_series); - - foreach (QPieSlice *slice, slices) { - - PieSliceItem *sliceItem = m_sliceItems.value(slice); - - // this can happen if you call append() & remove() in a row so that PieSliceItem is not even created - if (!sliceItem) - continue; - - m_sliceItems.remove(slice); - slice->disconnect(this); - QPieSlicePrivate::fromSlice(slice)->disconnect(this); - - if (m_animation) - presenter()->startAnimation(m_animation->removeSlice(sliceItem)); // animator deletes the PieSliceItem - else - delete sliceItem; - } -} - -void PieChartItem::handleSliceChanged() -{ - QPieSlice *slice = qobject_cast<QPieSlice *>(sender()); - if (!slice) { - QPieSlicePrivate *slicep = qobject_cast<QPieSlicePrivate *>(sender()); - slice = slicep->q_ptr; - } - Q_ASSERT(m_sliceItems.contains(slice)); - - PieSliceItem *sliceItem = m_sliceItems.value(slice); - PieSliceData sliceData = updateSliceGeometry(slice); - if (m_animation) - presenter()->startAnimation(m_animation->updateValue(sliceItem, sliceData)); - else - sliceItem->setLayout(sliceData); - - update(); -} - -void PieChartItem::handleSeriesVisibleChanged() -{ - setVisible(m_series->isVisible()); -} - -void PieChartItem::handleOpacityChanged() -{ - setOpacity(m_series->opacity()); -} - -PieSliceData PieChartItem::updateSliceGeometry(QPieSlice *slice) -{ - PieSliceData &sliceData = QPieSlicePrivate::fromSlice(slice)->m_data; - sliceData.m_center = PieSliceItem::sliceCenter(m_pieCenter, m_pieRadius, slice); - sliceData.m_radius = m_pieRadius; - sliceData.m_holeRadius = m_holeSize; - return sliceData; -} - -#include "moc_piechartitem_p.cpp" - -QTCOMMERCIALCHART_END_NAMESPACE |