boxplotchartitem.cpp
220 lines
| 7.4 KiB
| text/x-c
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CppLexer
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r2548 | /**************************************************************************** | ||
** | ||||
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r2688 | ** Copyright (C) 2014 Digia Plc | ||
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r2548 | ** All rights reserved. | ||
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r2740 | ** For any questions to Digia, please use contact form at http://qt.io | ||
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r2548 | ** | ||
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r2740 | ** This file is part of the Qt Charts module. | ||
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r2548 | ** | ||
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r2740 | ** Licensees holding valid commercial license for Qt may use this file in | ||
** accordance with the Qt License Agreement provided with the Software | ||||
** or, alternatively, in accordance with the terms contained in a written | ||||
** agreement between you and Digia. | ||||
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r2548 | ** | ||
** If you have questions regarding the use of this file, please use | ||||
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r2740 | ** contact form at http://qt.io | ||
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r2548 | ** | ||
****************************************************************************/ | ||||
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r2714 | #include <private/boxplotchartitem_p.h> | ||
#include <private/qboxplotseries_p.h> | ||||
#include <private/bar_p.h> | ||||
#include <private/qboxset_p.h> | ||||
#include <private/qabstractbarseries_p.h> | ||||
#include <QtCharts/QBoxSet> | ||||
#include <private/boxwhiskers_p.h> | ||||
#include <QtGui/QPainter> | ||||
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r2548 | |||
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r2712 | QT_CHARTS_BEGIN_NAMESPACE | ||
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r2548 | |||
BoxPlotChartItem::BoxPlotChartItem(QBoxPlotSeries *series, QGraphicsItem *item) : | ||||
ChartItem(series->d_func(), item), | ||||
m_series(series), | ||||
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r2560 | m_animation(0) | ||
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r2548 | { | ||
connect(series, SIGNAL(boxsetsRemoved(QList<QBoxSet *>)), this, SLOT(handleBoxsetRemove(QList<QBoxSet *>))); | ||||
connect(series->d_func(), SIGNAL(restructuredBoxes()), this, SLOT(handleDataStructureChanged())); | ||||
connect(series->d_func(), SIGNAL(updatedLayout()), this, SLOT(handleLayoutChanged())); | ||||
connect(series->d_func(), SIGNAL(updatedBoxes()), this, SLOT(handleUpdatedBars())); | ||||
connect(series->d_func(), SIGNAL(updated()), this, SLOT(handleUpdatedBars())); | ||||
// QBoxPlotSeriesPrivate calls handleDataStructureChanged(), don't do it here | ||||
setZValue(ChartPresenter::BoxPlotSeriesZValue); | ||||
} | ||||
BoxPlotChartItem::~BoxPlotChartItem() | ||||
{ | ||||
} | ||||
void BoxPlotChartItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) | ||||
{ | ||||
Q_UNUSED(painter); | ||||
Q_UNUSED(option); | ||||
Q_UNUSED(widget); | ||||
} | ||||
void BoxPlotChartItem::setAnimation(BoxPlotAnimation *animation) | ||||
{ | ||||
m_animation = animation; | ||||
if (m_animation) { | ||||
foreach (BoxWhiskers *item, m_boxTable.values()) | ||||
m_animation->addBox(item); | ||||
handleDomainUpdated(); | ||||
} | ||||
} | ||||
void BoxPlotChartItem::handleDataStructureChanged() | ||||
{ | ||||
int setCount = m_series->count(); | ||||
for (int s = 0; s < setCount; s++) { | ||||
QBoxSet *set = m_series->d_func()->boxSetAt(s); | ||||
BoxWhiskers *box = m_boxTable.value(set); | ||||
if (!box) { | ||||
// Item is not yet created, make a box and add it to hash table | ||||
box = new BoxWhiskers(set, domain(), this); | ||||
m_boxTable.insert(set, box); | ||||
connect(box, SIGNAL(clicked(QBoxSet *)), m_series, SIGNAL(clicked(QBoxSet *))); | ||||
connect(box, SIGNAL(hovered(bool, QBoxSet *)), m_series, SIGNAL(hovered(bool, QBoxSet *))); | ||||
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r2739 | connect(box, SIGNAL(pressed(QBoxSet *)), m_series, SIGNAL(pressed(QBoxSet *))); | ||
connect(box, SIGNAL(released(QBoxSet *)), m_series, SIGNAL(released(QBoxSet *))); | ||||
connect(box, SIGNAL(doubleClicked(QBoxSet *)), | ||||
m_series, SIGNAL(doubleClicked(QBoxSet *))); | ||||
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r2548 | connect(box, SIGNAL(clicked(QBoxSet *)), set, SIGNAL(clicked())); | ||
connect(box, SIGNAL(hovered(bool, QBoxSet *)), set, SIGNAL(hovered(bool))); | ||||
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r2739 | connect(box, SIGNAL(pressed(QBoxSet *)), set, SIGNAL(pressed())); | ||
connect(box, SIGNAL(released(QBoxSet *)), set, SIGNAL(released())); | ||||
connect(box, SIGNAL(doubleClicked(QBoxSet *)), set, SIGNAL(doubleClicked())); | ||||
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r2548 | |||
// Set the decorative issues for the newly created box | ||||
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r2675 | // so that the brush and pen already defined for the set are kept. | ||
if (set->brush() == Qt::NoBrush) | ||||
box->setBrush(m_series->brush()); | ||||
else | ||||
box->setBrush(set->brush()); | ||||
if (set->pen() == Qt::NoPen) | ||||
box->setPen(m_series->pen()); | ||||
else | ||||
box->setPen(set->pen()); | ||||
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r2573 | box->setBoxOutlined(m_series->boxOutlineVisible()); | ||
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r2584 | box->setBoxWidth(m_series->boxWidth()); | ||
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r2548 | } | ||
updateBoxGeometry(box, s); | ||||
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r2554 | box->updateGeometry(domain()); | ||
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r2548 | |||
if (m_animation) | ||||
m_animation->addBox(box); | ||||
} | ||||
handleDomainUpdated(); | ||||
} | ||||
void BoxPlotChartItem::handleUpdatedBars() | ||||
{ | ||||
foreach (BoxWhiskers *item, m_boxTable.values()) { | ||||
item->setBrush(m_series->brush()); | ||||
item->setPen(m_series->pen()); | ||||
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r2573 | item->setBoxOutlined(m_series->boxOutlineVisible()); | ||
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r2584 | item->setBoxWidth(m_series->boxWidth()); | ||
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r2548 | } | ||
// Override with QBoxSet specific settings | ||||
foreach (QBoxSet *set, m_boxTable.keys()) { | ||||
if (set->brush().style() != Qt::NoBrush) | ||||
m_boxTable.value(set)->setBrush(set->brush()); | ||||
if (set->pen().style() != Qt::NoPen) | ||||
m_boxTable.value(set)->setPen(set->pen()); | ||||
} | ||||
} | ||||
void BoxPlotChartItem::handleBoxsetRemove(QList<QBoxSet*> barSets) | ||||
{ | ||||
foreach (QBoxSet *set, barSets) { | ||||
BoxWhiskers *boxItem = m_boxTable.value(set); | ||||
m_boxTable.remove(set); | ||||
delete boxItem; | ||||
} | ||||
} | ||||
void BoxPlotChartItem::handleDomainUpdated() | ||||
{ | ||||
if ((domain()->size().width() <= 0) || (domain()->size().height() <= 0)) | ||||
return; | ||||
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r2554 | // Set my bounding rect to same as domain size. Add one pixel at the top (-1.0) and the bottom as 0.0 would | ||
// snip a bit off from the whisker at the grid line | ||||
m_boundingRect.setRect(0.0, -1.0, domain()->size().width(), domain()->size().height() + 1.0); | ||||
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r2548 | |||
foreach (BoxWhiskers *item, m_boxTable.values()) { | ||||
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r2554 | item->updateGeometry(domain()); | ||
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r2548 | |||
// If the animation is set, start the animation for each BoxWhisker item | ||||
if (m_animation) | ||||
presenter()->startAnimation(m_animation->boxAnimation(item)); | ||||
} | ||||
} | ||||
void BoxPlotChartItem::handleLayoutChanged() | ||||
{ | ||||
foreach (BoxWhiskers *item, m_boxTable.values()) { | ||||
if (m_animation) | ||||
m_animation->setAnimationStart(item); | ||||
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r2584 | item->setBoxWidth(m_series->boxWidth()); | ||
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r2548 | bool dirty = updateBoxGeometry(item, item->m_data.m_index); | ||
if (dirty && m_animation) | ||||
presenter()->startAnimation(m_animation->boxChangeAnimation(item)); | ||||
else | ||||
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r2554 | item->updateGeometry(domain()); | ||
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r2548 | } | ||
} | ||||
QRectF BoxPlotChartItem::boundingRect() const | ||||
{ | ||||
return m_boundingRect; | ||||
} | ||||
void BoxPlotChartItem::initializeLayout() | ||||
{ | ||||
} | ||||
QVector<QRectF> BoxPlotChartItem::calculateLayout() | ||||
{ | ||||
return QVector<QRectF>(); | ||||
} | ||||
bool BoxPlotChartItem::updateBoxGeometry(BoxWhiskers *box, int index) | ||||
{ | ||||
bool changed = false; | ||||
QBoxSet *set = m_series->d_func()->boxSetAt(index); | ||||
BoxWhiskersData &data = box->m_data; | ||||
if ((data.m_lowerExtreme != set->at(0)) || (data.m_lowerQuartile != set->at(1)) || | ||||
(data.m_median != set->at(2)) || (data.m_upperQuartile != set->at(3)) || (data.m_upperExtreme != set->at(4))) { | ||||
changed = true; | ||||
} | ||||
data.m_lowerExtreme = set->at(0); | ||||
data.m_lowerQuartile = set->at(1); | ||||
data.m_median = set->at(2); | ||||
data.m_upperQuartile = set->at(3); | ||||
data.m_upperExtreme = set->at(4); | ||||
data.m_index = index; | ||||
data.m_boxItems = m_series->count(); | ||||
data.m_maxX = domain()->maxX(); | ||||
data.m_minX = domain()->minX(); | ||||
data.m_maxY = domain()->maxY(); | ||||
data.m_minY = domain()->minY(); | ||||
data.m_seriesIndex = m_seriesIndex; | ||||
data.m_seriesCount = m_seriesCount; | ||||
return changed; | ||||
} | ||||
#include "moc_boxplotchartitem_p.cpp" | ||||
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r2712 | QT_CHARTS_END_NAMESPACE | ||