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Add Polar chart support...
Add Polar chart support This commit also heavily refactors things as polar chart needs separate implementation of various classes that previously only needed one, such as ChartAxis and ChartLayout. Task-number: QTRD-1757 Change-Id: I3d3db23920314987ceef3ae92879960b833b7136 Reviewed-by: Miikka Heikkinen <miikka.heikkinen@digia.com>
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r2432:53927f716a3d
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abstractbarchartitem.cpp
221 lines | 6.6 KiB | text/x-c | CppLexer
/ src / barchart / abstractbarchartitem.cpp
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refactoring internal barchart items
 r1674 /****************************************************************************
**
Miikka Heikkinen
Fixed the copyright year 2012 -> 2013
 r2432 ** Copyright (C) 2013 Digia Plc
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refactoring internal barchart items
 r1674 ** 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 "abstractbarchartitem_p.h"
#include "bar_p.h"
#include "qbarset.h"
#include "qbarset_p.h"
#include "qabstractbarseries.h"
#include "qabstractbarseries_p.h"
#include "qchart.h"
#include "chartpresenter_p.h"
Michal Klocek
Refactor animator...
 r1735 #include "charttheme_p.h"
Marek Rosa
Bar animations refactored
 r2316 #include "baranimation_p.h"
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refactoring internal barchart items
 r1674 #include "chartdataset_p.h"
#include <QPainter>
QTCOMMERCIALCHART_BEGIN_NAMESPACE
Michal Klocek
Refactors internals...
 r2273 AbstractBarChartItem::AbstractBarChartItem(QAbstractBarSeries *series, QGraphicsItem* item) :
ChartItem(series->d_func(),item),
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 r1674 m_animation(0),
m_series(series)
{
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fix: changing barset colors no more triggers layout calculations
 r1917
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 r1674 setFlag(ItemClipsChildrenToShape);
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fix: changing barset colors no more triggers layout calculations
 r1917 connect(series->d_func(), SIGNAL(updatedLayout()), this, SLOT(handleLayoutChanged()));
connect(series->d_func(), SIGNAL(updatedBars()), this, SLOT(handleUpdatedBars()));
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refactoring internal barchart items
 r1674 connect(series->d_func(), SIGNAL(labelsVisibleChanged(bool)), this, SLOT(handleLabelsVisibleChanged(bool)));
connect(series->d_func(), SIGNAL(restructuredBars()), this, SLOT(handleDataStructureChanged()));
connect(series, SIGNAL(visibleChanged()), this, SLOT(handleVisibleChanged()));
Tero Ahola
Added opacity property to QAbstractSeries
 r2067 connect(series, SIGNAL(opacityChanged()), this, SLOT(handleOpacityChanged()));
Marek Rosa
Bar animations refactored
 r2316 setZValue(ChartPresenter::BarSeriesZValue);
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refactoring internal barchart items
 r1674 handleDataStructureChanged();
Marek Rosa
BarChartItems code cleanup
 r2305 handleVisibleChanged();
handleUpdatedBars();
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 r1674 }
AbstractBarChartItem::~AbstractBarChartItem()
{
}
void AbstractBarChartItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
Q_UNUSED(painter);
Q_UNUSED(option);
Q_UNUSED(widget);
}
QRectF AbstractBarChartItem::boundingRect() const
{
return m_rect;
}
void AbstractBarChartItem::applyLayout(const QVector<QRectF> &layout)
{
Marek Rosa
Bar animations refactored
 r2316 QSizeF size = geometry().size();
if (geometry().size().isValid()) {
if (m_animation) {
if (m_layout.count() == 0 || m_oldSize != size) {
initializeLayout();
m_oldSize = size;
}
m_animation->setup(m_layout, layout);
presenter()->startAnimation(m_animation);
} else {
setLayout(layout);
update();
}
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 r1674 }
}
Marek Rosa
Bar animations refactored
 r2316 void AbstractBarChartItem::setAnimation(BarAnimation *animation)
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 r1674 {
m_animation = animation;
}
void AbstractBarChartItem::setLayout(const QVector<QRectF> &layout)
{
if (layout.count() != m_bars.count())
return;
Michal Klocek
Refactors Domain and Axis...
 r1698 m_layout = layout;
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 r1674
Marek Rosa
BarChartItems code cleanup
 r2305 for (int i = 0; i < m_bars.count(); i++) {
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 r1674 m_bars.at(i)->setRect(layout.at(i));
Marek Rosa
BarChartItems code cleanup
 r2305 QGraphicsSimpleTextItem *label = m_labels.at(i);
label->setPos(layout.at(i).center() - label->boundingRect().center());
}
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 r1674 }
//handlers
Michal Klocek
Refactors Domain and Axis...
 r1698 void AbstractBarChartItem::handleDomainUpdated()
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 r1674 {
Michal Klocek
Refactors Domain and Axis...
 r1698 m_domainMinX = domain()->minX();
m_domainMaxX = domain()->maxX();
m_domainMinY = domain()->minY();
m_domainMaxY = domain()->maxY();
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 r1674
Michal Klocek
Refactors internals...
 r2273 QRectF rect(QPointF(0,0),domain()->size());
if(m_rect != rect){
prepareGeometryChange();
m_rect = rect;
}
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 r1674 handleLayoutChanged();
}
void AbstractBarChartItem::handleLayoutChanged()
{
Jani Honkonen
astyle and manual coding style fixes for src-folder
 r2097 if ((m_rect.width() <= 0) || (m_rect.height() <= 0))
return; // rect size zero.
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 r1674 QVector<QRectF> layout = calculateLayout();
applyLayout(layout);
Marek Rosa
BarChart brush and labels fix
 r2311 handleUpdatedBars();
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 r1674 }
void AbstractBarChartItem::handleLabelsVisibleChanged(bool visible)
{
Jani Honkonen
astyle and manual coding style fixes for src-folder
 r2097 foreach (QGraphicsSimpleTextItem *label, m_labels)
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 r1674 label->setVisible(visible);
update();
}
void AbstractBarChartItem::handleDataStructureChanged()
{
Jani Honkonen
astyle and manual coding style fixes for src-folder
 r2097 foreach (QGraphicsItem *item, childItems())
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 r1674 delete item;
m_bars.clear();
m_labels.clear();
m_layout.clear();
// Create new graphic items for bars
for (int c = 0; c < m_series->d_func()->categoryCount(); c++) {
for (int s = 0; s < m_series->count(); s++) {
QBarSet *set = m_series->d_func()->barsetAt(s);
// Bars
Jani Honkonen
astyle and manual coding style fixes for src-folder
 r2097 Bar *bar = new Bar(set, c, this);
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 r1674 m_bars.append(bar);
Jani Honkonen
normalize signal/slot signatures
 r2110 connect(bar, SIGNAL(clicked(int,QBarSet*)), m_series, SIGNAL(clicked(int,QBarSet*)));
connect(bar, SIGNAL(hovered(bool,QBarSet*)), m_series, SIGNAL(hovered(bool,QBarSet*)));
connect(bar, SIGNAL(clicked(int,QBarSet*)), set, SIGNAL(clicked(int)));
connect(bar, SIGNAL(hovered(bool,QBarSet*)), set, SIGNAL(hovered(bool)));
Marek Rosa
Bar animations refactored
 r2316 // m_layout.append(QRectF(0, 0, 1, 1));
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 r1674
// Labels
Marek Rosa
BarChart brush and labels fix
 r2311 m_labels.append(new QGraphicsSimpleTextItem(this));
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 r1674 }
}
Michal Klocek
Refactors internals...
 r2273 if(themeManager()) themeManager()->updateSeries(m_series);
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 r1674 handleLayoutChanged();
Marek Rosa
BarChart brush and labels fix
 r2311 handleVisibleChanged();
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 r1674 }
void AbstractBarChartItem::handleVisibleChanged()
{
bool visible = m_series->isVisible();
sauimone
barlabel visibility fix
 r2309 if (visible)
handleLabelsVisibleChanged(m_series->isLabelsVisible());
else
handleLabelsVisibleChanged(visible);
foreach (QGraphicsItem *bar, m_bars)
bar->setVisible(visible);
Tero Ahola
Added opacity property to QAbstractSeries
 r2067 }
void AbstractBarChartItem::handleOpacityChanged()
{
Jani Honkonen
astyle and manual coding style fixes for src-folder
 r2097 foreach (QGraphicsItem *item, childItems())
Tero Ahola
Added opacity property to QAbstractSeries
 r2067 item->setOpacity(m_series->opacity());
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 r1674 }
sauimone
fix: changing barset colors no more triggers layout calculations
 r1917 void AbstractBarChartItem::handleUpdatedBars()
{
// Handle changes in pen, brush, labels etc.
int categoryCount = m_series->d_func()->categoryCount();
int setCount = m_series->count();
int itemIndex(0);
for (int category = 0; category < categoryCount; category++) {
for (int set = 0; set < setCount; set++) {
Jani Honkonen
more coding style fixes for src-folder...
 r2104 QBarSetPrivate *barSet = m_series->d_func()->barsetAt(set)->d_ptr.data();
Bar *bar = m_bars.at(itemIndex);
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 r1917 bar->setPen(barSet->m_pen);
bar->setBrush(barSet->m_brush);
bar->update();
Jani Honkonen
more coding style fixes for src-folder...
 r2104 QGraphicsSimpleTextItem *label = m_labels.at(itemIndex);
Marek Rosa
BarChartItems code cleanup
 r2305 label->setText(QString("%1").arg(barSet->value(category)));
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 r1917 label->setFont(barSet->m_labelFont);
label->setBrush(barSet->m_labelBrush);
label->update();
itemIndex++;
}
}
}
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 r1674 #include "moc_abstractbarchartitem_p.cpp"
QTCOMMERCIALCHART_END_NAMESPACE