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Apply nice numbers on Horizontal bar chart example
Apply nice numbers on Horizontal bar chart example
Marek Rosa - - Load All Authors

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r2316:74962bdcee07
r2350:952072cbcfcc
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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 /****************************************************************************
**
** 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 "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);
sauimone
refactoring internal barchart items
 r1674 handleDataStructureChanged();
Marek Rosa
BarChartItems code cleanup
 r2305 handleVisibleChanged();
handleUpdatedBars();
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refactoring internal barchart items
 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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refactoring internal barchart items
 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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refactoring internal barchart items
 r1674
Marek Rosa
BarChartItems code cleanup
 r2305 for (int i = 0; i < m_bars.count(); i++) {
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refactoring internal barchart items
 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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refactoring internal barchart items
 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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refactoring internal barchart items
 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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refactoring internal barchart items
 r1674 QVector<QRectF> layout = calculateLayout();
applyLayout(layout);
Marek Rosa
BarChart brush and labels fix
 r2311 handleUpdatedBars();
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refactoring internal barchart items
 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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refactoring internal barchart items
 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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refactoring internal barchart items
 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));
sauimone
refactoring internal barchart items
 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);
sauimone
refactoring internal barchart items
 r1674 handleLayoutChanged();
Marek Rosa
BarChart brush and labels fix
 r2311 handleVisibleChanged();
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refactoring internal barchart items
 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());
sauimone
refactoring internal barchart items
 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);
sauimone
fix: changing barset colors no more triggers layout calculations
 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)));
sauimone
fix: changing barset colors no more triggers layout calculations
 r1917 label->setFont(barSet->m_labelFont);
label->setBrush(barSet->m_labelBrush);
label->update();
itemIndex++;
}
}
}
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refactoring internal barchart items
 r1674 #include "moc_abstractbarchartitem_p.cpp"
QTCOMMERCIALCHART_END_NAMESPACE