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QML chart properties tester to match the current QML api
QML chart properties tester to match the current QML api
Tero Ahola - - Load All Authors

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r2067:10f778f66485
r2096:4834084a6f1a
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abstractbarchartitem.cpp
210 lines | 6.2 KiB | text/x-c | CppLexer
/ src / barchart / abstractbarchartitem.cpp
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sauimone
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"
sauimone
refactoring internal barchart items
 r1674 #include "abstractbaranimation_p.h"
#include "chartdataset_p.h"
#include <QPainter>
QTCOMMERCIALCHART_BEGIN_NAMESPACE
AbstractBarChartItem::AbstractBarChartItem(QAbstractBarSeries *series, ChartPresenter *presenter) :
ChartItem(presenter),
m_animation(0),
m_series(series)
{
sauimone
fix: changing barset colors no more triggers layout calculations
 r1917
sauimone
refactoring internal barchart items
 r1674 setFlag(ItemClipsChildrenToShape);
sauimone
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()));
sauimone
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()));
sauimone
refactoring internal barchart items
 r1674 setZValue(ChartPresenter::BarSeriesZValue);
handleDataStructureChanged();
}
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)
{
if (m_animation) {
m_animation->setup(m_layout,layout);
presenter()->startAnimation(m_animation);
} else {
setLayout(layout);
update();
}
}
void AbstractBarChartItem::setAnimation(AbstractBarAnimation *animation)
{
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;
sauimone
refactoring internal barchart items
 r1674
for (int i=0; i < m_bars.count(); i++) {
m_bars.at(i)->setRect(layout.at(i));
}
}
//handlers
Michal Klocek
Refactors Domain and Axis...
 r1698 void AbstractBarChartItem::handleDomainUpdated()
sauimone
refactoring internal barchart items
 r1674 {
Michal Klocek
Refactors Domain and Axis...
 r1698 m_domainMinX = domain()->minX();
m_domainMaxX = domain()->maxX();
m_domainMinY = domain()->minY();
m_domainMaxY = domain()->maxY();
sauimone
refactoring internal barchart items
 r1674 handleLayoutChanged();
}
void AbstractBarChartItem::handleGeometryChanged(const QRectF &rect)
{
prepareGeometryChange();
m_rect = rect;
handleLayoutChanged();
}
void AbstractBarChartItem::handleLayoutChanged()
{
if ((m_rect.width() <= 0) || (m_rect.height() <= 0)) {
// rect size zero.
return;
}
QVector<QRectF> layout = calculateLayout();
applyLayout(layout);
}
void AbstractBarChartItem::handleLabelsVisibleChanged(bool visible)
{
foreach (QGraphicsSimpleTextItem* label, m_labels) {
label->setVisible(visible);
}
update();
}
void AbstractBarChartItem::handleDataStructureChanged()
{
foreach(QGraphicsItem *item, childItems()) {
delete item;
}
m_bars.clear();
m_labels.clear();
m_layout.clear();
bool labelsVisible = m_series->isLabelsVisible();
// 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
Bar *bar = new Bar(set,c,this);
m_bars.append(bar);
Jani Honkonen
Fix Krazy issues
 r1935 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)));
sauimone
refactoring internal barchart items
 r1674 m_layout.append(QRectF(0, 0, 0, 0));
// Labels
QGraphicsSimpleTextItem *label = new QGraphicsSimpleTextItem(this);
label->setVisible(labelsVisible);
m_labels.append(label);
}
}
presenter()->chartTheme()->decorate(m_series, presenter()->dataSet()->seriesIndex(m_series));
handleLayoutChanged();
}
void AbstractBarChartItem::handleVisibleChanged()
{
bool visible = m_series->isVisible();
handleLabelsVisibleChanged(visible);
Tero Ahola
Added opacity property to QAbstractSeries
 r2067 foreach(QGraphicsItem *item, childItems())
sauimone
refactoring internal barchart items
 r1674 item->setVisible(visible);
Tero Ahola
Added opacity property to QAbstractSeries
 r2067 }
void AbstractBarChartItem::handleOpacityChanged()
{
foreach(QGraphicsItem *item, childItems())
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++) {
QBarSetPrivate* barSet = m_series->d_func()->barsetAt(set)->d_ptr.data();
Bar* bar = m_bars.at(itemIndex);
bar->setPen(barSet->m_pen);
bar->setBrush(barSet->m_brush);
bar->update();
QGraphicsSimpleTextItem* label = m_labels.at(itemIndex);
label->setFont(barSet->m_labelFont);
label->setBrush(barSet->m_labelBrush);
label->update();
itemIndex++;
}
}
}
sauimone
refactoring internal barchart items
 r1674 #include "moc_abstractbarchartitem_p.cpp"
QTCOMMERCIALCHART_END_NAMESPACE