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Fix pie slice label visibility and position on change...
Fix pie slice label visibility and position on change Fixed the visibility of pie slice label when it's change. Also fixed the position of label when changed to horizontal. Task-number: QTRD-2186 Change-Id: I5697be28a99c7c7844b59b7a7059d9a4e131747a Reviewed-by: Miikka Heikkinen <miikka.heikkinen@digia.com>

File last commit:

r2574:599370d0561c
r2628:c23615f6e192
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pieanimation.cpp
110 lines | 3.3 KiB | text/x-c | CppLexer
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc
** All rights reserved.
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**
** 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
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** $QT_END_LICENSE$
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****************************************************************************/
#include "pieanimation_p.h"
#include "piesliceanimation_p.h"
#include "piechartitem_p.h"
QTCOMMERCIALCHART_BEGIN_NAMESPACE
PieAnimation::PieAnimation(PieChartItem *item)
: ChartAnimation(item),
m_item(item)
{
}
PieAnimation::~PieAnimation()
{
}
ChartAnimation *PieAnimation::updateValue(PieSliceItem *sliceItem, const PieSliceData &sliceData)
{
PieSliceAnimation *animation = m_animations.value(sliceItem);
if (!animation) {
animation = new PieSliceAnimation(sliceItem);
m_animations.insert(sliceItem, animation);
} else {
animation->stop();
}
animation->updateValue(sliceData);
animation->setDuration(ChartAnimationDuration);
animation->setEasingCurve(QEasingCurve::OutQuart);
return animation;
}
ChartAnimation *PieAnimation::addSlice(PieSliceItem *sliceItem, const PieSliceData &sliceData, bool startupAnimation)
{
PieSliceAnimation *animation = new PieSliceAnimation(sliceItem);
m_animations.insert(sliceItem, animation);
PieSliceData startValue = sliceData;
startValue.m_radius = 0;
if (startupAnimation)
startValue.m_startAngle = 0;
else
startValue.m_startAngle = sliceData.m_startAngle + (sliceData.m_angleSpan / 2);
startValue.m_angleSpan = 0;
if (sliceData.m_holeRadius > 0)
startValue.m_radius = sliceData.m_holeRadius;
animation->setValue(startValue, sliceData);
animation->setDuration(ChartAnimationDuration);
animation->setEasingCurve(QEasingCurve::OutQuart);
return animation;
}
ChartAnimation *PieAnimation::removeSlice(PieSliceItem *sliceItem)
{
PieSliceAnimation *animation = m_animations.value(sliceItem);
Q_ASSERT(animation);
animation->stop();
PieSliceData endValue = animation->currentSliceValue();
if (endValue.m_holeRadius > 0)
endValue.m_radius = endValue.m_holeRadius;
else
endValue.m_radius = 0;
endValue.m_startAngle = endValue.m_startAngle + endValue.m_angleSpan;
endValue.m_angleSpan = 0;
endValue.m_isLabelVisible = false;
animation->updateValue(endValue);
animation->setDuration(ChartAnimationDuration);
animation->setEasingCurve(QEasingCurve::OutQuart);
// PieSliceItem is the parent of PieSliceAnimation so the animation will be deleted as well..
connect(animation, SIGNAL(finished()), sliceItem, SLOT(deleteLater()));
m_animations.remove(sliceItem);
return animation;
}
void PieAnimation::updateCurrentValue(const QVariant &)
{
// nothing to do...
}
#include "moc_pieanimation_p.cpp"
QTCOMMERCIALCHART_END_NAMESPACE