1 files changed, 110 insertions, 0 deletions
diff --git a/src/charts/animations/pieanimation.cpp b/src/charts/animations/pieanimation.cpp
new file mode 100644
index 00000000..30d6865f
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+++ b/src/charts/animations/pieanimation.cpp
@@ -0,0 +1,110 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 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 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
+** contact form at http://qt.digia.com
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "pieanimation_p.h"
+#include "piesliceanimation_p.h"
+#include "piechartitem_p.h"
+
+QT_CHARTS_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"
+
+QT_CHARTS_END_NAMESPACE