1 files changed, 135 insertions, 0 deletions
diff --git a/src/charts/animations/axisanimation.cpp b/src/charts/animations/axisanimation.cpp
new file mode 100644
index 00000000..ef346287
--- /dev/null
+++ b/src/charts/animations/axisanimation.cpp
@@ -0,0 +1,135 @@
+/****************************************************************************
+**
+** 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 "axisanimation_p.h"
+#include "chartaxiselement_p.h"
+#include "qabstractaxis_p.h"
+
+Q_DECLARE_METATYPE(QVector<qreal>)
+
+QT_CHARTS_BEGIN_NAMESPACE
+
+
+AxisAnimation::AxisAnimation(ChartAxisElement *axis)
+    : ChartAnimation(axis),
+      m_axis(axis),
+      m_type(DefaultAnimation)
+{
+    setDuration(ChartAnimationDuration);
+    setEasingCurve(QEasingCurve::OutQuart);
+}
+
+AxisAnimation::~AxisAnimation()
+{
+}
+
+void AxisAnimation::setAnimationType(Animation type)
+{
+    if (state() != QAbstractAnimation::Stopped)
+        stop();
+    m_type = type;
+}
+
+void AxisAnimation::setAnimationPoint(const QPointF &point)
+{
+    if (state() != QAbstractAnimation::Stopped)
+        stop();
+    m_point = point;
+}
+
+void AxisAnimation::setValues(QVector<qreal> &oldLayout, QVector<qreal> &newLayout)
+{
+    if (state() != QAbstractAnimation::Stopped) stop();
+
+    switch (m_type) {
+    case ZoomOutAnimation: {
+        QRectF rect = m_axis->gridGeometry();
+        oldLayout.resize(newLayout.count());
+
+        for (int i = 0, j = oldLayout.count() - 1; i < (oldLayout.count() + 1) / 2; ++i, --j) {
+            oldLayout[i] = m_axis->axis()->orientation() == Qt::Horizontal ? rect.left() : rect.bottom();
+            oldLayout[j] = m_axis->axis()->orientation() == Qt::Horizontal ? rect.right() : rect.top();
+        }
+    }
+    break;
+    case ZoomInAnimation: {
+        int index = qMin(oldLayout.count() * (m_axis->axis()->orientation() == Qt::Horizontal ? m_point.x() : (1 - m_point.y())), newLayout.count() - (qreal)1.0);
+        oldLayout.resize(newLayout.count());
+
+        for (int i = 0; i < oldLayout.count(); i++)
+            oldLayout[i] = oldLayout[index];
+    }
+    break;
+    case MoveForwardAnimation: {
+        oldLayout.resize(newLayout.count());
+
+        for (int i = 0, j = i + 1; i < oldLayout.count() - 1; ++i, ++j)
+            oldLayout[i] = oldLayout[j];
+    }
+    break;
+    case MoveBackwordAnimation: {
+        oldLayout.resize(newLayout.count());
+
+        for (int i = oldLayout.count() - 1, j = i - 1; i > 0; --i, --j)
+            oldLayout[i] = oldLayout[j];
+    }
+    break;
+    default: {
+        oldLayout.resize(newLayout.count());
+        QRectF rect = m_axis->gridGeometry();
+        for (int i = 0, j = oldLayout.count() - 1; i < oldLayout.count(); ++i, --j)
+            oldLayout[i] = m_axis->axis()->orientation() == Qt::Horizontal ? rect.left() : rect.top();
+    }
+    break;
+    }
+
+    QVariantAnimation::KeyValues value;
+    setKeyValues(value); //workaround for wrong interpolation call
+    setKeyValueAt(0.0, qVariantFromValue(oldLayout));
+    setKeyValueAt(1.0, qVariantFromValue(newLayout));
+}
+
+QVariant AxisAnimation::interpolated(const QVariant &start, const QVariant &end, qreal progress) const
+{
+    QVector<qreal> startVector = qvariant_cast<QVector<qreal> >(start);
+    QVector<qreal> endVecotr = qvariant_cast<QVector<qreal> >(end);
+    QVector<qreal> result;
+
+    Q_ASSERT(startVector.count() == endVecotr.count()) ;
+
+    for (int i = 0; i < startVector.count(); i++) {
+        qreal value = startVector[i] + ((endVecotr[i] - startVector[i]) * progress);
+        result << value;
+    }
+    return qVariantFromValue(result);
+}
+
+
+void AxisAnimation::updateCurrentValue(const QVariant &value)
+{
+    if (state() != QAbstractAnimation::Stopped) { //workaround
+        QVector<qreal> vector = qvariant_cast<QVector<qreal> >(value);
+        m_axis->setLayout(vector);
+        m_axis->updateGeometry();
+    }
+
+}
+
+QT_CHARTS_END_NAMESPACE