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/******************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the Qt Charts module.
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**
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** $QT_BEGIN_LICENSE:COMM$
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**
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** $QT_END_LICENSE$
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**
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******************************************************************************/
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#include <private/polarchartaxis_p.h>
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#include <private/qabstractaxis_p.h>
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#include <private/chartpresenter_p.h>
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#include <QtCharts/QValueAxis>
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QT_CHARTS_BEGIN_NAMESPACE
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PolarChartAxis::PolarChartAxis(QAbstractAxis *axis, QGraphicsItem *item, bool intervalAxis)
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: ChartAxisElement(axis, item, intervalAxis)
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{
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}
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PolarChartAxis::~PolarChartAxis()
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{
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}
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void PolarChartAxis::setGeometry(const QRectF &axis, const QRectF &grid)
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{
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Q_UNUSED(grid);
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setAxisGeometry(axis);
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if (isEmpty()) {
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prepareGeometryChange();
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return;
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}
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QVector<qreal> layout = calculateLayout();
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updateLayout(layout);
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}
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QRectF PolarChartAxis::gridGeometry() const
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{
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return QRectF();
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}
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void PolarChartAxis::updateLayout(QVector<qreal> &layout)
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{
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int diff = ChartAxisElement::layout().size() - layout.size();
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if (animation()) {
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switch (presenter()->state()) {
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case ChartPresenter::ZoomInState:
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case ChartPresenter::ZoomOutState:
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case ChartPresenter::ScrollUpState:
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case ChartPresenter::ScrollLeftState:
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case ChartPresenter::ScrollDownState:
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case ChartPresenter::ScrollRightState:
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case ChartPresenter::ShowState:
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animation()->setAnimationType(AxisAnimation::DefaultAnimation);
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break;
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}
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// Update to "old" geometry before starting animation to avoid incorrectly sized
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// axes lingering in wrong position compared to series plot before animation can kick in.
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// Note that the position mismatch still exists even with this update, but it will be
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// far less ugly.
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updateGeometry();
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}
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if (diff > 0)
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deleteItems(diff);
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else if (diff < 0)
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createItems(-diff);
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updateMinorTickItems();
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if (animation()) {
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animation()->setValues(ChartAxisElement::layout(), layout);
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presenter()->startAnimation(animation());
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} else {
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setLayout(layout);
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updateGeometry();
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}
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}
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bool PolarChartAxis::isEmpty()
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{
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return !axisGeometry().isValid() || qFuzzyIsNull(min() - max());
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}
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void PolarChartAxis::deleteItems(int count)
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{
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QList<QGraphicsItem *> gridLines = gridItems();
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QList<QGraphicsItem *> labels = labelItems();
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QList<QGraphicsItem *> shades = shadeItems();
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QList<QGraphicsItem *> axis = arrowItems();
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for (int i = 0; i < count; ++i) {
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if (gridItems().size() == 1 || (((gridLines.size() + 1) % 2) && gridLines.size() > 0))
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delete(shades.takeLast());
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delete(gridLines.takeLast());
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delete(labels.takeLast());
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delete(axis.takeLast());
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}
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}
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void PolarChartAxis::handleShadesBrushChanged(const QBrush &brush)
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{
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foreach (QGraphicsItem *item, shadeItems())
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static_cast<QGraphicsPathItem *>(item)->setBrush(brush);
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}
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void PolarChartAxis::handleShadesPenChanged(const QPen &pen)
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{
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foreach (QGraphicsItem *item, shadeItems())
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static_cast<QGraphicsPathItem *>(item)->setPen(pen);
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}
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#include "moc_polarchartaxis_p.cpp"
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QT_CHARTS_END_NAMESPACE
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