polarchartaxis.cpp
126 lines
| 3.6 KiB
| text/x-c
|
CppLexer
Miikka Heikkinen
|
r2483 | /**************************************************************************** | ||
| ** | ||||
| ** Copyright (C) 2013 Digia Plc | ||||
| ** All rights reserved. | ||||
| ** For any questions to Digia, please use contact form at http://qt.digia.com | ||||
| ** | ||||
|
Miikka Heikkinen
|
r2574 | ** This file is part of the Qt Enterprise Charts Add-on. | ||
|
Miikka Heikkinen
|
r2483 | ** | ||
| ** $QT_BEGIN_LICENSE$ | ||||
|
Miikka Heikkinen
|
r2574 | ** Licensees holding valid Qt Enterprise licenses may use this file in | ||
| ** accordance with the Qt Enterprise License Agreement provided with the | ||||
|
Miikka Heikkinen
|
r2483 | ** 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 "polarchartaxis_p.h" | ||||
| #include "qabstractaxis_p.h" | ||||
| #include "chartpresenter_p.h" | ||||
| QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
| PolarChartAxis::PolarChartAxis(QAbstractAxis *axis, QGraphicsItem *item, bool intervalAxis) | ||||
| : ChartAxisElement(axis, item, intervalAxis) | ||||
| { | ||||
| } | ||||
| PolarChartAxis::~PolarChartAxis() | ||||
| { | ||||
| } | ||||
| void PolarChartAxis::setGeometry(const QRectF &axis, const QRectF &grid) | ||||
| { | ||||
| Q_UNUSED(grid); | ||||
| setAxisGeometry(axis); | ||||
| if (isEmpty()) | ||||
| return; | ||||
| QVector<qreal> layout = calculateLayout(); | ||||
| updateLayout(layout); | ||||
| } | ||||
| QRectF PolarChartAxis::gridGeometry() const | ||||
| { | ||||
| return QRectF(); | ||||
| } | ||||
| void PolarChartAxis::updateLayout(QVector<qreal> &layout) | ||||
| { | ||||
| int diff = ChartAxisElement::layout().size() - layout.size(); | ||||
| if (animation()) { | ||||
| switch (presenter()->state()) { | ||||
|
Miikka Heikkinen
|
r2504 | case ChartPresenter::ZoomInState: | ||
| case ChartPresenter::ZoomOutState: | ||||
| case ChartPresenter::ScrollUpState: | ||||
| case ChartPresenter::ScrollLeftState: | ||||
| case ChartPresenter::ScrollDownState: | ||||
| case ChartPresenter::ScrollRightState: | ||||
|
Miikka Heikkinen
|
r2483 | case ChartPresenter::ShowState: | ||
| animation()->setAnimationType(AxisAnimation::DefaultAnimation); | ||||
| break; | ||||
| } | ||||
| // Update to "old" geometry before starting animation to avoid incorrectly sized | ||||
| // axes lingering in wrong position compared to series plot before animation can kick in. | ||||
| // Note that the position mismatch still exists even with this update, but it will be | ||||
| // far less ugly. | ||||
| updateGeometry(); | ||||
| } | ||||
| if (diff > 0) | ||||
| deleteItems(diff); | ||||
| else if (diff < 0) | ||||
| createItems(-diff); | ||||
| if (animation()) { | ||||
| animation()->setValues(ChartAxisElement::layout(), layout); | ||||
| presenter()->startAnimation(animation()); | ||||
| } else { | ||||
| setLayout(layout); | ||||
| updateGeometry(); | ||||
| } | ||||
| } | ||||
| bool PolarChartAxis::isEmpty() | ||||
| { | ||||
| return !axisGeometry().isValid() || qFuzzyIsNull(min() - max()); | ||||
| } | ||||
| void PolarChartAxis::deleteItems(int count) | ||||
| { | ||||
| QList<QGraphicsItem *> gridLines = gridItems(); | ||||
| QList<QGraphicsItem *> labels = labelItems(); | ||||
| QList<QGraphicsItem *> shades = shadeItems(); | ||||
| QList<QGraphicsItem *> axis = arrowItems(); | ||||
| for (int i = 0; i < count; ++i) { | ||||
| if (gridItems().size() == 1 || (((gridLines.size() + 1) % 2) && gridLines.size() > 0)) | ||||
| delete(shades.takeLast()); | ||||
| delete(gridLines.takeLast()); | ||||
| delete(labels.takeLast()); | ||||
| delete(axis.takeLast()); | ||||
| } | ||||
| } | ||||
| void PolarChartAxis::handleShadesBrushChanged(const QBrush &brush) | ||||
| { | ||||
| foreach (QGraphicsItem *item, shadeItems()) | ||||
| static_cast<QGraphicsPathItem *>(item)->setBrush(brush); | ||||
| } | ||||
| void PolarChartAxis::handleShadesPenChanged(const QPen &pen) | ||||
| { | ||||
| foreach (QGraphicsItem *item, shadeItems()) | ||||
| static_cast<QGraphicsPathItem *>(item)->setPen(pen); | ||||
| } | ||||
| #include "moc_polarchartaxis_p.cpp" | ||||
| QTCOMMERCIALCHART_END_NAMESPACE | ||||