cartesianchartaxis.cpp
195 lines
| 6.1 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 | ||||
| ** | ||||
| ** This file is part of the Qt Commercial Charts Add-on. | ||||
| ** | ||||
| ** $QT_BEGIN_LICENSE$ | ||||
| ** Licensees holding valid Qt Commercial licenses may use this file in | ||||
| ** accordance with the Qt Commercial 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 "cartesianchartaxis_p.h" | ||||
| #include "qabstractaxis.h" | ||||
| #include "qabstractaxis_p.h" | ||||
| #include "chartpresenter_p.h" | ||||
| #include "abstractchartlayout_p.h" | ||||
| #include "abstractdomain_p.h" | ||||
| #include "linearrowitem_p.h" | ||||
| #include <QValueAxis> | ||||
| #include <QLogValueAxis> | ||||
| #include <QGraphicsLayout> | ||||
| QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
| CartesianChartAxis::CartesianChartAxis(QAbstractAxis *axis, QGraphicsItem *item , bool intervalAxis) | ||||
| : ChartAxisElement(axis, item, intervalAxis) | ||||
| { | ||||
| Q_ASSERT(item); | ||||
| } | ||||
| CartesianChartAxis::~CartesianChartAxis() | ||||
| { | ||||
| } | ||||
| void CartesianChartAxis::createItems(int count) | ||||
| { | ||||
| if (arrowItems().size() == 0) { | ||||
| QGraphicsLineItem *arrow = new LineArrowItem(this, this); | ||||
| arrow->setPen(axis()->linePen()); | ||||
| arrowGroup()->addToGroup(arrow); | ||||
| } | ||||
| if (intervalAxis() && gridItems().size() == 0) { | ||||
| for (int i = 0 ; i < 2 ; i ++){ | ||||
| QGraphicsLineItem *item = new QGraphicsLineItem(this); | ||||
| item->setPen(axis()->gridLinePen()); | ||||
| gridGroup()->addToGroup(item); | ||||
| } | ||||
| } | ||||
| for (int i = 0; i < count; ++i) { | ||||
| QGraphicsLineItem *arrow = new QGraphicsLineItem(this); | ||||
| QGraphicsLineItem *grid = new QGraphicsLineItem(this); | ||||
|
Miikka Heikkinen
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r2539 | QGraphicsTextItem *label = new QGraphicsTextItem(this); | ||
| QGraphicsTextItem *title = titleItem(); | ||||
|
Miikka Heikkinen
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r2483 | arrow->setPen(axis()->linePen()); | ||
| grid->setPen(axis()->gridLinePen()); | ||||
| label->setFont(axis()->labelsFont()); | ||||
|
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r2539 | label->setDefaultTextColor(axis()->labelsBrush().color()); | ||
|
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r2483 | label->setRotation(axis()->labelsAngle()); | ||
| title->setFont(axis()->titleFont()); | ||||
|
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r2539 | title->setDefaultTextColor(axis()->titleBrush().color()); | ||
| title->setHtml(axis()->titleText()); | ||||
|
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r2483 | arrowGroup()->addToGroup(arrow); | ||
| gridGroup()->addToGroup(grid); | ||||
| labelGroup()->addToGroup(label); | ||||
| if ((gridItems().size()) % 2 && gridItems().size() > 2) { | ||||
| QGraphicsRectItem* shades = new QGraphicsRectItem(this); | ||||
| shades->setPen(axis()->shadesPen()); | ||||
| shades->setBrush(axis()->shadesBrush()); | ||||
| shadeGroup()->addToGroup(shades); | ||||
| } | ||||
| } | ||||
| } | ||||
| void CartesianChartAxis::deleteItems(int count) | ||||
| { | ||||
| QList<QGraphicsItem *> lines = gridItems(); | ||||
| QList<QGraphicsItem *> labels = labelItems(); | ||||
| QList<QGraphicsItem *> shades = shadeItems(); | ||||
| QList<QGraphicsItem *> axis = arrowItems(); | ||||
| for (int i = 0; i < count; ++i) { | ||||
| if (lines.size() % 2 && lines.size() > 1) | ||||
| delete(shades.takeLast()); | ||||
| delete(lines.takeLast()); | ||||
| delete(labels.takeLast()); | ||||
| delete(axis.takeLast()); | ||||
| } | ||||
| } | ||||
| void CartesianChartAxis::updateLayout(QVector<qreal> &layout) | ||||
| { | ||||
| int diff = ChartAxisElement::layout().size() - layout.size(); | ||||
| if (diff > 0) | ||||
| deleteItems(diff); | ||||
| else if (diff < 0) | ||||
| createItems(-diff); | ||||
| if (animation()) { | ||||
| switch (presenter()->state()) { | ||||
| case ChartPresenter::ZoomInState: | ||||
| animation()->setAnimationType(AxisAnimation::ZoomInAnimation); | ||||
| animation()->setAnimationPoint(presenter()->statePoint()); | ||||
| break; | ||||
| case ChartPresenter::ZoomOutState: | ||||
| animation()->setAnimationType(AxisAnimation::ZoomOutAnimation); | ||||
| animation()->setAnimationPoint(presenter()->statePoint()); | ||||
| break; | ||||
| case ChartPresenter::ScrollUpState: | ||||
| case ChartPresenter::ScrollLeftState: | ||||
| animation()->setAnimationType(AxisAnimation::MoveBackwordAnimation); | ||||
| break; | ||||
| case ChartPresenter::ScrollDownState: | ||||
| case ChartPresenter::ScrollRightState: | ||||
| animation()->setAnimationType(AxisAnimation::MoveForwardAnimation); | ||||
| break; | ||||
| case ChartPresenter::ShowState: | ||||
| animation()->setAnimationType(AxisAnimation::DefaultAnimation); | ||||
| break; | ||||
| } | ||||
| animation()->setValues(ChartAxisElement::layout(), layout); | ||||
| presenter()->startAnimation(animation()); | ||||
| } else { | ||||
| setLayout(layout); | ||||
| updateGeometry(); | ||||
| } | ||||
| } | ||||
| bool CartesianChartAxis::isEmpty() | ||||
| { | ||||
| return axisGeometry().isEmpty() | ||||
| || gridGeometry().isEmpty() | ||||
| || qFuzzyCompare(min(), max()); | ||||
| } | ||||
| void CartesianChartAxis::setGeometry(const QRectF &axis, const QRectF &grid) | ||||
| { | ||||
| m_gridRect = grid; | ||||
| setAxisGeometry(axis); | ||||
| if (isEmpty()) | ||||
| return; | ||||
| QVector<qreal> layout = calculateLayout(); | ||||
| updateLayout(layout); | ||||
| } | ||||
| QSizeF CartesianChartAxis::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const | ||||
| { | ||||
| Q_UNUSED(which); | ||||
| Q_UNUSED(constraint); | ||||
| return QSizeF(); | ||||
| } | ||||
| void CartesianChartAxis::handleArrowPenChanged(const QPen &pen) | ||||
| { | ||||
| foreach (QGraphicsItem *item, arrowItems()) | ||||
| static_cast<QGraphicsLineItem *>(item)->setPen(pen); | ||||
| } | ||||
| void CartesianChartAxis::handleGridPenChanged(const QPen &pen) | ||||
| { | ||||
| foreach (QGraphicsItem *item, gridItems()) | ||||
| static_cast<QGraphicsLineItem *>(item)->setPen(pen); | ||||
| } | ||||
| void CartesianChartAxis::handleShadesBrushChanged(const QBrush &brush) | ||||
| { | ||||
| foreach (QGraphicsItem *item, shadeItems()) | ||||
| static_cast<QGraphicsRectItem *>(item)->setBrush(brush); | ||||
| } | ||||
| void CartesianChartAxis::handleShadesPenChanged(const QPen &pen) | ||||
| { | ||||
| foreach (QGraphicsItem *item, shadeItems()) | ||||
| static_cast<QGraphicsRectItem *>(item)->setPen(pen); | ||||
| } | ||||
| #include "moc_cartesianchartaxis_p.cpp" | ||||
| QTCOMMERCIALCHART_END_NAMESPACE | ||||