cartesianchartaxis.cpp
198 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 | ||||
** | ||||
Miikka Heikkinen
|
r2574 | ** This file is part of the Qt Enterprise Charts Add-on. | ||
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r2483 | ** | ||
** $QT_BEGIN_LICENSE$ | ||||
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r2574 | ** Licensees holding valid Qt Enterprise licenses may use this file in | ||
** accordance with the Qt Enterprise License Agreement provided with the | ||||
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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 "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> | ||||
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r2592 | #include <QTextDocument> | ||
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r2483 | |||
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); | ||||
} | ||||
} | ||||
Titta Heikkala
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r2608 | QGraphicsTextItem *title = titleItem(); | ||
title->setFont(axis()->titleFont()); | ||||
title->setDefaultTextColor(axis()->titleBrush().color()); | ||||
title->setHtml(axis()->titleText()); | ||||
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r2483 | for (int i = 0; i < count; ++i) { | ||
QGraphicsLineItem *arrow = new QGraphicsLineItem(this); | ||||
QGraphicsLineItem *grid = new QGraphicsLineItem(this); | ||||
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r2539 | QGraphicsTextItem *label = new QGraphicsTextItem(this); | ||
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r2592 | label->document()->setDocumentMargin(ChartPresenter::textMargin()); | ||
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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()); | ||
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 | ||||