|
|
/****************************************************************************
|
|
|
**
|
|
|
** Copyright (C) 2012 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 "chartaxis_p.h"
|
|
|
#include "qaxis.h"
|
|
|
#include "qaxis_p.h"
|
|
|
#include "qaxiscategories_p.h"
|
|
|
#include "chartpresenter_p.h"
|
|
|
#include "chartanimator_p.h"
|
|
|
#include <QPainter>
|
|
|
#include <QDebug>
|
|
|
#include <cmath>
|
|
|
|
|
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
|
|
|
|
ChartAxis::ChartAxis(QAxis *axis,ChartPresenter *presenter) : Chart(presenter),
|
|
|
m_chartAxis(axis),
|
|
|
m_labelsAngle(0),
|
|
|
m_grid(new QGraphicsItemGroup(presenter->rootItem())),
|
|
|
m_shades(new QGraphicsItemGroup(presenter->rootItem())),
|
|
|
m_labels(new QGraphicsItemGroup(presenter->rootItem())),
|
|
|
m_axis(new QGraphicsItemGroup(presenter->rootItem())),
|
|
|
m_min(0),
|
|
|
m_max(0),
|
|
|
m_ticksCount(0),
|
|
|
m_animation(0),
|
|
|
m_minWidth(0),
|
|
|
m_minHeight(0)
|
|
|
{
|
|
|
//initial initialization
|
|
|
m_axis->setZValue(ChartPresenter::AxisZValue);
|
|
|
m_axis->setHandlesChildEvents(false);
|
|
|
|
|
|
m_shades->setZValue(ChartPresenter::ShadesZValue);
|
|
|
m_grid->setZValue(ChartPresenter::GridZValue);
|
|
|
|
|
|
QObject::connect(m_chartAxis->d_ptr.data(),SIGNAL(updated()),this,SLOT(handleAxisUpdated()));
|
|
|
QObject::connect(m_chartAxis->categories()->d_ptr.data(),SIGNAL(updated()),this,SLOT(handleAxisCategoriesUpdated()));
|
|
|
|
|
|
QGraphicsSimpleTextItem item;
|
|
|
m_font = item.font();
|
|
|
|
|
|
handleAxisUpdated();
|
|
|
}
|
|
|
|
|
|
ChartAxis::~ChartAxis()
|
|
|
{
|
|
|
}
|
|
|
|
|
|
void ChartAxis::setAnimation(AxisAnimation* animation)
|
|
|
{
|
|
|
m_animation=animation;
|
|
|
}
|
|
|
|
|
|
void ChartAxis::setLayout(QVector<qreal> &layout)
|
|
|
{
|
|
|
m_layoutVector=layout;
|
|
|
}
|
|
|
|
|
|
void ChartAxis::createItems(int count)
|
|
|
{
|
|
|
if (m_axis->children().size() == 0)
|
|
|
m_axis->addToGroup(new AxisItem(this));
|
|
|
for (int i = 0; i < count; ++i) {
|
|
|
m_grid->addToGroup(new QGraphicsLineItem());
|
|
|
m_labels->addToGroup(new QGraphicsSimpleTextItem());
|
|
|
m_axis->addToGroup(new QGraphicsLineItem());
|
|
|
if ((m_grid->childItems().size())%2 && m_grid->childItems().size()>2) m_shades->addToGroup(new QGraphicsRectItem());
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void ChartAxis::deleteItems(int count)
|
|
|
{
|
|
|
QList<QGraphicsItem *> lines = m_grid->childItems();
|
|
|
QList<QGraphicsItem *> labels = m_labels->childItems();
|
|
|
QList<QGraphicsItem *> shades = m_shades->childItems();
|
|
|
QList<QGraphicsItem *> axis = m_axis->childItems();
|
|
|
|
|
|
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 ChartAxis::updateLayout(QVector<qreal> &layout)
|
|
|
{
|
|
|
int diff = m_layoutVector.size() - layout.size();
|
|
|
|
|
|
if (diff>0) {
|
|
|
deleteItems(diff);
|
|
|
}
|
|
|
else if (diff<0) {
|
|
|
createItems(-diff);
|
|
|
}
|
|
|
|
|
|
if( diff!=0) handleAxisUpdated();
|
|
|
|
|
|
if (m_animation) {
|
|
|
switch(presenter()->state()){
|
|
|
case ChartPresenter::ZoomInState:
|
|
|
m_animation->setAnimationType(AxisAnimation::ZoomInAnimation);
|
|
|
m_animation->setAnimationPoint(presenter()->statePoint());
|
|
|
break;
|
|
|
case ChartPresenter::ZoomOutState:
|
|
|
m_animation->setAnimationType(AxisAnimation::ZoomOutAnimation);
|
|
|
m_animation->setAnimationPoint(presenter()->statePoint());
|
|
|
break;
|
|
|
case ChartPresenter::ScrollUpState:
|
|
|
case ChartPresenter::ScrollLeftState:
|
|
|
m_animation->setAnimationType(AxisAnimation::MoveBackwordAnimation);
|
|
|
break;
|
|
|
case ChartPresenter::ScrollDownState:
|
|
|
case ChartPresenter::ScrollRightState:
|
|
|
m_animation->setAnimationType(AxisAnimation::MoveForwardAnimation);
|
|
|
break;
|
|
|
case ChartPresenter::ShowState:
|
|
|
m_animation->setAnimationType(AxisAnimation::DefaultAnimation);
|
|
|
break;
|
|
|
}
|
|
|
m_animation->setValues(m_layoutVector,layout);
|
|
|
presenter()->startAnimation(m_animation);
|
|
|
}
|
|
|
else {
|
|
|
setLayout(layout);
|
|
|
updateGeometry();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
bool ChartAxis::createLabels(QStringList &labels,qreal min, qreal max,int ticks) const
|
|
|
{
|
|
|
Q_ASSERT(max>min);
|
|
|
Q_ASSERT(ticks>1);
|
|
|
|
|
|
QAxisCategories* categories = m_chartAxis->categories();
|
|
|
|
|
|
bool category = categories->count()>0;
|
|
|
|
|
|
if (!category) {
|
|
|
int n = qMax(int(-floor(log10((max-min)/(ticks-1)))),0);
|
|
|
n++;
|
|
|
for (int i=0; i< ticks; i++) {
|
|
|
qreal value = min + (i * (max - min)/ (ticks-1));
|
|
|
Q_UNUSED(value);
|
|
|
labels << QString::number(value,'f',n);
|
|
|
}
|
|
|
} else {
|
|
|
QList<qreal> values = categories->values();
|
|
|
for (int i=0; i< ticks; i++) {
|
|
|
qreal value = (min + (i * (max - min)/ (ticks-1)));
|
|
|
int j=0;
|
|
|
for (; j<values.count(); j++) {
|
|
|
if (values.at(j) > value) break;
|
|
|
}
|
|
|
if (j!=0) value=values.at(j-1);
|
|
|
|
|
|
QString label = categories->label(value);
|
|
|
labels << label;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
return category;
|
|
|
}
|
|
|
|
|
|
void ChartAxis::setAxisOpacity(qreal opacity)
|
|
|
{
|
|
|
m_axis->setOpacity(opacity);
|
|
|
}
|
|
|
|
|
|
qreal ChartAxis::axisOpacity() const
|
|
|
{
|
|
|
return m_axis->opacity();
|
|
|
}
|
|
|
|
|
|
void ChartAxis::setGridOpacity(qreal opacity)
|
|
|
{
|
|
|
m_grid->setOpacity(opacity);
|
|
|
}
|
|
|
|
|
|
qreal ChartAxis::gridOpacity() const
|
|
|
{
|
|
|
return m_grid->opacity();
|
|
|
}
|
|
|
|
|
|
void ChartAxis::setLabelsOpacity(qreal opacity)
|
|
|
{
|
|
|
m_labels->setOpacity(opacity);
|
|
|
}
|
|
|
|
|
|
qreal ChartAxis::labelsOpacity() const
|
|
|
{
|
|
|
return m_labels->opacity();
|
|
|
}
|
|
|
|
|
|
void ChartAxis::setShadesOpacity(qreal opacity)
|
|
|
{
|
|
|
m_shades->setOpacity(opacity);
|
|
|
}
|
|
|
|
|
|
qreal ChartAxis::shadesOpacity() const
|
|
|
{
|
|
|
return m_shades->opacity();
|
|
|
}
|
|
|
|
|
|
void ChartAxis::setLabelsAngle(int angle)
|
|
|
{
|
|
|
foreach(QGraphicsItem* item , m_labels->childItems()) {
|
|
|
item->setRotation(angle);
|
|
|
}
|
|
|
|
|
|
m_labelsAngle=angle;
|
|
|
}
|
|
|
|
|
|
void ChartAxis::setLabelsPen(const QPen &pen)
|
|
|
{
|
|
|
foreach(QGraphicsItem* item , m_labels->childItems()) {
|
|
|
static_cast<QGraphicsSimpleTextItem*>(item)->setPen(pen);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void ChartAxis::setLabelsBrush(const QBrush &brush)
|
|
|
{
|
|
|
foreach(QGraphicsItem* item , m_labels->childItems()) {
|
|
|
static_cast<QGraphicsSimpleTextItem*>(item)->setBrush(brush);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void ChartAxis::setLabelsFont(const QFont &font)
|
|
|
{
|
|
|
foreach(QGraphicsItem* item , m_labels->childItems()) {
|
|
|
static_cast<QGraphicsSimpleTextItem*>(item)->setFont(font);
|
|
|
}
|
|
|
m_font = font;
|
|
|
}
|
|
|
|
|
|
void ChartAxis::setShadesBrush(const QBrush &brush)
|
|
|
{
|
|
|
foreach(QGraphicsItem* item , m_shades->childItems()) {
|
|
|
static_cast<QGraphicsRectItem*>(item)->setBrush(brush);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void ChartAxis::setShadesPen(const QPen &pen)
|
|
|
{
|
|
|
foreach(QGraphicsItem* item , m_shades->childItems()) {
|
|
|
static_cast<QGraphicsRectItem*>(item)->setPen(pen);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void ChartAxis::setAxisPen(const QPen &pen)
|
|
|
{
|
|
|
foreach(QGraphicsItem* item , m_axis->childItems()) {
|
|
|
static_cast<QGraphicsLineItem*>(item)->setPen(pen);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void ChartAxis::setGridPen(const QPen &pen)
|
|
|
{
|
|
|
foreach(QGraphicsItem* item , m_grid->childItems()) {
|
|
|
static_cast<QGraphicsLineItem*>(item)->setPen(pen);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
bool ChartAxis::isEmpty()
|
|
|
{
|
|
|
return m_rect.isEmpty() || qFuzzyIsNull(m_min - m_max) || m_ticksCount==0;
|
|
|
}
|
|
|
|
|
|
//handlers
|
|
|
|
|
|
void ChartAxis::handleAxisCategoriesUpdated()
|
|
|
{
|
|
|
if (isEmpty()) return;
|
|
|
updateLayout(m_layoutVector);
|
|
|
}
|
|
|
|
|
|
void ChartAxis::handleAxisUpdated()
|
|
|
{
|
|
|
|
|
|
if (isEmpty()) return;
|
|
|
|
|
|
if (m_chartAxis->isAxisVisible()) {
|
|
|
setAxisOpacity(100);
|
|
|
} else {
|
|
|
setAxisOpacity(0);
|
|
|
}
|
|
|
|
|
|
if (m_chartAxis->isGridLineVisible()) {
|
|
|
setGridOpacity(100);
|
|
|
} else {
|
|
|
setGridOpacity(0);
|
|
|
}
|
|
|
|
|
|
if (m_chartAxis->labelsVisible()) {
|
|
|
setLabelsOpacity(100);
|
|
|
} else {
|
|
|
setLabelsOpacity(0);
|
|
|
}
|
|
|
|
|
|
if (m_chartAxis->shadesVisible()) {
|
|
|
setShadesOpacity(100);
|
|
|
} else {
|
|
|
setShadesOpacity(0);
|
|
|
}
|
|
|
|
|
|
setLabelsAngle(m_chartAxis->labelsAngle());
|
|
|
setAxisPen(m_chartAxis->axisPen());
|
|
|
setLabelsPen(m_chartAxis->labelsPen());
|
|
|
setLabelsBrush(m_chartAxis->labelsBrush());
|
|
|
setLabelsFont(m_chartAxis->labelsFont());
|
|
|
setGridPen(m_chartAxis->gridLinePen());
|
|
|
setShadesPen(m_chartAxis->shadesPen());
|
|
|
setShadesBrush(m_chartAxis->shadesBrush());
|
|
|
|
|
|
}
|
|
|
|
|
|
void ChartAxis::handleRangeChanged(qreal min, qreal max,int tickCount)
|
|
|
{
|
|
|
if (qFuzzyIsNull(min - max) || tickCount < 2)
|
|
|
return;
|
|
|
|
|
|
m_min = min;
|
|
|
m_max = max;
|
|
|
m_ticksCount= tickCount;
|
|
|
|
|
|
if (isEmpty()) return;
|
|
|
QVector<qreal> layout = calculateLayout();
|
|
|
updateLayout(layout);
|
|
|
}
|
|
|
|
|
|
void ChartAxis::handleGeometryChanged(const QRectF &rect)
|
|
|
{
|
|
|
if(m_rect != rect)
|
|
|
{
|
|
|
m_rect = rect;
|
|
|
if (isEmpty()) return;
|
|
|
QVector<qreal> layout = calculateLayout();
|
|
|
updateLayout(layout);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
qreal ChartAxis::minimumWidth()
|
|
|
{
|
|
|
if(m_minWidth == 0) updateGeometry();
|
|
|
return m_minWidth;
|
|
|
}
|
|
|
|
|
|
qreal ChartAxis::minimumHeight()
|
|
|
{
|
|
|
if(m_minHeight == 0) updateGeometry();
|
|
|
return m_minHeight;
|
|
|
}
|
|
|
|
|
|
|
|
|
void ChartAxis::axisSelected()
|
|
|
{
|
|
|
qDebug()<<"TODO: axis clicked";
|
|
|
}
|
|
|
|
|
|
#include "moc_chartaxis_p.cpp"
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
