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#include "divecartesianaxis.h"
#include "divelineitem.h"
#include "divetextitem.h"
#include "helpers.h"
#include <QPen>
#include <QGraphicsScene>
#include <QDebug>
#include <QPropertyAnimation>
#include <QGraphicsView>
#include <QStyleOption>
void DiveCartesianAxis::setMaximum(double maximum)
{
max = maximum;
}
void DiveCartesianAxis::setMinimum(double minimum)
{
min = minimum;
}
void DiveCartesianAxis::setTextColor(const QColor& color)
{
textColor = color;
}
DiveCartesianAxis::DiveCartesianAxis() : orientation(Qt::Horizontal)
{
}
DiveCartesianAxis::~DiveCartesianAxis()
{
}
void DiveCartesianAxis::setOrientation(Qt::Orientation o)
{
orientation = o;
// position the elements on the screen.
setMinimum(minimum());
setMaximum(maximum());
}
void DiveCartesianAxis::updateTicks()
{
QLineF m = line();
QGraphicsView *view = scene()->views().first();
double steps = (max - min) / interval;
double currValue = min;
// Remove the uneeded Ticks / Texts.
if (ticks.size() > steps){
while (ticks.size() > steps){
DiveLineItem *removedLine = ticks.takeLast();
removedLine->animatedHide();
DiveTextItem *removedText = labels.takeLast();
removedText->animatedHide();
}
}
// Move the remaining Ticks / Text to it's corerct position
// Regartind the possibly new values for the Axis
qreal begin = orientation == Qt::Horizontal ? m.x1() : m.y1();
qreal end = orientation == Qt::Horizontal ? m.x2() : m.y2();
double stepSize = orientation == Qt::Horizontal ? (m.x2() - m.x1()) : (m.y2() - m.y1());
stepSize = stepSize / steps;
for(int i = 0, count = ticks.size(); i < count; i++, currValue += interval){
qreal childPos = begin + i * stepSize;
labels[i]->setText(textForValue(currValue));
if ( orientation == Qt::Horizontal ){
ticks[i]->animateMoveTo(childPos, m.y1() + tickSize);
labels[i]->animateMoveTo(childPos, m.y1() + tickSize);
}
else{
ticks[i]->animateMoveTo(m.x1() - tickSize, childPos);
labels[i]->animateMoveTo(m.x1() - tickSize, childPos);
}
}
}
QString DiveCartesianAxis::textForValue(double value)
{
return QString::number(value);
}
void DiveCartesianAxis::setTickSize(qreal size)
{
tickSize = size;
}
void DiveCartesianAxis::setTickInterval(double i)
{
interval = i;
}
qreal DiveCartesianAxis::valueAt(const QPointF& p)
{
QLineF m = line();
double retValue = orientation == Qt::Horizontal ?
max * (p.x() - m.x1()) / (m.x2() - m.x1()) :
max * (p.y() - m.y1()) / (m.y2() - m.y1());
return retValue;
}
qreal DiveCartesianAxis::posAtValue(qreal value)
{
QLineF m = line();
QPointF p = pos();
double size = max - min;
double percent = value / size;
double realSize = orientation == Qt::Horizontal ?
m.x2() - m.x1() :
m.y2() - m.y1();
double retValue = realSize * percent;
retValue = (orientation == Qt::Horizontal) ?
retValue + m.x1() + p.x():
retValue + m.y1() + p.y();
return retValue;
}
qreal DiveCartesianAxis::percentAt(const QPointF& p)
{
qreal value = valueAt(p);
double size = max - min;
double percent = value / size;
return percent;
}
double DiveCartesianAxis::maximum() const
{
return max;
}
double DiveCartesianAxis::minimum() const
{
return min;
}
void DiveCartesianAxis::setColor(const QColor& color)
{
QPen defaultPen(color);
defaultPen.setJoinStyle(Qt::RoundJoin);
defaultPen.setCapStyle(Qt::RoundCap);
defaultPen.setWidth(2);
defaultPen.setCosmetic(true);
setPen(defaultPen);
}
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