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             xychartitem.cpp
        
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        Jani Honkonen
    
Add license headers

              r794
            
      /****************************************************************************

      **

      ** 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

      ** $QT_END_LICENSE$

      **

      ****************************************************************************/

        Michal Klocek
    
Add missing files from previous commit

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      #include "xychartitem_p.h"

      #include "qxyseries.h"

      #include "chartpresenter_p.h"

        Michal Klocek
    
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      #include "chartanimator_p.h"

        Michal Klocek
    
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      #include <QPainter>

        Michal Klocek
    
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      #include <QGraphicsSceneMouseEvent>

        Michal Klocek
    
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      QTCOMMERCIALCHART_BEGIN_NAMESPACE

      //TODO: optimize : remove points which are not visible

        sauimone
    
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              r743
            
      XYChartItem::XYChartItem(QXYSeries *series, ChartPresenter *presenter):ChartItem(presenter),

          m_minX(0),

          m_maxX(0),

          m_minY(0),

          m_maxY(0),

          m_series(series)

        Michal Klocek
    
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      {

        sauimone
    
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              r743
            
          connect(series,SIGNAL(pointReplaced(int)),this,SLOT(handlePointReplaced(int)));

          connect(series,SIGNAL(pointAdded(int)),this,SLOT(handlePointAdded(int)));

          connect(series,SIGNAL(pointRemoved(int)),this,SLOT(handlePointRemoved(int)));

          connect(this,SIGNAL(clicked(const QPointF&)),series,SIGNAL(clicked(const QPointF&)));

        Michal Klocek
    
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              r466
            
      }

        sauimone
    
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              r743
            
      QPointF XYChartItem::calculateGeometryPoint(const QPointF &point) const

        Michal Klocek
    
Add missing files from previous commit

              r466
            
      {

          const qreal deltaX = m_size.width()/(m_maxX-m_minX);

          const qreal deltaY = m_size.height()/(m_maxY-m_minY);

          qreal x = (point.x() - m_minX)* deltaX;

          qreal y = (point.y() - m_minY)*-deltaY + m_size.height();

          return QPointF(x,y);

      }

      QPointF XYChartItem::calculateGeometryPoint(int index) const

      {

          const qreal deltaX = m_size.width()/(m_maxX-m_minX);

          const qreal deltaY = m_size.height()/(m_maxY-m_minY);

          qreal x = (m_series->x(index) - m_minX)* deltaX;

          qreal y = (m_series->y(index) - m_minY)*-deltaY + m_size.height();

          return QPointF(x,y);

      }

      QVector<QPointF> XYChartItem::calculateGeometryPoints() const

      {

          const qreal deltaX = m_size.width()/(m_maxX-m_minX);

          const qreal deltaY = m_size.height()/(m_maxY-m_minY);

          QVector<QPointF> points;

          points.reserve(m_series->count());

          for (int i = 0; i < m_series->count(); ++i) {

        sauimone
    
minor code review issues. indent, spaces, brackets etc.

              r743
            
              qreal x = (m_series->x(i) - m_minX)* deltaX;

              qreal y = (m_series->y(i) - m_minY)*-deltaY + m_size.height();

              points << QPointF(x,y);

        Michal Klocek
    
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          }

          return points;

      }

        sauimone
    
minor code review issues. indent, spaces, brackets etc.

              r743
            
      QPointF XYChartItem::calculateDomainPoint(const QPointF &point) const

        Michal Klocek
    
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              r544
            
      {

          const qreal deltaX = m_size.width()/(m_maxX-m_minX);

          const qreal deltaY = m_size.height()/(m_maxY-m_minY);

          qreal x = point.x()/deltaX +m_minX;

          qreal y = (point.y()-m_size.height())/(-deltaY)+ m_minY;

          return QPointF(x,y);

      }

        sauimone
    
minor code review issues. indent, spaces, brackets etc.

              r743
            
      void XYChartItem::updateLayout(QVector<QPointF> &oldPoints, QVector<QPointF> &newPoints,int index)

        Michal Klocek
    
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      {

        sauimone
    
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              r743
            
          if (animator()) {

              animator()->updateLayout(this,oldPoints,newPoints,index);

          } else {

        Michal Klocek
    
Improves spline interpolation...

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              setLayout(newPoints);

        Michal Klocek
    
Animation refactor...

              r530
            
          }

        Michal Klocek
    
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      }

        sauimone
    
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              r743
            
      void XYChartItem::setLayout(QVector<QPointF> &points)

        Michal Klocek
    
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      {

          m_points = points;

        Michal Klocek
    
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          update();

        Michal Klocek
    
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      }

      //handlers

      void XYChartItem::handlePointAdded(int index)

      {

          Q_ASSERT(index<m_series->count());

          Q_ASSERT(index>=0);

          QPointF point = calculateGeometryPoint(index);

          QVector<QPointF> points = m_points;

        Michal Klocek
    
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              r622
            
          points.insert(index,point);

          updateLayout(m_points,points,index);

        Michal Klocek
    
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              r466
            
          update();

      }

      void XYChartItem::handlePointRemoved(int index)

      {

        Marek Rosa
    
Added support for adding and removing data with model. Updated the example

              r545
            
          Q_ASSERT(index<m_series->count() + 1);

        Michal Klocek
    
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              r466
            
          Q_ASSERT(index>=0);

          QVector<QPointF> points = m_points;

          points.remove(index);

        Michal Klocek
    
Improves spline interpolation...

              r622
            
          updateLayout(m_points,points,index);

        Michal Klocek
    
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          update();

      }

      void XYChartItem::handlePointReplaced(int index)

      {

          Q_ASSERT(index<m_series->count());

          Q_ASSERT(index>=0);

          QPointF point = calculateGeometryPoint(index);

        Michal Klocek
    
Refactor animation to fit line,spline,scatter...

              r476
            
          QVector<QPointF> points = m_points;

        Marek Rosa
    
QXYSeries: model data orientation added. QBarSeries: some model data function placeholders

              r527
            
          points.replace(index,point);

        Michal Klocek
    
Improves spline interpolation...

              r622
            
          updateLayout(m_points,points,index);

        Michal Klocek
    
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          update();

      }

      void XYChartItem::handleDomainChanged(qreal minX, qreal maxX, qreal minY, qreal maxY)

      {

          m_minX=minX;

          m_maxX=maxX;

          m_minY=minY;

          m_maxY=maxY;

        sauimone
    
minor code review issues. indent, spaces, brackets etc.

              r743
            
          if (isEmpty()) return;

        Michal Klocek
    
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              r466
            
          QVector<QPointF> points = calculateGeometryPoints();

        Michal Klocek
    
Improves spline interpolation...

              r622
            
          updateLayout(m_points,points);

        Michal Klocek
    
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          update();

      }

        sauimone
    
minor code review issues. indent, spaces, brackets etc.

              r743
            
      void XYChartItem::handleGeometryChanged(const QRectF &rect)

        Michal Klocek
    
Add missing files from previous commit

              r466
            
      {

      	Q_ASSERT(rect.isValid());

      	m_size=rect.size();

      	m_clipRect=rect.translated(-rect.topLeft());

      	setPos(rect.topLeft());

        sauimone
    
minor code review issues. indent, spaces, brackets etc.

              r743
            
          if (isEmpty()) return;

        Michal Klocek
    
Add missing files from previous commit

              r466
            
      	QVector<QPointF> points = calculateGeometryPoints();

        Michal Klocek
    
Improves spline interpolation...

              r622
            
      	updateLayout(m_points,points);

        Michal Klocek
    
Add missing files from previous commit

              r466
            
      	update();

      }

      bool XYChartItem::isEmpty()

      {

        Jani Honkonen
    
Use qFuzzyIsNull to compare (in)equality of real values

              r768
            
         return !m_clipRect.isValid() || qFuzzyIsNull(m_maxX - m_minX) || qFuzzyIsNull(m_maxY - m_minY);

        Michal Klocek
    
Add missing files from previous commit

              r466
            
      }

        sauimone
    
minor code review issues. indent, spaces, brackets etc.

              r743
            
      void XYChartItem::mousePressEvent(QGraphicsSceneMouseEvent *event)

        Michal Klocek
    
Refactors click signal to line,area,spline,scatter charts

              r571
            
      {

          emit clicked(calculateDomainPoint(event->pos()));

      }

        Michal Klocek
    
Add missing files from previous commit

              r466
            
      #include "moc_xychartitem_p.cpp"

      QTCOMMERCIALCHART_END_NAMESPACE

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Jani Honkonen Add license headers	r794	/****************************************************************************
		**
		** 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
		** $QT_END_LICENSE$
		**
		****************************************************************************/

Michal Klocek Add missing files from previous commit	r466	#include "xychartitem_p.h"
		#include "qxyseries.h"
		#include "chartpresenter_p.h"
Michal Klocek Animation refactor...	r530	#include "chartanimator_p.h"
Michal Klocek Add missing files from previous commit	r466	#include <QPainter>
Michal Klocek Refactors click signal to line,area,spline,scatter charts	r571	#include <QGraphicsSceneMouseEvent>
Michal Klocek Add missing files from previous commit	r466

		QTCOMMERCIALCHART_BEGIN_NAMESPACE

		//TODO: optimize : remove points which are not visible

sauimone minor code review issues. indent, spaces, brackets etc.	r743	XYChartItem::XYChartItem(QXYSeries series, ChartPresenter presenter):ChartItem(presenter),
		m_minX(0),
		m_maxX(0),
		m_minY(0),
		m_maxY(0),
		m_series(series)
Michal Klocek Add missing files from previous commit	r466	{
sauimone minor code review issues. indent, spaces, brackets etc.	r743	connect(series,SIGNAL(pointReplaced(int)),this,SLOT(handlePointReplaced(int)));
		connect(series,SIGNAL(pointAdded(int)),this,SLOT(handlePointAdded(int)));
		connect(series,SIGNAL(pointRemoved(int)),this,SLOT(handlePointRemoved(int)));
		connect(this,SIGNAL(clicked(const QPointF&)),series,SIGNAL(clicked(const QPointF&)));
Michal Klocek Add missing files from previous commit	r466	}

sauimone minor code review issues. indent, spaces, brackets etc.	r743	QPointF XYChartItem::calculateGeometryPoint(const QPointF &point) const
Michal Klocek Add missing files from previous commit	r466	{
		const qreal deltaX = m_size.width()/(m_maxX-m_minX);
		const qreal deltaY = m_size.height()/(m_maxY-m_minY);
		qreal x = (point.x() - m_minX)* deltaX;
		qreal y = (point.y() - m_minY)*-deltaY + m_size.height();
		return QPointF(x,y);
		}


		QPointF XYChartItem::calculateGeometryPoint(int index) const
		{
		const qreal deltaX = m_size.width()/(m_maxX-m_minX);
		const qreal deltaY = m_size.height()/(m_maxY-m_minY);
		qreal x = (m_series->x(index) - m_minX)* deltaX;
		qreal y = (m_series->y(index) - m_minY)*-deltaY + m_size.height();
		return QPointF(x,y);
		}

		QVector<QPointF> XYChartItem::calculateGeometryPoints() const
		{
		const qreal deltaX = m_size.width()/(m_maxX-m_minX);
		const qreal deltaY = m_size.height()/(m_maxY-m_minY);

		QVector<QPointF> points;
		points.reserve(m_series->count());
		for (int i = 0; i < m_series->count(); ++i) {
sauimone minor code review issues. indent, spaces, brackets etc.	r743	qreal x = (m_series->x(i) - m_minX)* deltaX;
		qreal y = (m_series->y(i) - m_minY)*-deltaY + m_size.height();
		points << QPointF(x,y);
Michal Klocek Add missing files from previous commit	r466	}
		return points;
		}

sauimone minor code review issues. indent, spaces, brackets etc.	r743	QPointF XYChartItem::calculateDomainPoint(const QPointF &point) const
Michal Klocek Adds clicked(Point) to lineSeries, changes visible points handling	r544	{
		const qreal deltaX = m_size.width()/(m_maxX-m_minX);
		const qreal deltaY = m_size.height()/(m_maxY-m_minY);
		qreal x = point.x()/deltaX +m_minX;
		qreal y = (point.y()-m_size.height())/(-deltaY)+ m_minY;
		return QPointF(x,y);
		}

sauimone minor code review issues. indent, spaces, brackets etc.	r743	void XYChartItem::updateLayout(QVector<QPointF> &oldPoints, QVector<QPointF> &newPoints,int index)
Michal Klocek Add missing files from previous commit	r466	{
sauimone minor code review issues. indent, spaces, brackets etc.	r743	if (animator()) {
		animator()->updateLayout(this,oldPoints,newPoints,index);
		} else {
Michal Klocek Improves spline interpolation...	r622	setLayout(newPoints);
Michal Klocek Animation refactor...	r530	}
Michal Klocek Add missing files from previous commit	r466	}

sauimone minor code review issues. indent, spaces, brackets etc.	r743	void XYChartItem::setLayout(QVector<QPointF> &points)
Michal Klocek Add missing files from previous commit	r466	{
		m_points = points;
Michal Klocek Improves spline interpolation...	r622	update();
Michal Klocek Add missing files from previous commit	r466	}

		//handlers

		void XYChartItem::handlePointAdded(int index)
		{
		Q_ASSERT(index<m_series->count());
		Q_ASSERT(index>=0);
		QPointF point = calculateGeometryPoint(index);
		QVector<QPointF> points = m_points;
Michal Klocek Improves spline interpolation...	r622	points.insert(index,point);
		updateLayout(m_points,points,index);
Michal Klocek Add missing files from previous commit	r466	update();
		}
		void XYChartItem::handlePointRemoved(int index)
		{
Marek Rosa Added support for adding and removing data with model. Updated the example	r545	Q_ASSERT(index<m_series->count() + 1);
Michal Klocek Add missing files from previous commit	r466	Q_ASSERT(index>=0);
		QVector<QPointF> points = m_points;
		points.remove(index);
Michal Klocek Improves spline interpolation...	r622	updateLayout(m_points,points,index);
Michal Klocek Add missing files from previous commit	r466	update();
		}

		void XYChartItem::handlePointReplaced(int index)
		{
		Q_ASSERT(index<m_series->count());
		Q_ASSERT(index>=0);
		QPointF point = calculateGeometryPoint(index);
Michal Klocek Refactor animation to fit line,spline,scatter...	r476	QVector<QPointF> points = m_points;
Marek Rosa QXYSeries: model data orientation added. QBarSeries: some model data function placeholders	r527	points.replace(index,point);
Michal Klocek Improves spline interpolation...	r622	updateLayout(m_points,points,index);
Michal Klocek Add missing files from previous commit	r466	update();
		}

		void XYChartItem::handleDomainChanged(qreal minX, qreal maxX, qreal minY, qreal maxY)
		{
		m_minX=minX;
		m_maxX=maxX;
		m_minY=minY;
		m_maxY=maxY;

sauimone minor code review issues. indent, spaces, brackets etc.	r743	if (isEmpty()) return;
Michal Klocek Add missing files from previous commit	r466	QVector<QPointF> points = calculateGeometryPoints();
Michal Klocek Improves spline interpolation...	r622	updateLayout(m_points,points);
Michal Klocek Add missing files from previous commit	r466	update();
		}

sauimone minor code review issues. indent, spaces, brackets etc.	r743	void XYChartItem::handleGeometryChanged(const QRectF &rect)
Michal Klocek Add missing files from previous commit	r466	{
		Q_ASSERT(rect.isValid());
		m_size=rect.size();
		m_clipRect=rect.translated(-rect.topLeft());
		setPos(rect.topLeft());

sauimone minor code review issues. indent, spaces, brackets etc.	r743	if (isEmpty()) return;
Michal Klocek Add missing files from previous commit	r466	QVector<QPointF> points = calculateGeometryPoints();
Michal Klocek Improves spline interpolation...	r622	updateLayout(m_points,points);
Michal Klocek Add missing files from previous commit	r466	update();
		}


		bool XYChartItem::isEmpty()
		{
Jani Honkonen Use qFuzzyIsNull to compare (in)equality of real values	r768	return !m_clipRect.isValid() \|\| qFuzzyIsNull(m_maxX - m_minX) \|\| qFuzzyIsNull(m_maxY - m_minY);
Michal Klocek Add missing files from previous commit	r466	}

sauimone minor code review issues. indent, spaces, brackets etc.	r743	void XYChartItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
Michal Klocek Refactors click signal to line,area,spline,scatter charts	r571	{
		emit clicked(calculateDomainPoint(event->pos()));
		}

Michal Klocek Add missing files from previous commit	r466	#include "moc_xychartitem_p.cpp"

		QTCOMMERCIALCHART_END_NAMESPACE