HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · src/xychart/xychartitem.cpp

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

Marek Rosa - - Load All Authors

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             xychartitem.cpp
        
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        Michal Klocek
    
Add missing files from previous commit

              r466
            
      #include "xychartitem_p.h"

      #include "qxyseries.h"

      #include "chartpresenter_p.h"

      #include <QPainter>

      QTCOMMERCIALCHART_BEGIN_NAMESPACE

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

      XYChartItem::XYChartItem(QXYSeries* series,QGraphicsItem *parent):ChartItem(parent),

      m_minX(0),

      m_maxX(0),

      m_minY(0),

      m_maxY(0),

      m_series(series)

      {

          QObject::connect(series,SIGNAL(pointReplaced(int)),this,SLOT(handlePointReplaced(int)));

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

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

      }

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

      {

          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) {

            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);

          }

          return points;

      }

      void XYChartItem::updatePoints(QVector<QPointF>& points)

      {

          setGeometry(points);

      }

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

              r476
            
      void XYChartItem::updatePoint(QVector<QPointF>& points)

        Michal Klocek
    
Add missing files from previous commit

              r466
            
      {

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

              r476
            
          setGeometry(points);

        Michal Klocek
    
Add missing files from previous commit

              r466
            
      }

      void XYChartItem::setGeometry(QVector<QPointF>& points)

      {

          m_points = points;

      }

      //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;

          points.insert(index,point);

          updatePoints(points);

          update();

      }

      void XYChartItem::handlePointRemoved(int index)

      {

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

          Q_ASSERT(index>=0);

          QPointF point = calculateGeometryPoint(index);

          QVector<QPointF> points = m_points;

          points.remove(index);

          updatePoints(points);

          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);

          updatePoint(points);

        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;

          if(isEmpty()) return;

          QVector<QPointF> points = calculateGeometryPoints();

          updatePoints(points);

          update();

      }

      void XYChartItem::handleGeometryChanged(const QRectF& rect)

      {

      	Q_ASSERT(rect.isValid());

      	m_size=rect.size();

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

      	setPos(rect.topLeft());

        Marek Rosa
    
Table model data example

              r519
            
          if(isEmpty()) return;

        Michal Klocek
    
Add missing files from previous commit

              r466
            
      	QVector<QPointF> points = calculateGeometryPoints();

      	updatePoints(points);

      	update();

      }

      bool XYChartItem::isEmpty()

      {

         return !m_clipRect.isValid() ||  m_maxX - m_minX == 0 || m_maxY - m_minY ==0 ;

      }

      #include "moc_xychartitem_p.cpp"

      QTCOMMERCIALCHART_END_NAMESPACE

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Michal Klocek Add missing files from previous commit	r466	#include "xychartitem_p.h"
		#include "qxyseries.h"
		#include "chartpresenter_p.h"
		#include <QPainter>


		QTCOMMERCIALCHART_BEGIN_NAMESPACE

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

		XYChartItem::XYChartItem(QXYSeries* series,QGraphicsItem *parent):ChartItem(parent),
		m_minX(0),
		m_maxX(0),
		m_minY(0),
		m_maxY(0),
		m_series(series)
		{
		QObject::connect(series,SIGNAL(pointReplaced(int)),this,SLOT(handlePointReplaced(int)));
		QObject::connect(series,SIGNAL(pointAdded(int)),this,SLOT(handlePointAdded(int)));
		QObject::connect(series,SIGNAL(pointRemoved(int)),this,SLOT(handlePointRemoved(int)));

		}

		QPointF XYChartItem::calculateGeometryPoint(const QPointF& point) const
		{
		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) {
		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);
		}
		return points;
		}

		void XYChartItem::updatePoints(QVector<QPointF>& points)
		{
		setGeometry(points);
		}

Michal Klocek Refactor animation to fit line,spline,scatter...	r476	void XYChartItem::updatePoint(QVector<QPointF>& points)
Michal Klocek Add missing files from previous commit	r466	{
Michal Klocek Refactor animation to fit line,spline,scatter...	r476	setGeometry(points);
Michal Klocek Add missing files from previous commit	r466	}

		void XYChartItem::setGeometry(QVector<QPointF>& points)
		{
		m_points = points;
		}

		//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;
		points.insert(index,point);
		updatePoints(points);
		update();
		}
		void XYChartItem::handlePointRemoved(int index)
		{
		Q_ASSERT(index<m_series->count());
		Q_ASSERT(index>=0);
		QPointF point = calculateGeometryPoint(index);
		QVector<QPointF> points = m_points;
		points.remove(index);
		updatePoints(points);
		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);
		updatePoint(points);
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;

		if(isEmpty()) return;
		QVector<QPointF> points = calculateGeometryPoints();
		updatePoints(points);
		update();
		}

		void XYChartItem::handleGeometryChanged(const QRectF& rect)
		{
		Q_ASSERT(rect.isValid());
		m_size=rect.size();
		m_clipRect=rect.translated(-rect.topLeft());
		setPos(rect.topLeft());

Marek Rosa Table model data example	r519	if(isEmpty()) return;
Michal Klocek Add missing files from previous commit	r466	QVector<QPointF> points = calculateGeometryPoints();
		updatePoints(points);
		update();
		}


		bool XYChartItem::isEmpty()
		{
		return !m_clipRect.isValid() \|\| m_maxX - m_minX == 0 \|\| m_maxY - m_minY ==0 ;
		}

		#include "moc_xychartitem_p.cpp"

		QTCOMMERCIALCHART_END_NAMESPACE