HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · src/scatterseries/scatterchartitem.cpp

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             scatterchartitem.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
    
Refactor scatter chart to fit the other classes...

              r470
            
      #include "scatterchartitem_p.h"

      #include "qscatterseries.h"

      #include "chartpresenter_p.h"

      #include <QPainter>

      #include <QGraphicsScene>

      QTCOMMERCIALCHART_BEGIN_NAMESPACE

        Michal Klocek
    
Refactors chartitem...

              r677
            
      ScatterChartItem::ScatterChartItem(QScatterSeries *series, ChartPresenter *presenter) :

          XYChartItem(series,presenter),

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
          m_series(series),

          m_items(this),

          m_shape(QScatterSeries::MarkerShapeRectangle),

        Tero Ahola
    
Use light outline color instead of dark for bar, area and scatter

              r653
            
          m_size(15)

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
      {

        Michal Klocek
    
Adds missing scatter intercation implementation...

              r541
            
          QObject::connect(m_series,SIGNAL(updated()), this, SLOT(handleUpdated()));

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
          setZValue(ChartPresenter::ScatterSeriesZValue);

          setFlags(QGraphicsItem::ItemHasNoContents);

          setFlags(QGraphicsItem::ItemClipsChildrenToShape);

          handleUpdated();

        Michal Klocek
    
Adds missing scatter intercation implementation...

              r541
            
          m_items.setHandlesChildEvents(false);

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
          // TODO: how to draw a drop shadow?

      //    QGraphicsDropShadowEffect *dropShadow = new QGraphicsDropShadowEffect();

      //    dropShadow->setOffset(2.0);

      //    dropShadow->setBlurRadius(2.0);

      //    setGraphicsEffect(dropShadow);

      }

      QRectF ScatterChartItem::boundingRect() const

      {

          return m_rect;

      }

      void ScatterChartItem::createPoints(int count)

      {

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

        Michal Klocek
    
Release compilation fixes

              r689
            
              QGraphicsItem *item = 0;

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
              switch (m_shape) {

        Michal Klocek
    
Adds missing scatter intercation implementation...

              r541
            
                         case QScatterSeries::MarkerShapeCircle:{

                             QGraphicsEllipseItem* i = new QGraphicsEllipseItem(0,0,m_size,m_size);

                             const QRectF& rect = i->boundingRect();

                             i->setPos(-rect.width()/2,-rect.height()/2);

                             item = new Marker(i,this);

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
                             break;

        Michal Klocek
    
Adds missing scatter intercation implementation...

              r541
            
                         }

                         case QScatterSeries::MarkerShapeRectangle:{

                             QGraphicsRectItem* i = new QGraphicsRectItem(0,0,m_size,m_size);

                             i->setPos(-m_size/2,-m_size/2);

                             item = new Marker(i,this);

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
                             break;

        Michal Klocek
    
Adds missing scatter intercation implementation...

              r541
            
                         }

                         default:

                             qWarning()<<"Unsupported marker type";

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
                             break;

        Michal Klocek
    
Adds missing scatter intercation implementation...

              r541
            
        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
              }

              m_items.addToGroup(item);

          }

      }

      void ScatterChartItem::deletePoints(int count)

      {

          QList<QGraphicsItem *> items = m_items.childItems();

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

              delete(items.takeLast());

          }

      }

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

              r743
            
      void ScatterChartItem::markerSelected(Marker *marker)

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
      {

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

              r571
            
          emit XYChartItem::clicked(QPointF(m_series->x(marker->index()), m_series->y(marker->index())));

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
      }

        Michal Klocek
    
Unify naming setGeometry -> setLayout

              r557
            
      void ScatterChartItem::setLayout(QVector<QPointF>& points)

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
      {

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

              r545
            
          if(points.size()==0)

          {

        Michal Klocek
    
Unify naming setGeometry -> setLayout

              r557
            
              XYChartItem::setLayout(points);

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

              r545
            
              return;

          }

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
          int diff = XYChartItem::points().size() - points.size();

          if(diff>0) {

              deletePoints(diff);

          }

          else if(diff<0) {

              createPoints(-diff);

          }

          if(diff!=0) handleUpdated();

          QList<QGraphicsItem*> items = m_items.childItems();

          for(int i=0; i< points.size();i++) {

        Michal Klocek
    
Adds missing scatter intercation implementation...

              r541
            
              Marker* item = static_cast<Marker*>(items.at(i));

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
              const QPointF& point = points.at(i);

        Michal Klocek
    
Fix sctter series wrong points offset issue

              r536
            
              const QRectF& rect = item->boundingRect();

        Michal Klocek
    
Adds missing scatter intercation implementation...

              r541
            
              item->setIndex(i);

        Michal Klocek
    
Fix sctter series wrong points offset issue

              r536
            
              item->setPos(point.x()-rect.width()/2,point.y()-rect.height()/2);

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
              if(!clipRect().contains(point)) {

                  item->setVisible(false);

              }

              else {

                  item->setVisible(true);

              }

          }

          prepareGeometryChange();

          m_rect = clipRect();

        Michal Klocek
    
Unify naming setGeometry -> setLayout

              r557
            
          XYChartItem::setLayout(points);

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
      }

      void ScatterChartItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)

      {

        Tero Ahola
    
Squashed bunch of warnings

              r611
            
          Q_UNUSED(painter)

          Q_UNUSED(option)

          Q_UNUSED(widget)

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
      }

      void ScatterChartItem::setPen(const QPen& pen)

      {

          foreach(QGraphicsItem* item , m_items.childItems()) {

        Michal Klocek
    
Adds missing scatter intercation implementation...

              r541
            
                 static_cast<Marker*>(item)->setPen(pen);

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
          }

      }

      void ScatterChartItem::setBrush(const QBrush& brush)

      {

          foreach(QGraphicsItem* item , m_items.childItems()) {

        Michal Klocek
    
Adds missing scatter intercation implementation...

              r541
            
                  static_cast<Marker*>(item)->setBrush(brush);

        Michal Klocek
    
Refactor scatter chart to fit the other classes...

              r470
            
           }

      }

      void ScatterChartItem::handleUpdated()

      {

          int count = m_items.childItems().count();

          if(count==0) return;

          bool recreate = m_size != m_series->size() || m_shape != m_series->shape();

          //TODO: only rewrite on size change

          m_size = m_series->size();

          m_shape = m_series->shape();

          if(recreate){

              deletePoints(count);

              createPoints(count);

          }

          setPen(m_series->pen());

          setBrush(m_series->brush());

      }

      #include "moc_scatterchartitem_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 Refactor scatter chart to fit the other classes...	r470	#include "scatterchartitem_p.h"
		#include "qscatterseries.h"
		#include "chartpresenter_p.h"
		#include <QPainter>
		#include <QGraphicsScene>

		QTCOMMERCIALCHART_BEGIN_NAMESPACE

Michal Klocek Refactors chartitem...	r677	ScatterChartItem::ScatterChartItem(QScatterSeries series, ChartPresenter presenter) :
		XYChartItem(series,presenter),
Michal Klocek Refactor scatter chart to fit the other classes...	r470	m_series(series),
		m_items(this),
		m_shape(QScatterSeries::MarkerShapeRectangle),
Tero Ahola Use light outline color instead of dark for bar, area and scatter	r653	m_size(15)
Michal Klocek Refactor scatter chart to fit the other classes...	r470
		{
Michal Klocek Adds missing scatter intercation implementation...	r541	QObject::connect(m_series,SIGNAL(updated()), this, SLOT(handleUpdated()));
Michal Klocek Refactor scatter chart to fit the other classes...	r470
		setZValue(ChartPresenter::ScatterSeriesZValue);
		setFlags(QGraphicsItem::ItemHasNoContents);
		setFlags(QGraphicsItem::ItemClipsChildrenToShape);

		handleUpdated();

Michal Klocek Adds missing scatter intercation implementation...	r541	m_items.setHandlesChildEvents(false);

Michal Klocek Refactor scatter chart to fit the other classes...	r470	// TODO: how to draw a drop shadow?
		// QGraphicsDropShadowEffect *dropShadow = new QGraphicsDropShadowEffect();
		// dropShadow->setOffset(2.0);
		// dropShadow->setBlurRadius(2.0);
		// setGraphicsEffect(dropShadow);
		}


		QRectF ScatterChartItem::boundingRect() const
		{
		return m_rect;
		}

		void ScatterChartItem::createPoints(int count)
		{
		for (int i = 0; i < count; ++i) {

Michal Klocek Release compilation fixes	r689	QGraphicsItem *item = 0;
Michal Klocek Refactor scatter chart to fit the other classes...	r470
		switch (m_shape) {
Michal Klocek Adds missing scatter intercation implementation...	r541	case QScatterSeries::MarkerShapeCircle:{
		QGraphicsEllipseItem* i = new QGraphicsEllipseItem(0,0,m_size,m_size);
		const QRectF& rect = i->boundingRect();
		i->setPos(-rect.width()/2,-rect.height()/2);
		item = new Marker(i,this);
Michal Klocek Refactor scatter chart to fit the other classes...	r470	break;
Michal Klocek Adds missing scatter intercation implementation...	r541	}
		case QScatterSeries::MarkerShapeRectangle:{
		QGraphicsRectItem* i = new QGraphicsRectItem(0,0,m_size,m_size);
		i->setPos(-m_size/2,-m_size/2);
		item = new Marker(i,this);
Michal Klocek Refactor scatter chart to fit the other classes...	r470	break;
Michal Klocek Adds missing scatter intercation implementation...	r541	}
		default:
		qWarning()<<"Unsupported marker type";
Michal Klocek Refactor scatter chart to fit the other classes...	r470	break;
Michal Klocek Adds missing scatter intercation implementation...	r541
Michal Klocek Refactor scatter chart to fit the other classes...	r470	}
		m_items.addToGroup(item);
		}
		}

		void ScatterChartItem::deletePoints(int count)
		{
		QList<QGraphicsItem *> items = m_items.childItems();

		for (int i = 0; i < count; ++i) {
		delete(items.takeLast());
		}
		}

sauimone minor code review issues. indent, spaces, brackets etc.	r743	void ScatterChartItem::markerSelected(Marker *marker)
Michal Klocek Refactor scatter chart to fit the other classes...	r470	{
Michal Klocek Refactors click signal to line,area,spline,scatter charts	r571	emit XYChartItem::clicked(QPointF(m_series->x(marker->index()), m_series->y(marker->index())));
Michal Klocek Refactor scatter chart to fit the other classes...	r470	}

Michal Klocek Unify naming setGeometry -> setLayout	r557	void ScatterChartItem::setLayout(QVector<QPointF>& points)
Michal Klocek Refactor scatter chart to fit the other classes...	r470	{
Marek Rosa Added support for adding and removing data with model. Updated the example	r545	if(points.size()==0)
		{
Michal Klocek Unify naming setGeometry -> setLayout	r557	XYChartItem::setLayout(points);
Marek Rosa Added support for adding and removing data with model. Updated the example	r545	return;
		}
Michal Klocek Refactor scatter chart to fit the other classes...	r470
		int diff = XYChartItem::points().size() - points.size();

		if(diff>0) {
		deletePoints(diff);
		}
		else if(diff<0) {
		createPoints(-diff);
		}

		if(diff!=0) handleUpdated();

		QList<QGraphicsItem*> items = m_items.childItems();

		for(int i=0; i< points.size();i++) {
Michal Klocek Adds missing scatter intercation implementation...	r541	Marker* item = static_cast<Marker*>(items.at(i));
Michal Klocek Refactor scatter chart to fit the other classes...	r470	const QPointF& point = points.at(i);
Michal Klocek Fix sctter series wrong points offset issue	r536	const QRectF& rect = item->boundingRect();
Michal Klocek Adds missing scatter intercation implementation...	r541	item->setIndex(i);
Michal Klocek Fix sctter series wrong points offset issue	r536	item->setPos(point.x()-rect.width()/2,point.y()-rect.height()/2);
Michal Klocek Refactor scatter chart to fit the other classes...	r470	if(!clipRect().contains(point)) {
		item->setVisible(false);
		}
		else {
		item->setVisible(true);
		}
		}

		prepareGeometryChange();
		m_rect = clipRect();
Michal Klocek Unify naming setGeometry -> setLayout	r557	XYChartItem::setLayout(points);
Michal Klocek Refactor scatter chart to fit the other classes...	r470	}


		void ScatterChartItem::paint(QPainter painter, const QStyleOptionGraphicsItem option, QWidget *widget)
		{
Tero Ahola Squashed bunch of warnings	r611	Q_UNUSED(painter)
		Q_UNUSED(option)
		Q_UNUSED(widget)
Michal Klocek Refactor scatter chart to fit the other classes...	r470	}

		void ScatterChartItem::setPen(const QPen& pen)
		{
		foreach(QGraphicsItem* item , m_items.childItems()) {
Michal Klocek Adds missing scatter intercation implementation...	r541	static_cast<Marker*>(item)->setPen(pen);
Michal Klocek Refactor scatter chart to fit the other classes...	r470	}
		}

		void ScatterChartItem::setBrush(const QBrush& brush)
		{
		foreach(QGraphicsItem* item , m_items.childItems()) {
Michal Klocek Adds missing scatter intercation implementation...	r541	static_cast<Marker*>(item)->setBrush(brush);
Michal Klocek Refactor scatter chart to fit the other classes...	r470	}
		}

		void ScatterChartItem::handleUpdated()
		{

		int count = m_items.childItems().count();

		if(count==0) return;

		bool recreate = m_size != m_series->size() \|\| m_shape != m_series->shape();

		//TODO: only rewrite on size change

		m_size = m_series->size();
		m_shape = m_series->shape();

		if(recreate){
		deletePoints(count);
		createPoints(count);
		}

		setPen(m_series->pen());
		setBrush(m_series->brush());
		}

		#include "moc_scatterchartitem_p.cpp"

		QTCOMMERCIALCHART_END_NAMESPACE