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

model prototyping for bar chart

Michal Klocek - - Load All Authors

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             axisitem.cpp
        
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        Michal Klocek
    
Add zoom support...

              r67
            
      #include "axisitem_p.h"

        Michal Klocek
    
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              r140
            
      #include "qchartaxis.h"

        Michal Klocek
    
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              r67
            
      #include <QPainter>

      #include <QDebug>

        Michal Klocek
    
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              r85
            
      #define LABEL_PADDING 5

        Michal Klocek
    
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              r67
            
      QTCOMMERCIALCHART_BEGIN_NAMESPACE

        Michal Klocek
    
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              r140
            
      AxisItem::AxisItem(QChartAxis* axis,AxisType type,QGraphicsItem* parent) :

        Tero Ahola
    
Refactoring continued: restored ChartItem class

              r104
            
          ChartItem(parent),

        Michal Klocek
    
Adds refactored axis to presenter

              r140
            
          m_axis(axis),

        Tero Ahola
    
Refactored themes; now enabled for line, scatter and pies...

              r103
            
          m_ticks(4),

          m_type(type)

        Michal Klocek
    
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              r67
            
      {

        Michal Klocek
    
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              r145
            
          //initial initialization

          handleAxisChanged();

        Michal Klocek
    
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              r67
            
      }

      AxisItem::~AxisItem()

      {

      }

      QRectF AxisItem::boundingRect() const

      {

          return m_rect;

      }

        Tero Ahola
    
Refactored themes; now enabled for line, scatter and pies...

              r103
            
        Michal Klocek
    
Refactora axis and line chart to use graphics items insted of painter.

              r85
            
      /*

        Michal Klocek
    
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              r67
            
      void AxisItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,QWidget *widget)

      {

          if (!m_rect.isValid())

        Michal Klocek
    
Refactora axis and line chart to use graphics items insted of painter.

              r85
            
          return;

        Michal Klocek
    
Add zoom support...

              r67
            
          if(m_type==X_AXIS) {

        Michal Klocek
    
Refactora axis and line chart to use graphics items insted of painter.

              r85
            
              const qreal deltaX = m_rect.width() / m_ticks;

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

                  int x = i * deltaX + m_rect.left();

        Michal Klocek
    
Add zoom support...

              r67
            
        Michal Klocek
    
Refactora axis and line chart to use graphics items insted of painter.

              r85
            
                  if(i==0) x--;

                  if(i==m_ticks) x++;

        Michal Klocek
    
Add zoom support...

              r67
            
        Michal Klocek
    
Refactora axis and line chart to use graphics items insted of painter.

              r85
            
                  qreal label = m_plotDomain.m_minX + (i * m_plotDomain.spanX()

                      / m_ticks);

                  painter->drawLine(x, m_rect.top()-1, x, m_rect.bottom()+1);

                 // painter->drawLine(x, m_rect.bottom()-1, x, m_rect.bottom()-1 + 5);

        Michal Klocek
    
Add zoom support...

              r67
            
        Michal Klocek
    
Refactora axis and line chart to use graphics items insted of painter.

              r85
            
                  painter->drawText(x - 50, m_rect.bottom() + 5, 100, 20,Qt::AlignHCenter | Qt::AlignTop, QString::number(label));

              }

        Michal Klocek
    
Add zoom support...

              r67
            
          }

          if(m_type==Y_AXIS) {

        Michal Klocek
    
Refactora axis and line chart to use graphics items insted of painter.

              r85
            
              const qreal deltaY = (m_rect.height()) / m_ticks;

        Michal Klocek
    
Add zoom support...

              r67
            
        Michal Klocek
    
Refactora axis and line chart to use graphics items insted of painter.

              r85
            
              for (int j = 0; j <= m_ticks; ++j) {

        Michal Klocek
    
Add zoom support...

              r67
            
        Michal Klocek
    
Refactora axis and line chart to use graphics items insted of painter.

              r85
            
                  int y = j * -deltaY + m_rect.bottom();

        Michal Klocek
    
Add zoom support...

              r67
            
        Michal Klocek
    
Refactora axis and line chart to use graphics items insted of painter.

              r85
            
                  if(j==0) y++;

                  if(j==m_ticks) y--;

                  qreal label = m_plotDomain.m_minY + (j * m_plotDomain.spanY()

                      / m_ticks);

                  painter->drawLine(m_rect.left()-1, y, m_rect.right()+1, y);

                  //painter->drawLine(m_rect.left() - 5, y, m_rect.left(), y);

                  //TODO : margin = 50 ;

                  painter->drawText(m_rect.left() - 50, y - 10, 50 - 5, 20,

                      Qt::AlignRight | Qt::AlignVCenter,

                      QString::number(label));

              }

        Michal Klocek
    
Add zoom support...

              r67
            
          }

          //painter->drawRect(m_rect.adjusted(0, 0, -1, -1));

        Michal Klocek
    
Refactora axis and line chart to use graphics items insted of painter.

              r85
            
      }

      */

      void AxisItem::createItems()

      {

        Michal Klocek
    
Adds refactored axis to presenter

              r140
            
          if(!m_rect.isValid()) return;

        Michal Klocek
    
Refactora axis and line chart to use graphics items insted of painter.

              r85
            
        Michal Klocek
    
Fix previous broken commit

              r145
            
          switch (m_type)

          {

              case X_AXIS:

              {

                  const qreal deltaX = m_rect.width() / m_ticks;

        Michal Klocek
    
Refactora axis and line chart to use graphics items insted of painter.

              r85
            
        Michal Klocek
    
Fix previous broken commit

              r145
            
                  for (int i = 0; i <= m_ticks; ++i) {

        Michal Klocek
    
Refactora axis and line chart to use graphics items insted of painter.

              r85
            
        Michal Klocek
    
Fix previous broken commit

              r145
            
                      int x = i * deltaX + m_rect.left();

        Michal Klocek
    
Refactora axis and line chart to use graphics items insted of painter.

              r85
            
        Michal Klocek
    
Fix previous broken commit

              r145
            
                      qreal label = m_domain.m_minX + (i * m_domain.spanX()/ m_ticks);

        Michal Klocek
    
Refactora axis and line chart to use graphics items insted of painter.

              r85
            
        Michal Klocek
    
Fix previous broken commit

              r145
            
                      m_grid<<new QGraphicsLineItem(x, m_rect.top(), x, m_rect.bottom(),this);

        Michal Klocek
    
Refactora axis and line chart to use graphics items insted of painter.

              r85
            
        Michal Klocek
    
Fix previous broken commit

              r145
            
                      QGraphicsSimpleTextItem* text = new QGraphicsSimpleTextItem(QString::number(label),this);

                      QPointF center = text->boundingRect().center();

                      text->setPos(x - center.x(), m_rect.bottom() + LABEL_PADDING);

                      //text->rotate(-45);

                      m_labels<<text;

                  }

              }

              break;

        Michal Klocek
    
Refactora axis and line chart to use graphics items insted of painter.

              r85
            
        Michal Klocek
    
Fix previous broken commit

              r145
            
              case Y_AXIS:

              {

                  const qreal deltaY = m_rect.height()/ m_ticks;

        Michal Klocek
    
Refactora axis and line chart to use graphics items insted of painter.

              r85
            
        Michal Klocek
    
Fix previous broken commit

              r145
            
                  for (int j = 0; j <= m_ticks; ++j) {

        Michal Klocek
    
Refactora axis and line chart to use graphics items insted of painter.

              r85
            
        Michal Klocek
    
Fix previous broken commit

              r145
            
                      int y = j * -deltaY + m_rect.bottom();

        Michal Klocek
    
Refactora axis and line chart to use graphics items insted of painter.

              r85
            
        Michal Klocek
    
Fix previous broken commit

              r145
            
                      qreal label = m_domain.m_minY + (j * m_domain.spanY()

                          / m_ticks);

        Michal Klocek
    
Refactora axis and line chart to use graphics items insted of painter.

              r85
            
        Michal Klocek
    
Fix previous broken commit

              r145
            
                      m_grid<<new QGraphicsLineItem(m_rect.left() , y, m_rect.right(), y,this);

                      QGraphicsSimpleTextItem* text = new QGraphicsSimpleTextItem(QString::number(label),this);

                      QPointF center = text->boundingRect().center();

                      text->setPos(m_rect.left() - text->boundingRect().width() - LABEL_PADDING , y-center.y());

        Michal Klocek
    
Refactora axis and line chart to use graphics items insted of painter.

              r85
            
        Michal Klocek
    
Fix previous broken commit

              r145
            
                      m_labels<<text;

        Michal Klocek
    
Add zoom support...

              r67
            
        Michal Klocek
    
Fix previous broken commit

              r145
            
                  }

              }

              break;

              default:

              qDebug()<<"Unknown axis type";

              break;

          }

        Michal Klocek
    
Add zoom support...

              r67
            
      }

        Michal Klocek
    
Adds refactored axis to presenter

              r140
            
      void AxisItem::clear()

      {

           qDeleteAll(m_shades);

           m_shades.clear();

           qDeleteAll(m_grid);

           m_grid.clear();

           qDeleteAll(m_labels);

           m_labels.clear();

      }

      void AxisItem::updateDomain()

      {

          clear();

          createItems();

      }

      void AxisItem::handleAxisChanged()

      {

          //m_axis->

      }

      void AxisItem::handleDomainChanged(const Domain& domain)

      {

          m_domain = domain;

          clear();

          createItems();

      }

      void AxisItem::handleGeometryChanged(const QRectF& rect)

      {

          Q_ASSERT(rect.isValid());

          m_rect = rect;

          clear();

          createItems();

      }

        Michal Klocek
    
Add zoom support...

              r67
            
      //TODO "nice numbers algorithm"

        Michal Klocek
    
Adds refactored axis to presenter

              r140
            
      #include "moc_axisitem_p.cpp"

        Michal Klocek
    
Add zoom support...

              r67
            
      QTCOMMERCIALCHART_END_NAMESPACE

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Michal Klocek Add zoom support...	r67	#include "axisitem_p.h"
Michal Klocek Adds refactored axis to presenter	r140	#include "qchartaxis.h"
Michal Klocek Add zoom support...	r67	#include <QPainter>
		#include <QDebug>

Michal Klocek Refactora axis and line chart to use graphics items insted of painter.	r85	#define LABEL_PADDING 5

Michal Klocek Add zoom support...	r67	QTCOMMERCIALCHART_BEGIN_NAMESPACE

Michal Klocek Adds refactored axis to presenter	r140	AxisItem::AxisItem(QChartAxis* axis,AxisType type,QGraphicsItem* parent) :
Tero Ahola Refactoring continued: restored ChartItem class	r104	ChartItem(parent),
Michal Klocek Adds refactored axis to presenter	r140	m_axis(axis),
Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	m_ticks(4),
		m_type(type)
Michal Klocek Add zoom support...	r67	{
Michal Klocek Fix previous broken commit	r145	//initial initialization
		handleAxisChanged();
Michal Klocek Add zoom support...	r67	}

		AxisItem::~AxisItem()
		{
		}

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

Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103
Michal Klocek Refactora axis and line chart to use graphics items insted of painter.	r85	/*
Michal Klocek Add zoom support...	r67	void AxisItem::paint(QPainter painter, const QStyleOptionGraphicsItem option,QWidget *widget)
		{
		if (!m_rect.isValid())
Michal Klocek Refactora axis and line chart to use graphics items insted of painter.	r85	return;
Michal Klocek Add zoom support...	r67
		if(m_type==X_AXIS) {

Michal Klocek Refactora axis and line chart to use graphics items insted of painter.	r85	const qreal deltaX = m_rect.width() / m_ticks;

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

		int x = i * deltaX + m_rect.left();
Michal Klocek Add zoom support...	r67
Michal Klocek Refactora axis and line chart to use graphics items insted of painter.	r85	if(i==0) x--;
		if(i==m_ticks) x++;
Michal Klocek Add zoom support...	r67
Michal Klocek Refactora axis and line chart to use graphics items insted of painter.	r85	qreal label = m_plotDomain.m_minX + (i * m_plotDomain.spanX()
		/ m_ticks);
		painter->drawLine(x, m_rect.top()-1, x, m_rect.bottom()+1);
		// painter->drawLine(x, m_rect.bottom()-1, x, m_rect.bottom()-1 + 5);
Michal Klocek Add zoom support...	r67
Michal Klocek Refactora axis and line chart to use graphics items insted of painter.	r85	painter->drawText(x - 50, m_rect.bottom() + 5, 100, 20,Qt::AlignHCenter \| Qt::AlignTop, QString::number(label));
		}
Michal Klocek Add zoom support...	r67	}

		if(m_type==Y_AXIS) {

Michal Klocek Refactora axis and line chart to use graphics items insted of painter.	r85	const qreal deltaY = (m_rect.height()) / m_ticks;
Michal Klocek Add zoom support...	r67
Michal Klocek Refactora axis and line chart to use graphics items insted of painter.	r85	for (int j = 0; j <= m_ticks; ++j) {
Michal Klocek Add zoom support...	r67
Michal Klocek Refactora axis and line chart to use graphics items insted of painter.	r85	int y = j * -deltaY + m_rect.bottom();
Michal Klocek Add zoom support...	r67
Michal Klocek Refactora axis and line chart to use graphics items insted of painter.	r85	if(j==0) y++;
		if(j==m_ticks) y--;

		qreal label = m_plotDomain.m_minY + (j * m_plotDomain.spanY()
		/ m_ticks);

		painter->drawLine(m_rect.left()-1, y, m_rect.right()+1, y);
		//painter->drawLine(m_rect.left() - 5, y, m_rect.left(), y);
		//TODO : margin = 50 ;
		painter->drawText(m_rect.left() - 50, y - 10, 50 - 5, 20,
		Qt::AlignRight \| Qt::AlignVCenter,
		QString::number(label));
		}
Michal Klocek Add zoom support...	r67	}

		//painter->drawRect(m_rect.adjusted(0, 0, -1, -1));
Michal Klocek Refactora axis and line chart to use graphics items insted of painter.	r85	}
		*/
		void AxisItem::createItems()
		{

Michal Klocek Adds refactored axis to presenter	r140	if(!m_rect.isValid()) return;
Michal Klocek Refactora axis and line chart to use graphics items insted of painter.	r85
Michal Klocek Fix previous broken commit	r145	switch (m_type)
		{
		case X_AXIS:
		{
		const qreal deltaX = m_rect.width() / m_ticks;
Michal Klocek Refactora axis and line chart to use graphics items insted of painter.	r85
Michal Klocek Fix previous broken commit	r145	for (int i = 0; i <= m_ticks; ++i) {
Michal Klocek Refactora axis and line chart to use graphics items insted of painter.	r85
Michal Klocek Fix previous broken commit	r145	int x = i * deltaX + m_rect.left();
Michal Klocek Refactora axis and line chart to use graphics items insted of painter.	r85
Michal Klocek Fix previous broken commit	r145	qreal label = m_domain.m_minX + (i * m_domain.spanX()/ m_ticks);
Michal Klocek Refactora axis and line chart to use graphics items insted of painter.	r85
Michal Klocek Fix previous broken commit	r145	m_grid<<new QGraphicsLineItem(x, m_rect.top(), x, m_rect.bottom(),this);
Michal Klocek Refactora axis and line chart to use graphics items insted of painter.	r85
Michal Klocek Fix previous broken commit	r145	QGraphicsSimpleTextItem* text = new QGraphicsSimpleTextItem(QString::number(label),this);
		QPointF center = text->boundingRect().center();
		text->setPos(x - center.x(), m_rect.bottom() + LABEL_PADDING);
		//text->rotate(-45);
		m_labels<<text;
		}
		}
		break;
Michal Klocek Refactora axis and line chart to use graphics items insted of painter.	r85
Michal Klocek Fix previous broken commit	r145	case Y_AXIS:
		{
		const qreal deltaY = m_rect.height()/ m_ticks;
Michal Klocek Refactora axis and line chart to use graphics items insted of painter.	r85
Michal Klocek Fix previous broken commit	r145	for (int j = 0; j <= m_ticks; ++j) {
Michal Klocek Refactora axis and line chart to use graphics items insted of painter.	r85
Michal Klocek Fix previous broken commit	r145	int y = j * -deltaY + m_rect.bottom();
Michal Klocek Refactora axis and line chart to use graphics items insted of painter.	r85
Michal Klocek Fix previous broken commit	r145	qreal label = m_domain.m_minY + (j * m_domain.spanY()
		/ m_ticks);
Michal Klocek Refactora axis and line chart to use graphics items insted of painter.	r85
Michal Klocek Fix previous broken commit	r145	m_grid<<new QGraphicsLineItem(m_rect.left() , y, m_rect.right(), y,this);
		QGraphicsSimpleTextItem* text = new QGraphicsSimpleTextItem(QString::number(label),this);
		QPointF center = text->boundingRect().center();
		text->setPos(m_rect.left() - text->boundingRect().width() - LABEL_PADDING , y-center.y());
Michal Klocek Refactora axis and line chart to use graphics items insted of painter.	r85
Michal Klocek Fix previous broken commit	r145	m_labels<<text;
Michal Klocek Add zoom support...	r67
Michal Klocek Fix previous broken commit	r145	}
		}
		break;
		default:
		qDebug()<<"Unknown axis type";
		break;
		}
Michal Klocek Add zoom support...	r67	}

Michal Klocek Adds refactored axis to presenter	r140	void AxisItem::clear()
		{
		qDeleteAll(m_shades);
		m_shades.clear();
		qDeleteAll(m_grid);
		m_grid.clear();
		qDeleteAll(m_labels);
		m_labels.clear();
		}

		void AxisItem::updateDomain()
		{
		clear();
		createItems();
		}

		void AxisItem::handleAxisChanged()
		{
		//m_axis->
		}

		void AxisItem::handleDomainChanged(const Domain& domain)
		{
		m_domain = domain;
		clear();
		createItems();
		}

		void AxisItem::handleGeometryChanged(const QRectF& rect)
		{
		Q_ASSERT(rect.isValid());
		m_rect = rect;
		clear();
		createItems();
		}

Michal Klocek Add zoom support...	r67	//TODO "nice numbers algorithm"
Michal Klocek Adds refactored axis to presenter	r140	#include "moc_axisitem_p.cpp"
Michal Klocek Add zoom support...	r67
		QTCOMMERCIALCHART_END_NAMESPACE