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

One more alternative for changing themes

Tero Ahola - - Load All Authors

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

              r103
            
      #include "qpieseries_p.h"

        Tero Ahola
    
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              r51
            
      #include "qpieseries.h"

      #include <QGraphicsObject>

        Tero Ahola
    
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              r103
            
      #include "pieslice.h"

        Tero Ahola
    
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              r51
            
      #include <QDebug>

      QTCOMMERCIALCHART_BEGIN_NAMESPACE

        Tero Ahola
    
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      QPieSeriesPrivate::QPieSeriesPrivate(QGraphicsItem *parent) :

          ChartItem(parent),

        Tero Ahola
    
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          m_sizeFactor(1.0),

        Tero Ahola
    
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          m_position(QPieSeries::PiePositionMaximized),

          m_chartTheme(0)

        Tero Ahola
    
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      {

        Tero Ahola
    
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              r61
            
      }

        Tero Ahola
    
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              r103
            
      QPieSeriesPrivate::~QPieSeriesPrivate()

        Tero Ahola
    
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              r61
            
      {

          while (m_slices.count())

              delete m_slices.takeLast();

      }

        Tero Ahola
    
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              r103
            
      bool QPieSeriesPrivate::setData(QList<qreal> data)

        Tero Ahola
    
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              r61
            
      {

          m_data = data;

        Tero Ahola
    
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          if (parentItem()) {

        Tero Ahola
    
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              r103
            
              // Create slices

              qreal fullPie = 360;

              qreal total = 0;

              foreach (qreal value, m_data)

                  total += value;

        Tero Ahola
    
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              m_chartSize = parentItem()->boundingRect();

        Tero Ahola
    
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              r103
            
              qreal angle = 0;

              // TODO: no need to create new slices in case size changed; we should re-use the existing ones

              foreach (qreal value, m_data) {

                  qreal span = value / total * fullPie;

        Tero Ahola
    
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              r108
            
                  PieSlice *slice = new PieSlice(QColor(), angle, span, parentItem()->boundingRect());

                  slice->setParentItem(parentItem());

        Tero Ahola
    
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              r103
            
                  m_slices.append(slice);

                  angle += span;

              }

        Tero Ahola
    
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              r51
            
        Tero Ahola
    
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              r108
            
              themeChanged(m_chartTheme);

        Tero Ahola
    
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              r103
            
              resizeSlices(m_chartSize);

        Tero Ahola
    
Integrated draft version of pie series

              r51
            
          }

        Tero Ahola
    
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              r60
            
        Tero Ahola
    
Refactored series creation with QChart

              r61
            
          return true;

        Tero Ahola
    
Removed scale from chart's sizeChanged signals

              r54
            
      }

        Tero Ahola
    
Refactoring continued: restored ChartItem class

              r104
            
      void QPieSeriesPrivate::setSize(const QSize &size)

        Tero Ahola
    
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              r75
            
      {

        Tero Ahola
    
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              r103
            
          // TODO: allow user setting the size?

          // TODO: allow user defining the margins?

          m_chartSize = QRect(0, 0, size.width(), size.height());

          resizeSlices(m_chartSize);

        Tero Ahola
    
Color themes now enabled for scatter, pie and line series.

              r75
            
      }

        Tero Ahola
    
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              r108
            
      void QPieSeriesPrivate::setPlotDomain(const PlotDomain& plotDomain)

      {

          // TODO

      }

      void QPieSeriesPrivate::themeChanged(ChartTheme *theme)

        Tero Ahola
    
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              r75
            
      {

        Tero Ahola
    
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              r103
            
          if (theme) {

              m_chartTheme = theme;

              for (int i(0); i < m_slices.count(); i++)

                  m_slices.at(i)->m_theme = theme->themeForSeries();

          }

        Tero Ahola
    
Color themes now enabled for scatter, pie and line series.

              r75
            
      }

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

              r103
            
      void QPieSeriesPrivate::resizeSlices(QRectF rect)

        Tero Ahola
    
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              r60
            
      {

          QRectF tempRect = rect;

          if (tempRect.width() < tempRect.height()) {

              tempRect.setWidth(tempRect.width() * m_sizeFactor);

              tempRect.setHeight(tempRect.width());

              tempRect.moveCenter(rect.center());

          } else {

              tempRect.setHeight(tempRect.height() * m_sizeFactor);

              tempRect.setWidth(tempRect.height());

              tempRect.moveCenter(rect.center());

          }

        Tero Ahola
    
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              r77
            
          switch (m_position) {

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

              r103
            
              case QPieSeries::PiePositionTopLeft: {

        Tero Ahola
    
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              r77
            
                  tempRect.setHeight(tempRect.height() / 2);

                  tempRect.setWidth(tempRect.height());

                  tempRect.moveCenter(QPointF(rect.center().x() / 2, rect.center().y() / 2));

                  break;

              }

        Tero Ahola
    
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              r103
            
              case QPieSeries::PiePositionTopRight: {

        Tero Ahola
    
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              r77
            
                  tempRect.setHeight(tempRect.height() / 2);

                  tempRect.setWidth(tempRect.height());

                  tempRect.moveCenter(QPointF((rect.center().x() / 2) * 3, rect.center().y() / 2));

                  break;

              }

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

              r103
            
              case QPieSeries::PiePositionBottomLeft: {

        Tero Ahola
    
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              r77
            
                  tempRect.setHeight(tempRect.height() / 2);

                  tempRect.setWidth(tempRect.height());

                  tempRect.moveCenter(QPointF(rect.center().x() / 2, (rect.center().y() / 2) * 3));

                  break;

              }

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

              r103
            
              case QPieSeries::PiePositionBottomRight: {

        Tero Ahola
    
Theme now affects background, enabled zoom by default in QChartWidget

              r77
            
                  tempRect.setHeight(tempRect.height() / 2);

                  tempRect.setWidth(tempRect.height());

                  tempRect.moveCenter(QPointF((rect.center().x() / 2) * 3, (rect.center().y() / 2) * 3));

                  break;

              }

              default:

                  break;

          }

        Tero Ahola
    
Added size factor property to pie

              r60
            
          foreach (PieSlice *slice, m_slices)

              slice->m_rect = tempRect;

      }

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

              r103
            
      QPieSeries::QPieSeries(QGraphicsObject *parent) :

          QChartSeries(parent),

        Tero Ahola
    
One more alternative for changing themes

              r108
            
          d(new QPieSeriesPrivate(parent))

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

              r103
            
      {

      }

      QPieSeries::~QPieSeries()

      {

          delete d;

      }

      bool QPieSeries::setData(QList<qreal> data)

      {

          return d->setData(data);

      }

      void QPieSeries::setSliceColor(int index, QColor color)

      {

          if (index >= 0 && index < d->m_slices.count())

              d->m_slices.at(index)->m_color = color;

      }

      QColor QPieSeries::sliceColor(int index)

      {

          if (index >= 0 && index < d->m_slices.count())

              return d->m_slices.at(index)->m_color;

          else

              return QColor();

      }

      int QPieSeries::sliceCount()

      {

          return d->m_slices.count();

      }

        Tero Ahola
    
Added size factor property to pie

              r60
            
      void QPieSeries::setSizeFactor(qreal factor)

      {

          if (factor > 0.0)

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

              r103
            
              d->m_sizeFactor = factor;

          d->resizeSlices(d->m_chartSize);

        Tero Ahola
    
Added size factor property to pie

              r60
            
          // Initiate update via the parent graphics item

          // TODO: potential issue: what if this function is called from the parent context?

        Tero Ahola
    
One more alternative for changing themes

              r108
            
          if (d->parentItem())

              d->parentItem()->update();

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

              r103
            
      }

      qreal QPieSeries::sizeFactor()

      {

          return d->m_sizeFactor;

        Tero Ahola
    
Removed scale from chart's sizeChanged signals

              r54
            
      }

        Tero Ahola
    
Theme now affects background, enabled zoom by default in QChartWidget

              r77
            
      void QPieSeries::setPosition(PiePosition position)

      {

        Tero Ahola
    
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              r103
            
          d->m_position = position;

          d->resizeSlices(d->m_chartSize);

        Tero Ahola
    
Theme now affects background, enabled zoom by default in QChartWidget

              r77
            
          // Initiate update via the parent graphics item

          // TODO: potential issue: what if this function is called from the parent context?

          QGraphicsItem *parentItem = qobject_cast<QGraphicsItem *>(parent());

          Q_ASSERT(parentItem);

          parentItem->update();

      }

        Tero Ahola
    
Integrated draft version of pie series

              r51
            
      #include "moc_qpieseries.cpp"

      QTCOMMERCIALCHART_END_NAMESPACE

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Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	#include "qpieseries_p.h"
Tero Ahola Integrated draft version of pie series	r51	#include "qpieseries.h"
		#include <QGraphicsObject>
Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	#include "pieslice.h"
Tero Ahola Integrated draft version of pie series	r51	#include <QDebug>

		QTCOMMERCIALCHART_BEGIN_NAMESPACE

Tero Ahola One more alternative for changing themes	r108	QPieSeriesPrivate::QPieSeriesPrivate(QGraphicsItem *parent) :
		ChartItem(parent),
Tero Ahola Theme now affects background, enabled zoom by default in QChartWidget	r77	m_sizeFactor(1.0),
Tero Ahola One more alternative for changing themes	r108	m_position(QPieSeries::PiePositionMaximized),
		m_chartTheme(0)
Tero Ahola Integrated draft version of pie series	r51	{
Tero Ahola Refactored series creation with QChart	r61	}

Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	QPieSeriesPrivate::~QPieSeriesPrivate()
Tero Ahola Refactored series creation with QChart	r61	{
		while (m_slices.count())
		delete m_slices.takeLast();
		}

Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	bool QPieSeriesPrivate::setData(QList<qreal> data)
Tero Ahola Refactored series creation with QChart	r61	{
		m_data = data;

Tero Ahola One more alternative for changing themes	r108	if (parentItem()) {
Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	// Create slices
		qreal fullPie = 360;
		qreal total = 0;
		foreach (qreal value, m_data)
		total += value;

Tero Ahola One more alternative for changing themes	r108	m_chartSize = parentItem()->boundingRect();
Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	qreal angle = 0;
		// TODO: no need to create new slices in case size changed; we should re-use the existing ones
		foreach (qreal value, m_data) {
		qreal span = value / total * fullPie;
Tero Ahola One more alternative for changing themes	r108	PieSlice *slice = new PieSlice(QColor(), angle, span, parentItem()->boundingRect());
		slice->setParentItem(parentItem());
Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	m_slices.append(slice);
		angle += span;
		}
Tero Ahola Integrated draft version of pie series	r51
Tero Ahola One more alternative for changing themes	r108	themeChanged(m_chartTheme);
Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	resizeSlices(m_chartSize);
Tero Ahola Integrated draft version of pie series	r51	}
Tero Ahola Added size factor property to pie	r60
Tero Ahola Refactored series creation with QChart	r61	return true;
Tero Ahola Removed scale from chart's sizeChanged signals	r54	}

Tero Ahola Refactoring continued: restored ChartItem class	r104	void QPieSeriesPrivate::setSize(const QSize &size)
Tero Ahola Color themes now enabled for scatter, pie and line series.	r75	{
Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	// TODO: allow user setting the size?
		// TODO: allow user defining the margins?
		m_chartSize = QRect(0, 0, size.width(), size.height());
		resizeSlices(m_chartSize);
Tero Ahola Color themes now enabled for scatter, pie and line series.	r75	}

Tero Ahola One more alternative for changing themes	r108	void QPieSeriesPrivate::setPlotDomain(const PlotDomain& plotDomain)
		{
		// TODO
		}

		void QPieSeriesPrivate::themeChanged(ChartTheme *theme)
Tero Ahola Color themes now enabled for scatter, pie and line series.	r75	{
Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	if (theme) {
		m_chartTheme = theme;
		for (int i(0); i < m_slices.count(); i++)
		m_slices.at(i)->m_theme = theme->themeForSeries();
		}
Tero Ahola Color themes now enabled for scatter, pie and line series.	r75	}

Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	void QPieSeriesPrivate::resizeSlices(QRectF rect)
Tero Ahola Added size factor property to pie	r60	{
		QRectF tempRect = rect;
		if (tempRect.width() < tempRect.height()) {
		tempRect.setWidth(tempRect.width() * m_sizeFactor);
		tempRect.setHeight(tempRect.width());
		tempRect.moveCenter(rect.center());
		} else {
		tempRect.setHeight(tempRect.height() * m_sizeFactor);
		tempRect.setWidth(tempRect.height());
		tempRect.moveCenter(rect.center());
		}

Tero Ahola Theme now affects background, enabled zoom by default in QChartWidget	r77	switch (m_position) {
Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	case QPieSeries::PiePositionTopLeft: {
Tero Ahola Theme now affects background, enabled zoom by default in QChartWidget	r77	tempRect.setHeight(tempRect.height() / 2);
		tempRect.setWidth(tempRect.height());
		tempRect.moveCenter(QPointF(rect.center().x() / 2, rect.center().y() / 2));
		break;
		}
Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	case QPieSeries::PiePositionTopRight: {
Tero Ahola Theme now affects background, enabled zoom by default in QChartWidget	r77	tempRect.setHeight(tempRect.height() / 2);
		tempRect.setWidth(tempRect.height());
		tempRect.moveCenter(QPointF((rect.center().x() / 2) * 3, rect.center().y() / 2));
		break;
		}
Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	case QPieSeries::PiePositionBottomLeft: {
Tero Ahola Theme now affects background, enabled zoom by default in QChartWidget	r77	tempRect.setHeight(tempRect.height() / 2);
		tempRect.setWidth(tempRect.height());
		tempRect.moveCenter(QPointF(rect.center().x() / 2, (rect.center().y() / 2) * 3));
		break;
		}
Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	case QPieSeries::PiePositionBottomRight: {
Tero Ahola Theme now affects background, enabled zoom by default in QChartWidget	r77	tempRect.setHeight(tempRect.height() / 2);
		tempRect.setWidth(tempRect.height());
		tempRect.moveCenter(QPointF((rect.center().x() / 2) * 3, (rect.center().y() / 2) * 3));
		break;
		}
		default:
		break;
		}

Tero Ahola Added size factor property to pie	r60	foreach (PieSlice *slice, m_slices)
		slice->m_rect = tempRect;
		}

Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	QPieSeries::QPieSeries(QGraphicsObject *parent) :
		QChartSeries(parent),
Tero Ahola One more alternative for changing themes	r108	d(new QPieSeriesPrivate(parent))
Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	{
		}

		QPieSeries::~QPieSeries()
		{
		delete d;
		}

		bool QPieSeries::setData(QList<qreal> data)
		{
		return d->setData(data);
		}

		void QPieSeries::setSliceColor(int index, QColor color)
		{
		if (index >= 0 && index < d->m_slices.count())
		d->m_slices.at(index)->m_color = color;
		}

		QColor QPieSeries::sliceColor(int index)
		{
		if (index >= 0 && index < d->m_slices.count())
		return d->m_slices.at(index)->m_color;
		else
		return QColor();
		}

		int QPieSeries::sliceCount()
		{
		return d->m_slices.count();
		}

Tero Ahola Added size factor property to pie	r60	void QPieSeries::setSizeFactor(qreal factor)
		{
		if (factor > 0.0)
Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	d->m_sizeFactor = factor;
		d->resizeSlices(d->m_chartSize);
Tero Ahola Added size factor property to pie	r60
		// Initiate update via the parent graphics item
		// TODO: potential issue: what if this function is called from the parent context?
Tero Ahola One more alternative for changing themes	r108	if (d->parentItem())
		d->parentItem()->update();
Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	}

		qreal QPieSeries::sizeFactor()
		{
		return d->m_sizeFactor;
Tero Ahola Removed scale from chart's sizeChanged signals	r54	}

Tero Ahola Theme now affects background, enabled zoom by default in QChartWidget	r77	void QPieSeries::setPosition(PiePosition position)
		{
Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	d->m_position = position;
		d->resizeSlices(d->m_chartSize);
Tero Ahola Theme now affects background, enabled zoom by default in QChartWidget	r77
		// Initiate update via the parent graphics item
		// TODO: potential issue: what if this function is called from the parent context?
		QGraphicsItem parentItem = qobject_cast<QGraphicsItem >(parent());
		Q_ASSERT(parentItem);
		parentItem->update();
		}

Tero Ahola Integrated draft version of pie series	r51	#include "moc_qpieseries.cpp"

		QTCOMMERCIALCHART_END_NAMESPACE