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

domain applied to barcharts. x-axis domain doesn't make sense in this case

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             bargroup.cpp
        
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        sauimone
    
Integrating bar chart. Cleaned up old implementation. TODO: show this in test application. how?

              r56
            
      #include "bargroup.h"

      #include "bar.h"

      #include <QDebug>

      QTCOMMERCIALCHART_BEGIN_NAMESPACE

        sauimone
    
Added bar chart example

              r78
            
      BarGroup::BarGroup(BarChartSeries& series, QGraphicsItem *parent) :

        Tero Ahola
    
Refactoring continued: restored ChartItem class

              r104
            
          ChartItem(parent)

          ,mSeries(series)

          ,mLayoutSet(false)

          ,mLayoutDirty(true)

          ,mBarDefaultWidth(10)

        sauimone
    
Integrating bar chart. Cleaned up old implementation. TODO: show this in test application. how?

              r56
            
      {

          dataChanged();

      }

        Tero Ahola
    
Refactoring continued: restored ChartItem class

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

        sauimone
    
Added bar chart example

              r78
            
      {

          qDebug() << "BarGroup::setSize";

        sauimone
    
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              r90
            
          mWidth = size.width();

          mHeight = size.height();

          layoutChanged();

          mLayoutSet = true;

        sauimone
    
Added bar chart example

              r78
            
      }

      void BarGroup::setPlotDomain(const PlotDomain& data)

      {

          qDebug() << "BarGroup::setPlotDomain";

        sauimone
    
correct drawing for barchart

              r82
            
          // TODO:

        sauimone
    
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              r101
            
          mPlotDomain = data;

        sauimone
    
Added bar chart example

              r78
            
      }

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

              r103
            
      void BarGroup::setTheme(ChartTheme *theme)

      {

        sauimone
    
adopted theme interface to barcharts

              r106
            
          qDebug() << "BarGroup::setTheme";

          // TODO:

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

              r103
            
      }

        sauimone
    
Integrating bar chart. Cleaned up old implementation. TODO: show this in test application. how?

              r56
            
      void BarGroup::setBarWidth( int w )

      {

          mBarDefaultWidth = w;

      }

        sauimone
    
correct drawing for barchart

              r82
            
      int BarGroup::addColor( QColor color )

        sauimone
    
Integrating bar chart. Cleaned up old implementation. TODO: show this in test application. how?

              r56
            
      {

        sauimone
    
correct drawing for barchart

              r82
            
          int colorIndex = mColors.count();

          mColors.append(color);

          return colorIndex;

        sauimone
    
Integrating bar chart. Cleaned up old implementation. TODO: show this in test application. how?

              r56
            
      }

        sauimone
    
reset colors for barchart

              r92
            
      void BarGroup::resetColors()

      {

          mColors.clear();

      }

        sauimone
    
Integrating bar chart. Cleaned up old implementation. TODO: show this in test application. how?

              r56
            
      void BarGroup::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)

      {

          if (!mLayoutSet) {

              qDebug() << "QBarChart::paint called without layout set. Aborting.";

              return;

          }

          if (mLayoutDirty) {

              // Layout or data has changed. Need to redraw.

              foreach(QGraphicsItem* i, childItems()) {

                  i->paint(painter,option,widget);

              }

          }

      }

      QRectF BarGroup::boundingRect() const

      {

          return QRectF(0,0,mWidth,mHeight);

      }

      void BarGroup::dataChanged()

      {

          qDebug() << "QBarChart::dataChanged mSeries";

          // Find out maximum and minimum of all series

          mMax = mSeries.max();

          mMin = mSeries.min();

          // Delete old bars

          // Is this correct way to delete childItems?

          foreach (QGraphicsItem* item, childItems()) {

              delete item;

          }

          // Create new graphic items for bars

        sauimone
    
Improved bar chart series

              r71
            
          int totalItems = mSeries.countTotalItems();

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

        sauimone
    
Integrating bar chart. Cleaned up old implementation. TODO: show this in test application. how?

              r56
            
              Bar *bar = new Bar(this);

              childItems().append(bar);

          }

          mLayoutDirty = true;

      }

      void BarGroup::layoutChanged()

      {

          // Scale bars to new layout

          // Layout for bars:

        sauimone
    
bar chart layout fixing

              r99
            
          if (mSeries.countRows() <= 0) {

        sauimone
    
Integrating bar chart. Cleaned up old implementation. TODO: show this in test application. how?

              r56
            
              // Nothing to do.

              return;

          }

        sauimone
    
percent bar chart

              r101
            
          // TODO: better way to auto-layout?

        sauimone
    
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              r99
            
          // Use reals for accurancy (we might get some compiler warnings... :)

          int columnCount = mSeries.countColumns();

          int rowCount = mSeries.countRows();

        sauimone
    
Integrating bar chart. Cleaned up old implementation. TODO: show this in test application. how?

              r56
            
        sauimone
    
bar chart layout fixing

              r99
            
          qreal tW = mWidth;

          qreal tH = mHeight;

          qreal tM = mMax;

          qreal scale = (tH/tM);

          qreal tC = columnCount+1;

          qreal xStepPerSeries = (tW/tC);

          qDebug() << "XSTEP:" << xStepPerSeries;

        sauimone
    
correct drawing for barchart

              r82
            
          // Scaling.

        sauimone
    
Improved bar chart series

              r71
            
          int itemIndex(0);

        sauimone
    
bar chart layout fixing

              r99
            
          for (int column=0; column < columnCount; column++) {

              qreal xPos = xStepPerSeries * column + ((tW + mBarDefaultWidth*rowCount)/(columnCount*2));

              for (int row = 0; row < rowCount; row++) {

                  qreal barHeight = mSeries.valueAt(row, column) * scale;

                  Bar* bar = reinterpret_cast<Bar*> (childItems().at(itemIndex));

                  // TODO: width settable per bar?

                  bar->resize(mBarDefaultWidth, barHeight);

                  bar->setColor(mColors.at(row));

                  bar->setPos(xPos, mHeight); // item*posStep+startPos + series * mBarDefaultWidth, mHeight);

                  itemIndex++;

                  xPos += mBarDefaultWidth;

              }

          }

        sauimone
    
Integrating bar chart. Cleaned up old implementation. TODO: show this in test application. how?

              r56
            
          mLayoutDirty = true;

      }

      QTCOMMERCIALCHART_END_NAMESPACE

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sauimone Integrating bar chart. Cleaned up old implementation. TODO: show this in test application. how?	r56	#include "bargroup.h"
		#include "bar.h"
		#include <QDebug>

		QTCOMMERCIALCHART_BEGIN_NAMESPACE

sauimone Added bar chart example	r78	BarGroup::BarGroup(BarChartSeries& series, QGraphicsItem *parent) :
Tero Ahola Refactoring continued: restored ChartItem class	r104	ChartItem(parent)
		,mSeries(series)
		,mLayoutSet(false)
		,mLayoutDirty(true)
		,mBarDefaultWidth(10)
sauimone Integrating bar chart. Cleaned up old implementation. TODO: show this in test application. how?	r56	{
		dataChanged();
		}

Tero Ahola Refactoring continued: restored ChartItem class	r104	void BarGroup::setSize(const QSize& size)
sauimone Added bar chart example	r78	{
		qDebug() << "BarGroup::setSize";
sauimone removed old resize method from barchart	r90	mWidth = size.width();
		mHeight = size.height();
		layoutChanged();
		mLayoutSet = true;
sauimone Added bar chart example	r78	}

		void BarGroup::setPlotDomain(const PlotDomain& data)
		{
		qDebug() << "BarGroup::setPlotDomain";
sauimone correct drawing for barchart	r82	// TODO:
sauimone percent bar chart	r101	mPlotDomain = data;
sauimone Added bar chart example	r78	}

Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	void BarGroup::setTheme(ChartTheme *theme)
		{
sauimone adopted theme interface to barcharts	r106	qDebug() << "BarGroup::setTheme";
		// TODO:
Tero Ahola Refactored themes; now enabled for line, scatter and pies...	r103	}

sauimone Integrating bar chart. Cleaned up old implementation. TODO: show this in test application. how?	r56	void BarGroup::setBarWidth( int w )
		{
		mBarDefaultWidth = w;
		}

sauimone correct drawing for barchart	r82	int BarGroup::addColor( QColor color )
sauimone Integrating bar chart. Cleaned up old implementation. TODO: show this in test application. how?	r56	{
sauimone correct drawing for barchart	r82	int colorIndex = mColors.count();
		mColors.append(color);
		return colorIndex;
sauimone Integrating bar chart. Cleaned up old implementation. TODO: show this in test application. how?	r56	}

sauimone reset colors for barchart	r92	void BarGroup::resetColors()
		{
		mColors.clear();
		}

sauimone Integrating bar chart. Cleaned up old implementation. TODO: show this in test application. how?	r56	void BarGroup::paint(QPainter painter, const QStyleOptionGraphicsItem option, QWidget *widget)
		{
		if (!mLayoutSet) {
		qDebug() << "QBarChart::paint called without layout set. Aborting.";
		return;
		}
		if (mLayoutDirty) {
		// Layout or data has changed. Need to redraw.
		foreach(QGraphicsItem* i, childItems()) {
		i->paint(painter,option,widget);
		}
		}
		}

		QRectF BarGroup::boundingRect() const
		{
		return QRectF(0,0,mWidth,mHeight);
		}


		void BarGroup::dataChanged()
		{
		qDebug() << "QBarChart::dataChanged mSeries";

		// Find out maximum and minimum of all series
		mMax = mSeries.max();
		mMin = mSeries.min();

		// Delete old bars
		// Is this correct way to delete childItems?
		foreach (QGraphicsItem* item, childItems()) {
		delete item;
		}

		// Create new graphic items for bars
sauimone Improved bar chart series	r71	int totalItems = mSeries.countTotalItems();
		for (int i=0; i<totalItems; i++) {
sauimone Integrating bar chart. Cleaned up old implementation. TODO: show this in test application. how?	r56	Bar *bar = new Bar(this);
		childItems().append(bar);
		}

		mLayoutDirty = true;
		}

		void BarGroup::layoutChanged()
		{
		// Scale bars to new layout
		// Layout for bars:
sauimone bar chart layout fixing	r99	if (mSeries.countRows() <= 0) {
sauimone Integrating bar chart. Cleaned up old implementation. TODO: show this in test application. how?	r56	// Nothing to do.
		return;
		}

sauimone percent bar chart	r101	// TODO: better way to auto-layout?
sauimone bar chart layout fixing	r99	// Use reals for accurancy (we might get some compiler warnings... :)
		int columnCount = mSeries.countColumns();
		int rowCount = mSeries.countRows();
sauimone Integrating bar chart. Cleaned up old implementation. TODO: show this in test application. how?	r56
sauimone bar chart layout fixing	r99	qreal tW = mWidth;
		qreal tH = mHeight;
		qreal tM = mMax;
		qreal scale = (tH/tM);

		qreal tC = columnCount+1;
		qreal xStepPerSeries = (tW/tC);

		qDebug() << "XSTEP:" << xStepPerSeries;

sauimone correct drawing for barchart	r82	// Scaling.
sauimone Improved bar chart series	r71	int itemIndex(0);
sauimone bar chart layout fixing	r99	for (int column=0; column < columnCount; column++) {
		qreal xPos = xStepPerSeries * column + ((tW + mBarDefaultWidthrowCount)/(columnCount2));
		for (int row = 0; row < rowCount; row++) {
		qreal barHeight = mSeries.valueAt(row, column) * scale;
		Bar* bar = reinterpret_cast<Bar*> (childItems().at(itemIndex));

		// TODO: width settable per bar?
		bar->resize(mBarDefaultWidth, barHeight);
		bar->setColor(mColors.at(row));
		bar->setPos(xPos, mHeight); // itemposStep+startPos + series mBarDefaultWidth, mHeight);
		itemIndex++;
		xPos += mBarDefaultWidth;
		}
		}

sauimone Integrating bar chart. Cleaned up old implementation. TODO: show this in test application. how?	r56	mLayoutDirty = true;
		}

		QTCOMMERCIALCHART_END_NAMESPACE