HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · example/stackedbarchartdrilldown/main.cpp

Added a pie chart customization example and refactoring the pie interface.

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             main.cpp
        
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             / example / stackedbarchartdrilldown / main.cpp
          
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        sauimone
    
Drilldown example for barcharts continuing. Still some bugs

              r430
            
      #include <QtGui/QApplication>

        sauimone
    
Better way to enable features to user. Do less, but expose signals to user and allow user to descide what to do.

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      #include <QMainWindow>

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      #include <qchartglobal.h>

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      #include <qchartview.h>

      #include <qstackedbarseries.h>

      #include <qbarset.h>

      #include <qchartaxis.h>

      #include <QStringList>

        sauimone
    
Drilldown example for barcharts continuing. Still some bugs

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      #include <QDebug>

        sauimone
    
Better way to enable features to user. Do less, but expose signals to user and allow user to descide what to do.

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      QTCOMMERCIALCHART_USE_NAMESPACE

        sauimone
    
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      //! [1]

      class DrilldownBarSeries : public QStackedBarSeries

      {

          Q_OBJECT

      public:

          DrilldownBarSeries(QStringList categories, QObject* parent=0) : QStackedBarSeries(categories,parent) {}

      /*

      public Q_SLOTS:

          void handleRightClick(QBarSet *barset, QString category)

          {

          }

      */

      };

      //! [1]

      //! [2]

      class DrilldownBarSet : public QBarSet

      {

          Q_OBJECT

      public:

          DrilldownBarSet(QString name, DrilldownBarSeries *parent) : QBarSet(name, parent), mSeries(parent) {}

          DrilldownBarSeries* drilldownSeries() { return mSeries; }

      private:

          DrilldownBarSeries* mSeries;

      };

      //! [2]

      //! [3]

      class DrilldownChart : public QChartView

      {

          Q_OBJECT

      public:

          explicit DrilldownChart(QWidget *parent = 0) : QChartView(parent), m_currentSeries(0) {}

          void changeSeries(QSeries* series)

          {

              if (m_currentSeries)

                  removeSeries(m_currentSeries);

              m_currentSeries = series;

              addSeries(series);

              setChartTitle(series->title());

          }

      public Q_SLOTS:

          void handleRightClick(QBarSet* barset, QString category)

          {

              qDebug() << "DrilldownChart::handleRightClick" << barset->name() << category;

              // TODO: continue from here

      //        DrilldownBarSet* drilldownBarSet = static_cast<DrilldownBarSet*>(barset);

      //        changeSeries(drilldownBarSet->drilldownSeries());

          }

      private:

          QSeries* m_currentSeries;

      };

      //! [3]

        sauimone
    
Better way to enable features to user. Do less, but expose signals to user and allow user to descide what to do.

              r425
            
      int main(int argc, char *argv[])

      {

          QApplication a(argc, argv);

          QMainWindow window;

        sauimone
    
Drilldown example for barcharts continuing. Still some bugs

              r430
            
          DrilldownChart* drilldownChart =  new DrilldownChart(&window);

          drilldownChart->setChartTheme(QChart::ChartThemeIcy);

        sauimone
    
Better way to enable features to user. Do less, but expose signals to user and allow user to descide what to do.

              r425
            
          //! [1]

          // Define categories

        sauimone
    
Drilldown example for barcharts continuing. Still some bugs

              r430
            
          QStringList months;

          months << "Jun" << "Jul" << "Aug" << "Oct";

          QStringList weeks;

          weeks << "week 1" << "week 2" << "week 3" << "week 4";

          QStringList plants;

          plants << "Habanero" << "Lemon Drop" << "Starfish" << "Aji Amarillo";

        sauimone
    
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              r425
            
          //! [1]

        sauimone
    
Drilldown example for barcharts continuing. Still some bugs

              r430
            
          DrilldownBarSeries* seasonSeries = new DrilldownBarSeries(months, drilldownChart);

          seasonSeries->setTitle("Crop by month - Season");

          foreach (QString plant, plants) {

              DrilldownBarSet *seasonCrop = new DrilldownBarSet(plant, seasonSeries);

              foreach(QString month, months) {

                  DrilldownBarSeries* monthSeries = new DrilldownBarSeries(weeks, drilldownChart);

                  DrilldownBarSet *monthCrop = new DrilldownBarSet(plant, monthSeries);

                  foreach(QString week, weeks) {

                      *monthCrop << (qrand() % 20);

                  }

                  monthSeries->addBarSet(monthCrop);

                  *seasonCrop << monthCrop->valueAt(plants.indexOf(plant));

              }

              // We want floating values!

              QObject::connect(seasonCrop,SIGNAL(clicked(QString)),seasonCrop,SIGNAL(toggleFloatingValues()));

              seasonSeries->addBarSet(seasonCrop);

          }

          QObject::connect(seasonSeries,SIGNAL(rightClicked(QBarSet*,QString)),drilldownChart,SLOT(handleRightClick(QBarSet*,QString)));

          seasonSeries->setToolTipEnabled(true);

          drilldownChart->addSeries(seasonSeries);

          drilldownChart->axisX()->setAxisVisible(false);

          drilldownChart->axisX()->setGridVisible(false);

          drilldownChart->axisX()->setLabelsVisible(false);

          window.setCentralWidget(drilldownChart);

        sauimone
    
Better way to enable features to user. Do less, but expose signals to user and allow user to descide what to do.

              r425
            
          window.resize(400, 300);

          window.show();

        sauimone
    
Drilldown example for barcharts continuing. Still some bugs

              r430
            
        sauimone
    
Better way to enable features to user. Do less, but expose signals to user and allow user to descide what to do.

              r425
            
          return a.exec();

      }

        sauimone
    
Drilldown example for barcharts continuing. Still some bugs

              r430
            
      #include "main.moc"

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sauimone Drilldown example for barcharts continuing. Still some bugs	r430	#include <QtGui/QApplication>
sauimone Better way to enable features to user. Do less, but expose signals to user and allow user to descide what to do.	r425	#include <QMainWindow>
sauimone Drilldown example for barcharts continuing. Still some bugs	r430	#include <qchartglobal.h>
sauimone Better way to enable features to user. Do less, but expose signals to user and allow user to descide what to do.	r425	#include <qchartview.h>
		#include <qstackedbarseries.h>
		#include <qbarset.h>
		#include <qchartaxis.h>
		#include <QStringList>
sauimone Drilldown example for barcharts continuing. Still some bugs	r430	#include <QDebug>
sauimone Better way to enable features to user. Do less, but expose signals to user and allow user to descide what to do.	r425
		QTCOMMERCIALCHART_USE_NAMESPACE

sauimone Drilldown example for barcharts continuing. Still some bugs	r430	//! [1]
		class DrilldownBarSeries : public QStackedBarSeries
		{
		Q_OBJECT
		public:
		DrilldownBarSeries(QStringList categories, QObject* parent=0) : QStackedBarSeries(categories,parent) {}

		/*
		public Q_SLOTS:
		void handleRightClick(QBarSet *barset, QString category)
		{
		}
		*/
		};
		//! [1]

		//! [2]
		class DrilldownBarSet : public QBarSet
		{
		Q_OBJECT
		public:
		DrilldownBarSet(QString name, DrilldownBarSeries *parent) : QBarSet(name, parent), mSeries(parent) {}

		DrilldownBarSeries* drilldownSeries() { return mSeries; }

		private:
		DrilldownBarSeries* mSeries;
		};
		//! [2]

		//! [3]
		class DrilldownChart : public QChartView
		{
		Q_OBJECT
		public:
		explicit DrilldownChart(QWidget *parent = 0) : QChartView(parent), m_currentSeries(0) {}

		void changeSeries(QSeries* series)
		{
		if (m_currentSeries)
		removeSeries(m_currentSeries);
		m_currentSeries = series;
		addSeries(series);
		setChartTitle(series->title());
		}

		public Q_SLOTS:
		void handleRightClick(QBarSet* barset, QString category)
		{
		qDebug() << "DrilldownChart::handleRightClick" << barset->name() << category;
		// TODO: continue from here
		// DrilldownBarSet* drilldownBarSet = static_cast<DrilldownBarSet*>(barset);
		// changeSeries(drilldownBarSet->drilldownSeries());
		}

		private:
		QSeries* m_currentSeries;
		};
		//! [3]


sauimone Better way to enable features to user. Do less, but expose signals to user and allow user to descide what to do.	r425	int main(int argc, char *argv[])
		{
		QApplication a(argc, argv);
		QMainWindow window;

sauimone Drilldown example for barcharts continuing. Still some bugs	r430	DrilldownChart* drilldownChart = new DrilldownChart(&window);
		drilldownChart->setChartTheme(QChart::ChartThemeIcy);

sauimone Better way to enable features to user. Do less, but expose signals to user and allow user to descide what to do.	r425	//! [1]
		// Define categories
sauimone Drilldown example for barcharts continuing. Still some bugs	r430	QStringList months;
		months << "Jun" << "Jul" << "Aug" << "Oct";
		QStringList weeks;
		weeks << "week 1" << "week 2" << "week 3" << "week 4";
		QStringList plants;
		plants << "Habanero" << "Lemon Drop" << "Starfish" << "Aji Amarillo";
sauimone Better way to enable features to user. Do less, but expose signals to user and allow user to descide what to do.	r425	//! [1]

sauimone Drilldown example for barcharts continuing. Still some bugs	r430	DrilldownBarSeries* seasonSeries = new DrilldownBarSeries(months, drilldownChart);
		seasonSeries->setTitle("Crop by month - Season");

		foreach (QString plant, plants) {
		DrilldownBarSet *seasonCrop = new DrilldownBarSet(plant, seasonSeries);
		foreach(QString month, months) {
		DrilldownBarSeries* monthSeries = new DrilldownBarSeries(weeks, drilldownChart);
		DrilldownBarSet *monthCrop = new DrilldownBarSet(plant, monthSeries);
		foreach(QString week, weeks) {
		*monthCrop << (qrand() % 20);
		}
		monthSeries->addBarSet(monthCrop);
		*seasonCrop << monthCrop->valueAt(plants.indexOf(plant));
		}

		// We want floating values!
		QObject::connect(seasonCrop,SIGNAL(clicked(QString)),seasonCrop,SIGNAL(toggleFloatingValues()));
		seasonSeries->addBarSet(seasonCrop);
		}

		QObject::connect(seasonSeries,SIGNAL(rightClicked(QBarSet,QString)),drilldownChart,SLOT(handleRightClick(QBarSet,QString)));

		seasonSeries->setToolTipEnabled(true);

		drilldownChart->addSeries(seasonSeries);

		drilldownChart->axisX()->setAxisVisible(false);
		drilldownChart->axisX()->setGridVisible(false);
		drilldownChart->axisX()->setLabelsVisible(false);

		window.setCentralWidget(drilldownChart);
sauimone Better way to enable features to user. Do less, but expose signals to user and allow user to descide what to do.	r425	window.resize(400, 300);
		window.show();
sauimone Drilldown example for barcharts continuing. Still some bugs	r430
sauimone Better way to enable features to user. Do less, but expose signals to user and allow user to descide what to do.	r425	return a.exec();
		}

sauimone Drilldown example for barcharts continuing. Still some bugs	r430	#include "main.moc"