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

Drilldown example using stacked barchart.

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             main.cpp
        
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        sauimone
    
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      #include <QtGui/QApplication>

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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>

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      #include <QDebug>

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      QTCOMMERCIALCHART_USE_NAMESPACE

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      //! [1]

      class DrilldownBarSeries : public QStackedBarSeries

      {

          Q_OBJECT

      public:

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

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          void addDrilldownSeries(QString category, DrilldownBarSeries* drilldownSeries)

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          {

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              mDrilldownSeries[category] = drilldownSeries;

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          }

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          DrilldownBarSeries* drilldownSeries(QString category)

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          {

      //        qDebug() << "DrilldownBarSeries::drilldownSeries" << category << mDrilldownSeries[category];

              return mDrilldownSeries[category];

          }

      public Q_SLOTS:

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      private:

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          QMap<QString, DrilldownBarSeries*> mDrilldownSeries;

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      };

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      //! [1]

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      //! [2]

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      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:

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          void  handleRightClick(QBarSet *barset, QString category)

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          {

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

              // TODO: continue from here

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              DrilldownBarSeries* series = static_cast<DrilldownBarSeries*> (sender());

              changeSeries(series->drilldownSeries(category));

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          }

      private:

          QSeries* m_currentSeries;

      };

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      //! [2]

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

      {

          QApplication a(argc, argv);

          QMainWindow window;

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          DrilldownChart* drilldownChart =  new DrilldownChart(&window);

          drilldownChart->setChartTheme(QChart::ChartThemeIcy);

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          //! [3]

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          // Define categories

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          QStringList months;

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          months << "Jun" << "Jul" << "Aug" << "Sep";

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          QStringList weeks;

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

          QStringList plants;

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

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          //! [3]

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          //! [4]

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          // Create drilldown structure

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

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

        sauimone
    
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          // Each month in season series has drilldown series for weekly data

          foreach (QString month, months) {

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              // Create drilldown series for every week

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

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              seasonSeries->addDrilldownSeries(month, weeklySeries);

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              // Drilling down from weekly data brings us back to season data.

              foreach (QString week, weeks) {

                  weeklySeries->addDrilldownSeries(week, seasonSeries);

                  weeklySeries->setTitle(QString("Crop by week - " + month));

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              }

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              // Use right click signal to implement drilldown

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

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          }

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          //! [4]

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          //! [5]

          // Fill monthly and weekly series with data

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updating drilldown example. Needs some more thinking

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          foreach (QString plant, plants) {

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              QBarSet* monthlyCrop = new QBarSet(plant);

              foreach (QString month, months) {

                  QBarSet* weeklyCrop = new QBarSet(plant);

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                  foreach (QString week, weeks ) {

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

                  }

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                  // Get the drilldown series from upper level series and add crop to it.

                  seasonSeries->drilldownSeries(month)->addBarSet(weeklyCrop);

                  seasonSeries->drilldownSeries(month)->setToolTipEnabled(true);

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                  *monthlyCrop << weeklyCrop->total();

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

              }

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              seasonSeries->addBarSet(monthlyCrop);

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

          }

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          //! [5]

          seasonSeries->setToolTipEnabled(true);

          // Enable drilldown from season series using right click.

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

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          // Show season series in initial view

          drilldownChart->changeSeries(seasonSeries);

          drilldownChart->setChartTitle(seasonSeries->title());

        sauimone
    
Drilldown example for barcharts continuing. Still some bugs

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        sauimone
    
Drilldown example using stacked barchart.

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          // Disable axis, since they don't really apply to bar chart

        sauimone
    
Drilldown example for barcharts continuing. Still some bugs

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

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

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

          window.setCentralWidget(drilldownChart);

        sauimone
    
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          window.resize(400, 300);

          window.show();

        sauimone
    
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        sauimone
    
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          return a.exec();

      }

        sauimone
    
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      #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:
sauimone Drilldown example using stacked barchart.	r449	DrilldownBarSeries(QStringList categories, QObject *parent = 0) : QStackedBarSeries(categories,parent) {}
sauimone updating drilldown example. Needs some more thinking	r438
sauimone Drilldown example using stacked barchart.	r449	void addDrilldownSeries(QString category, DrilldownBarSeries* drilldownSeries)
sauimone Drilldown example for barcharts continuing. Still some bugs	r430	{
sauimone Drilldown example using stacked barchart.	r449	mDrilldownSeries[category] = drilldownSeries;
sauimone Drilldown example for barcharts continuing. Still some bugs	r430	}
sauimone updating drilldown example. Needs some more thinking	r438
		DrilldownBarSeries* drilldownSeries(QString category)
sauimone Drilldown example using stacked barchart.	r449	{
		// qDebug() << "DrilldownBarSeries::drilldownSeries" << category << mDrilldownSeries[category];
		return mDrilldownSeries[category];
		}

		public Q_SLOTS:
sauimone Drilldown example for barcharts continuing. Still some bugs	r430
		private:
sauimone Drilldown example using stacked barchart.	r449
		QMap<QString, DrilldownBarSeries*> mDrilldownSeries;
sauimone Drilldown example for barcharts continuing. Still some bugs	r430	};
sauimone Drilldown example using stacked barchart.	r449	//! [1]
sauimone Drilldown example for barcharts continuing. Still some bugs	r430
sauimone Drilldown example using stacked barchart.	r449	//! [2]
sauimone Drilldown example for barcharts continuing. Still some bugs	r430	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:
sauimone updating drilldown example. Needs some more thinking	r438	void handleRightClick(QBarSet *barset, QString category)
sauimone Drilldown example for barcharts continuing. Still some bugs	r430	{
		qDebug() << "DrilldownChart::handleRightClick" << barset->name() << category;
		// TODO: continue from here
sauimone Drilldown example using stacked barchart.	r449	DrilldownBarSeries* series = static_cast<DrilldownBarSeries*> (sender());
		changeSeries(series->drilldownSeries(category));
sauimone Drilldown example for barcharts continuing. Still some bugs	r430	}

		private:
		QSeries* m_currentSeries;
		};
sauimone Drilldown example using stacked barchart.	r449	//! [2]
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	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 Drilldown example using stacked barchart.	r449	//! [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	// Define categories
sauimone Drilldown example for barcharts continuing. Still some bugs	r430	QStringList months;
sauimone updating drilldown example. Needs some more thinking	r438	months << "Jun" << "Jul" << "Aug" << "Sep";
sauimone Drilldown example for barcharts continuing. Still some bugs	r430	QStringList weeks;
		weeks << "week 1" << "week 2" << "week 3" << "week 4";
		QStringList plants;
		plants << "Habanero" << "Lemon Drop" << "Starfish" << "Aji Amarillo";
sauimone Drilldown example using stacked barchart.	r449	//! [3]

sauimone updating drilldown example. Needs some more thinking	r438	//! [4]
sauimone Drilldown example using stacked barchart.	r449	// Create drilldown structure
		DrilldownBarSeries* seasonSeries = new DrilldownBarSeries(months, drilldownChart);
		seasonSeries->setTitle("Crop by month - Season");
sauimone Better way to enable features to user. Do less, but expose signals to user and allow user to descide what to do.	r425
sauimone Drilldown example using stacked barchart.	r449	// Each month in season series has drilldown series for weekly data
		foreach (QString month, months) {
sauimone Drilldown example for barcharts continuing. Still some bugs	r430
sauimone Drilldown example using stacked barchart.	r449	// Create drilldown series for every week
sauimone updating drilldown example. Needs some more thinking	r438	DrilldownBarSeries* weeklySeries = new DrilldownBarSeries(weeks, drilldownChart);
sauimone Drilldown example using stacked barchart.	r449	seasonSeries->addDrilldownSeries(month, weeklySeries);
sauimone updating drilldown example. Needs some more thinking	r438
sauimone Drilldown example using stacked barchart.	r449	// Drilling down from weekly data brings us back to season data.
		foreach (QString week, weeks) {
		weeklySeries->addDrilldownSeries(week, seasonSeries);
		weeklySeries->setTitle(QString("Crop by week - " + month));
sauimone Drilldown example for barcharts continuing. Still some bugs	r430	}

sauimone Drilldown example using stacked barchart.	r449	// Use right click signal to implement drilldown
		QObject::connect(weeklySeries,SIGNAL(rightClicked(QBarSet,QString)),drilldownChart,SLOT(handleRightClick(QBarSet,QString)));
sauimone Drilldown example for barcharts continuing. Still some bugs	r430	}
sauimone Drilldown example using stacked barchart.	r449	//! [4]
sauimone Drilldown example for barcharts continuing. Still some bugs	r430
sauimone Drilldown example using stacked barchart.	r449	//! [5]
		// Fill monthly and weekly series with data
sauimone updating drilldown example. Needs some more thinking	r438	foreach (QString plant, plants) {
sauimone Drilldown example using stacked barchart.	r449	QBarSet* monthlyCrop = new QBarSet(plant);
		foreach (QString month, months) {
		QBarSet* weeklyCrop = new QBarSet(plant);
sauimone updating drilldown example. Needs some more thinking	r438	foreach (QString week, weeks ) {
		*weeklyCrop << (qrand() % 20);
		}
sauimone Drilldown example using stacked barchart.	r449	// Get the drilldown series from upper level series and add crop to it.
		seasonSeries->drilldownSeries(month)->addBarSet(weeklyCrop);
		seasonSeries->drilldownSeries(month)->setToolTipEnabled(true);
sauimone updating drilldown example. Needs some more thinking	r438	*monthlyCrop << weeklyCrop->total();
sauimone Drilldown example using stacked barchart.	r449
sauimone updating drilldown example. Needs some more thinking	r438	QObject::connect(weeklyCrop,SIGNAL(clicked(QString)),weeklyCrop,SIGNAL(toggleFloatingValues()));
		}
sauimone Drilldown example using stacked barchart.	r449	seasonSeries->addBarSet(monthlyCrop);
sauimone updating drilldown example. Needs some more thinking	r438	QObject::connect(monthlyCrop,SIGNAL(clicked(QString)),monthlyCrop,SIGNAL(toggleFloatingValues()));
		}
sauimone Drilldown example using stacked barchart.	r449	//! [5]

		seasonSeries->setToolTipEnabled(true);

		// Enable drilldown from season series using right click.
		QObject::connect(seasonSeries,SIGNAL(rightClicked(QBarSet,QString)),drilldownChart,SLOT(handleRightClick(QBarSet,QString)));
sauimone Drilldown example for barcharts continuing. Still some bugs	r430
sauimone Drilldown example using stacked barchart.	r449	// Show season series in initial view
		drilldownChart->changeSeries(seasonSeries);
		drilldownChart->setChartTitle(seasonSeries->title());
sauimone Drilldown example for barcharts continuing. Still some bugs	r430
sauimone Drilldown example using stacked barchart.	r449	// Disable axis, since they don't really apply to bar chart
sauimone Drilldown example for barcharts continuing. Still some bugs	r430	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"