HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Files · src/barchart/qbarchartseries.h

barcharts: added legend to model. added signals for hover events (for tooltip). updated examples

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      #ifndef BARCHARTSERIES_H

      #define BARCHARTSERIES_H

      #include <QList>

      #include <QAbstractItemModel>

      #include "qchartseries.h"

      QTCOMMERCIALCHART_BEGIN_NAMESPACE

      class QBarCategory;

      class QBarSet;

      class BarChartModel;

      // Container for series

      // TODO: derive Stacked and percent bar charts from this?

      class QTCOMMERCIALCHART_EXPORT QBarChartSeries : public QChartSeries

      {

          Q_OBJECT

      public:

          QBarChartSeries(QBarCategory *category, QObject* parent=0);

          virtual QChartSeriesType type() const { return QChartSeries::SeriesTypeBar; }

          void addBarSet(QBarSet *set);               // Takes ownership of set

          void removeBarSet(QBarSet *set);            // Releases ownership, doesn't delete set

          int countSets();

          QBarSet* nextSet(bool getFirst=false);     // Returns first set, if called with true

          QList<QString> legend();  // Returns legend of series (ie. names of all sets in series)

          // Disabled by default. Call these to change behavior.

          void enableFloatingValues(bool enabled=true);

          void enableHoverNames(bool enabled=true);

          // TODO: Functions below this are not part of api and will be moved

          // to private implementation, when we start using it (not part of api)

          int countCategories();

          qreal min();

          qreal max();

          qreal valueAt(int set, int category);

          qreal maxCategorySum();

          BarChartModel& model();

      signals:

          void changed(int index);

          // TODO: these to private implementation.

          void floatingValuesEnabled(bool enabled);

          void hoverNamesEnabled(bool enabled);

      //public Q_SLOTS:

      private:

          BarChartModel* mModel;

      };

      QTCOMMERCIALCHART_END_NAMESPACE

      #endif // BARCHARTSERIES_H

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				#ifndef BARCHARTSERIES_H
				#define BARCHARTSERIES_H

				#include <QList>
				#include <QAbstractItemModel>
				#include "qchartseries.h"

				QTCOMMERCIALCHART_BEGIN_NAMESPACE

				class QBarCategory;
				class QBarSet;
				class BarChartModel;

				// Container for series
				// TODO: derive Stacked and percent bar charts from this?
				class QTCOMMERCIALCHART_EXPORT QBarChartSeries : public QChartSeries
				{
				Q_OBJECT
				public:
				QBarChartSeries(QBarCategory category, QObject parent=0);

				virtual QChartSeriesType type() const { return QChartSeries::SeriesTypeBar; }

				void addBarSet(QBarSet *set); // Takes ownership of set
				void removeBarSet(QBarSet *set); // Releases ownership, doesn't delete set
				int countSets();
				QBarSet* nextSet(bool getFirst=false); // Returns first set, if called with true

				QList<QString> legend(); // Returns legend of series (ie. names of all sets in series)

				// Disabled by default. Call these to change behavior.
				void enableFloatingValues(bool enabled=true);
				void enableHoverNames(bool enabled=true);

				// TODO: Functions below this are not part of api and will be moved
				// to private implementation, when we start using it (not part of api)
				int countCategories();
				qreal min();
				qreal max();
				qreal valueAt(int set, int category);
				qreal maxCategorySum();

				BarChartModel& model();

				signals:
				void changed(int index);

				// TODO: these to private implementation.
				void floatingValuesEnabled(bool enabled);
				void hoverNamesEnabled(bool enabled);


				//public Q_SLOTS:

				private:
				BarChartModel* mModel;

				};

				QTCOMMERCIALCHART_END_NAMESPACE

				#endif // BARCHARTSERIES_H