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

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

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      #ifndef BARCHARTMODEL_H

      #define BARCHARTMODEL_H

      #include <QObject>

      #include "qchartglobal.h"

      QTCOMMERCIALCHART_BEGIN_NAMESPACE

      // Model for bar chart. Internal class.

      // TODO: Implement as QAbstractItemModel?

      class QBarSet;

      class QBarCategory;

      class BarChartModel : public QObject //, public QAbstractItemModel

      {

          Q_OBJECT

      public:

          explicit BarChartModel(QBarCategory *category, QObject *parent = 0);

          ~BarChartModel();

          QBarCategory& category();

          void addBarSet(QBarSet *set);

          void removeBarSet(QBarSet *set);

          QBarSet* nextSet(bool getFirst);

          QBarSet *setAt(int index);

          QList<QString> legend();

          int countSets();            // Number of sets in model

          int countCategories();      // Number of categories

          int countTotalItems();      // Total items in all sets. Includes empty items.

          qreal max();                // Maximum value of all sets

          qreal min();                // Minimum value of all sets

          qreal valueAt(int set, int category);

          qreal percentageAt(int set, int category);

          qreal categorySum(int category);

          qreal maxCategorySum();     // returns maximum sum of sets in all categories.

          QString label(int category);

      signals:

          void modelUpdated();

      public slots:

      private:

          QList<QBarSet*> mDataModel;

          QBarCategory* mCategory;    // Owned

          int mCurrentSet;

      };

      QTCOMMERCIALCHART_END_NAMESPACE

      #endif // BARCHARTMODEL_H

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				#ifndef BARCHARTMODEL_H
				#define BARCHARTMODEL_H

				#include <QObject>
				#include "qchartglobal.h"

				QTCOMMERCIALCHART_BEGIN_NAMESPACE

				// Model for bar chart. Internal class.
				// TODO: Implement as QAbstractItemModel?

				class QBarSet;
				class QBarCategory;

				class BarChartModel : public QObject //, public QAbstractItemModel
				{
				Q_OBJECT
				public:
				explicit BarChartModel(QBarCategory category, QObject parent = 0);
				~BarChartModel();

				QBarCategory& category();
				void addBarSet(QBarSet *set);
				void removeBarSet(QBarSet *set);
				QBarSet* nextSet(bool getFirst);
				QBarSet *setAt(int index);
				QList<QString> legend();

				int countSets(); // Number of sets in model
				int countCategories(); // Number of categories
				int countTotalItems(); // Total items in all sets. Includes empty items.

				qreal max(); // Maximum value of all sets
				qreal min(); // Minimum value of all sets
				qreal valueAt(int set, int category);
				qreal percentageAt(int set, int category);

				qreal categorySum(int category);
				qreal maxCategorySum(); // returns maximum sum of sets in all categories.

				QString label(int category);

				signals:
				void modelUpdated();

				public slots:

				private:

				QList<QBarSet*> mDataModel;
				QBarCategory* mCategory; // Owned

				int mCurrentSet;

				};

				QTCOMMERCIALCHART_END_NAMESPACE

				#endif // BARCHARTMODEL_H