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

updated barchart examples

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        sauimone
    
model prototyping for bar chart

              r159
            
      #ifndef BARCHARTMODEL_H

      #define BARCHARTMODEL_H

      #include <QObject>

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      #include "qchartglobal.h"

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      QTCOMMERCIALCHART_BEGIN_NAMESPACE

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      // Model for bar chart. Internal class.

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      // TODO: Implement as QAbstractItemModel?

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      class QBarSet;

      class QBarCategory;

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      class BarChartModel : public QObject //, public QAbstractItemModel

      {

          Q_OBJECT

      public:

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

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          ~BarChartModel();

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          // TODO: remove these after add and remove QBarSet works.

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          int addData(QList<qreal> data);

          void removeData(int id);

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          void addBarSet(QBarSet &set);

          void removeBarSet(QBarSet &set);

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model delegate for bar series. updated examples

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          int countRows();            // Number of series in model

          int countColumns();         // Maximum number of items in series

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

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

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

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          qreal valueAt(int series, int item);

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          qreal columnSum(int column);

          qreal maxColumnSum();   // returns maximum sum of items in all columns.

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      signals:

          void modelUpdated();

      public slots:

      private:

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model delegate for bar series. updated examples

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          // Little helper class.

          class DataContainer {

              public:

                  DataContainer(QList<qreal> data, int id) : mId(id), mData(data) {}

                  int countColumns() { return mData.count(); }

                  qreal valueAt(int item) { return mData.at(item); }

                  int mId; // TODO: Is this needed?

              private:

                  QList<qreal> mData;

          };

          // Owned. N series. each has a list of values.

          QList<DataContainer*> mDataModel;

          int mRunningId;

          int mMaxColumns;    // longest series in datamodel

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          QBarCategory& mCategory;

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      };

      QTCOMMERCIALCHART_END_NAMESPACE

      #endif // BARCHARTMODEL_H

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sauimone model prototyping for bar chart	r159	#ifndef BARCHARTMODEL_H
		#define BARCHARTMODEL_H

		#include <QObject>
sauimone model delegate for bar series. updated examples	r161	#include "qchartglobal.h"
sauimone model prototyping for bar chart	r159
		QTCOMMERCIALCHART_BEGIN_NAMESPACE

sauimone model delegate for bar series. updated examples	r161	// Model for bar chart. Internal class.
sauimone model prototyping for bar chart	r159	// TODO: Implement as QAbstractItemModel?

sauimone proof of concept implementation for barset and barcategory	r169	class QBarSet;
		class QBarCategory;

sauimone model prototyping for bar chart	r159	class BarChartModel : public QObject //, public QAbstractItemModel
		{
		Q_OBJECT
		public:
sauimone proof of concept implementation for barset and barcategory	r169	explicit BarChartModel(QBarCategory &category, QObject *parent = 0);
sauimone model delegate for bar series. updated examples	r161	~BarChartModel();
sauimone proof of concept implementation for barset and barcategory	r169
		// TODO: remove these after add and remove QBarSet works.
sauimone model delegate for bar series. updated examples	r161	int addData(QList<qreal> data);
		void removeData(int id);
sauimone model prototyping for bar chart	r159
sauimone proof of concept implementation for barset and barcategory	r169	void addBarSet(QBarSet &set);
		void removeBarSet(QBarSet &set);

sauimone model delegate for bar series. updated examples	r161	int countRows(); // Number of series in model
		int countColumns(); // Maximum number of items in series
sauimone model prototyping for bar chart	r159	int countTotalItems(); // Total items in all series. Includes empty items.

sauimone added labels to series, intergrated with test app. minor hack to test app	r167	qreal max(); // Maximum value of all series
		qreal min(); // Minimum value of all series
sauimone model prototyping for bar chart	r159	qreal valueAt(int series, int item);

sauimone model delegate for bar series. updated examples	r161	qreal columnSum(int column);
		qreal maxColumnSum(); // returns maximum sum of items in all columns.

sauimone model prototyping for bar chart	r159	signals:
		void modelUpdated();

		public slots:

		private:

sauimone model delegate for bar series. updated examples	r161	// Little helper class.
		class DataContainer {
		public:
		DataContainer(QList<qreal> data, int id) : mId(id), mData(data) {}
		int countColumns() { return mData.count(); }
		qreal valueAt(int item) { return mData.at(item); }

		int mId; // TODO: Is this needed?
		private:
		QList<qreal> mData;
		};

		// Owned. N series. each has a list of values.
		QList<DataContainer*> mDataModel;
		int mRunningId;
		int mMaxColumns; // longest series in datamodel
sauimone proof of concept implementation for barset and barcategory	r169	QBarCategory& mCategory;
sauimone model prototyping for bar chart	r159
		};

		QTCOMMERCIALCHART_END_NAMESPACE

		#endif // BARCHARTMODEL_H