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#ifndef DIVEPROFILEITEM_H
#define DIVEPROFILEITEM_H

#include <QObject>
#include <QGraphicsPolygonItem>
#include <QModelIndex>

#include "divelineitem.h"

/* This is the Profile Item, it should be used for quite a lot of things
 on the profile view. The usage should be pretty simple:

 DiveProfileItem *profile = new DiveProfileItem();
 profile->setVerticalAxis( profileYAxis );
 profile->setHorizontalAxis( timeAxis );
 profile->setModel( DiveDataModel );
 profile->setHorizontalDataColumn( DiveDataModel::TIME );
 profile->setVerticalDataColumn( DiveDataModel::DEPTH );
 scene()->addItem(profile);

 This is a generically item and should be used as a base for others, I think...
*/

class ProfileWidget2;
class DivePlotDataModel;
class DiveTextItem;
class DiveCartesianAxis;
class QAbstractTableModel;
struct plot_data;

class AbstractProfilePolygonItem : public QObject, public QGraphicsPolygonItem {
	Q_OBJECT
	Q_PROPERTY(QPointF pos WRITE setPos READ pos)
	Q_PROPERTY(qreal x WRITE setX READ x)
	Q_PROPERTY(qreal y WRITE setY READ y)
public:
	AbstractProfilePolygonItem();
	void setVerticalAxis(DiveCartesianAxis *vertical);
	void setHorizontalAxis(DiveCartesianAxis *horizontal);
	void setModel(DivePlotDataModel *model);
	void setHorizontalDataColumn(int column);
	void setVerticalDataColumn(int column);
	virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0) = 0;
	virtual void clear()
	{
	}
public
slots:
	virtual void settingsChanged();
	virtual void modelDataChanged(const QModelIndex &topLeft = QModelIndex(), const QModelIndex &bottomRight = QModelIndex());
	virtual void modelDataRemoved(const QModelIndex &parent, int from, int to);
	void setVisible(bool visible);

protected:
	/* when the model emits a 'datachanged' signal, this method below should be used to check if the
	 * modified data affects this particular item ( for example, when setting the '3m increment'
	 * the data for Ceiling and tissues will be changed, and only those. so, the topLeft will be the CEILING
	 * column and the bottomRight will have the TISSUE_16 column. this method takes the vDataColumn and hDataColumn
	 * into consideration when returning 'true' for "yes, continue the calculation', and 'false' for
	 * 'do not recalculate, we already have the right data.
	 */
	bool shouldCalculateStuff(const QModelIndex &topLeft, const QModelIndex &bottomRight);

	DiveCartesianAxis *hAxis;
	DiveCartesianAxis *vAxis;
	DivePlotDataModel *dataModel;
	int hDataColumn;
	int vDataColumn;
	QList<DiveTextItem *> texts;
};

class DiveProfileItem : public AbstractProfilePolygonItem {
	Q_OBJECT

public:
	DiveProfileItem();
	virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
	virtual void modelDataChanged(const QModelIndex &topLeft = QModelIndex(), const QModelIndex &bottomRight = QModelIndex());
	void settingsToggled(bool toggled);
	virtual void settingsChanged();
	void plot_depth_sample(struct plot_data *entry, QFlags<Qt::AlignmentFlag> flags, const QColor &color);
	int maxCeiling(int row);

private:
	unsigned int show_reported_ceiling;
	unsigned int reported_ceiling_in_red;
	QColor profileColor;
};

class DiveMeanDepthItem : public AbstractProfilePolygonItem {
	Q_OBJECT
public:
	DiveMeanDepthItem();
	virtual void modelDataChanged(const QModelIndex &topLeft = QModelIndex(), const QModelIndex &bottomRight = QModelIndex());
	virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);

private:
	void createTextItem();
	double lastRunningSum;
	QString visibilityKey;
};

class DiveTemperatureItem : public AbstractProfilePolygonItem {
	Q_OBJECT
public:
	DiveTemperatureItem();
	virtual void modelDataChanged(const QModelIndex &topLeft = QModelIndex(), const QModelIndex &bottomRight = QModelIndex());
	virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);

private:
	void createTextItem(int seconds, int mkelvin);
};

class DiveHeartrateItem : public AbstractProfilePolygonItem {
	Q_OBJECT
public:
	DiveHeartrateItem();
	virtual void modelDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
	virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);

private:
	void createTextItem(int seconds, int hr);
	QString visibilityKey;
};

class DivePercentageItem : public AbstractProfilePolygonItem {
	Q_OBJECT
public:
	DivePercentageItem(int i);
	virtual void modelDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
	virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);

private:
	QString visibilityKey;
	int tissueIndex;
	QColor ColorScale(double value, int inert);

};

class DiveAmbPressureItem : public AbstractProfilePolygonItem {
	Q_OBJECT
public:
	DiveAmbPressureItem();
	virtual void modelDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
	virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);

private:
	QString visibilityKey;
};

class DiveGFLineItem : public AbstractProfilePolygonItem {
	Q_OBJECT
public:
	DiveGFLineItem();
	virtual void modelDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);
	virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);

private:
	QString visibilityKey;
};

class DiveGasPressureItem : public AbstractProfilePolygonItem {
	Q_OBJECT

public:
	virtual void modelDataChanged(const QModelIndex &topLeft = QModelIndex(), const QModelIndex &bottomRight = QModelIndex());
	virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);

private:
	void plotPressureValue(int mbar, int sec, QFlags<Qt::AlignmentFlag> align, double offset);
	void plotGasValue(int mbar, int sec, struct gasmix gasmix, QFlags<Qt::AlignmentFlag> align, double offset);
	QVector<QPolygonF> polygons;
};

class DiveCalculatedCeiling : public AbstractProfilePolygonItem {
	Q_OBJECT

public:
	DiveCalculatedCeiling(ProfileWidget2 *profileWidget);
	virtual void modelDataChanged(const QModelIndex &topLeft = QModelIndex(), const QModelIndex &bottomRight = QModelIndex());
	virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
	virtual void settingsChanged();

public
slots:
	void recalc();

protected:
	ProfileWidget2 *profileWidget;

private:
	bool is3mIncrement;
};

class DiveReportedCeiling : public AbstractProfilePolygonItem {
	Q_OBJECT

public:
	DiveReportedCeiling();
	virtual void modelDataChanged(const QModelIndex &topLeft = QModelIndex(), const QModelIndex &bottomRight = QModelIndex());
	virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
};

class DiveCalculatedTissue : public DiveCalculatedCeiling {
	Q_OBJECT
public:
	DiveCalculatedTissue(ProfileWidget2 *profileWidget);
	void setVisible(bool visible);
	virtual void settingsChanged();
};

class PartialPressureGasItem : public AbstractProfilePolygonItem {
	Q_OBJECT
public:
	PartialPressureGasItem();
	virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
	virtual void modelDataChanged(const QModelIndex &topLeft = QModelIndex(), const QModelIndex &bottomRight = QModelIndex());
	void setThreshouldSettingsKey(double *prefPointer);
	void setVisibilitySettingsKey(const QString &setVisibilitySettingsKey);
	void setColors(const QColor &normalColor, const QColor &alertColor);

private:
	QVector<QPolygonF> alertPolygons;
	double *thresholdPtr;
	QString visibilityKey;
	QColor normalColor;
	QColor alertColor;
};
#endif // DIVEPROFILEITEM_H