#ifndef MAPEDITOR_H

#define MAPEDITOR_H

#include <QGraphicsView>

#include <QItemSelectionModel>

#include <QPropertyAnimation>	

#include "attribute.h"

#include "xlink.h"

#include "ornamentedobj.h"

#include "settings.h"

#include "vymmodel.h"

class XLinkItem;

/*! \brief Main widget in vym to display and edit a map */

class MapEditor : public QGraphicsView {	

    Q_OBJECT

	Q_PROPERTY(qreal zoomFactor READ getZoomFactor WRITE setZoomFactor)

	Q_PROPERTY(QPointF scrollBarPos READ getScrollBarPos WRITE setScrollBarPos)

public:

    MapEditor(VymModel *vm);

	~MapEditor();

	VymModel* getModel();

	QGraphicsScene * getScene();

protected:

	QPointF scrollBarPos;

	QPointF scrollBarPosTarget;

	QPropertyAnimation scrollBarPosAnimation;

public:

	void scrollTo (const QModelIndex &index);

	void setScrollBarPosTarget (const QRectF &rect);	//!  ensureVisible of rect

	QPointF getScrollBarPosTarget ();

	void setScrollBarPos (const QPointF &p);

	QPointF getScrollBarPos();

protected:

	qreal zoomFactor;

	qreal zoomFactorTarget;

	QPropertyAnimation zoomAnimation;

public:

	void setZoomFactorTarget (const qreal &zf);

	qreal getZoomFactorTarget();

	void setZoomFactor (const qreal &zf);

	qreal getZoomFactor();

public:

    void print();				//!< Print the map

	QRectF getTotalBBox();		//!< Bounding box of all items in map

	QImage getImage ();			//!< Get a pixmap of the map

	void setAntiAlias (bool);	//!< Set or unset antialiasing

	void setSmoothPixmap(bool); //!< Set or unset smoothing of pixmaps

public slots:	

	void autoLayout();			//!< Auto layout of map by using collision detection

public:

	TreeItem *findMapItem (QPointF p,TreeItem *exclude);	//! find item in map at position p. Ignore item exclude 

	AttributeTable* attributeTable();	// FIXME-3

    void testFunction1();				// just testing new stuff

    void testFunction2();				// just testing new stuff

protected:	

	BranchItem* getBranchDirectAbove(BranchItem *bi);	//!  get branch direct above bi (in TreeView) 

	BranchItem* getBranchAbove(BranchItem *bi);			//! get branch above bi (in TreeView) 

	BranchItem* getBranchDirectBelow(BranchItem *bi);	//!  bet branch direct below bi (in TreeView)

	BranchItem* getBranchBelow(BranchItem *bi);			//! bet branch below bi (in TreeView)

	BranchItem* getLeftBranch(BranchItem *bi);			//! bet branch left of bi (in TreeView)

	BranchItem* getRightBranch(BranchItem *bi);			//! bet branch right of bi (in TreeView)

public slots:

	void cursorUp();

	void cursorDown();

	void cursorLeft();

	void cursorRight();

	void cursorFirst();

	void cursorLast();

	void editHeading();

	void editHeadingFinished();

private:

	bool editingHeading;

	QLineEdit *lineEdit;

protected:

	virtual void contextMenuEvent ( QContextMenuEvent *e );

    virtual void keyPressEvent(QKeyEvent*);

    virtual void keyReleaseEvent(QKeyEvent*);

    virtual void mousePressEvent(QMouseEvent*);

    virtual void mouseMoveEvent(QMouseEvent*);

    virtual void mouseReleaseEvent(QMouseEvent*);

    virtual void mouseDoubleClickEvent(QMouseEvent*);

    virtual void wheelEvent(QWheelEvent*);

    virtual void resizeEvent( QResizeEvent * );

	void dragEnterEvent (QDragEnterEvent *);

	void dragMoveEvent (QDragMoveEvent *);

	void dragLeaveEvent (QDragLeaveEvent *);

	void dropEvent (QDropEvent *);

private:

	QGraphicsScene *mapScene;

	VymModel *model;			//!< Vym Map, includding several mapCenters

	bool adjustCanvasRequested;	// collect requests until end of user event

	BranchObj *editingBO;		// entering Text into BO

    QCursor HandOpenCursor;		// cursor while moving canvas view

	QCursor PickColorCursor;	// cursor while picking color 

	QCursor CopyCursor;			// cursor while picking color 

	QCursor XLinkCursor;		// cursor while picking color 

	bool pickingColor;

	bool drawingLink;			// true while creating a link

	bool copyingObj;			// true while modModeCopy

	bool objectMoved;			// true if object was not clicked, but moved with mouse

	Link* tmpLink;

	MapObj* movingObj;				// moving a MapObj

    QPointF movingObj_orgPos;		// org. pos of mouse before move

    QPointF movingObj_orgRelPos;	// org. relative pos of mouse before move

    QPointF movingObj_start;		// rel. pos of mouse to absPos 

    QPointF movingCont_start;		// inital pos of moving Content or

    QPointF movingVec;				// how far has Content moved

	QPointF contextMenuPos;			// position where context event was triggered

    QPrinter* printer;				// Printing

	AttributeTable *attrTable;

	bool printFrame;			// Print frame around map

	bool printFooter;			// Print footer below map

	QPoint exportOffset;		// set before export, used in save

//////////// Selection related

signals:

	void selectionChanged(const QItemSelection &, const QItemSelection &);

private:	

	QList <QGraphicsRectItem*> selboxList;

	QColor selectionColor;

public slots:

	void updateSelection(QItemSelection ,QItemSelection); // update selection

	void updateData (const QModelIndex&); // update data

public:

	void setSelectionColor (QColor c);

	QColor getSelectionColor ();

};

#endif