#ifndef TREEITEM_H

 #define TREEITEM_H

 #include <QColor>

 #include <QList>

 #include <QVariant>

 #include "flagrow.h"

 #include "noteobj.h"

 #include "xmlobj.h"

 class AttributeItem;

 class BranchObj;

 class BranchItem;

 class FloatImageObj;

 class ImageItem;

 class LinkableMapObj;

 class VymModel;

 class XLinkItem;

 class XLinkObj;

 class TreeItem:public XMLObj

 {

 public:

 	enum Type {Undefined,MapCenter,Branch,Image,Attribute,XLink};

 	enum HideTmpMode {HideNone, HideExport};

     TreeItem();

     TreeItem(const QList<QVariant> &data, TreeItem *parent = 0);

     virtual ~TreeItem();

 	void init();

 	// General housekeeping

 	virtual void setModel (VymModel *m);

 	virtual VymModel* getModel();

 	/*! Return number of item, as it would be after it would have been appended.

 	    This is used to notify view about layout changes before model is modified. */

 	virtual int getRowNumAppend (TreeItem *child);

     virtual void appendChild (TreeItem *child);

 	virtual void removeChild (int row);

     virtual TreeItem *child(int row);

     virtual int childCount() const;

     virtual int childNumber() const;

     virtual int columnCount() const;

 	virtual int branchCount() const;

 	virtual int imageCount() const;

 	virtual int xlinkCount() const;

 	virtual int attributeCount() const;

     virtual int row() const;

 	virtual int depth() ;

     virtual TreeItem *parent();

 	/*! Return number of item in parent by type, 

 	    e.g. first branch has number 0           */

 	virtual int childNum();				//! Return number of item in list of all children

 	virtual int num();					//! Return number of item by type

 	virtual int num (TreeItem *item);	//! Return number of item by type

 protected:

 	Type type;

 public:	

 	virtual void setType (const Type t);

 	virtual Type getType ();

 	virtual bool isBranchLikeType() const;

 	virtual QString getTypeName ();

 // Accessing data

     virtual QVariant data(int column) const;

 protected:

 	QColor headingColor;

 public:	

 	virtual void setHeading (const QString s);

 	virtual QString getHeading() const;

 	virtual std::string getHeadingStd() const;	//! convenience function used for debugging

 	virtual void setHeadingColor(QColor color);	//! Set color of heading. In BranchItem overloaded to update QGraphicsView

 	virtual QColor getHeadingColor();			//! Returns color of heading

 protected:

 	QString url;

 public:

 	void setURL (const QString &url);			//! Set URL

 	QString getURL ();							//! Get URL

 protected:

 	QString vymLink;

 public:

 	void setVymLink (const QString &url);			//! Set URL

 	QString getVymLink ();							//! Get URL

 protected:

 	NoteObj note;

 public:	

 	virtual void setNote(const QString &s);

 	virtual void clearNote();

 	virtual QString getNote();

 	virtual bool hasEmptyNote();

 	virtual void setNoteObj(const NoteObj &); //FIXME-3 setNoteObj is called for every select or so???

 	virtual NoteObj getNoteObj();			

 	virtual QString getNoteASCII(const QString &indent, const int &width); // returns note	(ASCII)

     virtual QString getNoteASCII();			// returns note	(ASCII)

     virtual QString getNoteOpenDoc();		// returns note	(OpenDoc)

 protected:

 	FlagRow standardFlags;

 	FlagRow systemFlags;

 public:	

 	virtual void activateStandardFlag(const QString &flag);

 	virtual void deactivateStandardFlag(const QString &flag);

 	virtual void deactivateAllStandardFlags();

 	/*! \brief Toggle a Flag 

 	    If master is not NULL,, only one Flag from FlagRow master may 

 		be active simultanously, the others get deactivated.

 	*/	

 	virtual void toggleStandardFlag(const QString &flag, FlagRow *master=NULL);

 	virtual bool isActiveStandardFlag (const QString &flag);

 	virtual QStringList activeStandardFlagNames();

 	virtual FlagRow* getStandardFlagRow ();

 	virtual QStringList activeSystemFlagNames();

 	virtual bool canMoveDown();

 	virtual bool canMoveUp();

 protected:

 	QString objID;					//! id set during load/save currently used for xLinks

 public:

 	virtual void setID (const QString &s);

 	virtual QString getID ();

 	// Navigation and selection

 	virtual TreeItem* getChildNum(const int &n);

 	virtual BranchItem* getFirstBranch();

 	virtual BranchItem* getLastBranch();

 	/*! Get next branch after current branch. Return NULL if there is no

 	    next branch */

 	virtual BranchItem* getNextBranch(BranchItem* currentBranch);

 	virtual BranchItem* getBranchNum(const int &n);

 	virtual BranchObj* getBranchObjNum(const int &n);

 	virtual ImageItem* getImageNum(const int &n);

 	virtual FloatImageObj* getImageObjNum(const int &n);

 	virtual AttributeItem* getAttributeNum(const int &n);

 	virtual XLinkItem* getXLinkNum(const int &n);

 	virtual XLinkObj* getXLinkObjNum(const int &n);

 protected:

 	bool hideExport;						//! Hide this item in export

 	bool hidden;							//! Hidden in export if true

 public:

 	virtual void setHideTmp (HideTmpMode);

 	virtual bool hasHiddenExportParent ();

 	virtual void setHideInExport(bool);		// set export of object (and children)

 	virtual bool hideInExport();

 	virtual bool isHidden ();		

 	virtual void updateVisibility();		//! Sets visibility in LinkableMapObj, if existing

 	virtual QString getGeneralAttr();

 protected:

 	VymModel *model;

     QList<TreeItem*> childItems;

     QList<QVariant> itemData;

     TreeItem *parentItem;

 	/*!  Set rootItem (does not change, needed for quick check 

 	     if some branch is mapCenter */

 	TreeItem *rootItem;

 	int branchOffset;

 	int branchCounter;

 	int imageOffset;

 	int imageCounter;

 	int attributeOffset;

 	int attributeCounter;

 	int xlinkOffset;

 	int xlinkCounter;

 };

 #endif