#ifndef TREEITEM_H

#define TREEITEM_H

#include <QList>

#include <QVariant>

#include "noteobj.h"

#include "xmlobj.h"

class LinkableMapObj;

class BranchObj;

class BranchItem;

class VymModel;

class TreeItem:public XMLObj

{

public:

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

	enum HideTmpMode {HideNone, HideExport};

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

    ~TreeItem();

	QString saveToDir (const QString &tmpdir,const QString &prefix, const QPointF& offset);

	// General housekeeping

	void setModel (VymModel *m);

	VymModel* getModel();

    void appendChild (TreeItem *child);

	void removeChild (int row);

    TreeItem *child(int row);

    int childCount() const;

    int childNumber() const;

    int columnCount() const;

	int branchCount() const;

	int imageCount() const;

	int xlinkCount() const;

    int row() const;

	int column() const;

	int depth() ;

    TreeItem *parent();

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

	    e.g. first branch has number 0           */

	int num();		

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

	// Accessing data

    QVariant data(int column) const;

	void setHeading (const QString s);

	QString getHeading() const;

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

protected:

	NoteObj note;

public:	

	void setNote(const QString s);

	QString getNote();

	virtual void setNoteObj(const NoteObj &, bool updateNoteEditor=true);

	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:

	Type type;

public:	

	void setType (const Type t);

	Type getType ();

	bool isBranchLikeType() const;

	QString getTypeName ();

	// Navigation and selection

	TreeItem* getChildNum(const int &n);

	BranchItem* getFirstBranch();

	BranchItem* getLastBranch();

	BranchItem* getBranchNum(const int &n);

	BranchObj* getBranchObjNum(const int &n);

	void setLastSelectedBranch();

	TreeItem* getLastSelectedBranch();

	virtual void setHideTmp (HideTmpMode);

	virtual bool hasHiddenExportParent ();

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

	virtual bool hideInExport();

	virtual bool isHidden ();		

	// Relation to map objects in graphicsscene	// FIXME-3 should be obsolete

	LinkableMapObj* getLMO();

	void setLMO (LinkableMapObj*);

protected:

	VymModel *model;

    QList<TreeItem*> childItems;

    QList<QVariant> itemData;

    TreeItem *parentItem;

	LinkableMapObj *lmo;

	int branchOffset;

	int branchCounter;

	int lastSelectedBranchNum;

	bool hideExport;//! Hide this item in export

	bool hidden;	//! Hidden in export if true

};

#endif