#ifndef BRANCHOBJ_H

#define BRANCHOBJ_H

#include "floatimageobj.h"

#include "linkablemapobj.h"

#include "ornamentedobj.h"

#include "xlinkobj.h"

class BranchObjPtrList : public QPtrList<BranchObj>

{

	virtual int compareItems (QPtrCollection::Item i, QPtrCollection::Item j);

};

enum BranchModification {NewBranch, MovedBranch};

/////////////////////////////////////////////////////////////////////////////

class BranchObj:public OrnamentedObj {

public:

    BranchObj ();

    BranchObj (QCanvas*);

    BranchObj (QCanvas*, LinkableMapObj* parent);

    ~BranchObj ();

	bool operator< ( const BranchObj & );

	bool operator== ( const BranchObj & );

    virtual void init ();

    virtual void copy (BranchObj*);

    void clear();

	virtual int getNum();				// return number of this in parent

	virtual int getNum(BranchObj*);		// return number of this in parent

	virtual int getFloatImageNum(FloatImageObj*);		

	virtual int countBranches();		

	virtual int countFloatImages();		

	virtual int countXLinks();		

    virtual void setParObjTmp (LinkableMapObj*,QPoint,int);// Only for moving Obj around

	virtual void unsetParObjTmp();			// reuse original ParObj

	virtual void unScroll();				

	virtual void toggleScroll();			// scroll or unscroll

	virtual bool isScrolled();				// returns scroll state

	virtual bool hasScrolledParent(BranchObj*);	// true, if any of the parents is scrolled

	virtual void tmpUnscroll();				// unscroll scrolled parents temporary e.g. during "find" process

	virtual void resetTmpUnscroll();		// scroll all tmp scrolled parents again e.g. when unselecting

	virtual void setVisibility(bool,int);	// set visibility

    virtual void setVisibility(bool);	    // set vis. for w

	virtual void setLinkColor();			// set the color of link

	virtual void setColor(QColor,bool);		// set the color of heading

	virtual QColor getColor();				// get color of heading

	BranchObj* first ();				// set Iterator to first LMO

	BranchObj* next ();					// find next LMO after given one

	BranchObj* getLastIterator();		// to interrupt and resume next iteration

	void setLastIterator (BranchObj*);	// needed by next() 

    virtual void move (double x,double y);

    virtual void move (QPoint);

    virtual void moveBy (double x,double y);

    virtual void moveBy (QPoint);

    virtual void positionBBox();

    virtual void calcBBoxSize();

    virtual LinkableMapObj* findMapObj(QPoint,LinkableMapObj*);	// find MapObj 

    virtual void setHeading (QString);

    virtual void setURL (QString);

    virtual QString getURL ();

    virtual void setVymLink (QString);

    virtual QString getVymLink ();

	virtual QString saveToDir (const QString&,const QString&, const QPoint&);// Save data recursivly to tempdir

	virtual void addXLink (XLinkObj*);

	virtual void removeXLinkRef (XLinkObj*);// Remove ref in list

	virtual void deleteXLink (XLinkObj*);	// remove references and delete XLinkObj 

	virtual void deleteXLinkAt (int);		// remove references and delete XLinkObj 

	virtual XLinkObj* XLinkAt (int);		// return reference of XLinkObj 

	virtual int countXLink ();

	virtual BranchObj* XLinkTargetAt (int);

	virtual LinkableMapObj* addFloatImage();

	virtual LinkableMapObj* addFloatImage(FloatImageObj*);

	virtual void removeFloatImage(FloatImageObj*);

    virtual FloatImageObj* getFirstFloatImage();

    virtual FloatImageObj* getLastFloatImage();

	virtual FloatImageObj* getFloatImageNum(const uint &);

protected:	

	virtual void savePosInAngle();					// write pos in angle for resorting			

	virtual void setDefAttr (BranchModification);	// set default attributes (font, size, ...)

public:	

    virtual BranchObj* addBranch();

    virtual BranchObj* addBranch(BranchObj*);		// makes deep copy of BranchObj

    virtual BranchObj* addBranchPtr(BranchObj*);	// just adds pointer

    virtual BranchObj* insertBranch(int);

    virtual BranchObj* insertBranch(BranchObj*,int);

    virtual BranchObj* insertBranchPtr (BranchObj*,int);

    virtual void removeBranchHere(BranchObj*);  

    virtual void removeChilds();  

    virtual void removeBranch(BranchObj*);  

    virtual void removeBranchPtr (BranchObj*);  

    virtual void setLastSelectedBranch(BranchObj*);

    virtual BranchObj* getLastSelectedBranch();

    virtual BranchObj* getFirstBranch();

    virtual BranchObj* getLastBranch();

	virtual BranchObj* getBranchNum(const uint &);

    virtual BranchObj* moveBranchUp(BranchObj*);

    virtual BranchObj* moveBranchDown(BranchObj*);

    virtual BranchObj* moveBranchTo (BranchObj*, int);

    virtual void alignRelativeTo(const QPoint );

	virtual void reposition();

	virtual QRect getTotalBBox();			// return BBox including childs			

	virtual QRect getBBoxSizeWithChilds();	// return size of BBox including childs  

	virtual void calcBBoxSizeWithChilds();	// calc size of  BBox including childs recursivly

    virtual void select();

    virtual void unselect();

	virtual QString getSelectString();

protected:

	static BranchObj* itLast;		// iterator for first(), next()

    BranchObjPtrList branch;		// all child branches

	QPtrList<FloatImageObj> floatimage;	// child images

	QPtrList<XLinkObj> xlink;		// xlinks to other branches

public:	

	float angle;					// used in mainbranch to reorder mainbranches

protected:	

    int lastSelectedBranch;			// for going deeper into tree

	bool scrolled;					// true if all childs are scrolled and thus invisible

	bool tmpUnscrolled;				// can only be true (temporary) for a scrolled subtree

	QString url;					// url to external doc

	QString vymLink;				// path to another map

};

#endif