#ifndef MAPEDITOR_H

#define MAPEDITOR_H

#include <qcanvas.h>

#include <qlineedit.h>

#include <qcursor.h>

#include <qfiledialog.h>

#include <qevent.h>

#include <qprocess.h>

#include <qbuffer.h>

#include "mapcenterobj.h"

#include "misc.h"

class QNetworkOperation;

class QUrlOperator;

class MapEditor : public QCanvasView , public xmlObj {

    Q_OBJECT

public:

    MapEditor(QWidget* parent=0, bool interactive=false, const char* name=0, WFlags f=0);

	~MapEditor();

    QColor color();

    QColor backgroundColor();

    MapCenterObj* getMapCenter();

	QCanvas* getCanvas();

	void adjustCanvasSize();// adjust canvas size to map and scrollview

	bool isRepositionBlocked(); // block while load or undo

private:

	void makeTmpDirs();		// create temporary directories

	void delTmpDirs();		// delete temporary directories

    QString saveToDir(const QString&,const QString &,bool, const QPoint &,LinkableMapObj*);

    void saveState();		// save actual state to backup

    void saveState(LinkableMapObj *);

    void saveState(const QString &, const QString &);

    void saveState(const QString &, LinkableMapObj *);

    void saveState(const SaveMode&, const QString &, LinkableMapObj *, const QString &, LinkableMapObj *);

    void parseAtom(const QString &);	

    void addFloatImage(const QPixmap &img);

  private slots:

    void finishedLineEditNoSave();

    void fetchImage(const QString &img);

    void imageDataFetched(const QByteArray &, QNetworkOperation *);

    void imageDataFinished(QNetworkOperation *);

public:

	bool isDefault();		// false, if map was changed once

    bool isUnsaved();		// save necessary

    bool hasChanged();		// undo possible

	void setChanged();		// called from NoteEditor via LMO

	void closeMap();

	void setFilePath (QString);	

	void setFilePath (QString,QString);	

	QString getFilePath ();	// Full path e.g. "/home/tux/map.xml"

	QString getFileName ();	// e.g. "map.xml"

	QString getMapName ();	// e.g. "map"

	QString getDestPath (); // e.g. "/home/tux/map.vym"

    int load (QString, LoadMode );	// newmap, import/replace selection

public:

    int save(const SaveMode &);	// Save map 

	void setZipped(bool);		// save map zipped

	bool saveZipped();			// 1 if file will be saved zipped

    void print();				// print canvas

private:

    QPixmap getPixmap();

public:

    void exportImage (QString fn);		// export as PNG	

    void exportImage (QString fn, int);	// export in given format

    void exportASCII();

    void exportLaTeX();

    void exportOOPresentation();

    void exportXML(const QString&);		// export to directory

    void clear();		// clear map

    void copy();		// copy branch to clipboard

    void redo();		// redo last action

    void undo();		// undo last action

private:	

    void undoXML(const QString &, const QString &);

    void pasteNoSave();		// paste clipboard to branch

    void cutNoSave();	// cut to clipboard

public:	

    void paste();		// paste clipboard to branch and backup

    void cut();			// cut to clipboard and backup

    void move(const int &,const int&);

    void moveBranchUp();

    void moveBranchDown();

    void editHeading();					// Start editing heading 

private:

	void setHeading(const QString &);	// Just set the heading for selection

	void setURL(const QString &);		// Just set the URL for selection

	void setVymLink(const QString &);	// Set vymLink for selection

public:	

    void addNewBranch(int);			// pos allows to add above/below selection

    void addNewBranchHere();		// insert and make selection its

    void deleteSelection();

	LinkableMapObj* getSelection();	// returns selection

	bool select(const QString &);	// Select 

	void unselect();				// before changing current noteedit

	void reselect();				// after  changing current noteedit

private:	

	void selectNextBranch();		// Increment number of branch

	void selectPrevBranch();		// Decrement number of branch

public:	

    void selectUpperBranch();

    void selectLowerBranch();

    void selectLeftBranch();

    void selectRightBranch();

    void selectFirstBranch();

    void selectLastBranch();

    void setColor(QColor);

    void selectBackgroundColor();

    void setBackgroundColor(QColor);

    QColor pickColor();

    void colorItem();

    void colorBranch();

	void toggleStandardFlag(QString);

	virtual void setViewCenter();			// needed for zooming

    BranchObj* findText(QString,bool);		// Find object

    void findReset();						// Reset Find 

	void openURL();							// open URL in external browser

	void editURL();							// edit the URL

	void editHeading2URL();					// copy heading to URL

	void editBugzilla2URL();				// create URL to Bugzilla

	void editVymLink();						// edit link to another map

	void deleteVymLink();					// delete link to another map

	QString getVymLink();					// return path to map

	void removeBranchHere();				// remove but keep childs

	void removeChilds();					// remove childs

	void editMapInfo();						// dialog to enter author, ...

	void updateActions();					// update e.g. format buttons

	void updateNoteFlag();					// when TextEditor changes

	void setLinkStyle (LinkStyle);			// Set style of link

	LinkStyle getLinkStyle ();				// requested in LMO

	void setLinkColor(QColor);				// default color of links

	void setLinkColorHint();				// color of links

	void setLinkColorHint(LinkColorHint);	// color of links

	LinkColorHint getLinkColorHint();

	QColor getDefLinkColor();

	void setDefXLinkColor(QColor);

	QColor getDefXLinkColor();

	void setDefXLinkWidth (int);

	int getDefXLinkWidth();

	void toggleLinkColorHint();				// after changing linkStyles

    void selectLinkColor();

    void toggleScroll();

    void unScrollAll();

	void loadFloatImage ();

	void saveFloatImage (int);

	void toggleFloatExport();

	void setFrame(const FrameType &);

	void setHideLinkUnselected (bool);

	bool getHideLinkUnselected ();

private:	

    void importDir(BranchObj *,QDir);

public:	

    void importDir();

	void followXLink (int);

	void editXLink (int);

    void testFunction();				// FIXME just testing

protected:

	void ensureSelectionVisible();		

	virtual void updateViewCenter();	// needed for zooming

	virtual void contentsContextMenuEvent ( QContextMenuEvent *e );

    virtual void contentsMousePressEvent(QMouseEvent*);

    virtual void contentsMouseReleaseEvent(QMouseEvent*);

    virtual void contentsMouseDoubleClickEvent(QMouseEvent*);

    virtual void contentsMouseMoveEvent(QMouseEvent*);

    virtual void contentsDragEnterEvent(QDragEnterEvent *event);

    virtual void contentsDropEvent(QDropEvent *event);

private:

    QCanvas* mapCanvas;

    MapCenterObj* mapCenter;

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

	BranchObj *editingBO;		// entering Text into BO

    QLineEdit* lineedit;

    QColor actColor;			// actual color

	QColor defLinkColor;		// default color for links

	QColor defXLinkColor;		// default color for xlinks

	int defXLinkWidth;			// default width for xlinks

	LinkColorHint linkcolorhint;// use heading color or own color

	LinkStyle linkstyle;		// default style for links

    QCursor handOpenCursor;		// cursor while moving canvas view

	QCursor pickColorCursor;	// cursor while picking color 

	bool pickingColor;

	bool drawingLink;			// true while creating a link

	bool copyingObj;			// true while creating a link

	XLinkObj* tmpXLink;

    LinkableMapObj* selection;		// select a LinkableMapObj

    LinkableMapObj* selectionLast;	// last selection 

    MapObj* movingObj;				// moving a MapObj

	MapObj* linkingObj_src;			// part of a link

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

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

    QPoint movingCont_start;		// inital pos of moving Content or

    QPoint movingVec;				// how far has Content moved

	QPoint movingCenter;			// used when zooming

    QPrinter* printer;				// Printing

    bool mapDefault;				// Flag if map is untouched

    bool mapChanged;				// Flag if undo is possible

	bool mapUnsaved;				// Flag if map should be saved

	bool printFrame;			// Print frame around map

	bool printFooter;			// Print footer below map

	bool zipped;				// should map be zipped

static	int mapNum;				// unique number for Editor

	QString fileName;			// short name of file (for tab)

	QString filePath;			// path to file which will be saved

	QString fileDir;			// dir where file is saved

	QString destPath;			// path to .vym file (needed for vymlinks)

	QString mapName;			// fileName without ".vym"

	QString lastImageDir;		// save dir for adding images

	bool isInteractive;			// non interactive don't need tmpdirs

	QString tmpMapDir;			// tmp directory with data for undo/redo

	int undosTotal;				// total number of undos 

	int undoNum;				// current number of bakMapDir to be used 

	int undosAvail;				// how many actions can currently be undone

	bool blockReposition;		// block while load or undo

	bool blockSaveState;		// block while load or undo

	BranchObj* itFind;			// next object in find process

	bool EOFind;				// true, if search failed

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

    void resizeEvent( QResizeEvent * );

  QUrlOperator *urlOperator;

  QDataStream *imageData;

  QBuffer *imageBuffer;

};

#endif