#ifndef MAPEDITOR_H

 #define MAPEDITOR_H

 #include <QGraphicsView>

 #include "mapcenterobj.h"

 #include "file.h"

 #include "misc.h"

 #include "parser.h"

 #include "ornamentedobj.h"

 #include "selection.h"

 #include "settings.h"

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

 class MapEditor : public QGraphicsView, public xmlObj {

     Q_OBJECT

 public:

     /*! \brief State of the mapeditor 

 		While a heading is edited, the state has to change, so

 		that e.g. no other object might get selected. This is done

 		in Main by calling setStateEditHeading

 	*/

 	enum State {

 		Idle,			//!< Idle, waiting for user event

 		EditHeading		//!< Editing heading (dont't select another branch now)

 	};

     MapEditor(QWidget* parent=0);

 	~MapEditor();

     MapCenterObj* getMapCenter();		//!< Return center of map

 	QGraphicsScene * getScene();

 	State getState();					//!< Return State of MapEditor

 	void setStateEditHeading (bool);	//!< If set to true, State will change to EditHeading

 	bool isRepositionBlocked(); //!< While load or undo there is no need to update graphicsview

 	bool isSaveStateBlocked();			//!< block while undo/redo or while running scripts

 	void setSaveStateBlocked(bool);		//!< block saving the undo/redo state

 	bool isSelectBlocked();		//!< true, if no change of selection is possible, e.g. while editing the heading of abranch

 protected:

 	/*! \brief Get name of object

 	  Returns heading of a branch or name of an object for use in comment

 	  of undo/redo history

 	*/ 

 	QString getName(const LinkableMapObj*);	// Get e.g. heading or filename

 	void makeTmpDirs();		// create temporary directories

 	/*! This function saves all information of the map to disc.

 	    saveToDir also calls the functions for all BranchObj and other objects in the map.

 		The structure of the map itself is returned as QString and passed back to Main, 

 		where saveToDir is called initially

 	*/	

     QString saveToDir (const QString &tmpdir, const QString &prefix, bool writeflags, const QPointF &offset, LinkableMapObj *saveSel);

 	/*! \brief Get directory, where current step in history is save

 		saveState creates a directory for each step in history. This function returns the

 		path of the current directory

 	*/

 	QString getHistoryDir();

 	/*! \brief Save the current changes in map 

 		Two commands and selections are saved:

 			- undocommand and undoselection to undo the change

 			- redocommand and redoselection to redo the action after an undo

 		Additionally a comment is logged. 

 	*/	

     void saveState(const SaveMode& savemode, const QString &undoSelection, const QString &undoCommand, const QString &redoSelection, const QString &redoCommand, const QString &comment, LinkableMapObj *saveSelection);

 	/*! Overloaded for convenience */

     void saveStateChangingPart(LinkableMapObj *undoSelection, LinkableMapObj* redoSelection, const QString &redoCommand, const QString &comment);

 	/*! Overloaded for convenience */

     void saveStateRemovingPart(LinkableMapObj *redoSelection, const QString &comment);

 	/*! Overloaded for convenience */

     void saveState(LinkableMapObj *undoSelection, const QString &undoCommand, LinkableMapObj *redoSelection, const QString &redoCommand, const QString &comment); 

 	/*! Overloaded for convenience */

     void saveState(const QString &undoSelection, const QString &undoCommand, const QString &redoSelection, const QString &redoCommand, const QString &comment) ;

 public:	

 	/* \brief Process one command and its parameters */

     void parseAtom (const QString &atom);	

 	/* \brief Runs the script */

 	void runScript (QString script);

 private:

     void addFloatImageInt(const QPixmap &img);

 public:

 	bool isDefault();		//!< true, if map is still the empty default map

     bool hasChanged();		//!< true, if something has changed and is not saved yet

 	void setChanged();		//!< called from TextEditor via LinkableMapObj

 	void closeMap();		//!< Closes the map

 	/*! \brief Sets filepath, filename and mapname

 	     If the filepath is "/home/tux/map.xml", then the filename will be set

 		 to map.xml. The destname is needed for vymLinks, pointing to another map. 

 		 The destname holds the real name of the file, after it has been compressed, e.g. "map.vym"

 	*/	 

 	/*! \brief Set File path

 	     The destname is needed to construct the references between maps

 	*/	 

 	void setFilePath (QString filepath,QString destname);	

 	void setFilePath (QString);	//!< Overloaded for convenience

 	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"

 	/*! \brief Load map

 		The data is read from file. Depending on LoadMode the current

 		selection gets replaced by data or the data is appended.

 	*/	

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

 public:

 	/*! \brief Save the map to file */

     int save(const SaveMode &);	

 	void setZipped(bool);		//!< Set or unset compression of map with zip save map zipped

 	bool saveZipped();			//!< True, if file will be saved zipped

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

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

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

 private:

     QPixmap getPixmap();

 	void setHideTmpMode (BranchObj::HideTmpMode);	// temporary hide stuff

 	BranchObj::HideTmpMode getHideTmpMode();		// temporary hide stuff

 public:

 	/*! Set or unset temporary hiding of objects during export  */

 	void setExportMode (bool);

 	/*! Export as ASCII text to file */

 	void exportASCII (QString fname="",bool askForName=true);  

 	/*! Save as image */

     void exportImage (QString fname="",bool askForName=true,QString format="PNG");

     /*! Export as OpenOfficeOrg presentation */

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

 	/*! Export as XHTML to directory */

     void exportXHTML(const QString& dir="", bool askForName=true);	

 	/*! Export as XTML to directory */

     void exportXML(const QString& dir="");

     void clear();						//!< Clear map

     void copy();						//!< Copy to clipboard

     void redo();						//!< Redo last action

 	bool isRedoAvailable();				//!< True, if redo is available

     void undo();						//!< Undo last action

 	bool isUndoAvailable();				//!< True, if undo is available

 	void gotoHistoryStep (int);			//!< Goto a specifig step in history

 private:	

     void addMapReplaceInt(const QString & undoSel, const QString & path);

     void addMapInsertInt (const QString & path, int pos);

     void pasteNoSave(const int &n);		//!< paste clipboard to branch

 public:	

     void paste();		//!< Paste clipboard to branch and backup

     void cut();			//!< Cut to clipboard (and copy)

 	/*! \brief Move absolutly

 		Move absolutly to (x,y).

 	*/	

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

 	/*! \brief Move relativly

 		Move relativly to (x,y).

 	*/	

     void moveRel (const int &x, const int &y);

     void moveBranchUp();	//!< Move branch up

     void moveBranchDown();	//!< Move branch down

 private:	

 	void linkTo(const QString &);

 public:	

 	QString getHeading (bool &ok,QPoint &p); //!< Get heading, ok if selection is branch

 	void setHeading(const QString &);		//!< Set heading of branch	

 private:

 	void setHeadingInt(const QString &);

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

 	/*! \brief Add new branch

 		Depending on num the new branch is created

 		-3 above selection as child of selections parent

 		-2 as child of selection

 		-1 below selection as child of selections parent

 		0..n	insert at a specific position in selections parent

 		(needed for free relinking)

 	*/	

     BranchObj* addNewBranchInt(int);		// pos allows to add above/below selection

 public:	

 	/*! \Add new branch

 		Depending on num the new branch is created

 		-1 above selection

 		 0 as child of selection

 		 1 below selection

 	*/

     BranchObj* addNewBranch(int pos);		

     BranchObj* addNewBranchBefore();		//!< Insert branch between selection and its parent

     void deleteSelection();					//!< Delete selection

 	LinkableMapObj* getSelection();			//!< Returns selection

 	BranchObj* getSelectedBranch();			// returns selected branch or NULL

 	FloatImageObj* getSelectedFloatImage();	// returns selected branch or NULL

 	void unselect();						// before changing current noteedit

 	void reselect();						// after  changing current noteedit

 	bool select(const QString &);			// Select by string

 	QString getSelectString();

 private:	

 	void selectInt(LinkableMapObj*);	

 	void selectNextBranchInt();		// Increment number of branch

 	void selectPrevBranchInt();		// Decrement number of branch

 public:	

     void selectUpperBranch();

     void selectLowerBranch();

     void selectLeftBranch();

     void selectRightBranch();

     void selectFirstBranch();

     void selectLastBranch();

     void selectMapBackgroundImage();

     void setMapBackgroundImage(const QString &);

     void selectMapBackgroundColor();

     void setMapBackgroundColor(QColor);

     QColor getMapBackgroundColor();

     QColor getCurrentHeadingColor();

     void colorBranch(QColor);

     void colorSubtree(QColor);

 	void toggleStandardFlag(QString);

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

     void findReset();						// Reset Find 

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

 	void editURL();							// edit the URL

 	QString getURL();						// returns URL of selection or ""

 	QStringList getURLs();					// returns URLs of subtree

 	void editHeading2URL();					// copy heading to URL

 	void editBugzilla2URL();				// create URL to Bugzilla

 	void editFATE2URL();					// create URL to FATE

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

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

 	QString getVymLink();					// return path to map

 	QStringList getVymLinks();				// return paths in subtree

 	void setHideExport(bool);				// toggle the export flag

 	void toggleHideExport();				// toggle the export flag

 	void deleteKeepChilds();				// remove but keep childs

 	void deleteChilds();					// remove childs

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

 	void ensureSelectionVisible();		

 	void updateSelection();					// update geometry of selection

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

 	void updateNoteFlag();					// when TextEditor changes

 	void setMapAuthor (const QString &);

 	void setMapComment(const QString &);

 	void setMapLinkStyle (const QString &);	// Set style of link

 	LinkableMapObj::Style getMapLinkStyle ();	// requested in LMO

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

 	void setMapLinkColorHintInt();			// color of links

 	void setMapLinkColorHint(LinkableMapObj::ColorHint);// color of links

 	LinkableMapObj::ColorHint getMapLinkColorHint();

 	QColor getMapDefLinkColor();

 	void setMapDefXLinkColor(QColor);

 	QColor getMapDefXLinkColor();

 	void setMapDefXLinkWidth (int);

 	int getMapDefXLinkWidth();

 	void toggleMapLinkColorHint();			// after changing linkStyles

     void selectMapLinkColor();

     void selectMapSelectionColor();

 private:	

     void setSelectionColorInt(QColor);

 public:	

     void setSelectionColor(QColor);

     QColor getSelectionColor();

 	bool scrollBranch(BranchObj*);

 	bool unscrollBranch(BranchObj*);

     void toggleScroll();

     void unscrollChilds();

 private:	

 	FloatImageObj* loadFloatImageInt (QString);

 public:	

 	void loadFloatImage ();

 private:	

 	void saveFloatImageInt (FloatImageObj*, const QString &, const QString &);

 public:	

 	void saveFloatImage ();

 	void setFrameType(const FrameObj::FrameType &);

 	void setFrameType(const QString &);

 	void setFramePenColor (const QColor &);

 	void setFrameBrushColor (const QColor &);

 	void setFramePadding (const int &);

 	void setFrameBorderWidth (const int &);

 	void setIncludeImagesVer(bool);

 	void setIncludeImagesHor(bool);

 	void setHideLinkUnselected (bool);

 	bool getHideLinkUnselected ();

 private:	

     void importDirInt(BranchObj *,QDir);

     void importDirInt(const QString&);

 public:	

     void importDir();

 	void followXLink (int);

 	void editXLink (int);

     void testFunction();					// just testing new stuff

 											// set /mainwindo/showTestMenu=true...

 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 resizeEvent( QResizeEvent * );

 	void dragEnterEvent (QDragEnterEvent *);

 	void dragMoveEvent (QDragMoveEvent *);

 	void dragLeaveEvent (QDragLeaveEvent *);

 	void dropEvent (QDropEvent *);

 	void timerEvent(QTimerEvent *event);

 private slots:	

 	void autosave ();

 private:

 	State state;				// State of MapEditor

 	QGraphicsScene *mapScene;

     MapCenterObj* mapCenter;

 	QTimer *autosaveTimer;

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

 	BranchObj *editingBO;		// entering Text into BO

 	QColor defLinkColor;		// default color for links

 	QColor defXLinkColor;		// default color for xlinks

 	int defXLinkWidth;			// default width for xlinks

 	LinkableMapObj::ColorHint linkcolorhint;// use heading color or own color

 	LinkableMapObj::Style linkstyle;		// default style for links

     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 creating a link

 	XLinkObj* tmpXLink;

 	Selection xelection;	

     MapObj* movingObj;				// moving a MapObj

 	MapObj* linkingObj_src;			// part of a link

     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

     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

 	Parser parser;				// Parser stuff for scripting

 	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 tmpMapDir;			// tmp directory with undo history

 	QString histPath;			// Path to history file

 	SimpleSettings undoSet;		// undo/redo commands, saved in histPath

 	int stepsTotal;				// total number of steps (undos+redos) 

 	int curStep;				// Current step in history (ring buffer)

 	int curClipboard;			// number of history step, which is the current clipboard

 	int redosAvail;				// Available number of redo steps

 	int undosAvail;				// Available number of undo steps

 	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

 	BranchObj::HideTmpMode hidemode;	// true while exporting to hide some stuff

 	int timerId;				// animation timer

 	QList <MapObj*> animObjList;// list with animated objects

 };

 #endif