#include "mapeditor.h"

 #include <qstatusbar.h>

 #include <qmessagebox.h>

 #include <qapplication.h>

 #include <qpainter.h>

 #include <qpopupmenu.h>

 #include <qprinter.h>

 #include <qpaintdevicemetrics.h>

 #include <qfile.h>

 #include <qfiledialog.h>

 #include <qdir.h>

 #include <qcolor.h>

 #include <qcolordialog.h>

 #include <qbitmap.h>

 #include <qprocess.h>

 #include <qinputdialog.h>

 #include <iostream>

 #include <cstdlib>

 #include <typeinfo>

 #include "version.h"

 #include "api.h"

 #include "xml.h"

 #include "texteditor.h"

 #include "linkablemapobj.h"

 #include "exports.h"

 #include "misc.h"

 #include "mainwindow.h"

 #include "extrainfodialog.h"

 #include "editxlinkdialog.h"

 #include "settings.h"

 #include "icons/flag-note.xpm"

 #include "icons/flag-url.xpm"

 #include "icons/flag-vymlink.xpm"	

 #include "icons/flag-scrolled-right.xpm"

 #include "icons/flag-tmpUnscrolled-right.xpm"

 #include "icons/flag-questionmark.xpm"

 #include "icons/flag-exclamationmark.xpm"

 #include "icons/flag-hook-green.xpm"

 #include "icons/flag-cross-red.xpm"

 #include "icons/flag-stopsign.xpm"

 #include "icons/flag-smiley-good.xpm"

 #include "icons/flag-smiley-sad.xpm"

 #include "icons/flag-clock.xpm"

 #include "icons/flag-lamp.xpm"

 #include "icons/flag-arrow-up.xpm"

 #include "icons/flag-arrow-down.xpm"

 #include "icons/flag-thumb-up.xpm"

 #include "icons/flag-thumb-down.xpm"

 #include "icons/flag-heart.xpm"

 #include "icons/flag-flash.xpm"

 #include "icons/flag-lifebelt.xpm"

 extern TextEditor *textEditor;

 extern int statusbarTime;

 extern Main *mainWindow;

 extern FlagRowObj *systemFlagsDefault;

 extern FlagRowObj *standardFlagsDefault;

 extern MapEditor *clipboardME;

 extern QPtrList <QAction> actionListBranches;

 extern QAction *actionFileSave;

 extern QAction *actionEditUndo;

 extern QAction *actionEditCopy;

 extern QAction *actionEditCut;

 extern QAction *actionEditPaste;

 extern QAction *actionEditMoveUp;

 extern QAction *actionEditMoveDown;

 extern QAction *actionEditToggleScroll;

 extern QAction *actionEditOpenURL;

 extern QAction *actionEditURL;

 extern QAction *actionEditHeading2URL;

 extern QAction *actionEditBugzilla2URL;

 extern QAction *actionEditOpenVymLink;

 extern QAction *actionEditVymLink;

 extern QAction *actionEditDeleteVymLink;

 extern QAction *actionEditHeading;

 extern QAction *actionEditDelete;

 extern QAction *actionEditAddBranch;

 extern QAction *actionEditAddBranchAbove;

 extern QAction *actionEditAddBranchBelow;

 extern QAction *actionEditRemoveBranchHere;

 extern QAction *actionEditRemoveChilds;

 extern QAction *actionEditImportAdd;

 extern QAction *actionEditImportReplace;

 extern QAction *actionEditSaveBranch;

 extern QAction *actionEditSelectFirst;

 extern QAction *actionEditSelectLast;

 extern QAction *actionEditLoadImage;

 extern QAction *actionEditToggleFloatExport;

 extern QAction* actionFormatPickColor;

 extern QAction* actionFormatColorBranch;

 extern QAction* actionFormatColorSubtree;

 extern QAction *actionFormatLinkColorHint;

 extern QAction *actionFormatBackColor;

 extern QAction *actionFormatLinkColor;

 extern QActionGroup* actionGroupModModes;

 extern QAction* actionModModeColor;

 extern QAction* actionModModeLink;

 extern QAction* actionModModeCopy;

 extern QActionGroup *actionGroupFormatFrameTypes;

 extern QAction *actionFormatFrameNone;

 extern QAction *actionFormatFrameRectangle;

 extern QActionGroup *actionGroupFormatLinkStyles;

 extern QAction *actionFormatLinkStyleLine;

 extern QAction *actionFormatLinkStyleParabel;

 extern QAction *actionFormatLinkStylePolyLine;

 extern QAction *actionFormatLinkStylePolyParabel;

 extern QAction *actionViewToggleNoteEditor;

 extern QAction *actionSettingsAutoedit;

 extern QAction *actionSettingsAutoselectHeading;

 extern QAction *actionSettingsAutoselectText;

 extern QAction *actionSettingsPasteNewHeading;

 extern QAction *actionSettingsUseFlagGroups;

 extern QPopupMenu *branchContextMenu;

 extern QPopupMenu *branchLinksContextMenu;

 extern QPopupMenu *branchLinksContextMenuDup;

 extern QPopupMenu *floatimageContextMenu;

 extern QPopupMenu *saveImageFormatMenu;

 extern QPopupMenu *exportImageFormatMenu;

 extern QPopupMenu *canvasContextMenu;

 extern Settings settings;

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

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

 MapEditor::MapEditor(

 	QWidget* parent, bool interactive, const char* name, WFlags f) :

     QCanvasView(parent,name,f)

 {

 	//cout << "Constructor ME "<<this<<endl;

     mapCanvas = new QCanvas(1000,800);

 	mapCanvas->setAdvancePeriod(30);

     setCanvas (mapCanvas);

 	setVScrollBarMode ( QScrollView::AlwaysOn );

 	setHScrollBarMode ( QScrollView::AlwaysOn );

 	// Now create the _global_ system flags _once_:

 	// (Later all OrnamentedObj copy from this 

 	// and set their own canvas)

 	if (!systemFlagsDefault)

 	{

 		systemFlagsDefault = new FlagRowObj (mapCanvas);

 		systemFlagsDefault->setVisibility (false);

 		systemFlagsDefault->setName ("systemFlagsDef");

 		FlagObj *fo = new FlagObj (mapCanvas);

 		fo->load(QPixmap(flag_note_xpm));

 		fo->setName("note");

 		fo->setToolTip(tr("Note","Systemflag"));

 		systemFlagsDefault->addFlag (fo);	// makes deep copy

 		fo->load(QPixmap(flag_url_xpm));

 		fo->setName("url");

 		fo->setToolTip(tr("WWW Document (external)","Systemflag"));

 		systemFlagsDefault->addFlag (fo);

 		fo->load(QPixmap(flag_vymlink_xpm));

 		fo->setName("vymLink");

 		fo->setToolTip(tr("Link to another vym map","Systemflag"));

 		systemFlagsDefault->addFlag (fo);	

 		fo->load(QPixmap(flag_scrolled_right_xpm));

 		fo->setName("scrolledright");

 		fo->setToolTip(tr("subtree is scrolled","Systemflag"));

 		systemFlagsDefault->addFlag (fo);

 		fo->load(QPixmap(flag_tmpUnscrolled_right_xpm));

 		fo->setName("tmpUnscrolledright");

 		fo->setToolTip(tr("subtree is temporary scrolled","Systemflag"));

 		systemFlagsDefault->addFlag (fo);

 		delete (fo);

 	}

 	if (!standardFlagsDefault)

 	{

 		standardFlagsDefault = new FlagRowObj (mapCanvas);

 		standardFlagsDefault->setVisibility (false);

 		standardFlagsDefault->setName ("standardFlagsDef");

 		FlagObj *fo = new FlagObj (mapCanvas);

 		fo->load(QPixmap(flag_exclamationmark_xpm));

 		fo->setName ("exclamationmark");

 		fo->setGroup("standard-mark");

 		fo->setToolTip(tr("Take care!","Standardflag"));

 		standardFlagsDefault->addFlag (fo);	// makes deep copy

 		fo->load(QPixmap(flag_questionmark_xpm));

 		fo->setName("questionmark");

 		fo->setGroup("standard-mark");

 		fo->setToolTip(tr("Really?","Standardflag"));

 		standardFlagsDefault->addFlag (fo);	

 		fo->load(QPixmap(flag_hook_green_xpm));

 		fo->setName("hook-green");

 		fo->setGroup("standard-hook");

 		fo->setToolTip(tr("ok!","Standardflag"));

 		standardFlagsDefault->addFlag (fo);	

 		fo->load(QPixmap(flag_cross_red_xpm));

 		fo->setName("cross-red");

 		fo->setGroup("standard-hook");

 		fo->setToolTip(tr("Not ok!","Standardflag"));

 		standardFlagsDefault->addFlag (fo);	

 		fo->load(QPixmap(flag_stopsign_xpm));

 		fo->setName("stopsign");

 		fo->setToolTip(tr("This won't work!","Standardflag"));

 		standardFlagsDefault->addFlag (fo);	

 		fo->load(QPixmap(flag_smiley_good_xpm));

 		fo->setName("smiley-good");

 		fo->setGroup("standard-smiley");

 		fo->setToolTip(tr("Good","Standardflag"));

 		standardFlagsDefault->addFlag (fo);	

 		fo->load(QPixmap(flag_smiley_sad_xpm));

 		fo->setName("smiley-sad");

 		fo->setGroup("standard-smiley");

 		fo->setToolTip(tr("Bad","Standardflag"));

 		standardFlagsDefault->addFlag (fo);	

 		fo->load(QPixmap(flag_clock_xpm));

 		fo->setName("clock");

 		fo->setToolTip(tr("Time critical","Standardflag"));

 		standardFlagsDefault->addFlag (fo);	

 		fo->load(QPixmap(flag_lamp_xpm));

 		fo->setName("lamp");

 		fo->setToolTip(tr("Idea!","Standardflag"));

 		standardFlagsDefault->addFlag (fo);	

 		fo->load(QPixmap(flag_arrow_up_xpm));

 		fo->setName("arrow-up");

 		fo->setGroup("standard-arrow");

 		fo->setToolTip(tr("Important","Standardflag"));

 		standardFlagsDefault->addFlag (fo);	

 		fo->load(QPixmap(flag_arrow_down_xpm));

 		fo->setName("arrow-down");

 		fo->setGroup("standard-arrow");

 		fo->setToolTip(tr("Unimportant","Standardflag"));

 		standardFlagsDefault->addFlag (fo);	

 		fo->load(QPixmap(flag_thumb_up_xpm));

 		fo->setName("thumb-up");

 		fo->setGroup("standard-thumb");

 		fo->setToolTip(tr("I like this","Standardflag"));

 		standardFlagsDefault->addFlag (fo);	

 		fo->load(QPixmap(flag_thumb_down_xpm));

 		fo->setName("thumb-down");

 		fo->setGroup("standard-thumb");

 		fo->setToolTip(tr("I like this","Standardflag"));

 		fo->setToolTip(tr("I do not like this","Standardflag"));

 		standardFlagsDefault->addFlag (fo);	

 		fo->load(QPixmap(flag_heart_xpm));

 		fo->setName("heart");

 		fo->setToolTip(tr("I just love... ","Standardflag"));

 		standardFlagsDefault->addFlag (fo);	

 		fo->load(QPixmap(flag_flash_xpm));

 		fo->setName("flash");

 		fo->setToolTip(tr("Dangerous","Standardflag"));

 		standardFlagsDefault->addFlag (fo);	

 		fo->load(QPixmap(flag_lifebelt_xpm));

 		fo->setName("lifebelt");

 		fo->setToolTip(tr("This will help","Standardflag"));

 		standardFlagsDefault->addFlag (fo);	

 		delete (fo);

 	}

     mapCenter = new MapCenterObj(mapCanvas);

     mapCenter->setVisibility (true);

 	mapCenter->setMapEditor (this);

 	mapCenter->setHeading (tr("New Map","Heading of mapcenter in new map"));

     printer=NULL;

     lineedit = new QLineEdit(this, "lineedit"  );

     connect( lineedit, SIGNAL( returnPressed() ), SLOT( finishedLineEditNoSave() ) );

     lineedit->hide();

     actColor=black; setColor (actColor);

 	defLinkColor=QColor (0,0,255);

 	defXLinkColor=QColor (180,180,180);

 	linkcolorhint=DefaultColor;

 	linkstyle=StylePolyParabel;

 	mapCanvas->setBackgroundColor (white);

 	// Create bitmap cursors, patform dependant

 	#if defined(Q_OS_MACX)

 		#include "icons/cursorhandopen16.xpm"

 		#include "icons/cursorcolorpicker16.xpm"

 		QBitmap cb( 16, 16, chandopen, TRUE );

 		QBitmap cm( 16, 16, chandopenmask, TRUE );

 		handOpenCursor=QCursor ( cb, cm );		

 		// set hot spot to tip of picker			

 		pickColorCursor=QCursor ( cursorcolorpicker_xpm, 1,15 ); 

 	#else

 		#include "icons/cursorhandopen.xpm"

 		#include "icons/cursorcolorpicker.xpm"

 		QBitmap cb( 32, 32, chandopen, TRUE );

 		QBitmap cm( 32, 32, chandopenmask, TRUE );

 		handOpenCursor=QCursor ( cb, cm );		

 		// set hot spot to tip of picker			

 		pickColorCursor=QCursor ( cursorcolorpicker_xpm, 5,27 ); 

 	#endif

 	pickingColor=false;

 	drawingLink=false;

 	copyingObj=false;

     editingBO=NULL;

     selection=NULL;

     selectionLast=NULL;

     movingObj=NULL;

 	defXLinkWidth=1;

 	defXLinkColor=QColor (230,230,230);

     mapChanged=false;

 	mapDefault=true;

 	mapUnsaved=false;

 	undoSelection=NULL;

 	zipped=true;

 	filePath="";

 	fileName="unnamed";

 	mapName="";

 	// Initialize find routine

 	itFind=NULL;				

 	EOFind=false;

 	printFrame=true;

 	printFooter=true;

 	blockreposition=false;

 	isInteractive=interactive;

 	if (isInteractive)

 		// Create temporary files

 		makeTmpDirs();

 	// Initially set movingCentre

 	updateViewCenter();

 	mapCenter->reposition();	//	for positioning heading

 }

 MapEditor::~MapEditor()

 {

 	//cout <<"Destructor MapEditor\n";

 	if (isInteractive) delTmpDirs();

 	// Save Settings

 	//settings.writeEntry( "/vym/mapeditor/editmode/autoselect",  );

 }

 QColor MapEditor::color()

 {

     return actColor;

 }

 QColor MapEditor::backgroundColor()

 {

     return mapCanvas->backgroundColor();

 }

 MapCenterObj* MapEditor::getMapCenter()

 {

     return mapCenter;

 }

 QCanvas* MapEditor::getCanvas()

 {

     return mapCanvas;

 }

 void MapEditor::adjustCanvasSize()

 {

 	// To adjust the canvas to map, viewport size and position, we have to

 	// do some coordinate magic...

 	//

 	// Get rectangle of (scroll-)view. 

 	// We want to be in canvas coords, so

 	// we map. Important if view is zoomed...

 	QRect view = inverseWorldMatrix().mapRect( QRect( contentsX(), contentsY(),

 												visibleWidth(), visibleHeight()) );	

 	// Now we need the bounding box of view AND map to calc the correct canvas size.

 	// Why? Because if the map itself is moved out of view, the view has to be enlarged

 	// to avoid jumping aroung...

 	QRect map=mapCenter->getTotalBBox();

 	// right edge - left edge

 	int cw= max(map.x() + map.width(),  view.x() + view.width())  - min(map.x(), view.x());

 	int ch= max(map.y() + map.height(), view.y() + view.height()) - min(map.y(), view.y());

 	if ( (cw!=mapCanvas->width()) || (ch!=mapCanvas->height()) ||

 		!mapCanvas->onCanvas (map.topLeft()) || !mapCanvas->onCanvas (map.bottomRight())

 	)	

 	{	

 		// move the map on canvas (in order to not move it on screen) this is neccessary

 		// a) if topleft corner of canvas is left or above topleft corner of view and also left of

 		//    above topleft corner of map. E.g. if map is completly inside view, but it would be possible 

 		//    to scroll to an empty area of canvas to the left.

 		// b) if topleft corner of map left of or above topleft of canvas

 		int dx=0;

 		int dy=0;

 		if (cw > mapCanvas->width() )

 		{

 			if (map.x()<0) dx=-map.x();	

 		}

 		if (cw <  mapCanvas->width() )

 			dx=-min (view.x(),map.x());

 		if (ch > mapCanvas->height() )

 		{

 			if (map.y()<0) dy=-map.y();	

 		}

 		if (ch <  mapCanvas->height() )

 		{

 			dy=-min (view.y(),map.y());

 		}

 		// We really have to resize now. Let's go...

 		mapCanvas->resize (cw,ch);

 		if ( (dx!=0) || (dy!=0) ) 

 		{

 			mapCenter->moveAllBy(dx,dy);

 			mapCenter->reposition();

 			// scroll the view (in order to not move map on screen)

 			scrollBy (dx,dy);

 		}	

 	}

 }

 bool MapEditor::blockReposition()

 {

 	return blockreposition;

 }

 void MapEditor::makeTmpDirs()

 {

 	// Create unique temporary directories

 	char tmpdir[]="/tmp/vym-XXXXXX";	

 	bakMapDir=mkdtemp(tmpdir);

 	makeSubDirs(bakMapDir);

 	// FIXME set permissions

 	// and maybe use QT method for portability

 }

 void MapEditor::delTmpDirs()

 {

 	//FIXME delete tmp directory, better use QT methods here:

 	system ( "rm -rf "+ bakMapDir );

 }

 void MapEditor::makeSubDirs(const QString &s)

 {

 	QDir d(s);

 	d.mkdir ("images");	

 	d.mkdir ("flags");	

 }

 QString MapEditor::saveToDir(const QString &tmpdir, const QString &prefix, bool writeflags, const QPoint &offset, SaveMode savemode)

 {

 	// tmpdir		temporary directory to which data will be writte

 	// prefix		mapname, which will be appended to images etc.

 	// writeflags	Only write flags for "real" save of map, not undo

 	// offset		offset of bbox of whole map in canvas. 

 	//				Needed for XML export

 	// completeMap	if false, only vympart will be written, without

 	//				mapcenter

 	// Save Header

 	QString ls;

 	switch (linkstyle)

 	{

 		case StyleLine: 

 			ls="StyleLine";

 			break;

 		case StyleParabel:

 			ls="StyleParabel";

 			break;

 		case StylePolyLine:	

 			ls="StylePolyLine";

 			break;

 		default:

 			ls="StylePolyParabel";

 			break;

 	}	

 	QString s="<?xml version=\"1.0\" encoding=\"utf-8\"?><!DOCTYPE vymmap>\n";

 	QString colhint="";

 	if (linkcolorhint==HeadingColor) 

 		colhint=attribut("linkColorHint","HeadingColor");

 	QString mapAttr=attribut("version",__VYM_VERSION__);

 	if (savemode==CompleteMap)

 		mapAttr+= attribut("author",mapCenter->getAuthor()) +

 				  attribut("comment",mapCenter->getComment()) +

 			      attribut("date",mapCenter->getDate()) +

 		          attribut("backgroundColor", mapCanvas->backgroundColor().name() ) +

 		          attribut("linkStyle", ls ) +

 		          attribut("linkColor", defLinkColor.name() ) +

 		          attribut("defXLinkColor", defXLinkColor.name() ) +

 		          attribut("defXLinkWidth", QString().setNum(defXLinkWidth,10) ) +

 		          colhint; 

 	s+=beginElement("vymmap",mapAttr);

 	incIndent();

 	// Find the used flags while traversing the tree

 	standardFlagsDefault->resetUsedCounter();

 	// Build xml recursivly

 	if (savemode==CompleteMap)

 		s+=mapCenter->saveToDir(tmpdir,prefix,writeflags,offset);

 	else

 	{

 		if ( undoSelection &&

 			typeid(*undoSelection) == typeid(BranchObj) )

 			s+=((BranchObj*)(undoSelection))->saveToDir(tmpdir,prefix,offset);

 		else	

 			if (selection && typeid(*selection)==typeid(BranchObj))

 				s+=((BranchObj*)(selection))->saveToDir(tmpdir,prefix,offset);

 	}

 	// Save local settings

 	s+=settings.getXMLData (destPath);

 	// Save selection

 	if (selection) 

 		s+=valueElement("select",selection->getSelectString());

 	decIndent();

 	s+=endElement("vymmap");

 	if (writeflags)

 		standardFlagsDefault->saveToDir (tmpdir+"/flags/","",writeflags);

 	return s;

 }

 void MapEditor::saveState()

 {

 	saveState (CompleteMap,NULL);

 }

 void MapEditor::saveState(const SaveMode &mode, LinkableMapObj *part)

 {

 	saveState (mode,part,"");

 }

 void MapEditor::saveState(const SaveMode &mode, LinkableMapObj *part, const QString &undoCom)

 {

 	// all binary data is saved in bakMapDir (created in Constructor)

 	// the xml data itself is kept in memory in backupXML

 	// 

 	// For faster write/read of data, a part of the map can be

 	// written. Then the undoSelection will mark the part of the

 	// map which should be replaced if an undo is wanted later.

 	if (mode==PartOfMap && part && (typeid(*part) == typeid (BranchObj) ) ) 

 	{

 		// So far we only test undoCommands for BranchObjs

 		undoCommand=undoCom;

 		if (undoCommand!="")

 		{

 			undoSelection=part;

 		} else

 		{

 			// Writing a vympart only is useful for BranchObj

 			undoSelection=part;

 			backupXML=saveToDir (bakMapDir,mapName+"-",false, QPoint (),PartOfMap);

 		}

 	} else	

 	{

 		undoCommand="";

 		undoSelection=NULL;

 		backupXML=saveToDir (bakMapDir,mapName+"-",false, QPoint (),CompleteMap);

 	}	

 }

 void MapEditor::finishedLineEditNoSave()

 {

 	// This is called by finishedLineEdit or any MapEditor method,

 	// which wants to assure, that lineedits finish, before e.g. a branch is 

 	// deleted

 	// After calling LineEdit and using the clipboard, the 

     // focus is not any longer on the main widget, we

     // have to restore it using parentWidget()->setFocus()

     if (editingBO!=NULL) 

 	{

 		editingBO->setHeading(lineedit->text() );

 		editingBO=NULL;

 		lineedit->releaseKeyboard();

 		lineedit->hide();

 		parentWidget()->setFocus();

 		mapCenter->reposition();

 		adjustCanvasSize();

 		ensureSelectionVisible();

     }		

 }

 bool MapEditor::isDefault()

 {

     return mapDefault;

 }

 bool MapEditor::isUnsaved()

 {

     return mapUnsaved;

 }

 bool MapEditor::hasChanged()

 {

     return mapChanged;

 }

 void MapEditor::setChanged()

 {

 	mapChanged=true;

 	mapDefault=false;

 	mapUnsaved=true;

 	actionEditUndo->setEnabled (true);

 	actionFileSave->setEnabled (true);

 	findReset();

 }

 void MapEditor::closeMap()

 {

 	// Finish open lineEdits

 	if (lineedit) finishedLineEditNoSave();

 	// Unselect before disabling the toolbar actions

 	if (selection) selection->unselect();

 	selection=NULL;

 	updateActions();

     clear();

 	close();

 }

 void MapEditor::setFilePath(QString fname)

 {

 	setFilePath (fname,fname);

 }

 void MapEditor::setFilePath(QString fname, QString destname)

 {

 	filePath=fname;

 	fileName=fname;

 	destPath=destname;

 	// If fname is not an absolute path, complete it

 	filePath=QDir(fname).absPath();

 	fileDir=filePath.left (1+filePath.findRev ("/"));

 	// Set short name, too. Search from behind:

 	int i=fileName.findRev("/");

 	if (i>=0) fileName=fileName.remove (0,i+1);

 	// Forget the .vym (or .xml) for name of map

 	mapName=fileName.left(fileName.findRev(".",-1,true) );

 }

 QString MapEditor::getFilePath()

 {

 	return filePath;

 }

 QString MapEditor::getFileName()

 {

 	return fileName;

 }

 QString MapEditor::getMapName()

 {

 	return mapName;

 }

 QString MapEditor::getDestPath()

 {

 	return destPath;

 }

 int MapEditor::load (QString &fname, const LoadMode &lmode)

 {

 	// Finish open lineEdits

 	if (lineedit) finishedLineEditNoSave();

 	int returnCode=0;

 	if (lmode==NewMap)

 	{

 		if (selection) selection->unselect();

 		selection=NULL;

 		mapCenter->clear();

 		mapCenter->setMapEditor(this);

 		// (map state is set later at end of load...)

 	} else

 	{

 		setChanged();

 		saveState(PartOfMap,selection);

 	}	

     mapBuilderHandler handler;

 	QFile file( fname );

 	// I am paranoid: file should exist anyway

 	// according to check in mainwindow.

 	if (!file.exists() )

 	{

 		QMessageBox::critical( 0, tr( "Critical Parse Error" ),

 				   tr("Couldn't open map " +fname)+".");

 		returnCode=1;	

 	} else

 	{

 		blockreposition=true;

 		QXmlInputSource source( file);

 		QXmlSimpleReader reader;

 		reader.setContentHandler( &handler );

 		reader.setErrorHandler( &handler );

 		handler.setMapEditor( this );

 		handler.setTmpDir (filePath.left(filePath.findRev("/",-1)));	// needed to load files with rel. path

 		handler.setLoadMode (lmode);

 		bool ok = reader.parse( source );

 		blockreposition=false;

 		file.close();

 		if ( ok ) 

 		{

 			mapCenter->reposition();

 			adjustCanvasSize();

 			if (lmode==NewMap)

 			{

 				mapDefault=false;

 				mapChanged=false;

 				mapUnsaved=false;

 			}

 		} else 

 		{

 			QMessageBox::critical( 0, tr( "Critical Parse Error" ),

 					   tr( handler.errorProtocol() ) );

 			// returnCode=1;	

 			// Still return "success": the map maybe at least

 			// partially read by the parser

 		}	

 	}	

 	updateActions();

 	return returnCode;

 }

 int MapEditor::save (const SaveMode &savemode)

 {

 	// Finish open lineEdits

 	if (lineedit) finishedLineEditNoSave();

 	int returnCode=0;

 	// Create mapName and fileDir

 	makeSubDirs (fileDir);

 	QString fname;

 	if (saveZipped())

 		// save as .xml

 		fname=mapName+".xml";

 	else

 		// use name given by user, even if he chooses .doc

 		fname=fileName;

 	// Check if fname is writeable

 	QFile file( fileDir+fname);

 	if (!file.open( IO_WriteOnly ) ) 

 	{

 		QMessageBox::critical( 0, tr( "Critical Save Error" ),

 					   tr("Couldn't write to ") +fileDir+fname);

 		return 1;

 	}	

 	file.close();

 	QString saveFile;

 	saveFile=saveToDir (fileDir,mapName+"-",true,QPoint(),savemode);

 	file.setName ( fileDir  + fname);

 	if ( !file.open( IO_WriteOnly ) )

 	{

 		// This should neverever happen

 		QMessageBox::critical(0, tr("Critcal Save error"),"MapEditor::save() Couldn't open "+file.name());

 		return 1;

 	}	

 	// Write it finally, and write in UTF8, no matter what 

 	QTextStream ts( &file );

 	ts.setEncoding (QTextStream::UnicodeUTF8);

 	ts << saveFile;

 	file.close();

 	if (returnCode==0)

 	{

 		mapChanged=false;

 		mapUnsaved=false;

 		actionFileSave->setEnabled(false);

 	}

 	return returnCode;

 }

 void MapEditor::setZipped (bool z)

 {

 	zipped=z;

 }

 bool MapEditor::saveZipped ()

 {

 	return zipped;

 }

 void MapEditor::print()

 {

 	// Finish open lineEdits

 	if (lineedit) finishedLineEditNoSave();

 	if ( !printer ) 

 	{

 		printer = new QPrinter;

 		printer->setColorMode (QPrinter::Color);

 	}

 	QRect totalBBox=mapCenter->getTotalBBox();

 	// Try to set orientation automagically

 	// Note: Interpretation of generated postscript is amibiguous, if 

 	// there are problems with landscape mode, see

 	// http://sdb.suse.de/de/sdb/html/jsmeix_print-cups-landscape-81.html

 	if (totalBBox.width()>totalBBox.height())

 		// recommend landscape

 		printer->setOrientation (QPrinter::Landscape);

 	else	

 		// recommend portrait

 		printer->setOrientation (QPrinter::Portrait);

 	if ( printer->setup(this) ) 

 	// returns false, if printing is canceled

 	{

 		QPainter pp(printer);

 		// Don't print the visualisation of selection

 		LinkableMapObj *oldselection=NULL;

 		if (selection) 

 		{

 			oldselection=selection;

 			selection->unselect();

 		}

 		// Handle sizes of map and paper:

 		//

 		// setWindow defines which part of the canvas will be transformed 

 		// setViewport defines area on paper in device coordinates (dpi)

 		// e.g. (0,50,700,700) is upper part on A4

 		// see also /usr/lib/qt3/doc/html/coordsys.html

 		QPaintDeviceMetrics metrics (printer);

 		double paperAspect = (double)metrics.width()   / (double)metrics.height();

 		double   mapAspect = (double)totalBBox.width() / (double)totalBBox.height();

 		QRect mapRect=totalBBox;

 		QCanvasRectangle *frame=NULL;

 		QCanvasText *footerFN=NULL;

 		QCanvasText *footerDate=NULL;

 		if (printFrame || printFooter)

 		{

 			if (printFrame) 

 			{

 				// Print frame around map

 				mapRect.setRect (totalBBox.x()-10, totalBBox.y()-10, 

 					totalBBox.width()+20, totalBBox.height()+20);

 				frame=new QCanvasRectangle (mapRect,mapCanvas);

 				frame->setBrush (QColor(white));

 				frame->setPen (QColor(black));

 				frame->setZ(0);

 				frame->show();    

 			}		

 			/* FIXME testing

 			QCanvasLine *l=new QCanvasLine (mapCanvas);

 			l->setPoints (0,0,mapRect.width(),mapRect.height());

 			l->setPen (QPen(QColor(black), 1));

 			l->setZ (200);

 			l->show();

 	*/

 			if (printFooter) 

 			{

 				// Print footer below map

 				QFont font;		

 				font.setPointSize(10);

 				footerFN=new QCanvasText (mapCanvas);

 				footerFN->setText ("VYM - " + fileName);

 				footerFN->setFont(font);

 				footerFN->move (mapRect.x(), mapRect.y() + mapRect.height() );

 				footerFN->setZ(Z_TEXT);

 				footerFN->show();    

 				footerDate=new QCanvasText (mapCanvas);

 				footerDate->setText (QDate::currentDate().toString(Qt::TextDate));

 				footerDate->setFont(font);

 				footerDate->move (mapRect.x()+mapRect.width()-footerDate->boundingRect().width(), mapRect.y() + mapRect.height() );

 				footerDate->setZ(Z_TEXT);

 				footerDate->show();    

 			}

 			pp.setWindow (mapRect.x(), mapRect.y(), mapRect.width(), mapRect.height()+20);

 		}	else	

 		{

 			pp.setWindow (mapRect);

 		}	

 		if (mapAspect>=paperAspect)

 		{

 			// Fit horizontally to paper width

 			pp.setViewport(0,0, metrics.width(),(int)(metrics.width()/mapAspect) );	

 		}	else

 		{

 			// Fit vertically to paper height

 			pp.setViewport(0,0,(int)(metrics.height()*mapAspect),metrics.height());	

 		}	

 		mapCanvas->drawArea(mapRect, &pp);	// draw Canvas to printer

 		// Delete Frame and footer

 		if (footerFN) 

 		{

 			delete (footerFN);

 			delete (footerDate);

 		}	

 		if (frame)  delete (frame);

 		// Restore selection

 		if (oldselection) 

 		{

 			selection=oldselection;

 			selection->select();

 		}	

 	}

 }

 QPixmap MapEditor::getPixmap()

 {

 	QRect mapRect=mapCenter->getTotalBBox();

 	QPixmap pix (mapRect.size());

 	QPainter pp (&pix);

 	// Don't print the visualisation of selection

 	LinkableMapObj *oldselection=NULL;

 	if (selection) 

 	{

 		oldselection=selection;

 		selection->unselect();

 	}

 	pp.setWindow (mapRect);

 	mapCanvas->drawArea(mapRect, &pp);	// draw Canvas to painter

 	// Restore selection

 	if (oldselection) 

 	{

 		selection=oldselection;

 		selection->select();

 	}	

 	return pix;

 }

 void MapEditor::exportImage(QString fn)

 {

 	// Finish open lineEdits

 	if (lineedit) finishedLineEditNoSave();

 	QPixmap pix (getPixmap());

 	pix.save(fn, "PNG");

 }

 void MapEditor::exportImage(QString fn, int item)

 {

 	// Finish open lineEdits

 	if (lineedit) finishedLineEditNoSave();

 	QPixmap pix (getPixmap());

 	pix.save(fn, exportImageFormatMenu->text(item) );

 }

 void MapEditor::exportASCII()

 {

 	// FIXME still experimental

 	QFileDialog *fd=new QFileDialog( this, tr("VYM - Export (ASCII)"));

 	fd->addFilter ("TXT (*.txt)");

 	fd->setCaption("VYM - Export (ASCII) (still experimental)");

 	fd->setMode( QFileDialog::AnyFile );

 	fd->show();

 	if ( fd->exec() == QDialog::Accepted )

 	{

 		if (QFile (fd->selectedFile()).exists() )

 		{

 			QMessageBox mb( "VYM",

 				tr("The file ") + fd->selectedFile() + 

 				tr(" exists already. Do you want to overwrite it?"),

 			QMessageBox::Warning,

 			QMessageBox::Yes | QMessageBox::Default,

 			QMessageBox::Cancel | QMessageBox::Escape,

 			QMessageBox::NoButton );

 			mb.setButtonText( QMessageBox::Yes, tr("Overwrite") );

 			mb.setButtonText( QMessageBox::No, tr("Cancel"));

 			Export ex;

 			switch( mb.exec() ) 

 			{

 				case QMessageBox::Yes:

 					// save 

 					if (!ex.setOutputDir ("out"))

 					{

 						QMessageBox::critical (0,tr("Critical Export Error "),tr("Couldn't create directory ") + "out");

 						return;

 					}

 					break;;

 				case QMessageBox::Cancel:

 					// do nothing

 					return;

 					break;

 			}

 		}

 		Export ex;

 		ex.setPath (fd->selectedFile() );

 		ex.setMapCenter(mapCenter);

 		ex.exportMap();

 	}

 }

 void MapEditor::exportXML(const QString &dir)

 {

 	// Create subdirectories

 	makeSubDirs (dir);

 	// write to directory

 	QString saveFile=saveToDir (dir,mapName+"-",true,mapCenter->getTotalBBox().topLeft() ,CompleteMap);

 	QFile file;

 	file.setName ( dir + "/"+mapName+".xml");

 	if ( !file.open( IO_WriteOnly ) )

 	{

 		// This should neverever happen

 		QMessageBox::critical (0,tr("Critical Export Error"),tr("MapEditor::exportXML couldn't open ")+file.name());

 		return;

 	}	

 	// Write it finally, and write in UTF8, no matter what 

 	QTextStream ts( &file );

 	ts.setEncoding (QTextStream::UnicodeUTF8);

 	ts << saveFile;

 	file.close();

 	// Now write image, too

 	exportImage (dir+"/images/"+mapName+".png");

 }

 void MapEditor::clear()

 {

 	if (selection)

 	{

 		selection->unselect();

 		selection=NULL;

 	}	

 	mapCenter->clear();

 }

 void MapEditor::undo()

 {

 	QDir d;

 	d.setPath(bakMapDir);

 	if (d.exists() )

 	{

 		// Finish open lineEdits

 		if (lineedit) finishedLineEditNoSave();

 		if (selection) 

 		{

 			selection->unselect();

 			selection=NULL;

 		}	

 		if (undoCommand!="" && undoSelection)

 		{

 			// We don't need to parse XML backup, but

 			// do the undoCommand

 			selection=undoSelection;

 			selection->select();

 			parseTest (undoCommand);

 		} else

 		{

 			// We need to parse saved XML data

 			mapBuilderHandler handler;

 			QXmlInputSource source;

 			source.setData(backupXML);

 			QXmlSimpleReader reader;

 			reader.setContentHandler( &handler );

 			reader.setErrorHandler( &handler );

 			handler.setMapEditor( this );

 			handler.setTmpDir ( bakMapDir );	// needed to load files with rel. path

 			if (undoSelection)

 			{

 				selection=undoSelection;

 				selection->select();

 				handler.setLoadMode (ImportReplace);

 			} else	

 			{

 				mapCenter->clear();

 				handler.setLoadMode (NewMap);

 			}	

 			blockreposition=true;

 			bool ok = reader.parse( source );

 			blockreposition=false;

 			if ( ok ) 

 				mapCenter->reposition();

 			else 

 			{	

 				// This should never ever happen

 				QMessageBox::critical( 0, tr( "Critical Parse Error by reading backupFile" ),

 									   tr( handler.errorProtocol() )+" in "+backupXML );

 			}

 		} // restoring saved version	

 		// Undo not longer available now

 		actionEditUndo->setEnabled (false);

 		undoSelection=false;

 		mapChanged=false;

 		return;

 	} else	

 	{

 		QMessageBox::critical( 0, tr( "Critical Error" ),

 			"Temporary directory " +bakMapDir + 

 			tr (" used for undo is gone. \n"

 			"I will create a new one, but at the moment no undo is available.\n"

 			"Maybe you want to reload your original data.\n\n"

 			"Sorry for any inconveniences.") );

 		makeTmpDirs();	

 	}							

 }

 void MapEditor::copy()

 {

 	// Finish open lineEdits

 	if (lineedit) finishedLineEditNoSave();

 	if (selection) 

 	{

 		if (typeid(*selection) == typeid(BranchObj) ) 

 		{

 			BranchObj* to;

 			BranchObj* from;

 			clipboardME->clear();

 			clipboardME->getMapCenter()->addBranch();

 			to=clipboardME->getMapCenter()->getLastBranch();

 			if (to) 

 			{

 				from=(BranchObj*)(selection);

 				to->copy(from);

 				// keep position relative to parent

 				to->move2RelPos ( from->getRelPos());

 				// select data in clipboard

 				clipboardME->select ("bo:0");

 				// repositioning makes testing nicer,

 				// but is not needed usually:

 				if (clipboardME->isVisible())

 				{

 					clipboardME->getMapCenter()->reposition();  

 				}	

 				else

 					clipboardME->hide();

 			}

 		}    

 		if (typeid(*selection) == typeid(FloatImageObj) ) 

 		{

 			FloatImageObj* to;

 			FloatImageObj* from;

 			clipboardME->clear();

 			clipboardME->getMapCenter()->addFloatImage();

 			to=clipboardME->getMapCenter()->getLastFloatImage();

 			if (to) 

 			{

 				from=(FloatImageObj*)(selection);

 				to->copy(from);

 				// select data in clipboard

 				clipboardME->select ("fi:0");

 				// repositioning makes testing nicer,

 				// but is not needed usually:

 				if (clipboardME->isVisible())

 				{

 					clipboardME->getMapCenter()->reposition();  

 				}	

 				else

 					clipboardME->hide();

 			}

 		}    

 	}	    

 }

 LinkableMapObj* MapEditor::pasteNoSave()

 {

 	// Finish open lineEdits

 	if (lineedit) finishedLineEditNoSave();

 	LinkableMapObj *fromLMO=clipboardME->getSelection();

 	LinkableMapObj *returnLMO=NULL;

 	if (selection && fromLMO) 

 	{

 		if (typeid(*fromLMO) == typeid(BranchObj) ) 

 		{

 			if (typeid(*selection) == typeid(MapCenterObj)) 

 			{

 				returnLMO=mapCenter->addBranch( (BranchObj*)(fromLMO) );

 				((BranchObj*)(returnLMO))->move2RelPos(normalise(fromLMO->getRelPos() ) );

 			}     

 			if (typeid(*selection) == typeid(BranchObj)) 

 					returnLMO=((BranchObj*)(selection))->addBranch((BranchObj*)(fromLMO) );

 		}

 		if (typeid(*fromLMO) == typeid(FloatImageObj) &&

 			(typeid(*selection) == typeid (BranchObj) || 

 			 typeid(*selection)==typeid(MapCenterObj)) )

 			returnLMO=((BranchObj*) (selection))->addFloatImage ((FloatImageObj*)(fromLMO));

 	}	    

 	return returnLMO;

 }

 void MapEditor::cutNoSave()

 {

 	// Finish open lineEdits

 	if (lineedit) finishedLineEditNoSave();

 	BranchObj* bo;

 	BranchObj* par; 

 	if (selection != NULL) {

 		if (typeid(*selection) == typeid(BranchObj) ) 

 		{

 			bo=(BranchObj*)(selection);

 			par=(BranchObj*)(bo->getParObj());

 			bo->unselect();

 			selection=NULL;

 			par->removeBranch(bo);

 			selection=par;

 			selection->select();

 		}

 		if (typeid(*selection) == typeid(FloatImageObj) ) 

 		{

 			FloatImageObj* fio=(FloatImageObj*)(selection);

 			par=(BranchObj*)(fio->getParObj());

 			fio->unselect();

 			selection=NULL;

 			par->removeFloatImage(fio);

 			selection=par;

 			selection->select();

 		}

 	}	    

 }

 void MapEditor::paste()

 {   

 	setChanged();

 	saveState(PartOfMap,selection);

 	pasteNoSave();

 	mapCenter->reposition();

 	adjustCanvasSize();

 }

 void MapEditor::cut()

 {

 	setChanged();

 	saveState(PartOfMap,selection->getParObj());

 	copy();

 	cutNoSave();

 	mapCenter->reposition();

 	adjustCanvasSize();

 }

 void MapEditor::moveBranchUp()

 {

 	// Finish open lineEdits

 	if (lineedit) finishedLineEditNoSave();

 	BranchObj* bo;

 	BranchObj* par;

 	if (typeid(*selection) == typeid(BranchObj)  ) 

 	{

 		setChanged();

 		saveState(PartOfMap,selection,"moveBranchDown ()");

 		bo=(BranchObj*)(selection);

 		par=(BranchObj*)(bo->getParObj());

 		selection->unselect();

 		selection=par->moveBranchUp (bo);

 		selection->select();

 		mapCenter->reposition();

 		ensureSelectionVisible();

 	}

 }

 void MapEditor::moveBranchDown()

 {

 	// Finish open lineEdits

 	if (lineedit) finishedLineEditNoSave();

 	BranchObj* bo;

 	BranchObj* par;

 	if (typeid(*selection) == typeid(BranchObj)  ) 

 	{

 		setChanged();

 		saveState(PartOfMap,selection,"moveBranchUp ()");

 		bo=(BranchObj*)(selection);

 		par=(BranchObj*)(bo->getParObj());

 		selection->unselect(); 

 		selection=par->moveBranchDown(bo);

 		selection->select();

 		mapCenter->reposition();

 		ensureSelectionVisible();

 	}	

 }

 void MapEditor::editHeading()

 {

 	// Finish open lineEdits

 	if (lineedit) finishedLineEditNoSave();

 	if (selection  &&  

 		 (typeid(*selection) == typeid(BranchObj) || 

 		  typeid(*selection) == typeid(MapCenterObj) ) ) 

 	{

 		setChanged();

 		saveState(PartOfMap,selection);

 		ensureSelectionVisible();

 		editingBO=(BranchObj*)(selection);

 		QPoint p = worldMatrix().map(QPoint (editingBO->x(),editingBO->y()));

 		lineedit->setGeometry(p.x()-contentsX(),p.y()-contentsY(),200,25);

 		QString s=editingBO->getHeading();

 		lineedit->setText(s);

 		lineedit->setCursorPosition(1);

 		if (actionSettingsAutoselectText->isOn() && !s.isEmpty() && actionSettingsPasteNewHeading->isOn() )

 			lineedit->selectAll();

 		lineedit->show();

 		lineedit->grabKeyboard();

 		lineedit->setFocus();

 	}				

 }

 void MapEditor::addNewBranch(int pos)

 {

 	// Finish open lineEdits

 	if (lineedit) finishedLineEditNoSave();

 	if (selection  &&  

 		 (typeid(*selection) == typeid(BranchObj) || 

 		  typeid(*selection) == typeid(MapCenterObj) ) ) 

 	{

 		setChanged();

 		saveState(PartOfMap,selection);

 		BranchObj* bo1 = (BranchObj*) (selection);

 		bool wasScrolled=false;

 		BranchObj *newbo=NULL;

 		if (pos==0)

 		{

 			// save scroll state. If scrolled, automatically select

 			// new branch in order to tmp unscroll parent...

 			wasScrolled=bo1->isScrolled();

 			newbo=bo1->addBranch();

 		}	else 

 		{

 			BranchObj *parbo=(BranchObj*)(selection->getParObj());

 			if (parbo)

 			{

 				if (pos<0)

 					// add above selection

 					newbo=parbo->insertBranch(bo1->getNum());

 				else

 					// add below selection

 					newbo=parbo->insertBranch(bo1->getNum()+1);

 			} else

 				// This should not happen...

 				return;

 		}	

 		LinkableMapObj *oldselection=selection;

 		mapCenter->reposition();

 		adjustCanvasSize();

 		if (actionSettingsAutoedit->isOn() ||

 			actionSettingsAutoselectHeading->isOn() )

 		{

 			selection->unselect();

 			selection=newbo;

 			selection->select();

 			if (actionSettingsPasteNewHeading->isOn() )

 			{

 				BranchObj *bo2= (BranchObj*)(selection);

 				bo2->setHeading("");

 			}	

 			if (actionSettingsAutoedit->isOn() )

 				editHeading();

 			if (!actionSettingsAutoselectHeading->isOn()

 				&& !wasScrolled)

 			{

 				selection->unselect();

 				selection=oldselection;

 				selection->select();

 			}

 		}	

 	}	

 }

 void MapEditor::addNewBranchHere()

 {

 	// Finish open lineEdits

 	if (lineedit) finishedLineEditNoSave();

 	if (selection  &&  

 		 (typeid(*selection) == typeid(BranchObj) ) )

 	{

 		setChanged();

 		saveState(PartOfMap,selection);

 		BranchObj* bo1 = (BranchObj*) (selection);

 		bool wasScrolled=false;

 		BranchObj *newbo=NULL;

 		BranchObj *parbo=(BranchObj*)(selection->getParObj());

 		if (parbo)

 		{

 			// add below selection

 			newbo=parbo->insertBranch(bo1->getNum()+1);

 		} 

 		LinkableMapObj *oldselection=selection;

 		((BranchObj*)(selection))->moveBranchTo (newbo,-1);

 		mapCenter->reposition();

 		adjustCanvasSize();

 		if (actionSettingsAutoedit->isOn() ||

 			actionSettingsAutoselectHeading->isOn() )

 		{

 			selection->unselect();

 			selection=newbo;

 			selection->select();

 			if (actionSettingsPasteNewHeading->isOn() )

 			{

 				BranchObj *bo2= (BranchObj*)(selection);

 				bo2->setHeading("");

 			}	

 			if (actionSettingsAutoedit->isOn() )

 				editHeading();

 			if (!actionSettingsAutoselectHeading->isOn()

 				&& !wasScrolled)

 			{

 				selection->unselect();

 				selection=oldselection;

 				selection->select();

 			}

 		}	

 	}	

 }

 void MapEditor::deleteSelection()

 {

 	// Finish open lineEdits

 	if (lineedit) finishedLineEditNoSave();

 	if (selection  && typeid(*selection) ==typeid(BranchObj) ) 

 	{

 		setChanged();

 		saveState(PartOfMap,selection->getParObj());

 		BranchObj* bo=dynamic_cast <BranchObj*> (selection);

 		BranchObj* par=(BranchObj*)(bo->getParObj());

 		bo->unselect();

 		selection=NULL;

 		par->removeBranch(bo);

 		selection=par;

 		selection->select();

 		ensureSelectionVisible();

 		mapCenter->reposition();

 		adjustCanvasSize();

 	}

 	if (selection  && typeid(*selection) ==typeid(FloatImageObj) ) 

 	{

 		setChanged();

 		saveState(PartOfMap,selection->getParObj());

 		FloatImageObj* fio=dynamic_cast <FloatImageObj*> (selection);

 		BranchObj* par=(BranchObj*)(fio->getParObj());

 		fio->unselect();

 		selection=NULL;

 		par->removeFloatImage(fio);

 		selection=par;

 		selection->select();

 		ensureSelectionVisible();

 		mapCenter->reposition();

 		adjustCanvasSize();

 	}

 }

 LinkableMapObj* MapEditor::getSelection()

 {

 	return selection;

 }

 bool MapEditor::select (const QString &s)

 {

 	LinkableMapObj *lmo=mapCenter->findObj(s);

 	// Finally select the found object

 	if (lmo)

 	{

 		if (selection) unselect();

 		selection=lmo;

 		selection->select();

 		adjustCanvasSize();

 		ensureSelectionVisible();

 		return true;

 	} else

 		return false;

 }

 void MapEditor::unselect()

 {

 	if (selection) 

 	{

 		selectionLast=selection;

 		selection->unselect();

 		selection=NULL;

 	}

 }	

 void MapEditor::reselect()

 {

 	if (selectionLast)

 	{

 		selection=selectionLast;

 		selection->select();

 		selectionLast=NULL;

 	}

 }	

 void MapEditor::selectNextBranch()

 {

 	// Increase number of branch

 	if (selection)

 	{

 		QString s=selection->getSelectString();

 		QString part;

 		QString typ;

 		QString num;

 		// Where am I? 

 		part=s.section(",",-1);

 		typ=part.left (3);

 		num=part.right(part.length() - 3);

 		s=s.left (s.length() -num.length());

 		// Go to next lmo

 		num=QString ("%1").arg(num.toUInt()+1);

 		s=s+num;

 		// Try to select this one

 		if (select (s)) return;

 		// We have no direct successor, 

 		// try to increase the parental number in order to

 		// find a successor with same depth

 		int d=selection->getDepth();

 		int oldDepth=d;

 		int i;

 		bool found=false;

 		bool b;

 		while (!found && d>0)

 		{

 			s=s.section (",",0,d-1);

 			// replace substring of current depth in s with "1"

 			part=s.section(",",-1);

 			typ=part.left (3);

 			num=part.right(part.length() - 3);

 			if (d>1)

 			{	

 				// increase number of parent

 				num=QString ("%1").arg(num.toUInt()+1);

 				s=s.section (",",0,d-2) + ","+ typ+num;

 			} else

 			{

 				// Special case, look at orientation

 				if (selection->getOrientation()==OrientRightOfCenter)

 					num=QString ("%1").arg(num.toUInt()+1);

 				else	

 					num=QString ("%1").arg(num.toUInt()-1);

 				s=typ+num;

 			}	

 			if (select (s))

 				// pad to oldDepth, select the first branch for each depth

 				for (i=d;i<oldDepth;i++)

 				{

 					b=select (s);

 					if (b)

 					{	

 						if ( ((BranchObj*)(selection))->countBranches()>0)

 							s+=",bo:0";

 						else	

 							break;

 					} else

 						break;

 				}	

 			// try to select the freshly built string

 			found=select(s);

 			d--;

 		}

 		return;

 	}	

 }

 void MapEditor::selectPrevBranch()

 {

 	// Decrease number of branch

 	if (selection)

 	{

 		QString s=selection->getSelectString();

 		QString part;

 		QString typ;

 		QString num;

 		// Where am I? 

 		part=s.section(",",-1);

 		typ=part.left (3);

 		num=part.right(part.length() - 3);

 		s=s.left (s.length() -num.length());

 		// Go to next lmo

 		num=QString ("%1").arg(num.toUInt()-1);

 		s=s+num;

 		// Try to select this one

 		if (select (s)) return;

 		// We have no direct precessor, 

 		// try to decrease the parental number in order to

 		// find a precessor with same depth

 		int d=selection->getDepth();

 		int oldDepth=d;

 		int i;

 		bool found=false;

 		bool b;

 		while (!found && d>0)

 		{

 			s=s.section (",",0,d-1);

 			// replace substring of current depth in s with "1"

 			part=s.section(",",-1);

 			typ=part.left (3);

 			num=part.right(part.length() - 3);

 			if (d>1)

 			{

 				// decrease number of parent

 				num=QString ("%1").arg(num.toUInt()-1);

 				s=s.section (",",0,d-2) + ","+ typ+num;

 			} else

 			{

 				// Special case, look at orientation

 				if (selection->getOrientation()==OrientRightOfCenter)

 					num=QString ("%1").arg(num.toUInt()-1);

 				else	

 					num=QString ("%1").arg(num.toUInt()+1);

 				s=typ+num;

 			}	

 			if (select(s))

 				// pad to oldDepth, select the last branch for each depth

 				for (i=d;i<oldDepth;i++)

 				{

 					b=select (s);

 					if (b)

 						if ( ((BranchObj*)(selection))->countBranches()>0)

 							s+=",bo:"+ QString ("%1").arg( ((BranchObj*)(selection))->countBranches()-1 );

 						else	

 							break;

 					else

 						break;

 				}	

 			// try to select the freshly built string

 			found=select(s);

 			d--;

 		}

 		return;

 	}	

 }

 void MapEditor::selectUpperBranch()

 {

 	// Finish open lineEdits

 	if (lineedit) finishedLineEditNoSave();

 	if (selection) 

 	{

 		if (typeid(*selection) == typeid(BranchObj))

 		{

 			if (selection->getOrientation()==OrientRightOfCenter)

 				selectPrevBranch();

 			else

 				if (selection->getDepth()==1)

 					selectNextBranch();

 				else

 					selectPrevBranch();

 		}		

 	}

 }

 void MapEditor::selectLowerBranch()

 {

 	// Finish open lineEdits

 	if (lineedit) finishedLineEditNoSave();

 	if (selection) 

 	{

 		if (typeid(*selection) == typeid(BranchObj))

 		{

 			if (selection->getOrientation()==OrientRightOfCenter)

 				selectNextBranch();

 			else

 				if (selection->getDepth()==1)

 					selectPrevBranch();

 				else

 					selectNextBranch();

 		}		

 	}

 }

 void MapEditor::selectLeftBranch()

 {

 	// Finish open lineEdits

 	if (lineedit) finishedLineEditNoSave();

 	BranchObj* bo;

 	BranchObj* par;

 	if (selection) 

 	{

 		if (typeid(*selection) == typeid(MapCenterObj))

 		{

 			par=  (BranchObj*) (selection);

 			bo=par->getLastSelectedBranch();

 			if (bo)

 			{

 				// Workaround for reselecting on left and right side

 				if (bo->getOrientation()==OrientRightOfCenter)

 				{

 					bo=par->getLastBranch();

 				}	

 				if (bo)

 				{

 					par->unselect();

 					selection=bo;

 					selection->select();

 					adjustCanvasSize();

 					ensureSelectionVisible();

 				}

 			}	

 		} else

 		{

 			par=(BranchObj*)(selection->getParObj());

 			if (selection->getOrientation()==OrientRightOfCenter)

 			{

 				if (typeid(*selection) == typeid(BranchObj) ||

 					typeid(*selection) == typeid(FloatImageObj))

 				{

 					selection->unselect();

 					selection=par;

 					selection->select();

 					adjustCanvasSize();

 					ensureSelectionVisible();

 				}

 			} else

 			{

 				if (typeid(*selection) == typeid(BranchObj) )

 				{

 					bo=((BranchObj*)(selection))->getLastSelectedBranch();

 					if (bo) 

 					{

 						selection->unselect();

 						selection=bo;

 						selection->select();

 						adjustCanvasSize();

 						ensureSelectionVisible();

 					}

 				}

 			}

 		}	

 	}

 }

 void MapEditor::selectRightBranch()

 {

 	// Finish open lineEdits

 	if (lineedit) finishedLineEditNoSave();

 	BranchObj* bo;

 	BranchObj* par;

 	if (selection) 

 	{

 		if (typeid(*selection) == typeid(MapCenterObj))

 		{

 			par=  (BranchObj*) (selection);

 			bo=par->getLastSelectedBranch();

 			if (bo)

 			{

 				// Workaround for relecting on left and right side

 				if (bo->getOrientation()==OrientLeftOfCenter)

 					bo=par->getFirstBranch();

 				if (bo)

 				{

 					par->unselect();

 					selection=bo;

 					selection->select();

 					ensureSelectionVisible();

 				}

 			}

 		} else

 		{

 			par=(BranchObj*)(selection->getParObj());

 			if (selection->getOrientation()==OrientLeftOfCenter)

 			{

 				if (typeid(*selection) == typeid(BranchObj) ||

 					typeid(*selection) == typeid(FloatImageObj))

 				{

 					selection->unselect();

 					selection=par;

 					selection->select();

 					adjustCanvasSize();

 					ensureSelectionVisible();

 				}

 			} else

 			{

 				if (typeid(*selection) == typeid(BranchObj) )

 				{

 					bo=((BranchObj*)(selection))->getLastSelectedBranch();

 					if (bo) 

 					{

 						selection->unselect();

 						selection=bo;

 						selection->select();

 						adjustCanvasSize();

 						ensureSelectionVisible();

 					}

 				}

 			}

 		}

 	}

 }

 void MapEditor::selectFirstBranch()

 {

 	// Finish open lineEdits

 	if (lineedit) finishedLineEditNoSave();

 	BranchObj *bo1;

 	BranchObj *bo2;

 	BranchObj* par;

 	if (selection) {

 		if (typeid(*selection) == typeid(BranchObj))

 		{

 			bo1=  (BranchObj*) (selection);

 			par=(BranchObj*)(bo1->getParObj());

 			bo2=par->getFirstBranch();

 			if (bo2) {

 				bo1->unselect();

 				selection=bo2;

 				selection->select();

 				ensureSelectionVisible();

 			}

 		}		

 		adjustCanvasSize();

 	}

 }

 void MapEditor::selectLastBranch()

 {

 	// Finish open lineEdits

 	if (lineedit) finishedLineEditNoSave();

 	BranchObj *bo1;

 	BranchObj *bo2;

 	BranchObj* par;

 	if (selection) {

 		if (typeid(*selection) == typeid(BranchObj))

 		{

 			bo1=  (BranchObj*) (selection);

 			par=(BranchObj*)(bo1->getParObj());

 			bo2=par->getLastBranch();

 			if (bo2) {

 				bo1->unselect();

 				selection=bo2;

 				selection->select();

 				ensureSelectionVisible();

 			}

 		}		

 		adjustCanvasSize();

 	}

 }

 void MapEditor::setColor(QColor c)

 {

 	actColor=c;

 }

 void MapEditor::selectBackgroundColor()

 {

 	// Finish open lineEdits

 	if (lineedit) finishedLineEditNoSave();

 	QColor col = QColorDialog::getColor( mapCanvas->backgroundColor(), this );

 	if ( !col.isValid() ) return;

 	setBackgroundColor( col );

 	setChanged();

 }

 void MapEditor::setBackgroundColor(QColor c)

 {

 	mapCanvas->setBackgroundColor (c);

 }

 QColor MapEditor::pickColor()

 {

 	if (selection) 

 	{

 		if (typeid(*selection) == typeid(BranchObj) ||

 			typeid(*selection) == typeid(MapCenterObj))

 		{

 			BranchObj *bo=(BranchObj*)(selection);

 			actColor=bo->getColor(); 

 		}    

 	}

 	return actColor;

 }

 void MapEditor::colorItem()

 {

 	if (selection) 

 	{

 		if (typeid(*selection) == typeid(BranchObj) ||

 			typeid(*selection) == typeid(MapCenterObj))

 		{

 			setChanged();

 			saveState(PartOfMap,selection);

 			BranchObj *bo=(BranchObj*)(selection);

 			bo->setColor(actColor, false); // color links, color childs

 		}    

 	}

 }

 void MapEditor::colorBranch()

 {

 	if (selection) 

 	{

 		if (typeid(*selection) == typeid(BranchObj) ||

 			typeid(*selection) == typeid(MapCenterObj))

 		{

 			setChanged();

 			saveState(PartOfMap,selection);

 			BranchObj *bo=(BranchObj*)(selection);

 			bo->setColor(actColor, true); // color links, color childs

 		}    

 	}

 }

 void MapEditor::toggleStandardFlag(QString f)

 {

 	if (selection)

 	{

 		setChanged();

 		saveState(PartOfMap,selection);	

 		((BranchObj*)(selection))->toggleStandardFlag (f,actionSettingsUseFlagGroups);

 	}	

 }

 void MapEditor::setViewCenter()

 {

 	// transform to CanvasView Coord:

 	QPoint p=worldMatrix().map(movingCenter);

 	center ( p.x(), p.y());

 }

 BranchObj* MapEditor::findText (QString s, bool cs)

 {

 	if (!itFind) 

 	{	// Nothing found or new find process

 		if (EOFind)

 			// nothing found, start again

 			EOFind=false;

 		itFind=mapCenter->first();

 	}	

 	bool searching=true;

 	bool foundNote=false;

 	while (searching && !EOFind)

 	{

 		if (itFind)

 		{

 			// Searching in Note

 			if (itFind->getNote().contains(s,cs))

 			{

 				if (selection!=itFind) 

 				{

 					if (selection) ((BranchObj*)(selection))->unselect();

 					selection=itFind;

 					selection->select();

 					adjustCanvasSize();

 					ensureSelectionVisible();

 				}

 				if (textEditor->findText(s,cs)) 

 				{

 					searching=false;

 					foundNote=true;

 				}	

 			}

 			// Searching in Heading

 			if (searching && itFind->getHeading().contains (s,cs) ) 

 			{

 				if (selection) ((BranchObj*)(selection))->unselect();

 				selection=itFind;

 				selection->select();

 				adjustCanvasSize();

 				ensureSelectionVisible();

 				searching=false;

 			}

 		}	

 		if (!foundNote)

 		{

 			itFind=itFind->next();

 			if (!itFind) EOFind=true;

 		}

 	}	

 	if (!searching)

 	{

 		adjustCanvasSize();

 		return (BranchObj*)(selection);

 	}	else

 		return NULL;

 }

 void MapEditor::findReset()

 {	// Necessary if text to find changes during a find process

 	itFind=NULL;

 	EOFind=false;

 }

 void MapEditor::openURL()

 {

 	if (selection )

 	{

 		if (typeid(*selection) == typeid(BranchObj) ||

 			typeid(*selection) == typeid(MapCenterObj))

 		{

 			QString url=((BranchObj*)(selection))->getURL();

 			QProcess *proc = new QProcess( this );

 #if !defined(Q_OS_MACX)

 			proc->addArgument( settings.readEntry("/vym/mainwindow/readerURL","konqueror" ));

 #else			

 			proc->addArgument( settings.readEntry("/vym/mainwindow/readerURL",

 				"/Applications/Safari.app/Contents/MacOS/Safari" ));

 #endif			

 			proc->addArgument( url);

 			if ( !proc->start() ) 

 				// error handling

 				if (mainWindow->settingsURL() ) 

 					openURL();

 		}	

 	}	

 }

 void MapEditor::editURL()

 {

 	if (selection && (typeid(*selection) == typeid(BranchObj) ||

 			typeid(*selection) == typeid(MapCenterObj)) )

 	{		

 		bool ok;

 		QString text = QInputDialog::getText(

 				"VYM", tr("Enter URL:"), QLineEdit::Normal,

 				((BranchObj*)(selection))->getURL(), &ok, this );

 		if ( ok) 

 		{

 			// user entered something and pressed OK

 			((BranchObj*)(selection))->setURL (text);

 			updateActions();

 			setChanged();

 		}	

 	}

 }

 void MapEditor::editHeading2URL()

 {

 	if (selection && (typeid(*selection) == typeid(BranchObj) ||

 			typeid(*selection) == typeid(MapCenterObj)) )

 	{		

 		BranchObj *b=(BranchObj*)(selection);

 		b->setURL (b->getHeading());

 		updateActions();

 		setChanged();

 	}

 }	

 void MapEditor::editBugzilla2URL()

 {

 	if (selection && (typeid(*selection) == typeid(BranchObj) ||

 			typeid(*selection) == typeid(MapCenterObj)) )

 	{		

 		BranchObj *b=(BranchObj*)(selection);

 		b->setURL ("https://bugzilla.novell.com/show_bug.cgi?id="+b->getHeading());

 		updateActions();

 		setChanged();

 	}

 }	

 void MapEditor::editVymLink()

 {

 	if (selection && (typeid(*selection) == typeid(BranchObj) ||

 			typeid(*selection) == typeid(MapCenterObj)) )

 	{		

 		QFileDialog *fd=new QFileDialog( this,tr("VYM - Link to another map"));

 		fd->addFilter (QString (tr("vym map") + " (*.vym)"));

 		fd->setCaption(tr("VYM - Link to another map"));

 		if (! ((BranchObj*)(selection))->getVymLink().isEmpty() )

 			fd->setSelection( ((BranchObj*)(selection))->getVymLink() );

 		fd->show();

 		QString fn;

 		if ( fd->exec() == QDialog::Accepted )

 			((BranchObj*)(selection))->setVymLink (fd->selectedFile() );

 		updateActions();

 		mapCenter->reposition();

 		adjustCanvasSize();

 		canvas()->update();

 		setChanged();

 	}

 }

 void MapEditor::deleteVymLink()

 {

 	if (selection && (typeid(*selection) == typeid(BranchObj) ||

 			typeid(*selection) == typeid(MapCenterObj)) )

 	{		

 		((BranchObj*)(selection))->setVymLink ("" );

 		updateActions();

 		mapCenter->reposition();

 		adjustCanvasSize();

 		canvas()->update();

 		setChanged();

 	}

 }

 QString MapEditor::getVymLink()

 {

 	if (selection && (typeid(*selection) == typeid(BranchObj) ||

 			typeid(*selection) == typeid(MapCenterObj)) )

 	{		

 		return ((BranchObj*)(selection))->getVymLink();

 	}

 	return "";

 }

 void MapEditor::removeBranchHere()

 {

 	if (selection && (typeid(*selection) == typeid(BranchObj) ))

 	{		

 		setChanged();

 		saveState(PartOfMap,selection->getParObj());

 		QString sel=selection->getSelectString();

 		BranchObj* bo=(BranchObj*)(selection);

 		BranchObj* par=(BranchObj*)(bo->getParObj());

 		unselect();

 		par->removeBranchHere(bo);

 		mapCenter->reposition();

 		select (sel);

 	}	

 }

 void MapEditor::removeChilds()

 {

 	if (selection && (typeid(*selection) == typeid(BranchObj) ))

 	{		

 		setChanged();

 		saveState(PartOfMap,selection->getParObj());

 		((BranchObj*)(selection))->removeChilds();

 		mapCenter->reposition();

 	}	

 }

 void MapEditor::editMapInfo()

 {

 	ExtraInfoDialog dia;

 	dia.setMapName (getFileName() );

 	dia.setAuthor (mapCenter->getAuthor() );

 	dia.setComment(mapCenter->getComment() );

 	// Calc some stats

 	QString stats;

     int i=0;

     QCanvasItemList l=canvas()->allItems();

     for (QCanvasItemList::Iterator it=l.begin(); it!=l.end(); ++it) 

         i++;

     stats+=QString ("%1 items on canvas\n").arg (i,6);

 	uint b=0;

 	uint f=0;

 	uint n=0;

 	uint xl=0;

 	BranchObj *bo;

 	bo=mapCenter->first();

 	while (bo) 

 	{

 		if (!bo->getNote().isEmpty() ) n++;

 		f+= bo->countFloatImages();

 		b++;

 		xl+=bo->countXLinks();

 		bo=bo->next();

 	}

     stats+=QString ("%1 branches\n").arg (b-1,6);

     stats+=QString ("%1 xLinks \n").arg (xl,6);

     stats+=QString ("%1 notes\n").arg (n,6);

     stats+=QString ("%1 images\n").arg (f,6);

 	dia.setStats (stats);

 	// Finally show dialog

 	if (dia.exec() == QDialog::Accepted)

 	{

 		mapCenter->setAuthor (dia.getAuthor() );

 		mapCenter->setComment (dia.getComment() );

 		setChanged();

 	}

 }

 void MapEditor::updateActions()

 {

 	QAction *a;

 	if (getLinkColorHint()==HeadingColor) 

 		actionFormatLinkColorHint->setOn(true);

 	else	

 		actionFormatLinkColorHint->setOn(false);

 	switch (linkstyle)

 	{

 		case StyleLine: 

 			actionFormatLinkStyleLine->setOn(true);

 			break;

 		case StyleParabel:

 			actionFormatLinkStyleParabel->setOn(true);

 			break;

 		case StylePolyLine:	

 			actionFormatLinkStylePolyLine->setOn(true);

 			break;

 		case StylePolyParabel:	

 			actionFormatLinkStylePolyParabel->setOn(true);

 			break;

 		default:

 			break;

 	}	

 	QPixmap pix( 16, 16 );

     pix.fill( mapCanvas->backgroundColor() );

     actionFormatBackColor->setIconSet( pix );

     pix.fill( defLinkColor );

     actionFormatLinkColor->setIconSet( pix );

 	actionEditUndo->setEnabled( mapChanged );

 	actionFileSave->setEnabled( mapUnsaved );

 	if (selection)

 	{

 		if ( (typeid(*selection) == typeid(BranchObj)) || 

 			(typeid(*selection) == typeid(MapCenterObj))  )

 		{

 			BranchObj *bo=(BranchObj*)(selection);

 			// Take care of links

 			if (bo->countXLinks()==0)

 			{

 				branchLinksContextMenu->clear();

 				branchLinksContextMenu->insertItem ("No link available");

 				branchLinksContextMenuDup->clear();

 				branchLinksContextMenuDup->insertItem ("No link available");

 			} else

 			{

 				BranchObj *bot;

 				QString s;

 				branchLinksContextMenu->clear();

 				branchLinksContextMenuDup->clear();

 				for (int i=0; i<=bo->countXLinks();i++)

 				{

 					bot=bo->XLinkTargetAt(i);

 					if (bot)

 					{

 						s=bot->getHeading();

 						if (s.length()>25)

 							s=s.left(25)+"...";

 						branchLinksContextMenu->insertItem (s);

 						branchLinksContextMenuDup->insertItem (s);

 					}	

 				}

 			}

 			standardFlagsDefault->setEnabled (true);

 			if ( bo->getURL().isEmpty() )

 				actionEditOpenURL->setEnabled (false);

 			else	

 				actionEditOpenURL->setEnabled (true);

 			if ( bo->getVymLink().isEmpty() )

 			{

 				actionEditOpenVymLink->setEnabled (false);

 				actionEditDeleteVymLink->setEnabled (false);

 			} else	

 			{

 				actionEditOpenVymLink->setEnabled (true);

 				actionEditDeleteVymLink->setEnabled (true);

 			}	

 			actionEditCopy->setEnabled (true);	

 			actionEditCut->setEnabled (true);	

 			if (clipboardME->getMapCenter()->countBranches()>0)

 				actionEditPaste->setEnabled (true);	

 			else	

 				actionEditPaste->setEnabled (false);	

 			for (a=actionListBranches.first();a;a=actionListBranches.next())

 				a->setEnabled(true);

 			actionEditDelete->setEnabled (true);

 			actionEditToggleFloatExport->setEnabled (false);

 			switch (selection->getFrameType())

 			{

 				case NoFrame: 

 					actionFormatFrameNone->setOn(true);

 					break;

 				case Rectangle:

 					actionFormatFrameRectangle->setOn(true);

 					break;

 				default:

 					break;

 			}	

 		}

 		if ( (typeid(*selection) == typeid(FloatImageObj)) )

 		{

 			standardFlagsDefault->setEnabled (false);

 			actionEditOpenURL->setEnabled (false);

 			actionEditOpenVymLink->setEnabled (false);

 			actionEditDeleteVymLink->setEnabled (false);	

 			actionEditCopy->setEnabled (true);

 			actionEditCut->setEnabled (true);	

 			actionEditPaste->setEnabled (false);	//FIXME

 			for (a=actionListBranches.first();a;a=actionListBranches.next())

 				a->setEnabled(false);

 			actionEditDelete->setEnabled (true);

 			actionEditToggleFloatExport->setOn

 				( ((FloatImageObj*)(selection))->getFloatExport() );

 		}

 	} else

 	{

 		standardFlagsDefault->setEnabled (false);

 		actionEditCopy->setEnabled (false);	

 		actionEditCut->setEnabled (false);	

 		actionEditPaste->setEnabled (false);	

 		for (a=actionListBranches.first();a;a=actionListBranches.next())

 			a->setEnabled(false);

 		actionEditOpenURL->setEnabled (false);

 		actionEditOpenVymLink->setEnabled (false);

 		actionEditDeleteVymLink->setEnabled (false);	

 		actionEditHeading2URL->setEnabled (false);	

 		actionEditDelete->setEnabled (false);

 		actionEditToggleFloatExport->setEnabled (false);

 	}	

 }

 void MapEditor::setLinkStyle (LinkStyle ls)

 {

 	linkstyle=ls;

 	setChanged();

 	saveState();

 	BranchObj *bo;

 	bo=mapCenter->first();

 	bo=bo->next();

 	while (bo) 

 	{

 		bo->setLinkStyle(bo->getDefLinkStyle());

 		bo=bo->next();

 	}

 	mapCenter->reposition();

 }

 LinkStyle MapEditor::getLinkStyle ()

 {

 	return linkstyle;

 }	

 void MapEditor::setLinkColor(QColor c)

 {

 	defLinkColor=c;

 	updateActions();

 }

 void MapEditor::setLinkColorHint()

 {

 	// called from setLinkColorHint(lch) or at end of parse

 	BranchObj *bo;

 	bo=mapCenter->first();

 	while (bo) 

 	{

 		bo->setLinkColor();

 		bo=bo->next();

 	}

 }

 void MapEditor::setLinkColorHint(LinkColorHint lch)

 {

 	linkcolorhint=lch;

 	setLinkColorHint();

 }

 void MapEditor::toggleLinkColorHint()

 {

 	if (linkcolorhint==HeadingColor)

 		linkcolorhint=DefaultColor;

 	else	

 		linkcolorhint=HeadingColor;

 	BranchObj *bo;

 	bo=mapCenter->first();

 	while (bo) 

 	{

 		bo->setLinkColor();

 		bo=bo->next();

 	}

 }

 LinkColorHint MapEditor::getLinkColorHint()

 {

 	return linkcolorhint;

 }

 QColor MapEditor::getDefLinkColor()

 {

 	return defLinkColor;

 }

 void MapEditor::setDefXLinkColor(QColor col)

 {

 	defXLinkColor=col;

 }

 QColor MapEditor::getDefXLinkColor()

 {

 	return defXLinkColor;

 }

 void MapEditor::setDefXLinkWidth (int w)

 {

 	defXLinkWidth=w;

 }

 int MapEditor::getDefXLinkWidth()

 {

 	return defXLinkWidth;

 }

 void MapEditor::selectLinkColor()

 {

 	// Finish open lineEdits

 	if (lineedit) finishedLineEditNoSave();

 	QColor col = QColorDialog::getColor( defLinkColor, this );

 	if ( !col.isValid() ) return;

 	setLinkColor( col );

 	setChanged();

 }

 void MapEditor::toggleScroll()

 {

 	if (selection && (typeid(*selection) == typeid(BranchObj)) )

 	{

 		BranchObj *bo=((BranchObj*)(selection));

 		if (bo->countBranches()==0) return;

 		if (bo->getDepth()==0) return;

 		setChanged();

 		saveState(PartOfMap,selection);

 		bo->toggleScroll();

 		adjustCanvasSize();

 		canvas()->update();

 	}

 }

 void MapEditor::unScrollAll()

 {

 	BranchObj *bo;

 	bo=mapCenter->first();

 	while (bo) 

 	{

 		if (bo->isScrolled()) bo->toggleScroll();

 		bo=bo->next();

 	}

 }

 void MapEditor::loadFloatImage ()

 {

 	if (selection && 

 		(typeid(*selection) == typeid(BranchObj)) || 

 		(typeid(*selection) == typeid(MapCenterObj))  )

 	{

 		BranchObj *bo=((BranchObj*)(selection));

 		QFileDialog *fd=new QFileDialog( this,tr("vym - load image"));

 		fd->addFilter (QString (tr("Images") + " (*.png *.bmp *.xbm *.jpg *.png *.xpm *.gif *.pnm)"));

 		ImagePreview *p =new ImagePreview (fd);

 		fd->setContentsPreviewEnabled( TRUE );

 		fd->setContentsPreview( p, p );

 		fd->setPreviewMode( QFileDialog::Contents );

 		fd->setCaption(tr("vym - Load image"));

 		fd->setDir (lastImageDir);

 		fd->show();

 		QString fn;

 		if ( fd->exec() == QDialog::Accepted )

 		{

 			setChanged();

 			saveState(PartOfMap,selection);

 			QString fn=fd->selectedFile();

 			lastImageDir=fn.left(fn.findRev ("/"));

 			bo->addFloatImage();

 			// FIXME check if load was successful

 			bo->getLastFloatImage()->load(fn);

 			bo->getLastFloatImage()->setOriginalFilename(fn);

 			mapCenter->reposition();

 			adjustCanvasSize();

 			canvas()->update();

 		}

 	}

 }

 void MapEditor::saveFloatImage (int item)

 {

 	if (selection && 

 		(typeid(*selection) == typeid(FloatImageObj)) )

 	{

 		FloatImageObj *fio=((FloatImageObj*)(selection));

 		const char* fmt = saveImageFormatMenu->text(item);

 		QFileDialog *fd=new QFileDialog( this, tr("vym - save image as") + fmt);

 		fd->addFilter ("PNG (*.png)");

 		fd->addFilter ("BMP (*.bmp)");

 		fd->addFilter ("XBM (*.xbm)");

 		fd->addFilter ("JPG (*.jpg)");

 		fd->addFilter ("XPM (*.xpm)");

 		fd->addFilter ("GIF (*.gif)");

 		fd->addFilter ("PNM (*.pnm)");

 		fd->addFilter (QString (tr("Images") + " (*.png *.bmp *.xbm *.jpg *.png *.xpm *.gif *.pnm)"));

 		fd->setCaption(tr("vym - Save image as ") + fmt);

 		fd->setMode( QFileDialog::AnyFile );

 		fd->setSelection (fio->getOriginalFilename());

 		fd->show();

 		QString fn;

 		if ( fd->exec() == QDialog::Accepted )

 		{

 			if (QFile (fd->selectedFile()).exists() )

 			{

 				QMessageBox mb( "VYM",

 					tr("The file ") + fd->selectedFile() + 

 					tr(" exists already. "

 					"Do you want to overwrite it?"),

 				QMessageBox::Warning,

 				QMessageBox::Yes | QMessageBox::Default,

 				QMessageBox::Cancel | QMessageBox::Escape,

 				QMessageBox::QMessageBox::NoButton );

 				mb.setButtonText( QMessageBox::Yes, tr("Overwrite") );

 				mb.setButtonText( QMessageBox::No, tr("Cancel"));

 				switch( mb.exec() ) 

 				{