#include "mapeditor.h"

#include <iostream>

#include <cstdlib>

#include <typeinfo>

#include <QObject>

#include "branchitem.h"

#include "mainwindow.h"

#include "misc.h"

#include "warningdialog.h"

extern int statusbarTime;

extern Main *mainWindow;

extern QString tmpVymDir;

extern QString clipboardDir;

extern QString clipboardFile;

extern bool clipboardEmpty;

extern bool debug;

extern QMenu* branchContextMenu;

extern QMenu* branchAddContextMenu;

extern QMenu* branchRemoveContextMenu;

extern QMenu* branchLinksContextMenu;

extern QMenu* branchXLinksContextMenuEdit;

extern QMenu* branchXLinksContextMenuFollow;

extern QMenu* floatimageContextMenu;

extern QMenu* canvasContextMenu;

extern Settings settings;

extern QString iconPath;

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

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

MapEditor::MapEditor( VymModel *vm) 

{

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

	mapScene= new QGraphicsScene(NULL);

	mapScene->setBackgroundBrush (QBrush(Qt::white, Qt::SolidPattern));

	zoomFactor=zoomFactorTarget=1;

	model=vm;

	model->setScene (mapScene);

	model->registerEditor(this);

	model->makeDefault();	// No changes in model so far

    setScene (mapScene);

    printer=NULL;

	// Create bitmap cursors, platform dependant

	HandOpenCursor=QCursor (QPixmap(iconPath+"cursorhandopen.png"),1,1);		

	PickColorCursor=QCursor ( QPixmap(iconPath+"cursorcolorpicker.png"), 5,27 ); 

	CopyCursor=QCursor ( QPixmap(iconPath+"cursorcopy.png"), 1,1 ); 

	XLinkCursor=QCursor ( QPixmap(iconPath+"cursorxlink.png"), 1,7 ); 

	//setFocusPolicy (Qt::StrongFocus);	//FIXME-3

	pickingColor=false;

	drawingLink=false;

	copyingObj=false;

    editingBO=NULL;

    movingObj=NULL;

	printFrame=true;

	printFooter=true;

	setAcceptDrops (true);	

	//model->reposition();	//FIXME-3 really still needed?

	// Shortcuts and actions

	QAction *a;

    a = new QAction("Select upper branch", this);

	a->setShortcut (Qt::Key_Up );

	a->setShortcutContext (Qt::WidgetShortcut);

	addAction (a);

    connect( a, SIGNAL( triggered() ), this, SLOT( cursorUp() ) );

    a = new QAction( "Select lower branch",this);

	a->setShortcut ( Qt::Key_Down );

	a->setShortcutContext (Qt::WidgetShortcut);

	addAction (a);

    connect( a, SIGNAL( triggered() ), this, SLOT( cursorDown() ) );

    a = new QAction( "Select left branch", this);

	a->setShortcut (Qt::Key_Left );

//	a->setShortcutContext (Qt::WindowShortcut);

	a->setShortcutContext (Qt::WidgetWithChildrenShortcut);

	addAction (a);

    connect( a, SIGNAL( triggered() ), this, SLOT( cursorLeft() ) );

    a = new QAction( "Select child branch", this);

	a->setShortcut (Qt::Key_Right);

	a->setShortcutContext (Qt::WidgetWithChildrenShortcut);

	addAction (a);

    connect( a, SIGNAL( triggered() ), this, SLOT( cursorRight() ) );

    a = new QAction(  "Select first branch", this);

	a->setShortcut (Qt::Key_Home );

	a->setShortcutContext (Qt::WidgetWithChildrenShortcut);

	addAction (a);

    connect( a, SIGNAL( triggered() ), this, SLOT( cursorFirst() ) );

    a = new QAction( "Select last branch",this);

	a->setShortcut ( Qt::Key_End );

	a->setShortcutContext (Qt::WidgetWithChildrenShortcut);

	addAction (a);

    connect( a, SIGNAL( triggered() ), this, SLOT( cursorLast() ) );

	// Action to embed LineEdit for heading in Scene

	editingHeading=false;

	lineEdit=new QLineEdit;

	lineEdit->hide();

	QGraphicsProxyWidget *pw=scene()->addWidget (lineEdit);

	pw->setZValue (Z_LINEEDIT);

	a = new QAction( tr( "Edit heading","MapEditor" ), this);

	a->setShortcut ( Qt::Key_Return );					//Edit heading

	addAction (a);

    connect( a, SIGNAL( triggered() ), this, SLOT( editHeading() ) );

	a = new QAction( tr( "Edit heading","MapEditor" ), this);

	a->setShortcut ( Qt::Key_Enter);					//Edit heading

	addAction (a);

    connect( a, SIGNAL( triggered() ), this, SLOT( editHeading() ) );

	// Selections

	selectionColor =QColor (255,255,0);

	// Attributes	//FIXME-2 testing only...

	QString k;

	AttributeDef *ad;

	attrTable= new AttributeTable();

	k="A - StringList";

	ad=attrTable->addKey (k,StringList);

	if (ad)

	{

		QStringList sl;

		sl <<"val 1"<<"val 2"<< "val 3";

		ad->setValue (QVariant (sl));

	}

	//attrTable->addValue ("Key A","P 1");

	//attrTable->addValue ("Key A","P 2");

	//attrTable->addValue ("Key A","P 3");

	//attrTable->addValue ("Key A","P 4");

	k="B - FreeString";

	ad=attrTable->addKey (k,FreeString);

	if (ad)

	{

		//attrTable->addValue ("Key B","w1");

		//attrTable->addValue ("Key B","w2");

	}

	k="C - UniqueString";

	ad=attrTable->addKey (k,UniqueString);

	if (ad)

	{

	//attrTable->addKey ("Key Prio");

	//attrTable->addValue ("Key Prio","Prio 1");

	//attrTable->addValue ("Key Prio","Prio 2");

	}

}

MapEditor::~MapEditor()

{

	//cout <<"Destructor MapEditor for "<<model->getMapName().toStdString()<<endl;

	model->unregisterEditor(this);

}

VymModel* MapEditor::getModel()

{

    return model;

}

QGraphicsScene * MapEditor::getScene()

{

    return mapScene;

}

void MapEditor::scrollTo (const QModelIndex &index)

{

	if (index.isValid())

	{

		LinkableMapObj* lmo=(static_cast<TreeItem*>(index.internalPointer()))->getLMO();

		if (lmo) setScrollBarPosTarget (lmo->getBBox() );

	}

}

void MapEditor::setScrollBarPosTarget (const QRectF &rect)

{

	// Code copied from Qt sources

	int xmargin=50;

	int ymargin=50;

    qreal width = viewport()->width();

    qreal height = viewport()->height();

    QRectF viewRect = matrix().mapRect(rect);

    qreal left = horizontalScrollBar()->value();

    qreal right = left + width;

    qreal top = verticalScrollBar()->value();

    qreal bottom = top + height;

    if (viewRect.left() <= left + xmargin) {

        // need to scroll from the left

  //      if (!d->leftIndent)

            scrollBarPosTarget.setX(int(viewRect.left() - xmargin - 0.5));

    }

    if (viewRect.right() >= right - xmargin) {

        // need to scroll from the right

//        if (!d->leftIndent)

            scrollBarPosTarget.setX(int(viewRect.right() - width + xmargin + 0.5));

    }

    if (viewRect.top() <= top + ymargin) {

        // need to scroll from the top

   //     if (!d->topIndent)

            scrollBarPosTarget.setY(int(viewRect.top() - ymargin - 0.5));

    }

    if (viewRect.bottom() >= bottom - ymargin) {

        // need to scroll from the bottom

//        if (!d->topIndent)

            scrollBarPosTarget.setY(int(viewRect.bottom() - height + ymargin + 0.5));

    }

	if (scrollBarPosAnimation.state()==QtAbstractAnimation::Running)

		scrollBarPosAnimation.stop();

	scrollBarPosAnimation.setTargetObject (this);

	scrollBarPosAnimation.setPropertyName ("scrollBarPos");

	scrollBarPosAnimation.setDuration(1000);

	scrollBarPosAnimation.setEasingCurve ( QtEasingCurve::OutQuint);

	scrollBarPosAnimation.setStartValue(

		QPointF (horizontalScrollBar()->value() ,

		         verticalScrollBar()->value() ) );

	scrollBarPosAnimation.setEndValue(scrollBarPosTarget);

	scrollBarPosAnimation.start();

}

QPointF MapEditor::getScrollBarPosTarget()

{

    return scrollBarPosTarget;

}

void MapEditor::setScrollBarPos(const QPointF &p)

{

    scrollBarPos=p;

	horizontalScrollBar()->setValue(int(p.x()));

	verticalScrollBar()->setValue(int(p.y()));

}

QPointF MapEditor::getScrollBarPos()

{

    return scrollBarPos;

}

void MapEditor::setZoomFactorTarget (const qreal &zft)

{

	zoomFactorTarget=zft;

	if (zoomAnimation.state()==QtAbstractAnimation::Running)

		zoomAnimation.stop();

	//zoomAnimation=QtPropertyAnimation(this, "zoomFactor");

	zoomAnimation.setTargetObject (this);

	zoomAnimation.setPropertyName ("zoomFactor");

	zoomAnimation.setDuration(1000);

	zoomAnimation.setEasingCurve ( QtEasingCurve::OutQuint);

	zoomAnimation.setStartValue(zoomFactor);

	zoomAnimation.setEndValue(zft);

	zoomAnimation.start();

}

qreal MapEditor::getZoomFactorTarget()

{

    return zoomFactorTarget;

}

void MapEditor::setZoomFactor(const qreal &zf)

{

    zoomFactor=zf;

	setMatrix (QMatrix(zf, 0, 0, zf, 0, 0),false );

}

qreal MapEditor::getZoomFactor()

{

    return zoomFactor;

}

void MapEditor::print()

{

	if ( !printer ) 

	{

		printer = new QPrinter;

		printer->setColorMode (QPrinter::Color);

		printer->setPrinterName (settings.value("/mainwindow/printerName",printer->printerName()).toString());

		printer->setOutputFormat((QPrinter::OutputFormat)settings.value("/mainwindow/printerFormat",printer->outputFormat()).toInt());

		printer->setOutputFileName(settings.value("/mainwindow/printerFileName",printer->outputFileName()).toString());

	}

	QRectF totalBBox=model->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);

		pp.setRenderHint(QPainter::Antialiasing,true);

		// Don't print the visualisation of selection

		model->unselect();

		QRectF mapRect=totalBBox;

		QGraphicsRectItem *frame=NULL;

		if (printFrame) 

		{

			// Print frame around map

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

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

			frame=mapScene->addRect (mapRect, QPen(Qt::black),QBrush(Qt::NoBrush));

			frame->setZValue(0);

			frame->show();    

		}		

		double paperAspect = (double)printer->width()   / (double)printer->height();

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

		int viewBottom;

		if (mapAspect>=paperAspect)

		{

			// Fit horizontally to paper width

			//pp.setViewport(0,0, printer->width(),(int)(printer->width()/mapAspect) );	

			viewBottom=(int)(printer->width()/mapAspect);	

		}	else

		{

			// Fit vertically to paper height

			//pp.setViewport(0,0,(int)(printer->height()*mapAspect),printer->height());	

			viewBottom=printer->height();	

		}	

		if (printFooter) 

		{

			// Print footer below map

			QFont font;		

			font.setPointSize(10);

			pp.setFont (font);

			QRectF footerBox(0,viewBottom,printer->width(),15);

			// FIXME-3 fileName not any longer available here: pp.drawText ( footerBox,Qt::AlignLeft,"VYM - " +fileName);

			pp.drawText ( footerBox, Qt::AlignRight, QDate::currentDate().toString(Qt::TextDate));

		}

		mapScene->render (

			&pp, 

			QRectF (0,0,printer->width(),printer->height()-15),

			QRectF(mapRect.x(),mapRect.y(),mapRect.width(),mapRect.height())

		);

		// Viewport has paper dimension

		if (frame)  delete (frame);

		// Restore selection

		model->reselect();

		// Save settings in vymrc

		settings.writeEntry("/mainwindow/printerName",printer->printerName());

		settings.writeEntry("/mainwindow/printerFormat",printer->outputFormat());

		settings.writeEntry("/mainwindow/printerFileName",printer->outputFileName());

	}

}

void MapEditor::setAntiAlias (bool b)

{

	setRenderHint(QPainter::Antialiasing,b);

}

void MapEditor::setSmoothPixmap(bool b)

{

	setRenderHint(QPainter::SmoothPixmapTransform,b);

}

TreeItem* MapEditor::findMapItem (QPointF p,TreeItem *exclude)

{

	// Start with mapcenter, no images allowed at rootItem

	int i=0;

	BranchItem *bi=model->getRootItem()->getFirstBranch();

	TreeItem *found=NULL;

	while (bi)

	{

		found=bi->findMapItem (p, exclude);

		if (found) return found;

		i++;

		bi=model->getRootItem()->getBranchNum(i);

	}

	return NULL;

}

AttributeTable* MapEditor::attributeTable()

{

	return attrTable;

}

void MapEditor::testFunction1()

{

	// Code copied from Qt sources

	QRectF rect=model->getSelectedBranchObj()->getBBox();

	int xmargin=50;

	int ymargin=50;

    qreal width = viewport()->width();

    qreal height = viewport()->height();

    QRectF viewRect = matrix().mapRect(rect);

    qreal left = horizontalScrollBar()->value();

    qreal right = left + width;

    qreal top = verticalScrollBar()->value();

    qreal bottom = top + height;

    if (viewRect.left() <= left + xmargin) {

        // need to scroll from the left

  //      if (!d->leftIndent)

            horizontalScrollBar()->setValue(int(viewRect.left() - xmargin - 0.5));

    }

    if (viewRect.right() >= right - xmargin) {

        // need to scroll from the right

//        if (!d->leftIndent)

            horizontalScrollBar()->setValue(int(viewRect.right() - width + xmargin + 0.5));

    }

    if (viewRect.top() <= top + ymargin) {

        // need to scroll from the top

   //     if (!d->topIndent)

            verticalScrollBar()->setValue(int(viewRect.top() - ymargin - 0.5));

    }

    if (viewRect.bottom() >= bottom - ymargin) {

        // need to scroll from the bottom

//        if (!d->topIndent)

            verticalScrollBar()->setValue(int(viewRect.bottom() - height + ymargin + 0.5));

    }

	cout << "test1:  hor="<<horizontalScrollBar()->value()<<endl;

	cout << "test1:  ver="<<verticalScrollBar()->value()<<endl;

}

/*

	 QtPropertyAnimation *animation=new QtPropertyAnimation(this, "sceneRect");

	 animation->setDuration(5000);

	 //animation->setEasingCurve ( QtEasingCurve::OutElastic);

	 animation->setEasingCurve ( QtEasingCurve::OutQuint);

	 animation->setStartValue(sceneRect() );

	 animation->setEndValue(QRectF(50, 50, 1000, 1000));

	 animation->start();

*/	 

/*

	QDialog *dia= new QDialog (this);

	dia->setGeometry (50,50,10,10);

     dia->show();

     dia ->raise();

	 QtPropertyAnimation *animation=new QtPropertyAnimation(dia, "geometry");

	 animation->setDuration(1000);

	 //animation->setEasingCurve ( QtEasingCurve::OutElastic);

	 animation->setEasingCurve ( QtEasingCurve::OutQuint);

	 animation->setStartValue(QRect(50, 50, 10, 10));

	 animation->setEndValue(QRect(250, 250, 100, 100));

	 animation->start();

 */

/* TODO Hide hidden stuff temporary, maybe add this as regular function somewhere

	if (hidemode==HideNone)

	{

		setHideTmpMode (HideExport);

		mapCenter->calcBBoxSizeWithChilds();

		QRectF totalBBox=mapCenter->getTotalBBox();

		QRectF mapRect=totalBBox;

		QCanvasRectangle *frame=NULL;

		cout << "  map has =("<<totalBBox.x()<<","<<totalBBox.y()<<","<<totalBBox.width()<<","<<totalBBox.height()<<")\n";

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

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

		frame=new QCanvasRectangle (mapRect,mapScene);

		frame->setBrush (QColor(white));

		frame->setPen (QColor(black));

		frame->setZValue(0);

		frame->show();    

	}	

	else	

	{

		setHideTmpMode (HideNone);

	}	

	cout <<"  hidemode="<<hidemode<<endl;

	*/

void MapEditor::testFunction2()

{

/*

	// Toggle hidemode

	if (hidemode==HideExport)

		setHideTmpMode (HideNone);

	else	

		setHideTmpMode (HideExport);

*/		

}

void MapEditor::cursorUp()

{

	model->selectUpperBranch();

}

void MapEditor::cursorDown()	

{

	model->selectLowerBranch();

}

void MapEditor::cursorLeft()

{

	model->selectLeftBranch();

}

void MapEditor::cursorRight()	

{

	model->selectRightBranch();

}

void MapEditor::cursorFirst()	

{

	model->selectFirstBranch();

}

void MapEditor::cursorLast()	

{

	model->selectLastBranch();

}

void MapEditor::editHeading()

{

	if (editingHeading)

	{

		editHeadingFinished();

		return;

	}

	BranchObj *bo=model->getSelectedBranchObj();

	BranchItem *bi=model->getSelectedBranchItem();

	if (bo)	//FIXME-3

	{

		model->setSelectionBlocked(true);

		lineEdit->setText (bi->getHeading());

		QPoint p = mapTo (this,bo->getAbsPos().toPoint() );

		lineEdit->setGeometry(p.x(),p.y(),230,25);

		lineEdit->selectAll();

		lineEdit->show();

		lineEdit->setFocus();

		lineEdit->grabKeyboard();

		editingHeading=true;

	}

}

void MapEditor::editHeadingFinished()

{

	editingHeading=false;

	lineEdit->releaseKeyboard();

	model->setHeading (lineEdit->text() );

	model->setSelectionBlocked(false);

	lineEdit->hide();

	// Maybe reselect previous branch 

	mainWindow->editHeadingFinished (model);

}

void MapEditor::contextMenuEvent ( QContextMenuEvent * e )

{

	// Lineedits are already closed by preceding

	// mouseEvent, we don't need to close here.

    QPointF p = mapToScene(e->pos());

    TreeItem *ti=findMapItem (p, NULL);

    LinkableMapObj* lmo=NULL;

	if (ti) lmo=ti->getLMO();	//FIXME-2 get rid of lmo...

    if (lmo) 

	{	// MapObj was found

		if (model->getSelectedLMO() != lmo)

		{

			// select the MapObj

			model->select(lmo);

		}

		// Context Menu 

		if (model->getSelectedBranchObj() ) 

		{

			// Context Menu on branch or mapcenter

			//FIXME-3 model->updateActions(); needed?

			branchContextMenu->popup(e->globalPos() );

		} else

		{

			if (model->getSelectedFloatImage() )

			{

				// Context Menu on floatimage

				// model->updateActions(); FIXME-3 needed?

				floatimageContextMenu->popup(e->globalPos() );

			}	

		}	

	} else 

	{ // No MapObj found, we are on the Canvas itself

		// Context Menu on scene

		// model->updateActions(); FIXME-3 needed?

		// Open context menu synchronously to position new mapcenter

		model->setContextPos (p);

		canvasContextMenu->exec(e->globalPos() );

		model->unsetContextPos ();

    } 

	e->accept();

}

void MapEditor::keyPressEvent(QKeyEvent* e)

{

	if (e->modifiers() & Qt::ControlModifier)

	{

		switch (mainWindow->getModMode())

		{

			case Main::ModModeColor: 

				setCursor (PickColorCursor);

				break;

			case Main::ModModeCopy: 

				setCursor (CopyCursor);

				break;

			case Main::ModModeXLink: 

				setCursor (XLinkCursor);

				break;

			default :

				setCursor (Qt::ArrowCursor);

				break;

		} 

	}	

}

void MapEditor::keyReleaseEvent(QKeyEvent* e)

{

	if (!(e->modifiers() & Qt::ControlModifier))

		setCursor (Qt::ArrowCursor);

}

void MapEditor::mousePressEvent(QMouseEvent* e)

{

	// Ignore right clicks, these will go to context menus

	if (e->button() == Qt::RightButton )

	{

		e->ignore();

		return;

	}

	//Ignore clicks while editing heading

	if (model->isSelectionBlocked() ) 

	{

		e->ignore();

		return;

	}

    QPointF p = mapToScene(e->pos());

    TreeItem *ti=findMapItem (p, NULL);

    LinkableMapObj* lmo=NULL;

	if (ti) lmo=ti->getLMO();	//FIXME-2 get rid of lmo...

	e->accept();

	//Take care of  system flags _or_ modifier modes

	//

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

		typeid(*lmo)==typeid(MapCenterObj) ))

	{

		QString foname=((BranchObj*)lmo)->getSystemFlagName(p);

		if (!foname.isEmpty())

		{

			// systemFlag clicked

			model->select (lmo);	// FIXME-3 was selectInt

			if (foname=="url") 

			{

				if (e->state() & Qt::ControlModifier)

					mainWindow->editOpenURLTab();

				else	

					mainWindow->editOpenURL();

			}	

			else if (foname=="vymLink")

			{

				mainWindow->editOpenVymLink();

				// tabWidget may change, better return now

				// before segfaulting...

			} else if (foname=="note")

				mainWindow->windowToggleNoteEditor();

			else if (foname=="hideInExport")		

				model->toggleHideExport();

			// FIXME-3 needed? xelection.update();	

			return;	

		} 

	}	

	// No system flag clicked, take care of modmodes (CTRL-Click)

	if (e->state() & Qt::ControlModifier)

	{

		if (mainWindow->getModMode()==Main::ModModeColor)

		{

				pickingColor=true;

				setCursor (PickColorCursor);

				return;

		} 

		if (mainWindow->getModMode()==Main::ModModeXLink)

		{	

			BranchObj *bo_begin=NULL;

			if (lmo)

				bo_begin=(BranchObj*)(lmo);

			else	

				bo_begin=model->getSelectedBranchObj();

			if (bo_begin)	

			{

				drawingLink=true;

				linkingObj_src=bo_begin;

				tmpXLink=new XLinkObj (mapScene);

				tmpXLink->setBegin (bo_begin);

				tmpXLink->setEnd   (p);

				tmpXLink->setColor(model->getMapDefXLinkColor());

				tmpXLink->setWidth(model->getMapDefXLinkWidth());

				tmpXLink->updateXLink();

				tmpXLink->setVisibility (true);

				return;

			} 

		}

	}	// End of modmodes

    if (lmo) 

	{	

	/*

		cout << "ME::mouse pressed\n";

		cout << "  lmo="<<lmo<<endl;

		cout << "  h="<<((BranchObj*)lmo)->getHeading().toStdString()<<endl;

	*/

		// Select the clicked object

		// FIXME-2 VM better let "find" return an index instead of lmo...

		// Get index of clicked LMO

		TreeItem *ti=lmo->getTreeItem();

		/*

		cout << "  lmo="<<lmo<<"    lmo(ti)="<<ti->getLMO()<<endl;

		cout << "  ti ("<<ti->row()<<","<<ti->column()<<") = "<<ti<<endl;

		*/

		//QModelIndex ix=model->index( ti->row(), ti->column(), model->index (0,0,QModelIndex()) );

		model->select (ti);

		// Left Button	    Move Branches

		if (e->button() == Qt::LeftButton )

		{

			//movingObj_start.setX( p.x() - selection->x() );// TODO replaced selection->lmo here	

			//movingObj_start.setY( p.y() - selection->y() );	

			movingObj_start.setX( p.x() - lmo->x() );	

			movingObj_start.setY( p.y() - lmo->y() );	

			movingObj_orgPos.setX (lmo->x() );

			movingObj_orgPos.setY (lmo->y() );

			lmo->setRelPos();

			movingObj_orgRelPos=lmo->getRelPos();

			// If modMode==copy, then we want to "move" the _new_ object around

			// then we need the offset from p to the _old_ selection, because of tmp

			if (mainWindow->getModMode()==Main::ModModeCopy &&

				e->state() & Qt::ControlModifier)

			{

				BranchItem *bi=model->getSelectedBranchItem();

				if (bi)

				{

					copyingObj=true;

					//FIXME-2   TreeItem::addBranch (BranchItem still missing) 

					//bi->addBranch (model->getSelectedBranchItem());

					model->unselect();

					model->select(bi->getLastBranch());

					model->reposition();

				}

			} 

			movingObj=model->getSelectedLMO();	

		} else

			// Middle Button    Toggle Scroll

			// (On Mac OS X this won't work, but we still have 

			// a button in the toolbar)

			if (e->button() == Qt::MidButton )

				model->toggleScroll();

		// model->updateActions(); FIXME-3 needed?

		// FIXME-3 needed? xelection.update();

	} else 

	{ // No MapObj found, we are on the scene itself

		// Left Button	    move Pos of sceneView

		if (e->button() == Qt::LeftButton )

		{

			movingObj=NULL;	// move Content not Obj

			movingObj_start=e->globalPos();

			movingCont_start=QPointF (

				horizontalScrollBar()->value(),

				verticalScrollBar()->value());

			movingVec=QPointF(0,0);

			setCursor(HandOpenCursor);

		} 

    } 

}

void MapEditor::mouseMoveEvent(QMouseEvent* e)

{

    QPointF p = mapToScene(e->pos());

	TreeItem *seli=model->getSelectedItem();

	LinkableMapObj* lmosel=NULL;		//FIXME-2 get rid of lmosel

	if (seli)

		lmosel=seli->getLMO();

    // Move the selected MapObj

    if ( lmosel && movingObj) 

    {	

		// reset cursor if we are moving and don't copy

		if (mainWindow->getModMode()!=Main::ModModeCopy)

			setCursor (Qt::ArrowCursor);

		// To avoid jumping of the sceneView, only 

		// show selection, if not tmp linked

		if (!lmosel->hasParObjTmp())

			model->emitShowSelection();

		// Now move the selection, but add relative position 

		// (movingObj_start) where selection was chosen with 

		// mousepointer. (This avoids flickering resp. jumping 

		// of selection back to absPos)

		// Check if we could link 

		TreeItem *dsti=findMapItem (p, seli);

		LinkableMapObj* dst=NULL;

		if (dsti && dsti!=seli && dsti->isBranchLikeType())

			dst=dsti->getLMO(); //FIXME-2 get rid of lmo...

		else

			dsti=NULL;

		FloatObj *fio=model->getSelectedFloatImage();

		if (fio)

		{

			fio->move   (p.x() -movingObj_start.x(), p.y()-movingObj_start.y() );		

			fio->setRelPos();

			fio->updateLink(); //no need for reposition, if we update link here

			model->updateSelection();	// position has changed

			// Relink float to new mapcenter or branch, if shift is pressed	

			// Only relink, if selection really has a new parent

			if ( (e->modifiers()==Qt::ShiftModifier) && dst && ( dst != fio->getParObj())  

				)

			{

				if (typeid(*fio) == typeid(FloatImageObj) )  

				{

					// Also save the move which was done so far

					QString pold=qpointfToString(movingObj_orgRelPos);

					QString pnow=qpointfToString(fio->getRelPos());

					model->saveState(

						fio->getTreeItem(),  // FIXME-3 

						"moveRel "+pold,

						fio->getTreeItem(),

						"moveRel "+pnow,

						QString("Move %1 to relative position %2").arg(model->getObjectName(fio)).arg(pnow));

					fio->getParObj()->requestReposition();

					model->reposition();

					model->linkFloatImageTo (model->getSelectString(dst));

					//movingObj=lmosel;

					//movingObj_orgRelPos=lmosel->getRelPos();	

					model->reposition();

				}	

			}

		} else	

		{	// selection != a FloatObj

			if (seli->depth()==0)		//FIXME-1 also moved mapcenters could be linked, but not working here...

			{

				// Move MapCenter

				if (e->buttons()== Qt::LeftButton && e->modifiers()==Qt::ShiftModifier) 

					((MapCenterObj*)lmosel)->moveAll(p.x() -movingObj_start.x(), p.y()-movingObj_start.y() );		

				else	

					lmosel->move   (p.x() -movingObj_start.x(), p.y()-movingObj_start.y() );		

				model->updateRelPositions();

			} else

			{	

				if (seli->depth()==1)

				{

					// Move mainbranch

					lmosel->move(p.x() -movingObj_start.x(), p.y()-movingObj_start.y() );		

					lmosel->setRelPos();

				} else

				{

					// Move ordinary branch

					if (lmosel->getOrientation() == LinkableMapObj::LeftOfCenter)

						// Add width of bbox here, otherwise alignRelTo will cause jumping around

						lmosel->move(p.x() -movingObj_start.x() , //lmosel->getBBox().width(), 

							p.y()-movingObj_start.y() +lmosel->getTopPad() );		

					else	

						lmosel->move(p.x() -movingObj_start.x(), p.y()-movingObj_start.y() -lmosel->getTopPad());

					lmosel->setRelPos();	

				} 

				// Maybe we can relink temporary?

				if (dsti)

				{

					if (e->modifiers()==Qt::ControlModifier)

					{

						// Special case: CTRL to link below dst

						lmosel->setParObjTmp (dst,p,+1);

					}

					else if (e->modifiers()==Qt::ShiftModifier)

						lmosel->setParObjTmp (dst,p,-1);

					else

						lmosel->setParObjTmp (dst,p,0);

				} else	

				{

					lmosel->unsetParObjTmp();

				}		

				// reposition subbranch

				lmosel->reposition();	

			} // depth>0

			QItemSelection sel=model->getSelectionModel()->selection();

			updateSelection(sel,sel);	// position has changed

		} // no FloatImageObj

		scene()->update();

		return;

	} // selection && moving_obj

	// Draw a link from one branch to another

	if (drawingLink)

	{

		 tmpXLink->setEnd (p);

		 tmpXLink->updateXLink();

	}	 

    // Move sceneView 

    if (!movingObj && !pickingColor &&!drawingLink && e->buttons() == Qt::LeftButton ) 

	{

		QPointF p=e->globalPos();

		movingVec.setX(-p.x() + movingObj_start.x() );

		movingVec.setY(-p.y() + movingObj_start.y() );

		horizontalScrollBar()->setSliderPosition((int)( movingCont_start.x()+movingVec.x() ));

		verticalScrollBar()->setSliderPosition((int)( movingCont_start.y()+movingVec.y() ) );

    }

}

void MapEditor::mouseReleaseEvent(QMouseEvent* e)

{

    QPointF p = mapToScene(e->pos());

	TreeItem *seli=model->getSelectedItem();

	TreeItem *dsti=NULL;

	if (seli) dsti=findMapItem(p, seli);

	LinkableMapObj* dst=NULL;

	if (dsti && dsti->isBranchLikeType ()) 

		dst=dsti->getLMO();	//FIXME-2 get rid of dst...

	else

		dsti=NULL;

	// Have we been picking color?

	if (pickingColor)

	{

		pickingColor=false;

		setCursor (Qt::ArrowCursor);

		// Check if we are over another branch

		if (dst) 

		{	

			if (e->state() & Qt::ShiftModifier)

				model->colorBranch (((BranchObj*)dst)->getColor());

			else	

				model->colorSubtree (((BranchObj*)dst)->getColor());