#include "flagrowobj.h"

 #include <QToolBar>

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

 // FlagRowObj

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

 FlagRowObj::FlagRowObj()

 {

 //    cout << "Const FlagRowObj ()\n";

     init ();

 }

 FlagRowObj::FlagRowObj(QGraphicsScene* s):MapObj(s) 

 {

 //    cout << "Const FlagRowObj (s)\n";

     init ();

 }

 FlagRowObj::~FlagRowObj()

 {

 	//cout << "Destr FlagRowObj\n";

 	while (!flag.isEmpty())

 		delete (flag.takeFirst() );

 }

 void FlagRowObj::init ()

 {

 	parentRow=NULL;

 	showFlags=true;

 }

 void FlagRowObj::copy (FlagRowObj* other)

 {

     MapObj::copy(other);

 	parentRow=other->parentRow;

 	flag.clear();

 	for (int i=0; i<flag.size(); ++i)

 		addFlag (flag.at(i));

 }

 void FlagRowObj::clone (FlagRowObj* pr)

 {

 	// Difference to copy:

 	// We don't copy the flags here, they

 	// are created on the fly by toggle and activate

 	// This saves lots of canvas objects.

 	MapObj::copy(pr);

 	flag.clear();

 	parentRow=pr;

 }

 void FlagRowObj::move(double x, double y)

 {

     MapObj::move(x,y);

 	qreal dx=0;

 	for (int i=0; i<flag.size(); ++i)

 	{

 		flag.at(i)->move(x+dx,y);

 		dx+=QSizeF(flag.at(i)->getSize() ).width();

 	}

 }

 void FlagRowObj::moveBy(double x, double y)

 {

     move (x+absPos.x(),y+absPos.y() );

 }

 void FlagRowObj::setVisibility (bool v)

 {

 	MapObj::setVisibility(v);

 	for (int i=0; i<flag.size(); ++i)

 		flag.at(i)->setVisibility (v);

 }

 FlagObj* FlagRowObj::addFlag (FlagObj *fo)

 {

 	FlagObj *newfo=new FlagObj (scene);

 	newfo->copy (fo);	// create a deep copy of fo

 	newfo->move (absPos.x() + bbox.width(), absPos.y() );

 	flag.append(newfo);

 	calcBBoxSize();

 	positionBBox();

 	return newfo;

 }

 void FlagRowObj::positionBBox()

 {

     bbox.moveTopLeft(absPos );

     clickBox.moveTopLeft(absPos );

 }

 void FlagRowObj::calcBBoxSize()

 {

 	QSizeF size(0,0);

 	QSizeF boxsize(0,0);

 	for (int i=0; i<flag.size(); ++i)

 	{

 		size=flag.at(i)->getSize();

 		// add widths

 		boxsize.setWidth(boxsize.width() + size.width() );

 		// maximize height

 		if (size.height() > boxsize.height() ) 

 			boxsize.setHeight(size.height() );

 	}

 	bbox.setSize (boxsize);

 	clickBox.setSize (boxsize);

 }

 QString FlagRowObj::getFlagName (const QPointF &p)

 {

 	if (!inBox (p)) return "";

 	for (int i=0; i<flag.size(); ++i)

 		if (flag.at(i)->inBox (p)) return flag.at(i)->getName();

 	return "";	

 }

 bool FlagRowObj::isActive (const QString &foname)

 {

 	FlagObj *fo=findFlag (foname);

 	if (parentRow && fo)

 		return fo->isActive();

 	else

 		if (fo) return true;

 	return false;

 }

 void FlagRowObj::toggle (const QString &foname, bool exclusive)

 {

 	FlagObj *fo=findFlag (foname);

 	if (fo)

 	{

 		// FlagObj is here, it will be active, too.

 		// Deactivate it by removing it from this row.

 		flag.remove (fo);

 		delete (fo);

 	} else

 	{

 		// FlagObj is not present in this row.

 		// Copy it from parentRow

 		fo=parentRow->findFlag (foname);

 		if (fo)

 		{

 			fo=addFlag (fo);

 			fo->activate();

 			if (exclusive) 

 			{

 				deactivateGroup (fo);

 				updateToolbar();

 			}

 		} else

 			qWarning ("FlagRowObj ("+name+")::toggle ("+foname+")  failed - could not find it in parentRow");

 	}	

 	calcBBoxSize();

 	positionBBox();	

 }

 void FlagRowObj::activate (const QString &foname)

 {

 	// Note: "activate" is also called during loading of a map

 	// Here we do not check for exclusive flags!

 	FlagObj *fo=findFlag (foname);

 	if (parentRow)

 	{

 		if (!fo)

 		{

 			// FlagObj is not present in this row.

 			// Copy it from parentRow and activate there

 			fo=parentRow->findFlag (foname);

 			if (fo)

 			{

 				fo=addFlag (fo);

 				fo->activate();

 				if (showFlags) 

 					fo->setVisibility (visible);

 				else

 					fo->setVisibility (false);

 				calcBBoxSize();

 			} else

 				qWarning ("FlagRowObj ("+name+")::activate ("+foname+")  failed - could not find it in parentRow");

 		}	

 	} else

 	{

 		// I am the parentRow, mark flag as used

 		if (fo)

 		{

 			fo->setUsed(true);

 			fo->activate();

 		}	

 		else

 			qWarning ("FlagRowObj::activate no FlagObj \""+foname+"\" found in parentRow");

 	}

 }

 void FlagRowObj::deactivate (const QString &foname)

 {

 	FlagObj *fo=findFlag (foname);

 	if (fo) 

 	{

 		flag.remove(fo);

 		delete (fo);

 	}	

 	calcBBoxSize();

 	positionBBox();

 }

 void FlagRowObj::deactivateAll ()

 {

 	if (!parentRow)

 	{

 		for (int i=0; i<flag.size(); ++i)

 			if (flag.at(i)->isActive()) flag.at(i)->deactivate();

 	} else

 	{

 		while (!flag.isEmpty())

 			delete flag.takeFirst();

 		calcBBoxSize();

 		positionBBox();

 	}

 }

 void FlagRowObj::deactivateGroup (FlagObj *keepfo)

 {

 	// deactivate all flags in keepof, but keep keepfo [sic!]

 	if (keepfo)

 	{

 		QString g=keepfo->getGroup();

 		if (g!="undefined")

 		{

 			for (int i=0; i<flag.size(); ++i)

 				if (g==flag.at(i)->getGroup() && keepfo!=flag.at(i)) 

 				{

 					FlagObj *fo=flag.at(i);

 					flag.remove (fo);

 					delete (fo);

 				}	

 		}		

 	}	

 }

 void FlagRowObj::setToolBar(QToolBar *tb)

 {

 	toolbar=tb;

 }

 void FlagRowObj::setEnabled (bool b)

 {

 	if (toolbar)

 	{

 		toolbar->setEnabled (b);

 	}

 }

 void FlagRowObj::setShowFlags (bool b)

 {

 	showFlags=b;

 }

 void FlagRowObj::resetUsedCounter()

 {

 	for (int i=0; i<flag.size(); ++i)

 		flag.at(i)->setUsed (false);

 }

 QString FlagRowObj::saveToDir (const QString &tmpdir,const QString &prefix, bool writeflags)

 {

 	// Build xml string

 	QString s;

 	if (parentRow)

 		for (int i=0; i<flag.size(); ++i)

 		{

 			// save flag to xml, if flag is set 

 			s+=valueElement("standardflag",flag.at(i)->getName() );

 			// and tell parentRow, that this flag is used

 			parentRow->activate(flag.at(i)->getName() );

 		}	

 	else

 		// Save icons to dir, if verbose is set (xml export)

 		// and I am a parentRow 

 		// and this flag is really used somewhere

 		if (writeflags)

 			for (int i=0; i<flag.size(); ++i)

 				if (flag.at(i)->isUsed()) flag.at(i)->saveToDir (tmpdir,prefix);

 	return s;		

 }

 void FlagRowObj::setName (const QString &n)

 {

 	name=n;

 }

 void  FlagRowObj::updateToolbar()

 {

 	if (parentRow)

 	{

 		// We are just a branch, not the toolbar default

 		// but state has to be copied from ourselves to parentrow!

 		parentRow->deactivateAll();

 		// In parentRow activate all existing (==active) flags

 		for (int i=0; i<flag.size(); ++i)

 			parentRow->activate(flag.at(i)->getName());

 		parentRow->updateToolbar();	

 	} else

 	{

 		// We are the toolbar default

 		if (toolbar)

 		{

 			// Update state of actions in toolbar

 			for (int i=0; i<flag.size(); ++i)

 				flag.at(i)->updateAction();

 		}	

 	}

 }

 FlagObj* FlagRowObj::findFlag (const QString &name)

 {

 	for (int i=0; i<flag.size(); ++i)

 		if (flag.at(i)->getName()==name) return flag.at(i);

 	return NULL;

 }