#include "selection.h"

#include "mainwindow.h"

#include "mapeditor.h"

extern Main *mainWindow;

Selection::Selection()

{

	color= QColor(255,255,0);

}

Selection::~Selection()

{

}

void Selection::setMapEditor (MapEditor *me)

{

	mapEditor=me;

	mapCenter=me->getMapCenter();

	scene=mapCenter->getScene();

}

void Selection::copy(const Selection &other)

{

	mapCenter=other.mapCenter;

	selectList=other.selectList;

	lastSelectList=other.lastSelectList;

}

void Selection::clear()

{

	unselect();

	lastSelectList.clear();

}

void Selection::update()

{

	QRectF bbox;

	int w=0;

	for (int i=0; i< selectList.count(); ++i) 

	{

		bbox=selectList.at(i)->getBBox();

		selboxList.at(i)->setRect (

			bbox.x()-w,bbox.y()-w, 

			bbox.width()+2*w, bbox.height()+2*w);

		selboxList.at(i)->setPen (color);	

		selboxList.at(i)->setBrush (color);	

	}	

}

void Selection::setColor (QColor col)

{

	color=col;

	update();

}

QColor Selection::getColor ()

{

	return color;

}

bool Selection::select(LinkableMapObj *lmo)	// TODO no multiselections yet

{

	if (!selectList.isEmpty()) unselect();

	selectList.append (lmo);

	QGraphicsRectItem *sb = scene->addRect(

		QRectF(0,0,0,0), 

		QPen(color),

		color);

	sb->setZValue(Z_SELBOX);

	sb->show();

	selboxList.append (sb);

	lmo->select();

	update();

	mainWindow->updateSatellites (mapEditor);	// update branchPropWindow...

	return true;

}

bool Selection::select (const QString &s)	// TODO no multiselections yet

{

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

	// Finally select the found object

	if (lmo)

	{

		unselect();

		select (lmo);

		return true;

	} 

	return false;

}

bool Selection::reselect ()	// TODO no multiselections yet

{

	if (!lastSelectList.isEmpty())

	{

		select (lastSelectList.first());

		return true;

	}

	return false;

}

void Selection::unselect()

{

	if (!selectList.isEmpty() )

	{

		for (int i=0; i< selectList.count(); ++i) 

			selectList.at(i)->unselect();

		lastSelectList=selectList;

		selectList.clear();

		while (!selboxList.isEmpty() )

			delete selboxList.takeFirst();

	}	

}

bool Selection::isEmpty()

{

	return selectList.isEmpty();

}

uint Selection::count()

{

	return selectList.count();

}

SelectionType Selection::type() // TODO no multiselections yet

{

	if (!selectList.isEmpty())

	{

		LinkableMapObj *sel=selectList.first();

		if (typeid (*sel)==typeid (BranchObj)) return Branch;

		if (typeid (*sel)==typeid (MapCenterObj)) return MapCenter;

		if (typeid (*sel)==typeid (FloatImageObj)) return FloatImage;

	}

	return Undefined;

}

LinkableMapObj* Selection::first()

{

	if (!selectList.isEmpty())

		return selectList.first();

	else	

		return NULL;

}

LinkableMapObj* Selection::single()

{

	if (selectList.count() == 1)

		return selectList.first();

	else	

		return NULL;

}

BranchObj* Selection::getBranch()

{

	if (!selectList.isEmpty())

	{

		LinkableMapObj *sel=selectList.first();

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

		    typeid (*sel)==typeid (MapCenterObj)) 

			return (BranchObj*)sel;

	}

		return NULL;

}

FloatImageObj* Selection::getFloatImage()

{

	if (!selectList.isEmpty())

	{

		LinkableMapObj *sel=selectList.first();

		if (typeid (*sel)==typeid (FloatImageObj)) 

			return (FloatImageObj*)sel;

	}

		return NULL;

}

QString Selection::getSelectString()// TODO no multiselections yet

{

	if (selectList.count()==1)

		return selectList.first()->getSelectString();

	else

		return"";

}