#include "imageitem.h"

 #include "branchitem.h"

 #include "mapobj.h"		// z-values

 #include <QString>

 #include <iostream>

 using namespace std;

 uint ImageItem::saveCounter=0;		// create instance 

 ImageItem::ImageItem()

 {

 	init();

 }

 ImageItem::ImageItem (const QList<QVariant> &data, TreeItem *parent):MapItem (data,parent)

 {

 	init();

 }

 ImageItem::~ImageItem()

 {

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

 	if (lmo) delete lmo;

 }

 void ImageItem::init()

 {

 	type=Image;

 	imageType=Undefined;

 	hideLinkUnselected=true;

 	originalFilename="no original name available";

 	zValue=Z_FLOATIMG;

 	posMode=Relative;

 }

 ImageItem::ImageType ImageItem::getImageType()

 {

 	return imageType;

 }

 bool ImageItem::load(const QString &fname)

 {

 	bool ok=pixmap.load (fname);

 	if (lmo && ok)

 	{

 		setOriginalFilename (fname);

 		setHeading (originalFilename);

 		((FloatImageObj*)lmo)->load (pixmap);

 	}	

 	return ok;	

 }

 FloatImageObj* ImageItem::createMapObj(QGraphicsScene *scene)

 {

 	FloatImageObj *fio=new FloatImageObj (scene);

 	fio->setTreeItem (this);

 	lmo=fio;

 	fio->setParObj ( ((MapItem*)parentItem)->getLMO());

 	if (((BranchItem*)parentItem)->isScrolled() || !((MapItem*)parentItem)->getLMO()->isVisibleObj() )

 			fio->setVisibility (false);

 	initLMO();

 	fio->setZValue(zValue);

 	fio->setRelPos (pos);

 	return fio;

 }

 void ImageItem::setZValue(int z)

 {

 	zValue=z;

 	if (lmo) ((FloatImageObj*)lmo)->setZValue(z);

 }

 void ImageItem::setOriginalFilename(const QString & fn)

 {

 	originalFilename=fn;

 	// Set short name. Search from behind:

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

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

 	setHeading (originalFilename);

 }

 QString ImageItem::getOriginalFilename()

 {

 	return originalFilename;

 }

 void ImageItem::resetSaveCounter()

 {

 	saveCounter=0;

 }

 void ImageItem::save(const QString &fn, const QString &format)

 {

 	pixmap.save (fn,qPrintable (format));

 }

 QString ImageItem::saveToDir (const QString &tmpdir,const QString &prefix) 

 {

 	if (hidden) return "";

 	saveCounter++;

 	QString zAttr=attribut ("zValue",QString().setNum(zValue));

 	QString url;

 	url="images/"+prefix+"image-" + QString().number(saveCounter,10) + ".png" ;

 	// And really save the image

 	pixmap.save (tmpdir +"/"+ url, "PNG");

 	QString nameAttr=attribut ("originalName",originalFilename);

     return singleElement ("floatimage",  

 		getMapAttr() 

 		+getGeneralAttr()

 		+zAttr  

 		+attribut ("href",QString ("file:")+url)

 		+nameAttr

 	);	

 }