#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

	);	

}