A subalbum contains photos. More...

#include <subalbum.h>

Collaboration diagram for Subalbum:

Public Member Functions
	Subalbum (Album *albm, int number)
	Sets default information is the Subalbum number.
	~Subalbum ()
	Frees photos.
void	setName (QString val)
	Sets the Subalbum Name.
QString	getName ()
	Gets the Subalbum Name.
void	setDescription (QString val)
	Sets the Subalbum description.
QString	getDescription ()
	Gets the Subalbum description.
QPixmap *	getRepresentativeImage (int size)
	gets a sized representative image
void	setRepresentativeImage (QString imageFilename)
	sets a sized representative image
bool	addPhoto (QString fileName, bool replaceDescription=false, Photo *newPhoto=NULL)
	Adds a new photo to the Subalbum and appends it to the end, returns TRUE if successful.
bool	lazyAddPhoto (QString imageName, QString slideshowName, QString thumbnailName, Photo *newPhoto)
	Lazily adds a new photo to the subalbum without rescaling from scrath, returns TRUE if successful.
void	addPhoto (Photo *newPhoto)
	Adds a preexisting photo object to the Subalbum, appending it to the end.
void	photoMoved (Photo *val)
	Removes a specified photo without deleting the object.
void	removePhoto (Photo *val)
	Removes a specified photo.
Subalbum *	getPrev ()
	Returns pointer to prev subalbum.
Subalbum *	getNext ()
	Returns pointer to next subalbum.
void	setPrev (Subalbum *val)
	Sets pointer of prev subalbum.
void	setNext (Subalbum *val)
	Sets pointer of next subalbum.
Photo *	getFirst ()
	Returns first photo in subalbum.
Photo *	getLast ()
	Returns last photo in subalbum.
void	exportToXML (StatusWidget *status, QTextStream &stream)
	Exports subalbum to xml.
void	importFromDisk (QDomNode root, int subalbumNum, StatusWidget status, QString dirName, bool disableCheckPhotoMods)
	Builds subalbum from XML DOM node.
void	syncPhotoList (PhotoPreviewWidget *item)
	Syncs photo ordering with front end gui ordering.
int	getSubalbumNumber ()
	Returns subalbum number.
void	setSubalbumNumber (int newVal)
	Sets the subalbum number to newVal.
int	getNumPhotos ()
	Returns the number of photos in the subalbum.
int	getNumLoadedPhotos ()
	Returns the number of loaded photos in subalbum.
void	resetNumLoadedPhotos ()
void	setModified ()
Album *	getAlbum ()
	returns the album pointer
Private Attributes
int	number
	Subalbum Number.
int	numPhotos
	Number of photos in subalbum.
int	loadedPhotos
	Number of photos in subalbum when last loaded.
QString	name
	Short Name for subalbum.
QString	description
	Longer description of subalbum.
QPixmap *	smallRepresentativeImage
QPixmap *	mediumRepresentativeImage
QPixmap *	largeRepresentativeImage
Photo *	firstPhoto
	Pointer to first photo.
Photo *	lastPhoto
	Pointer to last photo.
Subalbum *	prevSubalbum
	Pointer to prev subalbum.
Subalbum *	nextSubalbum
	Pointer to next subalbum.
Album *	albm
	Pointer to album subalbum is in.

Detailed Description

A subalbum contains photos.

Specific contents:

Photos
Name
Description
Representative image
Subalbum number
Number of Photos

Definition at line 45 of file subalbum.h.

Constructor & Destructor Documentation

Subalbum::Subalbum	(	Album *	albm,
		int	number
	)

Sets default information is the Subalbum number.

Definition at line 35 of file subalbum.cpp.

References albm, SubalbumPreviewWidget::createSubalbumPixmap(), description, firstPhoto, IMAGE_PATH, largeRepresentativeImage, lastPhoto, loadedPhotos, mediumRepresentativeImage, name, nextSubalbum, number, numPhotos, prevSubalbum, and smallRepresentativeImage.

{
  //set subalbum number
  this->number = number;

  //by default no photos in subalbum
  numPhotos = 0;
  loadedPhotos = 0;

  //set strings to default values
  name = qApp->translate("Subalbum", "Collection %1").arg(number);
  description ="";

  //set default rep images
  smallRepresentativeImage = NULL;
  mediumRepresentativeImage = SubalbumPreviewWidget::createSubalbumPixmap
  ( QString(IMAGE_PATH)+"miscImages/subalbum.png" );
  largeRepresentativeImage = NULL;

  //no photos by default
  firstPhoto = NULL;
  lastPhoto = NULL;

  //next and prev pointers null by default
  prevSubalbum = NULL;
  nextSubalbum = NULL;

  //set album pointer
  this->albm = albm;
}

Subalbum::~Subalbum ( )

Frees photos.

Definition at line 66 of file subalbum.cpp.

References firstPhoto, Photo::getNext(), largeRepresentativeImage, mediumRepresentativeImage, and smallRepresentativeImage.

{
  //delete representative images
  delete smallRepresentativeImage;
  delete mediumRepresentativeImage;
  delete largeRepresentativeImage;

  //delete all photos
  Photo* current = firstPhoto;
  while(current != NULL)
  {
    Photo* temp = current->getNext();
    delete current;
    current = temp;
  }
}

Member Function Documentation

bool Subalbum::addPhoto	(	QString	fileName,
		bool	replaceDescription = `false`,
		Photo *	newPhoto = `NULL`
	)

Adds a new photo to the Subalbum and appends it to the end, returns TRUE if successful.

Definition at line 197 of file subalbum.cpp.

References albm, firstPhoto, getLast(), Album::getNextUniquePhotoID(), lastPhoto, numPhotos, Photo::setDescription(), Photo::setImage(), Album::setModified(), Photo::setNext(), and Photo::setPrev().

Referenced by SubalbumWidget::addImageAction(), SubalbumPreviewWidget::dropped(), and importFromDisk().

{
  //create new photo if necessary
  if(newPhoto == NULL)
    newPhoto = new Photo(this, getLast(), numPhotos);

  //replace description with filename if instructed
  //(aka /home/bob/happy.jpg -> happy)
  if(replaceDescription)
  {
    //get filename
    QString desc(fileName);

    //remove path
    desc = desc.section( QRegExp("/"), -1);

    //remove extension if it exists
    int extensionIndex = desc.findRev( '.' );
    if(extensionIndex > 0 )
      desc.truncate(extensionIndex);

    //convert _'s to spaces
    desc = desc.replace('_', ' ');

    //set photos description
    newPhoto->setDescription( desc );
  }

  //attempt to set image
  if(!newPhoto->setImage(fileName, albm->getNextUniquePhotoID() ))
  {
    delete newPhoto;
    return false;
  }

  //if this is the first photo set as the head
  if(firstPhoto == NULL)
  {
    firstPhoto = newPhoto;
    lastPhoto = newPhoto;
  }
  //else append to end of list
  else
  {
    lastPhoto->setNext(newPhoto);
    newPhoto->setPrev( lastPhoto );
    lastPhoto = newPhoto;
  }

  numPhotos++;
  albm->setModified();
  return true;
}

void Subalbum::addPhoto ( Photo * newPhoto )

Adds a preexisting photo object to the Subalbum, appending it to the end.

Definition at line 173 of file subalbum.cpp.

References albm, firstPhoto, lastPhoto, numPhotos, Album::setModified(), Photo::setNext(), and Photo::setPrev().

{
  //set the photos next and prev points to NULL by default
  newPhoto->setNext(NULL);
  newPhoto->setPrev(NULL);

  //if list empty set to head
  if(firstPhoto == NULL)
  {
    firstPhoto = newPhoto;
    lastPhoto = newPhoto;
  }
  //else append to end of list
  else
  {
    lastPhoto->setNext(newPhoto);
    newPhoto->setPrev( lastPhoto );
    lastPhoto = newPhoto;
  }

  numPhotos++;
  albm->setModified();
}

void Subalbum::exportToXML	(	StatusWidget *	status,
		QTextStream &	stream
	)

Exports subalbum to xml.

Definition at line 312 of file subalbum.cpp.

References description, Photo::exportToXML(), firstPhoto, fixXMLString(), Photo::getNext(), getRepresentativeImage(), LARGE, name, and number.

Referenced by Album::exportToXML().

{
  //write subalbum information
  stream << "  <subalbum>\n";

  //if subalbum has a represenatative image save it's path
   if(getRepresentativeImage(LARGE) != NULL )
   {
     stream << "    <thumb path=\"img/" << number << "_thumb.jpg\"/>\n";
     stream << "    <name>" << fixXMLString(name) << "</name>\n";
   }
   //else if the name is empty or just whitespace override it with "Subalbum #" so
   //it is not invisible on the coverpage
   else
   {
     QString strippedName = fixXMLString(name);
     if(strippedName.stripWhiteSpace() == "")
       stream << QString("  <name>%1 %2</name>\n").arg(qApp->translate("Subalbum", "Collection")).arg(number);
     else
       stream << "    <name>" << fixXMLString(name) << "</name>\n";
   }

  stream << "    <description>" << fixXMLString(description) << "</description>\n";

  //write photos
  Photo* current = firstPhoto;
  while(current != NULL)
  {
    current->exportToXML(stream);
    current = current->getNext();
  }

  //close subalbum
  stream << "  </subalbum>\n";

}

Album * Subalbum::getAlbum ( )

returns the album pointer

Definition at line 94 of file subalbum.cpp.

References albm.

Referenced by Photo::applyTransformation(), Photo::originalImageFilename(), and Photo::setImage().

{ return albm;         }

QString Subalbum::getDescription ( )

Gets the Subalbum description.

Definition at line 84 of file subalbum.cpp.

References description.

Referenced by TitleWidget::refreshCollectionAnnotations().

{ return QString(description); }

Photo * Subalbum::getFirst ( )

Returns first photo in subalbum.

Definition at line 99 of file subalbum.cpp.

References firstPhoto.

Referenced by SlideshowWidget::advanceCollection(), AlbumStatistics::AlbumStatistics(), SlideshowWidget::beginSlideshow(), Album::exportCompressedWebAlbum(), Album::exportLargeImages(), Album::exportSubalbumImages(), Album::getThumbnailFilenames(), SubalbumWidget::refreshPhotos(), Album::removeStagnantOrigFiles(), Album::reorderSubalbumImages(), SlideshowWidget::showCollectionPage(), EditingInterface::showFirstPhoto(), and SlideshowWidget::skipToFirstPhoto().

{ return firstPhoto;   }

Photo * Subalbum::getLast ( )

Returns last photo in subalbum.

Definition at line 100 of file subalbum.cpp.

References lastPhoto.

Referenced by SubalbumWidget::addImageAction(), addPhoto(), SlideshowWidget::backupCollection(), importFromDisk(), EditingInterface::showLastPhoto(), and SlideshowWidget::skipToLastPhoto().

{ return lastPhoto;    }

QString Subalbum::getName ( )

Gets the Subalbum Name.

Definition at line 83 of file subalbum.cpp.

References name.

Referenced by TitleWidget::refreshCollectionAnnotations(), and TitleWidget::storeAnnotations().

{ return QString(name);        }

Subalbum * Subalbum::getNext ( )

Returns pointer to next subalbum.

Definition at line 97 of file subalbum.cpp.

References nextSubalbum.

Referenced by SlideshowWidget::advanceCollection(), AlbumStatistics::AlbumStatistics(), SlideshowWidget::beginSlideshow(), Album::exportCompressedWebAlbum(), Album::exportLargeImages(), Album::exportSubalbumImages(), Album::exportToDisk(), Album::exportTopLevelImages(), Album::exportToXML(), Album::getNumPhotos(), Album::getThumbnailFilenames(), SubalbumsWidget::refreshCollectionsList(), Album::removeStagnantImages(), Album::removeStagnantOrigFiles(), Album::removeSubalbum(), Album::reorderSubalbumImages(), Album::syncSubalbumList(), and Album::~Album().

{ return nextSubalbum; }

int Subalbum::getNumLoadedPhotos ( )

Returns the number of loaded photos in subalbum.

Definition at line 104 of file subalbum.cpp.

References loadedPhotos.

{ return loadedPhotos; }

int Subalbum::getNumPhotos ( )

Returns the number of photos in the subalbum.

Definition at line 103 of file subalbum.cpp.

References numPhotos.

Referenced by SlideshowWidget::backupCollection(), Album::exportLargeImages(), Album::exportToDisk(), Album::getNumPhotos(), SlideshowWidget::paintOverlaidControls(), Album::removeStagnantImages(), and SlideshowWidget::skipToLastPhoto().

{ return numPhotos;    }

Subalbum * Subalbum::getPrev ( )

Returns pointer to prev subalbum.

Definition at line 96 of file subalbum.cpp.

References prevSubalbum.

Referenced by SlideshowWidget::backupCollection(), and Album::removeSubalbum().

{ return prevSubalbum; }

QPixmap * Subalbum::getRepresentativeImage ( int size )

gets a sized representative image

Definition at line 86 of file subalbum.cpp.

References LARGE, largeRepresentativeImage, MEDIUM, mediumRepresentativeImage, SMALL, and smallRepresentativeImage.

Referenced by Album::exportCompressedWebAlbum(), Album::exportTopLevelImages(), exportToXML(), TitleWidget::refreshCollectionAnnotations(), TitleWidget::setSubalbumImage(), and TitleWidget::unsetSubalbumImage().

{
  if(size == SMALL)  return smallRepresentativeImage;
  if(size == MEDIUM) return mediumRepresentativeImage;
  if(size == LARGE)  return largeRepresentativeImage;
  else               return NULL;
}

int Subalbum::getSubalbumNumber ( )

Returns subalbum number.

Definition at line 102 of file subalbum.cpp.

References number.

Referenced by Photo::Photo().

{ return number;       }

void Subalbum::importFromDisk	(	QDomNode *	root,
		int	subalbumNum,
		StatusWidget *	status,
		QString	dirName,
		bool	disableCheckPhotoMods
	)

Builds subalbum from XML DOM node.

Definition at line 349 of file subalbum.cpp.

References addPhoto(), description, Photo::getImageChecksum(), getLast(), getMD5(), Photo::getSlideshowChecksum(), Photo::getThumbnailChecksum(), Photo::importFromDisk(), StatusWidget::incrementProgress(), lazyAddPhoto(), name, resetNumLoadedPhotos(), and setRepresentativeImage().

Referenced by Album::importFromDisk().

{
  //if representative image exists load
  QString repName = QString(dirName + "/img/%1_thumb.jpg").arg(subalbumNum);
  QImage repImage(repName);
  if(!repImage.isNull())
  {
    setRepresentativeImage(repName);
  }

  QDomNode node = root->firstChild();
  QDomText val;
  int photoNum = 0;
  while( !node.isNull() )
  {
    //------------------------------------------------------------
    //subalbum name
    if( node.isElement() && node.nodeName() == "name" )
    {
      val = node.firstChild().toText();
      if(!val.isNull())
        name = val.nodeValue();
     name.replace("\\&quot;","\"");
    }
    //------------------------------------------------------------
    //subalbum description
    else if( node.isElement() && node.nodeName() == "description" )
    {
      val = node.firstChild().toText();
      if(!val.isNull())
        description = val.nodeValue();
     description.replace("\\&quot;","\"");
    }
    //------------------------------------------------------------
    //photo
    else if( node.isElement() && node.nodeName() == "photo" )
    {
      //increase counter
      photoNum++;

      //create new photo object
      QString imageName = QString(dirName + "img/%1/%2.jpg").arg(subalbumNum).arg(photoNum);
      QString slideshowName = QString(dirName + "img/%1/%2_slideshow.jpg").arg(subalbumNum).arg(photoNum);
      QString thumbName = QString(dirName + "img/%1/%2_thumb.jpg").arg(subalbumNum).arg(photoNum);
      Photo* newPhoto = new Photo(this, getLast(), photoNum);

      //load photo information from disk
      QDateTime* modificationTimes = newPhoto->importFromDisk( &node );

      //first check to see if modifications times have changed
      bool lazyLoad = true; //assume no modifications

      //skip checking for mods if disable checking is set
      if(!disableCheckPhotoMods)
      {
        QFileInfo info[3];
        info[0].setFile( imageName );
        info[1].setFile( slideshowName );
        info[2].setFile( thumbName );
        if(
              modificationTimes[0] != info[0].lastModified() ||
              modificationTimes[1] != info[1].lastModified() ||
              modificationTimes[2] != info[2].lastModified()
           )
          lazyLoad = false;
      }

      //if no changes have occured do lazy load - don't
      //bother scaling down thumbnail and slideshow images
      //from original image
      std::ifstream imageFile    ( QFile::encodeName(imageName)     );
      std::ifstream slideshowFile( QFile::encodeName(slideshowName) );
      std::ifstream thumbnailFile( QFile::encodeName(thumbName)     );

      if(  imageFile.is_open() &&
            thumbnailFile.is_open() &&
            slideshowFile.is_open() &&
           (
              lazyLoad ||
              (
                getMD5(imageFile) == newPhoto->getImageChecksum() &&
                getMD5(slideshowFile) == newPhoto->getSlideshowChecksum() &&
                getMD5(thumbnailFile) == newPhoto->getThumbnailChecksum()
              )
           )
        )
      {
        //close ifstreams
        imageFile.close();
        slideshowFile.close();
        thumbnailFile.close();

        //populate image
        lazyAddPhoto(imageName, slideshowName, thumbName, newPhoto);
      }
      //else reload image and scale it since changes have occured.
      else
      {
        //close ifstreams if open
        if(imageFile.is_open())
          imageFile.close();
        if(thumbnailFile.is_open())
          thumbnailFile.close();

        //populate image
        addPhoto(imageName, false, newPhoto);
      }

      if(imageFile.is_open())
        imageFile.close();
      if(slideshowFile.is_open())
        slideshowFile.close();
      if(thumbnailFile.is_open())
        thumbnailFile.close();

      //update progress bar
      status->incrementProgress();
      qApp->processEvents();
    }
    //------------------------------------------------------------
    //advance to next node
    node = node.nextSibling();
    //------------------------------------------------------------
  }
  //------------------------------------------------------------
  //set loaded number
  resetNumLoadedPhotos();
  //------------------------------------------------------------
}

bool Subalbum::lazyAddPhoto	(	QString	imageName,
		QString	slideshowName,
		QString	thumbnailName,
		Photo *	newPhoto
	)

Lazily adds a new photo to the subalbum without rescaling from scrath, returns TRUE if successful.

Definition at line 251 of file subalbum.cpp.

References albm, firstPhoto, lastPhoto, numPhotos, Photo::setImage(), Album::setModified(), Photo::setNext(), and Photo::setPrev().

Referenced by importFromDisk().

{
  //attempt to set image
  if(!newPhoto->setImage(imageName, slideshowName, thumbnailName))
  {
    delete newPhoto;
    return false;
  }

  //if this is the first photo set as the head
  if(firstPhoto == NULL)
  {
    firstPhoto = newPhoto;
    lastPhoto = newPhoto;
  }
  //else append to end of list
  else
  {
    lastPhoto->setNext(newPhoto);
    newPhoto->setPrev( lastPhoto );
    lastPhoto = newPhoto;
  }
  
  numPhotos++;
  albm->setModified();
  return true;
}

void Subalbum::photoMoved ( Photo * val )

Removes a specified photo without deleting the object.

Definition at line 483 of file subalbum.cpp.

References albm, firstPhoto, Photo::getNext(), Photo::getPrev(), lastPhoto, numPhotos, Album::setModified(), Photo::setNext(), and Photo::setPrev().

Referenced by SubalbumPreviewWidget::dropped().

{
  //if null pointer bail
  if(val == NULL) return;
  
  //update first and last pointers if necessary
  if(val == firstPhoto) firstPhoto = val->getNext();
  if(val == lastPhoto)  lastPhoto  = val->getPrev();

  //splice out
  if(val->getPrev() != NULL) val->getPrev()->setNext( val->getNext() );
  if(val->getNext() != NULL) val->getNext()->setPrev( val->getPrev() );

  numPhotos--;
  albm->setModified();
}

void Subalbum::removePhoto ( Photo * val )

Removes a specified photo.

Definition at line 280 of file subalbum.cpp.

References albm, firstPhoto, Photo::getNext(), Photo::getPrev(), lastPhoto, numPhotos, Album::setModified(), Photo::setNext(), and Photo::setPrev().

Referenced by SubalbumWidget::removeImageAction().

{
  //if photo pointer is null then bail
  if(val == NULL) return;
  
  //reset head and tail pointers if necessary
  if( val == firstPhoto )   firstPhoto = val->getNext();
  if( val == lastPhoto )    lastPhoto  = val->getPrev();
  
  //splice out
  if( val->getPrev() != NULL ) val->getPrev()->setNext( val->getNext() );
  if( val->getNext() != NULL ) val->getNext()->setPrev( val->getPrev() );

  //delete object
  delete val;
  val = NULL;
  numPhotos--;
  albm->setModified();
}

void Subalbum::resetNumLoadedPhotos ( )

Definition at line 170 of file subalbum.cpp.

References loadedPhotos, and numPhotos.

Referenced by importFromDisk(), and Album::removeStagnantImages().

{ loadedPhotos = numPhotos; }

void Subalbum::setDescription ( QString val )

Sets the Subalbum description.

Definition at line 115 of file subalbum.cpp.

References albm, description, and Album::setModified().

Referenced by TitleWidget::storeAnnotations().

{
  if(description != val)
  {
    description = val;
    albm->setModified();
  }
}

void Subalbum::setModified ( )

Definition at line 171 of file subalbum.cpp.

References albm, and Album::setModified().

Referenced by Photo::constructSmallerImages(), Photo::setDescription(), Photo::setNext(), and Photo::setPrev().

{ albm->setModified();      }

void Subalbum::setName ( QString val )

Sets the Subalbum Name.

Definition at line 106 of file subalbum.cpp.

References albm, name, and Album::setModified().

Referenced by TitleWidget::storeAnnotations().

{
  if(name != val)
  {
    name = val;
    albm->setModified();
  }
}

void Subalbum::setNext ( Subalbum * val )

Sets pointer of next subalbum.

Definition at line 306 of file subalbum.cpp.

References albm, nextSubalbum, and Album::setModified().

Referenced by Album::appendSubalbum(), Album::removeSubalbum(), and Album::syncSubalbumList().

{
  nextSubalbum = val;
  albm->setModified();
}

void Subalbum::setPrev ( Subalbum * val )

Sets pointer of prev subalbum.

Definition at line 300 of file subalbum.cpp.

References albm, prevSubalbum, and Album::setModified().

Referenced by Album::appendSubalbum(), Album::removeSubalbum(), and Album::syncSubalbumList().

{
  prevSubalbum = val;
  albm->setModified();
}

void Subalbum::setRepresentativeImage ( QString imageFilename )

sets a sized representative image

Definition at line 124 of file subalbum.cpp.

References albm, calcScaledImageDimensions(), SubalbumPreviewWidget::createSubalbumPixmap(), getImageSize(), IMAGE_PATH, largeRepresentativeImage, mediumRepresentativeImage, REP_IMAGE_HEIGHT, scaleImage(), Album::setModified(), and smallRepresentativeImage.

Referenced by importFromDisk(), TitleWidget::setSubalbumImage(), and TitleWidget::unsetSubalbumImage().

{
  //delete old representative images
  delete smallRepresentativeImage;
  delete mediumRepresentativeImage;
  delete largeRepresentativeImage;

  //if being set to null, set back to defaults
  if(imageFilename.isNull())
  {
    smallRepresentativeImage = NULL;
    largeRepresentativeImage = NULL;

    mediumRepresentativeImage = SubalbumPreviewWidget::createSubalbumPixmap
                                ( QString(IMAGE_PATH)+"miscImages/subalbum.png" );
  }
  //else create various sized cover images
  else
  {
    int imageWidth, imageHeight;
    getImageSize( imageFilename, imageWidth, imageHeight );
    
    //small version (show at top)
    int smallRepWidth = 0;
    int smallRepHeight = 0;
    calcScaledImageDimensions( imageWidth, imageHeight,
                               107, REP_IMAGE_HEIGHT,
                               smallRepWidth, smallRepHeight);
    QImage thumbnailSmall;
    scaleImage( imageFilename, thumbnailSmall, smallRepWidth, smallRepHeight );
    smallRepresentativeImage = new QPixmap( thumbnailSmall.width(), thumbnailSmall.height() );
    smallRepresentativeImage->convertFromImage( thumbnailSmall );

    //medium version (seen in collections listing)
    mediumRepresentativeImage = SubalbumPreviewWidget::createSubalbumPixmap( imageFilename );
    
    //large version, used for actually saving out
    largeRepresentativeImage = new QPixmap( imageFilename );
    //---------------------------------------------------------
  }

  //set modified
  albm->setModified();
}

void Subalbum::setSubalbumNumber ( int newVal )

Sets the subalbum number to newVal.

Definition at line 169 of file subalbum.cpp.

References number.

Referenced by Album::exportToDisk().

{ number = newVal;          }

void Subalbum::syncPhotoList ( PhotoPreviewWidget * item )

Syncs photo ordering with front end gui ordering.

Definition at line 500 of file subalbum.cpp.

References firstPhoto, Photo::getNext(), PhotoPreviewWidget::getPhoto(), lastPhoto, Photo::setNext(), and Photo::setPrev().

Referenced by SubalbumWidget::reorder().

{
  //base case, no items
  if(item == NULL)
  {
    firstPhoto = NULL;
    lastPhoto = NULL;
    return;
  }

  //set first and last pointers
  firstPhoto = item->getPhoto();
  firstPhoto->setNext(NULL);
  firstPhoto->setPrev(NULL);
  lastPhoto = firstPhoto;

  //set all next/prev pointers
  while(item->nextItem() != NULL)
  {
    item->getPhoto()->setNext( ((PhotoPreviewWidget*)item->nextItem())->getPhoto() );
    item->getPhoto()->getNext()->setPrev( item->getPhoto() );
    item = (PhotoPreviewWidget*)item->nextItem();
    lastPhoto = item->getPhoto();
    lastPhoto->setNext(NULL);
  }
  
}