/**
* creates a transient image (that is, one that is not stored in the database)
*
* @param object $gallery
* @param string $image the full path to the image
* @return transientimage
*/
function Transientimage(&$album, $image)
{
if (!is_object($album)) {
return NULL;
}
$this->album = $album;
$this->localpath = $image;
$filename = makeSpecialImageName($image);
$this->filename = $filename;
$this->displayname = substr(basename($image), 0, strrpos(basename($image), '.'));
if (empty($this->displayname)) {
$this->displayname = $this->filename;
}
$this->filemtime = filemtime($this->localpath);
$this->comments = null;
if (is_valid_video($filename)) {
$this->video = true;
}
parent::PersistentObject('images', array('filename' => $filename, 'albumid' => $this->album->id), 'filename', false, true);
}
/**
* Gets the album's set thumbnail image from the database if one exists,
* otherwise, finds the first image in the album or sub-album and returns it
* as an Image object.
*
* @return Image
*/
function getAlbumThumbImage()
{
if (!is_null($this->albumthumbnail)) {
return $this->albumthumbnail;
}
$albumdir = $this->localpath;
$thumb = $this->get('thumb');
$i = strpos($thumb, '/');
if ($root = $i === 0) {
$thumb = substr($thumb, 1);
// strip off the slash
$albumdir = getAlbumFolder();
}
$shuffle = $thumb != '1';
if (!empty($thumb) && $thumb != '1' && file_exists($albumdir . UTF8ToFilesystem($thumb))) {
if ($i === false) {
return newImage($this, $thumb);
} else {
$pieces = explode('/', $thumb);
$i = count($pieces);
$thumb = $pieces[$i - 1];
unset($pieces[$i - 1]);
$albumdir = implode('/', $pieces);
if (!$root) {
$albumdir = $this->name . "/" . $albumdir;
} else {
$albumdir = $albumdir . "/";
}
$this->albumthumbnail = newImage(new Album($this->gallery, $albumdir), $thumb);
return $this->albumthumbnail;
}
} else {
if ($this->isDynamic()) {
$this->getImages(0, 0, 'ID', 'DESC');
$thumbs = $this->images;
if (!is_null($thumbs)) {
if ($shuffle) {
shuffle($thumbs);
}
while (count($thumbs) > 0) {
$thumb = array_shift($thumbs);
if (is_valid_image($thumb['filename'])) {
$alb = new Album($this->gallery, $thumb['folder']);
$thumb = newImage($alb, $thumb['filename']);
if ($thumb->getShow()) {
$this->albumthumbnail = $thumb;
return $thumb;
}
}
}
}
} else {
$this->getImages(0, 0, 'ID', 'DESC');
$thumbs = $this->images;
if (!is_null($thumbs)) {
if ($shuffle) {
shuffle($thumbs);
}
while (count($thumbs) > 0) {
$thumb = array_shift($thumbs);
if (is_valid_image($thumb)) {
$thumb = newImage($this, $thumb);
if ($thumb->getShow()) {
$this->albumthumbnail = $thumb;
return $thumb;
}
}
}
}
// Otherwise, look in sub-albums.
$subalbums = $this->getSubAlbums();
if (!is_null($subalbums)) {
if ($shuffle) {
shuffle($subalbums);
}
while (count($subalbums) > 0) {
$folder = array_pop($subalbums);
$subalbum = new Album($this->gallery, $folder);
$pwd = $subalbum->getPassword();
if ($subalbum->getShow() && empty($pwd) || isMyALbum($folder, ALL_RIGHTS)) {
$thumb = $subalbum->getAlbumThumbImage();
if (strtolower(get_class($thumb)) !== 'transientimage' && $thumb->exists) {
$this->albumthumbnail = $thumb;
return $thumb;
}
}
}
}
//jordi-kun - no images, no subalbums, check for videos
$dp = opendir($albumdir);
while ($thumb = readdir($dp)) {
if (is_file($albumdir . $thumb) && is_valid_video($thumb)) {
$othersThumb = checkObjectsThumb($albumdir, $thumb);
if (!empty($othersThumb)) {
$thumb = newImage($this, $othersThumb);
if ($this->getShow()) {
$this->albumthumbnail = $thumb;
return $thumb;
}
}
}
}
}
}
$nullimage = SERVERPATH . '/' . ZENFOLDER . '/images/imageDefault.png';
if (OFFSET_PATH == 0) {
// check for theme imageDefault.png if we are in the gallery
$theme = '';
$uralbum = getUralbum($this);
$albumtheme = $uralbum->getAlbumTheme();
if (!empty($albumtheme)) {
$theme = $albumtheme;
} else {
$theme = $this->gallery->getCurrentTheme();
}
if (!empty($theme)) {
$themeimage = SERVERPATH . '/' . THEMEFOLDER . '/' . $theme . '/images/imageDefault.png';
if (file_exists(UTF8ToFilesystem($themeimage))) {
$nullimage = $themeimage;
}
}
}
$this->albumthumbnail = new transientimage($this, $nullimage);
return $this->albumthumbnail;
}
/**
* Returns the url to original image.
* It will return a protected image is the option "protect_full_image" is set
*
* @return string
*/
function getFullImageURL()
{
global $_zp_current_image;
if (is_null($_zp_current_image)) {
return false;
}
$outcome = getOption('protect_full_image');
if ($outcome == 'No access') {
return null;
}
$url = getUnprotectedImageURL();
if (is_valid_video($url)) {
// Download, Protected View, and Unprotected access all allowed
$album = $_zp_current_image->getAlbum();
$folder = $album->getFolder();
$original = checkVideoOriginal(getAlbumFolder() . $folder, $_zp_current_image->getFileName());
if ($original) {
return getAlbumFolder(WEBPATH) . $folder . "/" . $original;
} else {
return $url;
}
} else {
// normal image
if ($outcome == 'Unprotected') {
return $url;
} else {
return getProtectedImageURL();
}
}
}
