function previewThumbnails()
{
$thumbs = $this->previewThumbnailsArray();
$index = $this->image->index();
$ret = "";
foreach ($thumbs as $key => $thumb) {
$thumbClass = "sgThumbnailPreview";
if ($key == $index - 1) {
$thumbClass .= " sgThumbnailPreviewPrev";
} elseif ($key == $index) {
$thumbClass .= " sgThumbnailPreviewCurrent";
} elseif ($key == $index + 1) {
$thumbClass .= " sgThumbnailPreviewNext";
}
$ret .= $thumb->thumbnailLink($thumbClass, "preview") . "\n";
}
return $ret;
}
/**
* Deletes an image from the current gallery.
*
* @param string the filename of the image to delete (optional)
* @return boolean true on success; false otherwise
*/
function deleteImage($image = null)
{
if ($image === null) {
$image = $this->image->id;
}
//if file is remote or doesn't exist then there's no point trying to delete it
if (!sgImage::isRemote($image) && file_exists($this->config->pathto_galleries . $this->gallery->id . "/" . $image)) {
//check that we're not being fooled into deleting something we shouldn't
if (!$this->isSubPath($this->config->pathto_galleries, $this->config->pathto_galleries . $this->gallery->id . "/" . $image)) {
return $this->pushError($this->translator->_g("Requested item '%s' appears to be outside the galleries directory.", htmlspecialchars($image)));
} else {
unlink($this->config->pathto_galleries . $this->gallery->id . "/" . $image);
}
}
//remove the image from the images array
foreach ($this->gallery->images as $i => $img) {
if ($img->id == $image) {
array_splice($this->gallery->images, $i, 1);
//image removed from array so save metadata
if ($this->io->putGallery($this->gallery)) {
//nulling image reference will select parent gallery
$this->image = null;
return $this->pushMessage($this->translator->_g("Image '%s' deleted", htmlspecialchars($image)));
} else {
return $this->pushError($this->translator->_g("Unable to save metadata."));
}
}
}
//image not found in array
return $this->pushError($this->translator->_g("Image not found '%s'", htmlspecialchars($image)));
}
