function node_gallery_seek_from_current_image in Node Gallery 6.3

Returns the nid of the image +/-N steps away from the current image node.

Parameters

$gid: The nid of the gallery to query.

$nid: The nid of the current image.

signedint $seek: The postive or negative number of slots to seek to.

$reset: (optional) If TRUE, clears the caches. Defaults to FALSE.

2 calls to node_gallery_seek_from_current_image()

node_gallery_get_next_image in ./node_gallery.inc

Gets the next image in the gallery.

node_gallery_get_prev_image in ./node_gallery.inc

Gets the previous image in the gallery.

File

./node_gallery.inc, line 766

Shared functions for node_gallery

Code

function node_gallery_seek_from_current_image($gid, $nid, $seek, $reset) {
  $image_list = node_gallery_get_image_list($gid, $reset);
  $current_position = node_gallery_get_image_position($gid, $nid, $reset);
  $current_index = $current_position - 1;
  $seek_index = $current_index + $seek;
  return isset($image_list[$seek_index]) ? $image_list[$seek_index] : NULL;
}