function gallery_field_save_sort()
{
$entity_id = $_POST['entity_id'];
$field = $_POST['field'];
$sort_images_list = $_POST['images'];
$sort_ids = explode(",", $sort_images_list);
$entity = get_entity($entity_id);
if (false == $entity->canEdit()) {
throw new Exception("can`t edit");
}
$current_image_ids = gallery_field_image_ids_from_value($entity->{$field});
if (count($current_image_ids) == 0) {
return;
}
/**
* check if all values persist in both arrays
*/
if (count(array_intersect($sort_ids, $current_image_ids)) != count($current_image_ids)) {
throw new Exception("bad count");
}
$entity->{$field} = implode(",", $sort_ids);
$entity->save();
}
<?php
/**
* Upload images action
*/
elgg_load_library('elgg:gallery_field');
$files_array = $_FILES['image'];
$entity_id = $_POST['entity_id'];
$entity_field = $_POST['entity_field'];
$entity = get_entity($entity_id);
if (false == $entity->canEdit()) {
register_error(elgg_echo('gallery_field:cant_edit'));
forward(REFERRER);
}
$image_ids = gallery_field_image_ids_from_value($entity->{$entity_field});
$count_added = 0;
for ($i = 0; $i < count($files_array['tmp_name']); $i++) {
if (false == in_array($files_array['type'][$i], array("image/jpeg", "image/jpg"))) {
if (strlen($files_array['type'][$i]) == 0) {
register_error(elgg_echo("gallery_field:max_upload_exceed"));
} else {
register_error(elgg_echo("gallery_field:only_jpg"));
}
continue;
}
$file = \GalleryFieldImage::createFromFile($files_array['tmp_name'][$i], $files_array['type'][$i]);
if ($file == null) {
continue;
}
$file->entity_id = $entity_id;
$file->save();
function gallery_field_get_entity_icon_file_id(ElggEntity $entity, $field = 'images')
{
$image_ids = gallery_field_image_ids_from_value($entity->{$field});
if (count($image_ids) == 0) {
return null;
}
return $image_ids[0];
}
