/**
* Get omero files
*
* @param string $path
* @param int|string $page
* @param null $search_text
* @return array
*/
public function get_listing($path = '/', $page = '1', $search_text = null)
{
global $CFG, $OUTPUT;
// format the current selected URL
if (empty($path)) {
$path = '/';
}
// Initializes the data structures needed to build the response
$list = array();
$list['list'] = array();
$list['manage'] = get_config('omero', 'omero_restendpoint');
$list['dynload'] = true;
$list['nologin'] = true;
$list['search_query'] = $search_text;
// Host the navigation links
$navigation_list = array();
// Enable/Disable the search field
$list['nosearch'] = false;
// process search request
if (isset($search_text) || PathUtils::is_annotations_query($path)) {
if (isset($search_text)) {
$response = $this->omero->process_search($search_text, $this->access_key, $this->access_secret);
} else {
$response = $this->process_request($path);
}
foreach ($response as $item) {
$itype = "Tag";
if (strcmp($item->type, "tagset") == 0) {
$itype = "TagSet";
}
$obj = $this->process_list_item($itype, $item);
if ($obj != null) {
$list['list'][] = $obj;
}
}
// Set this result as a search result
$list['issearchresult'] = true;
// Build the navigation bar
$list['path'] = $this->build_navigation_bar($navigation_list, "/find/annotations", "", $search_text);
} else {
// true if the list is a search result
$list['issearchresult'] = false;
if (PathUtils::is_root_path($path)) {
$list['list'][] = $this->process_list_item("ProjectRoot", (object) $this->PROJECTS_ROOT_ITEM);
$list['list'][] = $this->process_list_item("TagRoot", (object) $this->TAGS_ROOT_ITEM);
// Build the navigation bar
$list['path'] = $this->build_navigation_bar($navigation_list, $path);
} else {
if (PathUtils::is_projects_root($path)) {
debugging("The root project path has been selected !!!");
$response = $this->process_request(PathUtils::build_project_list_url());
foreach ($response as $item) {
$obj = $this->process_list_item("Project", $item);
if ($obj != null) {
$list['list'][] = $obj;
}
}
// Build the navigation bar
$list['path'] = $this->build_navigation_bar($navigation_list, $path);
} else {
if (PathUtils::is_annotations_root($path)) {
debugging("The root tag path has been selected !!!");
$response = $this->process_request(PathUtils::build_annotation_list_url());
foreach ($response as $item) {
$itype = "Tag";
if (strcmp($item->type, "tagset") == 0) {
$itype = "TagSet";
}
$obj = $this->process_list_item($itype, $item);
if ($obj != null) {
$list['list'][] = $obj;
}
}
// Build the navigation bar
$list['path'] = $this->build_navigation_bar($navigation_list, $path);
} else {
if (PathUtils::is_tagset_root($path)) {
debugging("The tagset root path has been selected: {$path} !!!");
$response = $this->process_request($path);
foreach ($response->tags as $item) {
$obj = $this->process_list_item("Tag", $item);
if ($obj != null) {
$list['list'][] = $obj;
}
}
// Build the navigation bar
$list['path'] = $this->build_navigation_bar($navigation_list, $path, $response);
} else {
if (PathUtils::is_tag($path)) {
debugging("Tag selected: {$path}!!!");
$selected_obj_info = $this->process_request($path);
$response = $selected_obj_info;
foreach ($response->images as $item) {
$obj = $this->process_list_item("Image", $item);
if ($obj != null) {
$list['list'][] = $obj;
}
}
// Build the navigation bar
$list['path'] = $this->build_navigation_bar($navigation_list, $path, $response);
} else {
if (PathUtils::is_project($path)) {
$project_id = PathUtils::get_element_id_from_url($path, "project");
$response = $this->process_request(PathUtils::build_dataset_list_url($project_id));
if (isset($response->datasets)) {
foreach ($response->datasets as $item) {
$obj = $this->process_list_item("Dataset", $item);
if ($obj != null) {
$list['list'][] = $obj;
}
}
}
// Build the navigation bar
$list['path'] = $this->build_navigation_bar($navigation_list, $path, $response);
} else {
if (PathUtils::is_dataset($path)) {
debugging("Dataset selected!!!");
$response = $this->process_request($path);
// Build the navigation bar
$list['path'] = $this->build_navigation_bar($navigation_list, $path, $response);
// process images
if ($this->ENABLE_PAGINATION) {
if (empty($page)) {
$page = 1;
} else {
$page = (int) $page;
}
$num_images_per_page = 12;
$list['page'] = $page;
$list['pages'] = 1;
if (count($response) > 12) {
$list['pages'] = 1 + ceil((count($response) - 12) / $num_images_per_page);
}
$last = $page == 1 ? 12 : $page * $num_images_per_page;
$first = $last - ($page == 1 ? 12 : $num_images_per_page);
$counter = 0;
foreach ($response as $item) {
if ($counter == $last) {
break;
}
if ($counter < $first) {
$counter++;
continue;
} else {
$processed_item = $this->process_list_item("Image", $item);
if ($processed_item != null) {
$list['list'][] = $processed_item;
}
$counter++;
}
}
} else {
$list['pages'] = 1;
foreach ($response->images as $item) {
$processed_item = $this->process_list_item("Image", $item);
if ($processed_item != null) {
$list['list'][] = $processed_item;
}
}
return $list;
}
} else {
debugging("Unknown resource selected: {$path} !!!: ");
}
}
}
}
}
}
}
}
return $list;
}
