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/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup edasset
*
* Helpers to convert asset library references from and to enum values and RNA enums.
* In some cases it's simply not possible to reference an asset library with
* #AssetLibraryReferences. This API guarantees a safe translation to indices/enum values for as
* long as there is no change in the order of registered custom asset libraries.
*/
#include "BLI_listbase.h"
#include "BKE_preferences.h"
#include "DNA_userdef_types.h"
#include "UI_resources.h"
#include "RNA_define.h"
#include "ED_asset_library.h"
int ED_asset_library_reference_to_enum_value(const AssetLibraryReference *library)
{
/* Simple case: Predefined repository, just set the value. */
if (library->type < ASSET_LIBRARY_CUSTOM) {
return library->type;
}
/* Note that the path isn't checked for validity here. If an invalid library path is used, the
* Asset Browser can give a nice hint on what's wrong. */
const bUserAssetLibrary *user_library = BKE_preferences_asset_library_find_from_index(
&U, library->custom_library_index);
if (user_library) {
return ASSET_LIBRARY_CUSTOM + library->custom_library_index;
}
return ASSET_LIBRARY_LOCAL;
}
AssetLibraryReference ED_asset_library_reference_from_enum_value(int value)
{
AssetLibraryReference library;
/* Simple case: Predefined repository, just set the value. */
if (value < ASSET_LIBRARY_CUSTOM) {
library.type = value;
library.custom_library_index = -1;
BLI_assert(ELEM(value, ASSET_LIBRARY_LOCAL));
return library;
}
const bUserAssetLibrary *user_library = BKE_preferences_asset_library_find_from_index(
&U, value - ASSET_LIBRARY_CUSTOM);
/* Note that there is no check if the path exists here. If an invalid library path is used, the
* Asset Browser can give a nice hint on what's wrong. */
if (!user_library) {
library.type = ASSET_LIBRARY_LOCAL;
library.custom_library_index = -1;
}
else {
const bool is_valid = (user_library->name[0] && user_library->path[0]);
if (is_valid) {
library.custom_library_index = value - ASSET_LIBRARY_CUSTOM;
library.type = ASSET_LIBRARY_CUSTOM;
}
}
return library;
}
const EnumPropertyItem *ED_asset_library_reference_to_rna_enum_itemf(
const bool include_local_library)
{
EnumPropertyItem *item = nullptr;
int totitem = 0;
if (include_local_library) {
const EnumPropertyItem predefined_items[] = {
/* For the future. */
// {ASSET_REPO_BUNDLED, "BUNDLED", 0, "Bundled", "Show the default user assets"},
{ASSET_LIBRARY_LOCAL,
"LOCAL",
ICON_CURRENT_FILE,
"Current File",
"Show the assets currently available in this Blender session"},
{0, nullptr, 0, nullptr, nullptr},
};
/* Add predefined items. */
RNA_enum_items_add(&item, &totitem, predefined_items);
}
/* Add separator if needed. */
if (!BLI_listbase_is_empty(&U.asset_libraries)) {
RNA_enum_item_add_separator(&item, &totitem);
}
int i = 0;
for (bUserAssetLibrary *user_library = (bUserAssetLibrary *)U.asset_libraries.first;
user_library;
user_library = user_library->next, i++) {
/* Note that the path itself isn't checked for validity here. If an invalid library path is
* used, the Asset Browser can give a nice hint on what's wrong. */
const bool is_valid = (user_library->name[0] && user_library->path[0]);
if (!is_valid) {
continue;
}
AssetLibraryReference library_reference;
library_reference.type = ASSET_LIBRARY_CUSTOM;
library_reference.custom_library_index = i;
const int enum_value = ED_asset_library_reference_to_enum_value(&library_reference);
/* Use library path as description, it's a nice hint for users. */
EnumPropertyItem tmp = {
enum_value, user_library->name, ICON_NONE, user_library->name, user_library->path};
RNA_enum_item_add(&item, &totitem, &tmp);
}
RNA_enum_item_end(&item, &totitem);
return item;
}
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