alter vatter

addons/rider-plugin/scripts/locator/rider_locator_service.gd

@@ -0,0 +1,68 @@
+@tool
+extends RefCounted
+class_name RiderLocatorService
+
+var _installations_found: Array = []
+# we can keep a reference, it will be freed automatically, when the editor is closed
+var _rider_locator: RefCounted = null
+
+# Last value we wrote to / observed for the Rider selector dropdown
+var _last_selected_index: int = 0
+
+func start_search() -> void:
+	# use ClassDB to somehow still work without GDExtension part (in older Godot versions)
+	if not ClassDB.class_exists("RiderLocator"):
+		return
+
+	EditorSettingsUtil.show_rider_searching_state()
+	if _rider_locator == null:
+		_rider_locator = ClassDB.instantiate("RiderLocator")
+		_rider_locator.connect("installations_loaded", _on_installations_loaded)
+	_rider_locator.start_search()
+
+func _on_installations_loaded(array: Array) -> void:
+	_installations_found = array
+	_update_selector()
+
+func _update_selector() -> void:
+	if _installations_found.is_empty():
+		EditorSettingsUtil.erase_rider_external_editor_setting()
+		return
+
+	var index := _index_for_exec_path(_installations_found)
+	# Set _last_selected_index BEFORE register_rider_installations so the
+	# synchronous settings_changed handler sees a match and skips its work.
+	_last_selected_index = index
+	EditorSettingsUtil.register_rider_installations(_installations_found, index)
+
+	var settings_changed := EditorInterface.get_editor_settings().settings_changed
+	if not settings_changed.is_connected(_on_selection_changed):
+		settings_changed.connect(_on_selection_changed)
+
+func _index_for_exec_path(installations: Array) -> int:
+	var current := EditorSettingsUtil.get_external_editor_path()
+	if current.is_empty():
+		return 0
+	for i in installations.size():
+		if installations[i].get("path", "") == current:
+			return i + 1
+	return 0
+
+func _on_selection_changed() -> void:
+	var selected_index := EditorSettingsUtil.get_rider_selector_index()
+
+	# settings_changed fires for every editor setting, this helps to avoid updating on every other changes
+	if selected_index == _last_selected_index:
+		return
+	_last_selected_index = selected_index
+
+	# Index 0 is the placeholder, so the path is left untouched.
+	if selected_index == 0:
+		return
+
+	var installation_index := selected_index - 1
+	if installation_index >= 0 and installation_index < _installations_found.size():
+		var installation = _installations_found[installation_index]
+		var new_path: String = installation.get("path", "")
+		if not new_path.is_empty():
+			EditorSettingsUtil.set_external_editor_path(new_path)