enh: allow editing of event guid. Mark it red when wrong. (#171)

demo/addons/fmod/tool/property_editors/FmodPathEditorProperty.gd

@@ -3,12 +3,18 @@
 var ui: Control
 var guid_property: String
 var path_property: String
+var regex := RegEx.new()
+
+var default_line_edit_modulate: Color
 
 func initialize(open_project_explorer_callable: Callable, path_prop: String, guid_prop: String):
+ regex.compile("{\\w{8}-\\w{4}-\\w{4}-\\w{4}-\\w{12}}")
  guid_property = guid_prop
  path_property = path_prop
  var guid_and_path_ui: FmodGuidAndPathPropertyEditorUi = %FmodGuidAndPathPropertyEditorUi
 
+ default_line_edit_modulate = guid_and_path_ui.get_node("%GuidLineEdit").modulate
+
  var open_project_explorer_event = func open_project_explorer_event():
  open_project_explorer_callable.call(self._set_path_and_guid)
  guid_and_path_ui.set_callables(open_project_explorer_event, _set_path, _set_guid)
@@ -22,6 +28,11 @@ func _set_path(path: String):
  emit_changed(path_property, path)
 
 func _set_guid(guid: String):
+ var line_edit := %FmodGuidAndPathPropertyEditorUi.get_node("%GuidLineEdit") as LineEdit
+ if not regex.search(guid):
+ line_edit.modulate = Color.RED
+ return
+ line_edit.modulate = default_line_edit_modulate
  emit_changed(guid_property, guid)
 
 func _set_path_and_guid(path: String, guid: String):