loadFile method

Future<void> loadFile(String path)

Implementation

Future<void> loadFile(String path) async {
  var json = "";
  if (path.startsWith("assets:")) {
    json = await rootBundle.loadString(path.replaceFirst(":", "/"));
  }
  else {
    final file = File(path);

    try {
      json = await file.readAsString();
    }
    catch (e) {
      showErrorDialog(context, e.toString());
    }
  }

  try {
    var root = JSON.deserialize<WidgetData>(jsonDecode(json));

    this.path = path;

    if (!paths.contains(path))
      paths.add(path);

    flushSettings(write: true);

    setState(() {
      models = [root];

      environment.get<MessageBus>().publish("load", LoadEvent(widget: root, source: this));
      environment.get<MessageBus>().publish("selection", SelectionEvent(selection: null, source: this));

      showInfoToast("loaded $path");
      updateCommandState();
    });
  }
  catch(e) {
    showErrorDialog(context, e.toString());
  }
}