open method

Implementation

Future<bool> open(Map<String, String?>? parameters,
    {bool? refresh = false, WidgetModel? model, String? dependency}) async {
  bool ok = true;
  parameters ??= <String, String>{};

  String url = fromMap(parameters, 'url', defaultValue: "");
  bool modal = fromMapAsBool(parameters, 'modal', defaultValue: false) ?? false;

  String? transition = fromMap(parameters, 'transition');
  String? width = fromMap(parameters, 'width');
  String? height = fromMap(parameters, 'height');
  int? index = fromMapAsInt(parameters, 'index');
  bool? replace = fromMapAsBool(parameters, 'replace', defaultValue: false);
  bool? replaceAll =
  fromMapAsBool(parameters, 'replaceall', defaultValue: false);

  var uri = URI.parse(url);
  if (uri == null) return false;

  var d1 = uri.host.toLowerCase();
  var d2 = System.currentApp?.host?.toLowerCase();

  bool sameDomain = d1 == d2;
  bool xmlFile = uri.pageExtension == "xml";
  bool local = sameDomain && xmlFile;

  // We need to keep the file:// prefix as an indicator for fetch() that its a local file
  String? template = uri.domain.toLowerCase();

  // missing template?
  if (isNullOrEmpty(template)) {
    //await DialogService().show(type: DialogType.error, title: phrase.missingTemplate, description: url, buttons: [Text(phrase.ok)]);
    return ok;
  }

  // open external url in browser?
  if (!local) return _openBrowser(url);

  // open new page in modal window?
  if (modal && model != null) {
    bool ok = false;
    var framework = model.findParentOfExactType(FrameworkModel);
    if (framework != null) {
      var view = FrameworkModel.fromUrl(framework, url,
          refresh: refresh ?? false, dependency: dependency)
          .getView();
      ModalManagerView? manager =
      model.context?.findAncestorWidgetOfExactType<ModalManagerView>();
      if (manager != null) {
        var modal = ModalView(ModalModel(model, null,
            child: view, modal: false, width: width, height: height));
        manager.model.modals.add(modal);
        manager.model.refresh();
        ok = true;
      }
    }
    return ok;
  }

  /* replace */
  if (replace! && _pages.isNotEmpty) _pages.removeLast();

  /* replace all */
  if (replaceAll!) _pages.clear();

  /* open a new page */
  _open(url, transition: transition, index: index, dependency: dependency);

  return ok;
}