build method

Implementation

@override
Widget build(BuildContext context) {
  List<Locale> supportedLang = widget
      .appAttributes
      .appSettings
      .supportedLocales!
      .map((element) => Locale(element))
      .toList();
  assert(
    supportedLang.length <= 2 && supportedLang.isNotEmpty,
    "For now only max. 2 different lang are supported. And you need at least 1 :)",
  );
  Locale currentLocale = supportedLang[0];
  if (widget.appAttributes.useOtherLanguageMode != null) {
    if (supportedLang.length == 2) {
      if ((Localizations.localeOf(context) == supportedLang[0] &&
              widget.appAttributes.useOtherLanguageMode!) ||
          (Localizations.localeOf(context) == supportedLang[1])) {
        currentLocale = supportedLang[1];
      }
    }
  }
  return Localizations.override(
    context: context,
    locale: currentLocale,
    child: SelectionArea(
      child: Builder(
        builder: (context) {
          return AnimatedBuilder(
            animation: widget.controller,
            builder: (context, child) {
              return NavigationTransition(
                footer: widget.footer,
                showFooter:
                    (widget.appAttributes.showLargeSizeLayout ||
                        widget.appAttributes.showMediumSizeLayout) &&
                    !widget.appAttributes.appSettings.disableFooter,
                scaffoldKey: widget.scaffoldKey,
                animationController: widget.controller,
                railAnimation: widget.appAttributes.railAnimation,
                appBar: _createAppBar(Localizations.localeOf(context)),
                body: Expanded(child: widget.navigationShell),
                navigationRail: NavigationRail(
                  extended: widget.appAttributes.showLargeSizeLayout,
                  destinations: widget.appAttributes.screenConfigurations
                      .getNavRailDestinations(context),
                  selectedIndex:
                      (widget.navigationShell.currentIndex <
                          widget.appAttributes.screenConfigurations
                              .getAppBarDestinations(context)
                              .length)
                      ? widget.navigationShell.currentIndex
                      : currentNavBarIndex,
                  onDestinationSelected: (index) {
                    widget.handleChangedPageIndex(index);
                    currentNavBarIndex = index;
                    widget.navigationShell.goBranch(currentNavBarIndex);
                  },
                  trailing: Expanded(
                    child: Padding(
                      padding: const EdgeInsets.only(bottom: 20),
                      child: widget.appAttributes.showLargeSizeLayout
                          ? ExpandedTrailingActions(
                              buttonNames: widget.appAttributes.homeConfig
                                  .getButtonNames(context),
                              appAttributes: widget.appAttributes,
                            )
                          : TrailingActions(
                              appAttributes: widget.appAttributes,
                            ),
                    ),
                  ),
                ),
                navigationBar: NavigationBars(
                  screenConfigurations:
                      widget.appAttributes.screenConfigurations,
                  currentNavBarIndex:
                      (widget.navigationShell.currentIndex <
                          widget.appAttributes.screenConfigurations
                              .getAppBarDestinations(context)
                              .length)
                      ? widget.navigationShell.currentIndex
                      : currentNavBarIndex,
                  navigationShell: widget.navigationShell,
                  handleChangedNavBarIndex: (index) {
                    currentNavBarIndex = index;
                    widget.navigationShell.goBranch(index);
                  },
                ),
              );
            },
          );
        },
      ),
    ),
  );
}