flutter_wisetronic/lib/widgets/desktop/desktop_navigationbar.dart

import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter_wisetronic/widgets/desktop/desktop_appbar_menu.dart';
import '../../widgets/general/breadcrumbs.dart';

import '../../constants.dart';
import '../../dialog/logout_dialog.dart';
import '../../events/eventbus.dart';
import '../../events/events.dart';
import '../../generated/l10n.dart';
import '../../models/user.dart';
import '../../routes.dart';
import '../../store/store.dart';
import '../../utils/utils.dart';
import '../../widgets/general/navigationbar_logo.dart';
import '../../widgets/general/text_link.dart';

class DesktopNavigationBar extends StatefulWidget {
  final bool hasBack;
  final List<BreadCrumb> breadCrumbs;
  final Widget shoppingCart;

  const DesktopNavigationBar({Key key, this.hasBack, this.breadCrumbs,
    this.shoppingCart}) : super(key: key);

  @override
  State<StatefulWidget> createState() {
    return DesktopNavigationBarState();
  }

}

class DesktopNavigationBarState extends State<DesktopNavigationBar> {
  User _user;

  @override
  Widget build(BuildContext context) {
    // String currentRoute = ModalRoute.of(context).settings.name;
    // Stack stack = Stack(
    //   children: [
    //     Container(
    //       color: Colors.blue,
    //       height: 80.0,
    //     ),
    //     Container(
    //       height: 80.0,
    //       padding: EdgeInsets.only(left: 10.0, right: 10.0, top: 5.0, bottom: 5.0),
    //       child: Row(
    //         mainAxisAlignment: MainAxisAlignment.spaceBetween,
    //         children: [
    //           NavigationBarLogo(),
    //           Expanded(
    //             child: Container(
    //               alignment: Alignment.centerRight,
    //               padding: EdgeInsets.only(left: 8.0, right: 16.0),
    //               child: SingleChildScrollView(
    //                 scrollDirection: Axis.horizontal,
    //                 child: Row(
    //                   mainAxisSize: MainAxisSize.min,
    //                   children: [
    //                     SizedBox(width: 20.0,),
    //                     TextLink(
    //                       S.of(context).home,
    //                       '/',
    //                       color: Colors.white,
    //                       selected: currentRoute == '/',
    //                       clearStack: true,
    //                     ),
    //                     SizedBox(width: 15.0,),
    //                     TextLink(
    //                       S.of(context).download,
    //                       '/download',
    //                       color: Colors.white,
    //                       selected: currentRoute == '/download',
    //                     ),
    //                     SizedBox(width: 15.0,),
    //                     TextLink(
    //                       S.of(context).tutorials,
    //                       '/tutorials',
    //                       color: Colors.white,
    //                       selected: currentRoute == '/tutorials',
    //                     ),
    //                     SizedBox(width: 15.0,),
    //                     TextLink(
    //                       S.of(context).support,
    //                       '/my-support/${Constants.BUSINESS_ID}',
    //                       color: Colors.white,
    //                       selected: currentRoute == '/my-support/${Constants.BUSINESS_ID}',
    //                     ),
    //                     SizedBox(width: 15.0,),
    //                     TextLink(
    //                       S.of(context).shop,
    //                       '/shop',
    //                       color: Colors.white,
    //                       selected: currentRoute == '/shop',
    //                     ),
    //                     SizedBox(width: 15.0,),
    //                     TextLink(
    //                       S.of(context).blog,
    //                       '/blog/${Constants.BUSINESS_ID}',
    //                       color: Colors.white,
    //                       selected: currentRoute == '/blog/${Constants.BUSINESS_ID}',
    //                     ),
    //                     SizedBox(width: 15.0,),
    //                     _user != null ?
    //                     (currentRoute == '/me') ?
    //                     MouseRegion(
    //                       cursor: SystemMouseCursors.click,
    //                       child: GestureDetector(
    //                         child: Row(
    //                           mainAxisAlignment: MainAxisAlignment.start,
    //                           crossAxisAlignment: CrossAxisAlignment.start,
    //                           children: [
    //                             Container(
    //                               padding: EdgeInsets.only(right: 4.0),
    //                               child: Text(
    //                                 S.of(context).logout,
    //                                 style: TextStyle(
    //                                   color: Colors.white,
    //                                 ),
    //                               ),
    //                             ),
    //                             Icon(
    //                               Icons.logout,
    //                               color: Colors.white,
    //                               size: 16.0,
    //                             )
    //                           ],
    //                         ),
    //                         onTap: () {
    //                           showDialog(
    //                               context: context,
    //                               builder: (BuildContext context) {
    //                                 return logoutDialog(context);
    //                               }
    //                           );
    //                         },
    //                       ),
    //                     ) : IconButton(
    //                       icon: Icon(
    //                         Icons.account_circle,
    //                         color: Colors.white,
    //                       ),
    //                       onPressed: () {
    //                         Routes.router.navigateTo(context, '/me');
    //                       },
    //                     ) :
    //                     TextLink(
    //                       S.of(context).login,
    //                       '/login',
    //                       color: Colors.white,
    //                       selected: currentRoute == '/login',
    //                     ),
    //                   ],
    //                 ),
    //               ),
    //             ),
    //           ),
    //         ],
    //       ),
    //     ),
    //   ],
    // );
    Widget sc = SizedBox.shrink();
    if (widget.shoppingCart != null) {
      sc = widget.shoppingCart;
    }
    Widget breadCrumbBar = SizedBox.shrink();
    if (widget.breadCrumbs != null && widget.breadCrumbs.length > 0) {
      breadCrumbBar = Container(
        width: MediaQuery.of(context).size.width,
        height: 38.0,
        color: Color(0xFF4FB0C6),
        child: Row(
          mainAxisAlignment: MainAxisAlignment.start,
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Expanded(
              child: BreadCrumbs(
                widget.hasBack ?? false,
                breadCrumbs: widget.breadCrumbs,
              ),
            ),
            sc,
            Container(
              width: 1.0,
            ),
          ],
        ),
      );
    }
    // stack.children.add(
    //   Positioned(
    //     top: 90.0,
    //     child: breadCrumbBar,
    //   ),
    // );
    return Column(
      mainAxisAlignment: MainAxisAlignment.start,
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        DesktopAppBarMenu(),
        breadCrumbBar,
      ],
    );
  }

  @override
  void initState() {
    super.initState();
    eventBus.on<OnCurrentUserUpdated>().listen((event) {
      if (mounted) {
        setState(() {
          _user = store.state.user;
        });
      }
    });

    eventBus.on<OnGetCurrentUserFailed>().listen((event) {
      if (mounted) {
        setState(() {
          _user = null;
        });
      }
    });

    WidgetsBinding.instance.addPostFrameCallback((timeStamp) {
      Utils.getCurrentUser();
    });
  }
}