cwtch-ui/lib/views/serversview.dart

import 'package:cwtch/models/servers.dart';
import 'package:cwtch/views/addeditservers.dart';
import 'package:cwtch/widgets/passwordfield.dart';
import 'package:cwtch/widgets/serverrow.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:flutter_gen/gen_l10n/app_localizations.dart';

import '../cwtch_icons_icons.dart';
import '../main.dart';
import '../settings.dart';

///
class ServersView extends StatefulWidget {
  @override
  _ServersView createState() => _ServersView();
}

class _ServersView extends State<ServersView> {
  final ctrlrPassword = TextEditingController();

  @override
  void dispose() {
    ctrlrPassword.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
        backgroundColor: Provider.of<Settings>(context, listen: false).theme.backgroundMainColor,
        appBar: AppBar(
          title: Text(MediaQuery.of(context).size.width > 600 ? AppLocalizations.of(context)!.serversManagerTitleLong : AppLocalizations.of(context)!.serversManagerTitleShort),
          actions: getActions(),
        ),
        floatingActionButton: FloatingActionButton(
          onPressed: _pushAddServer,
          tooltip: AppLocalizations.of(context)!.addServerTooltip,
          child: Icon(
            Icons.add,
            semanticLabel: AppLocalizations.of(context)!.addServerTooltip,
            color: Provider.of<Settings>(context).theme.defaultButtonTextColor,
          ),
        ),
        body: Consumer<ServerListState>(
          builder: (context, svrs, child) {
            final tiles = svrs.servers.map(
              (ServerInfoState server) {
                return ChangeNotifierProvider<ServerInfoState>.value(
                  value: server,
                  builder: (context, child) => RepaintBoundary(child: ServerRow()),
                );
              },
            );

            final divided = ListTile.divideTiles(
              context: context,
              tiles: tiles,
            ).toList();

            if (tiles.isEmpty) {
              return Center(
                  child: Text(
                AppLocalizations.of(context)!.unlockServerTip,
                textAlign: TextAlign.center,
              ));
            }

            return ListView(children: divided);
          },
        ));
  }

  List<Widget> getActions() {
    List<Widget> actions = new List<Widget>.empty(growable: true);

    // Unlock Profiles
    actions.add(IconButton(
      icon: Icon(CwtchIcons.lock_open_24px),
      color: Provider.of<ServerListState>(context).servers.isEmpty ? Provider.of<Settings>(context).theme.defaultButtonColor : Provider.of<Settings>(context).theme.mainTextColor,
      tooltip: AppLocalizations.of(context)!.tooltipUnlockProfiles,
      onPressed: _modalUnlockServers,
    ));

    return actions;
  }

  void _modalUnlockServers() {
    showModalBottomSheet<void>(
        context: context,
        isScrollControlled: true,
        builder: (BuildContext context) {
          return Padding(
              padding: MediaQuery.of(context).viewInsets,
              child: RepaintBoundary(
                  child: Container(
                height: 200, // bespoke value courtesy of the [TextField] docs
                child: Center(
                    child: Padding(
                        padding: EdgeInsets.all(10.0),
                        child: Column(
                          mainAxisAlignment: MainAxisAlignment.center,
                          mainAxisSize: MainAxisSize.min,
                          children: <Widget>[
                            Text(AppLocalizations.of(context)!.enterServerPassword),
                            SizedBox(
                              height: 20,
                            ),
                            CwtchPasswordField(
                              autofocus: true,
                              controller: ctrlrPassword,
                              action: unlock,
                              validator: (value) {
                                return null;
                              },
                            ),
                            SizedBox(
                              height: 20,
                            ),
                            Row(mainAxisAlignment: MainAxisAlignment.spaceEvenly, children: [
                              Spacer(),
                              Expanded(
                                  child: ElevatedButton(
                                child: Text(AppLocalizations.of(context)!.unlock, semanticsLabel: AppLocalizations.of(context)!.unlock),
                                onPressed: () {
                                  unlock(ctrlrPassword.value.text);
                                },
                              )),
                              Spacer()
                            ]),
                          ],
                        ))),
              )));
        });
  }

  void unlock(String password) {
    Provider.of<FlwtchState>(context, listen: false).cwtch.LoadServers(password);
    ctrlrPassword.text = "";
    Navigator.pop(context);
  }

  void _pushAddServer() {
    Navigator.of(context).push(
      PageRouteBuilder(
        pageBuilder: (bcontext, a1, a2) {
          return MultiProvider(
            providers: [
              ChangeNotifierProvider<ServerInfoState>(
                create: (_) => ServerInfoState(onion: "", serverBundle: "", description: "", autoStart: true, running: false, isEncrypted: true),
              )
            ],
            child: AddEditServerView(),
          );
        },
        transitionsBuilder: (c, anim, a2, child) => FadeTransition(opacity: anim, child: child),
        transitionDuration: Duration(milliseconds: 200),
      ),
    );
  }
}