Currency settings options

Author: InvertedX

lib/screens/settings/currency_settings.dart

@@ -0,0 +1,143 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import 'package:sentinelx/models/db/prefs_store.dart';
+import 'package:sentinelx/models/exchange/currencies.dart';
+import 'package:sentinelx/shared_state/rate_state.dart';
+
+class CurrencySettings extends StatefulWidget {
+  @override
+  _CurrencySettingsState createState() => _CurrencySettingsState();
+}
+
+class _CurrencySettingsState extends State<CurrencySettings> {
+  bool loading = false;
+  String selectedCurrency;
+
+  @override
+  Widget build(BuildContext context) {
+     selectedCurrency = RateState().provider.currency;
+
+    return Scaffold(
+      appBar: AppBar(
+        title: Text("Currency settings"),
+        bottom: UnderProgress(loading),
+      ),
+      backgroundColor: Theme.of(context).backgroundColor,
+      body: ListView(
+        children: <Widget>[
+          Divider(),
+          ListTile(
+            title: Text("Rate provider"),
+            subtitle: Text("Select exchange for fiat price"),
+            onTap: showProvider,
+          ),
+          Divider(),
+          ListTile(
+            title: Text("Select currency"),
+            subtitle: Text("$selectedCurrency"),
+            onTap: showCurrencyChooser,
+          ),
+          Divider(),
+        ],
+      ),
+    );
+  }
+
+  void showCurrencyChooser() {
+    showModalBottomSheet(
+        context: context,
+        builder: (context) {
+          return Card(
+            margin:  const EdgeInsets.all(8.0),
+            child: Consumer<RateState>(
+              builder: (context, rateState, _) {
+                return Container(
+                  height: double.infinity,
+                  child: ListView.separated(
+                    separatorBuilder: (b, c) => Divider(height: 1,),
+                    itemBuilder: (BuildContext context, int i) {
+                      String curr = rateState.provider.availableCurrencies[i];
+                      return ListTile(
+                        title: Text(curr),
+                        trailing: selectedCurrency ==  curr  ? Icon(Icons.check,color: Colors.greenAccent,): SizedBox.shrink(),
+                        onTap: () {
+                          this.setCurrency(rateState.provider.availableCurrencies[i]);
+                        },
+                      );
+                    },
+                    itemCount: rateState.provider.availableCurrencies.length,
+                  ),
+                );
+              },
+            ),
+          );
+        });
+  }
+
+  void setCurrency(String currency) async {
+    PrefsStore().put(PrefsStore.CURRENCY, currency);
+    setState(() {
+      loading = true;
+      selectedCurrency = currency;
+    });
+    Navigator.pop(context);
+    await RateState().setCurrency(currency);
+    setState(() {
+      loading = false;
+    });
+  }
+
+  showProvider  () {
+    List<String> providers = ["LocalBitcoins"];
+    String radioGroup = "LocalBitcoins";
+    showModalBottomSheet(
+        context: context,
+        builder: (context){
+          return Padding(
+            padding: const EdgeInsets.all(8.0),
+            child: Card(
+              child: Wrap(
+                direction: Axis.horizontal,
+                children: providers.map((provider) {
+                  return ListTile(
+                    dense: true,
+                    onTap: () {
+//                      onSelect(timeout);
+                    },
+                    title: Text('$provider'),
+                    trailing: Radio(
+                      value: provider,
+                      groupValue: radioGroup,
+                      onChanged: (va){},
+                    ),
+                  );
+                }).toList(),
+              ),
+            ),
+          );
+    });
+  }
+}
+
+class UnderProgress extends StatelessWidget implements PreferredSizeWidget {
+  final bool loading;
+
+  UnderProgress(this.loading);
+
+  @override
+  Widget build(BuildContext context) {
+    return AnimatedOpacity(
+      opacity: loading ? 1 : 0,
+      duration: Duration(milliseconds: 600),
+      child: Container(
+        height: 1,
+        child: LinearProgressIndicator(),
+      ),
+    );
+  }
+
+  @override
+  // TODO: implement preferredSize
+  Size get preferredSize => Size(double.infinity, 1);
+}

lib/screens/settings.dart lib/screens/settings/settings.dartlib/screens/settings.dart renamed to lib/screens/settings/settings.dart

@@ -5,6 +5,7 @@ import 'package:sentinelx/models/db/prefs_store.dart';
 import 'package:sentinelx/models/db/sentinelx_db.dart';
 import 'package:sentinelx/screens/Lock/lock_screen.dart';
 import 'package:sentinelx/screens/dojo_configure.dart';
+import 'package:sentinelx/screens/settings/currency_settings.dart';
 import 'package:sentinelx/shared_state/app_state.dart';
 import 'package:sentinelx/widgets/confirm_modal.dart';
 import 'package:sentinelx/widgets/port_selector.dart';
@@ -97,6 +98,25 @@ class _SettingsState extends State<Settings> {
               },
             ),
             Divider(),
+            ListTile(
+              leading: Padding(
+                padding: const EdgeInsets.symmetric(vertical: 12),
+                child: Icon(Icons.attach_money),
+              ),
+              title: Text(
+                "Currency Settings",
+                style: Theme.of(context).textTheme.subtitle,
+              ),
+              subtitle: Text("Choose street price"),
+              onTap: () {
+                Navigator.push(context, new MaterialPageRoute(
+                  builder: (c) {
+                    return CurrencySettings();
+                  },
+                ));
+              },
+            ),
+            Divider(),
             Container(
               padding: const EdgeInsets.symmetric(vertical: 6, horizontal: 18),
               child: Text(