From 738d719fecceb7c36b5967d4f7f24eda66354d8a Mon Sep 17 00:00:00 2001
From: OleksandrSobol <dr.alexander.sobol@gmail.com>
Date: Fri, 2 Oct 2020 19:30:13 +0300
Subject: [PATCH] CAKE-104 | added description parameter to the picker; applied
 description text in the present provider picker

---
 .../widgets/present_provider_picker.dart      |  3 +++
 lib/src/widgets/picker.dart                   | 22 +++++++++++++++++++
 2 files changed, 25 insertions(+)

diff --git a/lib/src/screens/exchange/widgets/present_provider_picker.dart b/lib/src/screens/exchange/widgets/present_provider_picker.dart
index f4cc7abf1..714bc0bc3 100644
--- a/lib/src/screens/exchange/widgets/present_provider_picker.dart
+++ b/lib/src/screens/exchange/widgets/present_provider_picker.dart
@@ -58,11 +58,13 @@ class PresentProviderPicker extends StatelessWidget {
     final items = exchangeViewModel.providersForCurrentPair();
     final selectedItem = items.indexOf(exchangeViewModel.provider);
     final images = <Image>[];
+    String description;
 
     for (var provider in items) {
       switch (provider.description) {
         case ExchangeProviderDescription.xmrto:
           images.add(Image.asset('assets/images/xmr_btc.png'));
+          description = 'To choose ChangeNOW  or MorphToken, please change your trading pair first';
           break;
         case ExchangeProviderDescription.changeNow:
           images.add(Image.asset('assets/images/change_now.png'));
@@ -79,6 +81,7 @@ class PresentProviderPicker extends StatelessWidget {
             images: images,
             selectedAtIndex: selectedItem,
             title: S.of(context).change_exchange_provider,
+            description: description,
             onItemSelected: (ExchangeProvider provider) =>
                 exchangeViewModel.changeProvider(provider: provider)),
         context: context);
diff --git a/lib/src/widgets/picker.dart b/lib/src/widgets/picker.dart
index 935237573..17db6e82e 100644
--- a/lib/src/widgets/picker.dart
+++ b/lib/src/widgets/picker.dart
@@ -12,6 +12,7 @@ class Picker<Item extends Object> extends StatefulWidget {
     @required this.items,
     this.images,
     @required this.title,
+    this.description,
     @required this.onItemSelected,
     this.mainAxisAlignment = MainAxisAlignment.start,
     this.isAlwaysShowScrollThumb = false
@@ -21,6 +22,7 @@ class Picker<Item extends Object> extends StatefulWidget {
   final List<Item> items;
   final List<Image> images;
   final String title;
+  final String description;
   final Function(Item) onItemSelected;
   final MainAxisAlignment mainAxisAlignment;
   final bool isAlwaysShowScrollThumb;
@@ -145,6 +147,26 @@ class PickerState<Item> extends State<Picker> {
                                   );
                                 },
                               ),
+                              ((widget.description != null)
+                                  &&(widget.description.isNotEmpty))
+                              ? Positioned(
+                                bottom: 24,
+                                left: 24,
+                                right: 24,
+                                child: Text(
+                                  widget.description,
+                                  textAlign: TextAlign.center,
+                                  style: TextStyle(
+                                    fontSize: 12,
+                                    fontWeight: FontWeight.w500,
+                                    fontFamily: 'Poppins',
+                                    decoration: TextDecoration.none,
+                                    color: Theme.of(context).primaryTextTheme
+                                        .title.color
+                                  ),
+                                )
+                              )
+                              : Offstage(),
                               widget.isAlwaysShowScrollThumb
                                   ? CakeScrollbar(
                                   backgroundHeight: backgroundHeight,