Add a messagebox

Author: Coding-Enthusiast

WatchOnlyBitcoinWallet/AllEnums.cs

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+// WatchOnlyBitcoinWallet
+// Copyright (c) 2016 Coding Enthusiast
+// Distributed under the MIT software license, see the accompanying
+// file LICENCE or http://www.opensource.org/licenses/mit-license.php.
+
+namespace WatchOnlyBitcoinWallet
+{
+    public enum MessageBoxType
+    {
+        Ok,
+        OkCancel,
+        YesNo,
+    }
+
+
+    public enum MessageBoxResult
+    {
+        Ok,
+        Cancel,
+        Yes,
+        No
+    }
+}

WatchOnlyBitcoinWallet/Assets/Attention.png

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+// WatchOnlyBitcoinWallet
+// Copyright (c) 2016 Coding Enthusiast
+// Distributed under the MIT software license, see the accompanying
+// file LICENCE or http://www.opensource.org/licenses/mit-license.php.
+
+using System;
+
+namespace WatchOnlyBitcoinWallet.ViewModels
+{
+    public class MessageBoxViewModel : ViewModelBase
+    {
+        public MessageBoxViewModel()
+        {
+            Message = "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et " +
+                      $"dolore magna aliqua. {Environment.NewLine}Ut enim ad minim veniam, quis nostrud exercitation ullamco " +
+                      $"laboris nisi ut aliquip ex ea commodo consequat.";
+            IsDualCommand = true;
+            CommandName1 = "cmd1";
+            CommandName2 = "cmd2";
+        }
+
+        public MessageBoxViewModel(MessageBoxType t, string message)
+        {
+            Message = message;
+            msgType = t;
+            switch (t)
+            {
+                case MessageBoxType.Ok:
+                    CommandName1 = "Ok";
+                    CommandName2 = string.Empty;
+                    IsDualCommand = false;
+                    break;
+                case MessageBoxType.OkCancel:
+                    CommandName1 = "OK";
+                    CommandName2 = "Cancel";
+                    IsDualCommand = true;
+                    break;
+                case MessageBoxType.YesNo:
+                    CommandName1 = "Yes";
+                    CommandName2 = "No";
+                    IsDualCommand = true;
+                    break;
+                default:
+                    throw new NotImplementedException();
+            }
+        }
+
+
+        private readonly MessageBoxType msgType;
+        public string Message { get; }
+        public bool IsDualCommand { get; }
+        public string CommandName1 { get; }
+        public string CommandName2 { get; }
+
+        public MessageBoxResult Result { get; private set; }
+
+        public void Command1()
+        {
+            Result = msgType switch
+            {
+                MessageBoxType.Ok => MessageBoxResult.Ok,
+                MessageBoxType.OkCancel => MessageBoxResult.Ok,
+                MessageBoxType.YesNo => MessageBoxResult.Yes,
+                _ => throw new NotImplementedException(),
+            };
+
+            RaiseCloseEvent();
+        }
+
+        public void Command2()
+        {
+            Result = msgType switch
+            {
+                MessageBoxType.Ok => throw new Exception("This should never happen."),
+                MessageBoxType.OkCancel => MessageBoxResult.Cancel,
+                MessageBoxType.YesNo => MessageBoxResult.No,
+                _ => throw new NotImplementedException(),
+            };
+
+            RaiseCloseEvent();
+        }
+    }
+}

WatchOnlyBitcoinWallet/ViewModels/MessageBoxViewModel.cs

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+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:vm="clr-namespace:WatchOnlyBitcoinWallet.ViewModels"
+             mc:Ignorable="d"
+             MaxWidth="400"
+             x:Class="WatchOnlyBitcoinWallet.Views.MessageBoxView">
+
+  <Design.DataContext>
+    <vm:MessageBoxViewModel/>
+  </Design.DataContext>
+
+  <Grid RowDefinitions="*,auto">
+    <Grid ColumnDefinitions="auto,*" Grid.Row="0">
+      <Image Source="/Assets/Attention.png"
+             Width="40"
+             Margin="5"
+             Grid.Column="0"/>
+      <TextBlock Text="{Binding Message}"
+                 TextWrapping="Wrap"
+                 Margin="10"
+                 Grid.Column="1"/>
+    </Grid>
+
+    <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" Spacing="10" Margin="5" Grid.Row="1">
+      <Button Content="{Binding CommandName1}"
+              Command="{Binding Command1}"
+              Height="30" Width="65"/>
+      <Button Content="{Binding CommandName2}"
+              Command="{Binding Command2}"
+              IsVisible="{Binding IsDualCommand}"
+              Height="30" Width="65"/>
+    </StackPanel>
+  </Grid>
+</UserControl>

WatchOnlyBitcoinWallet/Views/MessageBoxView.axaml

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+// WatchOnlyBitcoinWallet
+// Copyright (c) 2016 Coding Enthusiast
+// Distributed under the MIT software license, see the accompanying
+// file LICENCE or http://www.opensource.org/licenses/mit-license.php.
+
+using Avalonia.Controls;
+
+namespace WatchOnlyBitcoinWallet.Views
+{
+    public partial class MessageBoxView : UserControl
+    {
+        public MessageBoxView()
+        {
+            InitializeComponent();
+        }
+    }
+}