Allow flag JSON importing to be done by copy-paste

Bloxstrap/UI/Elements/Dialogs/AddFastFlagDialog.xaml

@@ -33,10 +33,10 @@
                 <ColumnDefinition Width="*" />
             </Grid.ColumnDefinitions>
 
-            <TextBlock Grid.Row="0" Grid.Column="0" VerticalAlignment="Center" MinWidth="100" Text="Flag name" Margin="0,0,0,12" />
+            <TextBlock Grid.Row="0" Grid.Column="0" VerticalAlignment="Center" MinWidth="100" Text="Name" Margin="0,0,0,12" />
             <TextBox Grid.Row="0" Grid.Column="1" Name="FlagNameTextBox" Margin="0,0,0,12" />
 
-            <TextBlock Grid.Row="1" Grid.Column="0" VerticalAlignment="Center" MinWidth="100" Text="Flag value" />
+            <TextBlock Grid.Row="1" Grid.Column="0" VerticalAlignment="Center" MinWidth="100" Text="Value" />
             <TextBox Grid.Row="1" Grid.Column="1" Name="FlagValueTextBox" />
         </Grid>
 

Bloxstrap/UI/Elements/Dialogs/BulkAddFastFlagDialog.xaml

@@ -0,0 +1,60 @@
+<ui:UiWindow x:Class="Bloxstrap.UI.Elements.Dialogs.BulkAddFastFlagDialog"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        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:ui="http://schemas.lepo.co/wpfui/2022/xaml"
+        xmlns:local="clr-namespace:Bloxstrap.UI.Elements.Dialogs"
+        mc:Ignorable="d"
+        Title="Import JSON" 
+        MinHeight="0"
+        Width="480"
+        SizeToContent="Height"
+        ResizeMode="NoResize"
+        Background="{ui:ThemeResource ApplicationBackgroundBrush}"
+        ExtendsContentIntoTitleBar="True"
+        WindowStartupLocation="CenterScreen">
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto" />
+            <RowDefinition Height="*" />
+            <RowDefinition Height="Auto" />
+        </Grid.RowDefinitions>
+
+        <ui:TitleBar Grid.Row="0" Grid.ColumnSpan="2" Padding="8" Title="Import JSON" ShowMinimize="False" ShowMaximize="False" CanMaximize="False" KeyboardNavigation.TabNavigation="None" />
+
+        <Grid Grid.Row="1" Margin="8,4,8,4">
+            <TextBox x:Name="JsonTextBox" Margin="5" AcceptsTab="True" AcceptsReturn="True" MinHeight="80" MaxHeight="480" />
+            <TextBlock IsHitTestVisible="False" Margin="18,14,0,0" Foreground="DarkGray">
+                <TextBlock.Style>
+                    <Style TargetType="{x:Type TextBlock}">
+                        <Setter Property="Visibility" Value="Collapsed"/>
+                        <Style.Triggers>
+                            <DataTrigger Binding="{Binding Text, ElementName=JsonTextBox}" Value="">
+                                <Setter Property="Visibility" Value="Visible"/>
+                            </DataTrigger>
+                        </Style.Triggers>
+                    </Style>
+                </TextBlock.Style>
+                 Paste in your JSON here...
+            </TextBlock>
+        </Grid>
+
+        <Border Grid.Row="3" Margin="0,10,0,0" Padding="15" Background="{ui:ThemeResource SolidBackgroundFillColorSecondaryBrush}">
+            <StackPanel Orientation="Horizontal" FlowDirection="LeftToRight" HorizontalAlignment="Right">
+                <Button MinWidth="100" Content="OK" Click="OKButton_Click">
+                    <Button.Style>
+                        <Style TargetType="Button" BasedOn="{StaticResource {x:Type Button}}">
+                            <Style.Triggers>
+                                <DataTrigger Binding="{Binding ElementName=JsonTextBox, Path=Text.Length}" Value="0">
+                                    <Setter Property="IsEnabled" Value="False" />
+                                </DataTrigger>
+                            </Style.Triggers>
+                        </Style>
+                    </Button.Style>
+                </Button>
+                <Button MinWidth="100" Margin="12,0,0,0" Content="Cancel" IsCancel="True" />
+            </StackPanel>
+        </Border>
+    </Grid>
+</ui:UiWindow>

Bloxstrap/UI/Elements/Dialogs/BulkAddFastFlagDialog.xaml.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Shapes;
+
+namespace Bloxstrap.UI.Elements.Dialogs
+{
+    /// <summary>
+    /// Interaction logic for BulkAddFastFlagDialog.xaml
+    /// </summary>
+    public partial class BulkAddFastFlagDialog
+    {
+        public MessageBoxResult Result = MessageBoxResult.Cancel;
+
+        public BulkAddFastFlagDialog()
+        {
+            InitializeComponent();
+        }
+
+        private void OKButton_Click(object sender, RoutedEventArgs e)
+        {
+            Result = MessageBoxResult.OK;
+            Close();
+        }
+    }
+}

Bloxstrap/UI/Elements/Menu/Pages/FastFlagEditorPage.xaml.cs

@@ -215,20 +215,38 @@ namespace Bloxstrap.UI.Elements.Menu.Pages
 
         private void ImportJSONButton_Click(object sender, RoutedEventArgs e)
         {
-            var dialog = new OpenFileDialog
+            string json = "";
-            {
+            Dictionary<string, object>? list = null;
-                Filter = "JSON files|*.json|All files|*.*"
-            };
 
-            if (dialog.ShowDialog() != true)
+            while (list is null)
+            { 
+                var dialog = new BulkAddFastFlagDialog();
+                dialog.JsonTextBox.Text = json;
+                dialog.ShowDialog();
+
+                if (dialog.Result != MessageBoxResult.OK)
                     return;
 
+                json = dialog.JsonTextBox.Text;
+
                 try
                 {
-                var list = JsonSerializer.Deserialize<Dictionary<string, object>>(File.ReadAllText(dialog.FileName));
+                    list = JsonSerializer.Deserialize<Dictionary<string, object>>(json);
 
                     if (list is null)
                         throw new Exception("JSON deserialization returned null");
+                }
+                catch (Exception ex) 
+                {
+                    Controls.ShowMessageBox(
+                        "The JSON you've entered does not appear to be valid. Please double check it and try again.\n" +
+                        "\n" +
+                        "More information:\n" +
+                        $"{ex.Message}",
+                        MessageBoxImage.Error
+                    );
+                }
+            }
 
             var conflictingFlags = App.FastFlags.Prop.Where(x => list.ContainsKey(x.Key)).Select(x => x.Key);
             bool overwriteConflicting = false;
@@ -257,17 +275,6 @@ namespace Bloxstrap.UI.Elements.Menu.Pages
 
             ClearSearch();
         }
-            catch (Exception ex)
-            {
-                Controls.ShowMessageBox(
-                    "The file you've selected does not appear to be valid JSON. Please double check the file contents and try again.\n" +
-                    "\n" + 
-                    "More information:\n" +
-                    $"{ex.Message}",
-                    MessageBoxImage.Error
-                );
-            }
-        }
 
         private void SearchTextBox_TextChanged(object sender, TextChangedEventArgs e)
         {