From 495436828421bd42379afca6f5283da97e6a4659 Mon Sep 17 00:00:00 2001
From: Joseph Doherty <dohejw01@gmail.com>
Date: Thu, 22 Jan 2026 07:21:11 -0500
Subject: [PATCH] feat(configmanager): add RegexEditorView Avalonia UI

Implements editor with:
- Column name input
- Mode toggle (Find & Replace / Match & Extract)
- Pattern and Replacement inputs
- Case insensitive checkbox
- NonMatchBehavior dropdown
- Live test/preview section with result display
- Pattern examples help box
---
 .../TransformerStepViewModels.cs              |   4 +
 .../Views/Editors/RegexEditorView.axaml       | 180 ++++++++++++++++++
 .../Views/Editors/RegexEditorView.axaml.cs    |  11 ++
 3 files changed, 195 insertions(+)
 create mode 100644 NEW/src/Utils/JdeScoping.ConfigManager/Views/Editors/RegexEditorView.axaml
 create mode 100644 NEW/src/Utils/JdeScoping.ConfigManager/Views/Editors/RegexEditorView.axaml.cs

diff --git a/NEW/src/Utils/JdeScoping.ConfigManager/ViewModels/PipelineSteps/TransformerStepViewModels.cs b/NEW/src/Utils/JdeScoping.ConfigManager/ViewModels/PipelineSteps/TransformerStepViewModels.cs
index 59c5479..9450c8b 100644
--- a/NEW/src/Utils/JdeScoping.ConfigManager/ViewModels/PipelineSteps/TransformerStepViewModels.cs
+++ b/NEW/src/Utils/JdeScoping.ConfigManager/ViewModels/PipelineSteps/TransformerStepViewModels.cs
@@ -423,6 +423,10 @@ public class RegexTransformerViewModel : TransformerStepViewModelBase
         }
     }
 
+    /// <summary>Gets the available non-match behavior options for binding.</summary>
+    public static IReadOnlyList<NonMatchBehavior> NonMatchBehaviorOptions { get; } =
+        [NonMatchBehavior.KeepOriginal, NonMatchBehavior.ReturnNull, NonMatchBehavior.ReturnEmpty];
+
     // Test feature properties
     public string TestInput
     {
diff --git a/NEW/src/Utils/JdeScoping.ConfigManager/Views/Editors/RegexEditorView.axaml b/NEW/src/Utils/JdeScoping.ConfigManager/Views/Editors/RegexEditorView.axaml
new file mode 100644
index 0000000..397e679
--- /dev/null
+++ b/NEW/src/Utils/JdeScoping.ConfigManager/Views/Editors/RegexEditorView.axaml
@@ -0,0 +1,180 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:steps="using:JdeScoping.ConfigManager.ViewModels.PipelineSteps"
+             x:Class="JdeScoping.ConfigManager.Views.Editors.RegexEditorView"
+             x:DataType="steps:RegexTransformerViewModel">
+
+    <StackPanel Spacing="16">
+        <!-- Header -->
+        <StackPanel>
+            <TextBlock Text="Regex Transformer"
+                       Foreground="#E6EDF5" FontSize="14" FontWeight="SemiBold"/>
+            <TextBlock Text="Transform column values using regular expressions"
+                       Foreground="#5C6A7A" FontSize="11"/>
+        </StackPanel>
+
+        <!-- Column Name -->
+        <StackPanel Spacing="4">
+            <StackPanel Orientation="Horizontal" Spacing="2">
+                <TextBlock Text="Column"
+                           Foreground="#9BA8B8" FontSize="12" FontWeight="Medium"/>
+                <TextBlock Text="*" Foreground="#FF6B6B" FontSize="12"/>
+            </StackPanel>
+            <TextBox Text="{Binding ColumnName}"
+                     Background="#232A35" Foreground="#E6EDF5"
+                     BorderBrush="#3D4550" Height="36"
+                     FontFamily="JetBrains Mono"
+                     Watermark="BatchID"/>
+            <TextBlock Text="Column to apply the regex transformation"
+                       Foreground="#5C6A7A" FontSize="11"/>
+        </StackPanel>
+
+        <!-- Mode Selection -->
+        <StackPanel Spacing="4">
+            <TextBlock Text="Mode" Foreground="#9BA8B8" FontSize="12" FontWeight="Medium"/>
+            <StackPanel Orientation="Horizontal" Spacing="12">
+                <RadioButton GroupName="RegexMode"
+                             IsChecked="{Binding IsFindReplaceMode}"
+                             Foreground="#E6EDF5">
+                    <TextBlock Text="Find &amp; Replace" FontSize="12"/>
+                </RadioButton>
+                <RadioButton GroupName="RegexMode"
+                             IsChecked="{Binding IsMatchExtractMode}"
+                             Foreground="#E6EDF5">
+                    <TextBlock Text="Match &amp; Extract" FontSize="12"/>
+                </RadioButton>
+            </StackPanel>
+        </StackPanel>
+
+        <!-- Pattern -->
+        <StackPanel Spacing="4">
+            <StackPanel Orientation="Horizontal" Spacing="2">
+                <TextBlock Text="Pattern"
+                           Foreground="#9BA8B8" FontSize="12" FontWeight="Medium"/>
+                <TextBlock Text="*" Foreground="#FF6B6B" FontSize="12"/>
+            </StackPanel>
+            <TextBox Text="{Binding Pattern}"
+                     Background="#232A35" Foreground="#E6EDF5"
+                     BorderBrush="#3D4550" Height="36"
+                     FontFamily="JetBrains Mono"
+                     Watermark="^IIS_"/>
+            <TextBlock Text="{Binding PatternHelpText}"
+                       Foreground="#5C6A7A" FontSize="11"/>
+        </StackPanel>
+
+        <!-- Replacement (only visible in Find & Replace mode) -->
+        <StackPanel Spacing="4" IsVisible="{Binding IsFindReplaceMode}">
+            <TextBlock Text="Replacement"
+                       Foreground="#9BA8B8" FontSize="12" FontWeight="Medium"/>
+            <TextBox Text="{Binding Replacement}"
+                     Background="#232A35" Foreground="#E6EDF5"
+                     BorderBrush="#3D4550" Height="36"
+                     FontFamily="JetBrains Mono"
+                     Watermark="(empty to remove)"/>
+            <TextBlock Text="Text to replace matches with (use $1, $2 for capture groups)"
+                       Foreground="#5C6A7A" FontSize="11"/>
+        </StackPanel>
+
+        <!-- Options Row -->
+        <StackPanel Spacing="8">
+            <TextBlock Text="Options" Foreground="#9BA8B8" FontSize="12" FontWeight="Medium"/>
+
+            <Grid ColumnDefinitions="*,*" RowDefinitions="Auto">
+                <!-- Case Insensitive Toggle -->
+                <CheckBox Grid.Column="0"
+                          IsChecked="{Binding IgnoreCase}"
+                          Foreground="#E6EDF5" FontSize="12">
+                    <TextBlock Text="Case Insensitive" FontSize="12"/>
+                </CheckBox>
+
+                <!-- Non-Match Behavior -->
+                <StackPanel Grid.Column="1" Spacing="4">
+                    <TextBlock Text="If No Match"
+                               Foreground="#5C6A7A" FontSize="11"/>
+                    <ComboBox SelectedItem="{Binding NonMatchBehavior}"
+                              ItemsSource="{Binding NonMatchBehaviorOptions}"
+                              Background="#232A35" Foreground="#E6EDF5"
+                              BorderBrush="#3D4550" Height="32"
+                              FontSize="11" MinWidth="140"/>
+                </StackPanel>
+            </Grid>
+        </StackPanel>
+
+        <!-- Test/Preview Section -->
+        <Border Background="#151920" BorderBrush="#2D3540" BorderThickness="1"
+                CornerRadius="4" Padding="12" Margin="0,8,0,0">
+            <StackPanel Spacing="12">
+                <TextBlock Text="Test Pattern"
+                           Foreground="#9BA8B8" FontSize="12" FontWeight="Medium"/>
+
+                <!-- Test Input Row -->
+                <Grid ColumnDefinitions="*,8,Auto">
+                    <TextBox Grid.Column="0"
+                             Text="{Binding TestInput}"
+                             Background="#232A35" Foreground="#E6EDF5"
+                             BorderBrush="#3D4550" Height="36"
+                             FontFamily="JetBrains Mono"
+                             Watermark="IIS_12345"/>
+                    <Button Grid.Column="2"
+                            Content="Test"
+                            Background="#3B82F6" Foreground="#FFFFFF"
+                            BorderThickness="0" Height="36"
+                            Padding="16,0"
+                            Command="{Binding TestPatternCommand}"/>
+                </Grid>
+
+                <!-- Result Display -->
+                <Border Background="#0D0F12" BorderBrush="#2D3540" BorderThickness="1"
+                        CornerRadius="4" Padding="10" MinHeight="44"
+                        IsVisible="{Binding HasTestResult}">
+                    <Grid ColumnDefinitions="Auto,8,*">
+                        <!-- Status Icon -->
+                        <Border Grid.Column="0"
+                                Width="24" Height="24" CornerRadius="12"
+                                Background="{Binding TestResultBackground}"
+                                VerticalAlignment="Center">
+                            <TextBlock Text="{Binding TestResultIcon}"
+                                       Foreground="#FFFFFF"
+                                       FontSize="12" FontWeight="Bold"
+                                       HorizontalAlignment="Center"
+                                       VerticalAlignment="Center"/>
+                        </Border>
+
+                        <!-- Result Text -->
+                        <StackPanel Grid.Column="2" Spacing="2" VerticalAlignment="Center">
+                            <TextBlock Text="{Binding TestResultLabel}"
+                                       Foreground="#5C6A7A" FontSize="10"/>
+                            <TextBlock Text="{Binding TestResultValue}"
+                                       Foreground="#E6EDF5" FontSize="12"
+                                       FontFamily="JetBrains Mono"/>
+                        </StackPanel>
+                    </Grid>
+                </Border>
+
+                <!-- Error Display -->
+                <Border Background="#2D1F1F" BorderBrush="#5C2626" BorderThickness="1"
+                        CornerRadius="4" Padding="10"
+                        IsVisible="{Binding HasTestError}">
+                    <StackPanel Spacing="2">
+                        <TextBlock Text="Invalid Pattern"
+                                   Foreground="#FF6B6B" FontSize="11" FontWeight="Medium"/>
+                        <TextBlock Text="{Binding TestErrorMessage}"
+                                   Foreground="#CC8888" FontSize="11"
+                                   TextWrapping="Wrap"/>
+                    </StackPanel>
+                </Border>
+            </StackPanel>
+        </Border>
+
+        <!-- Help Info -->
+        <Border Background="#151920" BorderBrush="#2D3540" BorderThickness="1"
+                CornerRadius="4" Padding="12" Margin="0,4,0,0">
+            <StackPanel Spacing="4">
+                <TextBlock Text="Pattern Examples" Foreground="#9BA8B8" FontSize="11" FontWeight="Medium"/>
+                <TextBlock Text="  ^IIS_        Remove 'IIS_' prefix" Foreground="#5C6A7A" FontSize="10" FontFamily="JetBrains Mono"/>
+                <TextBlock Text="  _SUFFIX$     Remove '_SUFFIX' at end" Foreground="#5C6A7A" FontSize="10" FontFamily="JetBrains Mono"/>
+                <TextBlock Text="  (\d+)        Extract first number" Foreground="#5C6A7A" FontSize="10" FontFamily="JetBrains Mono"/>
+            </StackPanel>
+        </Border>
+    </StackPanel>
+</UserControl>
diff --git a/NEW/src/Utils/JdeScoping.ConfigManager/Views/Editors/RegexEditorView.axaml.cs b/NEW/src/Utils/JdeScoping.ConfigManager/Views/Editors/RegexEditorView.axaml.cs
new file mode 100644
index 0000000..aaa2c68
--- /dev/null
+++ b/NEW/src/Utils/JdeScoping.ConfigManager/Views/Editors/RegexEditorView.axaml.cs
@@ -0,0 +1,11 @@
+using Avalonia.Controls;
+
+namespace JdeScoping.ConfigManager.Views.Editors;
+
+public partial class RegexEditorView : UserControl
+{
+    public RegexEditorView()
+    {
+        InitializeComponent();
+    }
+}