From c3ddbc54f6577866b29c5b85c289c610c7f53f92 Mon Sep 17 00:00:00 2001
From: Alex Schearer <aschearer@gmail.com>
Date: Sun, 26 Feb 2017 16:16:54 -0800
Subject: [PATCH] Using converter parameter to invert boolean to visibility.

---
 .../UnitySizeExplorer.WPF.csproj              |  3 +--
 ...tor.cs => BooleanToVisibilityConverter.cs} | 10 ++++++++-
 .../InvertedBooleanToVisibilityConvertor.cs   | 21 -------------------
 .../Views/Pages/WorkspacePageView.xaml        | 11 +++++-----
 4 files changed, 15 insertions(+), 30 deletions(-)
 rename Source/UnitySizeExplorer.WPF/Views/{BooleanToVisibilityConvertor.cs => BooleanToVisibilityConverter.cs} (69%)
 delete mode 100644 Source/UnitySizeExplorer.WPF/Views/InvertedBooleanToVisibilityConvertor.cs

diff --git a/Source/UnitySizeExplorer.WPF/UnitySizeExplorer.WPF.csproj b/Source/UnitySizeExplorer.WPF/UnitySizeExplorer.WPF.csproj
index cada163..6362d03 100644
--- a/Source/UnitySizeExplorer.WPF/UnitySizeExplorer.WPF.csproj
+++ b/Source/UnitySizeExplorer.WPF/UnitySizeExplorer.WPF.csproj
@@ -94,8 +94,7 @@
     <Compile Include="ViewModels\FileItemViewModel.cs" />
     <Compile Include="ViewModels\Pages\StartPageViewModel.cs" />
     <Compile Include="ViewModels\BootstrapperViewModel.cs" />
-    <Compile Include="Views\InvertedBooleanToVisibilityConvertor.cs" />
-    <Compile Include="Views\BooleanToVisibilityConvertor.cs" />
+    <Compile Include="Views\BooleanToVisibilityConverter.cs" />
     <Compile Include="Views\Pages\StartPageView.xaml.cs">
       <DependentUpon>StartPageView.xaml</DependentUpon>
     </Compile>
diff --git a/Source/UnitySizeExplorer.WPF/Views/BooleanToVisibilityConvertor.cs b/Source/UnitySizeExplorer.WPF/Views/BooleanToVisibilityConverter.cs
similarity index 69%
rename from Source/UnitySizeExplorer.WPF/Views/BooleanToVisibilityConvertor.cs
rename to Source/UnitySizeExplorer.WPF/Views/BooleanToVisibilityConverter.cs
index 8f4db22..b1c2b7b 100644
--- a/Source/UnitySizeExplorer.WPF/Views/BooleanToVisibilityConvertor.cs
+++ b/Source/UnitySizeExplorer.WPF/Views/BooleanToVisibilityConverter.cs
@@ -5,11 +5,19 @@
     using System.Windows;
     using System.Windows.Data;
 
-    public class BooleanToVisibilityConvertor : IValueConverter
+    public class BooleanToVisibilityConverter : IValueConverter
     {
         public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
         {
             var boolValue = (bool)value;
+            if (parameter != null)
+            {
+                if (bool.Parse((string)parameter))
+                {
+                    boolValue = !boolValue;
+                }
+            }
+
             return boolValue ? Visibility.Visible : Visibility.Collapsed;
         }
 
diff --git a/Source/UnitySizeExplorer.WPF/Views/InvertedBooleanToVisibilityConvertor.cs b/Source/UnitySizeExplorer.WPF/Views/InvertedBooleanToVisibilityConvertor.cs
deleted file mode 100644
index e2b60b5..0000000
--- a/Source/UnitySizeExplorer.WPF/Views/InvertedBooleanToVisibilityConvertor.cs
+++ /dev/null
@@ -1,21 +0,0 @@
-namespace SpottedZebra.UnitySizeExplorer.WPF.Views
-{
-    using System;
-    using System.Globalization;
-    using System.Windows;
-    using System.Windows.Data;
-
-    public class InvertedBooleanToVisibilityConvertor : IValueConverter
-    {
-        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
-        {
-            var boolValue = (bool)value;
-            return boolValue ? Visibility.Collapsed : Visibility.Visible;
-        }
-
-        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
-        {
-            throw new NotImplementedException();
-        }
-    }
-}
diff --git a/Source/UnitySizeExplorer.WPF/Views/Pages/WorkspacePageView.xaml b/Source/UnitySizeExplorer.WPF/Views/Pages/WorkspacePageView.xaml
index 2d76c0f..de98b0d 100644
--- a/Source/UnitySizeExplorer.WPF/Views/Pages/WorkspacePageView.xaml
+++ b/Source/UnitySizeExplorer.WPF/Views/Pages/WorkspacePageView.xaml
@@ -21,18 +21,17 @@
     </UserControl.CommandBindings>
     <!-- Static Resources -->
     <UserControl.Resources>
-        <view:BooleanToVisibilityConvertor x:Key="BooleanToVisibilityConvertor" />
-        <view:InvertedBooleanToVisibilityConvertor x:Key="InvertedBooleanToVisibilityConvertor" />
+        <view:BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter" />
         <HierarchicalDataTemplate 
              x:Key="CheckBoxItemTemplate"
              ItemsSource="{Binding Children, Mode=OneTime}">
             <Grid HorizontalAlignment="Stretch">
                 <Grid.ContextMenu>
                     <ContextMenu>
-                        <MenuItem Header="Check" Visibility="{Binding IsChecked, Converter={StaticResource InvertedBooleanToVisibilityConvertor}}" Click="OnToggleCheckbox"/>
-                        <MenuItem Header="Uncheck" Visibility="{Binding IsChecked, Converter={StaticResource BooleanToVisibilityConvertor}}" Click="OnToggleCheckbox"/>
-                        <MenuItem Header="Expand" Visibility="{Binding IsExpanded, Converter={StaticResource InvertedBooleanToVisibilityConvertor}}" Click="OnToggleExpanded"/>
-                        <MenuItem Header="Collapse" Visibility="{Binding IsExpanded, Converter={StaticResource BooleanToVisibilityConvertor}}" Click="OnToggleExpanded"/>
+                        <MenuItem Header="Check" Visibility="{Binding IsChecked, Converter={StaticResource BooleanToVisibilityConverter}, ConverterParameter=TRUE}" Click="OnToggleCheckbox"/>
+                        <MenuItem Header="Uncheck" Visibility="{Binding IsChecked, Converter={StaticResource BooleanToVisibilityConverter}}" Click="OnToggleCheckbox"/>
+                        <MenuItem Header="Expand" Visibility="{Binding IsExpanded, Converter={StaticResource BooleanToVisibilityConverter}, ConverterParameter=TRUE}" Click="OnToggleExpanded"/>
+                        <MenuItem Header="Collapse" Visibility="{Binding IsExpanded, Converter={StaticResource BooleanToVisibilityConverter}}" Click="OnToggleExpanded"/>
                         <MenuItem Header="Hide" Click="OnHideItem"/>
                         <Separator />
                         <MenuItem Header="Open in File Explorer" Click="OnOpenFileExplorer"/>