Bumped version to 1.0.3-beta2

* Fixed a crash caused by null selected blocks

Filtration/Filtration.nuspec

@@ -9,12 +9,12 @@
     <description>A Path of Exile loot filter script editor</description>
     <requireLicenseAcceptance>false</requireLicenseAcceptance>
     <copyright>Copyright 2018</copyright>
-    <releaseNotes>* Fixed the Block Output Preview pane not working
+    <releaseNotes>* Added missing AlertSound mp3 resources to installer
-* The Block Output Preview pane now supports previewing multiple selected blocks
+* Fixed a crash related to performing certain commands with no blocks selected</releaseNotes>
-* The Block Output Preview pane now supports selecting the text within it</releaseNotes>
     <dependencies />
   </metadata>
   <files>
     <file src="*.*" target="lib\net45\" exclude="*.pdb;*.nupkg;*.vshost.*;*.xml"/>
+	<file src="Resources\AlertSounds\*.mp3" target="lib\net45\Resources\AlertSounds\" />
   </files>
 </package>

Filtration/Properties/AssemblyInfo.cs

@@ -10,8 +10,8 @@ using System.Runtime.CompilerServices;
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
-[assembly: AssemblyVersion("1.0.1")]
+[assembly: AssemblyVersion("1.0.3")]
-[assembly: AssemblyInformationalVersion("1.0.1")]
+[assembly: AssemblyInformationalVersion("1.0.3-beta2")]
 
 [assembly: InternalsVisibleTo("Filtration.Tests")]
 [assembly: InternalsVisibleTo("Filtration.ItemFilterPreview.Tests")]

Filtration/ViewModels/ItemFilterScriptViewModel.cs

@@ -379,7 +379,7 @@ namespace Filtration.ViewModels
         {
             for (var i = 0; i < SelectedBlockViewModels.Count; i++)
             {
-                if (!ViewItemFilterBlockViewModels.Contains(SelectedBlockViewModels[i]))
+                if (SelectedBlockViewModels[i] == null || !ViewItemFilterBlockViewModels.Contains(SelectedBlockViewModels[i]))
                 {
                     SelectedBlockViewModels.RemoveAt(i--);
                 }
@@ -554,6 +554,8 @@ namespace Filtration.ViewModels
 
         public bool CanModifySelectedBlocks()
         {
+            ValidateSelectedBlocks();
+
             if (SelectedBlockViewModels.Count < 1)
                 return false;
 
@@ -570,6 +572,9 @@ namespace Filtration.ViewModels
 
         public bool CanModifyBlock(IItemFilterBlockViewModelBase itemFilterBlock)
         {
+            if (itemFilterBlock == null)
+                return false;
+
             if (itemFilterBlock is IItemFilterBlockViewModel)
                 return true;
 

Filtration/ViewModels/ToolPanes/BlockOutputPreviewViewModel.cs

@@ -57,7 +57,8 @@ namespace Filtration.ViewModels.ToolPanes
         private void OnLastSelectedBlockChanged(object sender, EventArgs e)
         {
             if (AvalonDockWorkspaceViewModel.ActiveScriptViewModel?.SelectedBlockViewModels == null || 
-                AvalonDockWorkspaceViewModel.ActiveScriptViewModel.SelectedBlockViewModels.Count == 0)
+                AvalonDockWorkspaceViewModel.ActiveScriptViewModel.SelectedBlockViewModels.Count == 0 ||
+                AvalonDockWorkspaceViewModel.ActiveScriptViewModel.SelectedBlockViewModels.FirstOrDefault() == null)
             {
                 PreviewText = string.Empty;
                 return;

README.md

@@ -4,7 +4,7 @@ Filtration is an editor for Path of Exile item filter scripts.
 
 ## Current Release (Released 2018-09-30)
 <b>Installer</b><br>
-<a href="https://github.com/ben-wallis/Filtration/releases/download/1.0.0/Setup.exe">Setup.exe</a>
+<a href="https://github.com/ben-wallis/Filtration/releases/download/1.0.2/Setup.exe">Setup.exe</a>
 
 ## System Requirements
 Filtration requires .NET Framework 4.6.1 installed.
@@ -24,10 +24,10 @@ If you'd like to make your script fully compatible with Filtration, please take
 ## Screenshots
 
 ##### Main Window
-<img src="http://i.imgur.com/eAsMoSo.png" />
+<img src="https://i.imgur.com/d3tKEab.png" />
 
 ##### Theme Editor
-<img src="http://i.imgur.com/FJWJknO.png" />
+<img src="https://i.imgur.com/Pi9wds1.png" />
 
 ## Contact
 You can find me on irc.freenode.net in #filtration