From 4885299816d5300107c1b1dfdde24866ca91b93e Mon Sep 17 00:00:00 2001
From: Siegfried Pammer <siegfriedpammer@gmail.com>
Date: Wed, 25 Oct 2017 22:03:37 +0200
Subject: [PATCH] Fix #582: Collapse All button for the assemblies list

---
 ILSpy/Commands/SortAssemblyListCommand.cs |  24 +++++++++++++++++++++-
 ILSpy/ILSpy.csproj                        |   1 +
 ILSpy/Images/CollapseAll.png              | Bin 0 -> 436 bytes
 3 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 ILSpy/Images/CollapseAll.png

diff --git a/ILSpy/Commands/SortAssemblyListCommand.cs b/ILSpy/Commands/SortAssemblyListCommand.cs
index 2020cf21d..3f8bc3920 100644
--- a/ILSpy/Commands/SortAssemblyListCommand.cs
+++ b/ILSpy/Commands/SortAssemblyListCommand.cs
@@ -18,12 +18,13 @@
 
 using System;
 using System.Collections.Generic;
+using ICSharpCode.TreeView;
 
 namespace ICSharpCode.ILSpy
 {
 	[ExportMainMenuCommand(Menu = "_View", Header = "Sort assembly list by name", MenuIcon = "Images/Sort.png", MenuCategory = "View")]
 	[ExportToolbarCommand(ToolTip = "Sort assembly list by name", ToolbarIcon = "Images/Sort.png", ToolbarCategory = "View")]
-	class SortAssemblyListCommand : SimpleCommand, IComparer<LoadedAssembly>
+	sealed class SortAssemblyListCommand : SimpleCommand, IComparer<LoadedAssembly>
 	{
 		public override void Execute(object parameter)
 		{
@@ -36,4 +37,25 @@ namespace ICSharpCode.ILSpy
 			return string.Compare(x.ShortName, y.ShortName, StringComparison.CurrentCulture);
 		}
 	}
+
+	[ExportMainMenuCommand(Menu = "_View", Header = "Collapse all tree nodes", MenuIcon = "Images/CollapseAll.png", MenuCategory = "View")]
+	[ExportToolbarCommand(ToolTip = "Collapse all tree nodes", ToolbarIcon = "Images/CollapseAll.png", ToolbarCategory = "View")]
+	sealed class CollapseAllCommand : SimpleCommand
+	{
+		public override void Execute(object parameter)
+		{
+			using (MainWindow.Instance.treeView.LockUpdates())
+				CollapseChildren(MainWindow.Instance.treeView.Root);
+
+			void CollapseChildren(SharpTreeNode node)
+			{
+				foreach (var child in node.Children) {
+					if (!child.IsExpanded)
+						continue;
+					CollapseChildren(child);
+					child.IsExpanded = false;
+				}
+			}
+		}
+	}
 }
diff --git a/ILSpy/ILSpy.csproj b/ILSpy/ILSpy.csproj
index 9411c6544..304e82ca8 100644
--- a/ILSpy/ILSpy.csproj
+++ b/ILSpy/ILSpy.csproj
@@ -346,6 +346,7 @@
     <Resource Include="Images\PrivateInternal.png" />
     <Resource Include="Images\Refresh.png" />
     <Resource Include="Images\Constructor.png" />
+    <Resource Include="Images\CollapseAll.png" />
     <Resource Include="Images\EnumValue.png" />
     <Resource Include="Images\FieldReadOnly.png" />
     <Resource Include="Images\OverlayInternal.png" />
diff --git a/ILSpy/Images/CollapseAll.png b/ILSpy/Images/CollapseAll.png
new file mode 100644
index 0000000000000000000000000000000000000000..5e23dbc8101d5b29ea77efc18dcb648e729250bb
GIT binary patch
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