1 files changed, 30 insertions, 0 deletions
diff --git a/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Folding/AbstractFoldingStrategy.cs b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Folding/AbstractFoldingStrategy.cs
new file mode 100644
index 000000000..42eddba47
--- /dev/null
+++ b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Folding/AbstractFoldingStrategy.cs
@@ -0,0 +1,30 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
+
+using System;
+using Tango.Scripting.Editors.Document;
+using System.Collections.Generic;
+
+namespace Tango.Scripting.Editors.Folding
+{
+	/// <summary>
+	/// Base class for folding strategies.
+	/// </summary>
+	public abstract class AbstractFoldingStrategy
+	{
+		/// <summary>
+		/// Create <see cref="NewFolding"/>s for the specified document and updates the folding manager with them.
+		/// </summary>
+		public void UpdateFoldings(FoldingManager manager, TextDocument document)
+		{
+			int firstErrorOffset;
+			IEnumerable<NewFolding> foldings = CreateNewFoldings(document, out firstErrorOffset);
+			manager.UpdateFoldings(foldings, firstErrorOffset);
+		}
+		
+		/// <summary>
+		/// Create <see cref="NewFolding"/>s for the specified document.
+		/// </summary>
+		public abstract IEnumerable<NewFolding> CreateNewFoldings(TextDocument document, out int firstErrorOffset);
+	}
+}