MERGE

1 files changed, 32 insertions, 0 deletions

diff --git a/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Editing/IReadOnlySectionProvider.cs b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Editing/IReadOnlySectionProvider.cs
new file mode 100644
index 000000000..fc775baf3
--- /dev/null
+++ b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Editing/IReadOnlySectionProvider.cs
@@ -0,0 +1,32 @@
+// 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 System.Collections.Generic;
+using Tango.Scripting.Editors.Document;
+
+namespace Tango.Scripting.Editors.Editing
+{
+	/// <summary>
+	/// Determines whether the document can be modified.
+	/// </summary>
+	public interface IReadOnlySectionProvider
+	{
+		/// <summary>
+		/// Gets whether insertion is possible at the specified offset.
+		/// </summary>
+		bool CanInsert(int offset);
+		
+		/// <summary>
+		/// Gets the deletable segments inside the given segment.
+		/// </summary>
+		/// <remarks>
+		/// All segments in the result must be within the given segment, and they must be returned in order
+		/// (e.g. if two segments are returned, EndOffset of first segment must be less than StartOffset of second segment).
+		/// 
+		/// For replacements, the last segment being returned will be replaced with the new text. If an empty list is returned,
+		/// no replacement will be done.
+		/// </remarks>
+		IEnumerable<ISegment> GetDeletableSegments(ISegment segment);
+	}
+}