MERGE

1 files changed, 58 insertions, 0 deletions

diff --git a/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Snippets/SnippetCaretElement.cs b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Snippets/SnippetCaretElement.cs
new file mode 100644
index 000000000..1b33abf66
--- /dev/null
+++ b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Snippets/SnippetCaretElement.cs
@@ -0,0 +1,58 @@
+// 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.Runtime.Serialization;
+using System.Windows.Input;
+using Tango.Scripting.Editors.Document;
+
+namespace Tango.Scripting.Editors.Snippets
+{
+	/// <summary>
+	/// Sets the caret position after interactive mode has finished.
+	/// </summary>
+	[Serializable]
+	public class SnippetCaretElement : SnippetElement
+	{
+		[OptionalField]
+		bool setCaretOnlyIfTextIsSelected;
+		
+		/// <summary>
+		/// Creates a new SnippetCaretElement.
+		/// </summary>
+		public SnippetCaretElement()
+		{
+		}
+		
+		/// <summary>
+		/// Creates a new SnippetCaretElement.
+		/// </summary>
+		/// <param name="setCaretOnlyIfTextIsSelected">
+		/// If set to true, the caret is set only when some text was selected.
+		/// This is useful when both SnippetCaretElement and SnippetSelectionElement are used in the same snippet.
+		/// </param>
+		public SnippetCaretElement(bool setCaretOnlyIfTextIsSelected)
+		{
+			this.setCaretOnlyIfTextIsSelected = setCaretOnlyIfTextIsSelected;
+		}
+		
+		/// <inheritdoc/>
+		public override void Insert(InsertionContext context)
+		{
+			if (!setCaretOnlyIfTextIsSelected || !string.IsNullOrEmpty(context.SelectedText))
+				SetCaret(context);
+		}
+		
+		internal static void SetCaret(InsertionContext context)
+		{
+			TextAnchor pos = context.Document.CreateAnchor(context.InsertionPosition);
+			pos.MovementType = AnchorMovementType.BeforeInsertion;
+			pos.SurviveDeletion = true;
+			context.Deactivated += (sender, e) => {
+				if (e.Reason == DeactivateReason.ReturnPressed || e.Reason == DeactivateReason.NoActiveElements) {
+					context.TextArea.Caret.Offset = pos.Offset;
+				}
+			};
+		}
+	}
+}