diff options
Diffstat (limited to 'Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Snippets/SnippetCaretElement.cs')
| -rw-r--r-- | Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Snippets/SnippetCaretElement.cs | 58 |
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; + } + }; + } + } +} |
