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/AvalonEdit/ICSharpCode.AvalonEdit/Snippets/SnippetSelectionElement.cs

http://github.com/icsharpcode/ILSpy
C# | 58 lines | 25 code | 9 blank | 24 comment | 2 complexity | 1f792dccc94824393c003ccb72e6fc04 MD5 | raw file
 1// Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
 2// 
 3// Permission is hereby granted, free of charge, to any person obtaining a copy of this
 4// software and associated documentation files (the "Software"), to deal in the Software
 5// without restriction, including without limitation the rights to use, copy, modify, merge,
 6// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
 7// to whom the Software is furnished to do so, subject to the following conditions:
 8// 
 9// The above copyright notice and this permission notice shall be included in all copies or
10// substantial portions of the Software.
11// 
12// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
13// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
14// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
15// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
16// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
17// DEALINGS IN THE SOFTWARE.
18
19using System;
20using System.Text;
21
22namespace ICSharpCode.AvalonEdit.Snippets
23{
24	/// <summary>
25	/// Inserts the previously selected text at the selection marker.
26	/// </summary>
27	[Serializable]
28	public class SnippetSelectionElement : SnippetElement
29	{
30		/// <summary>
31		/// Gets/Sets the new indentation of the selected text.
32		/// </summary>
33		public int Indentation { get; set; }
34		
35		/// <inheritdoc/>
36		public override void Insert(InsertionContext context)
37		{
38			StringBuilder tabString = new StringBuilder();
39			
40			for (int i = 0; i < Indentation; i++) {
41				tabString.Append(context.Tab);
42			}
43			
44			string indent = tabString.ToString();
45			
46			string text = context.SelectedText.TrimStart(' ', '\t');
47			
48			text = text.Replace(context.LineTerminator,
49			                             context.LineTerminator + indent);
50			
51			context.Document.Insert(context.InsertionPosition, text);
52			context.InsertionPosition += text.Length;
53			
54			if (string.IsNullOrEmpty(context.SelectedText))
55				SnippetCaretElement.SetCaret(context);
56		}
57	}
58}