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Viewing changes to src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Snippets/SnippetSelectionElement.cs

  • Committer: sk
  • Date: 2011-09-10 05:17:57 UTC
  • Revision ID: halega@halega.com-20110910051757-qfouz1llya9m6boy
4.1.0.7915 Release Candidate 1

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src/Libraries/AvalonEdit/ICSharpCode.AvalonEdit/Snippets/SnippetSelectionElement.cs
 
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// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
 
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// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
 
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using System;
 
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using System.Text;
 
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using System.Windows.Input;
 
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using ICSharpCode.AvalonEdit.Document;
 
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namespace ICSharpCode.AvalonEdit.Snippets
 
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{
 
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        /// <summary>
 
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        /// Inserts the previously selected text at the selection marker.
 
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        /// </summary>
 
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        [Serializable]
 
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        public class SnippetSelectionElement : SnippetElement
 
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        {
 
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                /// <summary>
 
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                /// Gets/Sets the new indentation of the selected text.
 
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                /// </summary>
 
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                public int Indentation { get; set; }
 
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                /// <inheritdoc/>
 
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                public override void Insert(InsertionContext context)
 
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                {
 
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                        StringBuilder tabString = new StringBuilder();
 
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                        for (int i = 0; i < Indentation; i++) {
 
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                                tabString.Append(context.Tab);
 
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                        }
 
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                        string indent = tabString.ToString();
 
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                        string text = context.SelectedText.TrimStart(' ', '\t');
 
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                        text = text.Replace(context.LineTerminator,
 
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                                                     context.LineTerminator + indent);
 
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                        context.Document.Insert(context.InsertionPosition, text);
 
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                        context.InsertionPosition += text.Length;
 
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                        if (string.IsNullOrEmpty(context.SelectedText))
 
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                                SnippetCaretElement.SetCaret(context);
 
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                }
 
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        }
 
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}