#develop (short for SharpDevelop) is a free IDE for .NET programming languages.
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// <file>
// <copyright see="prj:///doc/copyright.txt"/>
// <license see="prj:///doc/license.txt"/>
// <author name="Daniel Grunwald"/>
// <version>$Revision$</version>
// </file>
using ICSharpCode.AvalonEdit.Utils;
using System;
using ICSharpCode.AvalonEdit.Document;
namespace ICSharpCode.AvalonEdit.Indentation
{
/// <summary>
/// Handles indentation by copying the indentation from the previous line.
/// Does not support indenting multiple lines.
/// </summary>
public class DefaultIndentationStrategy : IIndentationStrategy
{
/// <inheritdoc/>
public virtual void IndentLine(DocumentLine line)
{
if (line == null)
throw new ArgumentNullException("line");
TextDocument document = line.Document;
DocumentLine previousLine = line.PreviousLine;
if (previousLine != null) {
ISegment indentationSegment = TextUtilities.GetIndentation(document, previousLine.Offset);
string indentation = document.GetText(indentationSegment);
// copy indentation to line
indentationSegment = TextUtilities.GetIndentation(document, line.Offset);
document.Replace(indentationSegment, indentation);
}
}
/// <summary>
/// Does nothing: indenting multiple lines is useless without a smart indentation strategy.
/// </summary>
public virtual void IndentLines(int beginLine, int endLine)
{
}
}
}