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<?xml version="1.0" encoding="utf-8"?>
<packages>
<package id="FontAwesome.WPF" version="4.7.0.9" targetFramework="net461" />
<package id="MahApps.Metro" version="1.5.0" targetFramework="net461" />
</packages>
// 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 Tango.Scripting.Editors.Utils;
using System;
using Tango.Scripting.Editors.Document;
namespace Tango.Scripting.Editors.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(TextDocument document, DocumentLine line)
{
if (document == null)
throw new ArgumentNullException("document");
if (line == null)
throw new ArgumentNullException("line");
DocumentLine previousLine = line.PreviousLine;
if (previousLine != null) {
ISegment indentationSegment = TextUtilities.GetWhitespaceAfter(document, previousLine.Offset);
string indentation = document.GetText(indentationSegment);
// copy indentation to line
indentationSegment = TextUtilities.GetWhitespaceAfter(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(TextDocument document, int beginLine, int endLine)
{
}
}
}
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