Daniel Grunwald
13 years ago
13 changed files with 159 additions and 123 deletions
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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.Collections.Generic; |
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using ICSharpCode.AvalonEdit.Highlighting; |
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using ICSharpCode.NRefactory.Editor; |
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namespace ICSharpCode.AvalonEdit.AddIn |
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{ |
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public class MultiHighlighter : IHighlighter |
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{ |
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readonly IHighlighter[] nestedHighlighters; |
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readonly IDocument document; |
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public MultiHighlighter(IDocument document, params IHighlighter[] nestedHighlighters) |
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{ |
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if (document == null) |
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throw new ArgumentNullException("document"); |
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if (nestedHighlighters == null) |
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throw new ArgumentNullException("additionalHighlighters"); |
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foreach (var highlighter in nestedHighlighters) { |
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if (highlighter == null) |
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throw new ArgumentException("nulls not allowed!"); |
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if (document != highlighter.Document) |
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throw new ArgumentException("all highlighters must be assigned to the same document!"); |
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} |
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this.nestedHighlighters = nestedHighlighters; |
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this.document = document; |
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} |
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public event HighlightingStateChangedEventHandler HighlightingStateChanged { |
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add { |
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foreach (var highlighter in nestedHighlighters) { |
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highlighter.HighlightingStateChanged += value; |
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} |
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} |
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remove { |
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foreach (var highlighter in nestedHighlighters) { |
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highlighter.HighlightingStateChanged -= value; |
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} |
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} |
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} |
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public IDocument Document { |
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get { |
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return document; |
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} |
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} |
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public HighlightingColor DefaultTextColor { |
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get { |
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if (nestedHighlighters.Length > 0) |
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return nestedHighlighters[0].DefaultTextColor; |
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return null; |
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} |
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} |
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public IEnumerable<HighlightingColor> GetColorStack(int lineNumber) |
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{ |
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List<HighlightingColor> list = new List<HighlightingColor>(); |
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for (int i = nestedHighlighters.Length - 1; i >= 0; i--) { |
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var s = nestedHighlighters[i].GetColorStack(lineNumber); |
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if (s != null) |
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list.AddRange(s); |
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} |
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return list; |
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} |
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public HighlightedLine HighlightLine(int lineNumber) |
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{ |
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HighlightedLine line = new HighlightedLine(document, document.GetLineByNumber(lineNumber)); |
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foreach (IHighlighter h in nestedHighlighters) { |
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line.MergeWith(h.HighlightLine(lineNumber)); |
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} |
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return line; |
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} |
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public void UpdateHighlightingState(int lineNumber) |
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{ |
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foreach (var h in nestedHighlighters) { |
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h.UpdateHighlightingState(lineNumber); |
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} |
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} |
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public void BeginHighlighting() |
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{ |
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foreach (var h in nestedHighlighters) { |
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h.BeginHighlighting(); |
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} |
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} |
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public void EndHighlighting() |
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{ |
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foreach (var h in nestedHighlighters) { |
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h.EndHighlighting(); |
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} |
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} |
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public HighlightingColor GetNamedColor(string name) |
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{ |
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foreach (var h in nestedHighlighters) { |
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var color = h.GetNamedColor(name); |
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if (color != null) |
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return color; |
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} |
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return null; |
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} |
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public void Dispose() |
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{ |
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foreach (var h in nestedHighlighters) { |
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h.Dispose(); |
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} |
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} |
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} |
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} |
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