42 lines
1.4 KiB
C#
42 lines
1.4 KiB
C#
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using System;
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using ICSharpCode.AvalonEdit.Document;
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using Microsoft.CodeAnalysis.Text;
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namespace ScriptPad.Editor
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{
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public class TextContainer : SourceTextContainer , IDisposable
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{
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public TextContainer(TextDocument document)
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{
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this.TextDocument = document;
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this.currentText = SourceText.From(document.GetText(0, document.TextLength));
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document.Changed += Document_Changed;
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}
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private void Document_Changed(object sender, DocumentChangeEventArgs e)
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{
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var old = currentText;
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var remove = new TextChange(new TextSpan(e.Offset, e.RemovalLength), "");
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currentText = currentText.WithChanges(remove);
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var insert = new TextChange(new TextSpan(e.Offset, 0), e.InsertedText.Text);
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currentText = currentText.WithChanges(insert);
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TextChanged?.Invoke(this, new Microsoft.CodeAnalysis.Text.TextChangeEventArgs(old, currentText, remove, insert));
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}
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public TextDocument TextDocument { get; private set; }
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private SourceText currentText;
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public override SourceText CurrentText => currentText;
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public override event EventHandler<Microsoft.CodeAnalysis.Text.TextChangeEventArgs> TextChanged;
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public void Dispose()
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{
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this.TextDocument.Changed -= Document_Changed;
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}
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}
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}
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