private void SaveCopyData(ITextBuffer subjectBuffer)
{
var selection = view.Selection;
var spans = selection.GetSnapshotSpansOnBuffer(subjectBuffer);
if (spans.Count() != 1)
{
return;
}
var document = subjectBuffer.CurrentSnapshot.GetRelatedDocumentsWithChanges().FirstOrDefault();
if (document == null)
{
return;
}
if (document.SourceCodeKind != SourceCodeKind.Regular)
{
return;
}
var span = spans.Select(s => new Microsoft.CodeAnalysis.Text.TextSpan(s.Start, s.Length)).First();
if (span.IsEmpty)
{
return;
}
var text = document.GetTextAsync().Result.ToString().Substring(span.Start, span.Length);
var offsetMap = CopyData.CreateOffsetMap(document, span);
this.copyDataService.SaveData(new CopyData(text, offsetMap));
}
public void SaveData(CopyData data)
{
lock (this.syncLock)
{
this.data = data;
}
}
private static Document ForkNewDocument(CopyData copyData, Document document, TextSpan span)
{
// here we assume paste data is what is copied before.
// we will check this assumption when things are actually pasted.
var newText = document.GetTextAsync().Result.ToString().Remove(span.Start, span.Length).Insert(span.Start, copyData.Text);
// fork solution
return(document.WithText(SourceText.From(newText)));
}
public CopyDataService()
{
this.data = null;
#if false
Workspace.PrimaryWorkspace.WorkspaceChanged += (sender, args) =>
{
SaveData(null);
};
#endif
}
public bool CheckApplicable(ITextBuffer subjectBuffer, CopyData copyData)
{
if (copyData == null)
{
return(false);
}
var selection = view.Selection;
var spans = selection.GetSnapshotSpansOnBuffer(subjectBuffer);
if (spans.Count() != 1)
{
return(false);
}
var document = subjectBuffer.CurrentSnapshot.GetRelatedDocumentsWithChanges().FirstOrDefault();
if (document == null)
{
return(false);
}
if (document.SourceCodeKind != SourceCodeKind.Regular)
{
return(false);
}
var span = spans.Select(s => new TextSpan(s.Start, s.Length)).First();
var newSpan = new TextSpan(span.Start, copyData.Text.Length);
var newDocument = ForkNewDocument(copyData, document, span);
// analyze in new document
var newOffsetMap = CopyData.CreateOffsetMap(newDocument, newSpan);
foreach (var pair in copyData)
{
var offset = pair.Key;
var token = pair.Value.Item1;
var symbol = pair.Value.Item2;
// check whether existing symbol is same one
if (IsSameSymbol(offset, token, symbol, newOffsetMap))
{
continue;
}
// missing using,
}
return(false);
}
public void Apply(ITextBuffer buffer, CopyData copyData)
{
throw new NotImplementedException();
}
