static TextDocument GetDocument()
{
TextDocument doc = new TextDocument();
StringBuilder sb = new StringBuilder();
for (int i = 0; i < 10; i++)
{
sb.AppendLine("1234567890");
}
doc.Text = sb.ToString();
doc.DiffTracker.SetBaseDocument(doc.CreateDocumentSnapshot());
return(doc);
}
void TrackDocument_TextChanged(object sender, MonoDevelop.Core.Text.TextChangeEventArgs e)
{
if (lineStates == null || e.TextChanges.Count == 0)
{
return;
}
for (int i = e.TextChanges.Count - 1; i >= 0; i--)
{
var change = e.TextChanges [i];
if (change.RemovalLength == 0)
{
continue;
}
var startLine = trackDocumentSnapshot.GetLineByOffset(change.Offset);
var endRemoveLine = trackDocumentSnapshot.GetLineByOffset(change.Offset + change.RemovalLength);
if (startLine == null || endRemoveLine == null)
{
continue;
}
try {
var lineNumber = startLine.LineNumber;
lineStates.RemoveRange(lineNumber, endRemoveLine.LineNumber - lineNumber);
} catch (Exception ex) {
LoggingService.LogError("error while DiffTracker.TrackDocument_TextChanged changing update", ex);
}
}
for (int i = 0; i < e.TextChanges.Count; ++i)
{
var change = e.TextChanges[i];
var startLine = trackDocument.GetLineByOffset(change.NewOffset);
var endLine = trackDocument.GetLineByOffset(change.NewOffset + change.InsertionLength);
var lineNumber = startLine.LineNumber;
var insertedLines = endLine.LineNumber - lineNumber;
if (insertedLines == 0)
{
var oldState = lineNumber < lineStates.Count ? lineStates [lineNumber] : null;
if (oldState != null && oldState.state == TextDocument.LineState.Dirty)
{
continue;
}
lineStates[lineNumber] = LineChangeInfo.Dirty;
if (trackDocument != null)
{
trackDocument.CommitMultipleLineUpdate(lineNumber, lineNumber + insertedLines);
}
continue;
}
try {
lineStates.InsertRange(lineNumber, insertedLines, LineChangeInfo.Dirty);
if (trackDocument != null)
{
trackDocument.CommitMultipleLineUpdate(lineNumber, lineNumber + insertedLines);
}
} catch (Exception ex) {
LoggingService.LogError("error while DiffTracker.TrackDocument_TextChanged changed update", ex);
}
}
trackDocumentSnapshot = trackDocument.CreateDocumentSnapshot();
}
public void SetTrackDocument(TextDocument document)
{
trackDocument = document;
trackDocumentSnapshot = document.CreateDocumentSnapshot();
}
