|
private OnTextChanges ( IReadOnlyCollection |
||
| textChanges | IReadOnlyCollection |
|
| return | void | |
internal void OnTextChanges(IReadOnlyCollection<TextChangeEventArgs> textChanges) {
if (Thread.CurrentThread.ManagedThreadId != _ownerThreadId)
throw new ThreadStateException("Method should only be called on the main thread");
_editorTree.FireOnUpdatesPending(textChanges);
if (UpdatesSuspended) {
this.TextBufferChangedSinceSuspend = true;
_pendingChanges.FullParseRequired = true;
} else {
foreach (TextChangeEventArgs change in textChanges) {
_lastChangeTime = DateTime.UtcNow;
var context = new TextChangeContext(_editorTree, change, _pendingChanges);
// No need to analyze changes if full parse is already pending
if (!_pendingChanges.FullParseRequired) {
TextChangeAnalyzer.DetermineChangeType(context);
}
ProcessChange(context);
}
}
}
private void OnTextBufferChanged(object sender, TextContentChangedEventArgs e)
{
if (e.Changes.Count > 0)
{
// In case of tabbing multiple lines update comes as multiple changes
// each is an insertion of whitespace in the beginning of the line.
// We don't want to combine them since then change will technically
// damage existing elements while actually it is just a whitespace change.
// All changes are relative to the current snapshot hence we have to transform
// them first and make them relative to each other so we can apply changes
// sequentially as after every change element positions will shift and hence
// next change must be relative to the new position and not to the current
// text buffer snapshot. Changes are sorted by position.
TreeUpdateTask.OnTextChanges(e.ConvertToRelative());
}
}
