protected override void OnTemplateApplied(TemplateAppliedEventArgs e)
{
TextView = e.NameScope.Find <TextView>("textView");
LogicalChildren.Add(TextView);
disposables.Add(TextDocumentProperty.Changed.Subscribe(args =>
{
if (args.NewValue != null)
{
// Todo unsubscribe these events.
TextDocument.Changing += (sender, ee) =>
{
TextDocument?.UndoStack.PushOptional(new RestoreCaretAndSelectionUndoAction(this));
if (BeforeTextChangedCommand != null)
{
BeforeTextChangedCommand.Execute(null);
}
};
TextDocument.Changed += (sender, ee) =>
{
InvalidateVisual();
LineHeight = TextView.CharSize.Height;
if (TextChangedCommand != null && TextChangedCommand.CanExecute(null))
{
TextChangedCommand.Execute(null);
}
};
}
}));
}
protected override void OnTemplateApplied(TemplateAppliedEventArgs e)
{
TextView = e.NameScope.Find <TextView>("textView");
TextView.Cursor = new Cursor(StandardCursorType.Ibeam);
//textView.BackgroundRenderers.Clear();
//textView.DocumentLineTransformers.Clear();
//textView.BackgroundRenderers.Add(new SelectedLineBackgroundRenderer());
//textView.BackgroundRenderers.Add(new ColumnLimitBackgroundRenderer());
//textView.BackgroundRenderers.Add(new SelectionBackgroundRenderer());
//textView.DocumentLineTransformers.Add(new SelectedWordTextLineTransformer(this));
disposables.Add(TextDocumentProperty.Changed.Subscribe(args =>
{
if (args.NewValue != null)
{
// Todo unsubscribe these events.
TextDocument.Changing += (sender, ee) =>
{
TextDocument?.UndoStack.StartUndoGroup();
TextDocument?.UndoStack.PushOptional(new RestoreCaretAndSelectionUndoAction(this));
if (BeforeTextChangedCommand != null)
{
BeforeTextChangedCommand.Execute(null);
}
};
TextDocument.Changed += (sender, ee) =>
{
TextDocument?.UndoStack.EndUndoGroup();
InvalidateVisual();
LineHeight = TextView.CharSize.Height;
textChangedDelayTimer.Stop();
textChangedDelayTimer.Start();
};
}
}));
}