public void SubstitutePlaceholder(TextBlock textBlock, string substitutedText, GenDataId id)
{
GenMultiUndoRedo multi = null;
var body = textBlock.Body();
var n = body.FragmentList.Count;
for (var i = n - 1; i >= 0; i--)
{
var text = body.FragmentList[i] as Text;
if (text == null)
{
continue;
}
var t = text.TextValue;
var k = t.IndexOf(substitutedText, StringComparison.Ordinal);
while (k != -1 && text != null)
{
var command = new ReplaceSelectionWithPlaceholderCommand(text, k, k + substitutedText.Length, id, this);
command.Execute();
var undoCommand = new ReplacePlaceholderWithTextCommand(command.Placeholder, substitutedText, this);
(multi = multi ?? new GenMultiUndoRedo()).Add(new GenUndoRedo(undoCommand, command));
text = command.Text;
t = command.Suffix;
k = t.IndexOf(substitutedText, StringComparison.Ordinal);
}
}
if (multi != null)
{
GeData.AddRedoUndo(multi);
}
GetNodeProfileText();
}
private void AddRedoUndo(IGenCommand undoCommand, IGenCommand redoCommand)
{
var undoRedo = new GenUndoRedo(undoCommand, redoCommand);
GeData.AddRedoUndo(undoRedo);
}