/// <inheritdoc />
public override void Do(DocumentEditorContext context)
{
var caret = (TextCaret)_handle.GetCaret(context);
var block = caret.Block;
var destinationDescriptor = GetDestinationDescriptor();
// optimization; if it's already the correct block type, we just have to change it in-place
if (block.DescriptorHandle == destinationDescriptor)
{
MakeChangesTo((TBlock)block);
}
else
{
var newBlock = (TBlock)destinationDescriptor.CreateInstance();
MakeChangesTo(newBlock);
Replace(context, block, newBlock);
}
}
/// <summary> /// Moves to he cursor to point to the location given by <paramref name="handle"/>. /// </summary> public static void MoveTo(this DocumentSelection cursor, DocumentCursorHandle handle, DocumentEditorContext context) => cursor.Replace(handle.GetCaret(context));