void OnUndoSelectionChange(IEnumerable <object> selectedItems)
{
if (m_HistoryListView.selectedItem == null)
{
return;
}
HistoryItem item = (HistoryItem)m_HistoryListView.selectedItem;
int actionsRequired = Math.Abs(item.index - m_UndoCursor);
if (item.type == HistoryType.Undo || item.type == HistoryType.None)
{
for (var i = 0; i < actionsRequired; i++)
{
EditorUtility.DisplayProgressBar("Undo", "Undoing selected actions", (float)i / actionsRequired);
Undo.PerformUndo();
}
}
else
{
for (var i = 0; i < actionsRequired; i++)
{
EditorUtility.DisplayProgressBar("Undo", "Redoing selected actions", (float)i / actionsRequired);
Undo.PerformRedo();
}
}
EditorUtility.ClearProgressBar();
}