private void Reselect(AssetChanges changes)
{
s_LastInfo = null;
SelectionChanged(m_SelectedObjects, true);
}
private void SelectionChanged(Object[] selection, bool force)
{
Object[] oldSelection = m_SelectedObjects;
// We don't need to update if the selection is null. Just clear m_LastInfo in case it's set.
if (selection == null || selection.Length == 0)
{
return;
}
Object[] projectAssets = selection.Select(GetRootObject).Where(o => o).Distinct().ToArray();
if (projectAssets.Length == 0)
{
return;
}
if (!m_LockSelection || m_SelectedObjects == null || m_SelectedObjects.Length == 0)
{
m_SelectedObjects = projectAssets;
}
// If we haven't changed selections, skip it.
if (!force && s_LastInfo != null && s_LastInfo.Targets.IsEqual(m_SelectedObjects))
{
return;
}
// Only update the flow stack if the selection has changed.
if (!oldSelection.IsEqual(m_SelectedObjects))
{
Object[] prev = m_GoBackStack.LastOrDefault();
Object[] next = m_GoForwardStack.LastOrDefault();
if (prev != null && prev.Length > 0 && prev.IsEqual(m_SelectedObjects))
{
// If the previous item is the new selection, then go 'back' by removing 'prev' and adding old selection to forward stack.
Pop(m_GoBackStack);
if (oldSelection != null)
{
m_GoForwardStack.Add(oldSelection);
}
}
else if (next != null && next.Length > 0 && next.IsEqual(m_SelectedObjects))
{
// If the next item is the new select, then go 'forward' by removing 'next' and adding old selection to back stack.
Pop(m_GoForwardStack);
if (oldSelection != null)
{
m_GoBackStack.Add(oldSelection);
}
}
else
{
// Otherwise, this is just a new selection, to put the old one in the back.
if (oldSelection != null)
{
m_GoBackStack.Add(oldSelection);
}
m_GoForwardStack.Clear();
}
}
s_LastInfo = GetUsageInfo(m_SelectedObjects);
EditorApplication.delayCall += Repaint;
}
