void FActorLayerCollectionViewModel::OnLayersChanged( const ELayersAction::Type Action, const TWeakObjectPtr< ULayer >& ChangedLayer, const FName& ChangedProperty )
{
check( !bIsRefreshing );
bIsRefreshing = true;
switch ( Action )
{
case ELayersAction::Add:
{
if( ChangedLayer.IsValid() )
{
TSharedRef< FActorLayerViewModel > NewFLayer = FActorLayerViewModel::Create( ChangedLayer, Actors, WorldLayers, Editor );
if( DoAllActorsBelongtoLayer( NewFLayer ) )
{
Layers.Add( NewFLayer );
SortLayers();
}
}
else
{
RefreshLayers();
}
}
break;
case ELayersAction::Rename:
{
SortLayers();
}
break;
case ELayersAction::Modify:
case ELayersAction::Delete:
case ELayersAction::Reset:
default:
{
RefreshLayers();
}
break;
}
LayersChanged.Broadcast( Action, ChangedLayer, ChangedProperty );
bIsRefreshing = false;
}
void FActorLayerCollectionViewModel::Initialize()
{
WorldLayers->OnLayersChanged().AddSP( this, &FActorLayerCollectionViewModel::OnLayersChanged );
if ( Editor.IsValid() )
{
Editor->RegisterForUndo( this );
}
RefreshLayers();
}
void CLayerDlg::OnLayerUp()
{
// Get selection
int Sel = m_layerListBox.GetCurSel();
if (Sel == -1) return;
// Bounds check
if (Sel == 0) return;
if (Sel == m_layerListBox.GetCount() - 1) return;
// Delete it and move it down one space
CLayer* pLayer = (CLayer*)m_layerListBox.GetItemDataPtr(Sel);
if (pLayer->m_layerType == LAYER_NONFRAME) return;
m_layerListBox.DeleteString(Sel);
int Item = m_layerListBox.InsertString(Sel - 1, pLayer->GetName());
m_layerListBox.SetItemDataPtr(Item, (void*)pLayer);
// Get the layerlist, remove all items
CLayerList* pLayerList = &layout_editor->layout->layers;
while (pLayerList->GetCount() > 0)
pLayerList->RemoveHead();
// Add the layers back into the layerlist, in the order they are in the listbox
CLayer *j;
for (int i = 0; i < m_layerListBox.GetCount(); i++) {
j = (CLayer*)m_layerListBox.GetItemDataPtr(i);
pLayerList->AddHead(j);
}
layout_editor->layout->SetChanged(true);
layout_editor->m_bUpdateFrame = true;
layout_editor->Invalidate();
m_layerListBox.SetRedraw();
m_layerListBox.Invalidate();
Invalidate();
RefreshLayers();
}
