private void OnGameEntities_ListBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
var listBox = sender as ListBox;
var newSelection = listBox.SelectedItems.Cast <GameEntity>().ToList();
var previousSelection = newSelection.Except(e.AddedItems.Cast <GameEntity>()).Concat(e.RemovedItems.Cast <GameEntity>()).ToList();
Project.UndoRedo.Add(new UndoRedoAction(
() => // undo action
{
listBox.UnselectAll();
previousSelection.ForEach(x => (listBox.ItemContainerGenerator.ContainerFromItem(x) as ListBoxItem).IsSelected = true);
},
() => //redo action
{
listBox.UnselectAll();
newSelection.ForEach(x => (listBox.ItemContainerGenerator.ContainerFromItem(x) as ListBoxItem).IsSelected = true);
},
"Selection changed"
));
MSGameEntity msEntity = null;
if (newSelection.Any())
{
msEntity = new MSGameEntity(newSelection);
}
GameEntityView.Instance.DataContext = msEntity;
}
private void OnGameEntitys_ListBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
//GameEntityView.Instance.DataContext = null;
var listBox = sender as ListBox;
//if (e.AddedItems.Count > 0)
//{
// GameEntityView.Instance.DataContext = listBox.SelectedItems[0];
//}
var newSelection = listBox.SelectedItems.Cast <GameEntity>().ToList();
var previousSelection = newSelection.Except(e.AddedItems.Cast <GameEntity>())
.Concat(e.RemovedItems.Cast <GameEntity>()).ToList();
//Project.UndoRedo.Add(new UndoRedoAction(
// () =>//Undo Action
// {
// listBox.UnselectAll();
// previousSelection.ForEach(x => (listBox.ItemContainerGenerator.ContainerFromItem(x) as ListBoxItem).IsSelected = true);
// },
// () =>//Redo Action
// {
// listBox.UnselectAll();
// newSelection.ForEach(x => (listBox.ItemContainerGenerator.ContainerFromItem(x) as ListBoxItem).IsSelected = true);
// },
// "Selection Changed"));
MSGameEntity msEntity = null;
if (newSelection.Any())
{
msEntity = new MSGameEntity(newSelection);
}
GameEntityView.Instance.DataContext = msEntity;
}