public int MoveMapListItemDown(MapListItemViewModel currentItem)
{
var items = this.MapList.Items;
var currentIndex = items.IndexOf(currentItem.Item);
if (currentIndex == items.Count - 1 )
{
return currentIndex;
}
var nextIndex = currentIndex + 1;
items.RemoveAt(currentIndex);
items.Insert(nextIndex, currentItem.Item);
this.InitializeMapListItems();
InvokePropertyChanged(null);
return nextIndex;
}
public int MoveMapListItemUp(MapListItemViewModel currentItem)
{
var items = this.MapList.Items;
var currentIndex = items.IndexOf(currentItem.Item);
if (currentIndex == 0)
{
// it's the first item, no chance to move it up
return 0;
}
var nextIndex = currentIndex - 1;
items.Insert(nextIndex, currentItem.Item);
items.RemoveAt(currentIndex + 1);
this.InitializeMapListItems();
InvokePropertyChanged(null);
return nextIndex;
}
