void OnShapeSourcesCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
if (e.Action == NotifyCollectionChangedAction.Add)
{
AddSources(e.NewItems.Cast <ShapeSource>().ToList());
}
else if (e.Action == NotifyCollectionChangedAction.Remove)
{
RemoveSources(e.OldItems.Cast <ShapeSource>().ToList());
}
else if (e.Action == NotifyCollectionChangedAction.Reset)
{
var sources = map.Sources;
foreach (var s in sources)
{
if (s.Id.HasPrefix())
{
map.RemoveSource(s);
}
}
}
else if (e.Action == NotifyCollectionChangedAction.Replace)
{
RemoveSources(e.OldItems.Cast <ShapeSource>().ToList());
AddSources(e.NewItems.Cast <ShapeSource>().ToList());
}
}
void OnShapeSourcesCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
switch (e.Action)
{
case NotifyCollectionChangedAction.Add:
AddSources(e.NewItems.Cast <MapSource>().ToList());
break;
case NotifyCollectionChangedAction.Remove:
RemoveSources(e.OldItems.Cast <MapSource>().ToList());
break;
case NotifyCollectionChangedAction.Reset:
var sources = map.Sources;
foreach (var source in sources)
{
if (source.Id.HasPrefix())
{
map.RemoveSource(source);
}
}
break;
case NotifyCollectionChangedAction.Replace:
RemoveSources(e.OldItems.Cast <MapSource>().ToList());
AddSources(e.NewItems.Cast <MapSource>().ToList());
break;
}
}
void RemoveSources(List <ShapeSource> sources)
{
if (sources == null)
{
return;
}
foreach (ShapeSource source in sources)
{
if (source.Id != null)
{
map.RemoveSource(source.Id.Prefix());
}
}
}