private void Refresh()
{
if (_listView == null)
{
return;
}
if (LayerContent == null)
{
_listView.Source = null;
return;
}
if (LayerContent is ILoadable)
{
if ((LayerContent as ILoadable).LoadStatus != LoadStatus.Loaded)
{
(LayerContent as ILoadable).Loaded += Layer_loaded;
(LayerContent as ILoadable).LoadAsync();
return;
}
}
var items = new ObservableCollection <LegendInfo>();
LoadRecursive(items, LayerContent, ShowEntireTreeHierarchy);
var source = new LayerLegendTableSource(items);
_listView.Source = source;
_listView.ReloadData();
source.CollectionChanged += (a, b) => InvokeOnMainThread(() => _listView.ReloadData());
Hidden = false;
InvalidateIntrinsicContentSize();
}
private void Refresh()
{
if (_listView == null)
{
return;
}
if (LayerContent == null)
{
_listView.Source = null;
_listView.ReloadData();
InvalidateIntrinsicContentSize();
return;
}
if (LayerContent is ILoadable)
{
if ((LayerContent as ILoadable).LoadStatus != LoadStatus.Loaded)
{
(LayerContent as ILoadable).Loaded += Layer_loaded;
(LayerContent as ILoadable).LoadAsync();
return;
}
}
var items = new ObservableCollection <LegendInfo>();
LoadRecursive(items, LayerContent, IncludeSublayers);
var source = new LayerLegendTableSource(items);
_listView.Source = source;
source.CollectionChanged += (a, b) => InvokeOnMainThread(() =>
{
_listView.ReloadData();
InvalidateIntrinsicContentSize();
SetNeedsUpdateConstraints();
UpdateConstraints();
});
_listView.ReloadData();
InvalidateIntrinsicContentSize();
SetNeedsUpdateConstraints();
UpdateConstraints();
Hidden = false;
}