public CoordinateSystemCategory(CoordinateSystemCategory parent) : base(parent)
{
_children = new ObservableCollection <CoordinateSystemTreeNode>();
Children = CollectionViewSource.GetDefaultView(_children);
((ListCollectionView)Children).CustomSort = CoordinateSystemComparer.NonGeneric;
((ListCollectionView)Children).Filter = (o) => o is CoordinateSystemTreeNode node &&
(node.Parent == null || IsNoFilter(Filter) || node.Matches(Filter) || node.HasChildMatching(Filter));
}
private void AddCategory(string[] categories, CoordinateSystemListEntry coordinateSystem)
{
var category = Categories.FirstOrDefault(i => (string)i.Name == categories[0]);
if (category == null)
{
category = new CoordinateSystemCategory(this)
{
NodeObject = categories[0]
};
_children.Add(category);
}
category.Add(categories.Skip(1).ToArray(), coordinateSystem);
}
public async static Task <ICollectionView> Build(CoordinateSystemFilter filter)
{
var root = new CoordinateSystemCategory(null)
{
NodeObject = "root"
};
var coordinateSystems = await QueuedTask.Run(() =>
{
return(GeometryEngine.Instance.GetPredefinedCoordinateSystemList(filter));
});
foreach (var coordinateSystem in coordinateSystems)
{
root.Add(coordinateSystem.Category.Split('/'), coordinateSystem);
}
return(root.Children); // ignoring root node
}
public CoordinateSystemItem(CoordinateSystemCategory parent) : base(parent)
{
}