public InspectResultsViewModel(MessageBus messageBus, GeospatialBox extent)
{
// create an isolated message bus
InnerMessageBus = new MessageBus();
InnerMessageBus.Subscribe <BuildSearchMessage>(async m =>
{
var query = new SearchQuery();
await messageBus.Publish(new BuildSearchMessage(query)); // get current global query
query.Viewport = extent;
var start = m.Query.Start;
m.Query.Apply(query);
m.Query.Start = start;
});
InnerMessageBus.Subscribe <EndSearchMessage>(m =>
{
_originalResults = _originalResults ?? m.Results;
NotifyPropertyChanged(nameof(Total));
});
// relay certain messages to outer bus so they can be resolved
InnerMessageBus.Subscribe <GetServerSettingsMessage>(m => messageBus.Publish(m));
FacetsViewModel = new SearchFacetsViewModel(InnerMessageBus);
ResultsViewModel = new SearchResultsViewModel(InnerMessageBus);
DocumentViewModel = new DocumentViewModel(InnerMessageBus);
}
public bool TryGetValueExtent(MapPoint point, out GeospatialBox extent, out Envelope elementHitbox)
{
// TODO: is there a better way to wrap around a point?
var xOffset = 0.000004;
var yOffset = 0.000008;
foreach (var elem in _elements)
{
if (GeometryEngine.Instance.Contains(elem.Hitbox, point))
{
extent = new GeospatialBox()
{
West = elem.Location.X - xOffset,
South = elem.Location.Y - yOffset,
East = elem.Location.X + xOffset,
North = elem.Location.Y + yOffset
};
elementHitbox = elem.Hitbox;
return(true);
}
}
extent = null;
elementHitbox = null;
return(false);
}
public bool TryGetValueExtent(MapPoint point, out GeospatialBox extent, out Envelope elementHitbox)
{
foreach (var elem in _elements)
{
if (GeometryEngine.Instance.Contains(elem.Hitbox, point))
{
extent = new GeospatialBox()
{
West = elem.Value.West, South = elem.Value.South, East = elem.Value.East, North = elem.Value.North
};
elementHitbox = elem.Hitbox;
return(true);
}
}
extent = null;
elementHitbox = null;
return(false);
}
