public ArcGISLocatorPlaceSearchProvider(Map map) : base()
{
if (map == null)
throw new ArgumentException();
_map = map;
_spatialRefWKID = _map.SpatialReference.WKID;
// Determine map units
_map.GetMapUnitsAsync(OnGetMapUnitsCompleted, OnGetMapUnitsFailed);
// Hook to property changed to detect a change in map units
_map.PropertyChanged += Map_PropertyChanged;
// Initialize commands
updateLocatorInfo = new DelegateCommand(doUpdateLocatorInfo, canUpdateLocatorInfo);
// Initialize views
ResultsView = new ArcGISLocatorResultsView();
InputView = new SingleLineSearchInputView();
_widthUnits = Utils.GetEnumDescriptions<LengthUnits>();
if (_widthUnits.ContainsKey(LengthUnits.UnitsDecimalDegrees))
_widthUnits.Remove(LengthUnits.UnitsDecimalDegrees);
Results = _results;
PagedResults = new PagedCollectionView(Results) { PageSize = _pageSize };
ExtentFields = new ExtentFields();
// Initialize geometry service and proxy URL with values from application environment if available
if (MapApplication.Current != null)
{
// Bind the geometry service's URL to the environment's by default
Binding b = new Binding("GeometryServiceUrl") { Source = MapApplication.Current.Urls };
BindingOperations.SetBinding(this, GeometryServiceUrlProperty, b);
}
// Initialize display name
Properties.SetDisplayName(this, this.GetDisplayNameFromAttribute());
// Listen for changes to the proxy URL
Properties.NotifyOnDependencyPropertyChanged("ProxyUrl", this, OnProxyUrlChanged);
}
