/// <summary>${IS6_QueryByGeometryService_method_ProcessAsync_D}</summary>
/// <param name="parameters">${IS6_QueryByGeometryService_method_ProcessAsync_param_parameters}</param>
/// <param name="state">${IS6_QueryByGeometryService_method_ProcessAsync_param_state}</param>
public void ProcessAsync(QueryByGeometryParameters parameters, object state)
{
if (parameters == null)
{
//TODO:资源
//throw new ArgumentNullException("QueryByGeometryParameters is Null");
throw new ArgumentNullException(ExceptionStrings.ArgumentIsNull);
}
if (string.IsNullOrEmpty(this.Url))
{
//TODO:资源
//throw new InvalidOperationException("Url is not set");
throw new InvalidOperationException(ExceptionStrings.InvalidUrl);
}
base.SubmitRequest(base.Url + "/query.ashx?", GetParameters(parameters),
new EventHandler<RequestEventArgs>(request_Completed), state, false);
}
//服务器返回查询结果
private void DrawCompleted(object sender, DrawEventArgs e)
{
QueryLayer querylayer = new QueryLayer();
querylayer.LayerName = comboBox.SelectionBoxItem.ToString();
List<QueryLayer> queryLayers = new List<QueryLayer>() { querylayer };
QueryParam queryParam = new QueryParam()
{
ExpectCount = 0,
QueryLayers = queryLayers,
StartRecord = 0
};
QueryByGeometryParameters parameters = new QueryByGeometryParameters
{
Geometry = e.Geometry,
MapName = "changchun",
QueryParam = queryParam
};
QueryByGeometryService queryByGeometryService = new QueryByGeometryService("http://localhost/IS/AjaxDemo");
queryByGeometryService.ProcessAsync(parameters);
queryByGeometryService.Failed += new EventHandler<ServiceFailedEventArgs>(queryByGeometryService_Failed);
queryByGeometryService.ProcessCompleted += new EventHandler<QueryServiceEventArgs>(queryByGeometryService_ProcessCompleted);
featuresLayer.MouseLeftButtonDown +=new EventHandler<FeatureMouseButtonEventArgs>(featuresLayer_MouseLeftButtonDown);
}
private Dictionary<string, string> GetParameters(QueryByGeometryParameters parameters)
{
Dictionary<string, string> dictionary = new Dictionary<string, string>();
Point2DCollection gps = new Point2DCollection();
if (parameters.Geometry is GeoLine)
{
string method = "QueryByLine";
dictionary.Add("map", parameters.MapName);
dictionary.Add("method", method);
foreach (Point2DCollection g in (parameters.Geometry as GeoLine).Parts)
{
for (int i = 0; i < g.Count; i++)
{
gps.Add(g[i]);
}
}
}
else if (parameters.Geometry is GeoRegion)
{
string method = "QueryByPolygen";
dictionary.Add("map", parameters.MapName);
dictionary.Add("method", method);
foreach (Point2DCollection g in (parameters.Geometry as GeoRegion).Parts)
{
for (int i = 0; i < g.Count; i++)
{
gps.Add(g[i]);
}
}
}
else if (parameters.Geometry is GeoCircle)
{
string method = "QueryByPolygen";
dictionary.Add("map", parameters.MapName);
dictionary.Add("method", method);
foreach (Point2DCollection g in (parameters.Geometry as GeoCircle).Parts)
{
for (int i = 0; i < g.Count; i++)
{
gps.Add(g[i]);
}
}
}
else if (parameters.Geometry is GeoPoint)
{
string method = "QueryByPoint";
dictionary.Add("map", parameters.MapName);
dictionary.Add("method", method);
dictionary.Add("point", JsonHelper.FromPoint2D(((GeoPoint)parameters.Geometry).Bounds.Center));
dictionary.Add("tolerance", "0");
dictionary.Add("queryParam", QueryParam.ToJson(parameters.QueryParam));
dictionary.Add("trackingLayerIndex", "-1");
dictionary.Add("userID", string.Format("\"{0}\"", Guid.NewGuid()));
return dictionary;
}
dictionary.Add("points", JsonHelper.FromPoint2DCollection(gps));
dictionary.Add("queryParam", QueryParam.ToJson(parameters.QueryParam));
dictionary.Add("trackingLayerIndex", "-1");
dictionary.Add("userID", string.Format("\"{0}\"", Guid.NewGuid()));
return dictionary;
}
/// <summary>${IS6_QueryByGeometryService_method_ProcessAsync_D}</summary>
/// <overloads>${IS6_QueryByGeometryService_method_ProcessAsync_overloads_D}</overloads>
/// <param name="paramters">${IS6_QueryByGeometryService_method_ProcessAsync_param_parameters}</param>
public void ProcessAsync(QueryByGeometryParameters paramters)
{
ProcessAsync(paramters, null);
}