/// <summary>${iServer2_Query_QueryByCenterService_method_ProcessAsync_D}</summary>
/// <param name="parameters">${iServer2_Query_QueryByCenterService_method_ProcessAsync_param_parameters}</param>
/// <param name="state">${iServer2_Query_QueryByCenterService_method_ProcessAsync_param_state}</param>
public void ProcessAsync(QueryByCenterParameters parameters, object state)
{
if (parameters == null)
{
//TODO:资源
//throw new ArgumentNullException("QueryByCenterParameters");
throw new ArgumentNullException(ExceptionStrings.ArgumentIsNull);
}
if (parameters.CenterPoint.IsEmpty)
{
//TODO:资源
//throw new InvalidOperationException("CenterPoint is Empty");
throw new InvalidOperationException(ExceptionStrings.CenterPointIsEmpty);
}
if (string.IsNullOrEmpty(base.Url))
{
//TODO:资源
//throw new InvalidOperationException("Url is not set");
throw new InvalidOperationException(ExceptionStrings.InvalidUrl);
}
if (!base.Url.EndsWith("/"))
{
base.Url += '/';
}
base.SubmitRequest(base.Url + "commonhandler?", GetParameters(parameters),
new EventHandler<RequestEventArgs>(request_Completed), state, false);
}
private void point_DrawCompleted(object sender, DrawEventArgs e)
{
QueryByCenterParameters parameters = new QueryByCenterParameters
{
CenterPoint = e.Geometry.Bounds.Center,
Tolerance = 5,
MapName = "Changchun",
QueryParam = new QueryParam { QueryLayerParams = new List<QueryLayerParam>() { qlpVegetable } }
};
QueryByCenterService query = new QueryByCenterService("http://localhost:7080/demo");
query.ProcessAsync(parameters);
query.Failed += (s, args) => { MessageBox.Show(args.Error.ToString()); };
query.ProcessCompleted += new EventHandler<QueryEventArgs>(query_ProcessCompleted);
}
private void selectEntity_DrawCompleted(object sender, DrawEventArgs e)
{
//如果存在编辑过的地物，则不显示编辑过的地物
if (Editflag == true)
{
drawLayer.ClearFeatures();
dgVegetable.Visibility = Visibility.Collapsed;
Editflag = false;
}
//查询鼠标点击处地物
QueryByCenterParameters parameters = new QueryByCenterParameters
{
CenterPoint = e.Geometry.Bounds.Center,
Tolerance = 5,
MapName = "Changchun",
IsNearest = true,
QueryParam = new QueryParam { QueryLayerParams = new List<QueryLayerParam>() { qureyLayerParam } }
};
QueryByCenterService selectQuery = new QueryByCenterService("http://localhost:7080/demo");
selectQuery.ProcessAsync(parameters);
selectQuery.Failed += (s, args) => { MessageBox.Show(args.Error.ToString()); };
selectQuery.ProcessCompleted += new EventHandler<QueryEventArgs>(selectQuery_ProcessCompleted);
}
//中心点查询功能查询地物
private void queryEntity(SuperMap.Web.Core.Geometry entity)
{
QueryByCenterParameters parameters = new QueryByCenterParameters
{
CenterPoint = entity.Bounds.Center,
Tolerance = 5,
MapName = "Changchun",
IsNearest = true,
QueryParam = new QueryParam { QueryLayerParams = new List<QueryLayerParam>() { qureyLayerParam } }
};
QueryByCenterService query = new QueryByCenterService("http://localhost:7080/demo");
query.ProcessAsync(parameters);
query.Failed += (s, args) => { MessageBox.Show(args.Error.ToString()); };
query.ProcessCompleted += new EventHandler<QueryEventArgs>(query_ProcessCompleted);
}
private void residential_Click(object sender, RoutedEventArgs e)
{
DrawPoint point = new DrawPoint(MyMap);
MyMap.Action = point;
point.DrawCompleted += (s2, e2) =>
{
QueryByCenterParameters parameters = new QueryByCenterParameters
{
CenterPoint = e2.Geometry.Bounds.Center,
Tolerance = 5,
MapName = "Changchun",
QueryParam = new QueryParam { QueryLayerParams = new List<QueryLayerParam>() { qlpResidentialArea } }
};
QueryByCenterService query = new QueryByCenterService("http://localhost:7080/demo");
query.ProcessAsync(parameters);
query.Failed += (s, args) => { MessageBox.Show(args.Error.ToString()); };
query.ProcessCompleted += (s3, e3) =>
{
if (e3.ResultSet == null)
{
MessageBox.Show("No Result!");
return;
}
sgResidentialArea = e3.ResultSet.RecordSets[0].Records[0].Shape;
FeatureCollection fc = e3.ResultSet.RecordSets[0].ToFeatureSet();
Feature f = new Feature { Geometry = fc[0].Geometry, Style = this.RedFillStyle };
paramLayer.Features.Add(f);
};
};
}
/// <overloads>${iServer2_Query_QueryByCenterService_method_ProcessAsync_overloads_D}</overloads>
/// <summary>${iServer2_Query_QueryByCenterService_method_ProcessAsync_D}</summary>
/// <param name="parameters">${iServer2_Query_QueryByCenterService_method_ProcessAsync_param_parameters}</param>
public void ProcessAsync(QueryByCenterParameters parameters)
{
ProcessAsync(parameters, null);
}
private Dictionary<string, string> GetParameters(QueryByCenterParameters parameters)
{
Dictionary<string, string> dictionary = new Dictionary<string, string>();
string method = parameters.IsNearest ? "FindNearest" : "QueryByPoint";// queryByCircle
dictionary.Add("method", method);
dictionary.Add("mapName", parameters.MapName);
Dictionary<string, string> dict = new Dictionary<string, string>();
dict.Add("mapName", parameters.MapName);
dict.Add("queryParam", QueryParam.ToJson(parameters.QueryParam));
dict.Add("point", JsonHelper.FromPoint2D(parameters.CenterPoint));
dict.Add("tolerance", parameters.Tolerance.ToString());
dictionary.Add("params", Bridge.CreateParams(method, dict));
return dictionary;
}
//中心点查询
private void point_DrawCompleted(object sender, DrawEventArgs e)
{
List<QueryLayerParam> queryLayerParams = new List<QueryLayerParam>();
if (comboBox.SelectedIndex != 3)
{ //在一个图层中查询，获取要查询的图层名
QueryLayerParam queryLayerParam = new QueryLayerParam();
queryLayerParam.Name = comboBox.SelectionBoxItem.ToString();
//查询图层参数列表
queryLayerParams = new List<QueryLayerParam>() { queryLayerParam };
}
else
{
//在三个图层中查询，获取要查询的图层名
QueryLayerParam queryLayerParamPoint = new QueryLayerParam();
queryLayerParamPoint.Name = PointLayerName;
QueryLayerParam queryLayerParamLine = new QueryLayerParam();
queryLayerParamLine.Name = LineLayerName;
QueryLayerParam queryLayerParamPolygon = new QueryLayerParam();
queryLayerParamPolygon.Name = AreaLayerName;
//查询图层参数列表
queryLayerParams = new List<QueryLayerParam>()
{ queryLayerParamPoint,
queryLayerParamLine,
queryLayerParamPolygon
};
}
//将文本中读取的容限值转换为Double类型，如果值为0则将其设为100
double tolerance;
if (!double.TryParse(MyTextBox.Text, out tolerance))
{
tolerance = 100;
}
//设置中心点查询参数，其中四个属性都为必设属性
QueryByCenterParameters parameters = new QueryByCenterParameters
{
CenterPoint = e.Geometry.Bounds.Center,
Tolerance = tolerance,
MapName = "Changchun",
// ExceptCount属性小于等于0时表示返回全部查询结果
QueryParam = new QueryParam { QueryLayerParams = queryLayerParams, ExpectCount =1000 }
};
//是否查找最近地物
if (FindNearest.IsChecked == true)
{
parameters.IsNearest = true;
}
//与指定服务器交互
QueryByCenterService queryByCenterService = new QueryByCenterService("http://localhost:7080/demo");
queryByCenterService.ProcessAsync(parameters);
queryByCenterService.Failed += new System.EventHandler<ServiceFailedEventArgs>(queryByCenterService_Failed);
queryByCenterService.ProcessCompleted += new System.EventHandler<QueryEventArgs>(queryByCenterService_ProcessCompleted);
}