private async void getWFS_Click(object sender, RoutedEventArgs e)
{
try
{
featuresLayer.ClearFeatures();
GetWFSCapabilities getCapabilities = new GetWFSCapabilities(url);
List<WFSFeatureType> featureTypes = await getCapabilities.ProcessAsync();
if (featureTypes.Count > 9)
{
GetWFSDescribeFeatureType featureType = new GetWFSDescribeFeatureType(url);
var featureInfo=featureTypes.Where(c=>c.Title=="Capitals").FirstOrDefault();
featureType.TypeNames.Add(featureInfo.TypeName);
Dictionary<string, List<WFSFeatureDescription>> dicFeatureDesp = await featureType.ProcessAsync();
SuperMap.WinRT.Core.PredefinedMarkerStyle markerStyle = new PredefinedMarkerStyle() { Symbol = PredefinedMarkerStyle.MarkerSymbol.Star,Size=15};
foreach (var item in dicFeatureDesp)
{
if (item.Key == "http://www.supermap.com/World")
{
GetWFSFeature getWFSFeature = new GetWFSFeature(url)
{
MaxFeatures = 30,
FeatureNS = item.Key
};
WFSFeatureDescription typeCountries = new WFSFeatureDescription
{
TypeName = item.Value[0].TypeName,
SpatialProperty = item.Value[0].SpatialProperty,
};
typeCountries.Properties.Add(item.Value[0].Properties[0]);
typeCountries.Properties.Add(item.Value[0].Properties[1]);
getWFSFeature.FeatureDescriptions.Add(typeCountries);
GetWFSFeatureResult featureRes = await getWFSFeature.ProcessAsync();
foreach (var key in featureRes.FeaturePair)
{
featuresLayer.AddFeatureSet(key.Value, markerStyle);
foreach (Feature feature in key.Value)
{
feature.ToolTip = new TextBlock
{
Text = "坐标："+ "\n" + "X: " + feature.Attributes["SMX"] + "\n" + "Y: " + feature.Attributes["SMY"],
Foreground = new Windows.UI.Xaml.Media.SolidColorBrush(Colors.Black),
FontSize = 16
};
}
}
}
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
internal List<string> GetFullPropertyName(WFSFeatureDescription layer)
{
List<string> newList = new List<string>();
if (layer.Properties != null && layer.Properties.Count > 0)
{
//foreach (string item in layer.Properties)
//{
// newList.Add(layer.TypeName + "/" + item);
//}
////空间数据的属性
//newList.Add(layer.TypeName + "/" + layer.SpatialProperty);
foreach (string item in layer.Properties)
{
newList.Add(item);
}
//空间数据的属性
newList.Add(layer.SpatialProperty);
}
else
{
}
return newList;
}
private Dictionary<string, List<WFSFeatureDescription>> ParseImportResult(XDocument doc, string targetNS)
{
List<WFSFeatureDescription> types = new List<WFSFeatureDescription>();
Dictionary<string, List<WFSFeatureDescription>> typesDic = new Dictionary<string, List<WFSFeatureDescription>>();
string namesp = doc.Root.Name.NamespaceName;
foreach (var ele in doc.Root.Elements(XName.Get("element", namesp)))
{
string type = string.Empty;
string typeValue = string.Empty;
XAttribute eleNameAttribute = ele.Attribute("name");
XAttribute eleTypeAttribute = ele.Attribute("type");
if (eleNameAttribute == null || eleTypeAttribute == null)
{
continue;
}
if (this.TypeNames == null || (this.TypeNames != null && this.TypeNames.Count <= 0))
{
GetHeaderName(eleNameAttribute.Value, eleTypeAttribute.Value, out type, out typeValue);
nameDic.Add(type, typeValue);
}
else
{
foreach (var item in this.TypeNames)
{
if (!string.IsNullOrEmpty(eleNameAttribute.Value) && (eleNameAttribute.Value == GetSimpleName(item)))
{
nameDic.Add(item, eleTypeAttribute.Value);
}
}
}
}
IEnumerable<XElement> coplexTypes = doc.Root.Elements(XName.Get("complexType", namesp));
foreach (var type in coplexTypes)
{
WFSFeatureDescription typeObject = new WFSFeatureDescription();
foreach (var namepair in nameDic)
{
XAttribute typeNameAttribute = type.Attribute(XName.Get("name"));
if (typeNameAttribute != null && GetSimpleName(namepair.Value) == typeNameAttribute.Value)
{
typeObject.TypeName = namepair.Key;
}
}
if (string.IsNullOrEmpty(typeObject.TypeName))
{
continue;
}
foreach (var element in type.Descendants(XName.Get("element", namesp)))
{
XAttribute nameAttribute = element.Attribute(XName.Get("name"));
XAttribute typeAttribute = element.Attribute(XName.Get("type"));
if (nameAttribute != null)
{
if (typeAttribute != null && !string.IsNullOrEmpty(typeAttribute.Value) && typeAttribute.Value.Contains("gml:"))
{
typeObject.SpatialProperty = nameAttribute.Value;
}
else
{
typeObject.Properties.Add(nameAttribute.Value);
}
}
}
types.Add(typeObject);
}
typesDic.Add(targetNS, types);
return typesDic;
}
